change the set/get prescaler divider Interface in case of stm32F1

The stm32F1 prescaler is asynchronous and mapped on a 32bit param.

Signed-off-by: Francois Ramu <[email protected]>

Author: FRASTM

src/STM32RTC.cpp

@@ -133,6 +133,19 @@ void STM32RTC::setClockSource(Source_Clock source)
   }
 }
 
+#if defined(STM32F1xx)
+/**
+  * @brief  get user asynchronous prescaler value for the current clock source.
+  * @param  predivA: pointer to the current Asynchronous prescaler value
+  * @param  dummy : not used (kept for compatibility reason)
+  * @retval None
+  */
+void STM32RTC::getPrediv(uint32_t *predivA, int16_t *dummy)
+{
+  UNUSED(dummy);
+  RTC_getPrediv(predivA);
+}
+#else
 /**
   * @brief  get user (a)synchronous prescaler values if set else computed
   *         ones for the current clock source.
@@ -146,7 +159,22 @@ void STM32RTC::getPrediv(int8_t *predivA, int16_t *predivS)
     RTC_getPrediv(predivA, predivS);
   }
 }
+#endif /* STM32F1xx */
 
+#if defined(STM32F1xx)
+/**
+  * @brief  set user asynchronous prescalers value.
+  * @note   This method must be called before begin().
+  * @param  predivA: Asynchronous prescaler value. Reset value: RTC_AUTO_1_SECOND
+  * @param  dummy : not used (kept for compatibility reason)
+  * @retval None
+  */
+void STM32RTC::setPrediv(uint32_t predivA, int16_t dummy)
+{
+  UNUSED(dummy);
+  RTC_setPrediv(predivA);
+}
+#else
 /**
   * @brief  set user (a)synchronous prescalers value.
   * @note   This method must be called before begin().
@@ -158,6 +186,7 @@ void STM32RTC::setPrediv(int8_t predivA, int16_t predivS)
 {
   RTC_setPrediv(predivA, predivS);
 }
+#endif /* STM32F1xx */
 
 /**
   * @brief enable the RTC alarm.

src/STM32RTC.h

@@ -189,9 +189,13 @@ class STM32RTC {
     void setY2kEpoch(uint32_t ts);
     void setAlarmEpoch(uint32_t ts, Alarm_Match match = MATCH_DHHMMSS, uint32_t subSeconds = 0);
 
+#if defined(STM32F1xx)
+    void getPrediv(uint32_t *predivA, int16_t *dummy = nullptr);
+    void setPrediv(uint32_t predivA, int16_t dummy = 0);
+#else
     void getPrediv(int8_t *predivA, int16_t *predivS);
     void setPrediv(int8_t predivA, int16_t predivS);
-
+#endif /* STM32F1xx */
     bool isConfigured(void)
     {
       return _configured;