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For LPC31xx MCUs, rename up_spiinitialize to lpc31_spibus_initialize

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This commit is contained in:
Gregory Nutt 2016-01-26 16:56:28 -06:00
parent aa2ae3f26a
commit cc68a24972
2 changed files with 26 additions and 9 deletions
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29
arch/arm/src/lpc31xx/lpc31.h
View file

@ -1,7 +1,7 @@
/************************************************************************************
* arch/arm/src/lpc31xx/lpc31.h
*
* Copyright (C) 2009-2011, 2013 Gregory Nutt. All rights reserved.
* Copyright (C) 2009-2011, 2013, 2016 Gregory Nutt. All rights reserved.
* Author: Gregory Nutt <gnutt@nuttx.org>
*
* Redistribution and use in source and binary forms, with or without
@ -170,6 +170,25 @@ void lpc31_lowsetup(void);
void lpc31_clockconfig(void);
/************************************************************************************
* Name: lpc31_spibus_initialize
*
* Description:
* Initialize the selected SPI port
*
* Input Parameter:
* Port number (for hardware that has mutiple SPI interfaces)
*
* Returned Value:
* Valid SPI device structure reference on succcess; a NULL on failure
*
************************************************************************************/
struct spi_dev_s; /* Forward reference */
enum spi_dev_e; /* Forward reference */
FAR struct spi_dev_s *lpc31_spibus_initialize(int port);
/************************************************************************************
* Name: lpc31_spiselect and lpc31_spistatus
*
@ -178,7 +197,7 @@ void lpc31_clockconfig(void);
* lpc31_spicmddata must be provided by board-specific logic. These are
* implementations of the select, status, and cmddata methods of the SPI interface
* defined by struct spi_ops_s (see include/nuttx/spi/spi.h). All other methods
* (including up_spiinitialize()) are provided by common LPC31XX logic. To use
* (including lpc31_spibus_initialize()) are provided by common LPC31XX logic. To use
* this common SPI logic on your board:
*
* 1. Provide logic in lpc31_boardinitialize() to configure SPI chip select
@ -190,17 +209,15 @@ void lpc31_clockconfig(void);
* the lpc31_spicmddata() function in your board-specific logic. This
* function will perform cmd/data selection operations using GPIOs in the
* way your board is configured.
* 4. Add a calls to up_spiinitialize() in your low level application
* 4. Add a calls to lpc31_spibus_initialize() in your low level application
* initialization logic
* 5. The handle returned by up_spiinitialize() may then be used to bind the
* 5. The handle returned by lpc31_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).
*
************************************************************************************/
struct spi_dev_s;
enum spi_dev_e;
void lpc31_spiselect(FAR struct spi_dev_s *dev, enum spi_dev_e devid, bool selected);
uint8_t lpc31_spistatus(FAR struct spi_dev_s *dev, enum spi_dev_e devid);
#ifdef CONFIG_SPI_CMDDATA

6
arch/arm/src/lpc31xx/lpc31_spi.c
View file

@ -1,7 +1,7 @@
/************************************************************************************
* arm/arm/src/lpc31xx/lpc31_spi.c
*
* Copyright (C) 2009-2010, 2012 Gregory Nutt. All rights reserved.
* Copyright (C) 2009-2010, 2012, 2016 Gregory Nutt. All rights reserved.
* Author: David Hewson, deriving in part from other SPI drivers originally by
* Gregory Nutt <gnutt@nuttx.org>
*
@ -892,7 +892,7 @@ static void spi_recvblock(FAR struct spi_dev_s *dev, FAR void *rxbuffer, size_t
************************************************************************************/
/************************************************************************************
* Name: up_spiinitialize
* Name: lpc31_spibus_initialize
*
* Description:
* Initialize the selected SPI port
@ -905,7 +905,7 @@ static void spi_recvblock(FAR struct spi_dev_s *dev, FAR void *rxbuffer, size_t
*
************************************************************************************/
FAR struct spi_dev_s *up_spiinitialize(int port)
FAR struct spi_dev_s *lpc31_spibus_initialize(int port)
{
FAR struct lpc31_spidev_s *priv = &g_spidev;