12/2/2023 0 Comments Serial cloner build construct![]() ![]() You’ll need version 100807, even though there are newer versions. Now modify the DFU and USB firmware makefiles to use LUFA and the STK500 programmer: I like to unzip it into $SRC/hardware/arduino/firmwares. Set the LUFA path and avrdude parameters as necessary for your setup. Update the UNOĪs a final test of your hardware setup, upload the pre-built firmware to the ATMEGA8U2. cd $SRC/hardware/arduino/firmwares/atmegaxxu2Īvrdude -p at90usb82 -F -P /dev/ttyS0 -c stk500v2 -U flash:w:UNO-dfu_and_usbserial_combined.hex -U lfuse:w:0xFF:m -U hfuse:w:0xD9:m -U efuse:w:0xF4:m -U lock:w:0x0F:m #Build a constrcuct serial cloner update This will write both the DFU bootloader and the USB serial code in one pass. To program the new firmware into the UNO, you have a few choices: Now build the firmware: cd $SRC/hardware/arduino/firmwares/atmegaxxu2/arduino-usbdfuĬd $SRC/hardware/arduino/firmwares/atmegaxxu2/arduino-usbserial Check that you can still upload sketches to the UNO using the Arduino IDE. Use ISP to write the DFU code (run “make program” in the arduino-usbdfu directory), then upload the USB code using dfu-programmer (see readme.txt in arduino-usbserial for instructions).Use ISP to write only the USB code (run “make program” in the arduino-usbserial dir).DFU programming will be disabled until the DFU code is re-flashed. Since fiddling around to put the UNO in DFU mode looks spastic, I prefer (2). To restore the DFU loader, use (1) or see README.txt in $SRC/hardware/arduino/firmwares/atmegaxxu2 for how to upload UNO-dfu_and_usbserial_combined.hex. There is a forum post which describes how to write both the DFU and USB code using ISP, but I was not able to make it work.There are genuinely too many features in Construct to reasonably list here. #Build a constrcuct serial cloner update. ![]() #Build a constrcuct serial cloner install.#Build a constrcuct serial cloner how to. ![]()
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