/*
 * urecv.c -- receive text from RS-232 serial connexion
 * last modification: may 12, 2006
 *
 * Copyright (c) 2006 David HENRY
 *
 * Permission is hereby granted, free of charge, to any person
 * obtaining a copy of this software and associated documentation
 * files (the "Software"), to deal in the Software without
 * restriction, including without limitation the rights to use,
 * copy, modify, merge, publish, distribute, sublicense, and/or
 * sell copies of the Software, and to permit persons to whom the
 * Software is furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be
 * included in all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
 * NONINFRINGEMENT.
 * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR
 * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF
 * CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
 * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 */
#include <stdlib.h>
#include <stdio.h>
#include "uart.h"
int
main (int argc, const char *argv[])
{
 int port;
 if (argc != 2)
 {
 fprintf (stderr, "usage:\n%s <port>\n", argv[0]);
 return EXIT_FAILURE;
 }
 /* get port from program argument */
 switch (atoi (argv[1]))
 {
 case 1: port = COM1; break;
 case 2: port = COM2; break;
 case 3: port = COM3; break;
 case 4: port = COM4; break;
 default:
 fprintf (stderr, "bad port selected!\n");
 return EXIT_FAILURE;
 }
 /* setup RS-232 connection */
 uart_init (port);
 uart_set_baud_rate (9600);
 uart_set_word_lenght (8);
 uart_set_stop_bits (1);
 uart_set_parity (UART_EVEN_PARITY);
 printf ("waiting for data on port %i (%03x)\n",
	 atoi (argv[1]), port);
 while (1)
 {
 /* test if there is a character in the
	 receive buffer/fifo */
 if (uart_test_receive_char ())
	{
	 /* get the character and print it
	 to standard output */
	 char ch = uart_read_char ();
	 printf ("%c", ch);
	}
 }
 /* exit properly */
 uart_release ();
 return 0;
}
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