#include <stdio.h>
#include <stdlib.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <unistd.h>
#include <termios.h>
int main(int argc, char** argv)
{
int fd, readfd;
int icount=100;
struct termios TS;
char buff[1024];
int buffsize;
if(argc < 3){
printf("Error, usage: "); printf(argv[0]); printf(" /dev/serXX file-to-read\n");
return -1;
}
fd = open(argv[1], O_RDWR);
if(fd == -1){
printf("Open failed on ");
printf(argv[1]);
printf("\n");
return -1;
}
tcgetattr(fd , &TS);
cfsetispeed(&TS, 115200);
cfsetospeed(&TS, 115200);
TS.c_cflag = CS8 | CLOCAL | CREAD;
TS.c_iflag = IGNBRK | IGNCR | IGNPAR;
tcsetattr(fd, TCSANOW, &TS);
readfd = open(argv[2], O_RDONLY);
if(readfd == -1){
printf("Open failed on ");
printf(argv[2]);
printf("\n");
return -1;
}
while(--icount > 0){
buffsize=read(readfd, buff, sizeof(buff));
if(buffsize ==0 || buffsize == -1)
return 1;
write(fd, buff, buffsize);
fsync(fd);
}
printf("Done ");
close(fd);
printf("Exiting");
return 1;
}