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/******************************************************************************
* The MIT License
*
* Copyright (c) 2012 LeafLabs, LLC.
*
* Permission is hereby granted, free of charge, to any person
* obtaining a copy of this software and associated documentation
* files (the "Software"), to deal in the Software without
* restriction, including without limitation the rights to use, copy,
* modify, merge, publish, distribute, sublicense, and/or sell copies
* of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*****************************************************************************/
/**
* @file libmaple/stm32f2-f4/include/series/spi.h
* @author Marti Bolivar <mbolivar@leaflabs.com>
* @brief STM32F2-F4 SPI/I2S series header.
*/
#ifndef _LIBMAPLE_STM32F2F4_SPI_H_
#define _LIBMAPLE_STM32F2F4_SPI_H_
#include <libmaple/gpio.h> /* for gpio_af */
#ifdef __cplusplus
extern "C" {
#endif
/*
* Register map base pointers
*/
struct spi_reg_map;
#define SPI1_BASE ((struct spi_reg_map*)0x40013000)
#define SPI2_BASE ((struct spi_reg_map*)0x40003800)
#define SPI3_BASE ((struct spi_reg_map*)0x40003C00)
/*
* Register bit definitions
*/
/* Control register 2 */
#define SPI_CR2_FRF_BIT 4
#define SPI_CR2_FRF (1U << SPI_CR2_FRF_BIT)
/* Status register */
#define SPI_SR_TIFRFE_BIT 8
#define SPI_SR_TIFRFE (1U << SPI_SR_TIFRFE_BIT)
/*
* Device pointers
*/
struct spi_dev;
extern struct spi_dev *SPI1;
extern struct spi_dev *SPI2;
extern struct spi_dev *SPI3;
/*
* Routines
*/
gpio_af spi_get_af(struct spi_dev *dev);
#ifdef __cplusplus
}
#endif
#endif
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