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Add hooks for SD media change callbacks

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git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@4267 42af7a65-404d-4744-a932-0658087f49c3
This commit is contained in:
patacongo 2012-01-06 01:58:03 +00:00
parent e7ae67e64b
commit 1a73aaa668
3 changed files with 17 additions and 6 deletions
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2
arch/arm/src/lpc17xx/lpc17_internal.h
View File

@ -655,6 +655,7 @@ EXTERN void ssp_flush(FAR struct spi_dev_s *dev);
*
****************************************************************************/
#ifdef CONFIG_SPI_CALLBACK
#ifdef CONFIG_LPC17_SPI
EXTERN int lpc17_spiregister(FAR struct spi_dev_s *dev,
spi_mediachange_t callback, void *arg);
@ -669,6 +670,7 @@ EXTERN int lpc17_ssp0register(FAR struct spi_dev_s *dev,
EXTERN int lpc17_ssp1register(FAR struct spi_dev_s *dev,
spi_mediachange_t callback, void *arg);
#endif
#endif
/****************************************************************************
* Name: lpc17_dmainitialize

9
arch/arm/src/lpc17xx/lpc17_spi.c
View File

@ -1,7 +1,7 @@
/****************************************************************************
* arch/arm/src/lpc17xx/lpc17_spi.c
*
* Copyright (C) 2010 Gregory Nutt. All rights reserved.
* Copyright (C) 2010, 2012 Gregory Nutt. All rights reserved.
* Author: Gregory Nutt <spudmonkey@racsa.co.cr>
*
* Redistribution and use in source and binary forms, with or without
@ -104,6 +104,8 @@
* Private Types
****************************************************************************/
/* This structure descibes the state of the SSP driver */
struct lpc17_spidev_s
{
struct spi_dev_s spidev; /* Externally visible part of the SPI interface */
@ -153,7 +155,11 @@ static const struct spi_ops_s g_spiops =
.send = spi_send,
.sndblock = spi_sndblock,
.recvblock = spi_recvblock,
#ifdef CONFIG_SPI_CALLBACK
.registercallback = lpc17_spiregister, /* Provided externally */
#else
.registercallback = 0, /* Not implemented */
#endif
};
static struct lpc17_spidev_s g_spidev =
@ -597,5 +603,6 @@ FAR struct spi_dev_s *up_spiinitialize(int port)
#endif
return &priv->spidev;
}
#endif /* CONFIG_LPC17_SPI */

12
arch/arm/src/lpc17xx/lpc17_ssp.c
View File

@ -1,7 +1,7 @@
/****************************************************************************
* arch/arm/src/lpc17xx/lpc17_ssp.c
*
* Copyright (C) 2010-2011 Gregory Nutt. All rights reserved.
* Copyright (C) 2010-2012 Gregory Nutt. All rights reserved.
* Author: Gregory Nutt <gnutt@nuttx.org>
*
* Redistribution and use in source and binary forms, with or without
@ -108,6 +108,8 @@
* Private Types
****************************************************************************/
/* This structure descibes the state of the SSP driver */
struct lpc17_sspdev_s
{
struct spi_dev_s spidev; /* Externally visible part of the SPI interface */
@ -235,7 +237,7 @@ static struct lpc17_sspdev_s g_ssp1dev =
* Private Functions
****************************************************************************/
/************************************************************************************
/****************************************************************************
* Name: ssp_getreg
*
* Description:
@ -248,14 +250,14 @@ static struct lpc17_sspdev_s g_ssp1dev =
* Returned Value:
* The contents of the 32-bit register
*
************************************************************************************/
****************************************************************************/
static inline uint32_t ssp_getreg(FAR struct lpc17_sspdev_s *priv, uint8_t offset)
{
return getreg32(priv->sspbase + (uint32_t)offset);
}
/************************************************************************************
/****************************************************************************
* Name: ssp_putreg
*
* Description:
@ -269,7 +271,7 @@ static inline uint32_t ssp_getreg(FAR struct lpc17_sspdev_s *priv, uint8_t offse
* Returned Value:
* None
*
************************************************************************************/
***************************************************************************/
static inline void ssp_putreg(FAR struct lpc17_sspdev_s *priv, uint8_t offset, uint32_t value)
{