Compilation scripts and major refactoring

.gitignore

@@ -0,0 +1,6 @@
+*.d
+*.o
+*.eep
+*.elf
+*.hex
+*.pdf

asm_alg.xml

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+<mxfile host="app.diagrams.net" modified="2021-01-24T12:48:20.350Z" agent="5.0 (Windows)" etag="FSfYhUCdbVDNfYVQ8Vhe" version="14.1.9" type="device"><diagram id="pHpJbLtIqph5go0xJfpR" name="Page-1">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</diagram></mxfile>

src/avr_asm_lib/avr_asm_lib.S

@@ -1,9 +1,9 @@
 ; Copyright 2021 KoroLion (https://github.com/KoroLion)
 
 #define __SFR_OFFSET 0
-#define LED_PORT 7
+#define LED_PORT 7 // led port
  
-#include "avr/io.h" // ~ #include "avr/iom328p.h"
+#include "avr/io.h" // #include "avr/iom328p.h"
 
 .section .bss
 lm35_port: .byte 0
@@ -126,8 +126,8 @@ lm35_read:
   divw10 r25, r24
   mov r24, r30 ; uint8_t return value
   adiw r24, 2 ; due to LM35 formula (2C to 150C)
-
+  
+  clr r1 ; docs requirement
   sei ; allow interruptions
-  clr r1 ; c requirement
 
   ret

src/avr_asm_lib/avr_asm_lib.h

@@ -0,0 +1,13 @@
+#ifndef __AVR_ASM_LIB.H
+#define __AVR_ASM_LIB.H
+
+extern "C" {
+  void lm35_init(unsigned char port);
+  unsigned char lm35_read();
+
+  void led_init();
+  void led_enable();
+  void led_disable();
+}
+
+#endif  // __AVR_ASM_LIB.H

src/avr_asm_lib/avr_asm_lib.ino

@@ -1,22 +1,17 @@
 // Copyright 2021 KoroLion (https://github.com/KoroLion)
 
-extern "C" {
-  void lm35_init(unsigned char port);
-  unsigned char lm35_read();
-
-  void led_init();
-  void led_enable();
-  void led_disable();
-}
+#include "avr_asm_lib.h"
 
 const unsigned char LED_TEMP = 30;
 
 int main() {
   lm35_init(17);
   led_init();
+  Serial.begin(9600);
 
   while (true) {
     unsigned char t = lm35_read();
+    Serial.println((short)t);
     if (t >= LED_TEMP) {
       led_enable();
     } else {

src/avr_asm_lib/build.bat

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+rm build/avr_asm_lib.ino.cpp
+rm build/avr_asm_lib.h
+cp avr_asm_lib.ino build/avr_asm_lib.ino.cpp
+cp avr_asm_lib.h build/avr_asm_lib.h
+
+"C:\\Users\\KoroLion\\AppData\\Local\\Arduino15\\packages\\arduino\\tools\\avr-gcc\\7.3.0-atmel3.6.1-arduino7\\bin\\avr-gcc" -c -g -x assembler-with-cpp -flto -MMD -mmcu=atmega328p -DF_CPU=16000000L -DARDUINO=10813 -DARDUINO_AVR_NANO -DARDUINO_ARCH_AVR avr_asm_lib.S -o build/avr_asm_lib.S.o
+
+"C:\\Users\\KoroLion\\AppData\\Local\\Arduino15\\packages\\arduino\\tools\\avr-gcc\\7.3.0-atmel3.6.1-arduino7/bin/avr-g++" -c -g -Os -w -std=gnu++11 -fpermissive -fno-exceptions -ffunction-sections -fdata-sections -fno-threadsafe-statics -Wno-error=narrowing -MMD -flto -mmcu=atmega328p -DF_CPU=16000000L -DARDUINO=10813 -DARDUINO_AVR_NANO -DARDUINO_ARCH_AVR build/avr_asm_lib.ino.cpp -o build/avr_asm_lib.ino.cpp.o
+
+"C:\\Users\\KoroLion\\AppData\\Local\\Arduino15\\packages\\arduino\\tools\\avr-gcc\\7.3.0-atmel3.6.1-arduino7/bin/avr-gcc" -w -Os -g -flto -fuse-linker-plugin -Wl,--gc-sections -mmcu=atmega328p -o build/avr_asm_lib.ino.elf build/avr_asm_lib.S.o build/avr_asm_lib.ino.cpp.o -lm
+
+"C:\\Users\\KoroLion\\AppData\\Local\\Arduino15\\packages\\arduino\\tools\\avr-gcc\\7.3.0-atmel3.6.1-arduino7/bin/avr-objcopy" -O ihex -j .eeprom --set-section-flags=.eeprom=alloc,load --no-change-warnings --change-section-lma .eeprom=0 build/avr_asm_lib.ino.elf build/avr_asm_lib.ino.eep
+
+"C:\\Users\\KoroLion\\AppData\\Local\\Arduino15\\packages\\arduino\\tools\\avr-gcc\\7.3.0-atmel3.6.1-arduino7/bin/avr-objcopy" -O ihex -R .eeprom build/avr_asm_lib.ino.elf build/avr_asm_lib.ino.hex

src/avr_asm_lib/build/.gitignore

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+avr_asm_lib.ino.cpp
+avr_asm_lib.h

src/avr_asm_lib/upload.bat

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+"C:\Users\KoroLion\AppData\Local\Arduino15\packages\arduino\tools\avrdude\6.3.0-arduino17\bin\avrdude" -Cavrdude.conf -v -patmega328p -carduino -PCOM6 -b57600 -D -Uflash:w:build/avr_asm_lib.ino.hex:i