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avr_bootloader:burning_firmware [2014/07/23 16:20]
admin 		avr_bootloader:burning_firmware [2020/06/11 22:13] (current)
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-**Burning the Firmware on the USBasp ​Programer**+**Burning the Firmware on the USBasp ​Programmer**
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-**Set Fusebits** +With the command line tool [[http://​www.nongnu.org/​avrdude/​|AVRdude]] one can burn the firmware on the Atmega8 chip.\\ 
-  # TARGET=atmega8 ​   HFUSE=0xc9 ​ LFUSE=0xef +Download the firmware from: [[http://​www.fischl.de/​usbasp/​]]. And read the [[http://​www.fischl.de/​usbasp/​Readme.txt|Readme.txt]].\\
-  # TARGET=atmega48 ​  ​HFUSE=0xdd ​ LFUSE=0xff +
-  # TARGET=atmega88 ​  ​HFUSE=0xdd ​ LFUSE=0xff+
  
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-**Workaround ​for Atmega8**+**Workaround ​on Linux**
  
 1. Erase:\\ 1. Erase:\\
   $ sudo avrdude ​ -p atmega8 -c stk500v2 -P /​dev/​ttyACM0 -e   $ sudo avrdude ​ -p atmega8 -c stk500v2 -P /​dev/​ttyACM0 -e
 2. Set Fusebits\\ 2. Set Fusebits\\
-  $ sudo avrdude ​ -p atmega8 -c stk500v2 -P /​dev/​ttyACM0 -U HFUSE:w:0xc9:m +  $ sudo avrdude ​ -p atmega8 -c stk500v2 -P /​dev/​ttyACM0 -U HFUSE=0xc9 
-  $ sudo avrdude ​ -p atmega8 -c stk500v2 -P /​dev/​ttyACM0 -U hfuse:​w:​0xc9:​m+  $ sudo avrdude ​ -p atmega8 -c stk500v2 -P /​dev/​ttyACM0 -U LFUSE=0xef
 3. Burn the Hex File:\\ 3. Burn the Hex File:\\
   $ sudo avrdude ​ -p atmega8 -c stk500v2 -P /​dev/​ttyACM0 -b115200 -U flash:​w:​usbasp.atmega8.2011-05-28.hex:​i   $ sudo avrdude ​ -p atmega8 -c stk500v2 -P /​dev/​ttyACM0 -b115200 -U flash:​w:​usbasp.atmega8.2011-05-28.hex:​i
  
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-**Comands for the AVRdude** 
- 
-Options: 
- -p <​partno> ​               Required. Specify AVR device. 
- -b <​baudrate> ​             Override RS-232 baud rate. 
- -B <​bitclock> ​             Specify JTAG/​STK500v2 bit clock period (us). 
- -C <​config-file> ​          ​Specify location of configuration file. 
- -c <​programmer> ​           Specify programmer type. 
- ​-D ​                        ​Disable auto erase for flash memory 
- -i <​delay> ​                ISP Clock Delay [in microseconds] 
- -P <​port> ​                 Specify connection port. 
- ​-F ​                        ​Override invalid signature check. 
- ​-e ​                        ​Perform a chip erase. 
- ​-O ​                        ​Perform RC oscillator calibration (see AVR053). ​ 
- -U <​memtype>:​r|w|v:<​filename>​[:​format] 
-                             ​Memory operation specification. 
-                             ​Multiple -U options are allowed, each request 
-                             is performed in the order specified. 
- ​-n ​                        Do not write anything to the device. 
- ​-V ​                        Do not verify. 
- ​-u ​                        ​Disable safemode, default when running from a script. 
- ​-s ​                        ​Silent safemode operation, will not ask you if 
-                             fuses should be changed back. 
- ​-t ​                        Enter terminal mode. 
- -E <​exitspec>​[,<​exitspec>​] List programmer exit specifications. 
- -x <​extended_param> ​       Pass <​extended_param>​ to programmer. 
- ​-y ​                        Count # erase cycles in EEPROM. 
- -Y <​number> ​               Initialize erase cycle # in EEPROM. 
- ​-v ​                        ​Verbose output. -v -v for more. 
- ​-q ​                        Quell progress output. -q -q for less. 
- ​-? ​                        ​Display this usage.