switch to arduino-mk & fast led for a quick prototype

.gitignore

 *.elf
 *.o
 *.ihex
+build-*

.gitmodules

+[submodule "vendor/FastLED"]
+	path = vendor/FastLED
+	url = https://github.com/FastLED/FastLED.git

Makefile

-CC=avr-gcc
-MMCU=atmega328p
-CLOCK=16000000
+USER_LIB_PATH := $(shell pwd)/vendor
+ARDUINO = /usr/share/arduino
+ARDUINO_DIR = $(ARDUINO)
 
-CFLAGS := -std=gnu99 -Os -Wall -ffunction-sections -fdata-sections -mmcu=$(MMCU) -DF_CPU=$(CLOCK)
-LDFLAGS := -Os -mmcu=$(MMCU) -ffunction-sections -fdata-sections -Wl,--gc-sections 
+BOARD_TAG    = uno
+ARDUINO_LIBS = FastLED
 
-SOURCES := $(wildcard src/*.c src/*/*.c)
-HEADERS := $(wildcard src/*.h src/*/*.h)
-OBJECTS := $(subst .c,.o, $(subst src,build, $(SOURCES)))
-
-.Phony: clean flash
-
-default: shelf-lights.ihex
-
-shelf-lights.ihex: shelf-lights.elf
-	avr-objcopy -O ihex -R .eeprom shelf-lights.elf shelf-lights.ihex
-
-shelf-lights.elf: $(OBJECTS)
-	$(CC) -o $@ $(OBJECTS) $(LDFLAGS)
-
-$(OBJECTS): ./build/%.o: ./src/%.c
-	mkdir -p $(@D)
-	$(CC) -c $< -o $@ $(CFLAGS)
-
-flash: shelf-lights.ihex
-	avrdude -C /etc/avrdude.conf -p $(MMCU) -c arduino -b 115200 -P /dev/ttyUSB0 -U flash:w:shelf-lights.ihex:i
-
-clean:
-	rm -f shelf-lights.elf
-	rm -f shelf-lights.ihex
-	rm -rf build
+include /usr/share/arduino/Arduino.mk

main.cpp

+#include <FastLED.h>
+
+// How many leds in your strip?
+#define NUM_LEDS 1
+
+// For led chips like WS2812, which have a data line, ground, and power, you just
+// need to define DATA_PIN.  For led chipsets that are SPI based (four wires - data, clock,
+// ground, and power), like the LPD8806 define both DATA_PIN and CLOCK_PIN
+// Clock pin only needed for SPI based chipsets when not using hardware SPI
+#define DATA_PIN 3
+
+// Define the array of leds
+CRGB leds[NUM_LEDS];
+
+void setup() { 
+    FastLED.addLeds<WS2813, DATA_PIN, RGB>(leds, NUM_LEDS);
+
+}
+
+void loop() { 
+  // Turn the LED on, then pause
+  leds[0] = CRGB::Red;
+  FastLED.show();
+  delay(500);
+  // Now turn the LED off, then pause
+  leds[0] = CRGB::Black;
+  FastLED.show();
+  delay(500);
+}

src/main.c

-#include <avr/io.h> //defines pins, ports etc
-#include<util/delay.h> //functions for wasting time
-
-int main (void) {
-//init
-DDRB |= (1<<PB5); //Data Direction Register B:
-//writing a 1 to the Pin B5 bit enables output
-//Event loop
-  while (1) {
-    PORTB = 0b00100000; //turn on 5th LED bit/pin in PORT B (Pin13 in Arduino)
-    _delay_ms (1000); //wait
-
-    PORTB = 0b00000000; //turn off all bits/pins on PB    
-    _delay_ms (1000); //wait
-  } //end loop
-  return(0); //end program. This never happens.
-}

FastLED @ 8b387714

+Subproject commit 8b3877143287ac3e5d63934d1c8271c54035f243