wait()

bool fl::spi::Transaction::wait

(

u32

timeout_ms = (fl::numeric_limits<u32>::max)()

)

Wait for transaction to complete.

Parameters

timeout_ms

Maximum time to wait

Returns

true if completed, false on timeout

Definition at line 408 of file device.cpp.hpp.

                                                  {
    if (!pImpl) {
        return true;  // Already completed (or invalid)
    }
 
    if (pImpl->completed) {
        return true;  // Already completed
    }
 
    if (pImpl->cancelled) {
        pImpl->completed = true;
        return false;  // Was cancelled
    }
 
    // Check if device is still valid
    if (!pImpl->device) {
        pImpl->completed = true;
        pImpl->result = fl::task::Error("Device pointer is null");
        return false;
    }
 
    if (!pImpl->device->isReady()) {
        pImpl->completed = true;
        pImpl->result = fl::task::Error("Device not ready");
        return false;
    }
 
#ifdef FASTLED_LOG_SPI_ENABLED
    u32 start_time = fl::millis();
#endif
    // Wait for the hardware to complete
    bool success = pImpl->device->waitComplete(timeout_ms);
 
    if (success) {
        // Clear async state in device
        if (pImpl->device->pImpl) {
            pImpl->device->pImpl->async_state.active = false;
        }
        pImpl->completed = true;
        pImpl->result = fl::nullopt;
 
#ifdef FASTLED_LOG_SPI_ENABLED
        FL_LOG_SPI("Transaction: Completed successfully (waited " << (fl::millis() - start_time) << "ms)");
#endif
        return true;
    } else {
        // Timeout occurred
        pImpl->completed = true;
        pImpl->result = fl::task::Error("Transaction timeout");
        FL_WARN("Transaction: Timeout after " << timeout_ms << "ms");
        return false;
    }
}

References FL_LOG_SPI, fl::FL_NO_EXCEPT, FL_WARN, fl::millis(), fl::nullopt, and pImpl.

Referenced by ~Transaction().

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