ardupilot/libraries/AP_HAL_Empty/SPIDevice.h

85 lines
2.1 KiB
C++

/*
* Copyright (C) 2015-2016 Intel Corporation. All rights reserved.
*
* This file 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 3 of the License, or
* (at your option) any later version.
*
* This file 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. If not, see <http://www.gnu.org/licenses/>.
*/
#pragma once
#include <inttypes.h>
#include <AP_HAL/HAL.h>
#include <AP_HAL/SPIDevice.h>
#include "Semaphores.h"
namespace Empty {
class SPIDevice : public AP_HAL::SPIDevice {
public:
SPIDevice()
{
}
virtual ~SPIDevice() { }
/* AP_HAL::Device implementation */
/* See AP_HAL::Device::set_speed() */
bool set_speed(AP_HAL::Device::Speed speed) override
{
return true;
}
/* See AP_HAL::Device::transfer() */
bool transfer(const uint8_t *send, uint32_t send_len,
uint8_t *recv, uint32_t recv_len) override
{
return true;
}
/* See AP_HAL::SPIDevice::transfer_fullduplex() */
bool transfer_fullduplex(const uint8_t *send, uint8_t *recv,
uint32_t len) override
{
return true;
}
/* See AP_HAL::Device::get_semaphore() */
AP_HAL::Semaphore *get_semaphore()
{
return &_semaphore;
}
/* See AP_HAL::Device::register_periodic_callback() */
AP_HAL::Device::PeriodicHandle register_periodic_callback(
uint32_t period_usec, AP_HAL::Device::PeriodicCb) override
{
return nullptr;
}
private:
Semaphore _semaphore;
};
class SPIDeviceManager : public AP_HAL::SPIDeviceManager {
public:
SPIDeviceManager() { }
AP_HAL::OwnPtr<AP_HAL::SPIDevice> get_device(const char *name) override
{
return AP_HAL::OwnPtr<AP_HAL::SPIDevice>(new SPIDevice());
}
};
}