releaseBackend()

void fl::spi::ParallelDevice::Impl::releaseBackend ( )

inline

Definition at line 61 of file parallel_device.cpp.hpp.

                          {
        if (!backend) return;
 
        // Stop ISR if in ISR mode
        if (is_isr_mode) {
            // ISR backends have stopISR() method
            if (backend_width == 1) {
                static_cast<SpiIsr1*>(backend)->stopISR();
            } else if (backend_width == 2) {
                static_cast<SpiIsr2*>(backend)->stopISR();
            } else if (backend_width == 4) {
                static_cast<SpiIsr4*>(backend)->stopISR();
            } else if (backend_width == 8) {
                static_cast<SpiIsr8*>(backend)->stopISR();
            } else if (backend_width == 16) {
                static_cast<SpiIsr16*>(backend)->stopISR();
            } else if (backend_width == 32) {
                static_cast<SpiIsr32*>(backend)->stopISR();
            }
        }
 
        // Note: SpiIsr* and SpiBlock* backends don't need delete
        // (they're typically stack-allocated in this impl)
        backend = nullptr;
        initialized = false;
    }

References backend, backend_width, initialized, and is_isr_mode.

Referenced by ~Impl().

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