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 1.3  2006/02/21 21:28:02  bernie
  17  *#* New time handling based on TIMER_TICKS_PER_SEC to support slow timers with ticks longer than 1ms.
  18  *#*
  19  *#* Revision 1.2  2005/11/27 03:58:18  bernie
  20  *#* Add POSIX timer emulator.
  21  *#*
  22  *#* Revision 1.1  2005/11/27 03:04:08  bernie
  23  *#* Move test code to timer_test.c; Add OS_HOSTED support.
  24  *#*
  25  *#*/
  26
  27 #include "timer.c"
  28 #include "mware/event.c"
  29 #include "os/hptime.c"
  30
  31 static void timer_test_constants(void)
  32 {
  33         kprintf("TIMER_HW_HPTICKS_PER_SEC=%lu\n", TIMER_HW_HPTICKS_PER_SEC);
  34         #ifdef TIMER_PRESCALER
  35                 kprintf("TIMER_PRESCALER=%d\n", TIMER_PRESCALER);
  36         #endif
  37         #ifdef TIMER1_OVF_COUNT
  38                 kprintf("TIMER1_OVF_COUNT=%d\n", (int)TIMER1_OVF_COUNT);
  39         #endif
  40         kprintf("TIMER_TICKS_PER_SEC=%d\n", (int)TIMER_TICKS_PER_SEC);
  41         kprintf("\n");
  42         kprintf("ms_to_ticks(100)=%lu\n", ms_to_ticks(100));
  43         kprintf("ms_to_ticks(10000)=%lu\n", ms_to_ticks(10000));
  44         kprintf("us_to_ticks(100)=%lu\n", us_to_ticks(100));
  45         kprintf("us_to_ticks(10000)=%lu\n", us_to_ticks(10000));
  46         kprintf("\n");
  47         kprintf("ticks_to_ms(100)=%lu\n", ticks_to_ms(100));
  48         kprintf("ticks_to_ms(10000)=%lu\n", ticks_to_ms(10000));
  49         kprintf("ticks_to_us(100)=%lu\n", ticks_to_us(100));
  50         kprintf("ticks_to_us(10000)=%lu\n", ticks_to_us(10000));
  51         kprintf("\n");
  52         kprintf("hptime_to_us(100)=%lu\n", hptime_to_us(100));
  53         kprintf("hptime_to_us(10000)=%lu\n", hptime_to_us(10000));
  54         kprintf("us_to_hptime(100)=%lu\n", us_to_hptime(100));
  55         kprintf("us_to_hptime(10000)=%lu\n", us_to_hptime(10000));
  56 }
  57
  58 static void timer_test_delay(void)
  59 {
  60         int i;
  61
  62         kputs("Delay test\n");
  63         for (i = 0; i < 1000; i += 100)
  64         {
  65                 kprintf("delay %d...", i);
  66                 timer_delay(i);
  67                 kputs("done\n");
  68         }
  69 }
  70
  71 static void timer_test_hook(iptr_t _timer)
  72 {
  73         Timer *timer = (Timer *)(void *)_timer;
  74
  75         kprintf("Timer %ld expired\n", ticks_to_ms(timer->_delay));
  76         timer_add(timer);
  77 }
  78
  79 static void timer_test_async(void)
  80 {
  81         static Timer test_timers[5];
  82         static const mtime_t test_delays[5] = { 170, 50, 310, 1500, 310 };
  83         size_t i;
  84
  85         for (i = 0; i < countof(test_timers); ++i)
  86         {
  87                 Timer *timer = &test_timers[i];
  88                 timer_setDelay(timer, ms_to_ticks(test_delays[i]));
  89                 timer_set_event_softint(timer, timer_test_hook, (iptr_t)timer);
  90                 timer_add(timer);
  91         }
  92 }
  93
  94 static void timer_test_poll(void)
  95 {
  96         int secs = 0;
  97         mtime_t start_time = ticks_to_ms(timer_clock());
  98         mtime_t now;
  99
 100         while (secs <= 10)
 101         {
 102                 now = ticks_to_ms(timer_clock());
 103                 if (now - start_time >= 1000)
 104                 {
 105                         ++secs;
 106                         start_time += 1000;
 107                         kprintf("seconds = %d, ticks=%ld\n", secs, now);
 108                 }
 109                 wdt_reset();
 110         }
 111 }
 112
 113 int main(void)
 114 {
 115         wdt_init(7);
 116         timer_init();
 117         timer_test_constants();
 118         timer_test_delay();
 119         timer_test_async();
 120         timer_test_poll();
 121         return 0;
 122 }