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attinykurs
Commit 65f56d48 authored by BuildTools's avatar BuildTools
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Fixed tasks until PWM, whcih dosent work

parent 55bcbee3
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      Session1-LF/Task1-LF.c
      View file @ 65f56d48
      /*
      * Task1-LF.c
      * Task1.c
      *
      * Created: 29.01.2017 23:43:39
      * Created: 11.02.2017 23:37:53
      * Author : Petter
      */
      /**
      * F_CPU tells the timer what the CPU's clock frequency is, such that the timer will count correctly.
      * Note that this DOES NOT set the clock speed, it just informs the timer.
      ......@@ -13,7 +15,7 @@
      * F_CPU must be defined before including headers.
      */
      #define F_CPU 3333333UL //The ATtiny817 operates at 20MHz with a default scaling factor of 6: 20/6 = 3.333333MHz
      #define F_CPU 3333333UL //The ATtiny4809 operates at 20MHz with a default scaling factor of 6: 20/6 = 3.333333MHz
      /**
      * System headers bellow
      ......@@ -24,26 +26,31 @@
      /**
      * Define helpers for pin bit positions.
      * The LED0 on the ATmega324PB main board is connected to pin 4 on port B.
      * The LED0 on the ATtiny4809 main board is connected to pin 4 on port D.
      * Check the datasheet to find out which pins on which ports the different LEDs and buttons are connected to.
      */
      #define LED0 4 // LED0 is connected to pin 4 on port B (PIN4_bp)
      #define LED0 4 // LED 1 is connected to pin 4 on PORTD
      int main(void){
      /**
      * We want to send signals to the LEDs, in order to turn the off and on.
      * In the AVR world we have the following:
      * PORTx_DIR: 1 is output, 0 is input
      * PORTx.DIR: 1 is output, 0 is input
      * LED: 1 LED is off, 0 LED is on, this is called active-low
      * Button: 1 button is open, 0 button is pressed, this is called active-low
      *
      * Remember bit set logic:
      * Set to 1: FLAG |= ( 1 << BIT_POS ) - using 'or' so we only change the one we want and leave the others untouched
      * Set to 0: FLAG &= ~( 1 << BIT_POS ) - same thing here but using 'and', find paper and a logic-table, and try it out if you want to know how it works
      * Set to 1: FLAG |= ( 1 << BIT_POS ) - using 'or' so we only change the one we want and leave the others untouched
      * Set to 0: FLAG &= ~( 1 << BIT_POS ) - same thing here but using 'and', find paper and a logic-table, and try it out if you want to know how it works
      * Toogle bit: FLAG ^= ( 1 << BIT_POS ) - using bitwise xor, toogles the bit at BIT_POS
      */
      PORTB.DIR |= (1 << LED0); // Set LED0 as output - Using "B" in PORTx.DIR since the LED is connected to port B on the microcontroller
      PORTD.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
      ......@@ -51,8 +58,9 @@ int main(void){
      while (1)
      {
      PORTB.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: PORTB_OUT = PORTB.OUT ^ (1 << LED0);
      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 (=)
      _delay_ms(500);
      }
      }
      Session1-LF/Task2-LF.c
      View file @ 65f56d48
      /*
      * Task2-LF.c
      * Task2.c
      *
      * Created: 29.01.2017 23:43:39
      * Created: 11.02.2017 23:39:47
      * Author : Petter
      */
      ......@@ -15,59 +15,74 @@
      #include <util/delay.h>
      /*
      * Checkout the ATtiny817 datasheet to find the correct ports and pins
      * Check out the ATtiny4809 datasheet to find the correct ports and pins
      */
      // LED
      #define LED0 4 //On port B
      #define LED0 4 //On port D
      // Button
      #define SW0 5 //On port B
      #define SW0 2 //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 PORTB.DIR)
      * This is done by setting bits in the PORTx.DIR register (in this case PORTD.DIR and PORTC.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
      * Bit set logic:
      * Set to 1: FLAG |= ( 1 << BIT_POS )
      * Set to 0: FLAG &= ~( 1 << BIT_POS )
      * Set to 1: REG |= ( 1 << BIT_POS )
      * Set to 0: REG &= ~( 1 << BIT_POS )
      */
      /**
      * 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 ATtiny817, we enable pull-up by setting the "PORT_PULLUPEN_bp" flag in "PORTx.PINnCTRL" high.
      * See datasheet section 16 (I/O-ports) and user guide section 4 (Hardware User Guide).
      * On the ATtiny4809, we enable pull-up by setting the "PORT_PULLUPEN" flag in "PORTx.PINnCTRL" high.
      * See datasheet section 15 (I/O-ports).
      */
      /*
      * It's your time to do some stuff! Do the following:
      * 1 - Set LED0 as output
      * 2 - Set SW0 as input
      * 3 - Enable pull-up on button SW0
      */
      PORTB.DIR |= (1 << LED0); // Set LED0 as output
      PORTB.DIR &= ~(1 << SW0); //Set SW0 as input
      PORTB.PIN5CTRL |= (1 << PORT_PULLUPEN_bp); //Enable pull-up on button SW0 (pin5)
      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)
      {
      /*
      * Here, you want to check if a button is pressed, and if yes, turn on the LED.
      * If no, then do the opposite.
      * Similar to setting pins with PORTx_OUT, we can read pins with PORTx.IN
      * Similar to setting pins with PORTx.OUT, we can read pins with PORTx.IN
      * In order to check a pin value, mask out that particular bit. (use bitwise AND)
      * Bit masking is done like this:
      * (REGISTER & (1 << BIT_POS)), which selects bit BIT_POS from register.
      * If that bit is 0, the result will be 0. If it is 1, the result will be other than 0 (depending on bit pos).
      */
      if(!(PORTB.IN & (1 << SW0))){ // If button is pressed (0 - LOW
      PORTB.OUT &= ~(1 << LED0); // Sets output to 0, turns LED0 on
      /*
      * Do the following:
      * 1 - check if button SW0 is pressed
      * 2 - if so, turn the LED on
      * 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{
      PORTB.OUT |= (1 << LED0); // Sets output to 1, turns LED off
      PORTD.OUT |= (1 << LED0); // Sets output to 1, turns LED off
      }
      }
      ......
      Session1-LF/Task3-LF.c
      View file @ 65f56d48
      ......@@ -12,10 +12,10 @@
      #include <stdbool.h>
      //LED
      #define LED0 4 //on port B
      #define LED0 4 //on port D
      //Button
      #define SW0 5 //on port B
      #define SW0 2 //on port C
      int main(void)
      {
      ......@@ -29,10 +29,10 @@ int main(void)
      * Set to 0: REG &= ~( 1 << BIT_POS )
      * This is called "read-modify-write".
      *
      * The ATtiny817 also has special port registers that can do some of this for you.
      * The ATtiny4809 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 16.5 of the datasheet)
      * (HINT: see chapter 15.5 of the datasheet)
      LF: They set clear and toggle bit in the register. eks: PORTB.DIRCLR = (1 << 5); to clear bit 5
      ......@@ -40,13 +40,16 @@ int main(void)
      */
      PORTB.DIRSET = (1 << LED0); // Set LED0 as output
      //Alt: PORTB.DIR |= (1 << LED0);
      PORTD.DIRSET = (1 << LED0); // Set LED0 as output
      //Alt: PORTD.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);
      PORTB.DIRCLR = (1 << SW0); // Set SW0 as input (default)
      //Alt: PORTB.DIR &= ~(1 << SW0);
      PORTC.DIRCLR = (1 << SW0); // Set SW0 as input (default)
      //Alt: PORTC.DIR &= ~(1 << SW0);
      PORTB.PIN5CTRL |= (1 << 3); // Enable pull-up on button SW
      PORTC.PIN2CTRL |= (1 << 3); // Enable pull-up on button SW
      //eller bruk PORT_PULLUPEN_bp som er lik 3 (_bp = Bit Position)
      ......@@ -54,11 +57,11 @@ int main(void)
      while (1)
      {
      if(!(PORTB.IN & (1 << SW0))){
      if(!(PORTC.IN & (1 << SW0))){
      if(buttonState == 0){
      PORTB.OUTTGL = ( 1 << LED0);
      //Alt: PORTB.OUT ^= (1 << LED0);
      PORTD.OUTTGL = ( 1 << LED0);
      //Alt: PORTD.OUT ^= (1 << LED0);
      buttonState = 1;
      }
      ......
      Session1/Task1/Task1.componentinfo.xml
      View file @ 65f56d48
      ......@@ -9,13 +9,13 @@
      <CSub></CSub>
      <CVariant></CVariant>
      <CVendor>Atmel</CVendor>
      <CVersion>1.1.0</CVersion>
      <DefaultRepoPath>D:/Atmel\7.0\Packs</DefaultRepoPath>
      <CVersion>1.2.0</CVersion>
      <DefaultRepoPath>C:/Program Files (x86)\Atmel\Studio\7.0\Packs</DefaultRepoPath>
      <DependentComponents xmlns:d4p1="http://schemas.microsoft.com/2003/10/Serialization/Arrays" />
      <Description></Description>
      <Files xmlns:d4p1="http://schemas.microsoft.com/2003/10/Serialization/Arrays">
      <d4p1:anyType i:type="FileInfo">
      <AbsolutePath>D:/Atmel\7.0\Packs\atmel\ATtiny_DFP\1.1.102\include</AbsolutePath>
      <AbsolutePath>C:/Program Files (x86)\Atmel\Studio\7.0\Packs\atmel\ATmega_DFP\1.2.209\include</AbsolutePath>
      <Attribute></Attribute>
      <Category>include</Category>
      <Condition>C</Condition>
      ......@@ -26,29 +26,29 @@
      <SourcePath></SourcePath>
      </d4p1:anyType>
      <d4p1:anyType i:type="FileInfo">
      <AbsolutePath>D:/Atmel\7.0\Packs\atmel\ATtiny_DFP\1.1.102\include\avr\iotn817.h</AbsolutePath>
      <AbsolutePath>C:/Program Files (x86)\Atmel\Studio\7.0\Packs\atmel\ATmega_DFP\1.2.209\include\avr\iom4809.h</AbsolutePath>
      <Attribute></Attribute>
      <Category>header</Category>
      <Condition>C</Condition>
      <FileContentHash>GzsE/dwQAz37AkZENa/sHg==</FileContentHash>
      <FileContentHash>mWiFIOAGwUPlW0rYsXcjkg==</FileContentHash>
      <FileVersion></FileVersion>
      <Name>include/avr/iotn817.h</Name>
      <Name>include/avr/iom4809.h</Name>
      <SelectString></SelectString>
      <SourcePath></SourcePath>
      </d4p1:anyType>
      <d4p1:anyType i:type="FileInfo">
      <AbsolutePath>D:/Atmel\7.0\Packs\atmel\ATtiny_DFP\1.1.102\templates\main.c</AbsolutePath>
      <AbsolutePath>C:/Program Files (x86)\Atmel\Studio\7.0\Packs\atmel\ATmega_DFP\1.2.209\templates\main.c</AbsolutePath>
      <Attribute>template</Attribute>
      <Category>source</Category>
      <Condition>C Exe</Condition>
      <FileContentHash>NtrFFJHqGYFgQ+e154IDwQ==</FileContentHash>
      <FileContentHash>GD1k8YYhulqRs6FD1B2Hog==</FileContentHash>
      <FileVersion></FileVersion>
      <Name>templates/main.c</Name>
      <SelectString>Main file (.c)</SelectString>
      <SourcePath></SourcePath>
      </d4p1:anyType>
      <d4p1:anyType i:type="FileInfo">
      <AbsolutePath>D:/Atmel\7.0\Packs\atmel\ATtiny_DFP\1.1.102\templates\main.cpp</AbsolutePath>
      <AbsolutePath>C:/Program Files (x86)\Atmel\Studio\7.0\Packs\atmel\ATmega_DFP\1.2.209\templates\main.cpp</AbsolutePath>
      <Attribute>template</Attribute>
      <Category>source</Category>
      <Condition>C Exe</Condition>
      ......@@ -59,22 +59,22 @@
      <SourcePath></SourcePath>
      </d4p1:anyType>
      <d4p1:anyType i:type="FileInfo">
      <AbsolutePath>D:/Atmel\7.0\Packs\atmel\ATtiny_DFP\1.1.102\gcc\dev\attiny817</AbsolutePath>
      <AbsolutePath>C:/Program Files (x86)\Atmel\Studio\7.0\Packs\atmel\ATmega_DFP\1.2.209\gcc\dev\atmega4809</AbsolutePath>
      <Attribute></Attribute>
      <Category>libraryPrefix</Category>
      <Condition>GCC</Condition>
      <FileContentHash i:nil="true" />
      <FileVersion></FileVersion>
      <Name>gcc/dev/attiny817</Name>
      <Name>gcc/dev/atmega4809</Name>
      <SelectString></SelectString>
      <SourcePath></SourcePath>
      </d4p1:anyType>
      </Files>
      <PackName>ATtiny_DFP</PackName>
      <PackPath>D:/Atmel/7.0/Packs/atmel/ATtiny_DFP/1.1.102/Atmel.ATtiny_DFP.pdsc</PackPath>
      <PackVersion>1.1.102</PackVersion>
      <PackName>ATmega_DFP</PackName>
      <PackPath>C:/Program Files (x86)/Atmel/Studio/7.0/Packs/atmel/ATmega_DFP/1.2.209/Atmel.ATmega_DFP.pdsc</PackPath>
      <PackVersion>1.2.209</PackVersion>
      <PresentInProject>true</PresentInProject>
      <ReferenceConditionId>ATtiny817</ReferenceConditionId>
      <ReferenceConditionId>ATmega4809</ReferenceConditionId>
      <RteComponents xmlns:d4p1="http://schemas.microsoft.com/2003/10/Serialization/Arrays">
      <d4p1:string></d4p1:string>
      </RteComponents>
      ......
      Session1/Task1/Task1.cproj
      View file @ 65f56d48
      ......@@ -5,7 +5,7 @@
      <ProjectVersion>7.0</ProjectVersion>
      <ToolchainName>com.Atmel.AVRGCC8.C</ToolchainName>
      <ProjectGuid>dce6c7e3-ee26-4d79-826b-08594b9ad897</ProjectGuid>
      <avrdevice>ATtiny817</avrdevice>
      <avrdevice>ATmega4809</avrdevice>
      <avrdeviceseries>none</avrdeviceseries>
      <OutputType>Executable</OutputType>
      <Language>C</Language>
      ......@@ -20,29 +20,71 @@
      <OverrideVtor>false</OverrideVtor>
      <CacheFlash>true</CacheFlash>
      <ProgFlashFromRam>true</ProgFlashFromRam>
      <RamSnippetAddress />
      <RamSnippetAddress>0x20000000</RamSnippetAddress>
      <UncachedRange />
      <preserveEEPROM>true</preserveEEPROM>
      <OverrideVtorValue />
      <OverrideVtorValue>exception_table</OverrideVtorValue>
      <BootSegment>2</BootSegment>
      <eraseonlaunchrule>0</eraseonlaunchrule>
      <AsfFrameworkConfig>
      <framework-data xmlns="">
      <framework-data>
      <options />
      <configurations />
      <files />
      <documentation help="" />
      <offline-documentation help="" />
      <dependencies>
      <content-extension eid="atmel.asf" uuidref="Atmel.ASF" version="3.32.0" />
      <content-extension eid="atmel.asf" uuidref="Atmel.ASF" version="3.34.1" />
      </dependencies>
      </framework-data>
      </AsfFrameworkConfig>
      <ResetRule>0</ResetRule>
      <EraseKey />
      <avrtool>com.atmel.avrdbg.tool.nedbg</avrtool>
      <avrtoolserialnumber>ATML3094051800000431</avrtoolserialnumber>
      <avrdeviceexpectedsignature>0x1E9651</avrdeviceexpectedsignature>
      <custom>
      <ToolOptions>
      <InterfaceProperties>
      </InterfaceProperties>
      <InterfaceName>
      </InterfaceName>
      </ToolOptions>
      <ToolType>custom</ToolType>
      <ToolNumber>
      </ToolNumber>
      <ToolName>Custom Programming Tool</ToolName>
      </custom>
      <avrtoolinterface>UPDI</avrtoolinterface>
      <com_atmel_avrdbg_tool_simulator>
      <ToolOptions xmlns="">
      <InterfaceProperties>
      </InterfaceProperties>
      <InterfaceName>
      </InterfaceName>
      </ToolOptions>
      <ToolType xmlns="">com.atmel.avrdbg.tool.simulator</ToolType>
      <ToolNumber xmlns="">
      </ToolNumber>
      <ToolName xmlns="">Simulator</ToolName>
      </com_atmel_avrdbg_tool_simulator>
      <com_atmel_avrdbg_tool_nedbg>
      <ToolOptions>
      <InterfaceProperties>
      <UpdiClock>750000</UpdiClock>
      </InterfaceProperties>
      <InterfaceName>UPDI</InterfaceName>
      </ToolOptions>
      <ToolType>com.atmel.avrdbg.tool.nedbg</ToolType>
      <ToolNumber>ATML3094051800000431</ToolNumber>
      <ToolName>nEDBG</ToolName>
      </com_atmel_avrdbg_tool_nedbg>
      <avrtoolinterfaceclock>750000</avrtoolinterfaceclock>
      </PropertyGroup>
      <PropertyGroup Condition=" '$(Configuration)' == 'Release' ">
      <ToolchainSettings>
      <AvrGcc>
      <avrgcc.common.Device>-mmcu=attiny817 -B "%24(PackRepoDir)\atmel\ATtiny_DFP\1.1.102\gcc\dev\attiny817"</avrgcc.common.Device>
      <avrgcc.common.Device>-mmcu=atmega4809 -B "%24(PackRepoDir)\atmel\ATmega_DFP\1.2.209\gcc\dev\atmega4809"</avrgcc.common.Device>
      <avrgcc.common.outputfiles.hex>True</avrgcc.common.outputfiles.hex>
      <avrgcc.common.outputfiles.lss>True</avrgcc.common.outputfiles.lss>
      <avrgcc.common.outputfiles.eep>True</avrgcc.common.outputfiles.eep>
      ......@@ -57,7 +99,7 @@
      </avrgcc.compiler.symbols.DefSymbols>
      <avrgcc.compiler.directories.IncludePaths>
      <ListValues>
      <Value>%24(PackRepoDir)\atmel\ATtiny_DFP\1.1.102\include</Value>
      <Value>%24(PackRepoDir)\atmel\ATmega_DFP\1.2.209\include</Value>
      </ListValues>
      </avrgcc.compiler.directories.IncludePaths>
      <avrgcc.compiler.optimization.level>Optimize for size (-Os)</avrgcc.compiler.optimization.level>
      ......@@ -71,7 +113,7 @@
      </avrgcc.linker.libraries.Libraries>
      <avrgcc.assembler.general.IncludePaths>
      <ListValues>
      <Value>%24(PackRepoDir)\atmel\ATtiny_DFP\1.1.102\include</Value>
      <Value>%24(PackRepoDir)\atmel\ATmega_DFP\1.2.209\include</Value>
      </ListValues>
      </avrgcc.assembler.general.IncludePaths>
      </AvrGcc>
      ......@@ -80,7 +122,7 @@
      <PropertyGroup Condition=" '$(Configuration)' == 'Debug' ">
      <ToolchainSettings>
      <AvrGcc>
      <avrgcc.common.Device>-mmcu=attiny817 -B "%24(PackRepoDir)\atmel\ATtiny_DFP\1.1.102\gcc\dev\attiny817"</avrgcc.common.Device>
      <avrgcc.common.Device>-mmcu=atmega4809 -B "%24(PackRepoDir)\atmel\ATmega_DFP\1.2.209\gcc\dev\atmega4809"</avrgcc.common.Device>
      <avrgcc.common.outputfiles.hex>True</avrgcc.common.outputfiles.hex>
      <avrgcc.common.outputfiles.lss>True</avrgcc.common.outputfiles.lss>
      <avrgcc.common.outputfiles.eep>True</avrgcc.common.outputfiles.eep>
      ......@@ -95,7 +137,7 @@
      </avrgcc.compiler.symbols.DefSymbols>
      <avrgcc.compiler.directories.IncludePaths>
      <ListValues>
      <Value>%24(PackRepoDir)\atmel\ATtiny_DFP\1.1.102\include</Value>
      <Value>%24(PackRepoDir)\atmel\ATmega_DFP\1.2.209\include</Value>
      </ListValues>
      </avrgcc.compiler.directories.IncludePaths>
      <avrgcc.compiler.optimization.level>Optimize (-O1)</avrgcc.compiler.optimization.level>
      ......@@ -110,7 +152,7 @@
      </avrgcc.linker.libraries.Libraries>
      <avrgcc.assembler.general.IncludePaths>
      <ListValues>
      <Value>%24(PackRepoDir)\atmel\ATtiny_DFP\1.1.102\include</Value>
      <Value>%24(PackRepoDir)\atmel\ATmega_DFP\1.2.209\include</Value>
      </ListValues>
      </avrgcc.assembler.general.IncludePaths>
      <avrgcc.assembler.debugging.DebugLevel>Default (-Wa,-g)</avrgcc.assembler.debugging.DebugLevel>
      ......
      Session1/Task1/main.c
      View file @ 65f56d48
      ......@@ -14,7 +14,7 @@
      * F_CPU must be defined before including headers.
      */
      #define F_CPU 3333333UL //The ATtiny817 operates at 20MHz with a default scaling factor of 6: 20/6 = 3.333333MHz
      #define F_CPU 3333333UL //The ATtiny4809 operates at 20MHz with a default scaling factor of 6: 20/6 = 3.333333MHz
      /**
      * System headers bellow
      ......@@ -25,11 +25,15 @@
      /**
      * Define helpers for pin bit positions.
      * The LED0 on the ATtiny817 main board is connected to pin 4 on port B.
      * The LED0 on the ATtiny4809 main board is connected to pin 4 on port D.
      * Check the datasheet to find out which pins on which ports the different LEDs and buttons are connected to.
      */
      #define LED0 4 // LED0 is connected to pin 4 on port B
      #define LED0 4 // LED 1 is connected to pin 4 on PORTD
      int main(void){
      /**
      ......@@ -40,11 +44,12 @@ int main(void){
      * Button: 1 button is open, 0 button is pressed, this is called active-low
      *
      * Remember bit set logic:
      * Set to 1: FLAG |= ( 1 << BIT_POS ) - using 'or' so we only change the one we want and leave the others untouched
      * Set to 0: FLAG &= ~( 1 << BIT_POS ) - same thing here but using 'and', find paper and a logic-table, and try it out if you want to know how it works
      * Set to 1: FLAG |= ( 1 << BIT_POS ) - using 'or' so we only change the one we want and leave the others untouched
      * Set to 0: FLAG &= ~( 1 << BIT_POS ) - same thing here but using 'and', find paper and a logic-table, and try it out if you want to know how it works
      * Toogle bit: FLAG ^= ( 1 << BIT_POS ) - using bitwise xor, toogles the bit at BIT_POS
      */
      PORTB.DIR |= (1 << LED0); // Set LED0 as output - Using "B" in PORTx.DIR since the LED is connected to port B on the microcontroller
      PORTD.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
      ......@@ -52,8 +57,9 @@ int main(void){
      while (1)
      {
      PORTB.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: PORTB.OUT = PORTB.OUT ^ (1 << LED0);
      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 (=)
      _delay_ms(500);
      }
      }
      Session1/Task2/Task2.componentinfo.xml
      View file @ 65f56d48
      ......@@ -9,13 +9,13 @@
      <CSub></CSub>
      <CVariant></CVariant>
      <CVendor>Atmel</CVendor>
      <CVersion>1.1.0</CVersion>
      <DefaultRepoPath>D:/Atmel\7.0\Packs</DefaultRepoPath>
      <CVersion>1.2.0</CVersion>
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      ......@@ -59,22 +59,22 @@
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      <PackName>ATtiny_DFP</PackName>
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      <PackVersion>1.1.102</PackVersion>
      <PackName>ATmega_DFP</PackName>
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      <PackVersion>1.2.209</PackVersion>
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      ......
      Session1/Task2/Task2.cproj
      View file @ 65f56d48
      ......@@ -5,7 +5,7 @@
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      <ToolchainName>com.Atmel.AVRGCC8.C</ToolchainName>
      <ProjectGuid>dce6c7e3-ee26-4d79-826b-08594b9ad897</ProjectGuid>
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      <avrdevice>ATmega4809</avrdevice>
      <avrdeviceseries>none</avrdeviceseries>
      <OutputType>Executable</OutputType>
      <Language>C</Language>
      ......@@ -27,22 +27,25 @@
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      <configurations />
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      <documentation help="" />
      <offline-documentation help="" />
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      <content-extension eid="atmel.asf" uuidref="Atmel.ASF" version="3.34.1" />
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      <avrgcc.common.outputfiles.lss>True</avrgcc.common.outputfiles.lss>
      <avrgcc.common.outputfiles.eep>True</avrgcc.common.outputfiles.eep>
      ......@@ -57,7 +60,7 @@
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      <avrgcc.compiler.optimization.level>Optimize for size (-Os)</avrgcc.compiler.optimization.level>
      ......@@ -71,7 +74,7 @@
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      ......@@ -80,7 +83,7 @@
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      ......@@ -95,7 +98,7 @@
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      ......@@ -110,7 +113,7 @@
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      ......
      Session1/Task2/main.c
      View file @ 65f56d48
      ......@@ -15,21 +15,21 @@
      #include <util/delay.h>
      /*
      * Check out the ATtiny817 datasheet to find the correct ports and pins
      * Check out the ATtiny4809 datasheet to find the correct ports and pins
      */
      // LED
      #define LED0 4 //On port B
      #define LED0 4 //On port D
      // Button
      #define SW0 5 //On port B
      #define SW0 2 //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 PORTB.DIR)
      * This is done by setting bits in the PORTx.DIR register (in this case PORTD.DIR and PORTC.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
      ......@@ -41,8 +41,8 @@ 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 ATtiny817, we enable pull-up by setting the "PORT_PULLUPEN" flag in "PORTx.PINnCTRL" high.
      * See datasheet section 16 (I/O-ports) and user guide section 4 (Hardware User Guide).
      * On the ATtiny4809, we enable pull-up by setting the "PORT_PULLUPEN" flag in "PORTx.PINnCTRL" high.
      * See datasheet section 15 (I/O-ports).
      */
      /*
      ......
      Session1/Task3/Task3.componentinfo.xml
      View file @ 65f56d48
      ......@@ -9,13 +9,13 @@
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