Files
timely-reference/firmware/Bsp/Drivers/SpiDriver.h
Max Regan 99317eb99b Hack in support for other boards/microcontrollers, add GpioDriver
There's definitely plenty of cleanup work to be done (see:
"ifdefs").
2020-04-11 11:07:57 -07:00

51 lines
1.7 KiB
C++

/*
* Copyright (C) 2019 Max Regan
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
#pragma once
#include "Bsp/ReturnCode.h"
#include "Bsp/TaskScheduler.h"
#include "Bsp/Drivers/GpioDriver.h"
#include "Mcu.h"
namespace BSP {
class SpiDriver : public BSP::Schedule::Task {
public:
// TODO: Allow other CS pins of either polaritu
// TODO: Allow configurable CPHA, CPOL
// TODO: Allow other SPI instances (not just SPI1)
SpiDriver(BSP::Schedule::TaskScheduler &scheduler, BSP::GpioPin &nss);
void init();
BSP::Schedule::NextTime execute() override;
BSP::ReturnCode tx_blocking(const uint8_t *data, size_t len);
private:
BSP::Schedule::TaskScheduler &m_scheduler;
SPI_TypeDef *m_spi;
BSP::GpioPin &m_nss;
};
}