---- change i2c timing to standard 100k --

Core/Src/i2c.c

@@ -45,7 +45,8 @@ void MX_I2C2_Init(void)
   /* USER CODE END I2C2_Init 1 */
   hi2c2.Instance = I2C2;
   //hi2c2.Init.Timing = 0x20303E5D; //0x2010091A = 400K Fast Mode, 0x20303E5D, 100K Standard mode, 0x20000209 Fast Mode Plus, 1Mbps
-  hi2c2.Init.Timing = I2C2_FAST_400K;   // 2024-07-09 UPDATE
+  //hi2c2.Init.Timing = I2C2_FAST_400K;   // 2024-07-09 UPDATE
+  hi2c2.Init.Timing = I2C2_STANDARD_100K;   // 2024-07-12 UPDATE
   hi2c2.Init.OwnAddress1 = 0;
   hi2c2.Init.AddressingMode = I2C_ADDRESSINGMODE_7BIT;
   hi2c2.Init.DualAddressMode = I2C_DUALADDRESS_DISABLE;

Core/Src/main.c

@@ -112,23 +112,24 @@ int main(void)
   MX_DMA_Init();
 
   MX_I2C2_Init();
-  MX_LoRaWAN_Init();
+  //MX_LoRaWAN_Init();
   //LED_ON;
   //HAL_Delay(200);
   //LED_OFF;
-#if 0
+#if 1
   if(__HAL_PWR_GET_FLAG(PWR_FLAG_SB) == RESET)
   {
 	  //LED_ON;
 	  MX_LoRaWAN_Init();
+	  //LED_OFF;
   }
   else {
 	  LED_ON;
 	  __HAL_PWR_CLEAR_FLAG(PWR_FLAG_SB);
 	  __HAL_PWR_CLEAR_FLAG(PWR_FLAG_WU);
-	  __HAL_PWR_CLEAR_FLAG(PWR_FLAG_WPVD);
+	  //__HAL_PWR_CLEAR_FLAG(PWR_FLAG_WPVD);
-	  HAL_Delay(1000);
+	  HAL_Delay(2000);
-	  SystemApp_Init();
+	  //SystemApp_Init();
 	  LED_OFF;
   }
 #endif

Core/Src/rtc.c

@@ -69,7 +69,7 @@ void MX_RTC_Init(void)
   }
 
 
-#if 0
+#if 1
   /** Enable the Alarm A
   */
   sAlarm.BinaryAutoClr = RTC_ALARMSUBSECONDBIN_AUTOCLR_NO;
@@ -115,7 +115,6 @@ void HAL_RTC_MspInit(RTC_HandleTypeDef* rtcHandle)
 
     HAL_NVIC_SetPriority(TAMP_STAMP_LSECSS_SSRU_IRQn, 0, 0);
     HAL_NVIC_EnableIRQ(TAMP_STAMP_LSECSS_SSRU_IRQn);
-
     HAL_NVIC_SetPriority(RTC_Alarm_IRQn, 0, 0);
     HAL_NVIC_EnableIRQ(RTC_Alarm_IRQn);
 

Core/Src/stm32_lpm_if.c

@@ -154,13 +154,13 @@ void PWR_ExitStopMode(void)
     ADC interface
     DAC interface USARTx, TIMx, i2Cx, SPIx
     SRAM ctrls, DMAx, DMAMux, AES, RNG, HSEM  */
-
-  /* Resume not retained USARTx and DMA */
-  vcom_Resume();		//DON'T REMOVE THIS, KKEP LOW POWER
-  /* USER CODE BEGIN ExitStopMode_2 */
   MX_GPIO_Init();
-  MX_DMA_Init();
+    //MX_DMA_Init();
-  MX_I2C2_Init();
+    //MX_I2C2_Init();
+  /* Resume not retained USARTx and DMA */
+  //vcom_Resume();		//DON'T REMOVE THIS, KKEP LOW POWER
+  /* USER CODE BEGIN ExitStopMode_2 */
+
 
   /* USER CODE END ExitStopMode_2 */
 }

Core/Src/sys_app.c

@@ -118,7 +118,7 @@ void SystemApp_Init(void)
 
   /*Initialize the Sensors */
   EnvSensors_Init();
-  MX_TOF_Init();
+  //MX_TOF_Init();
   /*Init low power manager*/
   UTIL_LPM_Init();
   /* Disable Stand-by mode */

LoRaWAN/App/lora_app.c

@@ -815,7 +815,7 @@ static void SendTxData(void)
 	  STS_R0_SENSOR_Read(&r0_data);
 	  //HAL_Delay(1000);
 	  PME_OFF;
-	  LED_OFF;
+	  //LED_OFF;
 	  r0_data.battery_Pct = (uint8_t)(99*batteryLevel/254);
 
 #endif
@@ -908,7 +908,7 @@ static void SendTxData(void)
     UTIL_TIMER_SetPeriod(&TxTimer, MAX(nextTxIn, TxPeriodicity));
     UTIL_TIMER_Start(&TxTimer);
   }
-
+  LED_OFF;
   /* USER CODE END SendTxData_1 */
 }
 
@@ -1020,7 +1020,7 @@ static void OnJoinRequest(LmHandlerJoinParams_t *joinParams)
   }
   //heart_beat_timer = 1;
   SendTxData();
-  UTIL_SEQ_SetTask((1 << CFG_SEQ_Task_LoRaSendOnTxTimerOrButtonEvent), CFG_SEQ_Prio_0);
+  //UTIL_SEQ_SetTask((1 << CFG_SEQ_Task_LoRaSendOnTxTimerOrButtonEvent), CFG_SEQ_Prio_0);
   //STS_SENSOR_Upload_Message(LORAWAN_USER_HTBT_PORT, 12,"Yunhorn88STS");
   //STS_SENSOR_Upload_Message(LORAWAN_USER_HTBT_PORT, 12,"Yunhorn88STS");
 

TOF/App/X-WL55_WLE5_53L0X.c

@@ -148,7 +148,8 @@ int XWL55_WLE5_53L0X_I2C2Configure() {
 
     XNUCLEO53L1A1_hi2c.Instance = I2C2;
     //XNUCLEO53L1A1_hi2c.Init.Timing = 0x00300F38; /* set 400KHz fast mode i2c*/
-    XNUCLEO53L1A1_hi2c.Init.Timing = I2C2_FAST_400K;  //UPDATE 2024-07-09
+    //XNUCLEO53L1A1_hi2c.Init.Timing = I2C2_FAST_400K;  //UPDATE 2024-07-09
+    XNUCLEO53L1A1_hi2c.Init.Timing = I2C2_STANDARD_100K; // UPDATE 2024-07-12
     //XNUCLEO53L1A1_hi2c.Init.Timing = 0x2010091A; //0x2010091A = 400K Fast Mode, 0x20303E5D, 100K Standard mode, 0x20000209 Fast Mode Plus, 1Mbps
 
     XNUCLEO53L1A1_hi2c.Init.OwnAddress1 = 0;