ir_nec.h

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/*
 * Copyright (C) 2022 Dario Petrillo
 *
 * This file is subject to the terms and conditions of the GNU Lesser
 * General Public License v2.1. See the file LICENSE in the top level
 * directory for more details.
 */
 
#pragma once

 
#include <stdint.h>
 
#include "isrpipe.h"
#include "periph/gpio.h"
 
#ifdef __cplusplus
extern "C" {
#endif

typedef struct {
    uint8_t addr;   
    uint8_t cmd;    
} ir_nec_cmd_t;

typedef struct {
    gpio_t pin;     
} ir_nec_params_t;

typedef struct {
    gpio_t pin;             
    isrpipe_t isrpipe;      
 
    uint32_t last_rising;   
    uint32_t data;          
    uint8_t read_bits;      
 
    uint8_t isrpipe_buf[2 * sizeof(ir_nec_cmd_t)];  
} ir_nec_t;

int ir_nec_init(ir_nec_t *dev, const ir_nec_params_t *params);

int ir_nec_read(ir_nec_t *dev, ir_nec_cmd_t *command);
 
#ifdef __cplusplus
}
#endif