tunerstudio_commands.cpp

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#include "pch.h"
 
#include "tunerstudio_impl.h"
#include "tunerstudio.h"
#include "tunerstudio_io.h"
 
#include "live_data.h"
 
#include "status_loop.h"
 
#if EFI_TUNER_STUDIO
 
static constexpr size_t getTunerStudioPageSize() {
    return TOTAL_CONFIG_SIZE;
}
 
// Validate whether the specified offset and count would cause an overrun in the tune.
// Returns true if an overrun would occur.
bool validateOffsetCount(size_t offset, size_t count, TsChannelBase* tsChannel) {
    if (offset + count > getTunerStudioPageSize()) {
        efiPrintf("TS: Project mismatch? Too much configuration requested %d/%d", offset, count);
        tunerStudioError(tsChannel, "ERROR: out of range");
        sendErrorCode(tsChannel, TS_RESPONSE_OUT_OF_RANGE);
        return true;
    }
 
    return false;
}
 
 
// This is used to prevent TS from reading/writing when we have just applied a preset, to prevent TS getting confused.
// At the same time an ECU reboot is forced by triggering a fatal error, informing the user to please restart
// the ECU.  Forcing a reboot will force TS to re-read the tune CRC,
bool rebootForPresetPending = false;
 
static Timer channelsRequestTimer;
 
int getSecondsSinceChannelsRequest() {
    return channelsRequestTimer.getElapsedSeconds();
}
 
/**
 * @brief 'Output' command sends out a snapshot of current values
 * Gauges refresh
 */
void TunerStudio::cmdOutputChannels(TsChannelBase* tsChannel, uint16_t offset, uint16_t count) {
    if (offset + count > TS_TOTAL_OUTPUT_SIZE) {
        efiPrintf("TS: Version Mismatch? Too much outputs requested offset=%d + count=%d/total=%d", offset, count,
                sizeof(TunerStudioOutputChannels));
        sendErrorCode(tsChannel, TS_RESPONSE_OUT_OF_RANGE);
        return;
    }
 
    if (offset < BLOCKING_FACTOR) {
        engine->outputChannels.outputRequestPeriod = channelsRequestTimer.getElapsedUs();
        channelsRequestTimer.reset();
    }
 
    tsState.outputChannelsCommandCounter++;
    updateTunerStudioState();
    tsChannel->assertPacketSize(count, false);
    // this method is invoked too often to print any debug information
    uint8_t * scratchBuffer = (uint8_t *)tsChannel->scratchBuffer;
    /**
     * collect data from all models
     */
    copyRange(scratchBuffer + 3, getLiveDataFragments(), offset, count);
 
    tsChannel->crcAndWriteBuffer(TS_RESPONSE_OK, count);
}
 
#endif // EFI_TUNER_STUDIO