ryanolf

Fix issue #99 (try 2): De-assert SPI CS on last transmit

4

The root cause of #99 seems to be that the behavior of `spi_device_polling_transmit` and `spi_device_transmit` for zero-byte transmissions differs between ESP32 hardware versions and appears to be undefined. This pull...

Save optional extra device elements in device spec

1

This PR adds a the ability to save custom device properties to the `DeviceSpec` when the device is instantiated. This is helpful when one wants to to keep more information...