Initial commit

.gitignore

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+build
+*~

CMakeLists.txt

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+cmake_minimum_required(VERSION 2.8.3)
+
+
+SET(BOARD "atmega328" CACHE STRING "AVR CPU to build for")
+SET(CLOCK "16000000" CACHE STRING "CPU clock")
+
+SET(FLASH_FLAGS "-patmega328p" "-carduino" "-P/dev/ttyUSB0" "-b57600" CACHE STRING "avrdude flags")
+
+
+find_program(AVR_GCC avr-gcc)
+find_program(AVRDUDE avrdude)
+
+SET(CMAKE_SYSTEM_NAME Generic)
+
+
+#SET(CWARN "-Wall")
+#SET(CTUNING "-funsigned-char -funsigned-bitfields -fpack-struct -fshort-enums")
+#SET(COPT "-Os")
+#SET(CMCU "-mmcu=${BOARD}")
+#SET(CDEFS "-DF_CPU=${CLOCK}")
+
+SET(CMAKE_C_COMPILER ${AVR_GCC})
+
+project(ARDKBD C)
+
+set(CMAKE_MODULE_PATH ${ARDKDB_SOURCE_DIR})
+
+
+add_executable(ardkbd.elf
+  ardkbd.c
+)
+set_target_properties(ardkbd.elf PROPERTIES
+  COMPILE_FLAGS "-Wall -funsigned-char -funsigned-bitfields -fpack-struct -fshort-enums -Os -mmcu=${BOARD}"
+  COMPILE_DEFINITIONS "F_CPU=${CLOCK}"
+)
+
+add_custom_command(OUTPUT ardkbd.hex COMMAND ${CMAKE_OBJCOPY} -O ihex -R .eeprom ardkbd.elf ardkbd.hex DEPENDS ardkbd.elf)
+add_custom_target(ardkbd ALL DEPENDS ardkbd.hex)
+
+add_custom_target(flash COMMAND ${AVRDUDE} ${FLASH_FLAGS} -D -Uflash:w:ardkbd.hex:i DEPENDS ardkbd)

ardkbd.c

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+#include <avr/io.h>
+#include <util/delay.h>
+
+
+#include <stdbool.h>
+
+
+
+int main() {
+	DDRB  = 0xFF;
+	PORTB = 0;
+
+	while(true) {
+		_delay_ms(1000);
+		PORTB ^= 0x20;
+	}
+
+	return 0;
+}
+