You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
121 lines
4.3 KiB
C
121 lines
4.3 KiB
C
/*
|
|
ChibiOS - Copyright (C) 2006..2018 Giovanni Di Sirio
|
|
|
|
Licensed under the Apache License, Version 2.0 (the "License");
|
|
you may not use this file except in compliance with the License.
|
|
You may obtain a copy of the License at
|
|
|
|
http://www.apache.org/licenses/LICENSE-2.0
|
|
|
|
Unless required by applicable law or agreed to in writing, software
|
|
distributed under the License is distributed on an "AS IS" BASIS,
|
|
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
See the License for the specific language governing permissions and
|
|
limitations under the License.
|
|
*/
|
|
|
|
/**
|
|
* @file hal_spi_lld.h
|
|
* @brief PLATFORM SPI subsystem low level driver header.
|
|
*
|
|
* @addtogroup SPI
|
|
* @{
|
|
*/
|
|
|
|
#ifndef HAL_SPI_LLD_H
|
|
#define HAL_SPI_LLD_H
|
|
|
|
#if (HAL_USE_SPI == TRUE) || defined(__DOXYGEN__)
|
|
|
|
/*===========================================================================*/
|
|
/* Driver constants. */
|
|
/*===========================================================================*/
|
|
|
|
/**
|
|
* @brief Circular mode support flag.
|
|
*/
|
|
#define SPI_SUPPORTS_CIRCULAR TRUE
|
|
|
|
/*===========================================================================*/
|
|
/* Driver pre-compile time settings. */
|
|
/*===========================================================================*/
|
|
|
|
/**
|
|
* @name PLATFORM configuration options
|
|
* @{
|
|
*/
|
|
/**
|
|
* @brief SPI1 driver enable switch.
|
|
* @details If set to @p TRUE the support for SPI1 is included.
|
|
* @note The default is @p FALSE.
|
|
*/
|
|
#if !defined(PLATFORM_SPI_USE_SPI1) || defined(__DOXYGEN__)
|
|
#define PLATFORM_SPI_USE_SPI1 FALSE
|
|
#endif
|
|
/** @} */
|
|
|
|
/*===========================================================================*/
|
|
/* Derived constants and error checks. */
|
|
/*===========================================================================*/
|
|
|
|
/*===========================================================================*/
|
|
/* Driver data structures and types. */
|
|
/*===========================================================================*/
|
|
|
|
/*===========================================================================*/
|
|
/* Driver macros. */
|
|
/*===========================================================================*/
|
|
|
|
/**
|
|
* @brief Low level fields of the SPI driver structure.
|
|
*/
|
|
#define spi_lld_driver_fields \
|
|
/* Dummy field, it is not needed.*/ \
|
|
uint32_t dummy
|
|
|
|
/**
|
|
* @brief Low level fields of the SPI configuration structure.
|
|
*/
|
|
#define spi_lld_config_fields \
|
|
/* Dummy configuration, it is not needed.*/ \
|
|
uint32_t dummy
|
|
|
|
/*===========================================================================*/
|
|
/* External declarations. */
|
|
/*===========================================================================*/
|
|
|
|
#if (PLATFORM_SPI_USE_SPI1 == TRUE) && !defined(__DOXYGEN__)
|
|
extern SPIDriver SPID1;
|
|
#endif
|
|
|
|
#ifdef __cplusplus
|
|
extern "C" {
|
|
#endif
|
|
void spi_lld_init(void);
|
|
void spi_lld_start(SPIDriver *spip);
|
|
void spi_lld_stop(SPIDriver *spip);
|
|
#if (SPI_SELECT_MODE == SPI_SELECT_MODE_LLD) || defined(__DOXYGEN__)
|
|
void spi_lld_select(SPIDriver *spip);
|
|
void spi_lld_unselect(SPIDriver *spip);
|
|
#endif
|
|
void spi_lld_select(SPIDriver *spip);
|
|
void spi_lld_unselect(SPIDriver *spip);
|
|
void spi_lld_ignore(SPIDriver *spip, size_t n);
|
|
void spi_lld_exchange(SPIDriver *spip, size_t n,
|
|
const void *txbuf, void *rxbuf);
|
|
void spi_lld_send(SPIDriver *spip, size_t n, const void *txbuf);
|
|
void spi_lld_receive(SPIDriver *spip, size_t n, void *rxbuf);
|
|
#if (SPI_SUPPORTS_CIRCULAR == TRUE) || defined(__DOXYGEN__)
|
|
void spi_lld_abort(SPIDriver *spip);
|
|
#endif
|
|
uint16_t spi_lld_polled_exchange(SPIDriver *spip, uint16_t frame);
|
|
#ifdef __cplusplus
|
|
}
|
|
#endif
|
|
|
|
#endif /* HAL_USE_SPI == TRUE */
|
|
|
|
#endif /* HAL_SPI_LLD_H */
|
|
|
|
/** @} */
|