Major re-write of Firmware Upgrade

Usability plus, new features:
- 3DR Radio support
- APM Stack support

QGCApplication.pro

@@ -591,8 +591,10 @@ HEADERS+= \
 !MobileBuild {
 HEADERS += \
     src/VehicleSetup/FirmwareUpgradeController.h \
-    src/VehicleSetup/PX4Bootloader.h \
-    src/VehicleSetup/PX4FirmwareUpgradeThread.h
+    src/VehicleSetup/Bootloader.h \
+    src/VehicleSetup/PX4FirmwareUpgradeThread.h \
+    src/VehicleSetup/FirmwareImage.h \
+
 }
 
 SOURCES += \
@@ -621,8 +623,10 @@ SOURCES += \
 !MobileBuild {
 SOURCES += \
     src/VehicleSetup/FirmwareUpgradeController.cc \
-    src/VehicleSetup/PX4Bootloader.cc \
-    src/VehicleSetup/PX4FirmwareUpgradeThread.cc
+    src/VehicleSetup/Bootloader.cc \
+    src/VehicleSetup/PX4FirmwareUpgradeThread.cc \
+    src/VehicleSetup/FirmwareImage.cc \
+
 }
 
 # Fact System code

qgroundcontrol.qrc

@@ -201,6 +201,12 @@
         <file alias="QGroundControlConnect">resources/QGroundControlConnect.svg</file>
     </qresource>
 
+    <qresource prefix="/res/firmware">
+        <file alias="px4.png">resources/firmware/px4.png</file>
+        <file alias="apm.png">resources/firmware/apm.png</file>
+        <file alias="3drradio.png">resources/firmware/3drradio.png</file>
+    </qresource>
+
     <qresource prefix="/res/mavs">
         <file alias="Helicopter">resources/mavs/helicopter.svg</file>
         <file alias="Unknown">resources/mavs/unknown.svg</file>

src/QGCLoggingCategory.cc

@@ -27,7 +27,7 @@
 #include "QGCLoggingCategory.h"
 
 // Add Global logging categories (not class specific) here using QGC_LOGGING_CATEGORY
-    // There currently are no global categories
+QGC_LOGGING_CATEGORY(FirmwareUpgradeLog, "FirmwareUpgradeLog")
 
 QGCLoggingCategoryRegister* _instance = NULL;
 

src/QGCLoggingCategory.h

@@ -31,7 +31,7 @@
 #include <QStringList>
 
 // Add Global logging categories (not class specific) here using Q_DECLARE_LOGGING_CATEGORY
-    // There currently are no global categories
+Q_DECLARE_LOGGING_CATEGORY(FirmwareUpgradeLog)
 
 /// @def QGC_LOGGING_CATEGORY
 /// This is a QGC specific replacement for Q_LOGGING_CATEGORY. It will register the category name into a

src/VehicleSetup/PX4Bootloader.cc → src/VehicleSetup/Bootloader.cc

@@ -25,7 +25,8 @@
 ///     @brief PX4 Bootloader Utility routines
 ///     @author Don Gagne <don@thegagnes.com>
 
-#include "PX4Bootloader.h"
+#include "Bootloader.h"
+#include "QGCLoggingCategory.h"
 
 #include <QFile>
 #include <QSerialPortInfo>
@@ -78,13 +79,13 @@ static quint32 crc32(const uint8_t *src, unsigned len, unsigned state)
     return state;
 }
 
-PX4Bootloader::PX4Bootloader(QObject *parent) :
+Bootloader::Bootloader(QObject *parent) :
     QObject(parent)
 {
 
 }
 
-bool PX4Bootloader::write(QextSerialPort* port, const uint8_t* data, qint64 maxSize)
+bool Bootloader::_write(QextSerialPort* port, const uint8_t* data, qint64 maxSize)
 {
     qint64 bytesWritten = port->write((const char*)data, maxSize);
     if (bytesWritten == -1) {
@@ -101,13 +102,13 @@ bool PX4Bootloader::write(QextSerialPort* port, const uint8_t* data, qint64 maxS
     return true;
 }
 
-bool PX4Bootloader::write(QextSerialPort* port, const uint8_t byte)
+bool Bootloader::_write(QextSerialPort* port, const uint8_t byte)
 {
     uint8_t buf[1] = { byte };
-    return write(port, buf, 1);
+    return _write(port, buf, 1);
 }
 
-bool PX4Bootloader::read(QextSerialPort* port, uint8_t* data, qint64 maxSize, int readTimeout)
+bool Bootloader::_read(QextSerialPort* port, uint8_t* data, qint64 maxSize, int readTimeout)
 {
     qint64 bytesAlreadyRead = 0;
     
@@ -137,11 +138,13 @@ bool PX4Bootloader::read(QextSerialPort* port, uint8_t* data, qint64 maxSize, in
     return true;
 }
 
-bool PX4Bootloader::getCommandResponse(QextSerialPort* port, int responseTimeout)
+/// Read a PROTO_SYNC command response from the bootloader
+///     @param responseTimeout Msecs to wait for response bytes to become available on port
+bool Bootloader::_getCommandResponse(QextSerialPort* port, int responseTimeout)
 {
     uint8_t response[2];
     
-    if (!read(port, response, 2, responseTimeout)) {
+    if (!_read(port, response, 2, responseTimeout)) {
         _errorString.prepend("Get Command Response: ");
         return false;
     }
@@ -164,18 +167,21 @@ bool PX4Bootloader::getCommandResponse(QextSerialPort* port, int responseTimeout
     return true;
 }
 
-bool PX4Bootloader::getBoardInfo(QextSerialPort* port, uint8_t param, uint32_t& value)
+/// Send a PROTO_GET_DEVICE command to retrieve a value from the PX4 bootloader
+///     @param param Value to retrieve using INFO_BOARD_* enums
+///     @param value Returned value
+bool Bootloader::_getPX4BoardInfo(QextSerialPort* port, uint8_t param, uint32_t& value)
 {
     uint8_t buf[3] = { PROTO_GET_DEVICE, param, PROTO_EOC };
     
-    if (!write(port, buf, sizeof(buf))) {
+    if (!_write(port, buf, sizeof(buf))) {
         goto Error;
     }
     port->flush();
-    if (!read(port, (uint8_t*)&value, sizeof(value))) {
+    if (!_read(port, (uint8_t*)&value, sizeof(value))) {
         goto Error;
     }
-    if (!getCommandResponse(port)) {
+    if (!_getCommandResponse(port)) {
         goto Error;
     }
     
@@ -186,15 +192,18 @@ Error:
     return false;
 }
 
-bool PX4Bootloader::sendCommand(QextSerialPort* port, const uint8_t cmd, int responseTimeout)
+/// Send a command to the bootloader
+///     @param cmd Command to send using PROTO_* enums
+/// @return true: Command sent and valid sync response returned
+bool Bootloader::_sendCommand(QextSerialPort* port, const uint8_t cmd, int responseTimeout)
 {
     uint8_t buf[2] = { cmd, PROTO_EOC };
     
-    if (!write(port, buf, 2)) {
+    if (!_write(port, buf, 2)) {
         goto Error;
     }
     port->flush();
-    if (!getCommandResponse(port, responseTimeout)) {
+    if (!_getCommandResponse(port, responseTimeout)) {
         goto Error;
     }
     
@@ -205,10 +214,10 @@ Error:
     return false;
 }
 
-bool PX4Bootloader::erase(QextSerialPort* port)
+bool Bootloader::erase(QextSerialPort* port)
 {
     // Erase is slow, need larger timeout
-    if (!sendCommand(port, PROTO_CHIP_ERASE, _eraseTimeout)) {
+    if (!_sendCommand(port, PROTO_CHIP_ERASE, _eraseTimeout)) {
         _errorString = tr("Board erase failed: %1").arg(_errorString);
         return false;
     }
@@ -216,11 +225,20 @@ bool PX4Bootloader::erase(QextSerialPort* port)
     return true;
 }
 
-bool PX4Bootloader::program(QextSerialPort* port, const QString& firmwareFilename)
+bool Bootloader::program(QextSerialPort* port, const FirmwareImage* image)
 {
-    QFile firmwareFile(firmwareFilename);
+    if (image->imageIsBinFormat()) {
+        return _binProgram(port, image);
+    } else {
+        return _ihxProgram(port, image);
+    }
+}
+
+bool Bootloader::_binProgram(QextSerialPort* port, const FirmwareImage* image)
+{
+    QFile firmwareFile(image->binFilename());
     if (!firmwareFile.open(QIODevice::ReadOnly)) {
-        _errorString = tr("Unable to open firmware file %1: %2").arg(firmwareFilename).arg(firmwareFile.errorString());
+        _errorString = tr("Unable to open firmware file %1: %2").arg(image->binFilename()).arg(firmwareFile.errorString());
         return false;
     }
     uint32_t imageSize = (uint32_t)firmwareFile.size();
@@ -248,12 +266,12 @@ bool PX4Bootloader::program(QextSerialPort* port, const QString& firmwareFilenam
         Q_ASSERT(bytesToSend <= 0x8F);
         
         bool failed = true;
-        if (write(port, PROTO_PROG_MULTI)) {
-            if (write(port, (uint8_t)bytesToSend)) {
-                if (write(port, imageBuf, bytesToSend)) {
-                    if (write(port, PROTO_EOC)) {
+        if (_write(port, PROTO_PROG_MULTI)) {
+            if (_write(port, (uint8_t)bytesToSend)) {
+                if (_write(port, imageBuf, bytesToSend)) {
+                    if (_write(port, PROTO_EOC)) {
                         port->flush();
-                        if (getCommandResponse(port)) {
+                        if (_getCommandResponse(port)) {
                             failed = false;
                         }
                     }
@@ -270,7 +288,7 @@ bool PX4Bootloader::program(QextSerialPort* port, const QString& firmwareFilenam
         // Calculate the CRC now so we can test it after the board is flashed.
         _imageCRC = crc32((uint8_t *)imageBuf, bytesToSend, _imageCRC);
         
-        emit updateProgramProgress(bytesSent, imageSize);
+        emit updateProgress(bytesSent, imageSize);
     }
     firmwareFile.close();
     
@@ -284,46 +302,131 @@ bool PX4Bootloader::program(QextSerialPort* port, const QString& firmwareFilenam
     return true;
 }
 
-bool PX4Bootloader::verify(QextSerialPort* port, const QString firmwareFilename)
+bool Bootloader::_ihxProgram(QextSerialPort* port, const FirmwareImage* image)
+{
+    uint32_t imageSize = image->imageSize();
+    uint32_t bytesSent = 0;
+
+    for (uint16_t index=0; index<image->ihxBlockCount(); index++) {
+        bool        failed;
+        uint16_t    flashAddress;
+        QByteArray  bytes;
+        
+        if (!image->ihxGetBlock(index, flashAddress, bytes)) {
+            _errorString = QString("Unable to retrieve block from ihx: index %1").arg(index);
+            return false;
+        }
+        
+        qCDebug(FirmwareUpgradeLog) << QString("Bootloader::_ihxProgram - address:%1 size:%2 block:%3").arg(flashAddress).arg(bytes.count()).arg(index);
+        
+        // Set flash address
+        
+        failed = true;
+        if (_write(port, PROTO_LOAD_ADDRESS) &&
+                _write(port, flashAddress & 0xFF) &&
+                _write(port, (flashAddress >> 8) & 0xFF) &&
+                _write(port, PROTO_EOC)) {
+            port->flush();
+            if (_getCommandResponse(port)) {
+                failed = false;
+            }
+        }
+        
+        if (failed) {
+            _errorString = QString("Unable to set flash start address: 0x%2").arg(flashAddress, 8, 16, QLatin1Char('0'));
+            return false;
+        }
+        
+        // Flash
+        
+        int bytesIndex = 0;
+        uint16_t bytesLeftToWrite = bytes.count();
+        
+        while (bytesLeftToWrite > 0) {
+            uint8_t bytesToWrite;
+        
+            if (bytesLeftToWrite > PROG_MULTI_MAX) {
+                bytesToWrite = PROG_MULTI_MAX;
+            } else {
+                bytesToWrite = bytesLeftToWrite;
+            }
+        
+            failed = true;
+            if (_write(port, PROTO_PROG_MULTI) &&
+                    _write(port, bytesToWrite) &&
+                    _write(port, &((uint8_t *)bytes.data())[bytesIndex], bytesToWrite) &&
+                    _write(port, PROTO_EOC)) {
+                port->flush();
+                if (_getCommandResponse(port)) {
+                    failed = false;
+                }
+            }
+            if (failed) {
+                _errorString = QString("Flash failed: %1 at address 0x%2").arg(_errorString).arg(flashAddress, 8, 16, QLatin1Char('0'));
+                return false;
+            }
+            
+            bytesIndex += bytesToWrite;
+            bytesLeftToWrite -= bytesToWrite;
+            bytesSent += bytesToWrite;
+            
+            emit updateProgress(bytesSent, imageSize);
+        }
+    }
+    
+    return true;
+}
+
+bool Bootloader::verify(QextSerialPort* port, const FirmwareImage* image)
 {
     bool ret;
     
-    if (_bootloaderVersion <= 2) {
-        ret = _bootloaderVerifyRev2(port, firmwareFilename);
+    if (!image->imageIsBinFormat() || _bootloaderVersion <= 2) {
+        ret = _verifyBytes(port, image);
     } else {
-        ret = _bootloaderVerifyRev3(port);
+        ret = _verifyCRC(port);
     }
     
-    sendBootloaderReboot(port);
+    reboot(port);
     
     return ret;
 }
 
-/// @brief Verify the flash on bootloader version 2 by reading it back and comparing it against
-/// the original firmware file.
-bool PX4Bootloader::_bootloaderVerifyRev2(QextSerialPort* port, const QString firmwareFilename)
+/// @brief Verify the flash on bootloader eading it back and comparing it against the original image->
+bool Bootloader::_verifyBytes(QextSerialPort* port, const FirmwareImage* image)
 {
-    QFile firmwareFile(firmwareFilename);
+    if (image->imageIsBinFormat()) {
+        return _binVerifyBytes(port, image);
+    } else {
+        return _ihxVerifyBytes(port, image);
+    }
+}
+
+bool Bootloader::_binVerifyBytes(QextSerialPort* port, const FirmwareImage* image)
+{
+    Q_ASSERT(image->imageIsBinFormat());
+    
+    QFile firmwareFile(image->binFilename());
     if (!firmwareFile.open(QIODevice::ReadOnly)) {
-        _errorString = tr("Unable to open firmware file %1: %2").arg(firmwareFilename).arg(firmwareFile.errorString());
+        _errorString = tr("Unable to open firmware file %1: %2").arg(image->binFilename()).arg(firmwareFile.errorString());
         return false;
     }
     uint32_t imageSize = (uint32_t)firmwareFile.size();
     
-    if (!sendCommand(port, PROTO_CHIP_VERIFY)) {
+    if (!_sendCommand(port, PROTO_CHIP_VERIFY)) {
         return false;
     }
     
     uint8_t fileBuf[READ_MULTI_MAX];
-    uint8_t flashBuf[READ_MULTI_MAX];
+    uint8_t readBuf[READ_MULTI_MAX];
     uint32_t bytesVerified = 0;
     
     Q_ASSERT(PROG_MULTI_MAX <= 0x8F);
     
     while (bytesVerified < imageSize) {
         int bytesToRead = imageSize - bytesVerified;
-        if (bytesToRead > (int)sizeof(fileBuf)) {
-            bytesToRead = (int)sizeof(fileBuf);
+        if (bytesToRead > (int)sizeof(readBuf)) {
+            bytesToRead = (int)sizeof(readBuf);
         }
         
         Q_ASSERT((bytesToRead % 4) == 0);
@@ -337,48 +440,137 @@ bool PX4Bootloader::_bootloaderVerifyRev2(QextSerialPort* port, const QString fi
         Q_ASSERT(bytesToRead <= 0x8F);
         
         bool failed = true;
-        if (write(port, PROTO_READ_MULTI)) {
-            if (write(port, (uint8_t)bytesToRead)) {
-                if (write(port, PROTO_EOC)) {
-                    port->flush();
-                    if (read(port, flashBuf, sizeof(flashBuf))) {
-                        if (getCommandResponse(port)) {
-                            failed = false;
-                        }
-                    }
+        if (_write(port, PROTO_READ_MULTI) &&
+            _write(port, (uint8_t)bytesToRead) &&
+            _write(port, PROTO_EOC)) {
+            port->flush();
+            if (_read(port, readBuf, sizeof(readBuf))) {
+                if (_getCommandResponse(port)) {
+                    failed = false;
                 }
             }
         }
         if (failed) {
-            _errorString = tr("Verify failed: %1 at address: 0x%2").arg(_errorString).arg(bytesVerified, 8, 16, QLatin1Char('0'));
+            _errorString = tr("Read failed: %1 at address: 0x%2").arg(_errorString).arg(bytesVerified, 8, 16, QLatin1Char('0'));
             return false;
         }
 
         for (int i=0; i<bytesToRead; i++) {
-            if (fileBuf[i] != flashBuf[i]) {
-                _errorString = tr("Compare failed at %1: file(0x%2) flash(0x%3) at address: 0x%4").arg(bytesVerified + i).arg(fileBuf[i], 2, 16, QLatin1Char('0')).arg(flashBuf[i], 2, 16, QLatin1Char('0')).arg(bytesVerified, 8, 16, QLatin1Char('0'));
+            if (fileBuf[i] != readBuf[i]) {
+                _errorString = tr("Compare failed: expected(0x%1) actual(0x%2) at address: 0x%3").arg(fileBuf[i], 2, 16, QLatin1Char('0')).arg(readBuf[i], 2, 16, QLatin1Char('0')).arg(bytesVerified + i, 8, 16, QLatin1Char('0'));
                 return false;
             }
         }
         
         bytesVerified += bytesToRead;
+        
+        emit updateProgress(bytesVerified, imageSize);
     }
+    
     firmwareFile.close();
     
     return true;
 }
 
-/// @Brief Verify the flash on a version 3 or higher bootloader board by comparing CRCs.
-bool PX4Bootloader::_bootloaderVerifyRev3(QextSerialPort* port)
+bool Bootloader::_ihxVerifyBytes(QextSerialPort* port, const FirmwareImage* image)
+{
+    Q_ASSERT(!image->imageIsBinFormat());
+    
+    uint32_t imageSize = image->imageSize();
+    uint32_t bytesVerified = 0;
+    
+    for (uint16_t index=0; index<image->ihxBlockCount(); index++) {
+        bool        failed;
+        uint16_t    readAddress;
+        QByteArray  imageBytes;
+        
+        if (!image->ihxGetBlock(index, readAddress, imageBytes)) {
+            _errorString = QString("Unable to retrieve block from ihx: index %1").arg(index);
+            return false;
+        }
+        
+        qCDebug(FirmwareUpgradeLog) << QString("Bootloader::_ihxVerifyBytes - address:%1 size:%2 block:%3").arg(readAddress).arg(imageBytes.count()).arg(index);
+        
+        // Set read address
+        
+        failed = true;
+        if (_write(port, PROTO_LOAD_ADDRESS) &&
+            _write(port, readAddress & 0xFF) &&
+            _write(port, (readAddress >> 8) & 0xFF) &&
+            _write(port, PROTO_EOC)) {
+            port->flush();
+            if (_getCommandResponse(port)) {
+                failed = false;
+            }
+        }
+        
+        if (failed) {
+            _errorString = QString("Unable to set read start address: 0x%2").arg(readAddress, 8, 16, QLatin1Char('0'));
+            return false;
+        }
+        
+        // Read back
+        
+        int         bytesIndex = 0;
+        uint16_t    bytesLeftToRead = imageBytes.count();
+        
+        while (bytesLeftToRead > 0) {
+            uint8_t bytesToRead;
+            uint8_t readBuf[READ_MULTI_MAX];
+            
+            if (bytesLeftToRead > READ_MULTI_MAX) {
+                bytesToRead = READ_MULTI_MAX;
+            } else {
+                bytesToRead = bytesLeftToRead;
+            }
+            
+            failed = true;
+            if (_write(port, PROTO_READ_MULTI) &&
+                _write(port, bytesToRead) &&
+                _write(port, PROTO_EOC)) {
+                port->flush();
+                if (_read(port, readBuf, bytesToRead)) {
+                    if (_getCommandResponse(port)) {
+                        failed = false;
+                    }
+                }
+            }
+            if (failed) {
+                _errorString = tr("Read failed: %1 at address: 0x%2").arg(_errorString).arg(readAddress, 8, 16, QLatin1Char('0'));
+                return false;
+            }
+            
+            // Compare
+            
+            for (int i=0; i<bytesToRead; i++) {
+                if ((uint8_t)imageBytes[bytesIndex + i] != readBuf[i]) {
+                    _errorString = QString("Compare failed: expected(0x%1) actual(0x%2) at address: 0x%3").arg(imageBytes[bytesIndex + i], 2, 16, QLatin1Char('0')).arg(readBuf[i], 2, 16, QLatin1Char('0')).arg(readAddress + i, 8, 16, QLatin1Char('0'));
+                    return false;
+                }
+            }
+            
+            bytesVerified += bytesToRead;
+            bytesIndex += bytesToRead;
+            bytesLeftToRead -= bytesToRead;
+            
+            emit updateProgress(bytesVerified, imageSize);
+        }
+    }
+    
+    return true;
+}
+
+/// @Brief Verify the flash by comparing CRCs.
+bool Bootloader::_verifyCRC(QextSerialPort* port)
 {
     uint8_t buf[2] = { PROTO_GET_CRC, PROTO_EOC };
     quint32 flashCRC;
     
     bool failed = true;
-    if (write(port, buf, 2)) {
+    if (_write(port, buf, 2)) {
         port->flush();
-        if (read(port, (uint8_t*)&flashCRC, sizeof(flashCRC), _verifyTimeout)) {
-            if (getCommandResponse(port)) {
+        if (_read(port, (uint8_t*)&flashCRC, sizeof(flashCRC), _verifyTimeout)) {
+            if (_getCommandResponse(port)) {
                 failed = false;
             }
         }
@@ -395,7 +587,7 @@ bool PX4Bootloader::_bootloaderVerifyRev3(QextSerialPort* port)
     return true;
 }
 
-bool PX4Bootloader::open(QextSerialPort* port, const QString portName)
+bool Bootloader::open(QextSerialPort* port, const QString portName)
 {
     Q_ASSERT(!port->isOpen());
     
@@ -414,10 +606,10 @@ bool PX4Bootloader::open(QextSerialPort* port, const QString portName)
     return true;
 }
 
-bool PX4Bootloader::sync(QextSerialPort* port)
+bool Bootloader::sync(QextSerialPort* port)
 {
     // Send sync command
-    if (sendCommand(port, PROTO_GET_SYNC)) {
+    if (_sendCommand(port, PROTO_GET_SYNC)) {
         return true;
     } else {
         _errorString.prepend("Sync: ");
@@ -425,10 +617,10 @@ bool PX4Bootloader::sync(QextSerialPort* port)
     }
 }
 
-bool PX4Bootloader::getBoardInfo(QextSerialPort* port, uint32_t& bootloaderVersion, uint32_t& boardID, uint32_t& flashSize)
+bool Bootloader::getPX4BoardInfo(QextSerialPort* port, uint32_t& bootloaderVersion, uint32_t& boardID, uint32_t& flashSize)
 {
     
-    if (!getBoardInfo(port, INFO_BL_REV, _bootloaderVersion)) {
+    if (!_getPX4BoardInfo(port, INFO_BL_REV, _bootloaderVersion)) {
         goto Error;
     }
     if (_bootloaderVersion < BL_REV_MIN || _bootloaderVersion > BL_REV_MAX) {
@@ -436,11 +628,11 @@ bool PX4Bootloader::getBoardInfo(QextSerialPort* port, uint32_t& bootloaderVersi
         goto Error;
     }
     
-    if (!getBoardInfo(port, INFO_BOARD_ID, _boardID)) {
+    if (!_getPX4BoardInfo(port, INFO_BOARD_ID, _boardID)) {
         goto Error;
     }
     
-    if (!getBoardInfo(port, INFO_FLASH_SIZE, _boardFlashSize)) {
+    if (!_getPX4BoardInfo(port, INFO_FLASH_SIZE, _boardFlashSize)) {
         qWarning() << _errorString;
         goto Error;
     }
@@ -456,7 +648,35 @@ Error:
     return false;
 }
 
-bool PX4Bootloader::sendBootloaderReboot(QextSerialPort* port)
+bool Bootloader::get3DRRadioBoardId(QextSerialPort* port, uint32_t& boardID)
+{
+    uint8_t buf[2] = { PROTO_GET_DEVICE, PROTO_EOC };
+    
+    if (!_write(port, buf, sizeof(buf))) {
+        goto Error;
+    }
+    port->flush();
+    
+    if (!_read(port, (uint8_t*)buf, 2)) {
+        goto Error;
+    }
+    if (!_getCommandResponse(port)) {
+        goto Error;
+    }
+    
+    boardID = buf[0];
+    
+    _bootloaderVersion = 0;
+    _boardFlashSize = 0;
+    
+    return true;
+    
+Error:
+    _errorString.prepend("Get Board Id: ");
+    return false;
+}
+
+bool Bootloader::reboot(QextSerialPort* port)
 {
-    return write(port, PROTO_BOOT) && write(port, PROTO_EOC);
+    return _write(port, PROTO_BOOT) && _write(port, PROTO_EOC);
 }

src/VehicleSetup/PX4Bootloader.h → src/VehicleSetup/Bootloader.h

@@ -22,126 +22,121 @@
  ======================================================================*/
 
 /// @file
-///     @brief PX4 Bootloader Utility routines
 ///     @author Don Gagne <don@thegagnes.com>
 
-#ifndef PX4Bootloader_H
-#define PX4Bootloader_H
+#ifndef Bootloader_H
+#define Bootloader_H
+
+#include "FirmwareImage.h"
 
 #include "qextserialport.h"
 
 #include <stdint.h>
 
-/// @brief This class is used to communicate with the Bootloader.
-class PX4Bootloader : public QObject
+/// Bootloader Utility routines. Works with PX4 bootloader and 3DR Radio bootloader.
+class Bootloader : public QObject
 {
     Q_OBJECT
     
 public:
-    explicit PX4Bootloader(QObject *parent = 0);
+    explicit Bootloader(QObject *parent = 0);
     
     /// @brief Returns the error message associated with the last failed call to one of the bootloader
     ///         utility routine below.
     QString errorString(void) { return _errorString; }
     
-    /// @brief Write a byte to the port
-    ///     @param port Port to write to
-    ///     @param data Bytes to write
-    ///     @param maxSize Number of bytes to write
-    /// @return true: success
-    bool write(QextSerialPort* port, const uint8_t* data, qint64 maxSize);
-    bool write(QextSerialPort* port, const uint8_t byte);
-    
-    /// @brief Read a set of bytes from the port
-    ///     @param data Read bytes into this buffer
-    ///     @param maxSize Number of bytes to read
-    ///     @param readTimeout Msecs to wait for bytes to become available on port
-    bool read(QextSerialPort* port, uint8_t* data, qint64 maxSize, int readTimeout = _readTimout);
-    
-    /// @brief Read a PROTO_SYNC command response from the bootloader
-    ///     @param responseTimeout Msecs to wait for response bytes to become available on port
-    bool getCommandResponse(QextSerialPort* port, const int responseTimeout = _responseTimeout);
-    
-    /// @brief Send a PROTO_GET_DEVICE command to retrieve a value from the bootloader
-    ///     @param param Value to retrieve using INFO_BOARD_* enums
-    ///     @param value Returned value
-    bool getBoardInfo(QextSerialPort* port, uint8_t param, uint32_t& value);
-    
-    /// @brief Send a command to the bootloader
-    ///     @param cmd Command to send using PROTO_* enums
-    /// @return true: Command sent and valid sync response returned
-    bool sendCommand(QextSerialPort* port, uint8_t cmd, int responseTimeout = _responseTimeout);
-    
-    /// @brief Program the board with the specified firmware
-    bool program(QextSerialPort* port, const QString& firmwareFilename);
-    
-    /// @brief Verify the board flash. How it works depend on bootloader rev
-    ///         Rev 2: Read the flash back and compare it against the firmware file
-    ///         Rev 3: Compare CRCs for flash and file
-    bool verify(QextSerialPort* port, const QString firmwareFilename);
+    /// @brief Opens a port to the bootloader
+    bool open(QextSerialPort* port, const QString portName);
     
     /// @brief Read a PROTO_SYNC response from the bootloader
     /// @return true: Valid sync response was received
     bool sync(QextSerialPort* port);
     
-    /// @brief Retrieve a set of board info from the bootloader
+    /// @brief Erases the current program
+    bool erase(QextSerialPort* port);
+    
+    /// @brief Program the board with the specified image
+    bool program(QextSerialPort* port, const FirmwareImage* image);
+    
+    /// @brief Verify the board flash.
+    bool verify(QextSerialPort* port, const FirmwareImage* image);
+    
+    /// @brief Retrieve a set of board info from the bootloader of PX4 FMU and PX4 Flow boards
     ///     @param bootloaderVersion Returned INFO_BL_REV
     ///     @param boardID Returned INFO_BOARD_ID
     ///     @param flashSize Returned INFO_FLASH_SIZE
-    bool getBoardInfo(QextSerialPort* port, uint32_t& bootloaderVersion, uint32_t& boardID, uint32_t& flashSize);
+    bool getPX4BoardInfo(QextSerialPort* port, uint32_t& bootloaderVersion, uint32_t& boardID, uint32_t& flashSize);
     
-    /// @brief Opens a port to the bootloader
-    bool open(QextSerialPort* port, const QString portName);
+    /// @brief Retrieve the board id from a 3DR Radio
+    bool get3DRRadioBoardId(QextSerialPort* port, uint32_t& boardID);
     
     /// @brief Sends a PROTO_REBOOT command to the bootloader
-    bool sendBootloaderReboot(QextSerialPort* port);
+    bool reboot(QextSerialPort* port);
     
-    /// @brief Sends a PROTO_ERASE command to the bootlader
-    bool erase(QextSerialPort* port);
+    // Supported bootloader board ids
+    static const int boardIDPX4FMUV1 = 5;   ///< PX4 V1 board
+    static const int boardIDPX4FMUV2 = 9;   ///< PX4 V2 board
+    static const int boardIDPX4Flow = 6;    ///< PX4 Flow board
+    static const int boardIDAeroCore = 98;  ///< Gumstix AeroCore board
+    static const int boardID3DRRadio = 78;  ///< 3DR Radio
     
 signals:
     /// @brief Signals progress indicator for long running bootloader utility routines
-    void updateProgramProgress(int curr, int total);
+    void updateProgress(int curr, int total);
     
 private:
+    bool _binProgram(QextSerialPort* port, const FirmwareImage* image);
+    bool _ihxProgram(QextSerialPort* port, const FirmwareImage* image);
+    
+    bool _write(QextSerialPort* port, const uint8_t* data, qint64 maxSize);
+    bool _write(QextSerialPort* port, const uint8_t byte);
+    
+    bool _read(QextSerialPort* port, uint8_t* data, qint64 maxSize, int readTimeout = _readTimout);
+    
+    bool _sendCommand(QextSerialPort* port, uint8_t cmd, int responseTimeout = _responseTimeout);
+    bool _getCommandResponse(QextSerialPort* port, const int responseTimeout = _responseTimeout);
+    
+    bool _getPX4BoardInfo(QextSerialPort* port, uint8_t param, uint32_t& value);
+    
+    bool _verifyBytes(QextSerialPort* port, const FirmwareImage* image);
+    bool _binVerifyBytes(QextSerialPort* port, const FirmwareImage* image);
+    bool _ihxVerifyBytes(QextSerialPort* port, const FirmwareImage* image);
+    bool _verifyCRC(QextSerialPort* port);
+
     enum {
         // protocol bytes
-        PROTO_INSYNC =      0x12,   ///< 'in sync' byte sent before status
-        PROTO_EOC = 		0x20,   ///< end of command
+        PROTO_INSYNC =          0x12,   ///< 'in sync' byte sent before status
+        PROTO_EOC =             0x20,   ///< end of command
         
         // Reply bytes
-        PROTO_OK =          0x10,   ///< INSYNC/OK      - 'ok' response
-        PROTO_FAILED =		0x11,   ///< INSYNC/FAILED  - 'fail' response
-        PROTO_INVALID =		0x13,	///< INSYNC/INVALID - 'invalid' response for bad commands
+        PROTO_OK =              0x10,   ///< INSYNC/OK      - 'ok' response
+        PROTO_FAILED =          0x11,   ///< INSYNC/FAILED  - 'fail' response
+        PROTO_INVALID =         0x13,	///< INSYNC/INVALID - 'invalid' response for bad commands
         
         // Command bytes
-        PROTO_GET_SYNC =	0x21,   ///< NOP for re-establishing sync
-        PROTO_GET_DEVICE =	0x22,   ///< get device ID bytes
-        PROTO_CHIP_ERASE =	0x23,   ///< erase program area and reset program address
-        PROTO_PROG_MULTI =	0x27,   ///< write bytes at program address and increment
-        PROTO_GET_CRC =		0x29,	///< compute & return a CRC
-        PROTO_BOOT =		0x30,   ///< boot the application
+        PROTO_GET_SYNC =        0x21,   ///< NOP for re-establishing sync
+        PROTO_GET_DEVICE =      0x22,   ///< get device ID bytes
+        PROTO_CHIP_ERASE =      0x23,   ///< erase program area and reset program address
+        PROTO_LOAD_ADDRESS =    0x24,	///< set next programming address
+        PROTO_PROG_MULTI =      0x27,   ///< write bytes at program address and increment
+        PROTO_GET_CRC =         0x29,	///< compute & return a CRC
+        PROTO_BOOT =            0x30,   ///< boot the application
         
         // Command bytes - Rev 2 boootloader only
-        PROTO_CHIP_VERIFY	= 0x24, ///< begin verify mode
-        PROTO_READ_MULTI	= 0x28, ///< read bytes at programm address and increment
+        PROTO_CHIP_VERIFY	=   0x24, ///< begin verify mode
+        PROTO_READ_MULTI	=   0x28, ///< read bytes at programm address and increment
         
-        INFO_BL_REV         = 1,    ///< bootloader protocol revision
-        BL_REV_MIN          = 2,    ///< Minimum supported bootlader protocol
-        BL_REV_MAX			= 4,    ///< Maximum supported bootloader protocol
-        INFO_BOARD_ID		= 2,    ///< board type
-        INFO_BOARD_REV		= 3,    ///< board revision
-        INFO_FLASH_SIZE		= 4,    ///< max firmware size in bytes
+        INFO_BL_REV         =   1,    ///< bootloader protocol revision
+        BL_REV_MIN          =   2,    ///< Minimum supported bootlader protocol
+        BL_REV_MAX			=   4,    ///< Maximum supported bootloader protocol
+        INFO_BOARD_ID		=   2,    ///< board type
+        INFO_BOARD_REV		=   3,    ///< board revision
+        INFO_FLASH_SIZE		=   4,    ///< max firmware size in bytes
         
-        PROG_MULTI_MAX		= 32,   ///< write size for PROTO_PROG_MULTI, must be multiple of 4
-        READ_MULTI_MAX		= 32    ///< read size for PROTO_READ_MULTI, must be multiple of 4
+        PROG_MULTI_MAX		=   64,   ///< write size for PROTO_PROG_MULTI, must be multiple of 4
+        READ_MULTI_MAX		=   255   ///< read size for PROTO_READ_MULTI, must be multiple of 4
     };
     
-    bool _findBootloader(void);
-    bool _downloadFirmware(void);
-    bool _bootloaderVerifyRev2(QextSerialPort* port, const QString firmwareFilename);
-    bool _bootloaderVerifyRev3(QextSerialPort* port);
-    
     uint32_t    _boardID;           ///< board id for currently connected board
     uint32_t    _boardFlashSize;    ///< flash size for currently connected board
     uint32_t    _imageCRC;          ///< CRC for image in currently selected firmware file

src/VehicleSetup/FirmwareImage.cc

+/*=====================================================================
+ 
+ QGroundControl Open Source Ground Control Station
+ 
+ (c) 2009, 2015 QGROUNDCONTROL PROJECT <http://www.qgroundcontrol.org>
+ 
+ This file is part of the QGROUNDCONTROL project
+ 
+ QGROUNDCONTROL is free software: you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation, either version 3 of the License, or
+ (at your option) any later version.
+ 
+ QGROUNDCONTROL is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ GNU General Public License for more details.
+ 
+ You should have received a copy of the GNU General Public License
+ along with QGROUNDCONTROL. If not, see <http://www.gnu.org/licenses/>.
+ 
+ ======================================================================*/
+
+/// @file
+///     @brief Support for Intel Hex firmware file
+///     @author Don Gagne <don@thegagnes.com>
+
+#include "FirmwareImage.h"
+#include "QGCLoggingCategory.h"
+
+#include <QDebug>
+#include <QFile>
+#include <QTextStream>
+#include <QJsonDocument>
+#include <QJsonObject>
+#include <QSettings>
+#include <QFileInfo>
+#include <QDir>
+
+FirmwareImage::FirmwareImage(QObject* parent) :
+    QObject(parent),
+    _imageSize(0)
+{
+    
+}
+
+bool FirmwareImage::load(const QString& imageFilename, uint32_t boardId)
+{
+    _imageSize = 0;
+    _boardId = boardId;
+    
+    if (imageFilename.endsWith(".bin")) {
+        return _binLoad(imageFilename);
+        _binFormat = true;
+        return true;
+    } else if (imageFilename.endsWith(".px4")) {
+        _binFormat = true;
+        return _px4Load(imageFilename);
+    } else if (imageFilename.endsWith(".ihx")) {
+        _binFormat = false;
+        return _ihxLoad(imageFilename);
+    } else {
+        emit errorMessage("Unsupported file format");
+        return false;
+    }
+}
+
+bool FirmwareImage::_readByteFromStream(QTextStream& stream, uint8_t& byte)
+{
+    QString hex = stream.read(2);
+    
+    if (hex.count() != 2) {
+        return false;
+    }
+    
+    bool success;
+    byte = (uint8_t)hex.toInt(&success, 16);
+    
+    return success;
+}
+
+bool FirmwareImage::_readWordFromStream(QTextStream& stream, uint16_t& word)
+{
+    QString hex = stream.read(4);
+    
+    if (hex.count() != 4) {
+        return false;
+    }
+    
+    bool success;
+    word = (uint16_t)hex.toInt(&success, 16);
+    
+    return success;
+}
+
+bool FirmwareImage::_readBytesFromStream(QTextStream& stream, uint8_t byteCount, QByteArray& bytes)
+{
+    bytes.clear();
+    
+    while (byteCount) {
+        uint8_t byte;
+        
+        if (!_readByteFromStream(stream, byte)) {
+            return false;
+        }
+        bytes += byte;
+        
+        byteCount--;
+    }
+    
+    return true;
+}
+
+bool FirmwareImage::_ihxLoad(const QString& ihxFilename)
+{
+    _imageSize = 0;
+    _ihxBlocks.clear();
+    
+    QFile ihxFile(ihxFilename);
+    if (!ihxFile.open(QIODevice::ReadOnly | QIODevice::Text)) {
+        emit errorMessage(QString("Unable to open firmware file %1, error: %2").arg(ihxFilename).arg(ihxFile.errorString()));
+        return false;
+    }
+    
+    QTextStream stream(&ihxFile);
+    
+    while (true) {
+        if (stream.read(1) != ":") {
+            emit errorMessage("Incorrectly formatted .ihx file, line does not begin with :");
+            return false;
+        }
+        
+        uint8_t     blockByteCount;
+        uint16_t    address;
+        uint8_t     recordType;
+        QByteArray  bytes;
+        uint8_t     crc;
+        
+        if (!_readByteFromStream(stream, blockByteCount) ||
+            !_readWordFromStream(stream, address) ||
+            !_readByteFromStream(stream, recordType) ||
+            !_readBytesFromStream(stream, blockByteCount, bytes) ||
+            !_readByteFromStream(stream, crc)) {
+            emit errorMessage("Incorrectly formatted line in .ihx file, line too short");
+            return false;
+        }
+        
+        if (!(recordType == 0 || recordType == 1)) {
+            emit errorMessage(QString("Unsupported record type in file: %1").arg(recordType));
+            return false;
+        }
+        
+        if (recordType == 0) {
+            bool appendToLastBlock = false;
+            
+            // Can we append this block to the last one?
+            
+            if (_ihxBlocks.count()) {
+                int lastBlockIndex = _ihxBlocks.count() - 1;
+                
+                if (_ihxBlocks[lastBlockIndex].address + _ihxBlocks[lastBlockIndex].bytes.count() == address) {
+                    appendToLastBlock = true;
+                }
+            }
+            
+            if (appendToLastBlock) {
+                _ihxBlocks[_ihxBlocks.count() - 1].bytes += bytes;
+                qCDebug(FirmwareUpgradeLog) << QString("_ihxLoad - append - address:%1 size:%2 block:%3").arg(address).arg(blockByteCount).arg(ihxBlockCount());
+            } else {
+                IntelHexBlock_t block;
+                
+                block.address = address;
+                block.bytes = bytes;
+                
+                _ihxBlocks += block;
+                qCDebug(FirmwareUpgradeLog) << QString("_ihxLoad - new block - address:%1 size:%2 block:%3").arg(address).arg(blockByteCount).arg(ihxBlockCount());
+            }
+            
+            _imageSize += blockByteCount;
+        } else if (recordType == 1) {
+            // EOF
+            qCDebug(FirmwareUpgradeLog) << QString("_ihxLoad - EOF");
+            break;
+        }
+        
+        // Move to next line
+        stream.readLine();
+    }
+    
+    ihxFile.close();
+    
+    return true;
+}
+
+bool FirmwareImage::_px4Load(const QString& imageFilename)
+{
+    _imageSize = 0;
+    
+    // We need to collect information from the .px4 file as well as pull the binary image out to a seperate file.
+    
+    QFile px4File(imageFilename);
+    if (!px4File.open(QIODevice::ReadOnly | QIODevice::Text)) {
+        emit errorMessage(QString("Unable to open firmware file %1, error: %2").arg(imageFilename).arg(px4File.errorString()));
+        return false;
+    }
+    
+    QByteArray bytes = px4File.readAll();
+    px4File.close();
+    QJsonDocument doc = QJsonDocument::fromJson(bytes);
+    
+    if (doc.isNull()) {
+        emit errorMessage("Supplied file is not a valid JSON document");
+        return false;
+    }
+    
+    QJsonObject px4Json = doc.object();
+    
+    // Make sure the keys we need are available
+    static const char* rgJsonKeys[] = { "board_id", "image_size", "description", "git_identity" };
+    for (size_t i=0; i<sizeof(rgJsonKeys)/sizeof(rgJsonKeys[0]); i++) {
+        if (!px4Json.contains(rgJsonKeys[i])) {
+            emit errorMessage(QString("Incorrectly formatted firmware file. No %1 key.").arg(rgJsonKeys[i]));
+            return false;
+        }
+    }
+    
+    uint32_t firmwareBoardId = (uint32_t)px4Json.value(QString("board_id")).toInt();
+    if (firmwareBoardId != _boardId) {
+        emit errorMessage(QString("Downloaded firmware board id does not match hardware board id: %1 != %2").arg(firmwareBoardId).arg(_boardId));
+        return false;
+    }
+    
+    // Decompress the parameter xml and save to file
+    QByteArray decompressedBytes;
+    bool success = _decompressJsonValue(px4Json,               // JSON object
+                                        bytes,                 // Raw bytes of JSON document
+                                        "parameter_xml_size",  // key which holds byte size
+                                        "parameter_xml",       // key which holds compress bytes
+                                        decompressedBytes);    // Returned decompressed bytes
+    if (success) {
+        // We cache the parameter xml in the same location as settings
+        QSettings settings;
+        QDir parameterDir = QFileInfo(settings.fileName()).dir();
+        QString parameterFilename = parameterDir.filePath("PX4ParameterFactMetaData.xml");
+        qDebug() << parameterFilename;
+        QFile parameterFile(parameterFilename);
+        
+        if (parameterFile.open(QIODevice::WriteOnly | QIODevice::Truncate)) {
+            qint64 bytesWritten = parameterFile.write(decompressedBytes);
+            if (bytesWritten != decompressedBytes.count()) {
+                // FIXME: What about these warnings?
+                emit statusMessage(QString("Write failed for parameter meta data file, error: %1").arg(parameterFile.errorString()));
+                parameterFile.close();
+                QFile::remove(parameterFilename);
+            } else {
+                parameterFile.close();
+            }
+        } else {
+            emit statusMessage(QString("Unable to open parameter meta data file %1 for writing, error: %2").arg(parameterFilename).arg(parameterFile.errorString()));
+        }
+    }
+    
+    // Decompress the image and save to file
+    _imageSize = px4Json.value(QString("image_size")).toInt();
+    success = _decompressJsonValue(px4Json,               // JSON object
+                                   bytes,                 // Raw bytes of JSON document
+                                   "image_size",          // key which holds byte size
+                                   "image",               // key which holds compress bytes
+                                   decompressedBytes);    // Returned decompressed bytes
+    if (!success) {
+        return false;
+    }
+    
+    // Pad image to 4-byte boundary
+    while ((decompressedBytes.count() % 4) != 0) {
+        decompressedBytes.append(static_cast<char>(static_cast<unsigned char>(0xFF)));
+    }
+    
+    // Store decompressed image file in same location as original download file
+    QDir imageDir = QFileInfo(imageFilename).dir();
+    QString decompressFilename = imageDir.filePath("PX4FlashUpgrade.bin");
+    
+    QFile decompressFile(decompressFilename);
+    if (!decompressFile.open(QIODevice::WriteOnly | QIODevice::Truncate)) {
+        emit errorMessage(QString("Unable to open decompressed file %1 for writing, error: %2").arg(decompressFilename).arg(decompressFile.errorString()));
+        return false;
+    }
+    
+    qint64 bytesWritten = decompressFile.write(decompressedBytes);
+    if (bytesWritten != decompressedBytes.count()) {
+        emit errorMessage(QString("Write failed for decompressed image file, error: %1").arg(decompressFile.errorString()));
+        return false;
+    }
+    decompressFile.close();
+    
+    _binFilename = decompressFilename;
+    
+    return true;
+}
+
+/// Decompress a set of bytes stored in a Json document.
+bool FirmwareImage::_decompressJsonValue(const QJsonObject&	jsonObject,			///< JSON object
+                                         const QByteArray&	jsonDocBytes,		///< Raw bytes of JSON document
+                                         const QString&		sizeKey,			///< key which holds byte size
+                                         const QString&		bytesKey,			///< key which holds compress bytes
+                                         QByteArray&		decompressedBytes)	///< Returned decompressed bytes
+{
+    // Validate decompressed size key
+    if (!jsonObject.contains(sizeKey)) {
+        emit statusMessage(QString("Firmware file missing %1 key").arg(sizeKey));
+        return false;
+    }
+    int decompressedSize = jsonObject.value(QString(sizeKey)).toInt();
+    if (decompressedSize == 0) {
+        emit errorMessage(QString("Firmware file has invalid decompressed size for %1").arg(sizeKey));
+        return false;
+    }
+    
+    // XXX Qt's JSON string handling is terribly broken, strings
+    // with some length (18K / 25K) are just weirdly cut.
+    // The code below works around this by manually 'parsing'
+    // for the image string. Since its compressed / checksummed
+    // this should be fine.
+    
+    QStringList parts = QString(jsonDocBytes).split(QString("\"%1\": \"").arg(bytesKey));
+    if (parts.count() == 1) {
+        emit errorMessage(QString("Could not find compressed bytes for %1 in Firmware file").arg(bytesKey));
+        return false;
+    }
+    parts = parts.last().split("\"");
+    if (parts.count() == 1) {
+        emit errorMessage(QString("Incorrectly formed compressed bytes section for %1 in Firmware file").arg(bytesKey));
+        return false;
+    }
+    
+    // Store decompressed size as first four bytes. This is required by qUncompress routine.
+    QByteArray raw;
+    raw.append((unsigned char)((decompressedSize >> 24) & 0xFF));
+    raw.append((unsigned char)((decompressedSize >> 16) & 0xFF));
+    raw.append((unsigned char)((decompressedSize >> 8) & 0xFF));
+    raw.append((unsigned char)((decompressedSize >> 0) & 0xFF));
+    
+    QByteArray raw64 = parts.first().toUtf8();
+    raw.append(QByteArray::fromBase64(raw64));
+    decompressedBytes = qUncompress(raw);
+    
+    if (decompressedBytes.count() == 0) {
+        emit errorMessage(QString("Firmware file has 0 length %1").arg(bytesKey));
+        return false;
+    }
+    if (decompressedBytes.count() != decompressedSize) {
+        emit errorMessage(QString("Size for decompressed %1 does not match stored size: Expected(%1) Actual(%2)").arg(decompressedSize).arg(decompressedBytes.count()));
+        return false;
+    }
+    
+    emit statusMessage(QString("Succesfully decompressed %1").arg(bytesKey));
+    
+    return true;
+}
+
+uint16_t FirmwareImage::ihxBlockCount(void) const
+{
+    return _ihxBlocks.count();
+}
+
+bool FirmwareImage::ihxGetBlock(uint16_t index, uint16_t& address, QByteArray& bytes) const
+{
+    address = 0;
+    bytes.clear();
+    
+    if (index < ihxBlockCount()) {
+        address = _ihxBlocks[index].address;
+        bytes = _ihxBlocks[index].bytes;
+        return true;
+    } else {
+        return false;
+    }
+}
+
+bool FirmwareImage::_binLoad(const QString& imageFilename)
+{
+    QFile binFile(imageFilename);
+    if (!binFile.open(QIODevice::ReadOnly)) {
+        emit errorMessage(QString("Unabled to open firmware file %1, %2").arg(imageFilename).arg(binFile.errorString()));
+        return false;
+    }
+    
+    _imageSize = (uint32_t)binFile.size();
+    
+    binFile.close();
+    
+    return true;
+}

src/VehicleSetup/FirmwareImage.h

+/*=====================================================================
+ 
+ QGroundControl Open Source Ground Control Station
+ 
+ (c) 2009, 2015 QGROUNDCONTROL PROJECT <http://www.qgroundcontrol.org>
+ 
+ This file is part of the QGROUNDCONTROL project
+ 
+ QGROUNDCONTROL is free software: you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation, either version 3 of the License, or
+ (at your option) any later version.
+ 
+ QGROUNDCONTROL is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ GNU General Public License for more details.
+ 
+ You should have received a copy of the GNU General Public License
+ along with QGROUNDCONTROL. If not, see <http://www.gnu.org/licenses/>.
+ 
+ ======================================================================*/
+
+/// @file
+///     @author Don Gagne <don@thegagnes.com>
+
+#ifndef FirmwareImage_H
+#define FirmwareImage_H
+
+#include <QObject>
+#include <QString>
+#include <QByteArray>
+#include <QList>
+#include <QTextStream>
+
+#include <stdint.h>
+
+/// Support for Intel Hex firmware file
+class FirmwareImage : public QObject
+{
+    Q_OBJECT
+    
+public:
+    FirmwareImage(QObject *parent = 0);
+    
+    /// Loads the specified image file. Supported formats: .px4, .bin, .ihx.
+    /// Emits errorMesssage and statusMessage signals while loading.
+    ///     @param imageFilename Image file to load
+    ///     @param boardId Board id that we are going to load this image onto
+    /// @return true: success, false: failure
+    bool load(const QString& imageFilename, uint32_t boardId);
+    
+    /// Returns the number of bytes in the image.
+    uint32_t imageSize(void) const { return _imageSize; }
+    
+    /// @return true: image format is .bin
+    bool imageIsBinFormat(void) const { return _binFormat; }
+    
+    /// @return Filename for .bin file
+    QString binFilename(void) const { return _binFilename; }
+    
+    /// @return Block count from .ihx image
+    uint16_t ihxBlockCount(void) const;
+    
+    /// Retrieves the specified block from the .ihx image
+    ///     @param index Index of block to return
+    ///     @param address Address of returned block
+    ///     @param byets Bytes of returned block
+    /// @return true: block retrieved
+    bool ihxGetBlock(uint16_t index, uint16_t& address, QByteArray& bytes) const;
+    
+signals:
+    void errorMessage(const QString& errorString);
+    void statusMessage(const QString& warningtring);
+    
+private:
+    bool _binLoad(const QString& px4Filename);
+    bool _px4Load(const QString& px4Filename);
+    bool _ihxLoad(const QString& ihxFilename);
+    
+    bool _readByteFromStream(QTextStream& stream, uint8_t& byte);
+    bool _readWordFromStream(QTextStream& stream, uint16_t& word);
+    bool _readBytesFromStream(QTextStream& stream, uint8_t byteCount, QByteArray& bytes);
+    
+    bool _decompressJsonValue(const QJsonObject&	jsonObject,
+                              const QByteArray&     jsonDocBytes,
+                              const QString&		sizeKey,
+                              const QString&		bytesKey,
+                              QByteArray&			decompressedBytes);
+    
+    typedef struct {
+        uint16_t    address;
+        QByteArray  bytes;
+    } IntelHexBlock_t;
+
+    bool                    _binFormat;
+    uint32_t                _boardId;
+    QString                 _binFilename;
+    QList<IntelHexBlock_t>  _ihxBlocks;
+    uint32_t                _imageSize;
+};
+
+#endif

src/VehicleSetup/FirmwareUpgrade.qml

@@ -34,158 +34,337 @@ import QGroundControl.Controllers 1.0
 import QGroundControl.ScreenTools 1.0
 
 QGCView {
-    viewPanel: panel
+    id:         qgcView
+    viewPanel:  panel
+
+    // User visible strings
+    readonly property string title:             "FIRMWARE UPDATE"
+    readonly property string highlightPrefix:   "<font color=\"yellow\">"
+    readonly property string highlightSuffix:   "</font>"
+    readonly property string welcomeText:       "QGroundControl can upgrade the firmware on Pixhawk devices, 3DR Radios and PX4 Flow Smart Cameras."
+    readonly property string plugInText:        highlightPrefix + "Plug in your device" + highlightSuffix + " via USB to " + highlightPrefix + "start" + highlightSuffix + " firmware upgrade"
+    readonly property string qgcDisconnectText: "All QGroundControl connections to vehicles must be disconnected prior to firmware upgrade. " +
+                                                    "Click " + highlightPrefix + "Disconnect" + highlightSuffix + " in the toolbar above."
+    property string usbUnplugText:              "Device must be disconnected from USB to start firmware upgrade. " +
+                                                    highlightPrefix + "Disconnect {0}" + highlightSuffix + " from usb."
 
     property string firmwareWarningMessage
+    property bool   controllerCompleted:      false
+    property bool   initialBoardSearch:       true
+    property string firmwareName
+
+    function cancelFlash() {
+        statusTextArea.append(highlightPrefix + "Upgrade cancelled" + highlightSuffix)
+        statusTextArea.append("------------------------------------------")
+        controller.cancel()
+        flashCompleteWaitTimer.running = true
+    }
 
     QGCPalette { id: qgcPal; colorGroupEnabled: panel.enabled }
 
     FirmwareUpgradeController {
         id:             controller
-        upgradeButton:  upgradeButton
         progressBar:    progressBar
         statusLog:      statusTextArea
-        firmwareType:   FirmwareUpgradeController.StableFirmware
 
-        onShowMessage: {
-            showMessage(title, message, StandardButton.Ok)
+        Component.onCompleted: {
+            controllerCompleted = true
+            if (qgcView.completedSignalled) {
+                // We can only start the board search when the Qml and Controller are completely done loading
+                controller.startBoardSearch()
+            }
+        }
+
+        onNoBoardFound: {
+            initialBoardSearch = false
+            statusTextArea.append(plugInText)
         }
+ 
+        onBoardGone: {
+            initialBoardSearch = false
+            statusTextArea.append(plugInText)
+        }
+ 
+        onBoardFound: {
+            if (initialBoardSearch) {
+                // Board was found right away, so something is already plugged in before we've started upgrade
+                if (controller.qgcConnections) {
+                    statusTextArea.append(qgcDisconnectText)
+                } else {
+                    statusTextArea.append(usbUnplugText.replace('{0}', controller.boardType))
+                }
+            } else {
+                // We end up here when we detect a board plugged in after we've started upgrade
+                statusTextArea.append(highlightPrefix + "Found device" + highlightSuffix + ": " + controller.boardType)
+                if (controller.boardType == "Pixhawk") {
+                    showDialog(pixhawkFirmwareSelectDialog, title, 50, StandardButton.Ok | StandardButton.Cancel)
+                 }
+             }
+         }
+
+        onError: {
+            hideDialog()
+            flashCompleteWaitTimer.running = true
+        }
+
+        onFlashComplete: flashCompleteWaitTimer.running = true
     }
 
-    QGCViewPanel {
-        id:             panel
-        anchors.fill:   parent
+    onCompleted: {
+        if (controllerCompleted) {
+            // We can only start the board search when the Qml and Controller are completely done loading
+            controller.startBoardSearch()
+        }
+    }
 
-        Component {
-            id: firmwareWarningComponent
+    // After a flash completes we start this timer to trigger resetting the ui back to it's initial state of being ready to
+    // flash another board. We do this only after the timer triggers to leave the results of the previous flash on the screen
+    // for a small amount amount of time.
 
-            QGCViewMessage {
-                message: firmwareWarningMessage
+    Timer {
+        id:         flashCompleteWaitTimer
+        interval:   15000
 
-                function accept() {
-                    hideDialog()
-                    controller.doFirmwareUpgrade();
-                }
-            }
+        onTriggered: {
+            initialBoardSearch = true
+            progressBar.value = 0
+            statusTextArea.append(welcomeText)
+            controller.startBoardSearch()
         }
+    }
+
+    Component {
+        id: pixhawkFirmwareSelectDialog
 
-        Column {
+        QGCViewDialog {
             anchors.fill: parent
+ 
+            property bool showVersionSelection: apmFlightStack.checked || advancedMode.checked
 
-            QGCLabel {
-                text: "FIRMWARE UPDATE"
-                font.pixelSize: ScreenTools.largeFontPixelSize
+            function accept() {
+                hideDialog()
+                controller.flash(firmwareVersionCombo.model.get(firmwareVersionCombo.currentIndex).firmwareType)
+            }
+ 
+            function reject() {
+                cancelFlash()
+                hideDialog()
+            }
+ 
+            ExclusiveGroup {
+                id: firmwareGroup
+            }
+ 
+            ListModel {
+                id: px4FirmwareTypeList
+
+                ListElement {
+                    text: qsTr("Standard Version (stable)");
+                    firmwareType: FirmwareUpgradeController.PX4StableFirmware
+                }
+                ListElement {
+                    text: qsTr("Beta Testing (beta)");
+                    firmwareType: FirmwareUpgradeController.PX4BetaFirmware
+                }
+                ListElement {
+                    text: qsTr("Developer Build (master)");
+                    firmwareType: FirmwareUpgradeController.PX4DeveloperFirmware
+                }
+                ListElement {
+                    text: qsTr("Custom firmware file...");
+                    firmwareType: FirmwareUpgradeController.PX4CustomFirmware
+                 }
             }
+ 
+            ListModel {
+                id: apmFirmwareTypeList
 
-            Item {
-                // Just used as a spacer
-                height: 20
-                width: 10
+                ListElement {
+                    text: "ArduCopter Quad"
+                    firmwareType: FirmwareUpgradeController.ApmArduCopterQuadFirmware
+                }
+                ListElement {
+                    text: "ArduCopter X8"
+                    firmwareType: FirmwareUpgradeController.ApmArduCopterX8Firmware
+                }
+                ListElement {
+                    text: "ArduCopter Hexa"
+                    firmwareType: FirmwareUpgradeController.ApmArduCopterHexaFirmware
+                }
+                ListElement {
+                    text: "ArduCopter Octo"
+                    firmwareType: FirmwareUpgradeController.ApmArduCopterOctoFirmware
+                }
+                ListElement {
+                    text: "ArduCopter Y"
+                    firmwareType: FirmwareUpgradeController.ApmArduCopterYFirmware
+                }
+                ListElement {
+                    text: "ArduCopter Y6"
+                    firmwareType: FirmwareUpgradeController.ApmArduCopterY6Firmware
+                }
+                ListElement {
+                    text: "ArduCopter Heli"
+                    firmwareType: FirmwareUpgradeController.ApmArduCopterHeliFirmware
+                }
+                ListElement {
+                    text: "ArduPlane"
+                    firmwareType: FirmwareUpgradeController.ApmArduPlaneFirmware
+                }
+                ListElement {
+                    text: "Rover"
+                    firmwareType: FirmwareUpgradeController.ApmRoverFirmware
+                }
             }
 
-            Row {
-                spacing: 10
-
-                ListModel {
-                    id: firmwareItems
-                    ListElement {
-                        text: qsTr("Standard Version (stable)");
-                        firmwareType: FirmwareUpgradeController.StableFirmware
-                    }
-                    ListElement {
-                        text: qsTr("Beta Testing (beta)");
-                        firmwareType: FirmwareUpgradeController.BetaFirmware
-                    }
-                    ListElement {
-                        text: qsTr("Developer Build (master)");
-                        firmwareType: FirmwareUpgradeController.DeveloperFirmware
-                    }
-                    ListElement {
-                        text: qsTr("Custom firmware file...");
-                        firmwareType: FirmwareUpgradeController.CustomFirmware
-                    }
+            Column {
+                anchors.fill:   parent
+                spacing:        defaultTextHeight
+
+                QGCLabel {
+                    width:      parent.width
+                    wrapMode:   Text.WordWrap
+                    text:       "Detected Pixhawk board. You can select from the following flight stacks:"
                 }
 
-                QGCComboBox {
-                    id: firmwareCombo
-                    width: 200
-                    height: upgradeButton.height
-                    model: firmwareItems
-                }
-
-                QGCButton {
-                    id: upgradeButton
-                    text: "UPGRADE"
-                    primary: true
-                    onClicked: {
-                        if (controller.activeQGCConnections()) {
-                            showMessage("Firmware Upgrade",
-                                                "There are still vehicles connected to QGroundControl. " +
-                                                "You must disconnect all vehicles from QGroundControl prior to Firmware Upgrade.",
-                                                StandardButton.Ok)
-                            return
-                        }
+                function firmwareVersionChanged(model) {
+                    firmwareVersionWarningLabel.visible = false
+                    // All of this bizarre, setting model to null and index to 1 and then to 0 is to work around
+                    // strangeness in the combo box implementation. This sequence of steps correctly changes the combo model
+                    // without generating any warnings and correctly updates the combo text with the new selection.
+                    firmwareVersionCombo.model = null
+                    firmwareVersionCombo.model = model
+                    firmwareVersionCombo.currentIndex = 1
+                    firmwareVersionCombo.currentIndex = 0
+                }
 
-                        if (controller.pluggedInBoard()) {
-                            showMessage("Firmware Upgrade",
-                                                "You vehicle is currently connected via USB. " +
-                                                "You must unplug your vehicle from USB prior to Firmware Upgrade.",
-                                                StandardButton.Ok)
-                            return
-                        }
+                QGCRadioButton {
+                    id:             px4FlightStack
+                    checked:        true
+                    exclusiveGroup: firmwareGroup
+                    text:           "PX4 Flight Stack (full QGC support)"
+
+                    onClicked: parent.firmwareVersionChanged(px4FirmwareTypeList)
+                }
+
+                QGCRadioButton {
+                    id:             apmFlightStack
+                    exclusiveGroup: firmwareGroup
+                    text:           "APM Flight Stack (partial QGC support)"
 
-                        controller.firmwareType = firmwareItems.get(firmwareCombo.currentIndex).firmwareType
-
-                        if (controller.firmwareType == 1) {
-                            firmwareWarningMessage = "WARNING: BETA FIRMWARE\n" +
-                                                        "This firmware version is ONLY intended for beta testers. " +
-                                                        "Although it has received FLIGHT TESTING, it represents actively changed code. " +
-                                                        "Do NOT use for normal operation.\n\n" +
-                                                        "Click Cancel to abort upgrade, Click Ok to Upgrade anwyay"
-                            showDialog(firmwareWarningComponent, "Firmware Upgrade", 50, StandardButton.Cancel | StandardButton.Ok)
-                        } else if (controller.firmwareType == 2) {
-                            firmwareWarningMessage = "WARNING: CONTINUOUS BUILD FIRMWARE\n" +
-                                                        "This firmware has NOT BEEN FLIGHT TESTED. " +
-                                                        "It is only intended for DEVELOPERS. " +
-                                                        "Run bench tests without props first. " +
-                                                        "Do NOT fly this without addional safety precautions. " +
-                                                        "Follow the mailing list actively when using it.\n\n" +
-                                                        "Click Cancel to abort upgrade, Click Ok to Upgrade anwyay"
-                            showDialog(firmwareWarningComponent, "Firmware Upgrade", 50, StandardButton.Cancel | StandardButton.Ok)
-                        } else {
-                            controller.doFirmwareUpgrade();
+                    onClicked: parent.firmwareVersionChanged(apmFirmwareTypeList)
+                }
+ 
+                QGCLabel {
+                    width:      parent.width
+                    wrapMode:   Text.WordWrap
+                    visible:    showVersionSelection
+                    text:       "Select which version of the above flight stack you would like to install:"
+                }
+ 
+                QGCComboBox {
+                    id:         firmwareVersionCombo
+                    width:      200
+                    visible:    showVersionSelection
+                    model:      px4FirmwareTypeList
+
+                    onActivated: {
+                        if (model.get(index).firmwareType == FirmwareUpgradeController.PX4BetaFirmware) {
+                            firmwareVersionWarningLabel.visible = true
+                            firmwareVersionWarningLabel.text = "WARNING: BETA FIRMWARE. " +
+                                                                    "This firmware version is ONLY intended for beta testers. " +
+                                                                    "Although it has received FLIGHT TESTING, it represents actively changed code. " +
+                                                                    "Do NOT use for normal operation."
+                        } else if (model.get(index).firmwareType == FirmwareUpgradeController.PX4DeveloperFirmware) {
+                            firmwareVersionWarningLabel.visible = true
+                            firmwareVersionWarningLabel.text = "WARNING: CONTINUOUS BUILD FIRMWARE. " +
+                                                                    "This firmware has NOT BEEN FLIGHT TESTED. " +
+                                                                    "It is only intended for DEVELOPERS. " +
+                                                                    "Run bench tests without props first. " +
+                                                                    "Do NOT fly this without addional safety precautions. " +
+                                                                    "Follow the mailing list actively when using it."
+                         } else {
+                            firmwareVersionWarningLabel.visible = false
                         }
-                    }
+                     }
+                 }
+
+                QGCLabel {
+                    id:         firmwareVersionWarningLabel
+                    width:      parent.width
+                    wrapMode:   Text.WordWrap
+                    visible:    false
+                }
+             }
+ 
+            QGCCheckBox {
+                id:             advancedMode
+                anchors.bottom: parent.bottom
+                text:           "Advanced mode"
+
+                onClicked: {
+                    firmwareVersionCombo.currentIndex = 0
+                    firmwareVersionWarningLabel.visible = false
                 }
             }
 
-            Item {
-                // Just used as a spacer
-                height: 20
-                width: 10
+            QGCButton {
+                anchors.leftMargin: ScreenTools.defaultFontPixelWidth * 2
+                anchors.left:       advancedMode.right
+                anchors.bottom:     parent.bottom
+                text:               "Help me pick a flight stack"
+                onClicked:          Qt.openUrlExternally("http://pixhawk.org/choice")
             }
+        } // QGCViewDialog
+    } // Component - pixhawkFirmwareSelectDialog
+
+
+    Component {
+        id: firmwareWarningDialog
+
+        QGCViewMessage {
+            message: firmwareWarningMessage
 
-            ProgressBar {
-                id: progressBar
-                width: parent.width
+            function accept() {
+                hideDialog()
+                controller.doFirmwareUpgrade();
             }
+        }
+    }
+
+    QGCViewPanel {
+        id:             panel
+        anchors.fill:   parent
 
-            TextArea {
-                id: statusTextArea
+        QGCLabel {
+            id:             titleLabel
+            text:           title
+            font.pixelSize: ScreenTools.largeFontPixelSize
+        }
 
-                width:			parent.width
-                height:			300
-                readOnly:		true
-                frameVisible:	false
-                font.pixelSize: ScreenTools.defaultFontPixelSize
-                
-                text: qsTr("Please disconnect all vehicles from QGroundControl before selecting Upgrade.")
+        ProgressBar {
+            id:                 progressBar
+            anchors.topMargin:  ScreenTools.defaultFontPixelHeight
+            anchors.top:        titleLabel.bottom
+            width:              parent.width
+        }
 
-                style: TextAreaStyle {
-                    textColor:          qgcPal.text
-                    backgroundColor:    qgcPal.windowShade
-                }
+        TextArea {
+            id:                 statusTextArea
+            anchors.topMargin:  ScreenTools.defaultFontPixelHeight
+            anchors.top:        progressBar.bottom
+            anchors.bottom:     parent.bottom
+            width:              parent.width
+            readOnly:           true
+            frameVisible:       false
+            font.pixelSize:     ScreenTools.defaultFontPixelSize
+            textFormat:         TextEdit.RichText
+            text:               welcomeText
+
+            style: TextAreaStyle {
+                textColor:          qgcPal.text
+                backgroundColor:    qgcPal.windowShade
             }
-        } // Column
-    } // QGCViewPanel
-} // QGCView
+        }
+    } // QGCViewPabel
+} // QGCView
\ No newline at end of file

src/VehicleSetup/FirmwareUpgradeController.cc

@@ -26,16 +26,7 @@
 ///     @author Don Gagne <don@thegagnes.com>
 
 #include "FirmwareUpgradeController.h"
-
-#include <QFile>
-#include <QFileInfo>
-#include <QStandardPaths>
-#include <QJsonDocument>
-#include <QJsonObject>
-#include <QDir>
-#include <QQmlProperty>
-#include <QDebug>
-
+#include "Bootloader.h"
 #include "QGCFileDialog.h"
 #include "QGCMessageBox.h"
 
@@ -43,187 +34,229 @@
 FirmwareUpgradeController::FirmwareUpgradeController(void) :
     _downloadManager(NULL),
     _downloadNetworkReply(NULL),
-    _firmwareType(StableFirmware),
-    _upgradeButton(NULL),
-    _statusLog(NULL)
+    _statusLog(NULL),
+    _image(NULL)
 {
     _threadController = new PX4FirmwareUpgradeThreadController(this);
     Q_CHECK_PTR(_threadController);
 
-    connect(_threadController, &PX4FirmwareUpgradeThreadController::foundBoard, this, &FirmwareUpgradeController::_foundBoard);
-    connect(_threadController, &PX4FirmwareUpgradeThreadController::foundBootloader, this, &FirmwareUpgradeController::_foundBootloader);
-    connect(_threadController, &PX4FirmwareUpgradeThreadController::bootloaderSyncFailed, this, &FirmwareUpgradeController::_bootloaderSyncFailed);
-    connect(_threadController, &PX4FirmwareUpgradeThreadController::error, this, &FirmwareUpgradeController::_error);
-    connect(_threadController, &PX4FirmwareUpgradeThreadController::complete, this, &FirmwareUpgradeController::_complete);
-    connect(_threadController, &PX4FirmwareUpgradeThreadController::findTimeout, this, &FirmwareUpgradeController::_findTimeout);
-    connect(_threadController, &PX4FirmwareUpgradeThreadController::updateProgress, this, &FirmwareUpgradeController::_updateProgress);
-    
+    connect(_threadController, &PX4FirmwareUpgradeThreadController::foundBoard,             this, &FirmwareUpgradeController::_foundBoard);
+    connect(_threadController, &PX4FirmwareUpgradeThreadController::noBoardFound,           this, &FirmwareUpgradeController::_noBoardFound);
+    connect(_threadController, &PX4FirmwareUpgradeThreadController::boardGone,              this, &FirmwareUpgradeController::_boardGone);
+    connect(_threadController, &PX4FirmwareUpgradeThreadController::foundBootloader,        this, &FirmwareUpgradeController::_foundBootloader);
+    connect(_threadController, &PX4FirmwareUpgradeThreadController::bootloaderSyncFailed,   this, &FirmwareUpgradeController::_bootloaderSyncFailed);
+    connect(_threadController, &PX4FirmwareUpgradeThreadController::error,                  this, &FirmwareUpgradeController::_error);
+    connect(_threadController, &PX4FirmwareUpgradeThreadController::updateProgress,         this, &FirmwareUpgradeController::_updateProgress);
+    connect(_threadController, &PX4FirmwareUpgradeThreadController::status,                 this, &FirmwareUpgradeController::_status);
+    connect(_threadController, &PX4FirmwareUpgradeThreadController::eraseStarted,           this, &FirmwareUpgradeController::_eraseStarted);
+    connect(_threadController, &PX4FirmwareUpgradeThreadController::eraseComplete,          this, &FirmwareUpgradeController::_eraseComplete);
+    connect(_threadController, &PX4FirmwareUpgradeThreadController::flashComplete,          this, &FirmwareUpgradeController::_flashComplete);
+    connect(_threadController, &PX4FirmwareUpgradeThreadController::updateProgress,         this, &FirmwareUpgradeController::_updateProgress);
+    
+    connect(LinkManager::instance(), &LinkManager::linkDisconnected, this, &FirmwareUpgradeController::_linkDisconnected);
+
     connect(&_eraseTimer, &QTimer::timeout, this, &FirmwareUpgradeController::_eraseProgressTick);
 }
 
-/// @brief Cancels the current state and returns to the begin start
-void FirmwareUpgradeController::_cancel(void)
+void FirmwareUpgradeController::startBoardSearch(void)
 {
-    // Bootloader may still still open, reboot to close and heopfully get back to FMU
-    _threadController->sendBootloaderReboot();
-    
-    Q_ASSERT(_upgradeButton);
-    _upgradeButton->setEnabled(true);
+    _bootloaderFound = false;
+    _startFlashWhenBootloaderFound = false;
+    _threadController->startFindBoardLoop();
 }
 
-/// @brief Begins the process or searching for the board
-void FirmwareUpgradeController::_findBoard(void)
+void FirmwareUpgradeController::flash(FirmwareType_t firmwareType)
 {
-    QString msg("Plug your board into USB now. Press Ok when board is plugged in.");
-    
-    _appendStatusLog(msg);
-    emit showMessage("Firmware Upgrade", msg);
-    
-    _searchingForBoard = true;
-    _threadController->findBoard(_findBoardTimeoutMsec);
+    if (_bootloaderFound) {
+        _getFirmwareFile(firmwareType);
+    } else {
+        // We haven't found the bootloader yet. Need to wait until then to flash
+        _startFlashWhenBootloaderFound = true;
+        _startFlashWhenBootloaderFoundFirmwareType = firmwareType;
+    }
 }
 
-/// @brief Called when board has been found by the findBoard process
-void FirmwareUpgradeController::_foundBoard(bool firstTry, const QString portName, QString portDescription)
+void FirmwareUpgradeController::cancel(void)
 {
-    if (firstTry) {
-        // Board is still plugged
-        _cancel();
-        emit showMessage("Board plugged in",
-                         "Please unplug your board before beginning the Firmware Upgrade process. "
-                            "Click Upgrade again once the board is unplugged.");
-    } else {
-        _portName = portName;
-        _portDescription = portDescription;
+    _eraseTimer.stop();
+    _threadController->cancel();
+}
 
-        _appendStatusLog(tr("Board found:"));
-        _appendStatusLog(tr("  Port: %1").arg(_portName));
-        _appendStatusLog(tr("  Description: %1").arg(_portName));
-        
-        _findBootloader();
+void FirmwareUpgradeController::_foundBoard(bool firstAttempt, const QSerialPortInfo& info, int type)
+{
+    _foundBoardInfo = info;
+    switch (type) {
+        case FoundBoardPX4FMUV1:
+            _foundBoardType = "PX4 FMU V1";
+            _startFlashWhenBootloaderFound = false;
+            break;
+        case FoundBoardPX4FMUV2:
+            _foundBoardType = "Pixhawk";
+            _startFlashWhenBootloaderFound = false;
+            break;
+        case FoundBoardPX4Flow:
+        case FoundBoard3drRadio:
+            _foundBoardType = type == FoundBoardPX4Flow ? "PX4 Flow" : "3DR Radio";
+            if (!firstAttempt) {
+                // PX4 Flow and Radio always flash stable firmware, so we can start right away without
+                // any further user input.
+                _startFlashWhenBootloaderFound = true;
+                _startFlashWhenBootloaderFoundFirmwareType = PX4StableFirmware;
+            }
+            break;
     }
+    
+    qCDebug(FirmwareUpgradeLog) << _foundBoardType;
+    emit boardFound();
 }
 
-/// @brief Begins the findBootloader process to connect to the bootloader
-void FirmwareUpgradeController::_findBootloader(void)
+
+void FirmwareUpgradeController::_noBoardFound(void)
 {
-    _appendStatusLog(tr("Attemping to communicate with bootloader..."));
-    _searchingForBoard = false;
-    _threadController->findBootloader(_portName, _findBootloaderTimeoutMsec);
+    emit noBoardFound();
+}
+
+void FirmwareUpgradeController::_boardGone(void)
+{
+    emit boardGone();
 }
 
 /// @brief Called when the bootloader is connected to by the findBootloader process. Moves the state machine
 ///         to the next step.
 void FirmwareUpgradeController::_foundBootloader(int bootloaderVersion, int boardID, int flashSize)
 {
+    _bootloaderFound = true;
     _bootloaderVersion = bootloaderVersion;
-    _boardID = boardID;
-    _boardFlashSize = flashSize;
+    _bootloaderBoardID = boardID;
+    _bootloaderBoardFlashSize = flashSize;
     
-    _appendStatusLog(tr("Connected to bootloader:"));
-    _appendStatusLog(tr("  Version: %1").arg(_bootloaderVersion));
-    _appendStatusLog(tr("  Board ID: %1").arg(_boardID));
-    _appendStatusLog(tr("  Flash size: %1").arg(_boardFlashSize));
+    _appendStatusLog("Connected to bootloader:");
+    _appendStatusLog(QString("  Version: %1").arg(_bootloaderVersion));
+    _appendStatusLog(QString("  Board ID: %1").arg(_bootloaderBoardID));
+    _appendStatusLog(QString("  Flash size: %1").arg(_bootloaderBoardFlashSize));
     
-    _getFirmwareFile();
+    if (_startFlashWhenBootloaderFound) {
+        flash(_startFlashWhenBootloaderFoundFirmwareType);
+    }
 }
 
 /// @brief Called when the findBootloader process is unable to sync to the bootloader. Moves the state
 ///         machine to the appropriate error state.
 void FirmwareUpgradeController::_bootloaderSyncFailed(void)
 {
-    _appendStatusLog(tr("Unable to sync with bootloader."));
-    _cancel();
-}
-
-/// @brief Called when the findBoard or findBootloader process times out. Moves the state machine to the
-///         appropriate error state.
-void FirmwareUpgradeController::_findTimeout(void)
-{
-    QString msg;
-    
-    if (_searchingForBoard) {
-        msg = tr("Unable to detect your board. If the board is currently connected via USB. Disconnect it and try Upgrade again.");
-    } else {
-        msg = tr("Unable to communicate with Bootloader. If the board is currently connected via USB. Disconnect it and try Upgrade again.");
-    }
-    _cancel();
-    emit showMessage("Error", msg);
+    _errorCancel("Unable to sync with bootloader.");
 }
 
 /// @brief Prompts the user to select a firmware file if needed and moves the state machine to the next state.
-void FirmwareUpgradeController::_getFirmwareFile(void)
+void FirmwareUpgradeController::_getFirmwareFile(FirmwareType_t firmwareType)
 {
-    static const char* rgPX4FMUV1Firmware[3] =
-    {
-        "http://px4-travis.s3.amazonaws.com/Firmware/stable/px4fmu-v1_default.px4",
-        "http://px4-travis.s3.amazonaws.com/Firmware/beta/px4fmu-v1_default.px4",
-        "http://px4-travis.s3.amazonaws.com/Firmware/master/px4fmu-v1_default.px4"
+    static DownloadLocationByFirmwareType_t rgPX4FMUV2Firmware[] = {
+        { PX4StableFirmware,            "http://px4-travis.s3.amazonaws.com/Firmware/stable/px4fmu-v2_default.px4" },
+        { PX4BetaFirmware,              "http://px4-travis.s3.amazonaws.com/Firmware/beta/px4fmu-v2_default.px4" },
+        { PX4DeveloperFirmware,         "http://px4-travis.s3.amazonaws.com/Firmware/master/px4fmu-v2_default.px4"},
+        { ApmArduCopterQuadFirmware,    "http://firmware.diydrones.com/Copter/stable/PX4-quad/ArduCopter-v2.px4" },
+        { ApmArduCopterX8Firmware,      "http://firmware.diydrones.com/Copter/stable/PX4-octa-quad/ArduCopter-v2.px4" },
+        { ApmArduCopterHexaFirmware,    "http://firmware.diydrones.com/Copter/stable/PX4-hexa/ArduCopter-v2.px4" },
+        { ApmArduCopterOctoFirmware,    "http://firmware.diydrones.com/Copter/stable/PX4-octa/ArduCopter-v2.px4" },
+        { ApmArduCopterYFirmware,       "http://firmware.diydrones.com/Copter/stable/PX4-tri/ArduCopter-v2.px4" },
+        { ApmArduCopterY6Firmware,      "http://firmware.diydrones.com/Copter/stable/PX4-y6/ArduCopter-v2.px4" },
+        { ApmArduCopterHeliFirmware,    "http://firmware.diydrones.com/Copter/stable/PX4-heli/ArduCopter-v2.px4" },
+        { ApmArduPlaneFirmware,         "http://firmware.diydrones.com/Plane/stable/PX4/ArduPlane-v2.px4" },
+        { ApmRoverFirmware,             "http://firmware.diydrones.com/Plane/stable/PX4/APMrover2-v2.px4" },
     };
+    static const size_t crgPX4FMUV2Firmware = sizeof(rgPX4FMUV2Firmware) / sizeof(rgPX4FMUV2Firmware[0]);
     
-    static const char* rgPX4FMUV2Firmware[3] =
-    {
-        "http://px4-travis.s3.amazonaws.com/Firmware/stable/px4fmu-v2_default.px4",
-        "http://px4-travis.s3.amazonaws.com/Firmware/beta/px4fmu-v2_default.px4",
-        "http://px4-travis.s3.amazonaws.com/Firmware/master/px4fmu-v2_default.px4"
+    static const DownloadLocationByFirmwareType_t rgAeroCoreFirmware[] = {
+        { PX4StableFirmware,    "http://s3-us-west-2.amazonaws.com/gumstix-aerocore/PX4/stable/aerocore_default.px4" },
+        { PX4BetaFirmware,      "http://s3-us-west-2.amazonaws.com/gumstix-aerocore/PX4/beta/aerocore_default.px4" },
+        { PX4DeveloperFirmware, "http://s3-us-west-2.amazonaws.com/gumstix-aerocore/PX4/master/aerocore_default.px4" },
     };
-
-    static const char* rgAeroCoreFirmware[3] =
-    {
-	"http://gumstix-aerocore.s3.amazonaws.com/PX4/stable/aerocore_default.px4",
-	"http://gumstix-aerocore.s3.amazonaws.com/PX4/beta/aerocore_default.px4",
-	"http://gumstix-aerocore.s3.amazonaws.com/PX4/master/aerocore_default.px4"
+    static const size_t crgAeroCoreFirmware = sizeof(rgAeroCoreFirmware) / sizeof(rgAeroCoreFirmware[0]);
+    
+    static const DownloadLocationByFirmwareType_t rgPX4FMUV1Firmware[] = {
+        { PX4StableFirmware,    "http://px4-travis.s3.amazonaws.com/Firmware/stable/px4fmu-v1_default.px4" },
+        { PX4BetaFirmware,      "http://px4-travis.s3.amazonaws.com/Firmware/beta/px4fmu-v1_default.px4" },
+        { PX4DeveloperFirmware, "http://px4-travis.s3.amazonaws.com/Firmware/master/px4fmu-v1_default.px4" },
     };
-
-    static const char* rgPX4FlowFirmware[3] =
-    {
-        "http://px4-travis.s3.amazonaws.com/Flow/master/px4flow.px4",
-        "http://px4-travis.s3.amazonaws.com/Flow/master/px4flow.px4",
-        "http://px4-travis.s3.amazonaws.com/Flow/master/px4flow.px4"
+    static const size_t crgPX4FMUV1Firmware = sizeof(rgPX4FMUV1Firmware) / sizeof(rgPX4FMUV1Firmware[0]);
+    
+    static const DownloadLocationByFirmwareType_t rgPX4FlowFirmware[] = {
+        { PX4StableFirmware, "http://px4-travis.s3.amazonaws.com/Flow/master/px4flow.px4" },
     };
+    static const size_t crgPX4FlowFirmware = sizeof(rgPX4FlowFirmware) / sizeof(rgPX4FlowFirmware[0]);
     
-    Q_ASSERT(sizeof(rgPX4FMUV1Firmware) == sizeof(rgPX4FMUV2Firmware) && sizeof(rgPX4FMUV1Firmware) == sizeof(rgPX4FlowFirmware));
+    static const DownloadLocationByFirmwareType_t rg3DRRadioFirmware[] = {
+        { PX4StableFirmware, "http://firmware.diydrones.com/SiK/stable/radio~hm_trp.ihx" },
+    };
+    static const size_t crg3DRRadioFirmware = sizeof(rg3DRRadioFirmware) / sizeof(rg3DRRadioFirmware[0]);
+    
+    // Select the firmware set based on board type
     
-    const char** prgFirmware;
-    switch (_boardID) {
-        case _boardIDPX4FMUV1:
+    const DownloadLocationByFirmwareType_t* prgFirmware;
+    size_t crgFirmware;
+    
+    switch (_bootloaderBoardID) {
+        case Bootloader::boardIDPX4FMUV1:
             prgFirmware = rgPX4FMUV1Firmware;
+            crgFirmware = crgPX4FMUV1Firmware;
             break;
             
-        case _boardIDPX4Flow:
+        case Bootloader::boardIDPX4Flow:
             prgFirmware = rgPX4FlowFirmware;
+            crgFirmware = crgPX4FlowFirmware;
             break;
             
-        case _boardIDPX4FMUV2:
+        case Bootloader::boardIDPX4FMUV2:
             prgFirmware = rgPX4FMUV2Firmware;
+            crgFirmware = crgPX4FMUV2Firmware;
             break;
-
-	case _boardIDAeroCore:
+            
+        case Bootloader::boardIDAeroCore:
             prgFirmware = rgAeroCoreFirmware;
+            crgFirmware = crgAeroCoreFirmware;
             break;
-
+            
+        case Bootloader::boardID3DRRadio:
+            prgFirmware = rg3DRRadioFirmware;
+            crgFirmware = crg3DRRadioFirmware;
+            break;
+            
         default:
             prgFirmware = NULL;
             break;
     }
-
-    if (prgFirmware == NULL && _firmwareType != CustomFirmware) {
-            QGCMessageBox::critical(tr("Firmware Upgrade"), tr("Attemping to flash an unknown board type, you must select 'Custom firmware file'"));
-            _cancel();
-            return;
+    
+    if (prgFirmware == NULL && firmwareType != PX4CustomFirmware) {
+        _errorCancel("Attempting to flash an unknown board type, you must select 'Custom firmware file'");
+        return;
     }
     
-    if (_firmwareType == CustomFirmware) {
+    if (firmwareType == PX4CustomFirmware) {
         _firmwareFilename = QGCFileDialog::getOpenFileName(NULL,                                                                // Parent to main window
-                                                           tr("Select Firmware File"),                                          // Dialog Caption
+                                                           "Select Firmware File",                                              // Dialog Caption
                                                            QStandardPaths::writableLocation(QStandardPaths::DocumentsLocation), // Initial directory
-                                                           tr("Firmware Files (*.px4 *.bin)"));                                 // File filter
+                                                           "Firmware Files (*.px4 *.bin *.ihx)");                               // File filter
     } else {
-        _firmwareFilename = prgFirmware[_firmwareType];
+        bool found = false;
+        
+        for (size_t i=0; i<crgFirmware; i++) {
+            if (prgFirmware->firmwareType == firmwareType) {
+                found = true;
+                break;
+            }
+            prgFirmware++;
+        }
+        
+        if (found) {
+            _firmwareFilename = prgFirmware->downloadLocation;
+        } else {
+            _errorCancel("Unable to find specified firmware download location");
+            return;
+        }
     }
     
     if (_firmwareFilename.isEmpty()) {
-        _cancel();
+        _errorCancel("No firmware file selected");
     } else {
         _downloadFirmware();
     }
@@ -234,8 +267,8 @@ void FirmwareUpgradeController::_downloadFirmware(void)
 {
     Q_ASSERT(!_firmwareFilename.isEmpty());
     
-    _appendStatusLog(tr("Downloading firmware..."));
-    _appendStatusLog(tr(" From: %1").arg(_firmwareFilename));
+    _appendStatusLog("Downloading firmware...");
+    _appendStatusLog(QString(" From: %1").arg(_firmwareFilename));
     
     // Split out filename from path
     QString firmwareFilename = QFileInfo(_firmwareFilename).fileName();
@@ -246,13 +279,12 @@ void FirmwareUpgradeController::_downloadFirmware(void)
     if (downloadFile.isEmpty()) {
         downloadFile = QStandardPaths::writableLocation(QStandardPaths::DownloadLocation);
         if (downloadFile.isEmpty()) {
-            _appendStatusLog(tr("Unabled to find writable download location. Tried downloads and temp directory."));
-            _cancel();
+            _errorCancel("Unabled to find writable download location. Tried downloads and temp directory.");
             return;
         }
     }
     Q_ASSERT(!downloadFile.isEmpty());
-    downloadFile += "/" + firmwareFilename;
+    downloadFile += "/"  + firmwareFilename;
 
     QUrl firmwareUrl;
     if (_firmwareFilename.startsWith("http:")) {
@@ -290,7 +322,7 @@ void FirmwareUpgradeController::_downloadProgress(qint64 curr, qint64 total)
 /// @brief Called when the firmware download completes.
 void FirmwareUpgradeController::_downloadFinished(void)
 {
-    _appendStatusLog(tr("Download complete"));
+    _appendStatusLog("Download complete");
     
     QNetworkReply* reply = qobject_cast<QNetworkReply*>(QObject::sender());
     Q_ASSERT(reply);
@@ -313,286 +345,72 @@ void FirmwareUpgradeController::_downloadFinished(void)
     // Store downloaded file in download location
     QFile file(downloadFilename);
     if (!file.open(QIODevice::WriteOnly)) {
-        _appendStatusLog(tr("Could not save downloaded file to %1. Error: %2").arg(downloadFilename).arg(file.errorString()));
-        _cancel();
+        _errorCancel(QString("Could not save downloaded file to %1. Error: %2").arg(downloadFilename).arg(file.errorString()));
         return;
     }
     
     file.write(reply->readAll());
     file.close();
+    FirmwareImage* image = new FirmwareImage(this);
     
+    connect(image, &FirmwareImage::statusMessage, this, &FirmwareUpgradeController::_status);
+    connect(image, &FirmwareImage::errorMessage, this, &FirmwareUpgradeController::_error);
     
-    if (downloadFilename.endsWith(".px4")) {
-        // We need to collect information from the .px4 file as well as pull the binary image out to a seperate file.
-        
-        QFile px4File(downloadFilename);
-        if (!px4File.open(QIODevice::ReadOnly | QIODevice::Text)) {
-            _appendStatusLog(tr("Unable to open firmware file %1, error: %2").arg(downloadFilename).arg(px4File.errorString()));
-            return;
-        }
-        
-        QByteArray bytes = px4File.readAll();
-        px4File.close();
-        QJsonDocument doc = QJsonDocument::fromJson(bytes);
-        
-        if (doc.isNull()) {
-            _appendStatusLog(tr("Supplied file is not a valid JSON document"));
-            _cancel();
-            return;
-        }
-        
-        QJsonObject px4Json = doc.object();
-
-        // Make sure the keys we need are available
-        static const char* rgJsonKeys[] = { "board_id", "image_size", "description", "git_identity" };
-        for (size_t i=0; i<sizeof(rgJsonKeys)/sizeof(rgJsonKeys[0]); i++) {
-            if (!px4Json.contains(rgJsonKeys[i])) {
-                _appendStatusLog(tr("Incorrectly formatted firmware file. No %1 key.").arg(rgJsonKeys[i]));
-                _cancel();
-                return;
-            }
-        }
-        
-        uint32_t firmwareBoardID = (uint32_t)px4Json.value(QString("board_id")).toInt();
-        if (firmwareBoardID != _boardID) {
-            _appendStatusLog(tr("Downloaded firmware board id does not match hardware board id: %1 != %2").arg(firmwareBoardID).arg(_boardID));
-            _cancel();
-            return;
-        }
-        
-        // Decompress the parameter xml and save to file
-        QByteArray decompressedBytes;
-        bool success = _decompressJsonValue(px4Json,               // JSON object
-                                            bytes,                 // Raw bytes of JSON document
-                                            "parameter_xml_size",  // key which holds byte size
-                                            "parameter_xml",       // key which holds compress bytes
-                                            decompressedBytes);    // Returned decompressed bytes
-        if (success) {
-            QSettings settings;
-            QDir parameterDir = QFileInfo(settings.fileName()).dir();
-            QString parameterFilename = parameterDir.filePath("PX4ParameterFactMetaData.xml");
-			qDebug() << parameterFilename;
-            QFile parameterFile(parameterFilename);
-            if (parameterFile.open(QIODevice::WriteOnly | QIODevice::Truncate)) {
-                qint64 bytesWritten = parameterFile.write(decompressedBytes);
-                if (bytesWritten != decompressedBytes.count()) {
-                    _appendStatusLog(tr("Write failed for parameter meta data file, error: %1").arg(parameterFile.errorString()));
-                    parameterFile.close();
-                    QFile::remove(parameterFilename);
-                } else {
-                    parameterFile.close();
-                }
-            } else {
-                _appendStatusLog(tr("Unable to open parameter meta data file %1 for writing, error: %2").arg(parameterFilename).arg(parameterFile.errorString()));
-            }
-            
-        }
-        
-        // FIXME: Save NYI
-        
-        // Decompress the image and save to file
-        _imageSize = px4Json.value(QString("image_size")).toInt();
-		success = _decompressJsonValue(px4Json,               // JSON object
-                                       bytes,                 // Raw bytes of JSON document
-                                       "image_size",          // key which holds byte size
-                                       "image",               // key which holds compress bytes
-                                       decompressedBytes);    // Returned decompressed bytes
-        if (!success) {
-            _cancel();
-            return;
-        }
-
-        // Pad image to 4-byte boundary
-        while ((decompressedBytes.count() % 4) != 0) {
-            decompressedBytes.append(static_cast<char>(static_cast<unsigned char>(0xFF)));
-        }
-        
-        // Store decompressed image file in same location as original download file
-        QDir downloadDir = QFileInfo(downloadFilename).dir();
-        QString decompressFilename = downloadDir.filePath("PX4FlashUpgrade.bin");
-        
-        QFile decompressFile(decompressFilename);
-        if (!decompressFile.open(QIODevice::WriteOnly | QIODevice::Truncate)) {
-            _appendStatusLog(tr("Unable to open decompressed file %1 for writing, error: %2").arg(decompressFilename).arg(decompressFile.errorString()));
-            _cancel();
-            return;
-        }
-        
-        qint64 bytesWritten = decompressFile.write(decompressedBytes);
-        if (bytesWritten != decompressedBytes.count()) {
-            _appendStatusLog(tr("Write failed for decompressed image file, error: %1").arg(decompressFile.errorString()));
-            _cancel();
-            return;
-        }
-        decompressFile.close();
-        
-        _firmwareFilename = decompressFilename;
-    } else if (downloadFilename.endsWith(".bin")) {
-        uint32_t firmwareBoardID = 0;
-        
-        // Take some educated guesses on board id based on firmware build system file name conventions
-        
-        if (downloadFilename.toLower().contains("px4fmu-v1")) {
-            firmwareBoardID = _boardIDPX4FMUV2;
-        } else if (downloadFilename.toLower().contains("px4flow")) {
-            firmwareBoardID = _boardIDPX4Flow;
-        } else if (downloadFilename.toLower().contains("px4fmu-v1")) {
-            firmwareBoardID = _boardIDPX4FMUV1;
-        } else if (downloadFilename.toLower().contains("aerocore")) {
-            firmwareBoardID = _boardIDAeroCore;
-	}
-        
-        if (firmwareBoardID != 0 &&  firmwareBoardID != _boardID) {
-            _appendStatusLog(tr("Downloaded firmware board id does not match hardware board id: %1 != %2").arg(firmwareBoardID).arg(_boardID));
-            _cancel();
-            return;
-        }
-        
-        _firmwareFilename = downloadFilename;
-        
-        QFile binFile(_firmwareFilename);
-        if (!binFile.open(QIODevice::ReadOnly)) {
-            _appendStatusLog(tr("Unabled to open firmware file %1, %2").arg(_firmwareFilename).arg(binFile.errorString()));
-            _cancel();
-            return;
-        }
-        _imageSize = (uint32_t)binFile.size();
-        binFile.close();
-    } else {
-        // Standard firmware builds (stable/continuous/...) are always .bin or .px4. Select file dialog for custom
-        // firmware filters to .bin and .px4. So we should never get a file that ends in anything else.
-        Q_ASSERT(false);
+    if (!image->load(downloadFilename, _bootloaderBoardID)) {
+        _errorCancel("Image load failed");
+        return;
     }
     
-    if (_imageSize > _boardFlashSize) {
-        _appendStatusLog(tr("Image size of %1 is too large for board flash size %2").arg(_imageSize).arg(_boardFlashSize));
-        _cancel();
+    // We can't proceed unless we have the bootloader
+    if (!_bootloaderFound) {
+        _errorCancel(QString("Bootloader not found").arg(_imageSize).arg(_bootloaderBoardFlashSize));
         return;
     }
-
-    _erase();
-}
-
-/// Decompress a set of bytes stored in a Json document.
-bool FirmwareUpgradeController::_decompressJsonValue(const QJsonObject&	jsonObject,			///< JSON object
-													 const QByteArray&	jsonDocBytes,		///< Raw bytes of JSON document
-													 const QString&		sizeKey,			///< key which holds byte size
-													 const QString&		bytesKey,			///< key which holds compress bytes
-													 QByteArray&		decompressedBytes)	///< Returned decompressed bytes
-{
-    // Validate decompressed size key
-    if (!jsonObject.contains(sizeKey)) {
-        _appendStatusLog(QString("Firmware file missing %1 key").arg(sizeKey));
-        return false;
-    }
-    int decompressedSize = jsonObject.value(QString(sizeKey)).toInt();
-    if (decompressedSize == 0) {
-        _appendStatusLog(QString("Firmware file has invalid decompressed size for %1").arg(sizeKey));
-        return false;
-    }
     
-	// XXX Qt's JSON string handling is terribly broken, strings
-	// with some length (18K / 25K) are just weirdly cut.
-	// The code below works around this by manually 'parsing'
-	// for the image string. Since its compressed / checksummed
-	// this should be fine.
-	
-	QStringList parts = QString(jsonDocBytes).split(QString("\"%1\": \"").arg(bytesKey));
-    if (parts.count() == 1) {
-        _appendStatusLog(QString("Could not find compressed bytes for %1 in Firmware file").arg(bytesKey));
-        return false;
-    }
-	parts = parts.last().split("\"");
-    if (parts.count() == 1) {
-        _appendStatusLog(QString("Incorrectly formed compressed bytes section for %1 in Firmware file").arg(bytesKey));
-        return false;
-    }
-	
-    // Store decompressed size as first four bytes. This is required by qUncompress routine.
-	QByteArray raw;
-	raw.append((unsigned char)((decompressedSize >> 24) & 0xFF));
-	raw.append((unsigned char)((decompressedSize >> 16) & 0xFF));
-	raw.append((unsigned char)((decompressedSize >> 8) & 0xFF));
-	raw.append((unsigned char)((decompressedSize >> 0) & 0xFF));
-	
-	QByteArray raw64 = parts.first().toUtf8();
-	raw.append(QByteArray::fromBase64(raw64));
-	decompressedBytes = qUncompress(raw);
-    
-    if (decompressedBytes.count() == 0) {
-        _appendStatusLog(QString("Firmware file has 0 length %1").arg(bytesKey));
-        return false;
-    }
-    if (decompressedBytes.count() != decompressedSize) {
-        _appendStatusLog(QString("Size for decompressed %1 does not match stored size: Expected(%1) Actual(%2)").arg(decompressedSize).arg(decompressedBytes.count()));
-        return false;
+    if (_bootloaderBoardFlashSize != 0 && _imageSize > _bootloaderBoardFlashSize) {
+        _errorCancel(QString("Image size of %1 is too large for board flash size %2").arg(_imageSize).arg(_bootloaderBoardFlashSize));
+        return;
     }
-    
-    _appendStatusLog(QString("Succesfully decompressed %1").arg(bytesKey));
-    return true;
+
+    _threadController->flash(image);
 }
 
 /// @brief Called when an error occurs during download
 void FirmwareUpgradeController::_downloadError(QNetworkReply::NetworkError code)
 {
+    QString errorMsg;
+    
     if (code == QNetworkReply::OperationCanceledError) {
-        _appendStatusLog(tr("Download cancelled"));
+        errorMsg = "Download cancelled";
     } else {
-        _appendStatusLog(tr("Error during download. Error: %1").arg(code));
+        errorMsg = QString("Error during download. Error: %1").arg(code);
     }
-    _cancel();
+    _errorCancel(errorMsg);
 }
 
-/// @brief Erase the board
-void FirmwareUpgradeController::_erase(void)
+/// @brief Signals completion of one of the specified bootloader commands. Moves the state machine to the
+///         appropriate next step.
+void FirmwareUpgradeController::_flashComplete(void)
 {
-    _appendStatusLog(tr("Erasing previous firmware..."));
-    
-    // We set up our own progress bar for erase since the erase command does not provide one
-    _eraseTickCount = 0;
-    _eraseTimer.start(_eraseTickMsec);
+    delete _image;
+    _image = NULL;
     
-    // Erase command
-    _threadController->erase();
+    _appendStatusLog("Upgrade complete", true);
+    _appendStatusLog("------------------------------------------", false);
+    emit flashComplete();
 }
 
-/// @brief Signals completion of one of the specified bootloader commands. Moves the state machine to the
-///         appropriate next step.
-void FirmwareUpgradeController::_complete(const int command)
+void FirmwareUpgradeController::_error(const QString& errorString)
 {
-    if (command == PX4FirmwareUpgradeThreadWorker::commandProgram) {
-        _appendStatusLog(tr("Verifying board programming..."));
-        _threadController->verify(_firmwareFilename);
-    } else if (command == PX4FirmwareUpgradeThreadWorker::commandVerify) {
-        _appendStatusLog(tr("Upgrade complete"));
-        QGCMessageBox::information(tr("Firmware Upgrade"), tr("Upgrade completed succesfully"));
-        _cancel();
-    } else if (command == PX4FirmwareUpgradeThreadWorker::commandErase) {
-        _eraseTimer.stop();
-        _appendStatusLog(tr("Flashing new firmware to board..."));
-        _threadController->program(_firmwareFilename);
-    } else if (command == PX4FirmwareUpgradeThreadWorker::commandCancel) {
-        // FIXME: This is no longer needed, no Cancel
-        if (_searchingForBoard) {
-            _appendStatusLog(tr("Board not found"));
-            _cancel();
-        } else {
-            _appendStatusLog(tr("Bootloader not found"));
-            _cancel();
-        }
-    } else {
-        Q_ASSERT(false);
-    }
+    delete _image;
+    _image = NULL;
+    
+    _errorCancel(QString("Error: %1").arg(errorString));
 }
 
-/// @brief Signals that an error has occured with the specified bootloader commands. Moves the state machine
-///         to the appropriate error state.
-void FirmwareUpgradeController::_error(const int command, const QString errorString)
+void FirmwareUpgradeController::_status(const QString& statusString)
 {
-    Q_UNUSED(command);
-    
-    _appendStatusLog(tr("Error: %1").arg(errorString));
-    _cancel();
+    _appendStatusLog(statusString);
 }
 
 /// @brief Updates the progress bar from long running bootloader commands
@@ -604,13 +422,6 @@ void FirmwareUpgradeController::_updateProgress(int curr, int total)
     }
 }
 
-/// @brief Resets the state machine back to the beginning
-void FirmwareUpgradeController::_restart(void)
-{
-    // FIXME: NYI
-    //_setupState(upgradeStateBegin);
-}
-
 /// @brief Moves the progress bar ahead on tick while erasing the board
 void FirmwareUpgradeController::_eraseProgressTick(void)
 {
@@ -618,33 +429,54 @@ void FirmwareUpgradeController::_eraseProgressTick(void)
     _progressBar->setProperty("value", (float)(_eraseTickCount*_eraseTickMsec) / (float)_eraseTotalMsec);
 }
 
-void FirmwareUpgradeController::doFirmwareUpgrade(void)
-{
-    Q_ASSERT(_upgradeButton);
-    _upgradeButton->setEnabled(false);
-    
-    _findBoard();
-}
-
 /// Appends the specified text to the status log area in the ui
-void FirmwareUpgradeController::_appendStatusLog(const QString& text)
+void FirmwareUpgradeController::_appendStatusLog(const QString& text, bool critical)
 {
     Q_ASSERT(_statusLog);
     
     QVariant returnedValue;
-    QVariant varText = text;
+    QVariant varText;
+    
+    if (critical) {
+        varText = QString("<font color=\"yellow\">%1</font>").arg(text);
+    } else {
+        varText = text;
+    }
+    
     QMetaObject::invokeMethod(_statusLog,
                               "append",
                               Q_RETURN_ARG(QVariant, returnedValue),
                               Q_ARG(QVariant, varText));
 }
 
-bool FirmwareUpgradeController::activeQGCConnections(void)
+bool FirmwareUpgradeController::qgcConnections(void)
 {
     return LinkManager::instance()->anyConnectedLinks();
 }
 
-bool FirmwareUpgradeController::pluggedInBoard(void)
+void FirmwareUpgradeController::_linkDisconnected(LinkInterface* link)
+{
+    Q_UNUSED(link);
+    emit qgcConnectionsChanged(qgcConnections());
+}
+
+void FirmwareUpgradeController::_errorCancel(const QString& msg)
+{
+    _appendStatusLog(msg, false);
+    _appendStatusLog("Upgrade cancelled", true);
+    _appendStatusLog("------------------------------------------", false);
+    emit error();
+    cancel();
+}
+
+void FirmwareUpgradeController::_eraseStarted(void)
+{
+    // We set up our own progress bar for erase since the erase command does not provide one
+    _eraseTickCount = 0;
+    _eraseTimer.start(_eraseTickMsec);
+}
+
+void FirmwareUpgradeController::_eraseComplete(void)
 {
-    return _threadController->pluggedInBoard();
+    _eraseTimer.stop();
 }

src/VehicleSetup/FirmwareUpgradeController.h

@@ -28,6 +28,8 @@
 #define FirmwareUpgradeController_H
 
 #include "PX4FirmwareUpgradeThread.h"
+#include "LinkManager.h"
+#include "FirmwareImage.h"
 
 #include <QObject>
 #include <QUrl>
@@ -51,37 +53,46 @@ public:
     
     /// Supported firmware types. If you modify these you will need to update the qml file as well.
     typedef enum {
-        StableFirmware,
-        BetaFirmware,
-        DeveloperFirmware,
-        CustomFirmware
+        PX4StableFirmware,
+        PX4BetaFirmware,
+        PX4DeveloperFirmware,
+        PX4CustomFirmware,
+        ApmArduCopterQuadFirmware,
+        ApmArduCopterX8Firmware,
+        ApmArduCopterHexaFirmware,
+        ApmArduCopterOctoFirmware,
+        ApmArduCopterYFirmware,
+        ApmArduCopterY6Firmware,
+        ApmArduCopterHeliFirmware,
+        ApmArduPlaneFirmware,
+        ApmRoverFirmware,
     } FirmwareType_t;
 
     Q_ENUMS(FirmwareType_t)
     
-    /// Firmare type to load
-    Q_PROPERTY(FirmwareType_t firmwareType READ firmwareType WRITE setFirmwareType)
+    Q_PROPERTY(QString boardPort READ boardPort NOTIFY boardFound)
+    Q_PROPERTY(QString boardDescription READ boardDescription NOTIFY boardFound)
+    Q_PROPERTY(QString boardType MEMBER _foundBoardType NOTIFY boardFound)
     
-    /// Upgrade push button in UI
-    Q_PROPERTY(QQuickItem* upgradeButton READ upgradeButton WRITE setUpgradeButton)
-
     /// TextArea for log output
     Q_PROPERTY(QQuickItem* statusLog READ statusLog WRITE setStatusLog)
     
     /// Progress bar for you know what
     Q_PROPERTY(QQuickItem* progressBar READ progressBar WRITE setProgressBar)
+
+    /// Returns true if there are active QGC connections
+    Q_PROPERTY(bool qgcConnections READ qgcConnections NOTIFY qgcConnectionsChanged)
     
-    Q_INVOKABLE bool activeQGCConnections(void);
-    Q_INVOKABLE bool pluggedInBoard(void);
+    /// Starts searching for boards on the background thread
+    Q_INVOKABLE void startBoardSearch(void);
     
-    /// Begins the firware upgrade process
-    Q_INVOKABLE void doFirmwareUpgrade(void);
-
-    FirmwareType_t firmwareType(void) { return _firmwareType; }
-    void setFirmwareType(FirmwareType_t firmwareType) { _firmwareType = firmwareType; }
+    /// Cancels whatever state the upgrade worker thread is in
+    Q_INVOKABLE void cancel(void);
     
-    QQuickItem* upgradeButton(void) { return _upgradeButton; }
-    void setUpgradeButton(QQuickItem* upgradeButton) { _upgradeButton = upgradeButton; }
+    /// Called when the firmware type has been selected by the user to continue the flash process.
+    Q_INVOKABLE void flash(FirmwareType_t firmwareType);
+    
+    // Property accessors
     
     QQuickItem* progressBar(void) { return _progressBar; }
     void setProgressBar(QQuickItem* progressBar) { _progressBar = progressBar; }
@@ -89,48 +100,61 @@ public:
     QQuickItem* statusLog(void) { return _statusLog; }
     void setStatusLog(QQuickItem* statusLog) { _statusLog = statusLog; }
     
+    bool qgcConnections(void);
+    
+    QString boardPort(void) { return _foundBoardInfo.portName(); }
+    QString boardDescription(void) { return _foundBoardInfo.description(); }
+    
 signals:
-    void showMessage(const QString& title, const QString& message);
+    void boardFound(void);
+    void noBoardFound(void);
+    void boardGone(void);
+    void flashComplete(void);
+    void flashCancelled(void);
+    void qgcConnectionsChanged(bool connections);
+    void error(void);
     
 private slots:
     void _downloadProgress(qint64 curr, qint64 total);
     void _downloadFinished(void);
     void _downloadError(QNetworkReply::NetworkError code);
-    void _foundBoard(bool firstTry, const QString portname, QString portDescription);
+    void _foundBoard(bool firstAttempt, const QSerialPortInfo& portInfo, int type);
+    void _noBoardFound(void);
+    void _boardGone();
     void _foundBootloader(int bootloaderVersion, int boardID, int flashSize);
-    void _error(const int command, const QString errorString);
+    void _error(const QString& errorString);
+    void _status(const QString& statusString);
     void _bootloaderSyncFailed(void);
-    void _findTimeout(void);
-    void _complete(const int command);
+    void _flashComplete(void);
     void _updateProgress(int curr, int total);
-    void _restart(void);
+    void _eraseStarted(void);
+    void _eraseComplete(void);
     void _eraseProgressTick(void);
+    void _linkDisconnected(LinkInterface* link);
 
 private:
-    void _findBoard(void);
-    void _findBootloader(void);
-    void _cancel(void);
-    void _getFirmwareFile(void);
+    void _getFirmwareFile(FirmwareType_t firmwareType);
     void _downloadFirmware(void);
-    void _erase(void);
-    void _appendStatusLog(const QString& text);
-	bool _decompressJsonValue(const QJsonObject&	jsonObject,
-							  const QByteArray&     jsonDocBytes,
-							  const QString&		sizeKey,
-                              const QString&		bytesKey,
-                              QByteArray&			decompressedBytes);
+    void _appendStatusLog(const QString& text, bool critical = false);
+    void _errorCancel(const QString& msg);
+    
+    typedef struct {
+        FirmwareType_t  firmwareType;
+        const char*     downloadLocation;
+    } DownloadLocationByFirmwareType_t;
     
     QString _portName;
     QString _portDescription;
-    uint32_t _bootloaderVersion;
-
-    static const int _boardIDPX4FMUV1 = 5;  ///< Board ID for PX4 V1 board
-    static const int _boardIDPX4FMUV2 = 9;  ///< Board ID for PX4 V2 board
-    static const int _boardIDPX4Flow = 6;   ///< Board ID for PX4 Flow board
-    static const int _boardIDAeroCore = 98;   ///< Board ID for Gumstix AeroCore board
 
-    uint32_t    _boardID;           ///< Board ID
-    uint32_t    _boardFlashSize;    ///< Flash size in bytes of board
+    /// Information which comes back from the bootloader
+    bool        _bootloaderFound;           ///< true: we have received the foundBootloader signals
+    uint32_t    _bootloaderVersion;         ///< Bootloader version
+    uint32_t    _bootloaderBoardID;         ///< Board ID
+    uint32_t    _bootloaderBoardFlashSize;  ///< Flash size in bytes of board
+    
+    bool            _startFlashWhenBootloaderFound;
+    FirmwareType_t  _startFlashWhenBootloaderFoundFirmwareType;
+    
     uint32_t    _imageSize;         ///< Image size of firmware being flashed
 
     QPixmap _boardIcon;             ///< Icon used to display image of board
@@ -151,12 +175,15 @@ private:
     static const int    _findBoardTimeoutMsec = 30000;      ///< Amount of time for user to plug in USB
     static const int    _findBootloaderTimeoutMsec = 5000;  ///< Amount time to look for bootloader
     
-    FirmwareType_t  _firmwareType;      ///< Firmware type to load
-    QQuickItem*     _upgradeButton;     ///< Upgrade button in ui
     QQuickItem*     _statusLog;         ///< Status log TextArea Qml control
     QQuickItem*     _progressBar;
     
     bool _searchingForBoard;    ///< true: searching for board, false: search for bootloader
+    
+    QSerialPortInfo _foundBoardInfo;
+    QString         _foundBoardType;
+    
+    FirmwareImage*  _image;
 };
 
 #endif

src/VehicleSetup/PX4FirmwareUpgradeThread.cc

@@ -26,20 +26,30 @@
 ///     @author Don Gagne <don@thegagnes.com>
 
 #include "PX4FirmwareUpgradeThread.h"
-#include "PX4Bootloader.h"
+#include "Bootloader.h"
+#include "QGCLoggingCategory.h"
+#include "QGC.h"
 
 #include <QTimer>
 #include <QSerialPortInfo>
 #include <QDebug>
+#include <QserialPort>
 
-PX4FirmwareUpgradeThreadWorker::PX4FirmwareUpgradeThreadWorker(QObject* parent) :
-    QObject(parent),
+PX4FirmwareUpgradeThreadWorker::PX4FirmwareUpgradeThreadWorker(PX4FirmwareUpgradeThreadController* controller) :
+    _controller(controller),
     _bootloader(NULL),
     _bootloaderPort(NULL),
-    _timerTimeout(NULL),
-    _timerRetry(NULL)   
+    _timerRetry(NULL),
+    _foundBoard(false),
+    _findBoardFirstAttempt(true)
 {
+    Q_ASSERT(_controller);
     
+    connect(_controller, &PX4FirmwareUpgradeThreadController::_initThreadWorker,            this, &PX4FirmwareUpgradeThreadWorker::_init);
+    connect(_controller, &PX4FirmwareUpgradeThreadController::_startFindBoardLoopOnThread,  this, &PX4FirmwareUpgradeThreadWorker::_startFindBoardLoop);
+    connect(_controller, &PX4FirmwareUpgradeThreadController::_flashOnThread,               this, &PX4FirmwareUpgradeThreadWorker::_flash);
+    connect(_controller, &PX4FirmwareUpgradeThreadController::_rebootOnThread,              this, &PX4FirmwareUpgradeThreadWorker::_reboot);
+    connect(_controller, &PX4FirmwareUpgradeThreadController::_cancel,                      this, &PX4FirmwareUpgradeThreadWorker::_cancel);
 }
 
 PX4FirmwareUpgradeThreadWorker::~PX4FirmwareUpgradeThreadWorker()
@@ -52,77 +62,112 @@ PX4FirmwareUpgradeThreadWorker::~PX4FirmwareUpgradeThreadWorker()
 
 /// @brief Initializes the PX4FirmwareUpgradeThreadWorker with the various child objects which must be created
 ///         on the worker thread.
-void PX4FirmwareUpgradeThreadWorker::init(void)
+void PX4FirmwareUpgradeThreadWorker::_init(void)
 {
     // We create the timers here so that they are on the right thread
     
-    Q_ASSERT(_timerTimeout == NULL);
-    _timerTimeout = new QTimer(this);
-    Q_CHECK_PTR(_timerTimeout);
-    connect(_timerTimeout, &QTimer::timeout, this, &PX4FirmwareUpgradeThreadWorker::timeout);
-    _timerTimeout->setSingleShot(true);
-    
     Q_ASSERT(_timerRetry == NULL);
     _timerRetry = new QTimer(this);
     Q_CHECK_PTR(_timerRetry);
     _timerRetry->setSingleShot(true);
     _timerRetry->setInterval(_retryTimeout);
+    connect(_timerRetry, &QTimer::timeout, this, &PX4FirmwareUpgradeThreadWorker::_findBoardOnce);
     
     Q_ASSERT(_bootloader == NULL);
-    _bootloader = new PX4Bootloader(this);
-    connect(_bootloader, &PX4Bootloader::updateProgramProgress, this, &PX4FirmwareUpgradeThreadWorker::_updateProgramProgress);
+    _bootloader = new Bootloader(this);
+    connect(_bootloader, &Bootloader::updateProgress, this, &PX4FirmwareUpgradeThreadWorker::_updateProgress);
 }
 
-void PX4FirmwareUpgradeThreadWorker::findBoard(int msecTimeout)
+void PX4FirmwareUpgradeThreadWorker::_cancel(void)
 {
+    if (_bootloaderPort) {
+        _bootloaderPort->close();
+        _bootloaderPort->deleteLater();
+        _bootloaderPort = NULL;
+    }
+}
+
+void PX4FirmwareUpgradeThreadWorker::_startFindBoardLoop(void)
+{
+    _foundBoard = false;
     _findBoardFirstAttempt = true;
-    connect(_timerRetry, &QTimer::timeout, this, &PX4FirmwareUpgradeThreadWorker::_findBoardOnce);
-    _timerTimeout->start(msecTimeout);
-    _elapsed.start();
     _findBoardOnce();
 }
 
 void PX4FirmwareUpgradeThreadWorker::_findBoardOnce(void)
 {
-    qDebug() << "_findBoardOnce";
+    qCDebug(FirmwareUpgradeLog) << "_findBoardOnce";
     
-    QString portName;
-    QString portDescription;
+    QSerialPortInfo                     portInfo;
+    PX4FirmwareUpgradeFoundBoardType_t  boardType;
     
-    foreach (QSerialPortInfo info, QSerialPortInfo::availablePorts()) {
-        if (!info.portName().isEmpty() && (info.description().contains("PX4") || info.vendorIdentifier() == 9900 /* 3DR */)) {
-            
-            qDebug() << "Found Board:";
-            qDebug() << "\tport name:" << info.portName();
-            qDebug() << "\tdescription:" << info.description();
-            qDebug() << "\tsystem location:" << info.systemLocation();
-            qDebug() << "\tvendor ID:" << info.vendorIdentifier();
-            qDebug() << "\tproduct ID:" << info.productIdentifier();
-            
-            portName = info.systemLocation();
-            portDescription = info.description();
-            
-            _closeFind();
-            emit foundBoard(_findBoardFirstAttempt, portName, portDescription);
-            return;
+    if (_findBoardFromPorts(portInfo, boardType)) {
+        if (!_foundBoard) {
+            _foundBoard = true;
+            _foundBoardPortInfo = portInfo;
+            emit foundBoard(_findBoardFirstAttempt, portInfo, boardType);
+            if (!_findBoardFirstAttempt) {
+                if (boardType == FoundBoard3drRadio) {
+                    _3drRadioForceBootloader(portInfo);
+                    return;
+                } else {
+                    _findBootloader(portInfo, false /* radio mode */, true /* errorOnNotFound */);
+                    return;
+                }
+            }
+        }
+    } else {
+        if (_foundBoard) {
+            _foundBoard = false;
+            qCDebug(FirmwareUpgradeLog) << "Board gone";
+            emit boardGone();
+        } else if (_findBoardFirstAttempt) {
+            emit noBoardFound();
         }
     }
     
     _findBoardFirstAttempt = false;
-    
-    emit updateProgress(_elapsed.elapsed(), _timerTimeout->interval());
     _timerRetry->start();
 }
 
-bool PX4FirmwareUpgradeThreadController::pluggedInBoard(void)
+bool PX4FirmwareUpgradeThreadWorker::_findBoardFromPorts(QSerialPortInfo& portInfo, PX4FirmwareUpgradeFoundBoardType_t& type)
 {
-    qDebug() << "pluggedInBoard";
-    
-    QString portName;
-    QString portDescription;
+    bool found = false;
     
     foreach (QSerialPortInfo info, QSerialPortInfo::availablePorts()) {
-        if (!info.portName().isEmpty() && (info.description().contains("PX4") || info.vendorIdentifier() == 9900 /* 3DR */)) {
+#if 0
+        qCDebug(FirmwareUpgradeLog) << "Serial Port --------------";
+        qCDebug(FirmwareUpgradeLog) << "\tport name:" << info.portName();
+        qCDebug(FirmwareUpgradeLog) << "\tdescription:" << info.description();
+        qCDebug(FirmwareUpgradeLog) << "\tsystem location:" << info.systemLocation();
+        qCDebug(FirmwareUpgradeLog) << "\tvendor ID:" << info.vendorIdentifier();
+        qCDebug(FirmwareUpgradeLog) << "\tproduct ID:" << info.productIdentifier();
+#endif
+        
+        if (!info.portName().isEmpty()) {
+            if (info.vendorIdentifier() == _px4VendorId) {
+                if (info.productIdentifier() == _pixhawkFMUV2ProductId) {
+                    qCDebug(FirmwareUpgradeLog) << "Found PX4 FMU V2";
+                    type = FoundBoardPX4FMUV2;
+                    found = true;
+                } else if (info.productIdentifier() == _pixhawkFMUV1ProductId) {
+                    qCDebug(FirmwareUpgradeLog) << "Found PX4 FMU V1";
+                    type = FoundBoardPX4FMUV2;
+                    found = true;
+                } else if (info.productIdentifier() == _flowProductId) {
+                    qCDebug(FirmwareUpgradeLog) << "Found PX4 Flow";
+                    type = FoundBoardPX4Flow;
+                    found = true;
+                }
+            } else if (info.vendorIdentifier() == _3drRadioVendorId && info.productIdentifier() == _3drRadioProductId) {
+                qCDebug(FirmwareUpgradeLog) << "Found 3DR Radio";
+                type = FoundBoard3drRadio;
+                found = true;
+            }
+        }
+        
+        if (found) {
+            portInfo = info;
             return true;
         }
     }
@@ -130,144 +175,197 @@ bool PX4FirmwareUpgradeThreadController::pluggedInBoard(void)
     return false;
 }
 
-void PX4FirmwareUpgradeThreadWorker::findBootloader(const QString portName, int msecTimeout)
+void PX4FirmwareUpgradeThreadWorker::_3drRadioForceBootloader(const QSerialPortInfo& portInfo)
 {
-    Q_UNUSED(msecTimeout);
+    // First make sure we can't get the bootloader
+    
+    if (_findBootloader(portInfo, true /* radio Mode */, false /* errorOnNotFound */)) {
+        return;
+    }
+
+    // Couldn't find the bootloader. We'll need to reboot the radio into bootloader.
+    
+    QSerialPort port(portInfo);
     
-    // Once the port shows up, we only try to connect to the bootloader a single time
-    _portName = portName;
-    _findBootloaderOnce();
+    port.setBaudRate(QSerialPort::Baud57600);
+    
+    emit status("Putting radio into command mode");
+    
+    // Wait a little while for the USB port to initialize. 3DR Radio boot is really slow.
+    for (int i=0; i<12; i++) {
+        if (port.open(QIODevice::ReadWrite)) {
+            break;
+        } else {
+            QGC::SLEEP::msleep(250);
+        }
+    }
+    
+    if (!port.isOpen()) {
+        emit error(QString("Unable to open port: %1 error: %2").arg(portInfo.systemLocation()).arg(port.errorString()));
+        return;
+    }
+
+    // Put radio into command mode
+    port.write("+++", 3);
+    if (!port.waitForReadyRead(1500)) {
+        emit error("Unable to put radio into command mode");
+        return;
+    }
+    QByteArray bytes = port.readAll();
+    if (!bytes.contains("OK")) {
+        emit error("Unable to put radio into command mode");
+        return;
+    }
+
+    emit status("Rebooting radio to bootloader");
+    
+    port.write("AT&UPDATE\r\n");
+    if (!port.waitForBytesWritten(1500)) {
+        emit error("Unable to reboot radio");
+        return;
+    }
+    QGC::SLEEP::msleep(2000);
+    port.close();
+    
+    // The bootloader should be waiting for us now
+    
+    _findBootloader(portInfo, true /* radio mode */, true /* errorOnNotFound */);
 }
 
-void PX4FirmwareUpgradeThreadWorker::_findBootloaderOnce(void)
+bool PX4FirmwareUpgradeThreadWorker::_findBootloader(const QSerialPortInfo& portInfo, bool radioMode, bool errorOnNotFound)
 {
-    qDebug() << "_findBootloaderOnce";
+    qCDebug(FirmwareUpgradeLog) << "_findBootloader";
     
-    uint32_t    bootloaderVersion, boardID, flashSize;
+    uint32_t bootloaderVersion = 0;
+    uint32_t boardID;
+    uint32_t flashSize = 0;
 
+    
     _bootloaderPort = new QextSerialPort(QextSerialPort::Polling);
     Q_CHECK_PTR(_bootloaderPort);
     
-    if (_bootloader->open(_bootloaderPort, _portName)) {
-        if (_bootloader->sync(_bootloaderPort)) {
-            if (_bootloader->getBoardInfo(_bootloaderPort, bootloaderVersion, boardID, flashSize)) {
-                _closeFind();
-                qDebug() << "Found bootloader";
-                emit foundBootloader(bootloaderVersion, boardID, flashSize);
-                return;
-            }
+    // Wait a little while for the USB port to initialize.
+    for (int i=0; i<10; i++) {
+        if (_bootloader->open(_bootloaderPort, portInfo.systemLocation())) {
+            break;
+        } else {
+            QGC::SLEEP::msleep(100);
+        }
+    }
+    
+    QGC::SLEEP::msleep(2000);
+    
+    if (_bootloader->sync(_bootloaderPort)) {
+        bool success;
+        
+        if (radioMode) {
+            success = _bootloader->get3DRRadioBoardId(_bootloaderPort, boardID);
+        } else {
+            success = _bootloader->getPX4BoardInfo(_bootloaderPort, bootloaderVersion, boardID, flashSize);
+        }
+        if (success) {
+            qCDebug(FirmwareUpgradeLog) << "Found bootloader";
+            emit foundBootloader(bootloaderVersion, boardID, flashSize);
+            return true;
         }
     }
     
-    _closeFind();
     _bootloaderPort->close();
     _bootloaderPort->deleteLater();
     _bootloaderPort = NULL;
-    qDebug() << "Bootloader error:" << _bootloader->errorString();
-    emit error(commandBootloader, _bootloader->errorString());
-}
-
-void PX4FirmwareUpgradeThreadWorker::_closeFind(void)
-{
-    emit updateProgress(100, 100);
-    disconnect(_timerRetry, SIGNAL(timeout()), 0, 0);
-    _timerRetry->stop();
-    _timerTimeout->stop();
-}
-
-void PX4FirmwareUpgradeThreadWorker::cancelFind(void)
-{
-    _closeFind();
-    emit complete(commandCancel);
-}
-
-void PX4FirmwareUpgradeThreadWorker::timeout(void)
-{
-    qDebug() << "Find timeout";
-    _closeFind();
-    emit findTimeout();
+    qCDebug(FirmwareUpgradeLog) << "Bootloader error:" << _bootloader->errorString();
+    if (errorOnNotFound) {
+        emit error(_bootloader->errorString());
+    }
+    
+    return false;
 }
 
-void PX4FirmwareUpgradeThreadWorker::sendBootloaderReboot(void)
+void PX4FirmwareUpgradeThreadWorker::_reboot(void)
 {
     if (_bootloaderPort) {
         if (_bootloaderPort->isOpen()) {
-            _bootloader->sendBootloaderReboot(_bootloaderPort);
+            _bootloader->reboot(_bootloaderPort);
         }
         _bootloaderPort->deleteLater();
         _bootloaderPort = NULL;
     }
 }
 
-void PX4FirmwareUpgradeThreadWorker::program(const QString firmwareFilename)
-{
-    qDebug() << "Program";
-    if (!_bootloader->program(_bootloaderPort, firmwareFilename)) {
-        _bootloaderPort->deleteLater();
-        _bootloaderPort = NULL;
-        qDebug() << "Program failed:" << _bootloader->errorString();
-        emit error(commandProgram, _bootloader->errorString());
-    } else {
-        qDebug() << "Program complete";
-        emit complete(commandProgram);
-    }
-}
-
-void PX4FirmwareUpgradeThreadWorker::verify(const QString firmwareFilename)
+void PX4FirmwareUpgradeThreadWorker::_flash(void)
 {
-    qDebug() << "Verify";
-    if (!_bootloader->verify(_bootloaderPort, firmwareFilename)) {
-        qDebug() << "Verify failed:" << _bootloader->errorString();
-        emit error(commandVerify, _bootloader->errorString());
-    } else {
-        qDebug() << "Verify complete";
-        emit complete(commandVerify);
+    qCDebug(FirmwareUpgradeLog) << "PX4FirmwareUpgradeThreadWorker::_flash";
+    
+    if (_erase()) {
+        emit status("Programming new version...");
+        
+        if (_bootloader->program(_bootloaderPort, _controller->image())) {
+            qCDebug(FirmwareUpgradeLog) << "Program complete";
+            emit status("Program complete");
+        } else {
+            _bootloaderPort->deleteLater();
+            _bootloaderPort = NULL;
+            qCDebug(FirmwareUpgradeLog) << "Program failed:" << _bootloader->errorString();
+            emit error(_bootloader->errorString());
+        }
+        
+        emit status("Verifying program...");
+        
+        if (_bootloader->verify(_bootloaderPort, _controller->image())) {
+            qCDebug(FirmwareUpgradeLog) << "Verify complete";
+            emit status("Verify complete");
+        } else {
+            qCDebug(FirmwareUpgradeLog) << "Verify failed:" << _bootloader->errorString();
+            emit error(_bootloader->errorString());
+        }
     }
-    _bootloaderPort->deleteLater();
-    _bootloaderPort = NULL;
+    
+    emit _reboot();
+    
+    emit flashComplete();
 }
 
-void PX4FirmwareUpgradeThreadWorker::erase(void)
+bool PX4FirmwareUpgradeThreadWorker::_erase(void)
 {
-    qDebug() << "Erase";
-    if (!_bootloader->erase(_bootloaderPort)) {
-        _bootloaderPort->deleteLater();
-        _bootloaderPort = NULL;
-        qDebug() << "Erase failed:" << _bootloader->errorString();
-        emit error(commandErase, _bootloader->errorString());
+    qCDebug(FirmwareUpgradeLog) << "PX4FirmwareUpgradeThreadWorker::_erase";
+    
+    emit eraseStarted();
+    emit status("Erasing previous program...");
+    
+    if (_bootloader->erase(_bootloaderPort)) {
+        qCDebug(FirmwareUpgradeLog) << "Erase complete";
+        emit status("Erase complete");
+        emit eraseComplete();
+        return true;
     } else {
-        qDebug() << "Erase complete";
-        emit complete(commandErase);
+        qCDebug(FirmwareUpgradeLog) << "Erase failed:" << _bootloader->errorString();
+        emit error(_bootloader->errorString());
+        return false;
     }
 }
 
 PX4FirmwareUpgradeThreadController::PX4FirmwareUpgradeThreadController(QObject* parent) :
     QObject(parent)
 {
-    _worker = new PX4FirmwareUpgradeThreadWorker();
+    _worker = new PX4FirmwareUpgradeThreadWorker(this);
     Q_CHECK_PTR(_worker);
     
     _workerThread = new QThread(this);
     Q_CHECK_PTR(_workerThread);
     _worker->moveToThread(_workerThread);
     
-    connect(_worker, &PX4FirmwareUpgradeThreadWorker::foundBoard, this, &PX4FirmwareUpgradeThreadController::_foundBoard);
-    connect(_worker, &PX4FirmwareUpgradeThreadWorker::foundBootloader, this, &PX4FirmwareUpgradeThreadController::_foundBootloader);
+    connect(_worker, &PX4FirmwareUpgradeThreadWorker::updateProgress,       this, &PX4FirmwareUpgradeThreadController::_updateProgress);
+    connect(_worker, &PX4FirmwareUpgradeThreadWorker::foundBoard,           this, &PX4FirmwareUpgradeThreadController::_foundBoard);
+    connect(_worker, &PX4FirmwareUpgradeThreadWorker::noBoardFound,         this, &PX4FirmwareUpgradeThreadController::_noBoardFound);
+    connect(_worker, &PX4FirmwareUpgradeThreadWorker::boardGone,            this, &PX4FirmwareUpgradeThreadController::_boardGone);
+    connect(_worker, &PX4FirmwareUpgradeThreadWorker::foundBootloader,      this, &PX4FirmwareUpgradeThreadController::_foundBootloader);
     connect(_worker, &PX4FirmwareUpgradeThreadWorker::bootloaderSyncFailed, this, &PX4FirmwareUpgradeThreadController::_bootloaderSyncFailed);
-    connect(_worker, &PX4FirmwareUpgradeThreadWorker::error, this, &PX4FirmwareUpgradeThreadController::_error);
-    connect(_worker, &PX4FirmwareUpgradeThreadWorker::complete, this, &PX4FirmwareUpgradeThreadController::_complete);
-    connect(_worker, &PX4FirmwareUpgradeThreadWorker::findTimeout, this, &PX4FirmwareUpgradeThreadController::_findTimeout);
-    connect(_worker, &PX4FirmwareUpgradeThreadWorker::updateProgress, this, &PX4FirmwareUpgradeThreadController::_updateProgress);
+    connect(_worker, &PX4FirmwareUpgradeThreadWorker::error,                this, &PX4FirmwareUpgradeThreadController::_error);
+    connect(_worker, &PX4FirmwareUpgradeThreadWorker::status,               this, &PX4FirmwareUpgradeThreadController::_status);
+    connect(_worker, &PX4FirmwareUpgradeThreadWorker::eraseStarted,         this, &PX4FirmwareUpgradeThreadController::_eraseStarted);
+    connect(_worker, &PX4FirmwareUpgradeThreadWorker::eraseComplete,        this, &PX4FirmwareUpgradeThreadController::_eraseComplete);
+    connect(_worker, &PX4FirmwareUpgradeThreadWorker::flashComplete,        this, &PX4FirmwareUpgradeThreadController::_flashComplete);
 
-    connect(this, &PX4FirmwareUpgradeThreadController::_initThreadWorker, _worker, &PX4FirmwareUpgradeThreadWorker::init);
-    connect(this, &PX4FirmwareUpgradeThreadController::_findBoardOnThread, _worker, &PX4FirmwareUpgradeThreadWorker::findBoard);
-    connect(this, &PX4FirmwareUpgradeThreadController::_findBootloaderOnThread, _worker, &PX4FirmwareUpgradeThreadWorker::findBootloader);
-    connect(this, &PX4FirmwareUpgradeThreadController::_sendBootloaderRebootOnThread, _worker, &PX4FirmwareUpgradeThreadWorker::sendBootloaderReboot);
-    connect(this, &PX4FirmwareUpgradeThreadController::_programOnThread, _worker, &PX4FirmwareUpgradeThreadWorker::program);
-    connect(this, &PX4FirmwareUpgradeThreadController::_verifyOnThread, _worker, &PX4FirmwareUpgradeThreadWorker::verify);
-    connect(this, &PX4FirmwareUpgradeThreadController::_eraseOnThread, _worker, &PX4FirmwareUpgradeThreadWorker::erase);
-    connect(this, &PX4FirmwareUpgradeThreadController::_cancelFindOnThread, _worker, &PX4FirmwareUpgradeThreadWorker::cancelFind);
-    
     _workerThread->start();
     
     emit _initThreadWorker();
@@ -277,36 +375,24 @@ PX4FirmwareUpgradeThreadController::~PX4FirmwareUpgradeThreadController()
 {
     _workerThread->quit();
     _workerThread->wait();
+    
+    delete _workerThread;
 }
 
-void PX4FirmwareUpgradeThreadController::findBoard(int msecTimeout)
-{
-    qDebug() << "PX4FirmwareUpgradeThreadController::findBoard";
-    emit _findBoardOnThread(msecTimeout);
-}
-
-void PX4FirmwareUpgradeThreadController::findBootloader(const QString& portName, int msecTimeout)
-{
-    qDebug() << "PX4FirmwareUpgradeThreadController::findBootloader";
-    emit _findBootloaderOnThread(portName, msecTimeout);
-}
-
-void PX4FirmwareUpgradeThreadController::_foundBoard(bool firstTry, const QString portName, QString portDescription)
+void PX4FirmwareUpgradeThreadController::startFindBoardLoop(void)
 {
-    emit foundBoard(firstTry, portName, portDescription);
+    qCDebug(FirmwareUpgradeLog) << "PX4FirmwareUpgradeThreadController::findBoard";
+    emit _startFindBoardLoopOnThread();
 }
 
-void PX4FirmwareUpgradeThreadController::_foundBootloader(int bootloaderVersion, int boardID, int flashSize)
+void PX4FirmwareUpgradeThreadController::cancel(void)
 {
-    emit foundBootloader(bootloaderVersion, boardID, flashSize);
-}
-
-void PX4FirmwareUpgradeThreadController::_bootloaderSyncFailed(void)
-{    
-    emit bootloaderSyncFailed();
+    qCDebug(FirmwareUpgradeLog) << "PX4FirmwareUpgradeThreadController::cancel";
+    emit _cancel();
 }
 
-void PX4FirmwareUpgradeThreadController::_findTimeout(void)
+void PX4FirmwareUpgradeThreadController::flash(const FirmwareImage* image)
 {
-    emit findTimeout();
+    _image = image;
+    emit _flashOnThread();
 }

src/VehicleSetup/PX4FirmwareUpgradeThread.h

@@ -28,16 +28,27 @@
 #ifndef PX4FirmwareUpgradeThread_H
 #define PX4FirmwareUpgradeThread_H
 
+#include "Bootloader.h"
+#include "FirmwareImage.h"
+
 #include <QObject>
 #include <QThread>
 #include <QTimer>
 #include <QTime>
+#include <QSerialPortInfo>
 
 #include "qextserialport.h"
 
 #include <stdint.h>
 
-#include "PX4Bootloader.h"
+typedef enum {
+    FoundBoardPX4FMUV1,
+    FoundBoardPX4FMUV2,
+    FoundBoardPX4Flow,
+    FoundBoard3drRadio
+} PX4FirmwareUpgradeFoundBoardType_t;
+
+class PX4FirmwareUpgradeThreadController;
 
 /// @brief Used to run bootloader commands on a seperate thread. These routines are mainly meant to to be called
 ///         internally by the PX4FirmwareUpgradeThreadController. Clients should call the various public methods
@@ -47,52 +58,59 @@ class PX4FirmwareUpgradeThreadWorker : public QObject
     Q_OBJECT
     
 public:
-    PX4FirmwareUpgradeThreadWorker(QObject* parent = NULL);
+    PX4FirmwareUpgradeThreadWorker(PX4FirmwareUpgradeThreadController* controller);
     ~PX4FirmwareUpgradeThreadWorker();
     
-    enum {
-        commandBootloader,
-        commandProgram,
-        commandVerify,
-        commandErase,
-        commandCancel
-    };
-    
-public slots:
-    void init(void);
-    void findBoard(int msecTimeout);
-    void findBootloader(const QString portName, int msecTimeout);
-    void timeout(void);
-    void cancelFind(void);
-    void sendBootloaderReboot(void);
-    void program(const QString firmwareFilename);
-    void verify(const QString firmwareFilename);
-    void erase(void);
-    
 signals:
-    void foundBoard(bool firstTry, const QString portname, QString portDescription);
+    void updateProgress(int curr, int total);
+    void foundBoard(bool firstAttempt, const QSerialPortInfo& portInfo, int type);
+    void noBoardFound(void);
+    void boardGone(void);
     void foundBootloader(int bootloaderVersion, int boardID, int flashSize);
     void bootloaderSyncFailed(void);
-    void error(const int command, const QString errorString);
-    void complete(const int command);
-    void findTimeout(void);
-    void updateProgress(int curr, int total);
+    void error(const QString& errorString);
+    void status(const QString& statusText);
+    void eraseStarted(void);
+    void eraseComplete(void);
+    void flashComplete(void);
     
 private slots:
+    void _init(void);
+    void _startFindBoardLoop(void);
+    void _reboot(void);
+    void _flash(void);
     void _findBoardOnce(void);
-    void _findBootloaderOnce(void);
-    void _updateProgramProgress(int curr, int total) { emit updateProgress(curr, total); }
-    void _closeFind(void);
+    void _updateProgress(int curr, int total) { emit updateProgress(curr, total); }
+    void _cancel(void);
     
 private:
-    PX4Bootloader*      _bootloader;
+    bool _findBoardFromPorts(QSerialPortInfo& portInfo, PX4FirmwareUpgradeFoundBoardType_t& type);
+    bool _findBootloader(const QSerialPortInfo& portInfo, bool radioMode, bool errorOnNotFound);
+    void _3drRadioForceBootloader(const QSerialPortInfo& portInfo);
+    bool _erase(void);
+    
+    PX4FirmwareUpgradeThreadController* _controller;
+    
+    Bootloader*      _bootloader;
     QextSerialPort*     _bootloaderPort;
-    QTimer*             _timerTimeout;
     QTimer*             _timerRetry;
     QTime               _elapsed;
-    QString             _portName;
     static const int    _retryTimeout = 1000;
-    bool                _findBoardFirstAttempt;
+    
+    bool                _foundBoard;            ///< true: board is currently connected
+    bool                _findBoardFirstAttempt; ///< true: this is our first try looking for a board
+    QSerialPortInfo     _foundBoardPortInfo;    ///< port info for found board
+    
+    // Serial port info for supported devices
+    
+    static const int    _px4VendorId = 9900;
+    
+    static const int    _pixhawkFMUV2ProductId = 17;
+    static const int    _pixhawkFMUV1ProductId = 16;
+    static const int    _flowProductId = 21;
+    
+    static const int    _3drRadioVendorId = 1027;
+    static const int    _3drRadioProductId = 24597;
 };
 
 /// @brief Provides methods to interact with the bootloader. The commands themselves are signalled
@@ -105,82 +123,74 @@ public:
     PX4FirmwareUpgradeThreadController(QObject* parent = NULL);
     ~PX4FirmwareUpgradeThreadController(void);
     
-    /// Returns true is a board is currently connected via USB
-    bool pluggedInBoard(void);
-    
-    /// @brief Begins the process of searching for a PX4 board connected to any serial port.
-    ///     @param msecTimeout Numbers of msecs to continue looking for a board to become available.
-    void findBoard(int msecTimeout);
-    
-    /// @brief Begins the process of attempting to communicate with the bootloader on the specified port.
-    ///     @param portName Name of port to attempt a bootloader connection on.
-    ///     @param msecTimeout Number of msecs to continue to wait for a bootloader to appear on the port.
-    void findBootloader(const QString& portName, int msecTimeout);
+    /// @brief Begins the process of searching for a supported board connected to any serial port. This will
+    /// continue until cancelFind is called. Signals foundBoard and boardGone as boards come and go.
+    void startFindBoardLoop(void);
     
-    /// @brief Cancel an in progress findBoard or FindBootloader
-    void cancelFind(void) { emit _cancelFindOnThread(); }
+    void cancel(void);
     
     /// @brief Sends a reboot command to the bootloader
-    void sendBootloaderReboot(void) { emit _sendBootloaderRebootOnThread(); }
+    void reboot(void) { emit _rebootOnThread(); }
     
-    /// @brief Flash the specified firmware onto the board
-    void program(const QString firmwareFilename) { emit _programOnThread(firmwareFilename); }
+    void flash(const FirmwareImage* image);
     
-    /// @brief Verify the board flash with respect to the specified firmware image
-    void verify(const QString firmwareFilename) { emit _verifyOnThread(firmwareFilename); }
+    const FirmwareImage* image(void) { return _image; }
     
-    /// @brief Send and erase command to the bootloader
-    void erase(void) { emit _eraseOnThread(); }
-
 signals:
-    /// @brief Emitted by the findBoard process when it finds the board.
-    ///     @param firstTry true: board found on first attempt
-    ///     @param portName Port that board is on
-    ///     @param portDescription User friendly port description
-    void foundBoard(bool firstTry, const QString portname, QString portDescription);
+    /// @brief Emitted by the find board process when it finds a board.
+    void foundBoard(bool firstAttempt, const QSerialPortInfo &portInfo, int type);
+    
+    void noBoardFound(void);
+    
+    /// @brief Emitted by the find board process when a board it previously reported as found disappears.
+    void boardGone(void);
     
     /// @brief Emitted by the findBootloader process when has a connection to the bootloader
     void foundBootloader(int bootloaderVersion, int boardID, int flashSize);
     
     /// @brief Emitted by the bootloader commands when an error occurs.
-    ///     @param errorCommand Command which caused the error, using PX4FirmwareUpgradeThreadWorker command* enum values
-    void error(const int errorCommand, const QString errorString);
+    void error(const QString& errorString);
+    
+    void status(const QString& status);
     
     /// @brief Signalled when the findBootloader process connects to the port, but cannot sync to the
     ///         bootloader.
     void bootloaderSyncFailed(void);
     
-    /// @brief Signalled when the findBoard or findBootloader process times out before success
-    void findTimeout(void);
+    void eraseStarted(void);
+    void eraseComplete(void);
     
-    /// @brief Signalled by the bootloader commands other than find* that they have complete successfully.
-    ///     @param command Command which completed, using PX4FirmwareUpgradeThreadWorker command* enum values
-    void complete(const int command);
+    void flashComplete(void);
     
     /// @brief Signalled to update progress for long running bootloader commands
     void updateProgress(int curr, int total);
     
+    // Internal signals to communicate with thread worker
     void _initThreadWorker(void);
-    void _findBoardOnThread(int msecTimeout);
-    void _findBootloaderOnThread(const QString& portName, int msecTimeout);
-    void _sendBootloaderRebootOnThread(void);
-    void _programOnThread(const QString firmwareFilename);
-    void _verifyOnThread(const QString firmwareFilename);
-    void _eraseOnThread(void);
-    void _cancelFindOnThread(void);
+    void _startFindBoardLoopOnThread(void);
+    void _rebootOnThread(void);
+    void _flashOnThread(void);
+    void _cancel(void);
     
 private slots:
-    void _foundBoard(bool firstTry, const QString portname, QString portDescription);
-    void _foundBootloader(int bootloaderVersion, int boardID, int flashSize);
-    void _bootloaderSyncFailed(void);
-    void _error(const int errorCommand, const QString errorString) { emit error(errorCommand, errorString); }
-    void _complete(const int command) { emit complete(command); }
-    void _findTimeout(void);
-    void _updateProgress(int curr, int total) { emit updateProgress(curr, total); }
+    void _foundBoard(bool firstAttempt, const QSerialPortInfo& portInfo, int type) { emit foundBoard(firstAttempt, portInfo, type); }
+    void _noBoardFound(void) { emit noBoardFound(); }
+    void _boardGone(void) { emit boardGone(); }
+    void _foundBootloader(int bootloaderVersion, int boardID, int flashSize) { emit foundBootloader(bootloaderVersion, boardID, flashSize); }
+    void _bootloaderSyncFailed(void) { emit bootloaderSyncFailed(); }
+    void _error(const QString& errorString) { emit error(errorString); }
+    void _status(const QString& statusText) { emit status(statusText); }
+    void _eraseStarted(void) { emit eraseStarted(); }
+    void _eraseComplete(void) { emit eraseComplete(); }
+    void _flashComplete(void) { emit flashComplete(); }
     
 private:
+    void _updateProgress(int curr, int total) { emit updateProgress(curr, total); }
+    
     PX4FirmwareUpgradeThreadWorker* _worker;
     QThread*                        _workerThread;  ///< Thread which PX4FirmwareUpgradeThreadWorker runs on
+    
+    const FirmwareImage* _image;
 };
 
 #endif

src/main.cc

@@ -30,6 +30,7 @@ This file is part of the QGROUNDCONTROL project
 
 #include <QApplication>
 #include <QSslSocket>
+#include <QSerialPortInfo>
 
 #include "QGCApplication.h"
 #include "MainWindow.h"
@@ -49,6 +50,7 @@ This file is part of the QGROUNDCONTROL project
 #undef main
 #endif
 
+Q_DECLARE_METATYPE(QSerialPortInfo)
 
 #ifdef Q_OS_WIN
 
@@ -107,6 +109,8 @@ int main(int argc, char *argv[])
     qRegisterMetaType<QSerialPort::SerialPortError>();
 #endif
     qRegisterMetaType<QAbstractSocket::SocketError>();
+    qRegisterMetaType<QSerialPortInfo>();
+    
     // We statically link to the google QtLocation plugin
 
 #ifdef Q_OS_WIN