44 lines
1.1 KiB
C
44 lines
1.1 KiB
C
#ifndef __DRV_UART_H_
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#define __DRV_UART_H_
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#include <stdio.h>
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#include <stdint.h>
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#include <string.h>
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#include <unistd.h>
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#include <fcntl.h>
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#include <termios.h>
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#define RS485_1 "/dev/ttyS9"
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#define RS485_2 "/dev/ttyS5"
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#define RS485_3 "/dev/ttyS3"
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#define RS485_4 "/dev/ttyS4"
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#define RS485_5 "/dev/ttyS7"
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#define RS485_6 "/dev/ttyS8"
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#define RS485_7 "/dev/ttyS0"
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#define RS485_8 "/dev/ttyXRUSB1"
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#define RS485_9 "/dev/ttyXRUSB2"
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#define RS485_10 "/dev/ttyXRUSB3"
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#define RS485_11 "/dev/ttyXRUSB0"
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#define MAX_UART_NUM 6
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#define UART_DATA_LEN 256
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static struct termios termios_old, termios_new;
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//串口驱动结构体设计
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typedef struct{
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int32_t fd; //串口对应的标识符
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int32_t uartId; //第几个串口
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int32_t baudrate;
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int32_t databit;
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int32_t sendDataLen;
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int32_t receiveDataLen;
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const char *stopbit;
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char parity;
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uint8_t sendBuffer[UART_DATA_LEN]; //point to send buffer
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uint8_t receiveBuffer[UART_DATA_LEN]; //point to receive buffer
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}UartLib_T;
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int drv_uart_open(char *dev, int32_t baudrate, int32_t databit, char parity, char stopbit);
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#endif |