diff options
Diffstat (limited to 'os/hal/platforms')
| -rw-r--r-- | os/hal/platforms/STM32/rtc_lld.c | 43 | ||||
| -rw-r--r-- | os/hal/platforms/STM32/rtc_lld.h | 8 | ||||
| -rw-r--r-- | os/hal/platforms/STM32F1xx/hal_lld_f100.h | 7 | ||||
| -rw-r--r-- | os/hal/platforms/STM32F1xx/hal_lld_f103.h | 11 | ||||
| -rw-r--r-- | os/hal/platforms/STM32F1xx/hal_lld_f105_f107.h | 7 |
5 files changed, 45 insertions, 31 deletions
diff --git a/os/hal/platforms/STM32/rtc_lld.c b/os/hal/platforms/STM32/rtc_lld.c index 941f2429f..465f2f02e 100644 --- a/os/hal/platforms/STM32/rtc_lld.c +++ b/os/hal/platforms/STM32/rtc_lld.c @@ -115,23 +115,14 @@ void rtc_lld_init(void){ uint32_t preload = 0;
rccEnableBKPInterface(FALSE);
-
- /* Ensure that RTC_CNT and RTC_DIV contain actual values after enabling
- * clocking on APB1, because these values only update when APB1 functioning.*/
- RTC->CRL &= ~(RTC_CRL_RSF);
- while (!(RTC->CRL & RTC_CRL_RSF))
- ;
+ //RCC->APB1ENR |= (RCC_APB1ENR_BKPEN | RCC_APB1ENR_PWREN);
/* enable access to BKP registers */
PWR->CR |= PWR_CR_DBP;
/* select clock source */
- RCC->BDCR |= RTC_CLOCK_SOURCE;
+ RCC->BDCR |= STM32_RTC;
- chDbgCheck(((RTC_CLOCK_SOURCE == RCC_BDCR_RTCSEL_LSE) &&\
- (RTC_CLOCK_SOURCE == RCC_BDCR_RTCSEL_LSI) &&\
- (RTC_CLOCK_SOURCE == RCC_BDCR_RTCSEL_HSE)), "No clock source selected");
-
- if (RTC_CLOCK_SOURCE == RCC_BDCR_RTCSEL_LSE){
+#if STM32_RTC == STM32_RTC_LSE
if (! ((RCC->BDCR & RCC_BDCR_RTCEN) || (RCC->BDCR & RCC_BDCR_LSEON))){
RCC->BDCR |= RCC_BDCR_LSEON;
while(!(RCC->BDCR & RCC_BDCR_LSERDY))
@@ -139,26 +130,32 @@ void rtc_lld_init(void){ RCC->BDCR |= RCC_BDCR_RTCEN;
}
preload = STM32_LSECLK - 1;
- }
- else if (RTC_CLOCK_SOURCE == RCC_BDCR_RTCSEL_LSI){
+
+#elif STM32_RTC == STM32_RTC_LSI
RCC->CSR |= RCC_CSR_LSION;
while(!(RCC->CSR & RCC_CSR_LSIRDY))
;
- /* According to errata notes we must wait additional 100 uS for stabilization */
+ /* According to errata sheet we must wait additional 100 uS for stabilization */
uint32_t tmo = (STM32_SYSCLK / 1000000 ) * 100;
while(tmo--)
;
RCC->BDCR |= RCC_BDCR_RTCEN;
preload = STM32_LSICLK - 1;
- }
- else if (RTC_CLOCK_SOURCE == RCC_BDCR_RTCSEL_HSE){
+
+#elif STM32_RTC == STM32_RTC_HSE
preload = (STM32_HSICLK / 128) - 1;
- }
- else{
- chDbgPanic("Wrong");
- }
- /* Write preload register only if value changed */
+#else
+#error "RTC clock source not selected"
+#endif
+
+ /* Ensure that RTC_CNT and RTC_DIV contain actual values after enabling
+ * clocking on APB1, because these values only update when APB1 functioning.*/
+ RTC->CRL &= ~(RTC_CRL_RSF);
+ while (!(RTC->CRL & RTC_CRL_RSF))
+ ;
+
+ /* Write preload register only if its value changed */
if (preload != ((((uint32_t)(RTC->PRLH)) << 16) + RTC->PRLL)){
while(!(RTC->CRL & RTC_CRL_RTOFF))
;
@@ -174,7 +171,7 @@ void rtc_lld_init(void){ /* disable all interrupts and clear all even flags just to be safe */
RTC->CRH &= ~(RTC_CRH_OWIE | RTC_CRH_ALRIE | RTC_CRH_SECIE);
- RTC->CRL &= ~(RTC_CRL_SECF | RTC_CRL_ALRF | RTC_CRL_OWF);
+ RTC->CRL &= ~(RTC_CRL_SECF | RTC_CRL_ALRF | RTC_CRL_OWF);
#if RTC_SUPPORTS_CALLBACKS
RTCD.alarm_cb = NULL;
diff --git a/os/hal/platforms/STM32/rtc_lld.h b/os/hal/platforms/STM32/rtc_lld.h index c2c6f676b..7d7d703f0 100644 --- a/os/hal/platforms/STM32/rtc_lld.h +++ b/os/hal/platforms/STM32/rtc_lld.h @@ -47,14 +47,6 @@ #define RTC_SUPPORTS_CALLBACKS TRUE
#endif
-/**
- * @brief Clock source selecting. LSE by default.
- */
-#if !defined(RTC_CLOCK_SOURCE) || defined(__DOXYGEN__)
-#define RTC_CLOCK_SOURCE RCC_BDCR_RTCSEL_LSE
-#endif
-
-
/*===========================================================================*/
/* Derived constants and error checks. */
/*===========================================================================*/
diff --git a/os/hal/platforms/STM32F1xx/hal_lld_f100.h b/os/hal/platforms/STM32F1xx/hal_lld_f100.h index aad199528..60e42ece4 100644 --- a/os/hal/platforms/STM32F1xx/hal_lld_f100.h +++ b/os/hal/platforms/STM32F1xx/hal_lld_f100.h @@ -228,6 +228,13 @@ #define STM32_MCO STM32_MCO_NOCLOCK
#endif
+/**
+ * @brief Clock source selecting. LSI by default.
+ */
+#if !defined(STM32_RTC) || defined(__DOXYGEN__)
+#define STM32_RTC STM32_RTC_LSI
+#endif
+
/*===========================================================================*/
/* Derived constants and error checks. */
/*===========================================================================*/
diff --git a/os/hal/platforms/STM32F1xx/hal_lld_f103.h b/os/hal/platforms/STM32F1xx/hal_lld_f103.h index 4421663a0..f14ab5dc4 100644 --- a/os/hal/platforms/STM32F1xx/hal_lld_f103.h +++ b/os/hal/platforms/STM32F1xx/hal_lld_f103.h @@ -90,6 +90,11 @@ #define STM32_MCO_HSE (6 << 24) /**< HSE clock on MCO pin. */
#define STM32_MCO_PLLDIV2 (7 << 24) /**< PLL/2 clock on MCO pin. */
+#define STM32_RTC_NOCLOCK (0 << 8) /**< No clock */
+#define STM32_RTC_LSE (1 << 8) /**< LSE used as RTC clock */
+#define STM32_RTC_LSI (2 << 8) /**< LSI used as RTC clock */
+#define STM32_RTC_HSE (3 << 8) /**< HSE divided by 128 used as RTC clock */
+
/*===========================================================================*/
/* Platform specific friendly IRQ names. */
/*===========================================================================*/
@@ -251,6 +256,12 @@ #define STM32_MCO STM32_MCO_NOCLOCK
#endif
+/**
+ * @brief Clock source selecting. LSI by default.
+ */
+#if !defined(STM32_RTC) || defined(__DOXYGEN__)
+#define STM32_RTC STM32_RTC_LSI
+#endif
/*===========================================================================*/
/* Derived constants and error checks. */
/*===========================================================================*/
diff --git a/os/hal/platforms/STM32F1xx/hal_lld_f105_f107.h b/os/hal/platforms/STM32F1xx/hal_lld_f105_f107.h index 27a840ba8..52c124d2d 100644 --- a/os/hal/platforms/STM32F1xx/hal_lld_f105_f107.h +++ b/os/hal/platforms/STM32F1xx/hal_lld_f105_f107.h @@ -317,6 +317,13 @@ #define STM32_MCO STM32_MCO_NOCLOCK
#endif
+/**
+ * @brief Clock source selecting. LSI by default.
+ */
+#if !defined(STM32_RTC) || defined(__DOXYGEN__)
+#define STM32_RTC STM32_RTC_LSI
+#endif
+
/*===========================================================================*/
/* Derived constants and error checks. */
/*===========================================================================*/
|