mirror of
https://github.com/oliverschmidt/contiki.git
synced 2024-09-11 06:54:32 +00:00
132 lines
3.4 KiB
C
132 lines
3.4 KiB
C
/**
|
|
* \file
|
|
* Tests related to clocks and timers
|
|
* This is based on clock_test.c from the original sensinode port
|
|
*
|
|
* \author
|
|
* Zach Shelby <zach@sensinode.com> (Original)
|
|
* George Oikonomou - <oikonomou@users.sourceforge.net> (rtimer code)
|
|
* Wojciech Bober <wojciech.bober@nordicsemi.no> (nRF52 DK adaptation)
|
|
*
|
|
*/
|
|
|
|
/**
|
|
* \addtogroup nrf52dk-examples Demo projects for nRF52 DK
|
|
* @{
|
|
*/
|
|
#include "contiki.h"
|
|
#include "sys/clock.h"
|
|
#include "sys/rtimer.h"
|
|
#include "dev/leds.h"
|
|
|
|
#include "nrf_delay.h"
|
|
|
|
#include <stdio.h>
|
|
/*---------------------------------------------------------------------------*/
|
|
#define TEST_CLOCK_DELAY_USEC 1
|
|
#define TEST_RTIMER 1
|
|
#define TEST_ETIMER 1
|
|
/*---------------------------------------------------------------------------*/
|
|
static struct etimer et;
|
|
|
|
#if TEST_CLOCK_DELAY_USEC
|
|
static rtimer_clock_t start_count, end_count, diff;
|
|
#endif
|
|
|
|
#if TEST_ETIMER
|
|
static clock_time_t count;
|
|
#endif
|
|
|
|
#if TEST_RTIMER
|
|
static struct rtimer rt;
|
|
static clock_time_t ct_now;
|
|
rtimer_clock_t rt_now, rt_until;
|
|
|
|
static volatile rtimer_clock_t rt_now_cb;
|
|
static volatile clock_time_t ct_cb;
|
|
#endif
|
|
|
|
static uint8_t i;
|
|
/*---------------------------------------------------------------------------*/
|
|
PROCESS(clock_test_process, "Clock test process");
|
|
AUTOSTART_PROCESSES(&clock_test_process);
|
|
/*---------------------------------------------------------------------------*/
|
|
#if TEST_RTIMER
|
|
void
|
|
rt_callback(struct rtimer *t, void *ptr)
|
|
{
|
|
rt_now_cb = RTIMER_NOW();
|
|
ct_cb = clock_time();
|
|
}
|
|
#endif
|
|
/*---------------------------------------------------------------------------*/
|
|
PROCESS_THREAD(clock_test_process, ev, data)
|
|
{
|
|
|
|
PROCESS_BEGIN();
|
|
etimer_set(&et, 2 * CLOCK_SECOND);
|
|
PROCESS_YIELD();
|
|
|
|
printf("RTIMER_SECOND=%d CLOCK_SECOND=%d\n", RTIMER_SECOND, CLOCK_SECOND);
|
|
|
|
#if TEST_CLOCK_DELAY_USEC
|
|
printf("=======================\n");
|
|
printf("TEST clock_delay_usec()\n");
|
|
printf("=======================\n");
|
|
i = 1;
|
|
while(i < 7) {
|
|
start_count = RTIMER_NOW();
|
|
clock_delay_usec(10000 * i);
|
|
end_count = RTIMER_NOW();
|
|
diff = end_count - start_count;
|
|
printf("difference [usec]: %ld\n", 10000 * i - (diff*(1000000/RTIMER_SECOND)));
|
|
i++;
|
|
}
|
|
#endif
|
|
|
|
#if TEST_RTIMER
|
|
printf("=======================\n");
|
|
printf("TEST rtimer\n");
|
|
printf("=======================\n");
|
|
i = 0;
|
|
while(i < 5) {
|
|
etimer_set(&et, 2 * CLOCK_SECOND);
|
|
rt_now = RTIMER_NOW();
|
|
ct_now = clock_time();
|
|
rt_until = rt_now + RTIMER_SECOND;
|
|
printf("now [ticks]: %lu until[ticks]: %lu\n", rt_now, rt_until);
|
|
if (rtimer_set(&rt, rt_until, 1, rt_callback, NULL) != RTIMER_OK) {
|
|
printf("Error setting\n");
|
|
}
|
|
PROCESS_WAIT_EVENT_UNTIL(etimer_expired(&et));
|
|
printf("rtimer difference [ticks]: %ld\n", RTIMER_SECOND - (rt_now_cb - rt_now));
|
|
printf("clock difference [ticks]: %ld\n", CLOCK_SECOND - (ct_cb - ct_now));
|
|
i++;
|
|
}
|
|
#endif
|
|
|
|
#if TEST_ETIMER
|
|
printf("=======================\n");
|
|
printf("TEST etimer\n");
|
|
printf("=======================\n");
|
|
i = 0;
|
|
while(i < 5) {
|
|
etimer_set(&et, i*CLOCK_SECOND);
|
|
count = clock_time();
|
|
PROCESS_WAIT_EVENT_UNTIL(etimer_expired(&et));
|
|
etimer_reset(&et);
|
|
printf("difference [ticks]: %lu\n", i*CLOCK_SECOND - (clock_time() - count));
|
|
leds_toggle(LEDS_RED);
|
|
i++;
|
|
}
|
|
#endif
|
|
|
|
printf("Done!\n");
|
|
|
|
PROCESS_END();
|
|
}
|
|
/*---------------------------------------------------------------------------*/
|
|
/**
|
|
* @}
|
|
*/
|