добавлена проверка - не превышает ли номер вывода из аргумента функции общее кол-во выводов

variants/elsomik/pins_arduino.h

@@ -95,13 +95,7 @@ static const uint8_t A7 = PIN_A7;
 // determines the address of the port by the board pin number to which this pin belongs on the MCU
 GPIO_TypeDef* digitalPinToPort(uint32_t digPinNumber);     
 // determines the pin address inside the port by the board pin number
-static inline HAL_PinsTypeDef digitalPinToBitMask(uint32_t digitalPinNumber)
-{
-  if (digitalPinNumber >= P2_6)
-    return (HAL_PinsTypeDef)(1 << ((digitalPinNumber+6) & 0xF));
-  else
-    return (HAL_PinsTypeDef)(1 << (digitalPinNumber & 0xF));
-}
+HAL_PinsTypeDef digitalPinToBitMask(uint32_t digitalPinNumber);
 // total number of pins available for initialization
 static inline uint16_t pinCommonQty(void)
 {

variants/elsomik/variant.c

@@ -23,6 +23,12 @@
 
 GPIO_TypeDef *digitalPinToPort(uint32_t digitalPinNumber)
 {
+  if (digitalPinNumber >= pinCommonQty())
+  {
+    ErrorMsgHandler("digitalPinToPort(): pin number exceeds the total number of pins");
+    return NULL;
+  }
+
   if (digitalPinNumber <= P0_15)
     return GPIO_0;
   else if ((digitalPinNumber >= P1_0) && (digitalPinNumber <= P1_15))
@@ -33,6 +39,21 @@ GPIO_TypeDef *digitalPinToPort(uint32_t digitalPinNumber)
     return NULL;
 }
 
+// determines the pin address inside the port by the board pin number
+HAL_PinsTypeDef digitalPinToBitMask(uint32_t digitalPinNumber)
+{
+  if (digitalPinNumber >= PINS_COMMON_QTY)
+  {
+    ErrorMsgHandler("digitalPinToBitMask(): pin number exceeds the total number of pins");
+    return NC;
+  }
+
+  if (digitalPinNumber >= P2_6)
+    return (HAL_PinsTypeDef)(1 << ((digitalPinNumber+6) & 0xF));
+  else
+    return (HAL_PinsTypeDef)(1 << (digitalPinNumber & 0xF));
+}
+
 // the function returns a reference to the OUTPUT address of the GPIO register
 volatile uint32_t *portOutputRegister(GPIO_TypeDef *GPIO_x)
 {