vault backup: 2025-04-09 14:10:53

3-99 Research/3 ARCADE/I2C/main.c

@@ -1,5 +1,3 @@
-#define F_CPU 16000000UL
-
 #include <avr/io.h>
 #include <util/delay.h>
 
@@ -17,8 +15,8 @@ int main(void) {
 
     // Clear PB5: LED OFF
     PORTB &= ~(1 << PB5);
-    _delay_ms(1000); // Delay 1000 milliseconds (1 second)
-  }
+    _delay_ms(1000); // Delay 1000 milliseconds (1 second) }
 
-  return 0; // Though this line is never reached because of the infinite loop
+    return 0; // Though this line is never reached because of the infinite loop
+  }
 }

3-99 Research/3 ARCADE/I2C/main.hex

@@ -5,74 +5,9 @@
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 :100050000C943E000C943E000C943E000C943E0028
 :100060000C943E000C943E0011241FBECFEFD8E04C
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+:10007000DEBFCDBF0E9440000C9458000C940000DD
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+:0400B000F894FFCFF2
 :00000001FF

3-99 Research/3 ARCADE/I2C/makefile

@@ -0,0 +1,41 @@
+
+# Define the microcontroller type and clock frequency.
+MCU = atmega328p
+F_CPU = 16000000UL
+
+# Define the project name (source and output files)
+TARGET = main
+SRC = $(TARGET).c
+
+# Compiler and tools for AVR
+CC = avr-gcc
+CFLAGS = -mmcu=$(MCU) -DF_CPU=$(F_CPU) -Os -Wall
+LDFLAGS = -mmcu=$(MCU)
+OBJCOPY = avr-objcopy
+
+# avrdude settings: adjust the port (-P) to match your device
+AVRDUDE = avrdude
+AVRDUDE_FLAGS = -c arduino -p m328p -P /dev/ttyACM0 -b 115200
+
+# Output file names
+ELF = $(TARGET).elf
+HEX = $(TARGET).hex
+
+# Default target: builds the HEX file
+all: $(HEX)
+
+# Compile source file to an ELF executable
+$(ELF): $(SRC)
+	$(CC) $(CFLAGS) $(SRC) -o $(ELF)
+
+# Convert the ELF file to an Intel HEX file
+$(HEX): $(ELF)
+	$(OBJCOPY) -O ihex -R .eeprom $(ELF) $(HEX)
+
+# Flash the HEX file to the device with avrdude
+flash: $(HEX)
+	$(AVRDUDE) $(AVRDUDE_FLAGS) -D -U flash:w:$(HEX):i
+
+# Clean up build files
+clean:
+	rm -f $(ELF) $(HEX)