drv/timer_test.c

   1 /*!
   2  * \file
   3  * <!--
   4  * Copyright 2005 Develer S.r.l. (http://www.develer.com/)
   5  * This file is part of DevLib - See README.devlib for information.
   6  * -->
   7  *
   8  * \brief Hardware independent timer driver (implementation)
   9  *
  10  * \version $Id$
  11  * \author Bernardo Innocenti <bernie@develer.com>
  12  */
  13
  14 /*#*
  15  *#* $Log$
  16  *#* Revision 1.2  2005/11/27 03:58:18  bernie
  17  *#* Add POSIX timer emulator.
  18  *#*
  19  *#* Revision 1.1  2005/11/27 03:04:08  bernie
  20  *#* Move test code to timer_test.c; Add OS_HOSTED support.
  21  *#*
  22  *#*/
  23
  24 #include "timer.c"
  25 #include "mware/event.c"
  26 #include "os/hptime.c"
  27
  28 static void timer_test_constants(void)
  29 {
  30         kprintf("TIMER_HW_HPTICKS_PER_SEC=%lu\n", TIMER_HW_HPTICKS_PER_SEC);
  31         #ifdef TIMER_PRESCALER
  32                 kprintf("TIMER_PRESCALER=%d\n", TIMER_PRESCALER);
  33         #endif
  34         #ifdef TIMER1_OVF_COUNT
  35                 kprintf("TIMER1_OVF_COUNT=%d\n", (int)TIMER1_OVF_COUNT);
  36         #endif
  37         kprintf("TIMER_TICKS_PER_MSEC=%d\n", (int)TIMER_TICKS_PER_MSEC);
  38         kprintf("\n");
  39         kprintf("ms_to_ticks(100)=%lu\n", ms_to_ticks(100));
  40         kprintf("ms_to_ticks(10000)=%lu\n", ms_to_ticks(10000));
  41         kprintf("us_to_ticks(100)=%lu\n", us_to_ticks(100));
  42         kprintf("us_to_ticks(10000)=%lu\n", us_to_ticks(10000));
  43         kprintf("\n");
  44         kprintf("ticks_to_ms(100)=%lu\n", ticks_to_ms(100));
  45         kprintf("ticks_to_ms(10000)=%lu\n", ticks_to_ms(10000));
  46         kprintf("ticks_to_us(100)=%lu\n", ticks_to_us(100));
  47         kprintf("ticks_to_us(10000)=%lu\n", ticks_to_us(10000));
  48         kprintf("\n");
  49         kprintf("hptime_to_us(100)=%lu\n", hptime_to_us(100));
  50         kprintf("hptime_to_us(10000)=%lu\n", hptime_to_us(10000));
  51         kprintf("us_to_hptime(100)=%lu\n", us_to_hptime(100));
  52         kprintf("us_to_hptime(10000)=%lu\n", us_to_hptime(10000));
  53 }
  54
  55 static void timer_test_delay(void)
  56 {
  57         int i;
  58
  59         kputs("Delay test\n");
  60         for (i = 0; i < 1000; i += 100)
  61         {
  62                 kprintf("delay %d...", i);
  63                 timer_delay(i);
  64                 kputs("done\n");
  65         }
  66 }
  67
  68 static void timer_test_hook(iptr_t _timer)
  69 {
  70         Timer *timer = (Timer *)(void *)_timer;
  71
  72         kprintf("Timer %ld expired\n", ticks_to_ms(timer->_delay));
  73         timer_add(timer);
  74 }
  75
  76 static void timer_test_async(void)
  77 {
  78         static Timer test_timers[5];
  79         static const mtime_t test_delays[5] = { 170, 50, 310, 1500, 310 };
  80         size_t i;
  81
  82         for (i = 0; i < countof(test_timers); ++i)
  83         {
  84                 Timer *timer = &test_timers[i];
  85                 timer_setDelay(timer, ms_to_ticks(test_delays[i]));
  86                 timer_set_event_softint(timer, timer_test_hook, (iptr_t)timer);
  87                 timer_add(timer);
  88         }
  89 }
  90
  91 static void timer_test_poll(void)
  92 {
  93         int secs = 0;
  94         mtime_t start_time = ticks_to_ms(timer_clock());
  95         mtime_t now;
  96
  97         while (secs <= 10)
  98         {
  99                 now = ticks_to_ms(timer_clock());
 100                 if (now - start_time >= 1000)
 101                 {
 102                         ++secs;
 103                         start_time += 1000;
 104                         kprintf("seconds = %d, ticks=%ld\n", secs, now);
 105                 }
 106                 wdt_reset();
 107         }
 108 }
 109
 110 int main(void)
 111 {
 112         wdt_init(7);
 113         timer_init();
 114         timer_test_constants();
 115         timer_test_delay();
 116         timer_test_async();
 117         timer_test_poll();
 118 }