-SERIAL = `echo /dev/tty.USA19QI*`
-UISP = uisp -dprog=avr910 -dserial=$(SERIAL) -dpart=auto
-TARGET = atmega8
-#TARGET = at90s2313
-# The two lines above are for "uisp" and the AVR910 serial programmer connected
-# to a Keyspan USB to serial converter to a Mac running Mac OS X.
-# Choose your favorite programmer and interface.
+#
+# Makefile for usbasp
+# 20061119 Thomas Fischl original
+# 20061120 Hanns-Konrad Unger help: and TARGET=atmega48 added
+#
+
+# TARGET=atmega8 HFUSE=0xc9 LFUSE=0xef
+# TARGET=atmega48 HFUSE=0xdd LFUSE=0xff
+# TARGET=at90s2313
+TARGET=atmega8
+HFUSE=0xc9
+LFUSE=0xef
+
+
+# ISP=bsd PORT=/dev/parport0
+# ISP=ponyser PORT=/dev/ttyS1
+# ISP=stk500 PORT=/dev/ttyS1
+# ISP=usbasp PORT=/dev/usb/ttyUSB0
+# ISP=stk500v2 PORT=/dev/ttyUSB0
+ISP=usbasp
+PORT=/dev/usb/ttyUSB0
+
+help:
+ @echo "Usage: make same as make help"
+ @echo " make help same as make"
+ @echo " make main.hex create main.hex"
+ @echo " make clean remove redundant data"
+ @echo " make disasm disasm main"
+ @echo " make flash upload main.hex into flash"
+ @echo " make fuses program fuses"
+ @echo " make avrdude test avrdude"
+ @echo "Current values:"
+ @echo " TARGET=${TARGET}"
+ @echo " LFUSE=${LFUSE}"
+ @echo " HFUSE=${HFUSE}"
+ @echo " CLOCK=12000000"
+ @echo " ISP=${ISP}"
+ @echo " PORT=${PORT}"
COMPILE = avr-gcc -Wall -O2 -Iusbdrv -I. -mmcu=$(TARGET) # -DDEBUG_LEVEL=2
OBJECTS = usbdrv/usbdrv.o usbdrv/usbdrvasm.o usbdrv/oddebug.o isp.o clock.o main.o
-
-# symbolic targets:
-all: main.hex
-
.c.o:
$(COMPILE) -c $< -o $@
#-Wa,-ahlms=$<.lst
cpp:
$(COMPILE) -E main.c
-avrdude:
- avrdude -c avr910 -p $(TARGET) -U flash:w:main.hex
+flash:
+ avrdude -c ${ISP} -p ${TARGET} -P ${PORT} -U flash:w:main.hex
fuses:
- avrdude -c avr910 -p m8 -u -U hfuse:w:0xc9:m -U lfuse:w:0x9f:m
+ avrdude -c ${ISP} -p ${TARGET} -P ${PORT} -u -U hfuse:w:$(HFUSE):m -U lfuse:w:$(LFUSE):m
+
+avrdude:
+ avrdude -c ${ISP} -p ${TARGET} -P ${PORT} -v
-# Fuse high byte:
+# Fuse atmega8 high byte HFUSE:
# 0xc9 = 1 1 0 0 1 0 0 1 <-- BOOTRST (boot reset vector at 0x0000)
# ^ ^ ^ ^ ^ ^ ^------ BOOTSZ0
# | | | | | +-------- BOOTSZ1
# | | +---------------- SPIEN (allow serial programming)
# | +------------------ WDTON (WDT not always on)
# +-------------------- RSTDISBL (reset pin is enabled)
-# Fuse low byte:
+# Fuse atmega8 low byte LFUSE:
# 0x9f = 1 0 0 1 1 1 1 1
# ^ ^ \ / \--+--/
# | | | +------- CKSEL 3..0 (external >8M crystal)
# | | +--------------- SUT 1..0 (crystal osc, BOD enabled)
# | +------------------ BODEN (BrownOut Detector enabled)
# +-------------------- BODLEVEL (2.7V)
+#
+# Fuse atmega48 high byte hfuse:
+# 0xdf = 1 1 0 1 1 1 1 1 factory setting
+# ^ ^ ^ ^ ^ \-+-/
+# | | | | | +------ BODLEVEL (Brown out disabled)
+# | | | | + --------- EESAVE (don't preserve EEPROM over chip erase)
+# | | | +-------------- WDTON (WDT not always on)
+# | | +---------------- SPIEN (allow serial programming)
+# | +------------------ DWEN (debug wire is disabled)
+# +-------------------- RSTDISBL (reset pin is enabled)
+# 0xdd = ext.reset, no DW, SPI, no watchdog, no save eeprom, BOD 2.7V
+# Fuse atmega48 low byte lfuse:
+# 0x62 = 0 1 1 0 0 0 1 0 factory setting
+# ^ ^ \ / \--+--/
+# | | | +------- CKSEL 3..0 (internal 8Mhz Oszillator)
+# | | +--------------- SUT 1..0 (start-up time)
+# | +------------------ CKOUT (no clock output)
+# +-------------------- CKDIV8 (divide clock by 8)
+# 0xdc = divide/1,no clock output,fast raising power,low Pw Oszil. 3..8 Mhz
+# 0xe0 = divide/1,no clock output,fast raising power,external Oszil.
+# 0xff = divide/1,no clock output,slow raising power,low Pw Oszil 8.. Mhz
+
+SERIAL = `echo /dev/tty.USA19QI*`
+UISP = uisp -dprog=$S -dserial=$(SERIAL) -dpart=auto
+# The two lines above are for "uisp" and the AVR910 serial programmer connected
+# to a Keyspan USB to serial converter to a Mac running Mac OS X.
+# Choose your favorite programmer and interface.
uisp: all
$(UISP) --erase