MYSBootloader 1.0

Bootloader for (direct) OTA FW updates. Occupies 1834 bytes
.hex is compiled for 16Mhz. Bootloader was tested in this frequency
range; 128kHz (intRC) to 16Mhz(XTAL) at 3.3 and 5V.
For OTA bootloading, MYSController was used, NodeJS Controller not
tested.

MYSBootloader/Makefile

@@ -0,0 +1,65 @@
+PROJECT = MYSBootloader
+INCLUDES = ../libraries/MySensors
+
+MCU = atmega328p
+CLK = 16000000L
+
+ISP_PORT = com5
+ISP_SPEED = 115200
+ISP_PROTOCOL = stk500v2
+ISP_MCU = m328p
+ISP_HFUSE = DA
+ISP_LFUSE = F7
+ISP_EFUSE = 06
+ISP_ARGS = -c$(ISP_PROTOCOL) -P$(ISP_PORT) -b$(ISP_SPEED) -p$(ISP_MCU)
+
+ifeq ($(OS),Windows_NT)
+	BINPATH = C:/Program Files (x86)/Arduino/hardware/tools/avr/bin/
+	JAVAPATH = C:/Program Files/Java/jdk1.7.0_40/bin/
+	JAVAC = $(JAVAPATH)javac.exe
+	JAVA = $(JAVAPATH)java.exe
+else
+	UNAME_S := $(shell uname -s)
+	UNAME_P := $(shell uname -p)
+	UNAME_M := $(shell uname -m)
+	ifeq ($(UNAME_S),Linux)
+		ifeq ($(UNAME_P),x86_64)
+			BINPATH = ../arduino/bin-linux64/bin/
+		else ifneq ($(filter %86,$(UNAME_P)),)
+			BINPATH = ../arduino/bin-linux32/bin/
+		else ifneq ($(filter arm%,$(UNAME_M)),)
+			BINPATH = /usr/bin/
+		endif
+	endif
+endif
+
+CFLAGS = -x c -mno-interrupts -funsigned-char -funsigned-bitfields -DF_CPU=$(CLK)-Os -fno-inline-small-functions -fno-split-wide-types -ffunction-sections -fdata-sections -fpack-struct -fshort-enums -mrelax -Wall -mmcu=$(MCU) -c -std=gnu99 -MD -MP -MF "$(@:%.o=%.d)" -MT"$(@:%.o=%.d)" -MT"$(@:%.o=%.o)" 
+LDFLAGS = -nostartfiles -Wl,-s -Wl,-static -Wl,-Map="$(OutputFileName).map" -Wl,--start-group  -Wl,--end-group -Wl,--gc-sections -mrelax -Wl,-section-start=.text=0x7800 -mmcu=$(MCU)  
+
+
+
+all: clean out
+
+clean:
+	- rm *.o
+	- rm *.elf
+	- rm *.hex
+
+$(PROJECT).o: $(PROJECT).c
+	"$(BINPATH)avr-gcc" $(CFLAGS) -I$(INCLUDES) $< -o $@
+
+$(PROJECT).elf: $(PROJECT).o
+	"$(BINPATH)avr-gcc" $(LDFLAGS) -o $@ $< -lm
+	
+$(PROJECT).hex: $(PROJECT).elf
+	"$(BINPATH)avr-objcopy" -O ihex -R .eeprom $< $@ 
+
+out: $(PROJECT).hex
+	"$(BINPATH)avr-size" $(PROJECT).elf
+
+load: clean out isp
+
+isp: $(PROJECT).hex
+	"$(BINPATH)avrdude" $(ISP_ARGS) -e -u -Ulock:w:0x3f:m -qq -Uefuse:w:0x$(ISP_EFUSE):m -Uhfuse:w:0x$(ISP_HFUSE):m -Ulfuse:w:0x$(ISP_LFUSE):m -Ulock:w:0x0f:m
+	"$(BINPATH)avrdude" $(ISP_ARGS) -V -q -s -Uflash:w:$(PROJECT).hex
+	"$(BINPATH)avrdude" $(ISP_ARGS)