workon making interupt work

main.c

@@ -53,6 +53,21 @@ void risingEdgeInterruptPinA1()
 	}
 }
 #endif
+
+void TIM2_IRQHandler(void)
+{
+	if(TIM2->SR & TIM_SR_UIF) {
+		
+		// clear flag
+		//TIM2->SR &= ~TIM_SR_UIF;
+		TIM2-> SR = 0;
+
+		//pinWrite(pinB3,1);
+		pinToggle(pinB3);
+	}
+}
+
+
 void LEDtoggleOnTimer2underflow()
 {
 	//timerInitCounter(timer_2, 0xFFFF, 0, upCounting);
@@ -86,6 +101,7 @@ void LEDtoggleOnTimer2underflow()
 	// reset status register
 	TIM2->SR = 0;
 
+	//NVIC_SetVector(TIM2_IRQn, (uint32_t)&TIM2_IRQHandler);
 	NVIC_SetPriority(TIM2_IRQn,0);
 	NVIC_EnableIRQ(TIM2_IRQn);
 
@@ -106,19 +122,6 @@ void LEDtoggleOnTimer2underflow()
 	}
 }
 
-void TIM2_IRQHandler(void)
-{
-	if(TIM2->SR & TIM_SR_UIF) {
-		
-		// clear flag
-		TIM2->SR &= ~TIM_SR_UIF;
-		
-		//pinWrite(pinB3,1);
-		pinToggle(pinB3);
-	}
-}
-
-
 int main(int argc, char *argv[])
 {
 	setup();