sta-core/src/bus/device.cpp

#include <sta/bus/device.hpp>
#include <sta/assert.hpp>

namespace sta
{
    Device::Device(Interface * intf)
        : intf_{intf}
    {
        STA_ASSERT(intf != nullptr);
    }

    void Device::beginTransmission()
    {
        intf_->acquire();
        select();
        selected_ = true;
    }

    void Device::endTransmission()
    {
        deselect();
        selected_ = false;
        intf_->release();
    }

    void Device::transfer(uint8_t value)
    {
        STA_ASSERT(intf_->isAquired());
        STA_ASSERT(selected_);

        intf_->transfer(value);
    }

    void Device::transfer16(uint16_t value)
    {
        STA_ASSERT(intf_->isAquired());
        STA_ASSERT(selected_);

        intf_->transfer16(value);
    }

    void Device::transfer(const uint8_t * buffer, size_t size)
    {
        STA_ASSERT(intf_->isAquired());
        STA_ASSERT(selected_);
        STA_ASSERT(buffer != nullptr);

        intf_->transfer(buffer, size);
    }

    void Device::transfer(const uint8_t * txBuffer, uint8_t * rxBuffer, size_t size)
    {
        STA_ASSERT(intf_->isAquired());
        STA_ASSERT(selected_);
        STA_ASSERT(txBuffer != nullptr);
        STA_ASSERT(rxBuffer != nullptr);

        intf_->transfer(txBuffer, rxBuffer, size);
    }

    void Device::receive(uint8_t * buffer, size_t size)
    {
        STA_ASSERT(intf_->isAquired());
        STA_ASSERT(selected_);
        STA_ASSERT(buffer != nullptr);

        intf_->receive(buffer, size);
    }

    void Device::fill(uint8_t value, size_t count)
    {
        STA_ASSERT(intf_->isAquired());
        STA_ASSERT(selected_);

        intf_->fill(value, count);
    }
} // namespace sta