contrib/libdcc/example.c

   1 // SPDX-License-Identifier: GPL-2.0-or-later
   2
   3 /***************************************************************************
   4  *   Copyright (C) 2008 by Spencer Oliver                                  *
   5  *   spen@spen-soft.co.uk                                                  *
   6  *   Copyright (C) 2008 by Frederik Kriewtz                                *
   7  *   frederik@kriewitz.eu                                                  *
   8  ***************************************************************************/
   9
  10 #include "dcc_stdio.h"
  11
  12 /* enable openocd debugmsg at the gdb prompt:
  13  * monitor target_request debugmsgs enable
  14  *
  15  * create a trace point:
  16  * monitor trace point 1
  17  *
  18  * to show how often the trace point was hit:
  19  * monitor trace point
  20 */
  21
  22 int main(void)
  23 {
  24         dbg_write_str("hello world");
  25
  26         dbg_write_char('t');
  27         dbg_write_char('e');
  28         dbg_write_char('s');
  29         dbg_write_char('t');
  30         dbg_write_char('\n');
  31
  32         unsigned long test_u32 = 0x01234567;
  33         dbg_write_u32(&test_u32, 1);
  34
  35         static const unsigned short test_u16[] = {0x0123, 0x4567, 0x89AB, 0xCDEF, 0x0123, 0x4567, 0x89AB, 0xCDEF};
  36         dbg_write_u16(test_u16, 8);
  37
  38         static const unsigned char test_u8[] = {0x00, 0x11, 0x22, 0x33, 0x44, 0x55, 0x66, 0x77, 0x88, 0x99, 0xAA, 0xBB, 0xCC, 0XDD, 0xEE, 0xFF};
  39         dbg_write_u8(test_u8, 16);
  40
  41         while(1)
  42         {
  43                 dbg_trace_point(0);
  44         }
  45 }