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spi.h
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spi.h
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/*
* spi.h
*
* Created on: May 9, 2015
* Author: Dustin
*
* Copyright (c) 2015, Dustin Reynolds
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* * Redistributions of source code must retain the above copyright notice, this
* list of conditions and the following disclaimer.
*
* * Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* * Neither the name of [project] nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef SPI_H_
#define SPI_H_
#define SPI_MAX_NUM_DEVICES 3
#define SPI_FLASH 0
#define SPI_RFM69_1 1
#define SPI_RFM69_2 2
#define SPI2_BUFFER_SIZE 260
typedef struct{
SPI_TypeDef* SPIx;
GPIO_TypeDef * cs_port;
uint16_t cs_pin;
} SPI_Device_t;
void spi_SPI2_Configuration(void);
void spi_SPI3_Configuration(void);
uint8_t spi_send(SPI_TypeDef* SPIx,uint8_t data);
uint8_t __inline__ spi_send_buffer(uint32_t size);
uint8_t __inline__ spi_send_dummy_buffer(uint32_t size);
uint8_t spi_write_register_cs(uint8_t num, uint8_t reg_cmd, uint8_t reg_op);
uint8_t spi_read_register_cs(uint8_t num, uint8_t reg_cmd);
#endif /* SPI_H_ */