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tests: xtimer_usleep_until: some updates

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This commit is contained in:
Kaspar Schleiser 2015-09-15 00:04:07 +02:00
parent 40812e722e
commit 7c97c38a96
2 changed files with 16 additions and 7 deletions
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2
tests/xtimer_usleep_until/Makefile
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@ -9,4 +9,6 @@ BOARD_INSUFFICIENT_MEMORY := chronos
FEATURES_REQUIRED += periph_timer
USEMODULE += xtimer
CFLAGS += -DNUMOF=200
include $(RIOTBASE)/Makefile.include

21
tests/xtimer_usleep_until/main.c
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@ -22,28 +22,35 @@
#include "xtimer.h"
#include "periph_conf.h"
#define NUMOF 1000
#ifndef NUMOF
#define NUMOF (256)
#endif
uint32_t res[NUMOF];
int32_t res[NUMOF];
int main(void)
{
puts("xtimer_usleep_until test application.\n");
uint32_t interval = 1000;
uint32_t interval = NUMOF;
for (int i = 0; i < NUMOF; i++) {
printf("Testing interval %u...\n", (unsigned)interval);
printf("Testing interval %u... (now=%"PRIu32")\n", (unsigned)interval, xtimer_now());
uint32_t last_wakeup = xtimer_now();
uint32_t before = last_wakeup;
xtimer_usleep_until(&last_wakeup, (unsigned)interval);
uint32_t diff = (xtimer_now()-before)-interval;
res[i] = diff;
res[i] = (xtimer_now()-before)-interval;
interval -= 1;
}
for (int i = 0; i < NUMOF; i++) {
printf("%4d diff=%i\n", i, (int)res[i]);
printf("%4d diff=%"PRIi32"\n", NUMOF-i, res[i]);
if (res[i] < -1000 || res[i] > 1000) {
puts("too large difference.\n");
puts("Test Failed.\n");
return 1;
}
}
printf("\nTest complete.\n");