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Add instructions for updating the FW in the programmer

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Joachim Strömbergson 2022-09-21 14:30:16 +02:00
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doc/toolchain_setup.md
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@ -81,9 +81,24 @@ The circuit board designs were all created in [KiCad
These tools are needed to build the programmer firmware for the These tools are needed to build the programmer firmware for the
mta1-usb-v1-programmer mta1-usb-v1-programmer
TODO #### FW update of the programmer
The programmer runs a FW needed to program the devices, the source code
is available on Githun:
* source code: https://github.com/Blinkinlabs/ice40_flasher https://github.com/Blinkinlabs/ice40_flasher
There is also a pre built FW binary for the programmer:
https://github.com/Blinkinlabs/ice40_flasher/tree/main/bin
Download the file programmer FW file "main.uf2" to your host computer.
To program do the following.
1. Press the "BOOTSEL" button on the RPi2040 board while connecting the board to the host
2. Release the button after cvonnecting the board to the host. The board will now appear to the host as a USB connected storage device
3. Open the storage device and drop the FW file ("main.uf2") into the storage device
The programmer will update its FW with the file and restart itself.
### mta1-usb-v1: ch552 USB to Serial firmware ### mta1-usb-v1: ch552 USB to Serial firmware