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Firmware_en.md

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Firmware

Flashing via Web Interface

  • download the latest .bin firmware from this repository

https://github.com/universam1/iSpindel/releases

  • in Maintenance menu select this file and press update

flash web

Flashing via USB (Windows)

Important: select the Download button to download the file correctly

  • Select the COM port for the Wemos
  • Use the Config tab to select the first .bin file
  • Clicking the Flashen tab shows a progress bar
  • After a successful Flash, press the RESET key

Config Mode is active while the LED is blinking at 1s intervals. It can be exited via the Link in the Portal or by waiting for the 5min timeout.

Flashing via USB (Linux)

  • download and unpack the latest version of esptool. Then change directory into the newly unpacked directory, using terminal commands such as:
    wget https://github.com/igrr/esptool-ck/releases/download/0.4.12/esptool-0.4.12-linux64.tar.gz
    tar xf esptool-0.4.12-linux64.tar.gz
    cd esptool-0.4.12-linux64

    wget https://github.com/universam1/iSpindel/releases/download/5.6.1/firmware.bin
  • determine the iSpindel's device path. This may be found by listing all serial USB devices before and after plugging in the iSpindel e.g. before iSpinndel is plugged in:
ls -l /dev/ttyUSB*
ls: cannot access '/dev/ttyUSB*': No such file or directory

now after iSpindel is plugged in:

ls -l /dev/ttyUSB*
crw-rw-rw- 1 root dialout 188, 0 Dec 11 23:20 /dev/ttyUSB0

showing that the iSpindel device name is /dev/ttyUSB0

  • upload the firmware by running the esptool command with the discovered iSpindel device name (/dev/ttyUSB0 in this case):

./esptool -vv -cd nodemcu -cb 921600 -cp /dev/ttyUSB0 -ca 0x00000 -cf ./firmware.bin