52 lines
857 B
C
Executable File
52 lines
857 B
C
Executable File
#include <stdio.h>
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#include <stdlib.h>
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <sys/ioctl.h>
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#include <fcntl.h>
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#include <errno.h>
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#include "vser.h"
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int main(int argc, char *argv[])
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{
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int fd;
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int ret;
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unsigned int baud;
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struct option opt = {8,1,1};
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fd = open("/dev/vser0", O_RDWR);
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if (fd == -1)
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goto fail;
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baud = 9600;
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ret = ioctl(fd, VS_SET_BAUD, baud);
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if (ret == -1)
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goto fail;
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ret = ioctl(fd, VS_GET_BAUD, baud);
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if (ret == -1)
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goto fail;
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ret = ioctl(fd, VS_SET_FFMT, &opt);
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if (ret == -1)
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goto fail;
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ret = ioctl(fd, VS_GET_FFMT, &opt);
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if (ret == -1)
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goto fail;
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printf("baud rate: %d\n", baud);
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printf("frame format: %d%c%d\n", opt.datab, opt.parity == 0 ? 'N' : \
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opt.parity == 1 ? 'O' : 'E', \
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opt.stopb);
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close(fd);
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exit(EXIT_SUCCESS);
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fail:
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perror("ioctl test");
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exit(EXIT_FAILURE);
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}
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