lf på de fleste oppgaver

9e82acec · Petter Breedveld · ac92074c · 9e82acec · 9e82acec · 9e82acec
Commit 9e82acec authored Feb 12, 2017 by Petter Breedveld
--- a/Session2-LF/TIMER-LF.c
+++ b/Session2-LF/TIMER-LF.c
+/*
+ * Initial_test.c
+ *
+ * Created: 29.01.2017 23:43:39
+ * Author : Petter
+ */ 
+
+#define F_CPU 3333333UL
+
+
+#include <avr/io.h>
+#include <avr/delay.h>
+#include <avr/interrupt.h>
+
+#define LED1 0 // port B, connected to WO0
+#define LED2 1 // port B, connected to WO1
+#define LED3 4 // Port B
+
+
+int main(void)
+{
+	PORTB_DIR |= (1 << LED1) | (1 << LED2) | (1 << LED3);
+	PORTB_OUT |= (1 << LED1) | (1 << LED2) | (1 << LED3);	
+	
+	//Set clock prescaler div256
+	TCA0_SINGLE_CTRLA |= (TCA_SINGLE_CLKSEL_DIV256_gc) | (TCA_SINGLE_ENABLE_bm);
+	
+	TCA0_SINGLE_INTCTRL |= ( TCA_SINGLE_OVF_bm);
+	
+	uint16_t counterTop = 0x4000;
+	
+	TCA0_SINGLE_PER = counterTop;
+	
+	sei();
+	
+    while(1){
+		
+    }
+}
+
+ISR(TCA0_OVF_vect){
+	cli();
+	PORTB_OUT ^= (1 << LED1);
+	_delay_ms(100);
+	PORTB_OUT ^= (1 << LED2);
+	_delay_ms(100);
+	PORTB_OUT ^= (1 << LED3);
+	
+	TCA0_SINGLE_INTFLAGS |= ( TCA_SINGLE_OVF_bm);
+	sei();
+	
+}
\ No newline at end of file
--- a/Session2-LF/UART-LF.c
+++ b/Session2-LF/UART-LF.c
+/*
+ * Initial_test.c
+ *
+ * Created: 29.01.2017 23:43:39
+ * Author : Petter
+ */ 
+
+#define F_CPU 3333333UL
+
+
+#include <avr/io.h>
+#include <avr/interrupt.h>
+#include <util/delay.h>
+#include <stdbool.h>
+
+
+void uart_init(int baud){
+	int baudRate = ((4UL*F_CPU)/baud);	//CLK_PER = CLK_CPU, see 10.2.1
+	
+	//From chapter 24.3 in datasheet
+	PORTB_OUT |= (1 << 2); 
+	PORTB_DIR |= (1 << 2); 				//Setting up TX pin as output
+	USART0_BAUDH = (baudRate >> 8); 	//Shift register right by 8 bits
+	USART0_BAUDL = baudRate; 			//Set baud rate
+	//USART_CTRLC CMODE bits default async, 1 stop bit, 8 bit character size
+	USART0_CTRLB |= (1 << USART_RXEN_bp) | (1 << USART_TXEN_bp);	//Enable RX and TX
+}
+
+// function to recieve data
+unsigned char uart_recieve (void){
+	while (!(USART0_STATUS & (1 << USART_RXCIF_bp)));
+	return 	USART0_RXDATAL;
+}
+
+// function to transmit data
+void uart_transmit(unsigned char data){
+	while (!(USART0_STATUS & (1 << USART_DREIF_bp)));
+	USART0_TXDATAL = data;
+}
+
+
+int main(void)
+{
+	unsigned char a; // to hold the data
+	uart_init(9600); //start uart with baudrate of 9600
+	
+	PORTB_DIR |= (1 << PIN4_bp); //Setup onboard led for signaling
+	PORTB_OUT |= (1 << PIN4_bp);
+	
+    while (1) 
+    {
+		a = uart_recieve();			// save the recieved data in varible a
+		PORTB_OUT &= ~(1 << PIN4_bp);
+		uart_transmit(a);			// transmit the recieved data back
+		_delay_ms(100);
+		PORTB_OUT |= (1 << PIN4_bp);
+    }
+}
--- a/Session2/UART/.vs/UART/v14/.atsuo
+++ b/Session2/UART/.vs/UART/v14/.atsuo
--- a/Session2/UART/UART.atsln
+++ b/Session2/UART/UART.atsln
+
+Microsoft Visual Studio Solution File, Format Version 12.00
+# Atmel Studio Solution File, Format Version 11.00
+VisualStudioVersion = 14.0.23107.0
+MinimumVisualStudioVersion = 10.0.40219.1
+Project("{54F91283-7BC4-4236-8FF9-10F437C3AD48}") = "UART", "UART\UART.cproj", "{DCE6C7E3-EE26-4D79-826B-08594B9AD897}"
+EndProject
+Global
+	GlobalSection(SolutionConfigurationPlatforms) = preSolution
+		Debug|AVR = Debug|AVR
+		Release|AVR = Release|AVR
+	EndGlobalSection
+	GlobalSection(ProjectConfigurationPlatforms) = postSolution
+		{DCE6C7E3-EE26-4D79-826B-08594B9AD897}.Debug|AVR.ActiveCfg = Debug|AVR
+		{DCE6C7E3-EE26-4D79-826B-08594B9AD897}.Debug|AVR.Build.0 = Debug|AVR
+		{DCE6C7E3-EE26-4D79-826B-08594B9AD897}.Release|AVR.ActiveCfg = Release|AVR
+		{DCE6C7E3-EE26-4D79-826B-08594B9AD897}.Release|AVR.Build.0 = Release|AVR
+	EndGlobalSection
+	GlobalSection(SolutionProperties) = preSolution
+		HideSolutionNode = FALSE
+	EndGlobalSection
+EndGlobal
--- a/Session2/UART/UART/Debug/Makefile
+++ b/Session2/UART/UART/Debug/Makefile
+################################################################################
+# Automatically-generated file. Do not edit!
+################################################################################
+
+SHELL := cmd.exe
+RM := rm -rf
+
+USER_OBJS :=
+
+LIBS := 
+PROJ := 
+
+O_SRCS := 
+C_SRCS := 
+S_SRCS := 
+S_UPPER_SRCS := 
+OBJ_SRCS := 
+ASM_SRCS := 
+PREPROCESSING_SRCS := 
+OBJS := 
+OBJS_AS_ARGS := 
+C_DEPS := 
+C_DEPS_AS_ARGS := 
+EXECUTABLES := 
+OUTPUT_FILE_PATH :=
+OUTPUT_FILE_PATH_AS_ARGS :=
+AVR_APP_PATH :=$$$AVR_APP_PATH$$$
+QUOTE := "
+ADDITIONAL_DEPENDENCIES:=
+OUTPUT_FILE_DEP:=
+LIB_DEP:=
+LINKER_SCRIPT_DEP:=
+
+# Every subdirectory with source files must be described here
+SUBDIRS := 
+
+
+# Add inputs and outputs from these tool invocations to the build variables 
+C_SRCS +=  \
+../main.c
+
+
+PREPROCESSING_SRCS += 
+
+
+ASM_SRCS += 
+
+
+OBJS +=  \
+main.o
+
+OBJS_AS_ARGS +=  \
+main.o
+
+C_DEPS +=  \
+main.d
+
+C_DEPS_AS_ARGS +=  \
+main.d
+
+OUTPUT_FILE_PATH +=UART.elf
+
+OUTPUT_FILE_PATH_AS_ARGS +=UART.elf
+
+ADDITIONAL_DEPENDENCIES:=
+
+OUTPUT_FILE_DEP:= ./makedep.mk
+
+LIB_DEP+= 
+
+LINKER_SCRIPT_DEP+= 
+
+
+# AVR32/GNU C Compiler
+
+
+
+./%.o: .././%.c
+	@echo Building file: $<
+	@echo Invoking: AVR/GNU C Compiler : 4.9.2
+	$(QUOTE)D:\Atmel\7.0\toolchain\avr8\avr8-gnu-toolchain\bin\avr-gcc.exe$(QUOTE)  -x c -funsigned-char -funsigned-bitfields -DDEBUG  -I"D:\Atmel\7.0\Packs\atmel\ATtiny_DFP\1.1.102\include"  -O1 -ffunction-sections -fdata-sections -fpack-struct -fshort-enums -g2 -Wall -mmcu=attiny817 -B "D:\Atmel\7.0\Packs\atmel\ATtiny_DFP\1.1.102\gcc\dev\attiny817" -c -std=gnu99 -MD -MP -MF "$(@:%.o=%.d)" -MT"$(@:%.o=%.d)" -MT"$(@:%.o=%.o)"   -o "$@" "$<" 
+	@echo Finished building: $<
+	
+
+
+
+# AVR32/GNU Preprocessing Assembler
+
+
+
+# AVR32/GNU Assembler
+
+
+
+
+ifneq ($(MAKECMDGOALS),clean)
+ifneq ($(strip $(C_DEPS)),)
+-include $(C_DEPS)
+endif
+endif
+
+# Add inputs and outputs from these tool invocations to the build variables 
+
+# All Target
+all: $(OUTPUT_FILE_PATH) $(ADDITIONAL_DEPENDENCIES)
+
+$(OUTPUT_FILE_PATH): $(OBJS) $(USER_OBJS) $(OUTPUT_FILE_DEP) $(LIB_DEP) $(LINKER_SCRIPT_DEP)
+	@echo Building target: $@
+	@echo Invoking: AVR/GNU Linker : 4.9.2
+	$(QUOTE)D:\Atmel\7.0\toolchain\avr8\avr8-gnu-toolchain\bin\avr-gcc.exe$(QUOTE) -o$(OUTPUT_FILE_PATH_AS_ARGS) $(OBJS_AS_ARGS) $(USER_OBJS) $(LIBS) -Wl,-Map="UART.map" -Wl,--start-group -Wl,-lm  -Wl,--end-group -Wl,--gc-sections -mmcu=attiny817 -B "D:\Atmel\7.0\Packs\atmel\ATtiny_DFP\1.1.102\gcc\dev\attiny817"  
+	@echo Finished building target: $@
+	"D:\Atmel\7.0\toolchain\avr8\avr8-gnu-toolchain\bin\avr-objcopy.exe" -O ihex -R .eeprom -R .fuse -R .lock -R .signature -R .user_signatures  "UART.elf" "UART.hex"
+	"D:\Atmel\7.0\toolchain\avr8\avr8-gnu-toolchain\bin\avr-objcopy.exe" -j .eeprom  --set-section-flags=.eeprom=alloc,load --change-section-lma .eeprom=0  --no-change-warnings -O ihex "UART.elf" "UART.eep" || exit 0
+	"D:\Atmel\7.0\toolchain\avr8\avr8-gnu-toolchain\bin\avr-objdump.exe" -h -S "UART.elf" > "UART.lss"
+	"D:\Atmel\7.0\toolchain\avr8\avr8-gnu-toolchain\bin\avr-objcopy.exe" -O srec -R .eeprom -R .fuse -R .lock -R .signature -R .user_signatures "UART.elf" "UART.srec"
+	"D:\Atmel\7.0\toolchain\avr8\avr8-gnu-toolchain\bin\avr-size.exe" "UART.elf"
+	
+	
+
+
+
+
+
+# Other Targets
+clean:
+	-$(RM) $(OBJS_AS_ARGS) $(EXECUTABLES)  
+	-$(RM) $(C_DEPS_AS_ARGS)   
+	rm -rf "UART.elf" "UART.a" "UART.hex" "UART.lss" "UART.eep" "UART.map" "UART.srec" "UART.usersignatures"
+	
\ No newline at end of file
--- a/Session2/UART/UART/Debug/UART.eep
+++ b/Session2/UART/UART/Debug/UART.eep
+:00000001FF
--- a/Session2/UART/UART/Debug/UART.elf
+++ b/Session2/UART/UART/Debug/UART.elf
--- a/Session2/UART/UART/Debug/UART.hex
+++ b/Session2/UART/UART/Debug/UART.hex
+:1000000019C022C021C020C01FC01EC01DC01CC0FE
+:100010001BC01AC019C018C017C016C015C014C024
+:1000200013C012C011C010C00FC00EC00DC00CC054
+:100030000BC00AC011241FBECFEFCDBFDFE3DEBF70
+:100040000E9458000C949D000C9400009C01990F94
+:10005000440B550B64E573E78BEC90E00E947B004A
+:10006000E4E2F4E0808184608083E0E2F4E0808177
+:1000700084608083832F992787FD9A958093090850
+:1000800020930808E6E0F8E08081806C8083089582
+:10009000E4E0F8E080818823ECF78091000808957F
+:1000A000E4E0F8E0908195FFFDCF80930208089589
+:1000B00080E895E20E942600E0E2F4E08081806121
+:1000C0008083E4E2F4E0808180618083C4E2D4E054
+:1000D0000E94480098819F7E98830E9450002AE6E3
+:1000E00084E091E0215080409040E1F700C0888199
+:1000F00080618883EDCFA1E21A2EAA1BBB1BFD01F4
+:100100000DC0AA1FBB1FEE1FFF1FA217B307E407F6
+:10011000F50720F0A21BB30BE40BF50B661F771F4E
+:10012000881F991F1A9469F760957095809590952E
+:0E0130009B01AC01BD01CF010895F894FFCFF3
+:00000001FF
--- a/Session2/UART/UART/Debug/UART.lss
+++ b/Session2/UART/UART/Debug/UART.lss
+
+UART.elf:     file format elf32-avr
+
+Sections:
+Idx Name          Size      VMA       LMA       File off  Algn
+  0 .data         00000000  00803e00  00803e00  00000192  2**0
+                  CONTENTS, ALLOC, LOAD, DATA
+  1 .text         0000013e  00000000  00000000  00000054  2**1
+                  CONTENTS, ALLOC, LOAD, READONLY, CODE
+  2 .comment      00000030  00000000  00000000  00000192  2**0
+                  CONTENTS, READONLY
+  3 .note.gnu.avr.deviceinfo 0000003c  00000000  00000000  000001c4  2**2
+                  CONTENTS, READONLY
+  4 .debug_aranges 00000038  00000000  00000000  00000200  2**0
+                  CONTENTS, READONLY, DEBUGGING
+  5 .debug_info   0000183c  00000000  00000000  00000238  2**0
+                  CONTENTS, READONLY, DEBUGGING
+  6 .debug_abbrev 00001692  00000000  00000000  00001a74  2**0
+                  CONTENTS, READONLY, DEBUGGING
+  7 .debug_line   000002e2  00000000  00000000  00003106  2**0
+                  CONTENTS, READONLY, DEBUGGING
+  8 .debug_frame  00000054  00000000  00000000  000033e8  2**2
+                  CONTENTS, READONLY, DEBUGGING
+  9 .debug_str    00000b34  00000000  00000000  0000343c  2**0
+                  CONTENTS, READONLY, DEBUGGING
+ 10 .debug_loc    00000039  00000000  00000000  00003f70  2**0
+                  CONTENTS, READONLY, DEBUGGING
+ 11 .debug_ranges 00000028  00000000  00000000  00003fa9  2**0
+                  CONTENTS, READONLY, DEBUGGING
+
+Disassembly of section .text:
+
+00000000 <__vectors>:
+   0:	19 c0       	rjmp	.+50     	; 0x34 <__ctors_end>
+   2:	22 c0       	rjmp	.+68     	; 0x48 <__bad_interrupt>
+   4:	21 c0       	rjmp	.+66     	; 0x48 <__bad_interrupt>
+   6:	20 c0       	rjmp	.+64     	; 0x48 <__bad_interrupt>
+   8:	1f c0       	rjmp	.+62     	; 0x48 <__bad_interrupt>
+   a:	1e c0       	rjmp	.+60     	; 0x48 <__bad_interrupt>
+   c:	1d c0       	rjmp	.+58     	; 0x48 <__bad_interrupt>
+   e:	1c c0       	rjmp	.+56     	; 0x48 <__bad_interrupt>
+  10:	1b c0       	rjmp	.+54     	; 0x48 <__bad_interrupt>
+  12:	1a c0       	rjmp	.+52     	; 0x48 <__bad_interrupt>
+  14:	19 c0       	rjmp	.+50     	; 0x48 <__bad_interrupt>
+  16:	18 c0       	rjmp	.+48     	; 0x48 <__bad_interrupt>
+  18:	17 c0       	rjmp	.+46     	; 0x48 <__bad_interrupt>
+  1a:	16 c0       	rjmp	.+44     	; 0x48 <__bad_interrupt>
+  1c:	15 c0       	rjmp	.+42     	; 0x48 <__bad_interrupt>
+  1e:	14 c0       	rjmp	.+40     	; 0x48 <__bad_interrupt>
+  20:	13 c0       	rjmp	.+38     	; 0x48 <__bad_interrupt>
+  22:	12 c0       	rjmp	.+36     	; 0x48 <__bad_interrupt>
+  24:	11 c0       	rjmp	.+34     	; 0x48 <__bad_interrupt>
+  26:	10 c0       	rjmp	.+32     	; 0x48 <__bad_interrupt>
+  28:	0f c0       	rjmp	.+30     	; 0x48 <__bad_interrupt>
+  2a:	0e c0       	rjmp	.+28     	; 0x48 <__bad_interrupt>
+  2c:	0d c0       	rjmp	.+26     	; 0x48 <__bad_interrupt>
+  2e:	0c c0       	rjmp	.+24     	; 0x48 <__bad_interrupt>
+  30:	0b c0       	rjmp	.+22     	; 0x48 <__bad_interrupt>
+  32:	0a c0       	rjmp	.+20     	; 0x48 <__bad_interrupt>
+
+00000034 <__ctors_end>:
+  34:	11 24       	eor	r1, r1
+  36:	1f be       	out	0x3f, r1	; 63
+  38:	cf ef       	ldi	r28, 0xFF	; 255
+  3a:	cd bf       	out	0x3d, r28	; 61
+  3c:	df e3       	ldi	r29, 0x3F	; 63
+  3e:	de bf       	out	0x3e, r29	; 62
+  40:	0e 94 58 00 	call	0xb0	; 0xb0 <main>
+  44:	0c 94 9d 00 	jmp	0x13a	; 0x13a <_exit>
+
+00000048 <__bad_interrupt>:
+  48:	0c 94 00 00 	jmp	0	; 0x0 <__vectors>
+
+0000004c <uart_init>:
+#include <util/delay.h>
+#include <stdbool.h>
+
+
+void uart_init(int baud){
+	int baudRate = ((4UL*F_CPU)/baud);	//CLK_PER = CLK_CPU, see tabell 24-2
+  4c:	9c 01       	movw	r18, r24
+  4e:	99 0f       	add	r25, r25
+  50:	44 0b       	sbc	r20, r20
+  52:	55 0b       	sbc	r21, r21
+  54:	64 e5       	ldi	r22, 0x54	; 84
+  56:	73 e7       	ldi	r23, 0x73	; 115
+  58:	8b ec       	ldi	r24, 0xCB	; 203
+  5a:	90 e0       	ldi	r25, 0x00	; 0
+  5c:	0e 94 7b 00 	call	0xf6	; 0xf6 <__udivmodsi4>
+	
+	//From chapter 24.3 in datasheet
+	PORTB_OUT |= (1 << 2); 
+  60:	e4 e2       	ldi	r30, 0x24	; 36
+  62:	f4 e0       	ldi	r31, 0x04	; 4
+  64:	80 81       	ld	r24, Z
+  66:	84 60       	ori	r24, 0x04	; 4
+  68:	80 83       	st	Z, r24
+	PORTB_DIR |= (1 << 2); 				//Setting up TX pin as output
+  6a:	e0 e2       	ldi	r30, 0x20	; 32
+  6c:	f4 e0       	ldi	r31, 0x04	; 4
+  6e:	80 81       	ld	r24, Z
+  70:	84 60       	ori	r24, 0x04	; 4
+  72:	80 83       	st	Z, r24
+	USART0_BAUDH = (baudRate >> 8); 	//Shift register right by 8 bits
+  74:	83 2f       	mov	r24, r19
+  76:	99 27       	eor	r25, r25
+  78:	87 fd       	sbrc	r24, 7
+  7a:	9a 95       	dec	r25
+  7c:	80 93 09 08 	sts	0x0809, r24	; 0x800809 <__TEXT_REGION_LENGTH__+0x700809>
+	USART0_BAUDL = baudRate; 			//Set baud rate
+  80:	20 93 08 08 	sts	0x0808, r18	; 0x800808 <__TEXT_REGION_LENGTH__+0x700808>
+	//control bits default async, 1 stop bit, 8 bit character size
+	USART0_CTRLB |= (1 << USART_RXEN_bp) | (1 << USART_TXEN_bp);	//Enable RX and TX
+  84:	e6 e0       	ldi	r30, 0x06	; 6
+  86:	f8 e0       	ldi	r31, 0x08	; 8
+  88:	80 81       	ld	r24, Z
+  8a:	80 6c       	ori	r24, 0xC0	; 192
+  8c:	80 83       	st	Z, r24
+  8e:	08 95       	ret
+
+00000090 <uart_recieve>:
+}
+
+// function to recieve data
+unsigned char uart_recieve (void){
+	while (!(USART0_STATUS & (1 << USART_RXCIF_bp)));
+  90:	e4 e0       	ldi	r30, 0x04	; 4
+  92:	f8 e0       	ldi	r31, 0x08	; 8
+  94:	80 81       	ld	r24, Z
+  96:	88 23       	and	r24, r24
+  98:	ec f7       	brge	.-6      	; 0x94 <uart_recieve+0x4>
+	return 	USART0_RXDATAL;
+  9a:	80 91 00 08 	lds	r24, 0x0800	; 0x800800 <__TEXT_REGION_LENGTH__+0x700800>
+}
+  9e:	08 95       	ret
+
+000000a0 <uart_transmit>:
+
+// function to transmit data
+void uart_transmit(unsigned char data){
+	while (!(USART0_STATUS & (1 << USART_DREIF_bp)));
+  a0:	e4 e0       	ldi	r30, 0x04	; 4
+  a2:	f8 e0       	ldi	r31, 0x08	; 8
+  a4:	90 81       	ld	r25, Z
+  a6:	95 ff       	sbrs	r25, 5
+  a8:	fd cf       	rjmp	.-6      	; 0xa4 <uart_transmit+0x4>
+	USART0_TXDATAL = data;
+  aa:	80 93 02 08 	sts	0x0802, r24	; 0x800802 <__TEXT_REGION_LENGTH__+0x700802>
+  ae:	08 95       	ret
+
+000000b0 <main>:
+
+
+int main(void)
+{
+	unsigned char a; // to hold the data
+	uart_init(9600); //start uart with baudrate of 9600
+  b0:	80 e8       	ldi	r24, 0x80	; 128
+  b2:	95 e2       	ldi	r25, 0x25	; 37
+  b4:	0e 94 26 00 	call	0x4c	; 0x4c <uart_init>
+	
+	PORTB_DIR |= (1 << PIN4_bp); //Setup onboard led for signaling
+  b8:	e0 e2       	ldi	r30, 0x20	; 32
+  ba:	f4 e0       	ldi	r31, 0x04	; 4
+  bc:	80 81       	ld	r24, Z
+  be:	80 61       	ori	r24, 0x10	; 16
+  c0:	80 83       	st	Z, r24
+	PORTB_OUT |= (1 << PIN4_bp);
+  c2:	e4 e2       	ldi	r30, 0x24	; 36
+  c4:	f4 e0       	ldi	r31, 0x04	; 4
+  c6:	80 81       	ld	r24, Z
+  c8:	80 61       	ori	r24, 0x10	; 16
+  ca:	80 83       	st	Z, r24
+	
+	
+    while (1) 
+    {
+		a = uart_recieve();			// save the recieved data in varible a
+		PORTB_OUT &= ~(1 << PIN4_bp);
+  cc:	c4 e2       	ldi	r28, 0x24	; 36
+  ce:	d4 e0       	ldi	r29, 0x04	; 4
+	PORTB_OUT |= (1 << PIN4_bp);
+	
+	
+    while (1) 
+    {
+		a = uart_recieve();			// save the recieved data in varible a
+  d0:	0e 94 48 00 	call	0x90	; 0x90 <uart_recieve>
+		PORTB_OUT &= ~(1 << PIN4_bp);
+  d4:	98 81       	ld	r25, Y
+  d6:	9f 7e       	andi	r25, 0xEF	; 239
+  d8:	98 83       	st	Y, r25
+		uart_transmit(a);			// transmit the recieved data back
+  da:	0e 94 50 00 	call	0xa0	; 0xa0 <uart_transmit>
+	#else
+		//round up by default
+		__ticks_dc = (uint32_t)(ceil(fabs(__tmp)));
+	#endif
+
+	__builtin_avr_delay_cycles(__ticks_dc);
+  de:	2a e6       	ldi	r18, 0x6A	; 106
+  e0:	84 e0       	ldi	r24, 0x04	; 4
+  e2:	91 e0       	ldi	r25, 0x01	; 1
+  e4:	21 50       	subi	r18, 0x01	; 1
+  e6:	80 40       	sbci	r24, 0x00	; 0
+  e8:	90 40       	sbci	r25, 0x00	; 0
+  ea:	e1 f7       	brne	.-8      	; 0xe4 <main+0x34>
+  ec:	00 c0       	rjmp	.+0      	; 0xee <main+0x3e>
+		_delay_ms(100);
+		PORTB_OUT |= (1 << PIN4_bp);
+  ee:	88 81       	ld	r24, Y
+  f0:	80 61       	ori	r24, 0x10	; 16
+  f2:	88 83       	st	Y, r24
+    }
+  f4:	ed cf       	rjmp	.-38     	; 0xd0 <main+0x20>
+
+000000f6 <__udivmodsi4>:
+  f6:	a1 e2       	ldi	r26, 0x21	; 33
+  f8:	1a 2e       	mov	r1, r26
+  fa:	aa 1b       	sub	r26, r26
+  fc:	bb 1b       	sub	r27, r27
+  fe:	fd 01       	movw	r30, r26
+ 100:	0d c0       	rjmp	.+26     	; 0x11c <__udivmodsi4_ep>
+
+00000102 <__udivmodsi4_loop>:
+ 102:	aa 1f       	adc	r26, r26
+ 104:	bb 1f       	adc	r27, r27
+ 106:	ee 1f       	adc	r30, r30
+ 108:	ff 1f       	adc	r31, r31
+ 10a:	a2 17       	cp	r26, r18
+ 10c:	b3 07       	cpc	r27, r19
+ 10e:	e4 07       	cpc	r30, r20
+ 110:	f5 07       	cpc	r31, r21
+ 112:	20 f0       	brcs	.+8      	; 0x11c <__udivmodsi4_ep>
+ 114:	a2 1b       	sub	r26, r18
+ 116:	b3 0b       	sbc	r27, r19
+ 118:	e4 0b       	sbc	r30, r20
+ 11a:	f5 0b       	sbc	r31, r21
+
+0000011c <__udivmodsi4_ep>:
+ 11c:	66 1f       	adc	r22, r22
+ 11e:	77 1f       	adc	r23, r23
+ 120:	88 1f       	adc	r24, r24
+ 122:	99 1f       	adc	r25, r25
+ 124:	1a 94       	dec	r1
+ 126:	69 f7       	brne	.-38     	; 0x102 <__udivmodsi4_loop>
+ 128:	60 95       	com	r22
+ 12a:	70 95       	com	r23
+ 12c:	80 95       	com	r24
+ 12e:	90 95       	com	r25
+ 130:	9b 01       	movw	r18, r22
+ 132:	ac 01       	movw	r20, r24
+ 134:	bd 01       	movw	r22, r26
+ 136:	cf 01       	movw	r24, r30
+ 138:	08 95       	ret
+
+0000013a <_exit>:
+ 13a:	f8 94       	cli
+
+0000013c <__stop_program>:
+ 13c:	ff cf       	rjmp	.-2      	; 0x13c <__stop_program>
--- a/Session2/UART/UART/Debug/UART.map
+++ b/Session2/UART/UART/Debug/UART.map
+Archive member included to satisfy reference by file (symbol)
+
+d:/atmel/7.0/toolchain/avr8/avr8-gnu-toolchain/bin/../lib/gcc/avr/4.9.2/avrxmega2\libgcc.a(_udivmodsi4.o)
+                              main.o (__udivmodsi4)
+d:/atmel/7.0/toolchain/avr8/avr8-gnu-toolchain/bin/../lib/gcc/avr/4.9.2/avrxmega2\libgcc.a(_exit.o)
+                              D:/Atmel/7.0/Packs/atmel/ATtiny_DFP/1.1.102/gcc/dev/attiny817/avrxmega2/crtattiny817.o (exit)
+
+Discarded input sections
+
+ .data          0x00000000        0x0 D:/Atmel/7.0/Packs/atmel/ATtiny_DFP/1.1.102/gcc/dev/attiny817/avrxmega2/crtattiny817.o
+ .bss           0x00000000        0x0 D:/Atmel/7.0/Packs/atmel/ATtiny_DFP/1.1.102/gcc/dev/attiny817/avrxmega2/crtattiny817.o
+ .text          0x00000000        0x0 main.o
+ .data          0x00000000        0x0 main.o
+ .bss           0x00000000        0x0 main.o
+ .text          0x00000000        0x0 d:/atmel/7.0/toolchain/avr8/avr8-gnu-toolchain/bin/../lib/gcc/avr/4.9.2/avrxmega2\libgcc.a(_udivmodsi4.o)
+ .data          0x00000000        0x0 d:/atmel/7.0/toolchain/avr8/avr8-gnu-toolchain/bin/../lib/gcc/avr/4.9.2/avrxmega2\libgcc.a(_udivmodsi4.o)
+ .bss           0x00000000        0x0 d:/atmel/7.0/toolchain/avr8/avr8-gnu-toolchain/bin/../lib/gcc/avr/4.9.2/avrxmega2\libgcc.a(_udivmodsi4.o)
+ .text.libgcc.mul
+                0x00000000        0x0 d:/atmel/7.0/toolchain/avr8/avr8-gnu-toolchain/bin/../lib/gcc/avr/4.9.2/avrxmega2\libgcc.a(_udivmodsi4.o)
+ .text.libgcc   0x00000000        0x0 d:/atmel/7.0/toolchain/avr8/avr8-gnu-toolchain/bin/../lib/gcc/avr/4.9.2/avrxmega2\libgcc.a(_udivmodsi4.o)
+ .text.libgcc.prologue
+                0x00000000        0x0 d:/atmel/7.0/toolchain/avr8/avr8-gnu-toolchain/bin/../lib/gcc/avr/4.9.2/avrxmega2\libgcc.a(_udivmodsi4.o)
+ .text.libgcc.builtins
+                0x00000000        0x0 d:/atmel/7.0/toolchain/avr8/avr8-gnu-toolchain/bin/../lib/gcc/avr/4.9.2/avrxmega2\libgcc.a(_udivmodsi4.o)
+ .text.libgcc.fmul
+                0x00000000        0x0 d:/atmel/7.0/toolchain/avr8/avr8-gnu-toolchain/bin/../lib/gcc/avr/4.9.2/avrxmega2\libgcc.a(_udivmodsi4.o)
+ .text.libgcc.fixed
+                0x00000000        0x0 d:/atmel/7.0/toolchain/avr8/avr8-gnu-toolchain/bin/../lib/gcc/avr/4.9.2/avrxmega2\libgcc.a(_udivmodsi4.o)
+ .text          0x00000000        0x0 d:/atmel/7.0/toolchain/avr8/avr8-gnu-toolchain/bin/../lib/gcc/avr/4.9.2/avrxmega2\libgcc.a(_exit.o)
+ .data          0x00000000        0x0 d:/atmel/7.0/toolchain/avr8/avr8-gnu-toolchain/bin/../lib/gcc/avr/4.9.2/avrxmega2\libgcc.a(_exit.o)
+ .bss           0x00000000        0x0 d:/atmel/7.0/toolchain/avr8/avr8-gnu-toolchain/bin/../lib/gcc/avr/4.9.2/avrxmega2\libgcc.a(_exit.o)
+ .text.libgcc.mul
+                0x00000000        0x0 d:/atmel/7.0/toolchain/avr8/avr8-gnu-toolchain/bin/../lib/gcc/avr/4.9.2/avrxmega2\libgcc.a(_exit.o)
+ .text.libgcc.div
+                0x00000000        0x0 d:/atmel/7.0/toolchain/avr8/avr8-gnu-toolchain/bin/../lib/gcc/avr/4.9.2/avrxmega2\libgcc.a(_exit.o)
+ .text.libgcc   0x00000000        0x0 d:/atmel/7.0/toolchain/avr8/avr8-gnu-toolchain/bin/../lib/gcc/avr/4.9.2/avrxmega2\libgcc.a(_exit.o)
+ .text.libgcc.prologue
+                0x00000000        0x0 d:/atmel/7.0/toolchain/avr8/avr8-gnu-toolchain/bin/../lib/gcc/avr/4.9.2/avrxmega2\libgcc.a(_exit.o)
+ .text.libgcc.builtins
+                0x00000000        0x0 d:/atmel/7.0/toolchain/avr8/avr8-gnu-toolchain/bin/../lib/gcc/avr/4.9.2/avrxmega2\libgcc.a(_exit.o)
+ .text.libgcc.fmul
+                0x00000000        0x0 d:/atmel/7.0/toolchain/avr8/avr8-gnu-toolchain/bin/../lib/gcc/avr/4.9.2/avrxmega2\libgcc.a(_exit.o)
+ .text.libgcc.fixed
+                0x00000000        0x0 d:/atmel/7.0/toolchain/avr8/avr8-gnu-toolchain/bin/../lib/gcc/avr/4.9.2/avrxmega2\libgcc.a(_exit.o)
+
+Memory Configuration
+
+Name             Origin             Length             Attributes
+text             0x00000000         0x00100000         xr
+data             0x00802000         0x0000ffa0         rw !x
+eeprom           0x00810000         0x00010000         rw !x
+fuse             0x00820000         0x00000009         rw !x
+lock             0x00830000         0x00000400         rw !x
+signature        0x00840000         0x00000400         rw !x
+user_signatures  0x00850000         0x00000400         rw !x
+*default*        0x00000000         0xffffffff
+
+Linker script and memory map
+
+Address of section .data set to 0x803e00
+LOAD D:/Atmel/7.0/Packs/atmel/ATtiny_DFP/1.1.102/gcc/dev/attiny817/avrxmega2/crtattiny817.o
+LOAD main.o
+START GROUP