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| acathla | How complicated you think it would be to do a foboot but with an UART instead of USB? I'm looking at the code now... xobs? | 16:15 |
|---|---|---|
| xobs | You mean have it go via a USB-CDC-ACM pipe instead of a DFU pipe? | 16:16 |
| acathla | xobs, via an UART (probably plugged to a USB-to-UART chip) | 16:18 |
| acathla | but no USB on the FPGA | 16:18 |
| acathla | If I google DFU UART I have lots of result from nRF | 16:19 |
| xobs | It sounds like you want to create a new bootloader that goes via UART. There are lots of examples like that, and it's a relatively common approach. You create your opcodes, then do something like XMODEM to actually transfer the data. | 16:20 |
| acathla | Ok, thank you. | 16:21 |
| xobs | I know litex has a similar command line built-in that lets you download a program, but perhaps that's too heavy for the target FPGA. | 16:21 |
| xobs | I know with Fomu, we didn't have enough space for the full Litex BIOS. | 16:21 |
| acathla | same target FPGA... | 16:21 |
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