56 lines
1.2 KiB
C
56 lines
1.2 KiB
C
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#pragma once
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#include <stdint.h>
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#include <stdbool.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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/**
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* Signature of callback function for receiving continuous IRDA rx signal.
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*
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* @param level - level of input IRDA rx signal
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* @param duration - duration of continuous rx signal level in us
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*/
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typedef void (*TimerISRCallback)(void* ctx, bool level, uint32_t duration);
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/**
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* Initialize IRDA RX timer to receive interrupts.
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* It provides interrupts for every RX-signal edge changing
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* with its duration.
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*/
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void api_hal_irda_rx_irq_init(void);
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/**
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* Deinitialize IRDA RX interrupt.
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*/
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void api_hal_irda_rx_irq_deinit(void);
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/**
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* Setup callback for previously initialized IRDA RX interrupt.
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*
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* @param callback - callback to call when RX signal edge changing occurs
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* @param ctx - context for callback
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*/
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void api_hal_irda_rx_irq_set_callback(TimerISRCallback callback, void *ctx);
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/**
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* Start generating IRDA TX PWM. Provides PWM initialization on
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* defined frequency.
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*
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* @param duty_cycle - duty cycle
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* @param freq - PWM frequency to generate
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*/
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void api_hal_irda_pwm_set(float duty_cycle, float freq);
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/**
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* Stop generating IRDA PWM signal.
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*/
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void api_hal_irda_pwm_stop();
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#ifdef __cplusplus
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}
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#endif
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