#include <sta/bus/interface.hpp>

#include <sta/debug/assert.hpp>

namespace sta
{
    Interface::Interface(Mutex * mutex)
        : mutex_{mutex}, acquired_{false}
    {
        STA_ASSERT(mutex != nullptr);
    }

    bool Interface::writeMemory(uint8_t regAddr, const uint8_t * buffer, size_t size, uint32_t timeout /* = STA_MAX_TIMEOUT */)
    {
    	if (!transfer(regAddr, timeout))
			return false;

		if (!transfer(buffer, size, timeout))
			return false;

		return true;
    }

    bool Interface::readMemory(uint8_t regAddr, uint8_t * buffer, size_t size, uint32_t timeout /* = STA_MAX_TIMEOUT */)
    {
    	if (!transfer(regAddr, timeout))
			return false;

		if (!receive(buffer, size, timeout))
			return false;

		return true;
    }

    void Interface::acquire(uint32_t timeout /* = STA_MAX_TIMEOUT */)
    {
        mutex_->acquire();
        acquired_ = true;
    }

    void Interface::release(uint32_t timeout /* = STA_MAX_TIMEOUT */)
    {
        acquired_ = false;
        mutex_->release();
    }

    bool Interface::isAcquired()
    {
        return acquired_;
    }
} // namespace sta