bertos/drv/timer_test.c

   1 /**
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  25  * the GNU General Public License.  This exception does not however
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  27  * the GNU General Public License.
  28  *
  29  * Copyright 2005 Develer S.r.l. (http://www.develer.com/)
  30  *
  31  * -->
  32  *
  33  * \brief Hardware independent timer driver (implementation)
  34  *
  35  * \version $Id$
  36  * \author Bernie Innocenti <bernie@codewiz.org>
  37  *
  38  */
  39
  40 #include <cfg/test.h>
  41
  42 #include <drv/timer.h>
  43 #include <drv/wdt.h>
  44
  45 #include <mware/event.h>
  46
  47 #include <cfg/debug.h>
  48
  49 static void timer_test_constants(void)
  50 {
  51         kprintf("TIMER_HW_HPTICKS_PER_SEC=%lu\n", (unsigned long)TIMER_HW_HPTICKS_PER_SEC);
  52         #ifdef TIMER_PRESCALER
  53                 kprintf("TIMER_PRESCALER    = %lu\n", (unsigned long)TIMER_PRESCALER);
  54         #endif
  55         #ifdef TIMER1_OVF_COUNT
  56                 kprintf("TIMER1_OVF_COUNT   = %lu\n", (unsigned long)TIMER1_OVF_COUNT);
  57         #endif
  58         kprintf("TIMER_TICKS_PER_SEC= %lu\n",  (unsigned long)TIMER_TICKS_PER_SEC);
  59         kprintf("\n");
  60         kprintf("ms_to_ticks(100)   = %lu\n",   (unsigned long)ms_to_ticks(100));
  61         kprintf("ms_to_ticks(10000) = %lu\n",   (unsigned long)ms_to_ticks(10000));
  62         kprintf("us_to_ticks(100)   = %lu\n",   (unsigned long)us_to_ticks(100));
  63         kprintf("us_to_ticks(10000) = %lu\n",   (unsigned long)us_to_ticks(10000));
  64         kprintf("\n");
  65         kprintf("ticks_to_ms(100)   = %lu\n",   (unsigned long)ticks_to_ms(100));
  66         kprintf("ticks_to_ms(10000) = %lu\n",   (unsigned long)ticks_to_ms(10000));
  67         kprintf("ticks_to_us(100)   = %lu\n",   (unsigned long)ticks_to_us(100));
  68         kprintf("ticks_to_us(10000) = %lu\n",   (unsigned long)ticks_to_us(10000));
  69         kprintf("\n");
  70         kprintf("hptime_to_us(100)  = %lu\n",   (unsigned long)hptime_to_us(100));
  71         kprintf("hptime_to_us(10000)= %lu\n",   (unsigned long)hptime_to_us(10000));
  72         kprintf("us_to_hptime(100)  = %lu\n",   (unsigned long)us_to_hptime(100));
  73         kprintf("us_to_hptime(10000)= %lu\n",   (unsigned long)us_to_hptime(10000));
  74 }
  75
  76 static void timer_test_delay(void)
  77 {
  78         int i;
  79
  80         kputs("Delay test\n");
  81         for (i = 0; i < 1000; i += 100)
  82         {
  83                 kprintf("delay %d...", i);
  84                 timer_delay(i);
  85                 kputs("done\n");
  86         }
  87 }
  88
  89 static void timer_test_hook(iptr_t _timer)
  90 {
  91         Timer *timer = (Timer *)(void *)_timer;
  92
  93         kprintf("Timer %lu expired\n", (unsigned long)ticks_to_ms(timer->_delay));
  94         timer_add(timer);
  95 }
  96
  97 static Timer test_timers[5];
  98 static const mtime_t test_delays[5] = { 170, 50, 310, 1500, 310 };
  99
 100 static void timer_test_async(void)
 101 {
 102         size_t i;
 103
 104         for (i = 0; i < countof(test_timers); ++i)
 105         {
 106                 Timer *timer = &test_timers[i];
 107                 timer_setDelay(timer, ms_to_ticks(test_delays[i]));
 108                 timer_setSoftint(timer, timer_test_hook, (iptr_t)timer);
 109                 timer_add(timer);
 110         }
 111 }
 112
 113 static void timer_test_poll(void)
 114 {
 115         int secs = 0;
 116         mtime_t start_time = ticks_to_ms(timer_clock());
 117         mtime_t now;
 118
 119         while (secs <= 10)
 120         {
 121                 now = ticks_to_ms(timer_clock());
 122                 if (now - start_time >= 1000)
 123                 {
 124                         ++secs;
 125                         start_time += 1000;
 126                         kprintf("seconds = %d, ticks=%lu\n", secs, (unsigned long)now);
 127                 }
 128                 wdt_reset();
 129         }
 130 }
 131
 132 int timer_testSetup(void)
 133 {
 134         IRQ_ENABLE;
 135         wdt_start(7);
 136         timer_init();
 137         kdbg_init();
 138         return 0;
 139 }
 140
 141 int timer_testRun(void)
 142 {
 143         timer_test_constants();
 144         timer_test_delay();
 145         timer_test_async();
 146         timer_test_poll();
 147         return 0;
 148 }
 149
 150 int timer_testTearDown(void)
 151 {
 152         unsigned i;
 153         for (i = 0; i < countof(test_timers); ++i)
 154                 timer_abort(&test_timers[i]);
 155         return 0;
 156 }
 157
 158 TEST_MAIN(timer);
 159