summaryrefslogtreecommitdiff
path: root/n/avr/modules/twi/slave/test/test_twi_slave.c
blob: 4cdfd4ba3e4d8a16f88f8f5b446830af6c0d4418 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
/* test_twi_slave.c */
/* avr.twi.slave - TWI slave module. {{{
 *
 * Copyright (C) 2005 Cl�ment Demonchy
 *
 * Robot APB Team/Efrei 2006.
 *        Web: http://assos.efrei.fr/robot/
 *      Email: robot AT efrei DOT fr
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 * 
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
 *
 * }}} */
#include "common.h"

#include "modules/uart/uart.h"
#include "modules/twi/slave/twi_slave.h"
#include "io.h"

int
main (void)
{
    uint8_t data[AC_TWI_SLAVE_RCPT_BUF_SIZE];
    uart0_init ();
    sei ();
    twi_init (0x02);
    uart0_putc ('s');
    uart0_putc ('s');
    uart0_putc ('s');
    uart0_putc ('\n');
    data[0] = 0;
    while (42)
      {
	if (twi_poll (data, AC_TWI_SLAVE_RCPT_BUF_SIZE))
	  {
	    uart0_putc ('r');
	    twi_update (data, AC_TWI_SLAVE_SEND_BUF_SIZE);
	  }
      }
    return 0;
}