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SPI Slave: Add an unbind() method to the slave interface

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This commit is contained in:
Gregory Nutt 2015-08-08 12:18:05 -06:00
parent b9503c4dbc
commit f604c813ff
1 changed files with 22 additions and 1 deletions
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23
include/nuttx/spi/slave.h
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@ -62,7 +62,9 @@
*
* Description:
* Bind the SPI slave device interface to the SPI slave controller
* interface and configure the SPI interface. Upon return, the
* interface and configure the SPI interface. Upon return, the SPI
* slave controller driver is fully operational and ready to perform
* transfers.
*
* Input Parameters:
* sctrlr - SPI slave controller interface instance
@ -79,6 +81,24 @@
#define SPI_SCTRLR_BIND(c,d,m,n) ((c)->bind(c,d,m,n))
/****************************************************************************
* Name: SPI_SCTRLR_UNBIND
*
* Description:
* Un-bind the SPI slave device interface from the SPI slave controller
* interface. Reset the SPI interface and restore the SPI slave
* controller driver to its initial state,
*
* Input Parameters:
* sctrlr - SPI slave controller interface instance
*
* Returned Value:
* none
*
****************************************************************************/
#define SPI_SCTRLR_UNBIND(c) ((c)->unbind(c))
/****************************************************************************
* Name: SPI_SCTRLR_SET_CMD/SPI_SCTRLR_SET_DATA
*
@ -271,6 +291,7 @@ struct spi_slaveops_s
{
CODE void (*bind)(FAR struct spi_sctrlr_s *sctrlr,
FAR spi_sdev_s *sdev, enum spi_mode_e mode, int nbits);
CODE void (*unbind)(FAR struct spi_sctrlr_s *sctrlr);
CODE void (*set_cmd)(FAR struct spi_sctrlr_s *sctrlr, uint16_t cmd);
CODE void (*set_data)(FAR struct spi_sctrlr_s *sctrlr, uint16_t data);
};