spi.hpp

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 /* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
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  *   \/     /_____//_____/      \/            \/     \/            *
  *                          - Midgard -                            *
  * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
  * This software can be used by students and other personal of the *
  * Bern University of Applied Sciences under the terms of the MIT  *
  * license.                                                        *
  * For other persons this software is under the terms of the GNU   *
  * General Public License version 2.                               *
  *                                                                 *
  * Copyright © 2021, Bern University of Applied Sciences.     *
  * All rights reserved.                                            *
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#pragma once
 
#include <cpp/common/frontend/spi.hpp>
 
#include <string>
#include <string_view>
#include <array>
 
namespace bsp::mid::drv {
 
    template<auto Context>
    struct SPI {
 
        static bool init() {
            return true;
        }
 
        static bool deinit() {
            return true;
        }
 
        template<size_t N>
        static void read(std::array<u8, N> &data) {
            HAL_SPI_Receive(Context, data.data(), data.size(), HAL_MAX_DELAY);
        }
 
        template<size_t N>
        static void write(const std::array<u8, N> &data) {
            HAL_SPI_Transmit(Context, const_cast<u8*>(data.data()), data.size(), HAL_MAX_DELAY);
        }
 
        static void setMode(bsp::drv::SPIMode mode) {
            while (HAL_SPI_GetState(Context) == HAL_SPI_STATE_BUSY);
            Context->Instance->CR1 = (Context->Instance->CR1 & ~0b11) | enumValue(mode);
        }
 
    };
 
}