| 17,23 → 17,18 |
|---|
| # Define target dependent constants |
| # --------------------------------- |
| |
| ifeq ($(TARGET), atmega88) |
| HFUSE=0xc9 |
| LFUSE=0xef |
| endif |
| |
| ifeq ($(TARGET), atmega8) |
| HFUSE=0xc9 |
| LFUSE=0xef |
| HFUSE=0xC9 |
| LFUSE=0x9F |
| endif |
| |
| ifeq ($(TARGET), atmega8) |
| HFUSE=0xdd |
| LFUSE=0xff |
| ifeq ($(TARGET), atmega88) |
| EFUSE=0xF9 |
| HFUSE=0xDE |
| LFUSE=0xD7 |
| endif |
| |
| |
| |
| # ISP=bsd PORT=/dev/parport0 |
| # ISP=ponyser PORT=/dev/ttyS1 |
| # ISP=stk500 PORT=/dev/ttyS1 |
| 112,8 → 107,11 |
|---|
| avrdude: |
| avrdude -c ${ISP} -p ${TARGET} -P ${PORT} -v |
| |
| # Fuse atmega8 |
| # ------------ |
| # Fuse atmega8 high byte HFUSE: |
| # 0xc9 = 1 1 0 0 1 0 0 1 <-- BOOTRST (boot reset vector at 0x0000) |
| # 0xD9 = 1 1 0 1 1 0 0 1 = Factory Default Value |
| # 0xC9 = 1 1 0 0 1 0 0 1 <-- BOOTRST (boot reset vector at 0x0000) |
| # ^ ^ ^ ^ ^ ^ ^------ BOOTSZ0 |
| # | | | | | +-------- BOOTSZ1 |
| # | | | | + --------- EESAVE (don't preserve EEPROM over chip erase) |
| 122,7 → 120,8 |
|---|
| # | +------------------ WDTON (WDT not always on) |
| # +-------------------- RSTDISBL (reset pin is enabled) |
| # Fuse atmega8 low byte LFUSE: |
| # 0x9f = 1 0 0 1 1 1 1 1 |
| # 0xE1 = 1 1 1 0 0 0 0 1 = Factory Default Value |
| # 0x9F = 1 0 0 1 1 1 1 1 |
| # ^ ^ \ / \--+--/ |
| # | | | +------- CKSEL 3..0 (external >8M crystal) |
| # | | +--------------- SUT 1..0 (crystal osc, BOD enabled) |
| 129,28 → 128,34 |
|---|
| # | +------------------ BODEN (BrownOut Detector enabled) |
| # +-------------------- BODLEVEL (2.7V) |
| # |
| # Fuse atmega48 high byte hfuse: |
| # 0xdf = 1 1 0 1 1 1 1 1 factory setting |
| # Fuse atmega88 |
| # ------------- |
| # Fuse atmega88 extended byte: |
| # 0xF9 = 1 1 1 1 1 0 0 1 = Factory Default Value (default value is used) |
| # 0xF9 = 1 1 1 1 1 0 0 1 <-- BOOTRST (select vetor) |
| # \+/ |
| # +----- BOOTSZ1..0 (Select Boot Size) |
| # Fuse high byte: |
| # 0xDF 1 1 0 1 1 1 1 1 = Factory Default Value (default value may be used) |
| # 0xDE = 1 1 0 1 1 1 1 0 |
| # ^ ^ ^ ^ ^ \-+-/ |
| # | | | | | +------ BODLEVEL (Brown out disabled) |
| # | | | | + --------- EESAVE (don't preserve EEPROM over chip erase) |
| # | | | | | +------ BODLEVEL (1.7-2.0V) |
| # | | | | +---------- 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 |
| # | | +---------------- SPIEN (allow serial programming)!!! |
| # | +------------------ DWEN (debug wire not enabled) |
| # +-------------------- RSTDISBL (reset pin is not disabled) |
| # Fuse low byte: |
| # 0x62 0 1 1 0 0 0 1 0 = Factory Default Value (must be programmed to use xosc) |
| # 0xD7 = 1 1 0 1 0 1 1 1 |
| # ^ ^ \ / \--+--/ |
| # | | | +------- 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 |
| # | | | +------- CKSEL 3..0 (full swing xosc, BOD enabled) |
| # | | +--------------- SUT 1..0 (startup timer - see CKSEL) |
| # | +------------------ CKOUT (clock output is not enabled) |
| # +-------------------- CLKDIV8 (clock divider is not enabled) |
| |
| |
| |
| 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 |