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Commit 8753b829 authored by medlem's avatar medlem
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Fixed LF task 3. Also added new cool screen and adc feature. Currently only LF in copied file.

parent 89bc499e
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Session3-LF/Task1_LF/Task1_LF/Task1_LF.cproj
View file @ 8753b829
......@@ -34,14 +34,13 @@
<documentation help="" />
<offline-documentation help="" />
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......@@ -54,86 +53,97 @@
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<ItemGroup>
......
Session3-LF/Task1_LF/Task1_LF/adc.c
View file @ 8753b829
......@@ -8,10 +8,10 @@
#include <avr/io.h>
void adc_init(){
ADC0.CTRLA |= (ADC_RESSEL_8BIT_gc); //Set resolution, we choose 8 bits
ADC0.CTRLA |= (ADC_RESSEL_10BIT_gc); //Set resolution, we choose 8 bits
ADC0.CTRLB |= (ADC_SAMPNUM_ACC4_gc); //OPTIONAL: We can use multiple samples if we like, example here with 4
//More samples gives a better result but takes longer
//More samples gives a better result but takes longer.
ADC0.CTRLC |= (ADC_REFSEL_VDDREF_gc); //We select to use the supply voltage (VDD) as voltage reference
ADC0.CTRLC |= (ADC_PRESC_DIV2_gc); //ADC clock prescaler, best accuracy when run below 2MHz. (Here div2 ~1.46 MHz)
......@@ -19,7 +19,7 @@ void adc_init(){
}
uint8_t adc_read(uint8_t channel){
uint16_t adc_read(uint8_t channel){
ADC0.MUXPOS = channel; //Select input on the ADC mux
//NOTE: We can use = here because this is the only thing the register holds. Neat!
......@@ -30,6 +30,6 @@ uint8_t adc_read(uint8_t channel){
while(!(ADC0.INTFLAGS & ADC_RESRDY_bm)){
//Wait for the results ready flag to be set
}
return ADC0.RESL; //Return 8 bit result
return ADC0.RES; //Return 10 bit result
}
Session3-LF/Task1_LF/Task1_LF/adc.h
View file @ 8753b829
......@@ -11,6 +11,6 @@
void adc_init(void);
uint8_t adc_read(uint8_t channel);
uint16_t adc_read(uint8_t channel);
#endif /* ADC_H_ */
\ No newline at end of file
Session3-LF/Task1_LF/Task1_LF/main.c
View file @ 8753b829
......@@ -16,30 +16,28 @@
#include "uart.h"
#define LIGHT 0x01 // Light sensor is connected to ADC channel 1 (which is on port D pin 1)
#define KLAKK 0x01 // OV-POT KLAKK is connected to ADC channel 1 (which is on port D pin 1)
uint8_t data = 0;
uint16_t data = 0;
int main(void)
{
uart_init(BAUD_9600); //Initiate the uart (provided in uart.c) with a baudrate of 9600
uart_init(BAUD_9600); //Initiate the usart (provided in usart.c) with a baudrate of 9600
adc_init(); //Initiate the adc (The student has to write this function)
sei(); //If we want to receive via UART we need interrupts enabled.
//NOTE: UART isn't used to receive here and as such this isn't required.
sei(); //If we want to receive via usart we need interrupts enabled.
//NOTE: usart isn't used to receive here and as such this isn't required.
while (1)
{
data = adc_read(LIGHT); //Read the analog voltage on channel 6, connected to light sensor
//The light sensor returns the ones complement (the opposite) of the brightness:
data = 0xff - data;
data = adc_read(KLAKK); //Read the analog voltage on channel 6, connected to OV-POT KLAKK
printf("Light intensity is currently %d brightness points!\r\n", data); //Print out the value neatly using printf
printf("ADC is reading %u from OV-POT KLAKK!\r\n", data); //Print out the value neatly using printf
/*
About printf: Handles formatting of your print to terminal. This includes special characters, values of variables and more.
It takes one string and any variables you want to print.
......
Session3-LF/Task2_LF - Copy/Task2_LF.atsln 0 → 100644
View file @ 8753b829

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Session3-LF/Task2_LF - Copy/Task2_LF/Task2_LF.componentinfo.xml 0 → 100644
View file @ 8753b829
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Session3-LF/Task2_LF - Copy/Task2_LF/Task2_LF.cproj 0 → 100644
View file @ 8753b829
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<avrgcc.common.outputfiles.lss>True</avrgcc.common.outputfiles.lss>
<avrgcc.common.outputfiles.eep>True</avrgcc.common.outputfiles.eep>
<avrgcc.common.outputfiles.srec>True</avrgcc.common.outputfiles.srec>
<avrgcc.common.outputfiles.usersignatures>False</avrgcc.common.outputfiles.usersignatures>
<avrgcc.compiler.general.ChangeDefaultCharTypeUnsigned>True</avrgcc.compiler.general.ChangeDefaultCharTypeUnsigned>
<avrgcc.compiler.general.ChangeDefaultBitFieldUnsigned>True</avrgcc.compiler.general.ChangeDefaultBitFieldUnsigned>
<avrgcc.compiler.symbols.DefSymbols>
<ListValues>
<Value>DEBUG</Value>
</ListValues>
</avrgcc.compiler.symbols.DefSymbols>
<avrgcc.compiler.directories.IncludePaths>
<ListValues>
<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>
<avrgcc.compiler.optimization.PackStructureMembers>True</avrgcc.compiler.optimization.PackStructureMembers>
<avrgcc.compiler.optimization.AllocateBytesNeededForEnum>True</avrgcc.compiler.optimization.AllocateBytesNeededForEnum>
<avrgcc.compiler.optimization.DebugLevel>Default (-g2)</avrgcc.compiler.optimization.DebugLevel>
<avrgcc.compiler.warnings.AllWarnings>True</avrgcc.compiler.warnings.AllWarnings>
<avrgcc.linker.libraries.Libraries>
<ListValues>
<Value>libm</Value>
</ListValues>
</avrgcc.linker.libraries.Libraries>
<avrgcc.assembler.general.IncludePaths>
<ListValues>
<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>
</AvrGcc>
</ToolchainSettings>
</PropertyGroup>
<ItemGroup>
<Compile Include="adc.c">
<SubType>compile</SubType>
</Compile>
<Compile Include="adc.h">
<SubType>compile</SubType>
</Compile>
<Compile Include="display.c">
<SubType>compile</SubType>
</Compile>
<Compile Include="display.h">
<SubType>compile</SubType>
</Compile>
<Compile Include="driv_OLED.c">
<SubType>compile</SubType>
</Compile>
<Compile Include="driv_OLED.h">
<SubType>compile</SubType>
</Compile>
<Compile Include="font8x8.h">
<SubType>compile</SubType>
</Compile>
<Compile Include="fonts.h">
<SubType>compile</SubType>
</Compile>
<Compile Include="main.c">
<SubType>compile</SubType>
</Compile>
<Compile Include="spi.c">
<SubType>compile</SubType>
</Compile>
<Compile Include="spi.h">
<SubType>compile</SubType>
</Compile>
</ItemGroup>
<Import Project="$(AVRSTUDIO_EXE_PATH)\\Vs\\Compiler.targets" />
</Project>
\ No newline at end of file
Session3-LF/Task2_LF - Copy/Task2_LF/adc.c 0 → 100644
View file @ 8753b829
/*
* adc.c
*
* Created: 13.02.2017 02:04:10
* Author: Petter
*/
#include <avr/io.h>
void adc_init(){
ADC0.CTRLA |= (ADC_RESSEL_10BIT_gc); //Set resolution, we choose 8 bits
ADC0.CTRLB |= (ADC_SAMPNUM_ACC4_gc); //OPTIONAL: We can use multiple samples if we like, example here with 4
//More samples gives a better result but takes longer.
ADC0.CTRLC |= (ADC_REFSEL_VDDREF_gc); //We select to use the supply voltage (VDD) as voltage reference
ADC0.CTRLC |= (ADC_PRESC_DIV2_gc); //ADC clock prescaler, best accuracy when run below 2MHz. (Here div2 ~1.46 MHz)
ADC0.CTRLA |= (ADC_ENABLE_bm); //Enable the ADC
}
uint16_t adc_read(uint8_t channel){
ADC0.MUXPOS = channel; //Select input on the ADC mux
//NOTE: We can use = here because this is the only thing the register holds. Neat!
ADC0.INTFLAGS |= (ADC_RESRDY_bm); //Clear the results ready flag
ADC0.COMMAND |= (ADC_STCONV_bm); //Start a conversion
while(!(ADC0.INTFLAGS & ADC_RESRDY_bm)){
//Wait for the results ready flag to be set
}
return ADC0.RES; //Return 10 bit result
}
Session3-LF/Task2_LF - Copy/Task2_LF/adc.h 0 → 100644
View file @ 8753b829
/*
* adc.h
*
* Created: 27.02.2017 16:51:27
* Author: Petter
*/
#ifndef ADC_H_
#define ADC_H_