HackRF-Treasure-Chest/Software/portapack-mayhem/hackrf/firmware/common/spi_bus.h

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2022-09-22 18:26:57 +02:00
/*
* Copyright (C) 2014 Jared Boone, ShareBrained Technology, Inc.
*
* This file is part of HackRF.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2, or (at your option)
* any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; see the file COPYING. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street,
* Boston, MA 02110-1301, USA.
*/
#ifndef __SPI_BUS_H__
#define __SPI_BUS_H__
#include <stddef.h>
typedef struct {
void* const data;
const size_t count;
} spi_transfer_t;
struct spi_bus_t;
typedef struct spi_bus_t spi_bus_t;
struct spi_bus_t {
void* const obj;
const void* config;
void (*start)(spi_bus_t* const bus, const void* const config);
void (*stop)(spi_bus_t* const bus);
void (*transfer)(spi_bus_t* const bus, void* const data, const size_t count);
void (*transfer_gather)(spi_bus_t* const bus, const spi_transfer_t* const transfers, const size_t count);
};
void spi_bus_start(spi_bus_t* const bus, const void* const config);
void spi_bus_stop(spi_bus_t* const bus);
void spi_bus_transfer(spi_bus_t* const bus, void* const data, const size_t count);
void spi_bus_transfer_gather(spi_bus_t* const bus, const spi_transfer_t* const transfers, const size_t count);
#endif/*__SPI_BUS_H__*/