setup()

void setup

(

)

Definition at line 64 of file RpcClient.ino.

             {
    Serial.begin(115200);
    while (!Serial && millis() < 3000) {
        // Wait for serial or timeout
    }
 
    Serial.println("\n=== HTTP RPC Client Example ===\n");
    Serial.println("This example connects to an HTTP RPC server");
    Serial.println("and calls remote methods using all three RPC modes:");
    Serial.println("  - SYNC: Immediate response");
    Serial.println("  - ASYNC: ACK + later result");
    Serial.println("  - ASYNC_STREAM: ACK + updates + final");
    Serial.println();
    fl::printf("Connecting to server at %s:%d...\n", SERVER_HOST, SERVER_PORT);
 
    // Initialize LEDs
    FastLED.addLeds<WS2812B, DATA_PIN, GRB>(leds, NUM_LEDS);
    FastLED.setBrightness(50);
    fill_solid(leds, NUM_LEDS, CRGB::Black);
    FastLED.show();
 
    // Create HTTP streaming client transport
    transport = fl::make_unique<fl::net::http::HttpStreamClient>(SERVER_HOST, SERVER_PORT);
 
    // Configure heartbeat and timeout
    transport->setHeartbeatInterval(30000); // 30 seconds
    transport->setTimeout(60000);           // 60 seconds
 
    // Set connection state callbacks
    transport->setOnConnect([]() {
        Serial.println("[CALLBACK] Connected to server!");
        // Visual feedback: turn first LED green
        leds[0] = CRGB::Green;
        FastLED.show();
    });
 
    transport->setOnDisconnect([]() {
        Serial.println("[CALLBACK] Disconnected from server!");
        // Visual feedback: turn first LED red
        leds[0] = CRGB::Red;
        FastLED.show();
        waitingForResponse = false;
    });
 
    // Create Remote with transport callbacks
    remote = fl::make_unique<fl::Remote>(
        []() { return transport->readRequest(); },
        [](const fl::json& response) { transport->writeResponse(response); }
    );
 
    // Connect to server
    if (!transport->connect()) {
        Serial.println("ERROR: Failed to connect to server!");
        Serial.println("Make sure RpcServer example is running.");
        leds[0] = CRGB::Red;
        FastLED.show();
        return;
    }
 
    Serial.println("Connected successfully!");
    Serial.println();
}

References fl::CRGB::Black, DATA_PIN, FastLED, fill_solid(), GRB, fl::CRGB::Green, leds, fl::make_unique(), NUM_LEDS, fl::printf(), fl::CRGB::Red, remote, Serial, SERVER_HOST, SERVER_PORT, transport, and waitingForResponse.

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