584 lines
13 KiB
C++
584 lines
13 KiB
C++
/*
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* Stairs lighting
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* Copyright 2017 (c) Mark van Renswoude
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*
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* https://git.x2software.net/pub/Stairs
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*/
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#include <Arduino.h>
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#include <ESP8266WiFi.h>
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#include <ESPAsyncTCP.h>
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#include <ESPAsyncWebServer.h>
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#include <NTPClient.h>
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#include <WiFiUdp.h>
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#include <TimeLib.h>
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extern "C" {
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#include <user_interface.h>
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}
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#include "./config.h"
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#include "./debug.h"
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#include "./global.h"
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#include "./components/PCA9685.h"
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#include "./settings/connection.h"
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#include "./server/static.h"
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#include "./server/settings.h"
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#include "./server/firmware.h"
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#include "./server/api.h"
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ADC_MODE(ADC_VCC);
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// Forward declarations
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void initWiFi();
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void initMotionPins();
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#ifdef SerialDebug
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void wifiEvent(WiFiEvent_t event);
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void updateDebugStatus();
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#endif
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void updateLED();
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void updateNTPClient();
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void checkTriggers();
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void handleNotFound(AsyncWebServerRequest* request);
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AsyncWebServer server(80);
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PCA9685* pwmDriver;
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WiFiUDP ntpUDP;
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NTPClient* ntpClient = nullptr;
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bool accessPoint = false;
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bool stationMode = false;
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bool forceAccessPoint = false;
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uint32_t stationModeStart = 0;
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uint32_t blinkOnTime = 0;
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void setup()
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{
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_dinit();
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currentTime = millis();
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blinkOnTime = currentTime;
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if (!SPIFFS.begin())
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_dln("Setup :: failed to mount file system");
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connectionSettings->read();
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systemSettings->read();
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stepsSettings->read();
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timeTriggerSettings->read();
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motionTriggerSettings->read();
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pinMode(systemSettings->pinAPButton(), INPUT_PULLUP);
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pinMode(systemSettings->pinLEDAP(), OUTPUT);
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pinMode(systemSettings->pinLEDSTA(), OUTPUT);
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initMotionPins();
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_dln("Setup :: initializing PCA9685");
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pwmDriver = new PCA9685();
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pwmDriver->setAddress(systemSettings->pwmDriverAddress(), systemSettings->pinPWMDriverSDA(), systemSettings->pinPWMDriverSCL());
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pwmDriver->setPWMFrequency(systemSettings->pwmDriverFrequency());
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pwmDriver->setAll(0);
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_dln("Setup :: initializing Stairs");
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stairs = new Stairs();
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stairs->init(pwmDriver);
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_dln("Setup :: starting initialization sequence");
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stairs->set(0, 255);
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delay(300);
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uint8_t stepCount = stepsSettings->count();
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for (int step = 1; step < stepCount; step++)
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{
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stairs->set(step - 1, 0);
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stairs->set(step, 255);
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delay(300);
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}
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stairs->set(stepCount - 1, 0);
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_dln("Setup :: initializing WiFi");
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WiFi.persistent(false);
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WiFi.mode(WIFI_OFF);
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#ifdef SerialDebug
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// onEvent is already deprecated, but since I'm only using it
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// for debug purposes we'll see how long it lasts...
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#pragma GCC diagnostic push
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#pragma GCC diagnostic ignored "-Wdeprecated-declarations"
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WiFi.onEvent(wifiEvent);
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_d("WiFi :: MAC address: ");
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_dln(WiFi.macAddress());
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#pragma GCC diagnostic pop
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#endif
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initWiFi();
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_dln("Setup :: registering routes");
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registerStaticRoutes(&server);
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registerSettingsRoutes(&server);
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registerFirmwareRoutes(&server);
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registerAPIRoutes(&server);
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_dln("Setup :: starting HTTP server");
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server.onNotFound(handleNotFound);
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server.begin();
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}
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void loop()
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{
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if (shouldReboot || systemSettingsChanged)
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{
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_dln("Loop :: reboot requested, so long and thanks for all the fish!");
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delay(100);
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ESP.restart();
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}
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if (motionTriggerSettingsChanged)
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{
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initMotionPins();
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motionTriggerSettingsChanged = false;
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}
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currentTime = millis();
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#ifdef SerialDebug
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updateDebugStatus();
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#endif
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if (connectionSettingsChanged)
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{
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_dln("Loop :: connection settings changed");
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initWiFi();
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connectionSettingsChanged = false;
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}
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if (stationModeStart > 0)
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{
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bool isConnected = WiFi.status() == WL_CONNECTED;
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if (isConnected)
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{
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_d("WiFi :: connected, IP address: ");
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_dln(WiFi.localIP());
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stationModeStart = 0;
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}
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else if (stationMode && accessPoint &&
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currentTime - stationModeStart >= StationModeTimeout)
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{
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_dln("WiFi :: unable to connect, switching off station mode, status:");
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_dln(WiFi.status());
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#ifdef SerialDebug
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WiFi.printDiag(Serial);
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#endif
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// Connecting to access point is taking too long and is blocking
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// the access point mode, stop trying
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stationMode = false;
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WiFi.disconnect();
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WiFi.mode(WIFI_AP);
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}
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}
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// TODO check AP button
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updateLED();
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updateNTPClient();
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checkTriggers();
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stairs->tick();
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}
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void initWiFi()
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{
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WiFi.disconnect();
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WiFi.softAPdisconnect();
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accessPoint = connectionSettings->flag(AccessPoint) || forceAccessPoint;
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stationMode = connectionSettings->flag(StationMode) && connectionSettings->ssid() != nullptr;
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WiFi.mode(accessPoint && stationMode ? WIFI_AP_STA :
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accessPoint ? WIFI_AP :
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stationMode ? WIFI_STA :
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WIFI_OFF);
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if (accessPoint)
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{
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_dln("WiFi :: starting access point");
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String ssidString = DefaultAPSSIDPrefix + String(ESP.getChipId(), HEX);
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if (WiFi.softAP((const char *)ssidString.c_str()))
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{
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_d("WiFi :: IP address: ");
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_dln(WiFi.softAPIP());
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}
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else
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_d("WiFi :: failed to start soft access point");
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}
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if (stationMode)
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{
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_d("WiFi :: starting station mode to: ");
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_dln(connectionSettings->ssid());
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stationModeStart = currentTime;
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if (connectionSettings->hostname() != nullptr)
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WiFi.hostname(connectionSettings->hostname());
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if (WiFi.begin(connectionSettings->ssid(), connectionSettings->password()))
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{
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if (connectionSettings->flag(DHCP))
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// I've had the same issue as described here with config(0, 0, 0):
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// https://stackoverflow.com/questions/40069654/how-to-clear-static-ip-configuration-and-start-dhcp
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wifi_station_dhcpc_start();
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else
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WiFi.config(connectionSettings->ip(), connectionSettings->gateway(), connectionSettings->subnetMask());
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}
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else
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_d("WiFi :: failed to start station mode");
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}
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}
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void initMotionPins()
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{
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if (!motionTriggerSettings->enabled())
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return;
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for (uint8_t i = 0; i < motionTriggerSettings->triggerCount(); i++)
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{
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MotionTrigger* trigger = motionTriggerSettings->trigger(i);
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if (trigger->enabled)
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pinMode(trigger->pin, INPUT);
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}
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}
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#ifdef SerialDebug
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void wifiEvent(WiFiEvent_t event)
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{
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switch (event)
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{
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case WIFI_EVENT_STAMODE_CONNECTED:
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_dln("WiFi:: station mode: connected"); break;
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case WIFI_EVENT_STAMODE_DISCONNECTED:
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_dln("WiFi:: station mode: disconnected"); break;
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case WIFI_EVENT_STAMODE_AUTHMODE_CHANGE:
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_dln("WiFi:: station mode: authmode change"); break;
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case WIFI_EVENT_STAMODE_GOT_IP:
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_dln("WiFi:: station mode: got IP");
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_dln(WiFi.localIP());
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break;
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case WIFI_EVENT_STAMODE_DHCP_TIMEOUT:
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_dln("WiFi:: station mode: DHCP timeout"); break;
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case WIFI_EVENT_SOFTAPMODE_STACONNECTED:
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_dln("WiFi:: soft AP mode: station connected"); break;
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case WIFI_EVENT_SOFTAPMODE_STADISCONNECTED:
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_dln("WiFi:: soft AP mode: station disconnected"); break;
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}
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}
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uint32_t debugStatusTime = 0;
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void updateDebugStatus()
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{
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if (currentTime - debugStatusTime < 5000) return;
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debugStatusTime = currentTime;
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_d("Status :: available heap: ");
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_dln(ESP.getFreeHeap());
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if (ntpClient != nullptr)
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{
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_d("Status :: time: ");
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uint32_t time = ntpClient->getEpochTime();
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_d(day(time)); _d("-"); _d(month(time)); _d("-"); _d(year(time)); _d(" ");
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_d(hour(time)); _d(":"); _d(minute(time)); _d(":"); _dln(second(time));
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}
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}
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#endif
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enum LEDState
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{
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Off,
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BlinkLow,
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BlinkHigh,
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On
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};
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bool ledAP = false;
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LEDState ledWiFi = Off;
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void updateLED()
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{
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uint8_t value = (currentTime - blinkOnTime >= 1000) ? LOW : HIGH;
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WiFiMode_t mode = WiFi.getMode();
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if (mode == WIFI_AP_STA || mode == WIFI_AP)
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{
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if (!ledAP)
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{
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digitalWrite(systemSettings->pinLEDAP(), HIGH);
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ledAP = true;
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}
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}
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else
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{
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if (ledAP)
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{
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digitalWrite(systemSettings->pinLEDAP(), LOW);
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ledAP = false;
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}
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}
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if (mode == WIFI_AP_STA || mode == WIFI_STA)
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{
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wl_status_t status = WiFi.status();
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if (status == WL_CONNECTED)
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{
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if (ledWiFi != On)
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{
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digitalWrite(systemSettings->pinLEDSTA(), HIGH);
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ledWiFi = On;
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}
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}
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else
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{
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LEDState expectedState = value == HIGH ? BlinkHigh : BlinkLow;
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if (ledWiFi != expectedState)
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{
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digitalWrite(systemSettings->pinLEDSTA(), value);
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ledWiFi = expectedState;
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}
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}
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}
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else
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{
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if (ledWiFi != Off)
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{
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digitalWrite(systemSettings->pinLEDSTA(), LOW);
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ledWiFi = Off;
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}
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}
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if (currentTime - blinkOnTime >= 2000)
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blinkOnTime = currentTime;
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}
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void updateNTPClient()
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{
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if (ntpClient == nullptr && WiFi.status() == WL_CONNECTED)
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{
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_dln("NTP :: initializing NTP client");
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// TODO make NTP address and refresh interval configurable
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ntpClient = new NTPClient(ntpUDP, "nl.pool.ntp.org", 0, 5 * 60 * 1000);
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ntpClient->begin();
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}
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if (ntpClient != nullptr)
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ntpClient->update();
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}
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uint32_t lastTimeTriggerChecked = 0;
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TimeTrigger* lastTimeTrigger = nullptr;
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TimeTrigger* activeTimeTrigger = nullptr;
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void updateTimeTrigger()
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{
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if (ntpClient == nullptr || !timeTriggerSettings->enabled())
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{
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activeTimeTrigger = nullptr;
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return;
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}
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if (timeTriggerSettingsChanged)
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{
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// Time trigger settings changed, activeTimeTrigger pointer is considered
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// invalid, force recheck
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timeTriggerSettingsChanged = false;
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}
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else if (currentTime - lastTimeTriggerChecked < 10000)
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return;
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lastTimeTriggerChecked = currentTime;
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_dln("Triggers:: updating time trigger");
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uint32_t epochTime = ntpClient->getEpochTime();
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if (epochTime == 0)
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{
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activeTimeTrigger = nullptr;
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_dln("Triggers:: time not synchronised yet");
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return;
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}
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// TODO apply timezone offset
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tmElements_t time;
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breakTime(epochTime, time);
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activeTimeTrigger = timeTriggerSettings->getActiveTrigger(time);
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#ifdef SerialDebug
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_d("Triggers:: active time trigger: ");
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if (activeTimeTrigger != nullptr)
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_dln(activeTimeTrigger->time);
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else
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_dln("null");
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#endif
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}
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uint32_t activeMotionStart = 0;
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uint16_t activeMotionBrightness = 0;
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MotionDirection activeMotionDirection = Nondirectional;
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bool lastMotion = false;
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void updateMotionTrigger()
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{
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if (!motionTriggerSettings->enabled() || !motionTriggerSettings->triggerCount())
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{
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activeMotionStart = 0;
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return;
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}
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for (uint8_t i = 0; i < motionTriggerSettings->triggerCount(); i++)
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{
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MotionTrigger* trigger = motionTriggerSettings->trigger(i);
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if (trigger->enabled && digitalRead(trigger->pin) == HIGH)
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{
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if (activeMotionStart == 0)
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{
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activeMotionDirection = trigger->direction;
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activeMotionBrightness = trigger->brightness;
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}
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activeMotionStart = currentTime;
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}
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}
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if (currentTime - activeMotionStart >= motionTriggerSettings->delay())
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activeMotionStart = 0;
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}
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void checkTriggers()
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{
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if (!timeTriggerSettings->enabled() && activeTimeTrigger == nullptr &&
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!motionTriggerSettings->enabled() && activeMotionStart == 0)
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return;
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updateTimeTrigger();
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updateMotionTrigger();
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bool inTimeTrigger = timeTriggerSettings->enabled() &&
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activeTimeTrigger != nullptr &&
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activeTimeTrigger->brightness;
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bool timeTriggerChanged = activeTimeTrigger != lastTimeTrigger;
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lastTimeTrigger = activeTimeTrigger;
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bool inMotionTrigger = (activeMotionStart > 0) && (!inTimeTrigger || motionTriggerSettings->enabledDuringTimeTrigger());
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bool motionChanged = (activeMotionStart > 0) != lastMotion;
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lastMotion = (activeMotionStart > 0);
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if (!motionChanged && !timeTriggerChanged)
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return;
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if (motionChanged)
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{
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if (inMotionTrigger)
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{
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_dln("Triggers :: start motion trigger");
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if (activeMotionDirection == Nondirectional || motionTriggerSettings->transitionTime() == 0)
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{
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stairs->setAll(activeMotionBrightness, motionTriggerSettings->transitionTime(), 0);
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}
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else
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{
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// Start sweep
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uint8_t stepsCount = stepsSettings->count();
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uint16_t offsetIncrement = stepsCount > 0 ? (motionTriggerSettings->transitionTime() / stepsCount) * 1.5 : 0;
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uint16_t offset = activeMotionDirection == TopDown ? 0 : (stepsCount - 1) * offsetIncrement;
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for (uint8_t step = 0; step < stepsCount; step++)
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{
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stairs->set(step, activeMotionBrightness, motionTriggerSettings->transitionTime(), offset);
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if (activeMotionDirection == TopDown)
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offset += offsetIncrement;
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else
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offset -= offsetIncrement;
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}
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}
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}
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else
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{
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if (inTimeTrigger)
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{
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_dln("Triggers :: motion stopped, falling back to time trigger");
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// Fall back to time trigger value
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stairs->setAll(activeTimeTrigger->brightness, motionTriggerSettings->transitionTime(), 0);
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}
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else
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{
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_dln("Triggers :: motion stopped, turning off");
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// No more motion, no active time trigger, turn off
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stairs->setAll(0, motionTriggerSettings->transitionTime(), 0);
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}
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}
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}
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else if (timeTriggerChanged && !inMotionTrigger)
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{
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_dln("Triggers :: time trigger changed");
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// Set to time trigger value
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stairs->setAll(activeTimeTrigger->brightness, timeTriggerSettings->transitionTime(), 0);
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}
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}
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void handleNotFound(AsyncWebServerRequest *request)
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{
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_d("HTTP :: not found: "); _dln(request->url());
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request->send(404);
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} |