DD2-monitor/serial/t.c

/*
 *	Experiments with the serial input 
 *	~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 */

#include  <stdio.h>
#include  <stdlib.h>
#include  <strings.h>
#include  <ctype.h>
#include  <time.h>
#include  <unistd.h>			//Used for UART
#include  <fcntl.h>			//Used for UART
#include  <errno.h>
#include  <termios.h>			//Used for UART

#include  "serial.h"

int	verbosity;

/* ---------------------------------------------------------------- */
int main (int argc, char *argv[])
{
int		serial_in, foo;

if (2 != argc) {
	fprintf(stderr, "give me a device name, please.\n");
	return 2;
	}

serial_in = prepare_UART(argv[1], 9600);

fprintf(stderr, "going to listen on %d\n", serial_in);

for (;;) {
	foo = getbyte_to(serial_in, 50000);
	if (foo < 0) {
		fprintf(stderr, "get byte : got %d, err is %d\n",
						foo, errno);
		}
	else	{
		printf("%9ld    $%02x  ", time(NULL), foo);
		if (isprint(foo))	putchar(foo);
		puts("");
		if ('\n'==foo) 	puts("");
		}
	}

return 0;
}

/* ---------------------------------------------------------------- */