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Major improvements to the settings API

Browse Source 
* Allow the raw structure to be manipulated from C and Legacy APIs

 * Structure is now split between what's on the device and what's on the client so changes will not be visible from read methods until apply()

 * Allow devices to connect which have slightly different firmware versions than the settings structure
This commit is contained in:
Paul Hollinsky
2018-12-21 20:24:11 -05:00
parent 151b2ce266
commit e124ad28f4
13 changed files with 282 additions and 74 deletions
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device/idevicesettings.cpp
+30 -26
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@@ -170,31 +170,30 @@ bool IDeviceSettings::refresh(bool ignoreChecksum) {
}
settings = std::move(rxSettings);
settingsInDeviceRAM = settings;
settingsLoaded = true;
if(settings.size() != structSize) {
err(APIError::SettingsLengthError);
settingsLoaded = false;
}
// TODO Warn user that their API version differs from the device firmware version
//if(settings.size() != structSize)
return settingsLoaded;
}
bool IDeviceSettings::apply(bool temporary) {
if(disabled || readonly)
if(!settingsLoaded || disabled || readonly)
return false;
std::vector<uint8_t> bytestream;
bytestream.resize(7 + structSize);
bytestream.resize(7 + settings.size());
bytestream[0] = 0x00;
bytestream[1] = GS_VERSION;
bytestream[2] = GS_VERSION >> 8;
bytestream[3] = (uint8_t)structSize;
bytestream[4] = (uint8_t)(structSize >> 8);
bytestream[3] = (uint8_t)settings.size();
bytestream[4] = (uint8_t)(settings.size() >> 8);
uint16_t gs_checksum = CalculateGSChecksum(settings);
bytestream[5] = (uint8_t)gs_checksum;
bytestream[6] = (uint8_t)(gs_checksum >> 8);
memcpy(bytestream.data() + 7, getRawStructurePointer(), structSize);
memcpy(bytestream.data() + 7, getMutableRawStructurePointer(), settings.size());
com->sendCommand(Command::SetSettings, bytestream);
std::shared_ptr<Message> msg = com->waitForMessageSync(std::make_shared<Main51MessageFilter>(Command::SetSettings), std::chrono::milliseconds(1000));
@@ -210,7 +209,7 @@ bool IDeviceSettings::apply(bool temporary) {
gs_checksum = CalculateGSChecksum(settings);
bytestream[5] = (uint8_t)gs_checksum;
bytestream[6] = (uint8_t)(gs_checksum >> 8);
memcpy(bytestream.data() + 7, getRawStructurePointer(), structSize);
memcpy(bytestream.data() + 7, getMutableRawStructurePointer(), settings.size());
com->sendCommand(Command::SetSettings, bytestream);
msg = com->waitForMessageSync(std::make_shared<Main51MessageFilter>(Command::SetSettings), std::chrono::milliseconds(1000));
@@ -244,16 +243,16 @@ bool IDeviceSettings::applyDefaults(bool temporary) {
// The device might modify the settings once they are applied, however in this case it does not update the checksum
// We refresh to get these updates, update the checksum, and send it back so it's all in sync
std::vector<uint8_t> bytestream;
bytestream.resize(7 + structSize);
bytestream.resize(7 + settings.size());
bytestream[0] = 0x00;
bytestream[1] = GS_VERSION;
bytestream[2] = GS_VERSION >> 8;
bytestream[3] = (uint8_t)structSize;
bytestream[4] = (uint8_t)(structSize >> 8);
bytestream[3] = (uint8_t)settings.size();
bytestream[4] = (uint8_t)(settings.size() >> 8);
uint16_t gs_checksum = CalculateGSChecksum(settings);
bytestream[5] = (uint8_t)gs_checksum;
bytestream[6] = (uint8_t)(gs_checksum >> 8);
memcpy(bytestream.data() + 7, getRawStructurePointer(), structSize);
memcpy(bytestream.data() + 7, getMutableRawStructurePointer(), settings.size());
com->sendCommand(Command::SetSettings, bytestream);
msg = com->waitForMessageSync(std::make_shared<Main51MessageFilter>(Command::SetSettings), std::chrono::milliseconds(1000));
@@ -273,7 +272,7 @@ bool IDeviceSettings::applyDefaults(bool temporary) {
}
int64_t IDeviceSettings::getBaudrateFor(Network net) const {
if(disabled)
if(!settingsLoaded || disabled)
return -1;
switch(net.getType()) {
@@ -293,7 +292,7 @@ int64_t IDeviceSettings::getBaudrateFor(Network net) const {
}
bool IDeviceSettings::setBaudrateFor(Network net, int64_t baudrate) {
if(disabled || readonly)
if(!settingsLoaded || disabled || readonly)
return false;
switch(net.getType()) {
@@ -301,7 +300,7 @@ bool IDeviceSettings::setBaudrateFor(Network net, int64_t baudrate) {
if(baudrate > 1000000) // This is an FD baudrate. Use setFDBaudrateFor instead.
return false;
CAN_SETTINGS* cfg = getCANSettingsFor(net);
CAN_SETTINGS* cfg = getMutableCANSettingsFor(net);
if(cfg == nullptr)
return false;
@@ -319,7 +318,7 @@ bool IDeviceSettings::setBaudrateFor(Network net, int64_t baudrate) {
}
int64_t IDeviceSettings::getFDBaudrateFor(Network net) const {
if(disabled)
if(!settingsLoaded || disabled)
return -1;
switch(net.getType()) {
@@ -339,12 +338,12 @@ int64_t IDeviceSettings::getFDBaudrateFor(Network net) const {
}
bool IDeviceSettings::setFDBaudrateFor(Network net, int64_t baudrate) {
if(disabled || readonly)
if(!settingsLoaded || disabled || readonly)
return false;
switch(net.getType()) {
case Network::Type::CAN: {
CANFD_SETTINGS* cfg = getCANFDSettingsFor(net);
CANFD_SETTINGS* cfg = getMutableCANFDSettingsFor(net);
if(cfg == nullptr)
return false;
@@ -359,16 +358,21 @@ bool IDeviceSettings::setFDBaudrateFor(Network net, int64_t baudrate) {
}
}
template<typename T> bool IDeviceSettings::setStructure(const T& newStructure) {
if(disabled || readonly)
template<typename T> bool IDeviceSettings::applyStructure(const T& newStructure) {
if(!settingsLoaded || disabled || readonly)
return false;
// This function is only called from C++ so the callers structure size and ours should never differ
if(sizeof(T) != structSize)
return false; // The wrong structure was passed in for the current device
size_t copySize = sizeof(T);
if(copySize > settings.size())
copySize = settings.size(); // TODO Warn user that their structure is truncated
if(settings.size() != structSize)
settings.resize(structSize);
// TODO Warn user that the device firmware doesn't support all the settings in the current API
//if(copySize < settings.size())
memcpy(settings.data(), &newStructure, structSize);
return true;
return apply();
}