stm32spislave.h

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#ifndef SEMF_HARDWAREABSTRACTION_STM32_STM32SPISLAVE_H_
#define SEMF_HARDWAREABSTRACTION_STM32_STM32SPISLAVE_H_
 
#include <semf/communication/spislavehardware.h>
#include <semf/hardwareabstraction/stm32/stm32.h>
#include <semf/utils/core/queues/linkedqueue.h>
#include <semf/utils/core/signals/slot.h>
 
#if defined(STM32) && defined(HAL_SPI_MODULE_ENABLED)
namespace semf
{
class Stm32SpiSlave : public SpiSlaveHardware, public LinkedQueue<Stm32SpiSlave>::Node
{
public:
    enum class ErrorCode : uint8_t
    {
        Init_HalError = 0,
        Init_HalBusy,
        Init_HalTimeout,
        Deinit_HalError,
        Deinit_HalBusy,
        Deinit_HalTimeout,
        SystemIsrError_Isr,
        SetFormatHardware_BitsNotSupported,
        StopWriteHardware_HalError,
        StopWriteHardware_HalBusy,
        StopWriteHardware_HalTimeout,
        StopReadHardware_HalError,
        StopReadHardware_HalBusy,
        StopReadHardware_HalTimeout,
        WriteHardware_HalError,
        WriteHardware_HalBusy,
        WriteHardware_HalTimeout,
        ReadHardware_HalError,
        ReadHardware_HalBusy,
        ReadHardware_HalTimeout,
        WriteReadHardware_HalError,
        WriteReadHardware_HalBusy,
        WriteReadHardware_HalTimeout
    };
 
    explicit Stm32SpiSlave(SPI_HandleTypeDef& hwHandle);
    explicit Stm32SpiSlave(const Stm32SpiSlave& other) = delete;
    virtual ~Stm32SpiSlave() = default;
 
    void init() override;
    void deinit() override;
    static void systemIsrRead(SPI_HandleTypeDef& hwHandle);
    static void systemIsrWritten(SPI_HandleTypeDef& hwHandle);
    static void systemIsrWrittenAndRead(SPI_HandleTypeDef& hwHandle);
    static void systemIsrError(SPI_HandleTypeDef& hwHandle);
    static void systemIsrAbort(SPI_HandleTypeDef& hwHandle);
 
protected:
    void writeHardware(const uint8_t data[], size_t dataSize) override;
    void readHardware(uint8_t buffer[], size_t bufferSize) override;
    void writeReadHardware(const uint8_t writeData[], uint8_t readBuffer[], size_t size) override;
    void stopReadHardware() override;
    void stopWriteHardware() override;
    void onReadWritten();
    void onReadWrittenHardware();
    void onAbortedHardware();
    void setFormatHardware(uint8_t bits, TransmissionMode transmission, WireMode wire) override;
 
private:
    SPI_HandleTypeDef* m_hwHandle;
    static LinkedQueue<Stm32SpiSlave> m_queue;
    Signal<> aborted;
    SEMF_SLOT(m_abortedSlot, Signal<>, writeStopped, emitSignal);
    uint8_t* m_writeData;
    size_t m_writeDataSize;
    uint8_t* m_readBuffer;
    static constexpr Error::ClassID kSemfClassId = Error::ClassID::Stm32SpiSlave;
};
}  // namespace semf
#endif
#endif /* SEMF_HARDWAREABSTRACTION_STM32_STM32SPISLAVE_H_ */