Finished EXTI abstraction

SHAL/Src/EXT/SHAL_EXTI_CALLBACK.cpp

@@ -0,0 +1,40 @@
+//
+// Created by Luca on 9/3/2025.
+//
+
+#include "SHAL_EXTI_CALLBACK.h"
+
+#if defined(STM32F030x6)
+#elif defined(STM32F030x8)
+#elif defined(STM32F031x6)
+#elif defined(STM32F038xx)
+#elif defined(STM32F042x6)
+#elif defined(STM32F048xx)
+#elif defined(STM32F051x8)
+#elif defined(STM32F058xx)
+#elif defined(STM32F070x6)
+#elif defined(STM32F070xB)
+#elif defined(STM32F071xB)
+#elif defined(STM32F072xB)
+
+DEFINE_MULTI_EXTI_IRQ(0,1);
+DEFINE_MULTI_EXTI_IRQ(2,3);
+DEFINE_MULTI_EXTI_IRQ(4,15);
+
+#elif defined(STM32F078xx)
+#include "stm32f078xx.h"
+#elif defined(STM32F091xC)
+  #include "stm32f091xc.h"
+#elif defined(STM32F098xx)
+  #include "stm32f098xx.h"
+#elif defined(STM32F030xC)
+  #include "stm32f030xc.h"
+#else
+ #error "Please select first the target STM32F0xx device used in your application (in stm32f0xx.h file)"
+#endif
+
+
+//Link function to EXTI line
+void registerEXTICallback(GPIO_Key key, EXTICallback callback){
+    EXTI_callbacks[getGPIORegister(key).global_offset] = callback;
+}