mirror of https://github.com/FOME-Tech/fome-fw.git
93 lines
2.0 KiB
C++
93 lines
2.0 KiB
C++
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#include "gppwm_channel.h"
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#include "engine.h"
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#include "pwm_generator_logic.h"
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#include "table_helper.h"
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#include "expected.h"
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#include "sensor.h"
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#include "map.h"
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EXTERN_ENGINE;
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expected<float> readGppwmChannel(gppwm_channel_e channel DECLARE_ENGINE_PARAMETER_SUFFIX) {
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switch (channel) {
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case GPPWM_Tps:
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return Sensor::get(SensorType::Tps1);
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case GPPWM_Map: {
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float map = getMap(PASS_ENGINE_PARAMETER_SIGNATURE);
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if (cisnan(map)) {
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return unexpected;
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}
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return map;
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}
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case GPPWM_Clt:
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return Sensor::get(SensorType::Clt);
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case GPPWM_Iat:
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return Sensor::get(SensorType::Iat);
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default:
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return unexpected;
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}
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}
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void GppwmChannel::setOutput(float result) {
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// Not init yet, nothing to do.
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if (!m_config) {
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return;
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}
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if (m_usePwm) {
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efiAssertVoid(OBD_PCM_Processor_Fault, m_usePwm, "m_usePwm null");
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m_pwm->setSimplePwmDutyCycle(clampF(0, result / 100.0f, 1));
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} else {
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efiAssertVoid(OBD_PCM_Processor_Fault, m_output, "m_output null");
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// Apply hysteresis with provided values
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if (m_state && result < m_config->offBelowDuty) {
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m_state = false;
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} else if (!m_state && result > m_config->onAboveDuty) {
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m_state = true;
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}
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m_output->setValue(m_state);
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}
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}
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void GppwmChannel::init(bool usePwm, SimplePwm* pwm, OutputPin* outputPin, const ValueProvider3D* table, const gppwm_channel* config) {
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m_usePwm = usePwm;
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m_pwm = pwm;
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m_output = outputPin;
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m_table = table;
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m_config = config;
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}
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float GppwmChannel::getOutput() const {
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expected<float> loadAxisValue = readGppwmChannel(m_config->loadAxis PASS_ENGINE_PARAMETER_SUFFIX);
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// If we couldn't get load axis value, fall back on error value
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if (!loadAxisValue) {
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return m_config->dutyIfError;
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}
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float rpm = GET_RPM();
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float result = m_table->getValue(rpm / RPM_1_BYTE_PACKING_MULT, loadAxisValue.Value);
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if (cisnan(result)) {
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return m_config->dutyIfError;
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}
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return result;
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}
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void GppwmChannel::update() {
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// Without a config, nothing to do.
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if (!m_config) {
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return;
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}
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float output = getOutput();
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setOutput(output);
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}
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