contrib/libdcc/example.c

   1 /***************************************************************************
   2  *   Copyright (C) 2008 by Spencer Oliver                                  *
   3  *   spen@spen-soft.co.uk                                                  *
   4  *   Copyright (C) 2008 by Frederik Kriewtz                                *
   5  *   frederik@kriewitz.eu                                                  *
   6  *                                                                         *
   7  *   This program is free software; you can redistribute it and/or modify  *
   8  *   it under the terms of the GNU General Public License as published by  *
   9  *   the Free Software Foundation; either version 2 of the License, or     *
  10  *   (at your option) any later version.                                   *
  11  *                                                                         *
  12  *   This program is distributed in the hope that it will be useful,       *
  13  *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
  14  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
  15  *   GNU General Public License for more details.                          *
  16  *                                                                         *
  17  *   You should have received a copy of the GNU General Public License     *
  18  *   along with this program.  If not, see <http://www.gnu.org/licenses/>. *
  19  ***************************************************************************/
  20
  21 #include "dcc_stdio.h"
  22
  23 /* enable openocd debugmsg at the gdb prompt:
  24  * monitor target_request debugmsgs enable
  25  *
  26  * create a trace point:
  27  * monitor trace point 1
  28  *
  29  * to show how often the trace point was hit:
  30  * monitor trace point
  31 */
  32
  33 int main(void)
  34 {
  35         dbg_write_str("hello world");
  36
  37         dbg_write_char('t');
  38         dbg_write_char('e');
  39         dbg_write_char('s');
  40         dbg_write_char('t');
  41         dbg_write_char('\n');
  42
  43         unsigned long test_u32 = 0x01234567;
  44         dbg_write_u32(&test_u32, 1);
  45
  46         static const unsigned short test_u16[] = {0x0123, 0x4567, 0x89AB, 0xCDEF, 0x0123, 0x4567, 0x89AB, 0xCDEF};
  47         dbg_write_u16(test_u16, 8);
  48
  49         static const unsigned char test_u8[] = {0x00, 0x11, 0x22, 0x33, 0x44, 0x55, 0x66, 0x77, 0x88, 0x99, 0xAA, 0xBB, 0xCC, 0XDD, 0xEE, 0xFF};
  50         dbg_write_u8(test_u8, 16);
  51
  52         while(1)
  53         {
  54                 dbg_trace_point(0);
  55         }
  56 }