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import ChibiOS 2.0.8

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This commit is contained in:
NIIBE Yutaka
2010-11-30 13:54:43 +09:00
parent 27543cfeca
commit c560d0ad0c
1982 changed files with 5318 additions and 4046 deletions
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112
ChibiOS_2.0.8/os/hal/include/spi.h Normal file
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/*
ChibiOS/RT - Copyright (C) 2006,2007,2008,2009,2010 Giovanni Di Sirio.
This file is part of ChibiOS/RT.
ChibiOS/RT is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
ChibiOS/RT is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
---
A special exception to the GPL can be applied should you wish to distribute
a combined work that includes ChibiOS/RT, without being obliged to provide
the source code for any proprietary components. See the file exception.txt
for full details of how and when the exception can be applied.
*/
/**
* @file spi.h
* @brief SPI Driver macros and structures.
*
* @addtogroup SPI
* @{
*/
#ifndef _SPI_H_
#define _SPI_H_
#if CH_HAL_USE_SPI || defined(__DOXYGEN__)
/*===========================================================================*/
/* Driver constants. */
/*===========================================================================*/
/*===========================================================================*/
/* Driver pre-compile time settings. */
/*===========================================================================*/
/**
* @brief Enables the mutual exclusion APIs on the SPI bus.
*/
#if !defined(SPI_USE_MUTUAL_EXCLUSION) || defined(__DOXYGEN__)
#define SPI_USE_MUTUAL_EXCLUSION TRUE
#endif
/*===========================================================================*/
/* Derived constants and error checks. */
/*===========================================================================*/
#if SPI_USE_MUTUAL_EXCLUSION && !CH_USE_MUTEXES && !CH_USE_SEMAPHORES
#error "SPI_USE_MUTUAL_EXCLUSION requires CH_USE_MUTEXES and/or CH_USE_SEMAPHORES"
#endif
/*===========================================================================*/
/* Driver data structures and types. */
/*===========================================================================*/
/**
* @brief Driver state machine possible states.
*/
typedef enum {
SPI_UNINIT = 0, /**< @brief Not initialized. */
SPI_STOP = 1, /**< @brief Stopped. */
SPI_READY = 2, /**< @brief Ready. */
SPI_ACTIVE = 3 /**< @brief Slave selected. */
} spistate_t;
#include "spi_lld.h"
/*===========================================================================*/
/* Driver macros. */
/*===========================================================================*/
/*===========================================================================*/
/* External declarations. */
/*===========================================================================*/
#ifdef __cplusplus
extern "C" {
#endif
void spiInit(void);
void spiObjectInit(SPIDriver *spip);
void spiStart(SPIDriver *spip, const SPIConfig *config);
void spiStop(SPIDriver *spip);
void spiSelect(SPIDriver *spip);
void spiUnselect(SPIDriver *spip);
void spiIgnore(SPIDriver *spip, size_t n);
void spiExchange(SPIDriver *spip, size_t n, const void *txbuf, void *rxbuf);
void spiSend(SPIDriver *spip, size_t n, const void *txbuf);
void spiReceive(SPIDriver *spip, size_t n, void *rxbuf);
#if SPI_USE_MUTUAL_EXCLUSION
void spiAcquireBus(SPIDriver *spip);
void spiReleaseBus(SPIDriver *spip);
#endif /* SPI_USE_MUTUAL_EXCLUSION */
#ifdef __cplusplus
}
#endif
#endif /* CH_HAL_USE_SPI */
#endif /* _SPI_H_ */
/** @} */