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172 lines
4.5 KiB
172 lines
4.5 KiB
/*
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SYSTEM MODULE
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Copyright (C) 2018 by Xose Pérez <xose dot perez at gmail dot com>
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*/
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#include <EEPROM.h>
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// -----------------------------------------------------------------------------
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unsigned long _loop_delay = 0;
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bool _system_send_heartbeat = false;
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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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#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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void systemSendHeartbeat() {
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_system_send_heartbeat = true;
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}
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unsigned long systemLoopDelay() {
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return _loop_delay;
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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 systemLoop() {
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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 HEARTBEAT_ENABLED
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// Heartbeat
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static unsigned long last_hbeat = 0;
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if (_system_send_heartbeat || (last_hbeat == 0) || (millis() - last_hbeat > HEARTBEAT_INTERVAL)) {
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_system_send_heartbeat = false;
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last_hbeat = millis();
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heartbeat();
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}
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#endif // HEARTBEAT_ENABLED
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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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// Power saving delay
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// -------------------------------------------------------------------------
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delay(_loop_delay);
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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 defined(ITEAD_SONOFF_RFBRIDGE) || defined(ITEAD_SONOFF_DUAL) || defined(STM_RELAY)
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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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EEPROM.begin(EEPROM_SIZE);
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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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// Init device-specific hardware
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_systemSetupSpecificHardware();
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// Cache loop delay value to speed things (recommended max 250ms)
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_loop_delay = atol(getSetting("loopDelay", LOOP_DELAY_TIME).c_str());
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_loop_delay = constrain(_loop_delay, 0, 300);
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// Register Loop
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espurnaRegisterLoop(systemLoop);
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}
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