1fdc5f2950
* iButton, FuriHal: add onewire HAL, migrate to LL, add missing critical section guards * FuriHal: rename onewire to ibutton, cleanup RCC domain usage, fix ibutton and rfid * FuriHal: cleanup RCC usage
53 lines
1.3 KiB
C++
53 lines
1.3 KiB
C++
#include "pulse_sequencer.h"
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#include <furi.h>
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#include <furi_hal.h>
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void PulseSequencer::set_periods(
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uint32_t* _periods,
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uint16_t _periods_count,
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bool _pin_start_state) {
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periods = _periods;
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periods_count = _periods_count;
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pin_start_state = _pin_start_state;
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}
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void PulseSequencer::start() {
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period_index = 1;
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pin_state = pin_start_state;
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hal_gpio_write(&ibutton_gpio, pin_state);
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pin_state = !pin_state;
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hal_gpio_init(&ibutton_gpio, GpioModeOutputOpenDrain, GpioPullNo, GpioSpeedVeryHigh);
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furi_hal_ibutton_emulate_start(
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periods[period_index], PulseSequencer::timer_elapsed_callback, this);
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}
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void PulseSequencer::stop() {
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furi_hal_ibutton_emulate_stop();
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}
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PulseSequencer::~PulseSequencer() {
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stop();
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}
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void PulseSequencer::timer_elapsed_callback(void* context) {
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PulseSequencer* self = static_cast<PulseSequencer*>(context);
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furi_hal_ibutton_emulate_set_next(self->periods[self->period_index]);
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if(self->period_index == 0) {
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self->pin_state = self->pin_start_state;
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} else {
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self->pin_state = !self->pin_state;
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}
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hal_gpio_write(&ibutton_gpio, self->pin_state);
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self->period_index++;
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if(self->period_index == self->periods_count) {
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self->period_index = 0;
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}
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}
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