Update variants\STM32L4xx\L496R(E-G)T_L4A6RGT\PeripheralPins_CBOT_L496.c

updated pinout to latest hardware revision
enabled LSE as RTC clock
enabled CSS for HSE and LSE clocks

Author: fronders

variants/STM32L4xx/L496R(E-G)T_L4A6RGT/variant_CBOT_L496.cpp

@@ -36,6 +36,10 @@ const PinName digitalPin[] = {
   PB_4,   // SARA_RTS
   PB_5,   // SARA_CTS
   PB_6,   // Button_LED
+  PB_9,   // DONE (TPL5110 power timer)
+  PC_1,   // DETECT (AD5933 electrode)
+  PC_9,   // BAT_CHRG
+  PA_8,   // BAT_CON
 };
 
 // Analog (Ax) pin number array
@@ -65,15 +69,19 @@ WEAK void SystemClock_Config(void)
     Error_Handler();
   }
 
+  /* Configure LSE Drive Capability */
+  HAL_PWR_EnableBkUpAccess();
+  __HAL_RCC_LSEDRIVE_CONFIG(RCC_LSEDRIVE_LOW);
+
   /*
    * Initializes the RCC Oscillators according to the specified parameters
    * in the RCC_OscInitTypeDef structure.
    */
-  RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSI48 | RCC_OSCILLATORTYPE_LSI
-                                     | RCC_OSCILLATORTYPE_HSE;
+  RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSI48 | RCC_OSCILLATORTYPE_HSE
+                                     | RCC_OSCILLATORTYPE_LSE;
   RCC_OscInitStruct.HSEState = RCC_HSE_ON;
+  RCC_OscInitStruct.LSEState = RCC_LSE_ON;
   RCC_OscInitStruct.HSI48State = RCC_HSI48_ON;
-  RCC_OscInitStruct.LSIState = RCC_LSI_ON;
   RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON;
   RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_HSE;
   RCC_OscInitStruct.PLL.PLLM = 1;
@@ -96,12 +104,18 @@ WEAK void SystemClock_Config(void)
     Error_Handler();
   }
 
+  /* Enables the Clock Security System */
+  HAL_RCC_EnableCSS();
+
+  /* Enables the Clock Security System */
+  HAL_RCCEx_EnableLSECSS();
+
   /* Initializes the peripherals clock */
   PeriphClkInit.PeriphClockSelection = RCC_PERIPHCLK_USB | RCC_PERIPHCLK_SDMMC1
                                        | RCC_PERIPHCLK_RTC;
   PeriphClkInit.UsbClockSelection = RCC_USBCLKSOURCE_HSI48;
   PeriphClkInit.Sdmmc1ClockSelection = RCC_SDMMC1CLKSOURCE_HSI48;
-  PeriphClkInit.RTCClockSelection = RCC_RTCCLKSOURCE_LSI;
+  PeriphClkInit.RTCClockSelection = RCC_RTCCLKSOURCE_LSE;
   if (HAL_RCCEx_PeriphCLKConfig(&PeriphClkInit) != HAL_OK) {
     Error_Handler();
   }

variants/STM32L4xx/L496R(E-G)T_L4A6RGT/variant_CBOT_L496.h

@@ -47,6 +47,12 @@
 
 #define PB6                     20  // Button_LED
 
+#define PB9                     21  // DONE (TPL5110 power timer)
+#define PC1                     22  // DETECT (AD5933 electrode)
+
+#define PC9                     23  // BAT_CH
+#define PA8                     24  // BAT_CON
+
 // Alternate pins number
 #define PA0_ALT1                (PA0  | ALT1)
 #define PA1_ALT1                (PA1  | ALT1)
@@ -97,7 +103,7 @@
 #define PC10_ALT1               (PC10 | ALT1)
 #define PC11_ALT1               (PC11 | ALT1)
 
-#define NUM_DIGITAL_PINS        21
+#define NUM_DIGITAL_PINS        25
 #define NUM_ANALOG_INPUTS       0
 
 // On-board LED pin number
@@ -157,6 +163,7 @@
 
 // Value of the External oscillator in Hz
 #define HSE_VALUE               8000000U
+#define LSE_VALUE               32768U
 
 // Extra HAL modules