git.sur5r.net Git - openocd/blob - src/jtag/drivers/OpenULINK/src/delay.c

   1 /***************************************************************************
   2  *   Copyright (C) 2011 by Martin Schmoelzer                               *
   3  *   <martin.schmoelzer@student.tuwien.ac.at>                              *
   4  *                                                                         *
   5  *   This program is free software; you can redistribute it and/or modify  *
   6  *   it under the terms of the GNU General Public License as published by  *
   7  *   the Free Software Foundation; either version 2 of the License, or     *
   8  *   (at your option) any later version.                                   *
   9  *                                                                         *
  10  *   This program is distributed in the hope that it will be useful,       *
  11  *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
  12  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
  13  *   GNU General Public License for more details.                          *
  14  *                                                                         *
  15  *   You should have received a copy of the GNU General Public License     *
  16  *   along with this program; if not, write to the                         *
  17  *   Free Software Foundation, Inc.,                                       *
  18  *   51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.           *
  19  ***************************************************************************/
  20
  21 #include "delay.h"
  22
  23 void delay_5us(void)
  24 {
  25         NOP;
  26 }
  27
  28 void delay_1ms(void)
  29 {
  30         uint16_t i;
  31
  32         for (i = 0; i < 598; i++)
  33                 ;
  34 }
  35
  36 void delay_us(uint16_t delay)
  37 {
  38         uint16_t i;
  39         uint16_t maxcount = (delay / 5);
  40
  41         for (i = 0; i < maxcount; i++)
  42                 delay_5us();
  43 }
  44
  45 void delay_ms(uint16_t delay)
  46 {
  47         uint16_t i;
  48
  49         for (i = 0; i < delay; i++)
  50                 delay_1ms();
  51 }