ardupilot/libraries/AP_HAL_SMACCM/SPIDriver.h

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/*
* SPIDriver.h --- AP_HAL_SMACCM SPI driver.
*
* Copyright (C) 2012, Galois, Inc.
* All Rights Reserved.
*
* This software is released under the "BSD3" license. Read the file
* "LICENSE" for more information.
*/
#ifndef __AP_HAL_SMACCM_SPIDRIVER_H__
#define __AP_HAL_SMACCM_SPIDRIVER_H__
#include <AP_HAL_Boards.h>
#if CONFIG_HAL_BOARD == HAL_BOARD_SMACCM
#include <AP_HAL_SMACCM.h>
#include "Semaphores.h"
#include <hwf4/spi.h>
class SMACCM::SMACCMSPIDeviceDriver : public AP_HAL::SPIDeviceDriver {
public:
SMACCMSPIDeviceDriver(spi_bus *bus, spi_device *device);
void init();
AP_HAL::Semaphore* get_semaphore();
void transaction(const uint8_t *tx, uint8_t *rx, uint16_t len);
void cs_assert();
void cs_release();
uint8_t transfer (uint8_t data);
void transfer (const uint8_t *data, uint16_t len);
private:
SMACCMSemaphore _semaphore;
struct spi_bus *_bus;
struct spi_device *_device;
};
class SMACCM::SMACCMSPIDeviceManager : public AP_HAL::SPIDeviceManager {
public:
SMACCMSPIDeviceManager();
void init(void *);
AP_HAL::SPIDeviceDriver* device(AP_HAL::SPIDevice);
};
#endif // CONFIG_HAL_BOARD == HAL_BOARD_SMACCM
#endif // __AP_HAL_SMACCM_SPIDRIVER_H__