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implement config writes #63

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opened 2020-07-17 09:34:10 +08:00 by sb10q · 4 comments
sb10q commented 2020-07-17 09:34:10 +08:00
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We are not using the NOR flash anymore but the SD card because:

  1. the Zynq NOR flash controller is a pain.
  2. NOR flash seems relatively uncommon on Zynq boards, many have a SD card only.

We have a new configuration format based on a FAT filesystem. Currently it is read-only in the runtime.

Also support replacing boot.bin so that firmware can be updated over the network.

We are not using the NOR flash anymore but the SD card because: 1. the Zynq NOR flash controller is a pain. 2. NOR flash seems relatively uncommon on Zynq boards, many have a SD card only. We have a new configuration format based on a FAT filesystem. Currently it is read-only in the runtime. Also support replacing boot.bin so that firmware can be updated over the network.
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sb10q commented 2020-07-17 09:35:04 +08:00
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Note: both our SD card driver and the FAT library we use already support writing.

Note: both our SD card driver and the FAT library we use already support writing.
sb10q commented 2020-07-17 09:37:08 +08:00
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We could keep using the custom protocol in artiq_coremgmt (better UX for common use cases, and consistent with the NOR flash devices), or implement a FTP server.

We could keep using the custom protocol in artiq_coremgmt (better UX for common use cases, and consistent with the NOR flash devices), or implement a FTP server.
sb10q commented 2020-07-27 12:52:56 +08:00
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Heuristic could be: if string is ASCII and 100 characters or less, then store in config.txt and remove /config/ file if it exists, otherwise store as file.

Heuristic could be: if string is ASCII and 100 characters or less, then store in ``config.txt`` and remove ``/config/`` file if it exists, otherwise store as file.
cw commented 2020-08-28 11:01:04 +08:00
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See #99

See https://git.m-labs.hk/M-Labs/artiq-zynq/pulls/99
sb10q closed this issue 2020-11-06 12:19:18 +08:00
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Reference: M-Labs/artiq-zynq#63
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