3.9.30. spi - write/read from SPI device

3.9.30.1. Usage

spi [-brcmfwv] DATA...

3.9.30.2. Options

-b BUS SPI bus number (default 0)
-r COUNT bytes to read
-c chip select (default 0)
-m MODE SPI mode (default 0)
-f HZ max speed frequency, in Hz (default 1 MHz)
-w BIT bits per word (default 8)
-v verbose