вспомогательные функции и функции digital вынесены в ram для увеличения быстродействия

cores/arduino/wiring_digital.c

@@ -95,7 +95,7 @@ void fastPinMode(uint32_t PinNumber, uint32_t PinMode)
 }
 
 // write pin
-void digitalWrite(uint32_t PinNumber, uint32_t Val)
+__attribute__((noinline, section(".ram_text"))) void digitalWrite(uint32_t PinNumber, uint32_t Val)
 {
   if ((PinNumber>=pinCommonQty()))
   {
@@ -103,50 +103,46 @@ void digitalWrite(uint32_t PinNumber, uint32_t Val)
     return;
   }
   
-  GPIO_TypeDef* port  = digitalPinToPort(PinNumber);
-  HAL_PinsTypeDef pin = digitalPinToBitMask(PinNumber);
-
   if (digitalPinPwmIsOn(PinNumber))
     // if the pin can use PWM, disable PWM
     analogWriteStop(PinNumber);
 
   if (Val == HIGH)
-    GPIO_SET_PIN(port, pin);
+    GPIO_SET_PIN(digitalPinToPort(PinNumber), digitalPinToBitMask(PinNumber));
   else
-    GPIO_CLEAR_PIN(port, pin);
+    GPIO_CLEAR_PIN(digitalPinToPort(PinNumber), digitalPinToBitMask(PinNumber));
 }
 
 // read pin
-int digitalRead(uint32_t PinNumber)
+__attribute__((noinline, section(".ram_text"))) int digitalRead(uint32_t PinNumber)
 { 
   if ((PinNumber>=pinCommonQty()))
   {
     ErrorMsgHandler("digitalRead(): pin number exceeds the total number of pins");
     return -1;
   }
-  GPIO_TypeDef* port  = digitalPinToPort(PinNumber);
-  HAL_PinsTypeDef pin = digitalPinToBitMask(PinNumber);
 
   if (digitalPinPwmIsOn(PinNumber))
     // if the pin can use PWM, disable PWM
     analogWriteStop(PinNumber);
 
-  return GPIO_READ_PIN(port, pin);
+  return GPIO_READ_PIN(digitalPinToPort(PinNumber), digitalPinToBitMask(PinNumber));
 }
 
 // toggle pin
-void digitalToggle(uint32_t PinNumber)
+__attribute__((noinline, section(".ram_text"))) void digitalToggle(uint32_t PinNumber)
 {
   if ((PinNumber>=pinCommonQty()))
   {
     ErrorMsgHandler("digitalToggle(): pin number exceeds the total number of pins");
     return;
   }
-  if (digitalPinHasPWM(PinNumber))
+
+  if (digitalPinPwmIsOn(PinNumber))
     // if the pin can use PWM, disable PWM
     analogWriteStop(PinNumber);
-    
-  HAL_GPIO_TogglePin(digitalPinToPort(PinNumber), digitalPinToBitMask(PinNumber));
+
+  GPIO_TOGGLE_PIN(digitalPinToPort(PinNumber), digitalPinToBitMask(PinNumber));
 }
 
 #ifdef __cplusplus