126 lines
3.9 KiB
C
126 lines
3.9 KiB
C
/*****************************************************************************
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* @copyright 2024-2024, . POWER SUPPLY CO., LTD.
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* @file drv_uart.h
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* @brief 串口底层驱动程序
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* @author Gary
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* @date 2024/09/02
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* @remark 初修订
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*****************************************************************************/
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#ifndef DRY_UART_H
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#define DRY_UART_H
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#include <stdint.h>
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#include <pthread.h>
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#include <unistd.h>
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#include "drv_comm.h"
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#include "bsp_rtdb.h"
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// 波特率
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typedef enum
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{
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kUart_Baud_Start = 0,
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kUart_Baud_115200 = kUart_Baud_Start,
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kUart_Baud_57600,
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kUart_Baud_38400,
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kUart_Baud_19200,
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kUart_Baud_9600,
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kUart_Baud_4800,
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kUart_Baud_2400,
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kUart_Baud_1800,
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kUart_Baud_1200,
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kUart_Baud_600,
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kUart_Baud_300,
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kUart_Baud_200,
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kUart_Baud_150,
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kUart_Baud_End
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} uart_baud_e;
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// 校验位
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typedef enum
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{
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kUart_Parity_Start = 0,
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kUart_Parity_None = kUart_Parity_Start,
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kUart_Parity_Odd,
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kUart_Parity_Even,
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kUart_Parity_Mark,
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kUart_Parity_Space,
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kUart_Parity_End
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} uart_parity_e;
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// 停止位
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typedef enum
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{
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kUart_Stop_Start = 0,
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kUart_Stop_1 = kUart_Stop_Start,
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kUart_Stop_2,
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kUart_Stop_End
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} uart_stop_e;
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// 数据位
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typedef enum
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{
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kUart_Data_Start = 0,
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kUart_Data_5 = kUart_Data_Start,
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kUart_Data_6,
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kUart_Data_7,
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kUart_Data_8,
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kUart_Data_End
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} uart_data_e;
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// 流控制
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typedef enum
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{
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kUart_Flow_Start = 0,
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kUart_Flow_Disable = kUart_Flow_Start,
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kUart_Flow_Hardware_Enable,
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kUart_Flow_Software_Enable,
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kUart_Flow_End
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} uart_flow_e;
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// 串口驱动结构体
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typedef struct
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{
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int32_t fd; // 串口对应的标识符
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uint8_t uartId; // COM口对应序号
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uint8_t address[MAX_UART_ADDR_LEN]; // 通道驱动地址
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uint16_t uId; // 设备序号
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conn_status_e status; // 连接状态 0：离线， 1：在线
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uart_data_e data; // 数据位
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uart_stop_e stop; // 停止位
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uart_baud_e baud; // 波特率
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uart_parity_e parity; // 校验位
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uart_flow_e flow; // 流控制
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uint16_t timeout; // 超时时间(milisecond)
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uint16_t error_cnt; // 超时次数
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uint32_t send_len; // 发送的数据长度
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uint32_t recv_len; // 接收的数据长度
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uint8_t send_buf[MAX_UART_DATA_LEN]; // 发送数据buffer数组
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uint8_t recv_buf[MAX_UART_DATA_LEN]; // 接收数据buffer数组
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} uart_lib_t;
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/*****************************************************************************
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* @brief 打开串口驱动
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* @param[in] p_uart: 串口驱动结构体指针
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* @return 0-成功 1-失败
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*****************************************************************************/
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int32_t drvUartOpen(uart_lib_t* p_uart);
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/*****************************************************************************
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* @brief 关闭串口驱动
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* @param[in] p_uart: 串口驱动结构体指针
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* @return 0-成功 1-失败
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*****************************************************************************/
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int32_t drvUartClose(uart_lib_t* p_uart);
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/*****************************************************************************
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* @brief 串口驱动发送
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* @param[in] p_uart: 串口驱动结构体指针
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* @return 0-成功 1-失败
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*****************************************************************************/
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int32_t drvUartSend(uart_lib_t* p_uart);
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/*****************************************************************************
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* @brief 串口驱动接收
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* @param[in] p_uart: 串口驱动结构体指针
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* @return 0-成功 1-失败
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*****************************************************************************/
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int32_t drvUartRecv(uart_lib_t* p_uart);
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#endif |