90 lines
2.5 KiB
C++
90 lines
2.5 KiB
C++
#include "RelayService.h"
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#include "ApiServer.h"
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RelayService::RelayService(TaskManager& taskMgr, int pin)
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: taskManager(taskMgr), relayPin(pin), relayOn(false) {
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pinMode(relayPin, OUTPUT);
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// Many relay modules are active LOW. Start in OFF state (relay de-energized).
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digitalWrite(relayPin, HIGH);
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registerTasks();
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}
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void RelayService::registerEndpoints(ApiServer& api) {
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api.addEndpoint("/api/relay/status", HTTP_GET,
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[this](AsyncWebServerRequest* request) { handleStatusRequest(request); },
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std::vector<ParamSpec>{});
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api.addEndpoint("/api/relay", HTTP_POST,
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[this](AsyncWebServerRequest* request) { handleControlRequest(request); },
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std::vector<ParamSpec>{
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ParamSpec{String("state"), true, String("body"), String("string"),
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{String("on"), String("off"), String("toggle")}}
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});
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}
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void RelayService::handleStatusRequest(AsyncWebServerRequest* request) {
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JsonDocument doc;
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doc["pin"] = relayPin;
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doc["state"] = relayOn ? "on" : "off";
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doc["uptime"] = millis();
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String json;
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serializeJson(doc, json);
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request->send(200, "application/json", json);
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}
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void RelayService::handleControlRequest(AsyncWebServerRequest* request) {
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String state = request->hasParam("state", true) ? request->getParam("state", true)->value() : "";
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bool ok = false;
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if (state.equalsIgnoreCase("on")) {
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turnOn();
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ok = true;
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} else if (state.equalsIgnoreCase("off")) {
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turnOff();
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ok = true;
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} else if (state.equalsIgnoreCase("toggle")) {
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toggle();
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ok = true;
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}
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JsonDocument resp;
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resp["success"] = ok;
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resp["state"] = relayOn ? "on" : "off";
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if (!ok) {
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resp["message"] = "Invalid state. Use: on, off, or toggle";
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}
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String json;
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serializeJson(resp, json);
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request->send(ok ? 200 : 400, "application/json", json);
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}
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void RelayService::turnOn() {
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relayOn = true;
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// Active LOW relay
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digitalWrite(relayPin, LOW);
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Serial.println("[RelayService] Relay ON");
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}
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void RelayService::turnOff() {
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relayOn = false;
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digitalWrite(relayPin, HIGH);
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Serial.println("[RelayService] Relay OFF");
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}
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void RelayService::toggle() {
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if (relayOn) {
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turnOff();
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} else {
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turnOn();
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}
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}
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void RelayService::registerTasks() {
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taskManager.registerTask("relay_status_print", 5000, [this]() {
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Serial.printf("[RelayService] Status - pin: %d, state: %s\n",
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relayPin, relayOn ? "ON" : "OFF");
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});
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}
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