spi_read

Langue: en

Autres versions - même langue

Version: June 2009 (debian - 07/07/09)

Section: 9 (Appels noyau Linux)

Sommaire

NAME

spi_read - SPI synchronous read

SYNOPSIS

int spi_read(struct spi_device * spi, u8 * buf, size_t len);

ARGUMENTS

spi

device from which data will be read

buf

data buffer

len

data buffer size

CONTEXT

can sleep

DESCRIPTION

This reads the buffer and returns zero or a negative error code. Callable only from contexts that can sleep.