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[FRDM KL43Z] Fix RTC init function for KL43Z

pull/1313/head
fedlak 2015-08-28 01:17:49 +02:00
parent 2f184eb457
commit 12b0e1dc49
1 changed files with 28 additions and 1 deletions
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29
libraries/mbed/targets/hal/TARGET_Freescale/TARGET_KLXX/rtc_api.c
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@ -37,10 +37,36 @@ static void init(void) {
void rtc_init(void) {
init();
#ifdef TARGET_KL43Z
RTC->LR |= RTC_LR_LRL_MASK;
RTC->LR |= RTC_LR_SRL_MASK|RTC_LR_CRL_MASK|RTC_LR_TCL_MASK;
/* run soft reset sequence only if clock doesn't run */
if (!(RTC_SR & RTC_SR_TCE_MASK))
{
RTC->CR|= RTC_CR_SWR_MASK;
RTC->CR&=~RTC_CR_SWR_MASK;
}
RTC->CR = RTC_CR_SC2P_MASK | RTC_CR_OSCE_MASK | RTC_CR_UM_MASK;
if(RTC->SR & RTC_SR_TCE_MASK)
{
RTC->SR &= ~RTC_SR_TCE_MASK;
if(RTC->CR & RTC_CR_OSCE_MASK)
for(int i=0; i<0x1000; i++) __NOP();
}
//Configure the TSR. default value: 1
RTC->TSR = 1;
RTC->SR = RTC_SR_TCE_MASK;
RTC->IER = RTC_IER_TSIE_MASK | RTC_IER_TAIE_MASK | RTC_IER_TOIE_MASK | RTC_IER_TIIE_MASK;
RTC->IER &= ~RTC_IER_WPON_MASK;
RTC->TAR = 0l;
RTC->TPR = 0l;
RTC->LR = RTC_LR_LRL_MASK | RTC_LR_SRL_MASK | RTC_LR_CRL_MASK | RTC_LR_TCL_MASK | (0x87);
#else
//Configure the TSR. default value: 1
RTC->TSR = 1;
if (PinMap_RTC[0].pin == NC) { //Use OSC32K
RTC->CR |= RTC_CR_OSCE_MASK;
//delay for OSCE stabilization
@ -49,6 +75,7 @@ void rtc_init(void) {
// enable counter
RTC->SR |= RTC_SR_TCE_MASK;
#endif
}
void rtc_free(void) {