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, see <http://www.gnu.org/licenses/>. *
  17  ***************************************************************************/
  18
  19 #include "delay.h"
  20
  21 void delay_5us(void)
  22 {
  23         NOP;
  24 }
  25
  26 void delay_1ms(void)
  27 {
  28         uint16_t i;
  29
  30         for (i = 0; i < 598; i++)
  31                 ;
  32 }
  33
  34 void delay_us(uint16_t delay)
  35 {
  36         uint16_t i;
  37         uint16_t maxcount = (delay / 5);
  38
  39         for (i = 0; i < maxcount; i++)
  40                 delay_5us();
  41 }
  42
  43 void delay_ms(uint16_t delay)
  44 {
  45         uint16_t i;
  46
  47         for (i = 0; i < delay; i++)
  48                 delay_1ms();
  49 }