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path: root/ports/atmel-samd/common-hal/busio/SPI.h
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2019-07-19Add support for grayscale displays that are < 8 bit depth.Scott Shawcroft
This also improves Palette so it stores the original RGB888 colors. Lastly, it adds I2CDisplay as a display bus to talk over I2C. Particularly useful for the SSD1306. Fixes #1828. Fixes #1956
2018-11-08Move atmel-samd to tinyusb and support nRF flash.Scott Shawcroft
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.
2017-11-16non-DMA SPI working; adding this now for testing; will continue with DMADan Halbert
Also, fixed pin mappings for rev B Metro M4: swap PA12 and PA13 on SPI 2x3 header swap A3 and A5 Comment out all frozen modules in CPX again to make room while waiting for SPI flash.
2017-10-24Merge commit 'f869d6b2e339c04469c6c9ea3fb2fabd7bbb2d8c' into nrf2_mergeScott Shawcroft
This is prep for merging in the NRF5 pull request.