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336 lines
9.2 KiB
336 lines
9.2 KiB
/*
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UTILS MODULE
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Copyright (C) 2017-2018 by Xose Pérez <xose dot perez at gmail dot com>
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*/
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#include <Ticker.h>
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Ticker _defer_reset;
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String getIdentifier() {
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char buffer[20];
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snprintf_P(buffer, sizeof(buffer), PSTR("ESPURNA_%06X"), ESP.getChipId());
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return String(buffer);
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}
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void setBoardName() {
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#ifndef ESPURNA_CORE
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setSetting("boardName", DEVICE_NAME);
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#endif
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}
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String getBoardName() {
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return getSetting("boardName", DEVICE_NAME);
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}
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String getCoreVersion() {
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String version = ESP.getCoreVersion();
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#ifdef ARDUINO_ESP8266_RELEASE
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if (version.equals("00000000")) {
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version = String(ARDUINO_ESP8266_RELEASE);
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}
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#endif
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return version;
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}
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String getCoreRevision() {
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#ifdef ARDUINO_ESP8266_GIT_VER
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return String(ARDUINO_ESP8266_GIT_VER);
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#else
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return String("");
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#endif
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}
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// WTF
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// Calling ESP.getFreeHeap() is making the system crash on a specific
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// AiLight bulb, but anywhere else...
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unsigned int getFreeHeap() {
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if (getSetting("wtfHeap", 0).toInt() == 1) return 9999;
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return ESP.getFreeHeap();
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}
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String buildTime() {
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const char time_now[] = __TIME__; // hh:mm:ss
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unsigned int hour = atoi(&time_now[0]);
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unsigned int minute = atoi(&time_now[3]);
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unsigned int second = atoi(&time_now[6]);
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const char date_now[] = __DATE__; // Mmm dd yyyy
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const char *months[] = {"Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul", "Aug", "Sep", "Oct", "Nov", "Dec" };
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unsigned int month = 0;
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for ( int i = 0; i < 12; i++ ) {
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if (strncmp(date_now, months[i], 3) == 0 ) {
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month = i + 1;
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break;
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}
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}
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unsigned int day = atoi(&date_now[3]);
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unsigned int year = atoi(&date_now[7]);
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char buffer[20];
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snprintf_P(
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buffer, sizeof(buffer), PSTR("%04d-%02d-%02d %02d:%02d:%02d"),
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year, month, day, hour, minute, second
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);
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return String(buffer);
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}
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unsigned long getUptime() {
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static unsigned long last_uptime = 0;
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static unsigned char uptime_overflows = 0;
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if (millis() < last_uptime) ++uptime_overflows;
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last_uptime = millis();
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unsigned long uptime_seconds = uptime_overflows * (UPTIME_OVERFLOW / 1000) + (last_uptime / 1000);
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return uptime_seconds;
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}
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void heartbeat() {
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unsigned long uptime_seconds = getUptime();
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unsigned int free_heap = getFreeHeap();
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// -------------------------------------------------------------------------
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// MQTT
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// -------------------------------------------------------------------------
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#if MQTT_SUPPORT
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#if (HEARTBEAT_REPORT_INTERVAL)
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mqttSend(MQTT_TOPIC_INTERVAL, HEARTBEAT_INTERVAL / 1000);
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#endif
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#if (HEARTBEAT_REPORT_APP)
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mqttSend(MQTT_TOPIC_APP, APP_NAME);
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#endif
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#if (HEARTBEAT_REPORT_VERSION)
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mqttSend(MQTT_TOPIC_VERSION, APP_VERSION);
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#endif
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#if (HEARTBEAT_REPORT_HOSTNAME)
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mqttSend(MQTT_TOPIC_HOSTNAME, getSetting("hostname").c_str());
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#endif
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#if (HEARTBEAT_REPORT_IP)
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mqttSend(MQTT_TOPIC_IP, getIP().c_str());
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#endif
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#if (HEARTBEAT_REPORT_MAC)
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mqttSend(MQTT_TOPIC_MAC, WiFi.macAddress().c_str());
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#endif
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#if (HEARTBEAT_REPORT_RSSI)
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mqttSend(MQTT_TOPIC_RSSI, String(WiFi.RSSI()).c_str());
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#endif
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#if (HEARTBEAT_REPORT_UPTIME)
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mqttSend(MQTT_TOPIC_UPTIME, String(uptime_seconds).c_str());
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#endif
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#if (HEARTBEAT_REPORT_DATETIME) & (NTP_SUPPORT)
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mqttSend(MQTT_TOPIC_DATETIME, String(ntpDateTime()).c_str());
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#endif
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#if (HEARTBEAT_REPORT_FREEHEAP)
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mqttSend(MQTT_TOPIC_FREEHEAP, String(free_heap).c_str());
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#endif
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#if (HEARTBEAT_REPORT_RELAY)
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relayMQTT();
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#endif
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#if (LIGHT_PROVIDER != LIGHT_PROVIDER_NONE) & (HEARTBEAT_REPORT_LIGHT)
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lightMQTT();
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#endif
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#if (HEARTBEAT_REPORT_VCC)
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#if ADC_VCC_ENABLED
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mqttSend(MQTT_TOPIC_VCC, String(ESP.getVcc()).c_str());
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#endif
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#endif
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#if (HEARTBEAT_REPORT_STATUS)
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mqttSend(MQTT_TOPIC_STATUS, MQTT_STATUS_ONLINE, true);
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#endif
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bool serial = !mqttConnected();
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#else
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bool serial = true;
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#endif
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// -------------------------------------------------------------------------
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// Serial
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// -------------------------------------------------------------------------
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if (serial) {
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DEBUG_MSG_P(PSTR("[MAIN] Uptime: %ld seconds\n"), uptime_seconds);
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DEBUG_MSG_P(PSTR("[MAIN] Free heap: %d bytes\n"), free_heap);
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#if ADC_VCC_ENABLED
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DEBUG_MSG_P(PSTR("[MAIN] Power: %d mV\n"), ESP.getVcc());
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#endif
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}
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#if NTP_SUPPORT
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DEBUG_MSG_P(PSTR("[MAIN] Time: %s\n"), (char *) ntpDateTime().c_str());
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#endif
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// -------------------------------------------------------------------------
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// InfluxDB
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// -------------------------------------------------------------------------
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#if INFLUXDB_SUPPORT
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#if (HEARTBEAT_REPORT_UPTIME)
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idbSend(MQTT_TOPIC_UPTIME, String(uptime_seconds).c_str());
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#endif
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#if (HEARTBEAT_REPORT_FREEHEAP)
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idbSend(MQTT_TOPIC_FREEHEAP, String(free_heap).c_str());
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#endif
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#endif
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// -------------------------------------------------------------------------
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// WebSockets
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// -------------------------------------------------------------------------
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#if WEB_SUPPORT
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#if NTP_SUPPORT
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{
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char buffer[200];
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snprintf_P(
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buffer,
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sizeof(buffer) - 1,
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PSTR("{\"time\": \"%s\", \"uptime\": %lu, \"heap\": %lu}"),
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ntpDateTime().c_str(), uptime_seconds, free_heap
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);
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wsSend(buffer);
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}
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#endif
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#endif
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}
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// -----------------------------------------------------------------------------
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// SSL
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// -----------------------------------------------------------------------------
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#if ASYNC_TCP_SSL_ENABLED
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bool sslCheckFingerPrint(const char * fingerprint) {
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return (strlen(fingerprint) == 59);
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}
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bool sslFingerPrintArray(const char * fingerprint, unsigned char * bytearray) {
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// check length (20 2-character digits ':' or ' ' separated => 20*2+19 = 59)
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if (!sslCheckFingerPrint(fingerprint)) return false;
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// walk the fingerprint
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for (unsigned int i=0; i<20; i++) {
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bytearray[i] = strtol(fingerprint + 3*i, NULL, 16);
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}
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return true;
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}
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bool sslFingerPrintChar(const char * fingerprint, char * destination) {
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// check length (20 2-character digits ':' or ' ' separated => 20*2+19 = 59)
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if (!sslCheckFingerPrint(fingerprint)) return false;
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// copy it
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strncpy(destination, fingerprint, 59);
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// walk the fingerprint replacing ':' for ' '
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for (unsigned char i = 0; i<59; i++) {
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if (destination[i] == ':') destination[i] = ' ';
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}
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return true;
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}
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#endif
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// -----------------------------------------------------------------------------
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// Reset
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// -----------------------------------------------------------------------------
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unsigned char resetReason() {
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static unsigned char status = 255;
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if (status == 255) {
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status = EEPROM.read(EEPROM_CUSTOM_RESET);
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if (status > 0) resetReason(0);
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if (status > CUSTOM_RESET_MAX) status = 0;
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}
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return status;
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}
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void resetReason(unsigned char reason) {
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EEPROM.write(EEPROM_CUSTOM_RESET, reason);
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EEPROM.commit();
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}
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void reset(unsigned char reason) {
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resetReason(reason);
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ESP.restart();
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}
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void deferredReset(unsigned long delay, unsigned char reason) {
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_defer_reset.once_ms(delay, reset, reason);
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}
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// -----------------------------------------------------------------------------
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#if SYSTEM_CHECK_ENABLED
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// Call this method on boot with start=true to increase the crash counter
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// Call it again once the system is stable to decrease the counter
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// If the counter reaches SYSTEM_CHECK_MAX then the system is flagged as unstable
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// setting _systemOK = false;
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//
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// An unstable system will only have serial access, WiFi in AP mode and OTA
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bool _systemStable = true;
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void systemCheck(bool stable) {
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unsigned char value = EEPROM.read(EEPROM_CRASH_COUNTER);
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if (stable) {
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value = 0;
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DEBUG_MSG_P(PSTR("[MAIN] System OK\n"));
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} else {
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if (++value > SYSTEM_CHECK_MAX) {
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_systemStable = false;
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value = 0;
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DEBUG_MSG_P(PSTR("[MAIN] System UNSTABLE\n"));
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}
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}
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EEPROM.write(EEPROM_CRASH_COUNTER, value);
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EEPROM.commit();
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}
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bool systemCheck() {
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return _systemStable;
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}
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void systemCheckLoop() {
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static bool checked = false;
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if (!checked && (millis() > SYSTEM_CHECK_TIME)) {
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// Check system as stable
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systemCheck(true);
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checked = true;
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}
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}
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#endif
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// -----------------------------------------------------------------------------
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char * ltrim(char * s) {
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char *p = s;
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while ((unsigned char) *p == ' ') ++p;
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return p;
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}
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double roundTo(double num, unsigned char positions) {
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double multiplier = 1;
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while (positions-- > 0) multiplier *= 10;
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return round(num * multiplier) / multiplier;
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}
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void nice_delay(unsigned long ms) {
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unsigned long start = millis();
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while (millis() - start < ms) delay(1);
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}
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