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readme: add clarification to notes

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Signed-off-by:  Eric Callahan <arksine.code@gmail.com>
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Eric Callahan 2022-04-15 08:05:20 -04:00
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@ -89,9 +89,14 @@ defaults to `~/klipper/out/klipper.bin`. The `uuid` must be specified unless
the user is running a query with `-q`.
## Notes
- If using a MCP2515 Can Device it is likely that packets will be dropped when
reading flash back from the node during the verification process. Reducing
SPI speed may help with this, in my testing the process could not complete
at 10MHz. If possible use a USB can device flashed with
[candlelight](https://github.com/candle-usb/candleLight_fw).
- It is recommended to USB CAN device flashed with
[candlelight](https://github.com/candle-usb/candleLight_fw), such as a
[Canable](https://canable.io/).
- If using a MCP2515 CAN Device (ie: Waveshare RS485 CAN HAT) it is possible
that packets will be dropped when reading flash back from the node during
the verification process. That said, I have successfully tested the 12 MHz
Crystal variant with the
[recommended settings](https://www.waveshare.com/wiki/RS485_CAN_HAT).
- If you have a STM32F103 device and the verification fails it is likely that
you selected the wrong `Flash Page Size`.