139 lines
3.3 KiB
C
139 lines
3.3 KiB
C
/**
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* \file
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* Tests related to clocks and timers
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* This is based on clock_test.c from the original sensinode port
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*
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* \author
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* Zach Shelby <zach@sensinode.com> (Original)
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* George Oikonomou - <oikonomou@users.sourceforge.net> (rtimer code)
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*
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*/
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#include "contiki.h"
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#include "sys/clock.h"
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#include "sys/rtimer.h"
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#include "dev/leds.h"
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#include <stdio.h>
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/*---------------------------------------------------------------------------*/
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#define TEST_CLOCK_DELAY_USEC 1
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#define TEST_RTIMER 1
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#define TEST_ETIMER 1
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#define TEST_CLOCK_SECONDS 1
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/*---------------------------------------------------------------------------*/
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static struct etimer et;
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#if TEST_CLOCK_DELAY_USEC
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static rtimer_clock_t start_count, end_count, diff;
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#endif
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#if TEST_CLOCK_SECONDS
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static unsigned long sec;
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#endif
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#if TEST_ETIMER
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static clock_time_t count;
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#endif
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#if TEST_RTIMER
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static struct rtimer rt;
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rtimer_clock_t rt_now, rt_for;
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static clock_time_t ct;
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#endif
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static uint8_t i;
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/*---------------------------------------------------------------------------*/
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PROCESS(clock_test_process, "Clock test process");
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AUTOSTART_PROCESSES(&clock_test_process);
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/*---------------------------------------------------------------------------*/
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#if TEST_RTIMER
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void
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rt_callback(struct rtimer *t, void *ptr)
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{
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rt_now = RTIMER_NOW();
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ct = clock_time();
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printf("Task called at %u (clock = %u)\n", rt_now, ct);
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}
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#endif
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/*---------------------------------------------------------------------------*/
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PROCESS_THREAD(clock_test_process, ev, data)
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{
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PROCESS_BEGIN();
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etimer_set(&et, 2 * CLOCK_SECOND);
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PROCESS_YIELD();
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#if TEST_CLOCK_DELAY_USEC
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printf("clock_delay_usec test, (10,000 x i) usec:\n");
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i = 1;
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while(i < 7) {
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start_count = RTIMER_NOW();
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clock_delay_usec(10000 * i);
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end_count = RTIMER_NOW();
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diff = end_count - start_count;
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printf("Requested: %u usec, Real: %u rtimer ticks = ~%u us\n",
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10000 * i, diff, diff * 64);
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i++;
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}
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#endif
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#if TEST_RTIMER
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printf("Rtimer Test, 1 sec (%u rtimer ticks):\n", RTIMER_SECOND);
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i = 0;
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while(i < 5) {
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etimer_set(&et, 2 * CLOCK_SECOND);
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printf("=======================\n");
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ct = clock_time();
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rt_now = RTIMER_NOW();
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rt_for = rt_now + RTIMER_SECOND;
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printf("Now=%u (clock = %u) - For=%u\n", rt_now, ct, rt_for);
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if(rtimer_set(&rt, rt_for, 1,
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(void (*)(struct rtimer *, void *))rt_callback, NULL) != RTIMER_OK) {
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printf("Error setting\n");
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}
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PROCESS_WAIT_EVENT_UNTIL(etimer_expired(&et));
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i++;
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}
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#endif
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#if TEST_ETIMER
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printf("Clock tick and etimer test, 1 sec (%u clock ticks):\n", CLOCK_SECOND);
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i = 0;
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while(i < 10) {
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etimer_set(&et, CLOCK_SECOND);
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PROCESS_WAIT_EVENT_UNTIL(etimer_expired(&et));
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etimer_reset(&et);
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count = clock_time();
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printf("%u ticks\n", count);
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leds_toggle(LEDS_RED);
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i++;
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}
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#endif
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#if TEST_CLOCK_SECONDS
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printf("Clock seconds test (5s):\n");
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i = 0;
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while(i < 10) {
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etimer_set(&et, 5 * CLOCK_SECOND);
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PROCESS_WAIT_EVENT_UNTIL(etimer_expired(&et));
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etimer_reset(&et);
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sec = clock_seconds();
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printf("%lu seconds\n", sec);
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leds_toggle(LEDS_GREEN);
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i++;
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}
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#endif
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printf("Done!\n");
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PROCESS_END();
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}
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/*---------------------------------------------------------------------------*/
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