代码生成(用C语言写一个串口测试程序)
时间: 2023-03-24 12:02:50 浏览: 124
好的,我可以回答这个问题。以下是一个用 C 语言编写的串口测试程序的示例代码:
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <fcntl.h>
#include <termios.h>
int main(int argc, char *argv[]) {
int fd;
struct termios options;
if (argc < 2) {
printf("Usage: %s <serial port device>\n", argv[]);
exit(1);
}
fd = open(argv[1], O_RDWR | O_NOCTTY | O_NDELAY);
if (fd == -1) {
perror("open");
exit(1);
}
fcntl(fd, F_SETFL, );
tcgetattr(fd, &options);
cfsetispeed(&options, B960);
cfsetospeed(&options, B960);
options.c_cflag |= (CLOCAL | CREAD);
options.c_cflag &= ~PARENB;
options.c_cflag &= ~CSTOPB;
options.c_cflag &= ~CSIZE;
options.c_cflag |= CS8;
options.c_lflag &= ~(ICANON | ECHO | ECHOE | ISIG);
options.c_iflag &= ~(IXON | IXOFF | IXANY);
options.c_oflag &= ~OPOST;
options.c_cc[VMIN] = 1;
options.c_cc[VTIME] = ;
tcsetattr(fd, TCSANOW, &options);
char buf[256];
int n;
while (1) {
n = read(fd, buf, sizeof(buf));
if (n > ) {
write(fd, buf, n);
}
}
close(fd);
return ;
}