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Merge pull request #5347 from 0xc0170/nxp_fix_lptimer 

MCUXpresso: Fix LPTimer issue when using multiple timeout objects
pull/5371/head
Jimmy Brisson 2017-10-23 10:34:50 -05:00 committed by GitHub
parent 2a8023180f bc5c94517c
commit 1566395323
1 changed files with 10 additions and 0 deletions
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10
targets/TARGET_Freescale/TARGET_MCUXpresso_MCUS/api/lp_ticker.c
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@ -139,6 +139,11 @@ void lp_ticker_set_interrupt(timestamp_t timestamp)
/* Checking if LPTRM can handle this sleep */ /* Checking if LPTRM can handle this sleep */
delta_ticks = USEC_TO_COUNT(delta_us, CLOCK_GetFreq(kCLOCK_Er32kClk)); delta_ticks = USEC_TO_COUNT(delta_us, CLOCK_GetFreq(kCLOCK_Er32kClk));
if (delta_ticks == 0) {
/* The requested delay is less than the minimum resolution of this counter */
delta_ticks = 1;
}
if (delta_ticks > MAX_LPTMR_SLEEP) { if (delta_ticks > MAX_LPTMR_SLEEP) {
/* Using RTC if wait time is over 16b (2s @32kHz) */ /* Using RTC if wait time is over 16b (2s @32kHz) */
uint32_t delta_sec; uint32_t delta_sec;
@ -154,6 +159,11 @@ void lp_ticker_set_interrupt(timestamp_t timestamp)
/* Set aditional, subsecond, sleep time */ /* Set aditional, subsecond, sleep time */
if (delta_us) { if (delta_us) {
lptmr_schedule = USEC_TO_COUNT(delta_us, CLOCK_GetFreq(kCLOCK_Er32kClk)); lptmr_schedule = USEC_TO_COUNT(delta_us, CLOCK_GetFreq(kCLOCK_Er32kClk));
if (lptmr_schedule == 0) {
/* The requested delay is less than the minimum resolution of this counter */
lptmr_schedule = 1;
}
} }
} else { } else {
/* Below RTC resolution using LPTMR */ /* Below RTC resolution using LPTMR */