🔴 How To Update USBasp Firmware On MacOS To Fix AVRdude Warning - No.1262

How To Upload A HEX File On MacOS Using AVRdude

I show how to upload a precompiled binary HEX file on MacOS using the terminal and the Arduino IDE.

I managed to update the firmware on my Retro Chip Tester Pro on MacOS using this menthod.

I first had to update the firmware of my USBasp programmers, the process is exactly the same as for updating any other device with a HEX firmware file.

Example of the line grabbed from Arduino IDE console to get base information:
/Users/scott/Library/Arduino15/packages/arduino/tools/avrdude/6.3.0-arduino17/bin/avrdude -C/Users/scott/Library/Arduino15/packages/arduino/tools/avrdude/6.3.0-arduino17/etc/avrdude.conf -v -p atmega2560 -c usbasp -P usb -U flash:w:/var/folders/9x/yrvcl75n0ms1scnfk_0fx5g40000gn/T/arduino_build_751158/sketch_jun17a.ino.hex:i

Example of the line to update the firmware of USBasp devices:
/Users/scott/Library/Arduino15/packages/arduino/tools/avrdude/6.3.0-arduino17/bin/avrdude -C/Users/scott/Library/Arduino15/packages/arduino/tools/avrdude/6.3.0-arduino17/etc/avrdude.conf -v -p m8 -c usbasp -P usb -U flash:w:/Users/scott/Downloads/usbasp.2011-05-28/bin/firmware/usbasp.atmega8.2011-05-28.hex:i

Example of the line used to update th firmware of the ATMEGA2560 on the Retro Chip Tester Pro:
/Users/scott/Library/Arduino15/packages/arduino/tools/avrdude/6.3.0-arduino17/bin/avrdude -C/Users/scott/Library/Arduino15/packages/arduino/tools/avrdude/6.3.0-arduino17/etc/avrdude.conf -v -p atmega2560 -c usbasp -P usb -U flash:w:/Users/scott/Downloads/Retro\ Chip\ Tester\ Pro/upload_1.0_pro_v0.27_beta2/Chip-TesterPro-FW-v0.27.hex:i


Resources:
USBasp ISP AVR Programmers (get the adaptor version, and get TWO, you'll thank me): https://defs.link/?u=19272e2
Original Design and Firmware: https://www.fischl.de/usbasp/
AVRdude information: https://www.ladyada.net/learn/avr/avr...
AVRdude Fuse Calculator: https://www.engbedded.com/fusecalc/
More AVRdude information: https://www.nongnu.org/avrdude/user-m...
Retro Chip Tester Pro: https://8bit-museum.de/sonstiges/hard...



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