other versions
- wheezy 3.2.78-1
SPI_W8R16(9) | Serial Peripheral Interface (S | SPI_W8R16(9) |
NAME¶
spi_w8r16 - SPI synchronous 8 bit write followed by 16 bit readSYNOPSIS¶
ssize_t
spi_w8r16(struct spi_device * spi,
u8 cmd);
ARGUMENTS¶
spidevice with which data will be exchanged
cmd
command to be written before data is read
back
CONTEXT¶
can sleepDESCRIPTION¶
This returns the (unsigned) sixteen bit number returned by the device, or else a negative error code. Callable only from contexts that can sleep. The number is returned in wire-order, which is at least sometimes big-endian.COPYRIGHT¶
March 2016 | Kernel Hackers Manual 3.2. |