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Safeguard against writing a wrong firmware to a different hardware version

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This commit is contained in:
Jan Käberich 2023-02-17 17:30:22 +01:00
parent 0fd9d35a5d
commit 8ac9707242
3 changed files with 27 additions and 3 deletions
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2
Software/PC_Application/LibreVNA-GUI/Device/LibreVNA/firmwareupdatedialog.cpp
View File

@ -59,7 +59,7 @@ void FirmwareUpdateDialog::on_bStart_clicked()
}
char header[24];
file->read(header, sizeof(header));
if(strncmp(header, "VNA!", 4)) {
if(strncmp(header, dev->getFirmwareMagicString().toStdString().c_str(), 4)) {
abortWithError("Invalid magic header constant");
return;
}

24
Software/PC_Application/LibreVNA-GUI/Device/LibreVNA/librevnadriver.cpp
View File

@ -108,6 +108,7 @@ LibreVNADriver::LibreVNADriver()
connected = false;
skipOwnPacketHandling = false;
SApoints = 0;
hardwareVersion = 0;
setSynchronization(Synchronization::Disabled, false);
auto manual = new QAction("Manual Control");
@ -182,7 +183,7 @@ std::set<DeviceDriver::Flag> LibreVNADriver::getFlags()
QString LibreVNADriver::getStatus()
{
QString ret;
ret.append("HW Rev.");
ret.append("HW ");
ret.append(info.hardware_version);
ret.append(" FW "+info.firmware_version);
ret.append(" Temps: "+QString::number(lastStatus.temp_source)+"°C/"+QString::number(lastStatus.temp_LO1)+"°C/"+QString::number(lastStatus.temp_MCU)+"°C");
@ -555,8 +556,9 @@ void LibreVNADriver::handleReceivedPacket(const Protocol::PacketInfo &packet)
}
}
hardwareVersion = packet.info.hardware_version;
info.firmware_version = QString::number(packet.info.FW_major)+"."+QString::number(packet.info.FW_minor)+"."+QString::number(packet.info.FW_patch);
info.hardware_version = QString::number(packet.info.hardware_version)+QString(packet.info.HW_Revision);
info.hardware_version = hardwareVersionToString(packet.info.hardware_version)+" Rev."+QString(packet.info.HW_Revision);
info.supportedFeatures = {
Feature::VNA, Feature::VNAFrequencySweep, Feature::VNALogSweep, Feature::VNAPowerSweep, Feature::VNAZeroSpan,
Feature::Generator,
@ -658,11 +660,29 @@ void LibreVNADriver::updateIFFrequencies()
SendPacket(p);
}
QString LibreVNADriver::hardwareVersionToString(uint8_t version)
{
switch(version) {
case 1: return "1";
case 255: return "PT";
default: return "Unknown";
}
}
unsigned int LibreVNADriver::getMaxAmplitudePoints() const
{
return limits_maxAmplitudePoints;
}
QString LibreVNADriver::getFirmwareMagicString()
{
switch(hardwareVersion) {
case 1: return "VNA!";
case 255: return "VNPT";
default: return "XXXX";
}
}
bool LibreVNADriver::sendWithoutPayload(Protocol::PacketType type, std::function<void(TransmissionResult)> cb)
{
Protocol::PacketInfo p;

4
Software/PC_Application/LibreVNA-GUI/Device/LibreVNA/librevnadriver.h
View File

@ -182,6 +182,8 @@ public:
unsigned int getMaxAmplitudePoints() const;
QString getFirmwareMagicString();
signals:
void receivedAnswer(const LibreVNADriver::TransmissionResult &result);
void receivedPacket(const Protocol::PacketInfo& packet);
@ -190,10 +192,12 @@ protected slots:
void handleReceivedPacket(const Protocol::PacketInfo& packet);
protected:
void updateIFFrequencies();
QString hardwareVersionToString(uint8_t version);
bool connected;
QString serial;
Info info;
uint8_t hardwareVersion;
unsigned int limits_maxAmplitudePoints;
Protocol::DeviceStatusV1 lastStatus;