cancel()

bool fl::spi::Transaction::cancel

(

)

Cancel pending transaction (if supported by platform)

Returns

true if cancelled, false if not cancellable

Note

Not all platforms support cancellation

Definition at line 470 of file device.cpp.hpp.

                         {
    if (!pImpl || pImpl->completed) {
        return false;  // Already completed or invalid
    }
 
    // Note: Cancellation of in-progress DMA transfers is platform-specific
    // and not always supported. For now, we mark it as cancelled and
    // the next wait() call will handle it.
 
    pImpl->cancelled = true;
    pImpl->completed = true;
    pImpl->result = fl::task::Error("Transaction cancelled");
 
    // Clear async state in device
    if (pImpl->device && pImpl->device->pImpl) {
        pImpl->device->pImpl->async_state.active = false;
    }
 
    FL_LOG_SPI("Transaction: Cancelled");
    return true;
}

References FL_LOG_SPI, and pImpl.