3 # 20061119 Thomas Fischl original
4 # 20061120 Hanns-Konrad Unger help: and TARGET=atmega48 added
7 # TARGET=atmega8 HFUSE=0xc9 LFUSE=0xef
8 # TARGET=atmega48 HFUSE=0xdd LFUSE=0xff
15 # ISP=bsd PORT=/dev/parport0
16 # ISP=ponyser PORT=/dev/ttyS1
17 # ISP=stk500 PORT=/dev/ttyS1
18 # ISP=usbasp PORT=/dev/usb/ttyUSB0
19 # ISP=stk500v2 PORT=/dev/ttyUSB0
24 @echo
"Usage: make same as make help"
25 @echo
" make help same as make"
26 @echo
" make main.hex create main.hex"
27 @echo
" make clean remove redundant data"
28 @echo
" make disasm disasm main"
29 @echo
" make flash upload main.hex into flash"
30 @echo
" make fuses program fuses"
31 @echo
" make avrdude test avrdude"
32 @echo
"Current values:"
33 @echo
" TARGET=${TARGET}"
34 @echo
" LFUSE=${LFUSE}"
35 @echo
" HFUSE=${HFUSE}"
36 @echo
" CLOCK=12000000"
40 COMPILE
= avr-gcc
-Wall
-O2
-Iusbdrv
-I.
-mmcu
=$(TARGET
) # -DDEBUG_LEVEL=2
42 OBJECTS
= usbdrv
/usbdrv.o usbdrv
/usbdrvasm.o usbdrv
/oddebug.o isp.o clock.o main.o
45 $(COMPILE
) -c
$< -o
$@
49 $(COMPILE
) -x assembler-with-cpp
-c
$< -o
$@
50 # "-x assembler-with-cpp" should not be necessary since this is the default
51 # file type for the .S (with capital S) extension. However, upper case
52 # characters are not always preserved on Windows. To ensure WinAVR
53 # compatibility define the file type manually.
56 $(COMPILE
) -S
$< -o
$@
59 rm -f main.hex main.lst main.obj main.cof main.list main.map main.eep.hex main.bin
*.o main.s usbdrv
/*.o
63 $(COMPILE
) -o main.bin
$(OBJECTS
) -Wl
,-Map
,main.map
66 rm -f main.hex main.eep.hex
67 avr-objcopy
-j .text
-j .data
-O ihex main.bin main.hex
68 # ./checksize main.bin
69 # do the checksize script as our last action to allow successful compilation
70 # on Windows with WinAVR where the Unix commands will fail.
73 avr-objdump
-d main.bin
79 avrdude
-c
${ISP} -p
${TARGET} -P
${PORT} -U flash
:w
:main.hex
82 avrdude
-c
${ISP} -p
${TARGET} -P
${PORT} -u
-U hfuse
:w
:$(HFUSE
):m
-U lfuse
:w
:$(LFUSE
):m
85 avrdude
-c
${ISP} -p
${TARGET} -P
${PORT} -v
87 # Fuse atmega8 high byte HFUSE:
88 # 0xc9 = 1 1 0 0 1 0 0 1 <-- BOOTRST (boot reset vector at 0x0000)
89 # ^ ^ ^ ^ ^ ^ ^------ BOOTSZ0
90 # | | | | | +-------- BOOTSZ1
91 # | | | | + --------- EESAVE (don't preserve EEPROM over chip erase)
92 # | | | +-------------- CKOPT (full output swing)
93 # | | +---------------- SPIEN (allow serial programming)
94 # | +------------------ WDTON (WDT not always on)
95 # +-------------------- RSTDISBL (reset pin is enabled)
96 # Fuse atmega8 low byte LFUSE:
97 # 0x9f = 1 0 0 1 1 1 1 1
99 # | | | +------- CKSEL 3..0 (external >8M crystal)
100 # | | +--------------- SUT 1..0 (crystal osc, BOD enabled)
101 # | +------------------ BODEN (BrownOut Detector enabled)
102 # +-------------------- BODLEVEL (2.7V)
104 # Fuse atmega48 high byte hfuse:
105 # 0xdf = 1 1 0 1 1 1 1 1 factory setting
107 # | | | | | +------ BODLEVEL (Brown out disabled)
108 # | | | | + --------- EESAVE (don't preserve EEPROM over chip erase)
109 # | | | +-------------- WDTON (WDT not always on)
110 # | | +---------------- SPIEN (allow serial programming)
111 # | +------------------ DWEN (debug wire is disabled)
112 # +-------------------- RSTDISBL (reset pin is enabled)
113 # 0xdd = ext.reset, no DW, SPI, no watchdog, no save eeprom, BOD 2.7V
114 # Fuse atmega48 low byte lfuse:
115 # 0x62 = 0 1 1 0 0 0 1 0 factory setting
117 # | | | +------- CKSEL 3..0 (internal 8Mhz Oszillator)
118 # | | +--------------- SUT 1..0 (start-up time)
119 # | +------------------ CKOUT (no clock output)
120 # +-------------------- CKDIV8 (divide clock by 8)
121 # 0xdc = divide/1,no clock output,fast raising power,low Pw Oszil. 3..8 Mhz
122 # 0xe0 = divide/1,no clock output,fast raising power,external Oszil.
123 # 0xff = divide/1,no clock output,slow raising power,low Pw Oszil 8.. Mhz
126 SERIAL
= `echo /dev/tty.USA19QI*`
127 UISP
= uisp
-dprog
=$S -dserial
=$(SERIAL
) -dpart
=auto
128 # The two lines above are for "uisp" and the AVR910 serial programmer connected
129 # to a Keyspan USB to serial converter to a Mac running Mac OS X.
130 # Choose your favorite programmer and interface.
134 $(UISP
) --upload
--verify if
=main.hex