Refactors for L432KC done for all peripherals except GPIO

SHAL/Src/main.cpp

@@ -1,12 +1,50 @@
 #include "SHAL.h"
 
 #include <cstdlib>
+#include <cstdio>
+
+void togglePin() {
+
+    //PIN(B4).toggle();
+    //SHAL_UART2.sendString("Test\r\n");
+}
+
+void timer2callback(){
+    auto val = PIN(B7).analogRead();
+
+    char buf [6];
+    sprintf (buf, "%d\r\n", val);
+
+    SHAL_UART2.sendString(buf);
+}
 
 int main() {
 
+    SHAL_init();
+
+
+    PIN(B4).setPinMode(PinMode::OUTPUT_MODE);
+    PIN(B4).setLow();
+
+    PIN(B3).setPinMode(PinMode::OUTPUT_MODE);
+
+    SHAL_UART2.init(UART_Pair_Key::Tx2A2_Rx2A3);
+
+    SHAL_UART2.begin(115200);
+
+
+    SHAL_UART2.sendString("Hello\r\n");
+
+
+    SHAL_TIM2.init(8000000,1000);
+
+    SHAL_TIM2.setCallbackFunc(timer2callback);
+    SHAL_TIM2.enableInterrupt();
+    SHAL_TIM2.start();
+
     //End setup
 
     while (true) {
-    	__WFI();
+
     }
 }