73 lines
2.2 KiB
C
73 lines
2.2 KiB
C
/**
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******************************************************************************
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* File Name : net-ctrl.h
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* Description : This file contains the common defines of the Extend
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******************************************************************************
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/* Define to prevent recursive inclusion -------------------------------------*/
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#ifndef ___UART_CTRL_H__
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#define ___UART_CTRL_H__
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#ifdef __cplusplus
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extern "C" {
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#endif
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/* Includes ------------------------------------------------------------------*/
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/* Exported constants --------------------------------------------------------*/
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/* Exported macro ------------------------------------------------------------*/
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/* Exported types ------------------------------------------------------------*/
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typedef struct{
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int baudrate; //baudrate
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int databit; //data bits, 5, 6, 7, 8
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int fctl; //flow control, 0: none, 1: hardware, 2: software
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int parity; //parity 0: none, 1: odd, 2: even
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int stopbit; //stop bits, 1, 2
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const int reserved; //reserved, must be zero
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}PortInfo_t;
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typedef PortInfo_t *pPortInfo_t;
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/* Exported functions ------------------------------------------------------- */
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/*
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* 打开串口，返回文件描述符
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* dev：设备文件名
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*/
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int uart_init(const char* dev);
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/*
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* 设置串口
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* fdcom: 串口文件描述符， pportinfo： 待设置的串口信息
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*/
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int uart_set(int fdcom, const pPortInfo_t pportinfo);
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/*
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* 关闭串口
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* fdcom：串口文件描述符
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*/
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void uart_deinit(int fdcom);
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/*
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* 发送数据
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* fdcom：串口描述符， data：待发送数据， datalen：数据长度
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* 返回实际发送长度
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*/
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int uart_txd(int fdcom, const unsigned char *data, int datalen);
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/*
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* 接收数据
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* fdcom：串口描述符， data：接收缓冲区, datalen.：接收长度， baudrate：波特率
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* 返回实际读入的长度
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*/
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int uart_rxd(int fdcom, unsigned char *data, int datalen, int baudrate);
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#ifdef __cplusplus
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}
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#endif
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#endif // ___UART_CTRL_H__
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