diff options
Diffstat (limited to 'os/hal/platforms/STM32F4xx/rtc_lld.c')
| -rw-r--r-- | os/hal/platforms/STM32F4xx/rtc_lld.c | 42 |
1 files changed, 6 insertions, 36 deletions
diff --git a/os/hal/platforms/STM32F4xx/rtc_lld.c b/os/hal/platforms/STM32F4xx/rtc_lld.c index 93d1b8e52..da7f73890 100644 --- a/os/hal/platforms/STM32F4xx/rtc_lld.c +++ b/os/hal/platforms/STM32F4xx/rtc_lld.c @@ -48,42 +48,10 @@ RTCDriver RTCD1; /* Driver local functions. */
/*===========================================================================*/
-/**
- * @brief Shared IRQ handler.
- *
- * @param[in] rtcp pointer to a @p RTCDriver object
- *
- * @notapi
- */
-static void rtc_lld_serve_interrupt(RTCDriver *rtcp) {
-
- chSysLockFromIsr();
- rtcp->rtc_cb(rtcp, RTC_EVENT_SECOND);
- rtcp->rtc_cb(rtcp, RTC_EVENT_ALARM);
- rtcp->rtc_cb(rtcp, RTC_EVENT_OVERFLOW);
- chSysUnlockFromIsr();
-}
-
-
-
/*===========================================================================*/
/* Driver interrupt handlers. */
/*===========================================================================*/
-/**
- * @brief RTC interrupt handler.
- *
- * @isr
- */
-CH_IRQ_HANDLER(RTC_IRQHandler) {
-
- CH_IRQ_PROLOGUE();
-
- rtc_lld_serve_interrupt(&RTCD1);
-
- CH_IRQ_EPILOGUE();
-}
-
/*===========================================================================*/
/* Driver exported functions. */
/*===========================================================================*/
@@ -137,18 +105,20 @@ void rtc_lld_init(void){ /* RTC enabled regardless its previous status.*/
RCC->BDCR |= RCC_BDCR_RTCEN;
- /* Calendar not init yet. */
- if (!(RTC->ISR & RTC_ISR_INITS)){
+ if (!(RTC->ISR & RTC_ISR_INITS)){/* Calendar not init yet. */
/* Disable write protection on RTC registers. */
RTC->WPR = 0xCA;
RTC->WPR = 0x53;
+
/* Enter in init mode. */
RTC->ISR |= RTC_ISR_INIT;
while(!(RTC->ISR & RTC_ISR_INITF))
;
/* Prescaler registers must be written in by two separate writes. */
- RTC->PRER = 0;
RTC->PRER = 0x007F00FF;
+ RTC->PRER = 0x007F00FF;
+ RTC->ISR &= ~RTC_ISR_INIT;
+
/* Wait until calendar data will updated. */
while(!(RTC->ISR & RTC_ISR_RSF))
;
@@ -174,9 +144,9 @@ void rtc_lld_set_time(RTCDriver *rtcp, const RTCTime *timespec) { RTC->ISR |= RTC_ISR_INIT;
while(!(RTC->ISR & RTC_ISR_INITF))
;
-
RTC->TR = timespec->tv_time;
RTC->DR = timespec->tv_date;
+ RTC->ISR &= ~RTC_ISR_INIT;
/* Wait until calendar data will updated. */
while(!(RTC->ISR & RTC_ISR_RSF))
|