Session 1 ported to ATmega4809

Session1-LF/Task1-LF.c

@@ -15,7 +15,7 @@
  * F_CPU must be defined before including headers.
  */
 
-#define F_CPU 3333333UL //The ATtiny4809 operates at 20MHz with a default scaling factor of 6: 20/6 = 3.333333MHz
+#define F_CPU 3333333UL //The ATmega4809 operates at 20MHz with a default scaling factor of 6: 20/6 = 3.333333MHz
 
 /**
  * System headers bellow
@@ -26,13 +26,13 @@
 
 /**
  * Define helpers for pin bit positions.
- * The LED0 on the ATtiny4809 main board is connected to pin 4 on port D.
+ * The LED0 on the ATmega4809 main board is connected to pin 5 on port F.
  * Check the datasheet to find out which pins on which ports the different LEDs and buttons are connected to.
  */
 
 
 
-#define LED0	4			// LED 1 is connected to pin 4 on PORTD
+#define LED0	5			// LED 1 is connected to pin 5 on PORTF
 
 
 
@@ -50,7 +50,7 @@ int main(void){
 	 * Toogle bit:	FLAG ^= ( 1 << BIT_POS ) - using bitwise xor, toogles the bit at BIT_POS
 	 */
 
-	PORTD.DIR |= (1 << LED0); // Set LED0 as output - Using "D" in PORTx.DIR since the LED is connected to port D on the microcontroller
+	PORTF.DIR |= (1 << LED0); // Set LED0 as output - Using "D" in PORTx.DIR since the LED is connected to port D on the microcontroller
 	
 	/*
 	* The usual way to run microcontrollers is using a simple infinite loop
@@ -58,9 +58,9 @@ int main(void){
 
     while (1) 
     {
-		PORTD.OUT ^= (1 << LED0); // Changes the state of LED0 by XOR-ing the last state. Check the XOR-table to find out how this works. 
-		// Non-compressed: PORTD.OUT = PORTD.OUT ^ (1 << LED0);
-		//Can also refer to toogle register: PORTD.OUTTGL = (1 << LED0). IMPORTANT: only use equal sign here (=)
+		PORTF.OUT ^= (1 << LED0); // Changes the state of LED0 by XOR-ing the last state. Check the XOR-table to find out how this works. 
+		// Non-compressed: PORTF.OUT = PORTF.OUT ^ (1 << LED0);
+		//Can also refer to toogle register: PORTF.OUTTGL = (1 << LED0). IMPORTANT: only use equal sign here (=)
 		_delay_ms(500);
     }
 }

Session1-LF/Task2-LF.c

@@ -15,21 +15,21 @@
 #include <util/delay.h>
 
 /*
-* Check out the ATtiny4809 datasheet to find the correct ports and pins 
+* Check out the ATmega4809 datasheet to find the correct ports and pins 
 */
 
 // LED
-#define LED0 4 //On port D
+#define LED0 5 //On port F
 
 // Button
-#define SW0 2 //On port C
+#define SW0 6 //On port C
 
 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 and 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 +41,7 @@ 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).
 	 */
     
@@ -52,10 +52,10 @@ 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
+	PORTF.DIR |= (1 << LED0); // Set LED0 as output
+	PORTF.DIR &= ~(1 << SW0); //Set SW0 as input
 	
-	PORTB.PIN2CTRL |= (1 << PORT_PULLUPEN_bp); //Enable pull-up on button SW0 (pin5)
+	PORTF.PIN5CTRL |= (1 << PORT_PULLUPEN_bp); //Enable pull-up on button SW0 (pin5)
 	
     while (1) 
     {
@@ -77,12 +77,12 @@ 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
+		if(!(PORTF.IN & (1 << SW0))){ // If button is pressed (0 - LOW
+			PORTF.OUT &= ~(1 << LED0); // Sets output to 0, turns LED0 on
 		}
 		
 		else{
-			PORTD.OUT |= (1 << LED0); // Sets output to 1, turns LED off
+			PORTF.OUT |= (1 << LED0); // Sets output to 1, turns LED off
 		}
 		
     }

Session1-LF/Task3-LF.c

@@ -12,10 +12,10 @@
 #include <stdbool.h>
 
 //LED
-#define LED0 4 //on port D
+#define LED0 5 //on port D
 
 //Button
-#define SW0 2 //on port C
+#define SW0 6 //on port C
 
 int main(void)
 {
@@ -29,7 +29,7 @@ int main(void)
 	 * Set to 0: REG &= ~( 1 << BIT_POS )
 	 * This is called "read-modify-write". 
 	 *
-	 * The ATtiny4809 also has special port registers that can do some of this for you.
+	 * The ATmega4809 also has special port registers that can do some of this for you.
 	 * Read what PORTx.DIRSET, .DIRCLR and .DIRTGL do to the PORTx.DIR register, 
 	 * And similarly what PORTx.OUTSET, .OUTCLR and .OUTTGL do to PORTx.OUT 
 	 * (HINT: see chapter 15.5 of the datasheet)
@@ -40,16 +40,16 @@ int main(void)
 
 	*/
 
-	PORTD.DIRSET = (1 << LED0); // Set LED0 as output
-	//Alt: PORTD.DIR |= (1 << LED0); 
+	PORTF.DIRSET = (1 << LED0); // Set LED0 as output
+	//Alt: PORTF.DIR |= (1 << LED0); 
 	
-	PORTD.OUTSET = (1 << LED0); // Set LED0 output high (turns off the led, since the led is active low)
-	//Alt: PORTD.OUT |= (1 << LED0);
+	PORTF.OUTSET = (1 << LED0); // Set LED0 output high (turns off the led, since the led is active low)
+	//Alt: PORTF.OUT |= (1 << LED0);
 
-	PORTC.DIRCLR = (1 << SW0); // Set SW0 as input (default)
-	//Alt: PORTC.DIR &= ~(1 << SW0); 
+	PORTF.DIRCLR = (1 << SW0); // Set SW0 as input (default)
+	//Alt: PORTF.DIR &= ~(1 << SW0); 
 	
-	PORTC.PIN2CTRL |= (1 << 3); // Enable pull-up on button SW
+	PORTF.PIN2CTRL |= (1 << 3); // Enable pull-up on button SW
 	//eller bruk PORT_PULLUPEN_bp som er lik 3 (_bp = Bit Position)
 
 	
@@ -57,11 +57,11 @@ int main(void)
 	
     while (1) 
     {
-		if(!(PORTC.IN & (1 << SW0))){
+		if(!(PORTF.IN & (1 << SW0))){
 			if(buttonState == 0){
 				
-				PORTD.OUTTGL = ( 1 << LED0);
-				//Alt: PORTD.OUT ^= (1 << LED0);
+				PORTF.OUTTGL = ( 1 << LED0);
+				//Alt: PORTF.OUT ^= (1 << LED0);
 
 				buttonState = 1;
 			}

Session1-LF/Tasks_session1.txt

 ---Session 1---
 
 
+
 Task 1:
 
 Learn how to open Atmel Studio.
@@ -8,16 +9,19 @@ Read the code, what do you think it does?
 Learn how to upload code.
 
 
+
 Task 2:
 
 Set up a button with pullup. Use this to control the led.
 
 
+
 Task 3:
 
 Add aditional logic so that the button toggles the led.
 
 
+
 Task 4: (OPTIONAL)
 
 Add the OLED board.

Session1/Task1/main.c → Session1/Task1-blink/main.c

+
 /*
  * Task1.c
  *
@@ -14,7 +15,7 @@
  * F_CPU must be defined before including headers.
  */
 
-#define F_CPU 3333333UL //The ATtiny4809 operates at 20MHz with a default scaling factor of 6: 20/6 = 3.333333MHz
+#define F_CPU 3333333UL //The ATmega4809 operates at 20MHz with a default scaling factor of 6: 20/6 = 3.333333MHz
 
 /**
  * System headers bellow
@@ -25,13 +26,13 @@
 
 /**
  * Define helpers for pin bit positions.
- * The LED0 on the ATtiny4809 main board is connected to pin 4 on port D.
+ * The LED0 on the ATmega4809 main board is connected to pin 5 on port F.
  * Check the datasheet to find out which pins on which ports the different LEDs and buttons are connected to.
  */
 
 
 
-#define LED0	4			// LED 1 is connected to pin 4 on PORTD
+#define LED0	5			// LED 1 is connected to pin 5 on PORTF
 
 
 
@@ -49,7 +50,7 @@ int main(void){
 	 * Toogle bit:	FLAG ^= ( 1 << BIT_POS ) - using bitwise xor, toogles the bit at BIT_POS
 	 */
 
-	PORTD.DIR |= (1 << LED0); // Set LED0 as output - Using "D" in PORTx.DIR since the LED is connected to port D on the microcontroller
+	PORTF.DIR |= (1 << LED0); // Set LED0 as output - Using "D" in PORTx.DIR since the LED is connected to port D on the microcontroller
 	
 	/*
 	* The usual way to run microcontrollers is using a simple infinite loop
@@ -57,9 +58,9 @@ int main(void){
 
     while (1) 
     {
-		PORTD.OUT ^= (1 << LED0); // Changes the state of LED0 by XOR-ing the last state. Check the XOR-table to find out how this works. 
-		// Non-compressed: PORTD.OUT = PORTD.OUT ^ (1 << LED0);
-		//Can also refer to toogle register: PORTD.OUTTGL = (1 << LED0). IMPORTANT: only use equal sign here (=)
+		PORTF.OUT ^= (1 << LED0); // Changes the state of LED0 by XOR-ing the last state. Check the XOR-table to find out how this works. 
+		// Non-compressed: PORTF.OUT = PORTF.OUT ^ (1 << LED0);
+		//Can also refer to toogle register: PORTF.OUTTGL = (1 << LED0). IMPORTANT: only use equal sign here (=)
 		_delay_ms(500);
     }
 }

Session1/Task2/main.c → Session1/Task2-button/main.c

@@ -15,7 +15,7 @@
 #include <util/delay.h>
 
 /*
-* Check out the ATtiny4809 datasheet to find the correct ports and pins 
+* Check out the ATmega4809 datasheet to find the correct ports and pins 
 */
 
 // LED
@@ -29,7 +29,7 @@ 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 PORTD.DIR and PORTD.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 +41,7 @@ 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).
 	 */
     

Session1/Task3/main.c → Session1/Task3-debouncing/main.c

@@ -30,7 +30,7 @@ int main(void)
 	 * Set to 0: REG &= ~( 1 << BIT_POS )
 	 * This is called "read-modify-write". 
 	 *
-	 * The ATtiny4809 also has special port registers that can do some of this for you.
+	 * The ATmega4809 also has special port registers that can do some of this for you.
 	 * Read what PORTx.DIRSET, .DIRCLR and .DIRTGL do to the PORTx.DIR register, 
 	 * And similarly what PORTx.OUTSET, .OUTCLR and .OUTTGL do to PORTx.OUT 
 	 * (HINT: see chapter 15.5 of the datasheet)