buttons

blink/build.sh

@@ -5,8 +5,7 @@ BUILD=./build
 mkdir -p $BUILD
 avr-gcc -mmcu=atmega328p -DF_CPU=16000000L \
 	-DARDUINO=10607 -DARDUINO_AVR_NANO -DARDUINO_ARCH_AVR \
-	-I/home/plex/.arduino15/packages/arduino/hardware/avr/1.8.6/cores/arduino \
-	-I/home/plex/.arduino15/packages/arduino/hardware/avr/1.8.6/variants/eightanaloginputs \
+	-I/usr/avr/include \
 	main.c -o $BUILD/main.elf
 avr-objcopy -O ihex -R .eeprom $BUILD/main.elf $BUILD/main.hex
 

blink/build/main.hex

@@ -0,0 +1,116 @@
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buttons/build.sh

@@ -0,0 +1,17 @@
+#!/bin/bash
+set -e
+TDIR=$(mktemp -d)
+BUILD=./build
+mkdir -p $BUILD
+avr-gcc -mmcu=atmega328p -DF_CPU=16000000L \
+	-DARDUINO=10607 -DARDUINO_AVR_NANO -DARDUINO_ARCH_AVR \
+	-I/usr/avr/include \
+	main.c -o $BUILD/main.elf
+avr-objcopy -O ihex -R .eeprom $BUILD/main.elf $BUILD/main.hex
+
+avr-size -A $BUILD/main.elf
+avrdude \
+	"-C/home/plex/.arduino15/packages/arduino/tools/avrdude/6.3.0-arduino17/etc/avrdude.conf" -v -V \
+	-patmega328p -carduino -P/dev/ttyUSB0 -b57600 -D \
+	-Uflash:w:$BUILD/main.hex:i
+

buttons/build/main.hex

@@ -0,0 +1,18 @@
+:100000000C9434000C943E000C943E000C943E0082
+:100010000C943E000C943E000C943E000C943E0068
+:100020000C943E000C943E000C943E000C943E0058
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+:100050000C943E000C943E000C943E000C943E0028
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+:1000F00090E0FC01208185E290E02F7DFC012083CF
+:06010000D9CFF894FFCFF7
+:00000001FF

buttons/main.c

@@ -0,0 +1,24 @@
+#define F_CPU 16000000UL
+#include <avr/io.h>
+#include <util/delay.h>
+
+
+int main(void)
+{
+   DDRB = 0xff;
+   DDRD = 0;
+
+   PORTD |= (1 << PORTD2) | (1 << PORTD3);
+
+   PORTB = 0;
+
+    while (1)
+    {
+     if (! (PIND & (1 << PIND2))) {
+      PORTB |= (1 << PORTB5);
+     }
+     if (! (PIND & (1 << PIND3))) {
+      PORTB &= ~(1 << PORTB5);
+     }
+    }
+}