#ifndef _COMMUNICATION_PROTOCOL_H_
#define _COMMUNICATION_PROTOCOL_H_

#include "user_lib.h"

#define COM_ERROR_CODE_SIZE 7 // 通信错误返回帧长度
#define COM_AI_DATA_SIZE 11   // 模拟量数据返回帧长度
#define FRAME_HEAD 0xAA       // 帧头
#define FRAME_TAIL 0x3C       // 帧尾

typedef enum
{
    COM_OK = 0,
    FRAMING_ERROR,
    CHECK_ERROR,
    COMMAND_ERROR,
    DEVICE_ERROR,
} communication_error_e;

typedef struct
{
    uint8_t start_addr;
    uint8_t num;
    uint8_t data[16];
} communication_do_t;

typedef struct
{
    uint8_t start_addr;
    uint8_t num;
} communication_di_t;

typedef struct
{
    uint8_t channel;
    float32_u data;
} communication_ao_t;

typedef struct
{
    uint8_t channel;
} communication_ai_t;

typedef union
{
    uint8_t data[50];
    communication_do_t do_data;
    communication_di_t di_data;
    communication_ao_t ao_data;
    communication_ai_t ai_data;
} communication_data_u;

void communication_exception(uint8_t *tx_data, const uint8_t *const rx_data, communication_error_e error_code);
void communication_get_ai(communication_ai_t *ai_data, uint8_t *tx_data, const uint8_t *const rx_data);
void communication_set_ao(communication_ao_t *ao_data);
#endif