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 1.4  2006/07/19 12:56:26  bernie
  17  *#* Convert to new Doxygen style.
  18  *#*
  19  *#* Revision 1.3  2006/02/21 21:28:02  bernie
  20  *#* New time handling based on TIMER_TICKS_PER_SEC to support slow timers with ticks longer than 1ms.
  21  *#*
  22  *#* Revision 1.2  2005/11/27 03:58:18  bernie
  23  *#* Add POSIX timer emulator.
  24  *#*
  25  *#* Revision 1.1  2005/11/27 03:04:08  bernie
  26  *#* Move test code to timer_test.c; Add OS_HOSTED support.
  27  *#*
  28  *#*/
  29
  30 #include "timer.c"
  31 #include "mware/event.c"
  32 #include "os/hptime.c"
  33
  34 static void timer_test_constants(void)
  35 {
  36         kprintf("TIMER_HW_HPTICKS_PER_SEC=%lu\n", TIMER_HW_HPTICKS_PER_SEC);
  37         #ifdef TIMER_PRESCALER
  38                 kprintf("TIMER_PRESCALER=%d\n", TIMER_PRESCALER);
  39         #endif
  40         #ifdef TIMER1_OVF_COUNT
  41                 kprintf("TIMER1_OVF_COUNT=%d\n", (int)TIMER1_OVF_COUNT);
  42         #endif
  43         kprintf("TIMER_TICKS_PER_SEC=%d\n", (int)TIMER_TICKS_PER_SEC);
  44         kprintf("\n");
  45         kprintf("ms_to_ticks(100)=%lu\n", ms_to_ticks(100));
  46         kprintf("ms_to_ticks(10000)=%lu\n", ms_to_ticks(10000));
  47         kprintf("us_to_ticks(100)=%lu\n", us_to_ticks(100));
  48         kprintf("us_to_ticks(10000)=%lu\n", us_to_ticks(10000));
  49         kprintf("\n");
  50         kprintf("ticks_to_ms(100)=%lu\n", ticks_to_ms(100));
  51         kprintf("ticks_to_ms(10000)=%lu\n", ticks_to_ms(10000));
  52         kprintf("ticks_to_us(100)=%lu\n", ticks_to_us(100));
  53         kprintf("ticks_to_us(10000)=%lu\n", ticks_to_us(10000));
  54         kprintf("\n");
  55         kprintf("hptime_to_us(100)=%lu\n", hptime_to_us(100));
  56         kprintf("hptime_to_us(10000)=%lu\n", hptime_to_us(10000));
  57         kprintf("us_to_hptime(100)=%lu\n", us_to_hptime(100));
  58         kprintf("us_to_hptime(10000)=%lu\n", us_to_hptime(10000));
  59 }
  60
  61 static void timer_test_delay(void)
  62 {
  63         int i;
  64
  65         kputs("Delay test\n");
  66         for (i = 0; i < 1000; i += 100)
  67         {
  68                 kprintf("delay %d...", i);
  69                 timer_delay(i);
  70                 kputs("done\n");
  71         }
  72 }
  73
  74 static void timer_test_hook(iptr_t _timer)
  75 {
  76         Timer *timer = (Timer *)(void *)_timer;
  77
  78         kprintf("Timer %ld expired\n", ticks_to_ms(timer->_delay));
  79         timer_add(timer);
  80 }
  81
  82 static void timer_test_async(void)
  83 {
  84         static Timer test_timers[5];
  85         static const mtime_t test_delays[5] = { 170, 50, 310, 1500, 310 };
  86         size_t i;
  87
  88         for (i = 0; i < countof(test_timers); ++i)
  89         {
  90                 Timer *timer = &test_timers[i];
  91                 timer_setDelay(timer, ms_to_ticks(test_delays[i]));
  92                 timer_set_event_softint(timer, timer_test_hook, (iptr_t)timer);
  93                 timer_add(timer);
  94         }
  95 }
  96
  97 static void timer_test_poll(void)
  98 {
  99         int secs = 0;
 100         mtime_t start_time = ticks_to_ms(timer_clock());
 101         mtime_t now;
 102
 103         while (secs <= 10)
 104         {
 105                 now = ticks_to_ms(timer_clock());
 106                 if (now - start_time >= 1000)
 107                 {
 108                         ++secs;
 109                         start_time += 1000;
 110                         kprintf("seconds = %d, ticks=%ld\n", secs, now);
 111                 }
 112                 wdt_reset();
 113         }
 114 }
 115
 116 int main(void)
 117 {
 118         wdt_init(7);
 119         timer_init();
 120         timer_test_constants();
 121         timer_test_delay();
 122         timer_test_async();
 123         timer_test_poll();
 124         return 0;
 125 }