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276 lines
7.1 KiB
276 lines
7.1 KiB
/*
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SYSTEM MODULE
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Copyright (C) 2019 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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#include <EEPROM_Rotate.h>
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// -----------------------------------------------------------------------------
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bool _system_send_heartbeat = false;
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unsigned char _heartbeat_mode = HEARTBEAT_MODE;
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unsigned long _heartbeat_interval = HEARTBEAT_INTERVAL;
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// Calculated load average 0 to 100;
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unsigned short int _load_average = 100;
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// -----------------------------------------------------------------------------
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union system_rtcmem_t {
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struct {
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uint8_t stability_counter;
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uint8_t reset_reason;
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uint16_t _reserved_;
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} parts;
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uint32_t value;
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};
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uint8_t systemStabilityCounter() {
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system_rtcmem_t data;
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data.value = Rtcmem->sys;
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return data.parts.stability_counter;
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}
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void systemStabilityCounter(uint8_t counter) {
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system_rtcmem_t data;
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data.value = Rtcmem->sys;
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data.parts.stability_counter = counter;
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Rtcmem->sys = data.value;
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}
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uint8_t _systemResetReason() {
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system_rtcmem_t data;
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data.value = Rtcmem->sys;
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return data.parts.reset_reason;
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}
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void _systemResetReason(uint8_t reason) {
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system_rtcmem_t data;
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data.value = Rtcmem->sys;
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data.parts.reset_reason = reason;
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Rtcmem->sys = data.value;
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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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uint8_t value = 0;
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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 (!rtcmemStatus()) {
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systemStabilityCounter(1);
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return;
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}
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value = systemStabilityCounter();
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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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systemStabilityCounter(value);
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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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// Flag 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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// Reset
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// -----------------------------------------------------------------------------
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Ticker _defer_reset;
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uint8_t _reset_reason = 0;
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// system_get_rst_info() result is cached by the Core init for internal use
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uint32_t systemResetReason() {
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return resetInfo.reason;
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}
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void customResetReason(unsigned char reason) {
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_reset_reason = reason;
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_systemResetReason(reason);
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}
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unsigned char customResetReason() {
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static unsigned char status = 255;
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if (status == 255) {
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if (rtcmemStatus()) status = _systemResetReason();
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if (status > 0) customResetReason(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 reset() {
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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, customResetReason, reason);
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}
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bool checkNeedsReset() {
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return _reset_reason > 0;
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}
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// -----------------------------------------------------------------------------
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void systemSendHeartbeat() {
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_system_send_heartbeat = true;
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}
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bool systemGetHeartbeat() {
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return _system_send_heartbeat;
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}
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unsigned long systemLoadAverage() {
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return _load_average;
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}
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void _systemSetupHeartbeat() {
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_heartbeat_mode = getSetting("hbMode", HEARTBEAT_MODE).toInt();
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_heartbeat_interval = getSetting("hbInterval", HEARTBEAT_INTERVAL).toInt();
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}
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#if WEB_SUPPORT
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bool _systemWebSocketOnReceive(const char * key, JsonVariant& value) {
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if (strncmp(key, "sys", 3) == 0) return true;
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if (strncmp(key, "hb", 2) == 0) return true;
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return false;
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}
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#endif
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void systemLoop() {
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// -------------------------------------------------------------------------
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// User requested reset
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// -------------------------------------------------------------------------
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if (checkNeedsReset()) {
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reset();
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}
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// -------------------------------------------------------------------------
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// Check system stability
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// -------------------------------------------------------------------------
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#if SYSTEM_CHECK_ENABLED
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systemCheckLoop();
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#endif
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// -------------------------------------------------------------------------
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// Heartbeat
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// -------------------------------------------------------------------------
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if (_system_send_heartbeat && _heartbeat_mode == HEARTBEAT_ONCE) {
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heartbeat();
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_system_send_heartbeat = false;
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} else if (_heartbeat_mode == HEARTBEAT_REPEAT || _heartbeat_mode == HEARTBEAT_REPEAT_STATUS) {
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static unsigned long last_hbeat = 0;
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#if NTP_SUPPORT
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if ((_system_send_heartbeat && ntpSynced()) || (millis() - last_hbeat > _heartbeat_interval * 1000)) {
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#else
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if (_system_send_heartbeat || (millis() - last_hbeat > _heartbeat_interval * 1000)) {
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#endif
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last_hbeat = millis();
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heartbeat();
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_system_send_heartbeat = false;
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}
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}
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// -------------------------------------------------------------------------
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// Load Average calculation
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// -------------------------------------------------------------------------
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static unsigned long last_loadcheck = 0;
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static unsigned long load_counter_temp = 0;
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load_counter_temp++;
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if (millis() - last_loadcheck > LOADAVG_INTERVAL) {
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static unsigned long load_counter = 0;
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static unsigned long load_counter_max = 1;
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load_counter = load_counter_temp;
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load_counter_temp = 0;
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if (load_counter > load_counter_max) {
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load_counter_max = load_counter;
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}
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_load_average = 100 - (100 * load_counter / load_counter_max);
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last_loadcheck = millis();
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}
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}
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void _systemSetupSpecificHardware() {
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//The ESPLive has an ADC MUX which needs to be configured.
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#if defined(MANCAVEMADE_ESPLIVE)
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pinMode(16, OUTPUT);
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digitalWrite(16, HIGH); //Defualt CT input (pin B, solder jumper B)
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#endif
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// These devices use the hardware UART
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// to communicate to secondary microcontrollers
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#if (RF_SUPPORT && !RFB_DIRECT) || (RELAY_PROVIDER == RELAY_PROVIDER_DUAL) || (RELAY_PROVIDER == RELAY_PROVIDER_STM)
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Serial.begin(SERIAL_BAUDRATE);
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#endif
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}
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void systemSetup() {
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#if SPIFFS_SUPPORT
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SPIFFS.begin();
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#endif
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// Question system stability
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#if SYSTEM_CHECK_ENABLED
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systemCheck(false);
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#endif
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#if WEB_SUPPORT
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wsOnReceiveRegister(_systemWebSocketOnReceive);
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#endif
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// Init device-specific hardware
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_systemSetupSpecificHardware();
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// Register Loop
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espurnaRegisterLoop(systemLoop);
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// Cache Heartbeat values
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_systemSetupHeartbeat();
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}
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