You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
74 lines
2.0 KiB
74 lines
2.0 KiB
/// -*- tab-width: 4; Mode: C++; c-basic-offset: 4; indent-tabs-mode: nil -*- |
|
/* |
|
* Copyright (C) 2015 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 "SPIDriver.h" |
|
|
|
namespace Linux { |
|
|
|
class SPIBus; |
|
|
|
class SPIDevice : public AP_HAL::SPIDevice { |
|
public: |
|
SPIDevice(SPIBus &bus, SPIDeviceDriver &device_desc); |
|
|
|
virtual ~SPIDevice(); |
|
|
|
/* AP_HAL::SPIDevice implementation */ |
|
|
|
/* See AP_HAL::Device::set_speed() */ |
|
bool set_speed(AP_HAL::Device::Speed speed) override; |
|
|
|
/* See AP_HAL::Device::transfer() */ |
|
bool transfer(const uint8_t *send, uint32_t send_len, |
|
uint8_t *recv, uint32_t recv_len) override; |
|
|
|
/* See AP_HAL::Device::get_semaphore() */ |
|
AP_HAL::Semaphore *get_semaphore() override; |
|
|
|
/* See AP_HAL::Device::register_periodic_callback() */ |
|
AP_HAL::Device::PeriodicHandle *register_periodic_callback( |
|
uint32_t period_usec, AP_HAL::MemberProc) override |
|
{ |
|
return nullptr; |
|
} |
|
|
|
/* See AP_HAL::Device::get_fd() */ |
|
int get_fd() override; |
|
|
|
protected: |
|
SPIBus &_bus; |
|
SPIDeviceDriver &_desc; |
|
|
|
/* |
|
* Select device if using userspace CS |
|
*/ |
|
void _cs_assert(); |
|
|
|
/* |
|
* Deselect device if using userspace CS |
|
*/ |
|
void _cs_release(); |
|
}; |
|
|
|
}
|
|
|