85 lines
2.9 KiB
C++
85 lines
2.9 KiB
C++
#include "mqtt.h"
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#include "tools.h"
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#include "prototypes.h"
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void connect() {
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LOGln("Connecting to MQTT broker...");
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if (mqtt.connect(MQTT_CLIENT_ID, MQTT_USER, MQTT_PASS, MQTT_TOPIC_STATE, 0, true, "OFFLINE")) {
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LOGln("Connected.");
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mqtt.publish(MQTT_TOPIC_STATE, "ONLINE", true);
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char buffer[40];
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snprintf(buffer, 40, "ONLINE %s", wifi.localIP().toString().c_str());
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mqtt.publish(MQTT_TOPIC_STATE_LONG, buffer, true);
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mqtt.subscribe(MQTT_TOPIC_COMMANDS);
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} else {
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LOGln("Connection failed. Reason: %d", mqtt.state());
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delay(1000);
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}
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}
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void callback(char* topic, byte* pl, unsigned int length) {
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pl[length] = 0;
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String payload((char*)pl);
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// Syntax: key=value&key2=value2...
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uint16_t duration = 0;
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AnimationMode new_mode = AM_NONE;
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String current_part;
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while (payload.length() > 0) {
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int offset = payload.indexOf("&");
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if (offset != -1) {
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current_part = payload.substring(0, offset);
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payload = payload.substring(offset + 1);
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}
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offset = current_part.indexOf("=");
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if (offset==-1) continue;
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String key = current_part.substring(0, offset);
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String value = current_part.substring(offset+1);
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if (key.equals("mode")) {
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if (value.equals("nodes")) { new_mode = AM_NODES; }
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else if (value.equals("first_node")) { new_mode = AM_FIRST_NODE; }
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else if (value.equals("corners")) { new_mode = AM_CORNERS; }
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else if (value.equals("first_corner")) { new_mode = AM_FIRST_CORNER; }
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else if (value.equals("off")) { new_mode = AM_OFF; }
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else if (value.equals("flash")) { new_mode = AM_FLASH; }
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else { LOGln("Unknown mode '%s'.", value.c_str()); }
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} else if (key.equals("duration")) {
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duration = value.toInt();
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} else if (key.equals("brightness")) {
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if (temp_mode_until == 0) {
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return_to_brightness = FastLED.getBrightness();
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}
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FastLED.setBrightness(value.toInt());
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} else if (key.equals("color")) {
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if (value.equals("red")) { color = CRGB::Red; }
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else if (value.equals("green")) { color = CRGB::Green; }
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else if (value.equals("blue")) { color = CRGB::Blue; }
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else { LOGln("Unknown color name %s.", value.c_str());}
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} else {
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LOGln("Unknown key '%s'. (For reference: Value is '%s'.)", key.c_str(), value.c_str());
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}
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}
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if (new_mode != AM_NONE) {
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if (duration > 0) {
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temp_mode = new_mode;
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temp_mode_until = millis() + duration*1000;
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} else {
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mode = new_mode;
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}
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}
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}
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void mqtt_setup() {
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mqtt.setServer(MQTT_SERVER, MQTT_SERVER_PORT);
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mqtt.setCallback(callback);
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mqtt.setSocketTimeout(1);
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connect();
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}
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void mqtt_loop() {
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if (!mqtt.connected()) {
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connect();
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}
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mqtt.loop();
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} |