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mqtt custom subscribe for Devices

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This commit is contained in:
Patrick Haßel 2025-03-07 10:26:21 +01:00
parent b87b45d22f
commit 80b3c3a0da
4 changed files with 47 additions and 19 deletions
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4
src/node/Greenhouse/sensors.cpp
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@ -33,4 +33,8 @@ void sensorsLoop() {
greenhouseDHT22.loop();
}
void mqttReceive(const String& topic, const String& payload) {
light.cmd(topic, payload);
}
#endif

19
src/patrix/Output.h
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@ -47,13 +47,30 @@ public:
}
void setState(const boolean newState) {
this->state = newState;
if (this->state != newState) {
this->state = newState;
Log.info("State changed: name=%s, state=%s", name.c_str(), this->state ? "true" : "false");
}
}
[[nodiscard]] boolean getState() const {
return state;
}
void cmd(const String& topic, const String& payload) {
const String expected = String("/cmd/" + name + "/setState");
if (!topic.equals(expected)) {
return;
}
if (payload.equals("true")) {
setState(true);
} else if (payload.equals("false")) {
setState(false);
} else {
Log.error("Invalid payload for command: topic=%s, payload=%s", topic.c_str(), payload.c_str());
}
}
};
#endif

41
src/patrix/mqtt.cpp
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@ -17,28 +17,33 @@ unsigned long mqttFailureMillis = 0;
// ReSharper disable once CppUseAuto
const String logTopic = String("log/") + HOSTNAME;
// ReSharper disable once CppUseAuto
const String cmdTopic = String("cmd/") + HOSTNAME;
void mqttCallback(char* topic, const uint8_t* payload, unsigned int length) {
char message[500];
length = min(sizeof message - 1, length);
memcpy(message, payload, length);
*(message + length) = 0;
Log.info(R"(MQTT received: topic="%s", message="%s")", topic, message);
if (strcmp(message, "help") == 0) {
Log.info("HELP");
Log.info(" %s", "help");
Log.info(" %s", "info");
Log.info(" %s", "restart");
} else if (strcmp(message, "info") == 0) {
Log.info("INFO");
Log.info(" %-10s %s", "SSID:", WiFi.SSID().c_str());
Log.info(" %-10s %s", "IP:", WiFi.localIP().toString().c_str());
Log.info(" %-10s %d", "RSSI:", WiFi.RSSI());
Log.info(" %-10s %s", "uptime:", uptimeString().c_str());
} else if (strcmp(message, "restart") == 0) {
systemRequestRestart();
const String topicStr = String(topic);
const String messageStr = String(message);
Log.info(R"(MQTT received: topic="%s", message="%s")", topicStr.c_str(), messageStr.c_str());
if (topicStr.equals(String("/cmd/") + HOSTNAME)) {
if (messageStr.equals("help")) {
Log.info("HELP");
Log.info(" %s", "help");
Log.info(" %s", "info");
Log.info(" %s", "restart");
} else if (messageStr.equals("info")) {
Log.info("INFO");
Log.info(" %-10s %s", "SSID:", WiFi.SSID().c_str());
Log.info(" %-10s %s", "IP:", WiFi.localIP().toString().c_str());
Log.info(" %-10s %d", "RSSI:", WiFi.RSSI());
Log.info(" %-10s %s", "uptime:", uptimeString().c_str());
} else if (messageStr.equals("restart")) {
systemRequestRestart();
} else {
Log.warn("Unknown node command: %s", messageStr.c_str());
}
} else {
mqttReceive(topicStr, messageStr);
}
}
@ -49,7 +54,7 @@ void mqttLoop() {
yield();
mqttPublish(logTopic, "connected\n");
mqtt.setCallback(mqttCallback);
mqtt.subscribe(cmdTopic.c_str());
mqtt.subscribe("/cmd/#");
Log.info("MQTT connected as \"%s\".", HOSTNAME);
mqttFailureMillis = 0;
} else {

2
src/patrix/mqtt.h
View File

@ -50,6 +50,8 @@ void mqttPublishValue(const String& name, const String& value, const char* unit)
void mqttPublish(const String& topic, const String& payload);
void mqttReceive(const String& topic, const String& payload);
class LogClass final : public Stream {
PubSubClient& mqtt;