[−][src]Crate drogue_grove_uart_spi
SPI over UART
The UARTSPI
struct implements an SPI interface on top of a UART
, using the protocol
used by Grove.
Also see: https://github.com/Seeed-Studio/Grove_LoRa_433MHz_and_915MHz_RF/blob/master/examples/Grove_LoRa_firmware/Grove_LoRa_firmware.ino
Protocol
When writing, this is:
| 'W' | <reg> | <len> | <data>... |
There is no response after a write request has been processed.
When reading, it is:
| 'R' | <reg> | <len> |
This will follow
Structs
NoOpPin | A no-op pin, which does nothing. |
UARTSPI | SPI over UART |