Start firmware
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@@ -1,90 +1,232 @@
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#include <Arduino.h>
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#include <ArduinoJson.h>
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#include <ESP8266WiFi.h>
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#include <ESP8266WiFiMulti.h>
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#include <ESP8266HTTPClient.h>
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#define USE_SERIAL Serial
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const char* WIFI_SSID = "Protospace";
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const char* WIFI_PASS = "yycmakers";
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char wifiMACAddr[18];
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const String API_ROUTE = String("http://tools.protospace.ca:8080/api/lockout/");
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ESP8266WiFiMulti WiFiMulti;
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char macAddr[18];
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#define RELAY_PIN D1
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#define ON_BUTTON_PIN D3
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#define OFF_BUTTON_PIN D4
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#define ARMED_LED_PIN D5
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#define ON_LED_PIN D6
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#define OFF_LED_PIN D7
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#define RELAY_CLOSED LOW
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#define RELAY_OPEN !RELAY_CLOSED
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#define BUTTON_CLOSED LOW
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#define BUTTON_OPEN !BUTTON_CLOSED
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#define LED_ON HIGH
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#define LED_OFF !LED_ON
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#define LOGGING true
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#define DELAY_TIME 10
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#define COMM_IDLE_TIME 500 / DELAY_TIME
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// Generated with: https://arduinojson.org/assistant/
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const size_t bufferSize = JSON_OBJECT_SIZE(3) + 50;
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DynamicJsonBuffer jsonBuffer(bufferSize);
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void setup() {
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enum wifiStates
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{
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WIFI_DISCONNECTED,
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WIFI_CONNECTING,
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WIFI_CONNECTED,
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} wifiState = WIFI_DISCONNECTED;
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pinMode(D2, OUTPUT);
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digitalWrite(D2, HIGH);
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enum lockStates
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{
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LOCK_OFF,
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LOCK_ARMED,
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LOCK_ON_PRESSED,
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LOCK_ON,
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LOCK_OFF_PRESSED,
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} lockState = LOCK_OFF;
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USE_SERIAL.begin(115200);
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// USE_SERIAL.setDebugOutput(true);
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enum commStates
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{
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COMM_INIT,
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COMM_IDLE,
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COMM_SEND,
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} commState = COMM_INIT;
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USE_SERIAL.println();
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USE_SERIAL.println();
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USE_SERIAL.println();
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for(uint8_t t = 4; t > 0; t--) {
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USE_SERIAL.printf("[SETUP] WAIT %d...\n", t);
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USE_SERIAL.flush();
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delay(1000);
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}
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WiFi.mode(WIFI_STA);
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WiFiMulti.addAP("Protospace", "yycmakers");
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byte ar[6];
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WiFi.macAddress(ar);
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sprintf(macAddr, "%02X%02X%02X%02X%02X%02X", ar[0], ar[1], ar[2], ar[3], ar[4], ar[5]);
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USE_SERIAL.println(macAddr);
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void setup()
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{
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if (LOGGING) Serial.begin(115200);
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if (LOGGING) Serial.println("[INFO] Serial started.");
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pinMode(RELAY_PIN, OUTPUT);
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pinMode(ON_BUTTON_PIN, INPUT_PULLUP);
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pinMode(OFF_BUTTON_PIN, INPUT_PULLUP);
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pinMode(ARMED_LED_PIN, OUTPUT);
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pinMode(ON_LED_PIN, OUTPUT);
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pinMode(OFF_LED_PIN, OUTPUT);
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}
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void loop() {
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// wait for WiFi connection
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if((WiFiMulti.run() == WL_CONNECTED)) {
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void loop()
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{
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processWifiState();
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processLockState();
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processCommState();
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HTTPClient http;
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USE_SERIAL.print("[HTTP] begin...\n");
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// configure traged server and url
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//http.begin("https://192.168.1.12/test.html", "7a 9c f4 db 40 d3 62 5a 6e 21 bc 5c cc 66 c8 3e a1 45 59 38"); //HTTPS
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http.begin(String("http://172.17.32.164:3000/api/tool/") + macAddr); //HTTP
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USE_SERIAL.print("[HTTP] GET...\n");
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// start connection and send HTTP header
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int httpCode = http.GET();
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// httpCode will be negative on error
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if(httpCode > 0) {
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// HTTP header has been send and Server response header has been handled
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USE_SERIAL.printf("[HTTP] GET... code: %d\n", httpCode);
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// file found at server
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if(httpCode == HTTP_CODE_OK) {
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String payload = http.getString();
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USE_SERIAL.println(payload);
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JsonObject& root = jsonBuffer.parseObject(payload);
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bool relayOn = root["relayOn"]; // true
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bool ledOn = root["ledOn"]; // true
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const char* date = root["date"]; // "2018-02-01"
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USE_SERIAL.println(String("relayOn: ") + relayOn + String(" ledOn: ") + ledOn + String(" Date: ") + date);
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digitalWrite(D2, !relayOn);
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}
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} else {
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USE_SERIAL.printf("[HTTP] GET... failed, error: %s\n", http.errorToString(httpCode).c_str());
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}
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http.end();
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}
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delay(10000);
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delay(DELAY_TIME);
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}
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void processWifiState()
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{
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switch(wifiState) {
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case WIFI_DISCONNECTED:
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lockState = LOCK_OFF;
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commState = COMM_INIT;
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if (LOGGING) Serial.println("[INFO] Wifi is disconnected. Attempting to connect...");
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WiFi.begin(WIFI_SSID, WIFI_PASS);
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wifiState = WIFI_CONNECTING;
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break;
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case WIFI_CONNECTING:
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lockState = LOCK_OFF;
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commState = COMM_INIT;
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if (WiFi.status() == WL_CONNECTED) {
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if (LOGGING) Serial.println("[INFO] Wifi is connected.");
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if (LOGGING) Serial.print("[INFO] Wifi IP Address:");
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if (LOGGING) Serial.println(WiFi.localIP());
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byte ar[6];
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WiFi.macAddress(ar);
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sprintf(wifiMACAddr, "%02X%02X%02X%02X%02X%02X", ar[0], ar[1], ar[2], ar[3], ar[4], ar[5]);
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if (LOGGING) Serial.print("[INFO] Wifi MAC Address:");
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if (LOGGING) Serial.println(wifiMACAddr);
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wifiState = WIFI_CONNECTED;
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}
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break;
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case WIFI_CONNECTED:
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if (WiFi.status() != WL_CONNECTED) {
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wifiState = WIFI_DISCONNECTED;
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}
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break;
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default:
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if (LOGGING) Serial.println("[ERROR] Invalid wifi state.");
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wifiState = WIFI_DISCONNECTED;
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break;
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}
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}
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void processLockState()
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{
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switch (lockState) {
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case LOCK_OFF:
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digitalWrite(ARMED_LED_PIN, LED_OFF);
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digitalWrite(ON_LED_PIN, LED_OFF);
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digitalWrite(OFF_LED_PIN, LED_ON);
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digitalWrite(RELAY_PIN, RELAY_OPEN);
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break;
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case LOCK_ARMED:
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digitalWrite(ARMED_LED_PIN, LED_ON);
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digitalWrite(ON_LED_PIN, LED_OFF);
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digitalWrite(OFF_LED_PIN, LED_ON);
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digitalWrite(RELAY_PIN, RELAY_OPEN);
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if (digitalRead(OFF_BUTTON_PIN) == BUTTON_CLOSED) {
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if (LOGGING) Serial.println("[INFO] Unarming interlock.");
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lockState = LOCK_OFF_PRESSED;
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} else if (digitalRead(ON_BUTTON_PIN) == BUTTON_CLOSED) {
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if (LOGGING) Serial.println("[INFO] On button pressed.");
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lockState = LOCK_ON_PRESSED;
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}
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break;
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case LOCK_ON_PRESSED:
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if (digitalRead(OFF_BUTTON_PIN) == BUTTON_CLOSED) {
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if (LOGGING) Serial.println("[ERROR] Both buttons pressed, aborting.");
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lockState = LOCK_OFF_PRESSED;
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} else if (digitalRead(ON_BUTTON_PIN) == BUTTON_OPEN) {
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if (LOGGING) Serial.println("[INFO] Turning machine on.");
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lockState = LOCK_ON;
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}
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break;
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case LOCK_ON:
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digitalWrite(ARMED_LED_PIN, LED_ON);
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digitalWrite(ON_LED_PIN, LED_ON);
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digitalWrite(OFF_LED_PIN, LED_OFF);
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digitalWrite(RELAY_PIN, RELAY_CLOSED);
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if (digitalRead(OFF_BUTTON_PIN) == BUTTON_CLOSED) {
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if (LOGGING) Serial.println("[INFO] Off button pressed.");
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lockState = LOCK_OFF_PRESSED;
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}
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break;
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case LOCK_OFF_PRESSED:
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if (digitalRead(OFF_BUTTON_PIN) == BUTTON_OPEN) {
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if (LOGGING) Serial.println("[INFO] Turning machine off.");
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lockState = LOCK_OFF;
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}
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break;
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default:
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if (LOGGING) Serial.println("[ERROR] Invalid lock state.");
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lockState = LOCK_OFF;
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break;
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}
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}
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void processCommState()
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{
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static int commIdleCount = 0;
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switch (commState) {
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case COMM_INIT:
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commIdleCount = 0;
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commState = COMM_IDLE;
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break;
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case COMM_IDLE:
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commIdleCount++;
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if (commIdleCount >= COMM_IDLE_TIME) {
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commState = COMM_SEND;
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}
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break;
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case COMM_SEND:
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if (LOGGING) Serial.println("[INFO] HTTP begin.");
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HTTPClient http;
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//http.begin("https://url", "7a 9c f4 db 40 d3 62 5a 6e 21 bc 5c cc 66 c8 3e a1 45 59 38"); //HTTPS
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http.begin(API_ROUTE + wifiMACAddr);
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http.addHeader("Content-Type", "application/json");
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if (LOGGING) Serial.print("[INFO] HTTP POST: ");
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JsonObject& rootSerializer = jsonBuffer.createObject();
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rootSerializer["lockState"] = lockState;
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String postData = String();
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rootSerializer.printTo(postData);
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if (LOGGING) Serial.println(postData);
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int httpCode = http.POST(postData);
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if (httpCode > 0) {
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if (LOGGING) Serial.printf("[INFO] POST success, code: %d\n", httpCode);
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if (httpCode == HTTP_CODE_OK) {
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if (LOGGING) Serial.print("[INFO] Resource found, parsing response: ");
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String payload = http.getString();
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if (LOGGING) Serial.println(payload);
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JsonObject& rootDeserializer = jsonBuffer.parseObject(payload);
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bool armable = rootDeserializer["armable"];
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if (LOGGING) Serial.println("[INFO] Armable: " + String(armable));
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} else {
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if (LOGGING) Serial.println("[ERROR] Resource not found.");
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}
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} else {
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if (LOGGING) Serial.printf("[ERROR] POST failed, error: %s\n", http.errorToString(httpCode).c_str());
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}
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commState = COMM_INIT;
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break;
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}
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}
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