New LF with new buttons for CNano

Session1-LF/Task2-LF.c

@@ -15,21 +15,25 @@
 #include <util/delay.h>
 
 /*
-* Check out the ATtiny4809 datasheet to find the correct ports and pins 
-*/
+ * Take a look at the Atmega4809 Curiosity Nano board and locate "SW0" and "LED0".
+ * Right below each of them you can see which pin they are connected to. For example, if it said PD5, this would mean Port D and Pin 5.
+ * This info can also be found in the ATmega4809 Curiosity Nano Hardware User Guide here: http://ww1.microchip.com/downloads/en/DeviceDoc/ATmega4809-Curiosity-Nano-HW-UG-DS50002804A.pdf to find the correct ports and pins 
+ */
+
+//Fill in the defines with the information you found on the board/in the user guide.
 
 // LED
-#define LED0 4 //On port D
+#define LED0  //Fill in pin number
 
 // Button
-#define SW0 2 //On port C
+#define SW0  //Fill in pin number
 
 int main(void)
 {
 	/*
 	 * We want to send signals to the LEDs, in order to turn it off and on.
 	 * We also want to be able to read the switches.
-	 * This is done by setting bits in the PORTx.DIR register (in this case PORTD.DIR and PORTC.DIR)
+	 * This is done by setting bits in the PORTx.DIR register (in this case PORTF.DIR)
 	 * PORTx.DIR: 1 is output, 0 is input
 	 * LED: 1 LED is off, 0 LED is on
 	 * Button: 1 Button is open, 0 button is pressed
@@ -41,7 +45,7 @@ int main(void)
 	/**
 	 * In order to read from the switches, we need to give it a ground reference, via a pull-up resistor.
 	 * If we don't, the switch will have a floating ground, and hence its value will be undefined.
-	 * On the ATtiny4809, we enable pull-up by setting the "PORT_PULLUPEN" flag in "PORTx.PINnCTRL" high.
+	 * On the ATmega4809, we enable pull-up by setting the "PORT_PULLUPEN" flag in "PORTx.PINnCTRL" high.
 	 * See datasheet section 15 (I/O-ports).
 	 */
     
@@ -52,11 +56,6 @@ int main(void)
 	 * 3 - Enable pull-up on button SW0
 	 */
 	
-	PORTD.DIR |= (1 << LED0); // Set LED0 as output
-	PORTC.DIR &= ~(1 << SW0); //Set SW0 as input
-	
-	PORTB.PIN2CTRL |= (1 << PORT_PULLUPEN_bp); //Enable pull-up on button SW0 (pin5)
-	
     while (1) 
     {
     	/*
@@ -77,13 +76,5 @@ int main(void)
 		* 3 - if not, turn the LED off
 		*/
 		
-		if(!(PORTC.IN & (1 << SW0))){ // If button is pressed (0 - LOW
-			PORTD.OUT &= ~(1 << LED0); // Sets output to 0, turns LED0 on
-		}
-		
-		else{
-			PORTD.OUT |= (1 << LED0); // Sets output to 1, turns LED off
-		}
-		
     }
 }