Enum pn532::esp32::spi_command

• Defined in File spi.hpp

Enum Documentation

enum class pn532::esp32::spi_command : std::uint8_t

SPI-specific prefixes (UM0701-02 §6.2.1). Further, we define an extra none command, which is used when a single logical receive operation is split into multiple operations, to determine the appropriate data buffer size.

Values:

enumerator data_write

Data is begin sent from the device to the PN532.

enumerator status_read

Polling status from the PN532.

enumerator data_read

Data is being read from the PN532.

enumerator none

An SPI command code has already been sent, send none and continue with the current command.