100 lines
3.3 KiB
C
100 lines
3.3 KiB
C
/******************************************************************************
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* The MIT License
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*
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* Copyright (c) 2011, 2012 LeafLabs, LLC.
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* Copyright (c) 2010 Perry Hung.
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*
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* Permission is hereby granted, free of charge, to any person
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* obtaining a copy of this software and associated documentation
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* files (the "Software"), to deal in the Software without
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* restriction, including without limitation the rights to use, copy,
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* modify, merge, publish, distribute, sublicense, and/or sell copies
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* of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be
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* included in all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
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* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
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* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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*****************************************************************************/
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/**
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* @file libmaple/stm32f1/include/series/spi.h
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* @author Marti Bolivar <mbolivar@leaflabs.com>
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* @brief STM32F1 SPI/I2S series header.
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*/
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#ifndef _LIBMAPLE_STM32F1_SPI_H_
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#define _LIBMAPLE_STM32F1_SPI_H_
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#include <libmaple/libmaple_types.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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/*
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* Register map base pointers
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*/
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struct spi_reg_map;
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#define SPI1_BASE ((struct spi_reg_map*)0x40013000)
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#define SPI2_BASE ((struct spi_reg_map*)0x40003800)
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#define SPI3_BASE ((struct spi_reg_map*)0x40003C00)
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/*
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* Device pointers
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*/
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struct spi_dev;
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extern struct spi_dev *SPI1;
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extern struct spi_dev *SPI2;
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#if defined(STM32_HIGH_DENSITY) || defined(STM32_XL_DENSITY)
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extern struct spi_dev *SPI3;
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#endif
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/*
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* Routines
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*/
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/* spi_gpio_cfg(): Backwards compatibility shim to spi_config_gpios() */
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struct gpio_dev;
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extern void spi_config_gpios(struct spi_dev*, uint8,
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struct gpio_dev*, uint8,
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struct gpio_dev*, uint8, uint8, uint8);
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/**
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* @brief Deprecated. Use spi_config_gpios() instead.
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* @see spi_config_gpios()
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*/
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static __always_inline void spi_gpio_cfg(uint8 as_master,
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struct gpio_dev *nss_dev,
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uint8 nss_bit,
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struct gpio_dev *comm_dev,
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uint8 sck_bit,
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uint8 miso_bit,
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uint8 mosi_bit) {
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/* We switched style globally to foo_config_gpios() and always
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* taking a foo_dev* argument (that last bit is the important
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* part) after this function was written.
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*
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* However, spi_config_gpios() just ignores the spi_dev* on F1, so
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* we can still keep this around for older code. */
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spi_config_gpios(NULL, as_master, nss_dev, nss_bit,
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comm_dev, sck_bit, miso_bit, mosi_bit);
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}
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#ifdef __cplusplus
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}
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#endif
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#endif
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