117 lines
3.8 KiB
C
117 lines
3.8 KiB
C
#include "infrared.h"
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#include <stdint.h>
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#include <stdbool.h>
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#include <stddef.h>
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#include <furi.h>
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#include <furi_hal_infrared.h>
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static uint32_t infrared_tx_number_of_transmissions = 0;
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static uint32_t infrared_tx_raw_timings_index = 0;
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static uint32_t infrared_tx_raw_timings_number = 0;
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static uint32_t infrared_tx_raw_start_from_mark = 0;
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static bool infrared_tx_raw_add_silence = false;
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FuriHalInfraredTxGetDataState
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infrared_get_raw_data_callback(void* context, uint32_t* duration, bool* level) {
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furi_assert(duration);
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furi_assert(level);
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furi_assert(context);
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FuriHalInfraredTxGetDataState state = FuriHalInfraredTxGetDataStateOk;
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const uint32_t* timings = context;
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if(infrared_tx_raw_add_silence && (infrared_tx_raw_timings_index == 0)) {
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infrared_tx_raw_add_silence = false;
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*level = false;
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*duration = INFRARED_RAW_TX_TIMING_DELAY_US;
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} else {
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*level = infrared_tx_raw_start_from_mark ^ (infrared_tx_raw_timings_index % 2);
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*duration = timings[infrared_tx_raw_timings_index++];
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}
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if(infrared_tx_raw_timings_number == infrared_tx_raw_timings_index) {
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state = FuriHalInfraredTxGetDataStateLastDone;
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}
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return state;
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}
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void infrared_send_raw_ext(
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const uint32_t timings[],
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uint32_t timings_cnt,
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bool start_from_mark,
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uint32_t frequency,
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float duty_cycle) {
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furi_assert(timings);
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infrared_tx_raw_start_from_mark = start_from_mark;
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infrared_tx_raw_timings_index = 0;
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infrared_tx_raw_timings_number = timings_cnt;
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infrared_tx_raw_add_silence = start_from_mark;
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furi_hal_infrared_async_tx_set_data_isr_callback(
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infrared_get_raw_data_callback, (void*)timings);
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furi_hal_infrared_async_tx_start(frequency, duty_cycle);
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furi_hal_infrared_async_tx_wait_termination();
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furi_assert(!furi_hal_infrared_is_busy());
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}
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void infrared_send_raw(const uint32_t timings[], uint32_t timings_cnt, bool start_from_mark) {
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infrared_send_raw_ext(
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timings,
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timings_cnt,
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start_from_mark,
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INFRARED_COMMON_CARRIER_FREQUENCY,
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INFRARED_COMMON_DUTY_CYCLE);
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}
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FuriHalInfraredTxGetDataState
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infrared_get_data_callback(void* context, uint32_t* duration, bool* level) {
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FuriHalInfraredTxGetDataState state;
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InfraredEncoderHandler* handler = context;
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InfraredStatus status = InfraredStatusError;
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if(infrared_tx_number_of_transmissions > 0) {
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status = infrared_encode(handler, duration, level);
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}
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if(status == InfraredStatusError) {
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state = FuriHalInfraredTxGetDataStateLastDone;
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*duration = 0;
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*level = 0;
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} else if(status == InfraredStatusOk) {
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state = FuriHalInfraredTxGetDataStateOk;
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} else if(status == InfraredStatusDone) {
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if(--infrared_tx_number_of_transmissions == 0) {
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state = FuriHalInfraredTxGetDataStateLastDone;
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} else {
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state = FuriHalInfraredTxGetDataStateDone;
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}
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} else {
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furi_crash(NULL);
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}
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return state;
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}
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void infrared_send(const InfraredMessage* message, int times) {
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furi_assert(message);
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furi_assert(times);
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furi_assert(infrared_is_protocol_valid(message->protocol));
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InfraredEncoderHandler* handler = infrared_alloc_encoder();
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infrared_reset_encoder(handler, message);
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infrared_tx_number_of_transmissions = times;
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uint32_t frequency = infrared_get_protocol_frequency(message->protocol);
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float duty_cycle = infrared_get_protocol_duty_cycle(message->protocol);
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furi_hal_infrared_async_tx_set_data_isr_callback(infrared_get_data_callback, handler);
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furi_hal_infrared_async_tx_start(frequency, duty_cycle);
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furi_hal_infrared_async_tx_wait_termination();
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infrared_free_encoder(handler);
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furi_assert(!furi_hal_infrared_is_busy());
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}
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