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For M9S12 MCUs, rename up_spiinitialize to hcs12_spibus_initialize

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This commit is contained in:
Gregory Nutt 2016-01-27 09:10:36 -06:00
parent 215dfe778b
commit a0ce222318
1 changed files with 22 additions and 3 deletions
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25
arch/hc/src/m9s12/m9s12.h
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@ -323,6 +323,25 @@ int hcs12_dumpgpio(uint16_t pinset, const char *msg);
int hcs12_ethinitialize(int intf);
#endif
struct spi_dev_s; /* Forward reference */
enum spi_dev_e; /* Forward reference */
/****************************************************************************
* Name: hcs12_spibus_initialize
*
* Description:
* Initialize the selected SPI port
*
* Input Parameter:
* Port number (for hardware that has multiple SPI interfaces)
*
* Returned Value:
* Valid SPI device structure reference on success; a NULL on failure
*
****************************************************************************/
FAR struct spi_dev_s *hcs12_spibus_initialize(int port);
/************************************************************************************
* Name: hcs12_spiselect and hcs12_spistatus
*
@ -330,7 +349,7 @@ int hcs12_ethinitialize(int intf);
* The external functions, hcs12_spiselect and hcs12_spistatus must be
* provided by board-specific logic. They are implementations of the select
* and status methods of the SPI interface defined by struct spi_ops_s (see
* include/nuttx/spi/spi.h). All other methods (including up_spiinitialize())
* include/nuttx/spi/spi.h). All other methods (including mps12_spibus_initialize())
* are provided by common STM32 logic. To use this common SPI logic on your
* board:
*
@ -339,9 +358,9 @@ int hcs12_ethinitialize(int intf);
* 2. Provide hcs12_spiselect() and hcs12_spistatus() functions in your
* board-specific logic. These functions will perform chip selection and
* status operations using GPIOs in the way your board is configured.
* 3. Add a calls to up_spiinitialize() in your low level application
* 3. Add a calls to mps12_spibus_initialize() in your low level application
* initialization logic
* 4. The handle returned by up_spiinitialize() may then be used to bind the
* 4. The handle returned by mps12_spibus_initialize() may then be used to bind the
* SPI driver to higher level logic (e.g., calling
* mmcsd_spislotinitialize(), for example, will bind the SPI driver to
* the SPI MMC/SD driver).