dfplayer_internal.h

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/*
 * Copyright 2019 Marian Buschsieweke
 *
 * 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 "dfplayer_types.h"
 
#ifdef __cplusplus
extern "C" {
#endif
 
int dfplayer_transceive(dfplayer_t *dev, uint16_t *resp,
                        uint8_t cmd, uint8_t p1, uint8_t p2);
 
int dfplayer_file_cmd(dfplayer_t *dev, uint8_t cmd, uint8_t p1, uint8_t p2);
 
int dfplayer_reset(dfplayer_t *dev);
 
void dfplayer_uart_rx_cb(void *dev, uint8_t data);
 
static inline int dfplayer_cmd_2param(dfplayer_t *dev, uint8_t cmd,
                                      uint8_t p1, uint8_t p2)
{
    return dfplayer_transceive(dev, NULL, cmd, p1, p2);
}
 
static inline int dfplayer_cmd_1param(dfplayer_t *dev, uint8_t cmd, uint8_t param)
{
    return dfplayer_transceive(dev, NULL, cmd, 0, param);
}
 
static inline int dfplayer_cmd(dfplayer_t *dev, uint8_t cmd)
{
    return dfplayer_transceive(dev, NULL, cmd, 0, 0);
}
 
static inline int dfplayer_query(dfplayer_t *dev, uint16_t *resp, uint8_t cmd)
{
    return dfplayer_transceive(dev, resp, cmd, 0, 0);
}
 
#ifdef __cplusplus
}
#endif