Updated to support bootloader programming w/Optiboot.

Use Optiboot v4.4, modify target optiboot-target "atmega328" and set AVR_FREQ to
atmega328: AVR_FREQ = 20000000L

Get Optiboot v4.4 from https://code.google.com/p/optiboot/downloads/list

diff --git a/Makefile b/Makefile
index 783fdcd6f4511c570c80e62232e9bd3cde7d895b..2569c38b2b132abce3a733e780768a9c8ab3883d 100644 (file)
--- a/Makefile
+++ b/Makefile
@@ -12,6 +12,10 @@
 AVRDUDE_PROGRAMMER = usbtiny
 AVRDUDE_PORT = usb
 
+AVRDUDE_BL_PROGRAMMER = arduino
+AVRDUDE_BL_PORT = COM3
+AVRDUDE_BL_SPEED = 115200
+
 # Target name and MCU setup -------------------------------------------------
 
 TARGET = fbosd
@@ -50,6 +54,12 @@ F_CPU = 20000000
 FUSE_LOW  = 0xAF
 FUSE_HIGH = 0xD9
 FUSE_EXT  = 0x7
+FUSE_LOCK = 0x3F
+
+BL_FUSE_LOW  = 0xBF
+BL_FUSE_HIGH = 0xDE
+BL_FUSE_EXT  = 0x7
+BL_FUSE_LOCK = 0x2F
 
 # Source files to compile ---------------------------------------------------
 
@@ -180,8 +190,8 @@ AVRDUDE_WRITE_FLASH = -U flash:w:$(TARGET).hex
 # to submit bug reports.
 #AVRDUDE_VERBOSE = -v -v
 
-AVRDUDE_BASIC = -p $(MCU) -P $(AVRDUDE_PORT) -c $(AVRDUDE_PROGRAMMER)
-AVRDUDE_FLAGS = $(AVRDUDE_BASIC) $(AVRDUDE_NO_VERIFY) $(AVRDUDE_VERBOSE) $(AVRDUDE_ERASE_COUNTER)
+AVRDUDE_PROG = -p $(MCU) -P $(AVRDUDE_PORT) -c $(AVRDUDE_PROGRAMMER)
+AVRDUDE_FLAGS   = $(AVRDUDE_NO_VERIFY) $(AVRDUDE_VERBOSE) $(AVRDUDE_ERASE_COUNTER)
 
 
 # Define all object files.
@@ -218,22 +228,34 @@ size:
 
 # Program the device.  
 program: $(TARGET).hex $(TARGET).eep
-       $(AVRDUDE) $(AVRDUDE_FLAGS) $(AVRDUDE_WRITE_FLASH) $(AVRDUDE_WRITE_EEPROM)
+       $(AVRDUDE) -p $(MCU) $(AVRDUDE_PROG) $(AVRDUDE_FLAGS) $(AVRDUDE_WRITE_FLASH) $(AVRDUDE_WRITE_EEPROM)
 
+bl_program: $(TARGET).hex $(TARGET).eep
+       $(AVRDUDE) -p $(MCU) -c $(AVRDUDE_BL_PROGRAMMER) -P $(AVRDUDE_BL_PORT) -b $(AVRDUDE_BL_SPEED) $(AVRDUDE_NO_VERIFY) $(AVRDUDE_VERBOSE) $(AVRDUDE_ERASE_COUNTER) $(AVRDUDE_WRITE_FLASH)
 
 # make fuseread can be used to test programmer connectivity, and naturally to verify fuses..
 fuseread:
-       $(AVRDUDE) $(AVRDUDE_BASIC) -q -U lfuse:r:-:h -U hfuse:r:-:h -U efuse:r:-:h
+       $(AVRDUDE) -p $(MCU) $(AVRDUDE_PROG) -q -U lfuse:r:-:h -U hfuse:r:-:h -U efuse:r:-:h
 
 FUSES =
 ifdef FUSE_EXT
 FUSES += -U efuse:w:$(FUSE_EXT):m
 endif
-FUSES += -U hfuse:w:$(FUSE_HIGH):m
+FUSES += -U efuse:w:$(FUSE_EXT):m
 FUSES += -U lfuse:w:$(FUSE_LOW):m
 
 fusebits: $(TARGET).hex
-       $(AVRDUDE) $(AVRDUDE_BASIC) $(FUSES)
+       $(AVRDUDE) -p $(MCU) $(AVRDUDE_PROG) $(FUSES)
+
+lockbits: $(TARGET).hex
+       $(AVRDUDE) -p $(MCU) $(AVRDUDE_PROG) -e -u -U lock:w:$(FUSE_LOCK):m
+
+bl_fusebits: $(TARGET).hex
+       $(AVRDUDE) -p $(MCU) $(AVRDUDE_PROG) -U efuse:w:$(BL_FUSE_EXT):m -U efuse:w:$(BL_FUSE_EXT):m -U lfuse:w:$(BL_FUSE_LOW):m
+       
+bl_lockbits: $(TARGET).hex
+       $(AVRDUDE)-p $(MCU) $(AVRDUDE_PROG) -e -u -U lock:w:$(BL_FUSE_LOCK):m
+
 # Convert ELF to COFF for use in debugging / simulating in AVR Studio or VMLAB.
 COFFCONVERT=$(OBJCOPY) --debugging \
 --change-section-address .data-0x800000 \
@@ -241,7 +263,6 @@ COFFCONVERT=$(OBJCOPY) --debugging \
 --change-section-address .noinit-0x800000 \
 --change-section-address .eeprom-0x810000 
 
-
 coff: $(TARGET).elf
        $(COFFCONVERT) -O coff-avr $(TARGET).elf $(TARGET).cof