38 lines
1.2 KiB
C++
38 lines
1.2 KiB
C++
/**
|
|
* @file pwm_generator.cpp
|
|
* @brief software PWM generator
|
|
*
|
|
* Software PWM implementation. Considering how low all frequencies are, we can totally afford a couple of float multiplications.
|
|
* By generating PWM programmatically we are saving the timers for better purposes. This implementation also supports generating
|
|
* synchronized waves as needed for example to emulate dual Hall-effect crankshaft position sensors.
|
|
*
|
|
*
|
|
* @date May 28, 2013
|
|
* @author Andrey Belomutskiy, (c) 2012-2018
|
|
*
|
|
*/
|
|
|
|
#include "pwm_generator.h"
|
|
|
|
#include "pin_repository.h"
|
|
#include "datalogging.h"
|
|
|
|
/**
|
|
* This method controls the actual hardware pins
|
|
*
|
|
* This method takes ~350 ticks.
|
|
*/
|
|
void applyPinState(PwmConfig *state, int stateIndex) {
|
|
efiAssertVoid(CUSTOM_ERR_6663, stateIndex < PWM_PHASE_MAX_COUNT, "invalid stateIndex");
|
|
efiAssertVoid(CUSTOM_ERR_6664, state->multiWave.waveCount <= PWM_PHASE_MAX_WAVE_PER_PWM, "invalid waveCount");
|
|
for (int waveIndex = 0; waveIndex < state->multiWave.waveCount; waveIndex++) {
|
|
OutputPin *output = state->outputPins[waveIndex];
|
|
int value = state->multiWave.waves[waveIndex].pinStates[stateIndex];
|
|
output->setValue(value);
|
|
}
|
|
}
|
|
|
|
void initPwmGenerator(void) {
|
|
}
|
|
|