mirror of
https://github.com/bluekitchen/btstack.git
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133 lines
3.6 KiB
C
133 lines
3.6 KiB
C
/*
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* Copyright (C) 2017 BlueKitchen GmbH
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of the copyright holders nor the names of
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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* 4. Any redistribution, use, or modification is done solely for
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* personal benefit and not for any commercial purpose or for
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* monetary gain.
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*
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* THIS SOFTWARE IS PROVIDED BY BLUEKITCHEN GMBH AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL MATTHIAS
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* RINGWALD OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
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* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
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* THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* Please inquire about commercial licensing options at
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* contact@bluekitchen-gmbh.com
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*
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*/
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/*
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* btstack_em9304_spi.h
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*
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* BTstack's Hardware Abstraction Layer for EM9304 connected via SPI with additional RDY Interrupt line
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*/
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#ifndef BTSTACK_EM9304_SPI_H
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#define BTSTACK_EM9304_SPI_H
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#include <stdint.h>
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#if defined __cplusplus
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extern "C" {
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#endif
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/* API_START */
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#include <stdint.h>
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typedef struct {
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/* API_START */
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/**
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* @brief Open SPI
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*/
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int (*open)(void);
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/**
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* @brief Close SPI
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*/
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int (*close)(void);
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/**
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* @brief Check if full duplex operation via transceive is supported
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* @return 1 if supported
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*/
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int (*get_fullduplex_support)(void);
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/**
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* @brief Set callback for RDY
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* @param callback or NULL to disable callback
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*/
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void (*set_ready_callback)(void (*callback)(void));
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/**
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* @brief Set callback for transfer complete
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* @param callback
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*/
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void (*set_transfer_done_callback)(void (*callback)(void));
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/**
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* @brief Set Chip Selet
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* @param enable
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*/
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void (*set_chip_select)(int enable);
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/**
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* @brief Poll READY state
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*/
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int (*get_ready)(void);
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/**
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* @brief Transmit and Receive bytes via SPI
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* @param tx_data buffer to transmit
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* @param rx_data buffer to receive into
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* @param len
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*/
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void (*transceive)(const uint8_t * tx_data, uint8_t * rx_data, uint16_t len);
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/**
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* @brief Transmit bytes via SPI
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* @param tx_data buffer to transmit
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* @param len
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*/
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void (*transmit)(const uint8_t * tx_data, uint16_t len);
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/**
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* @brief Receive bytes via SPI
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* @param rx_data buffer to receive into
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* @param len
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*/
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void (*receive)(uint8_t * rx_data, uint16_t len);
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} btstack_em9304_spi_t;
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/**
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*
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*/
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const btstack_em9304_spi_t * btstack_em9304_spi_embedded_instance(void);
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#if defined __cplusplus
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}
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#endif
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#endif // BTSTACK_EM9304_SPI_H
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