diff --git a/bsl/csl/stm32f042/Src/delay.c b/bsl/csl/stm32f042/Src/delay.c
index 8dd36df..fa4f7af 100644
--- a/bsl/csl/stm32f042/Src/delay.c
+++ b/bsl/csl/stm32f042/Src/delay.c
@@ -10,7 +10,6 @@ void delayInitMs(uint32_t clk, uint32_t ticks)
 
 void delayMs(uint16_t delay)
 {
-	uint16_t i = 0; 
 	while (delay)
 	{
 		if ((SysTick->CTRL & SysTick_CTRL_COUNTFLAG_Msk) != 0U)
diff --git a/doxyfile.in.bak b/doxyfile.in.bak
deleted file mode 100644
index e246a54..0000000
--- a/doxyfile.in.bak
+++ /dev/null
@@ -1 +0,0 @@
-INPUT = @CMAKE_CURRENT_SOURCE_DIR@/bsl/csl/stm32f042/Src/ @CMAKE_CURRENT_SOURCE_DIR@/bsl/csl/interfaces/
diff --git a/pin_stuff/pin.hpp b/ideas/pin_stuff/pin.hpp
similarity index 100%
rename from pin_stuff/pin.hpp
rename to ideas/pin_stuff/pin.hpp
diff --git a/main.cpp b/main.cpp
index 0fda762..e99a1b3 100644
--- a/main.cpp
+++ b/main.cpp
@@ -22,10 +22,12 @@ int main(int argc, char *argv[])
 				NO_PARITY_CTRL,
 				noFlowControl); 
 
-//	print_Usart(usart2, ASCII_clear); 
+	//clears screen and send the wellcome messgae
+	print_Usart(usart2, ASCII_clear); 
 	print_Usart(usart2, const_cast<char *>("Wellcome to our KED project\n\r")); 
 	
 
+	//blinks 10 times to indicate the sicsessfull init if the device
 	for(i = 0 ; i < 10 ; i++)
 	{
 		delayMs(100); 
@@ -35,12 +37,11 @@ int main(int argc, char *argv[])
 	
 	pinWrite(pinB3,0);
 	
-	//usartSendChar(usart2, a);		
 	while(1)
 	{
+		//USART will rteturn what wou type and trun led on if you press "1"
 		a =	usartGetChar(usart2); 
 		usartSendChar(usart2, a);			
-
 		if(a == '1')
 		{
 			pinWrite(pinB3,1);
@@ -50,7 +51,7 @@ int main(int argc, char *argv[])
 			pinWrite(pinB3,0);
 		}	
 
-/*
+		//test if the gpio port works as an input
 		if(pinRead(pinA0))
 		{
 			pinWrite(pinB3,1);
@@ -59,7 +60,6 @@ int main(int argc, char *argv[])
 		{
 			pinWrite(pinB3,0);
 		}
-	*/	
 		delayMs(100); 
 	}
 	return 1;