WMPRO, WMMINI FW >= 1.0 WMMEGA FW >= 2.0
Read a byte from the SPI bus
None
An integer byte value read from the SPI bus (0-255)
spi_clearcs() - Clear the CS output of the SPI bus
spi_setcs() - Set the CS output of the SPI bus
spi_write() - Write a byte to the SPI bus