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Update 'src/hw/urukul.md'

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mwojcik 2023-05-25 15:56:03 +08:00 committed by Gitea
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@ -57,19 +57,21 @@ Press ENTER when done.
## Common problems ## Common problems
### Urukul AD9912 product id mismatch ### Urukul AD9912 product id mismatch or missing LEDs
```pycon ```pycon
ValueError: Urukul AD9912 product id mismatch ValueError: Urukul AD9912 product id mismatch
``` ```
Some Urukuls may fail with this error during testing, usually meaning that the Urukul has not been flashed with the Some Urukuls may fail with this error during testing, usually meaning that the Urukul has not been flashed with the
firmware, especially if the ID is `65535` (you will need to edit the code to check this). firmware, especially if the ID is `65535` (you will need to edit the code to check this).
Another common symptom of no firmware is that no LEDs are lit up, besides Power Good - whereas if the firmware has been flashed, the RF channels will be lit red.
You can flash the firmware yourself with a JTAG adapter: You can flash the firmware yourself with a JTAG adapter:
1. Download the latest binary release from [quartiq/urukul](https://github.com/quartiq/urukul) and extract the `urukul.jed` file. 1. Download the latest binary release from [quartiq/urukul](https://github.com/quartiq/urukul) and extract the `urukul.jed` file.
2. Connect the Urukul with the JTAG adapter to the PC and connect its EEM0 to any available Kasli/Kasli-SoC (do not hot-plug), then turn on the Kasli/Kasli-SoC. 2. Connect the Urukul with the JTAG adapter to the PC and connect its EEM0 to any available Kasli/Kasli-SoC (**do not hot-plug**), then power on the Kasli/Kasli-SoC.
3. Run `nix-shell -p xc3sprog`. 3. Run `nix-shell -p xc3sprog`.
4. Run `xc3sprog -c jtaghs2 urukul.jed -m /opt/Xilinx/Vivado/<available version>/data/xicom/cable_data/digilent/lnx64/xbr/`. 4. Run `xc3sprog -c jtaghs2 urukul.jed -m /opt/Xilinx/Vivado/<available version>/data/xicom/cable_data/digilent/lnx64/xbr/`.
5. If the last command outputs Verify: Success, then your Urukul is ready. It can also output the message 5. If the last command outputs Verify: Success, then your Urukul is ready. It can also output the message