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tests/periph_rtt: Fix for tick conversion test #15940

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Signed-off-by: chudov <chudov@gmail.com>
This commit is contained in:
chudov 2023-04-28 16:32:47 +02:00
parent 7213c0ad3e
commit 88039445e1
1 changed files with 6 additions and 7 deletions
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13
tests/periph_rtt/main.c
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@ -92,7 +92,6 @@ static void _get_rtc_mem(void)
} }
} }
puts("RTC mem OK"); puts("RTC mem OK");
} }
#else #else
@ -105,17 +104,17 @@ int main(void)
puts("\nRIOT RTT low-level driver test"); puts("\nRIOT RTT low-level driver test");
puts("RTT configuration:"); puts("RTT configuration:");
printf("RTT_MAX_VALUE: 0x%08x\n", (unsigned)RTT_MAX_VALUE); printf("RTT_MAX_VALUE: 0x%08" PRIx32 "\n", (uint32_t)RTT_MAX_VALUE);
printf("RTT_FREQUENCY: %u\n\n", (unsigned)RTT_FREQUENCY); printf("RTT_FREQUENCY: %" PRIu32 "\n\n", (uint32_t)RTT_FREQUENCY);
puts("Testing the tick conversion"); puts("Testing the tick conversion (with rounding if RTT_FREQUENCY is not power of 2)");
for (unsigned i = 0; i < ARRAY_SIZE(_ticktest); i++) { for (uint16_t i = 0; i < ARRAY_SIZE(_ticktest); i++) {
uint32_t sec = RTT_TICKS_TO_SEC(_ticktest[i]); uint32_t sec = RTT_TICKS_TO_SEC(_ticktest[i]);
uint32_t ticks = RTT_SEC_TO_TICKS(sec); uint32_t ticks = RTT_SEC_TO_TICKS(sec);
printf("Trying to convert %" PRIu32 " to seconds and back\n", printf("Trying to convert %" PRIu32 " to seconds and back\n",
_ticktest[i]); _ticktest[i]);
/* account for rounding errors... */ /* RTT_FREQUENCY is not always power of 2 so compare with rounded result */
if ((ticks != 0) && (ticks != _ticktest[i])) { if ((ticks != 0) && (ticks != _ticktest[i] / RTT_FREQUENCY * RTT_FREQUENCY)) {
puts("error: TICK conversion not working as expected\n"); puts("error: TICK conversion not working as expected\n");
return 1; return 1;
} }