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This flash chip is used in Simmel.
Signed-off-by: Sean Cross <sean@xobs.io>
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Add external flash support for Macronix MX25L51245G 64MiB SPI flash.
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testing performed:
* successfully store and retrieve a 500kB file on the flash
* square wave output on each pin appears on o'scope
* board.SPI(), board.SERIAL(), board.I2C() all construct
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Currently, we only support external flash device W25Q80DL. This
adds support for the W25Q80DL.
tweak
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The GitHub Actions build for this PR is failing for reasons that make no sense. Make a tiny commit change to see if it will refresh things and work again.
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LumiDrive and Redboard Turbo
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We were writing with quad page program including the address (0x38)
which is unsupported by the GD25Q16C but it is supported by the
flash on the DK. So, we use the single address, quad data command
(0x32).
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This started while adding USB MIDI support (and descriptor support is
in this change.) When seeing that I'd have to implement the MIDI class
logic twice, once for atmel-samd and once for nrf, I decided to refactor
the USB stack so its shared across ports. This has led to a number of
changes that remove items from the ports folder and move them into
supervisor.
Furthermore, we had external SPI flash support for nrf pending so I
factored out the connection between the usb stack and the flash API as
well. This PR also includes the QSPI support for nRF.
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