STM32LoRaWan set the setRTCMode before the rtc.begin to set MIX mode

The RTC.begin does not propose the RTCmode parameter.
This is configured with the setRTCMode method before .begin
The RTC irq (for Alarm B) is handled directly by the STM32RTC library

Signed-off-by: Francois Ramu <francois.ramu@st.com>

Author: FRASTM

src/BSP/rtc.c

@@ -140,17 +140,6 @@ void HAL_RTC_MspDeInit(RTC_HandleTypeDef* rtcHandle)
   }
 }
 
-void RTC_Alarm_IRQHandler(void)
-{
-  /* USER CODE BEGIN RTC_Alarm_IRQn 0 */
-
-  /* USER CODE END RTC_Alarm_IRQn 0 */
-  HAL_RTC_AlarmIRQHandler(&hrtc);
-  /* USER CODE BEGIN RTC_Alarm_IRQn 1 */
-
-  /* USER CODE END RTC_Alarm_IRQn 1 */
-}
-
 /* USER CODE BEGIN 1 */
 
 /* USER CODE END 1 */

src/STM32LoRaWAN.cpp

@@ -71,7 +71,8 @@ bool STM32LoRaWAN::begin(_lora_band band)
    * the sub-second counter RTC_SSR on 32 bit
     */
   rtc.setClockSource(STM32RTC::LSE_CLOCK);
-  rtc.begin(true, STM32RTC::HOUR_24, STM32RTC::MODE_MIX);
+  rtc.setRTCMode(STM32RTC::MODE_MIX);
+  rtc.begin(true, STM32RTC::HOUR_24);
   /* Attach the callback function before enabling Interrupt */
   rtc.attachInterrupt(UTIL_TIMER_IRQ_MAP_PROCESS, STM32RTC::ALARM_B);
   /* The subsecond alarm B is set during the StartTimerEvent */