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https://github.com/Lomanic/presence-button
synced 2024-10-31 19:17:29 +00:00
Define customizable settings in WifiManager written to SPIFFS
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README.md
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12
README.md
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# Presence button
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Project notifying that the Hackerspace is open/closed on different channels (Matrix, Fuz.re homepage), while respecting the privacy of attendants.
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More info on [Fuz wiki](https://wiki.fuz.re/doku.php?id=projets:fuz:presence_button).
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## Dependencies
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Developped with the Arduino IDE, the script relies on the following third-party libraries:
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* https://arduinojson.org/ v6
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* https://github.com/tzapu/WiFiManager
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144
main.ino
144
main.ino
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#include <FS.h> //this needs to be first, or it all crashes and burns...
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#include <ESP8266WiFi.h> //https://github.com/esp8266/Arduino
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#include <ESP8266WiFi.h> //https://github.com/esp8266/Arduino
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//needed for library
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//needed for library
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@ -5,6 +7,9 @@
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#include <ESP8266WebServer.h>
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#include <ESP8266WebServer.h>
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#include <WiFiManager.h> //https://github.com/tzapu/WiFiManager
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#include <WiFiManager.h> //https://github.com/tzapu/WiFiManager
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#include <ArduinoJson.h> //https://github.com/bblanchon/ArduinoJson
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//for LED status
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//for LED status
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#include <Ticker.h>
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#include <Ticker.h>
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Ticker ticker;
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Ticker ticker;
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@ -19,7 +24,7 @@ void tick()
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digitalWrite(LED_PIN, !state); // set pin to the opposite state
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digitalWrite(LED_PIN, !state); // set pin to the opposite state
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}
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}
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//gets called when WiFiManager enters configuration mode
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//gets called when WiFiManager enters configuration mode (for LED status)
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void configModeCallback (WiFiManager *myWiFiManager) {
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void configModeCallback (WiFiManager *myWiFiManager) {
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Serial.println("Entered config mode");
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Serial.println("Entered config mode");
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Serial.println(WiFi.softAPIP());
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Serial.println(WiFi.softAPIP());
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@ -29,10 +34,28 @@ void configModeCallback (WiFiManager *myWiFiManager) {
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ticker.attach(0.2, tick);
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ticker.attach(0.2, tick);
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}
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}
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//define your default values here, if there are different values in config.json, they are overwritten.
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char matrixUsername[50];
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char matrixPassword[50];
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char matrixRoom[200] = "!ppCFWxNWJeGbyoNZVw:matrix.fuz.re"; // #entropy:matrix.fuz.re
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char matrixMessage[500] = "Test";
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//flag for saving data
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bool shouldSaveConfig = false;
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//callback notifying us of the need to save config
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void saveConfigCallback () {
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Serial.println(F("Should save config"));
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shouldSaveConfig = true;
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}
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WiFiManager wifiManager;
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WiFiManager wifiManager;
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void setup() {
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void setup() {
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// put your setup code here, to run once:
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// put your setup code here, to run once:
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Serial.begin(115200);
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Serial.begin(115200);
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Serial.println();
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//set led pin as output
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//set led pin as output
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pinMode(LED_PIN, OUTPUT);
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pinMode(LED_PIN, OUTPUT);
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@ -41,31 +64,141 @@ void setup() {
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pinMode(BUTTON_PIN, INPUT);
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pinMode(BUTTON_PIN, INPUT);
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//clean FS, for testing
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//SPIFFS.format();
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//read configuration from FS json
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Serial.println(F("mounting FS..."));
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if (SPIFFS.begin()) {
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Serial.println(F("mounted file system"));
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if (SPIFFS.exists("/config.json")) {
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//file exists, reading and loading
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Serial.println(F("reading config file"));
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File configFile = SPIFFS.open("/config.json", "r");
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if (configFile) {
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Serial.println(F("opened config file"));
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size_t size = configFile.size();
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// Allocate a buffer to store contents of the file.
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std::unique_ptr<char[]> buf(new char[size]);
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configFile.readBytes(buf.get(), size);
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StaticJsonDocument<800> jsonBuffer;
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auto error = deserializeJson(jsonBuffer, buf.get());
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if (error) {
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Serial.print(F("deserializeJson() failed with code "));
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Serial.println(error.c_str());
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return;
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} else {
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Serial.println(F("deserializeJson() successful:"));
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serializeJsonPretty(jsonBuffer, Serial);
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Serial.println();
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strcpy(matrixUsername, jsonBuffer["matrixUsername"]);
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strcpy(matrixPassword, jsonBuffer["matrixPassword"]);
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strcpy(matrixRoom, jsonBuffer["matrixRoom"]);
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strcpy(matrixMessage, jsonBuffer["matrixMessage"]);
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}
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configFile.close();
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}
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}
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} else {
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Serial.println(F("failed to mount FS"));
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}
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//end read
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// The extra parameters to be configured (can be either global or just in the setup)
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// After connecting, parameter.getValue() will get you the configured value
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// id/name placeholder/prompt default length
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WiFiManagerParameter customMatrixUsername("Matrix username", "Matrix username", matrixUsername, 50);
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WiFiManagerParameter customMatrixPassword("Matrix password", "Matrix password", matrixPassword, 50);
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WiFiManagerParameter customMatrixRoom("Matrix room", "Matrix room", matrixRoom, 200);
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WiFiManagerParameter customMatrixMessage("Matrix message", "Matrix message", matrixMessage, 500);
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//WiFiManager
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//WiFiManager
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//Local intialization. Once its business is done, there is no need to keep it around
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//Local intialization. Once its business is done, there is no need to keep it around
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//WiFiManager wifiManager;
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//WiFiManager wifiManager;
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//reset settings - for testing
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//reset settings - for testing
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//wifiManager.resetSettings();
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//wifiManager.resetSettings();
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//set callback that gets called when connecting to previous WiFi fails, and enters Access Point mode
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//set callback that gets called when connecting to previous WiFi fails, and enters Access Point mode (for status LED)
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wifiManager.setAPCallback(configModeCallback);
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wifiManager.setAPCallback(configModeCallback);
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//set config save notify callback
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wifiManager.setSaveConfigCallback(saveConfigCallback);
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//set static ip
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// wifiManager.setSTAStaticIPConfig(IPAddress(10,0,1,99), IPAddress(10,0,1,1), IPAddress(255,255,255,0));
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//add all your parameters here
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wifiManager.addParameter(&customMatrixUsername);
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wifiManager.addParameter(&customMatrixPassword);
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wifiManager.addParameter(&customMatrixRoom);
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wifiManager.addParameter(&customMatrixMessage);
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//reset settings - for testing
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//wifiManager.resetSettings();
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//set minimu quality of signal so it ignores AP's under that quality
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//defaults to 8%
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//wifiManager.setMinimumSignalQuality();
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//sets timeout until configuration portal gets turned off
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//useful to make it all retry or go to sleep
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//in seconds
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//wifiManager.setTimeout(120);
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//fetches ssid and pass and tries to connect
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//fetches ssid and pass and tries to connect
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//if it does not connect it starts an access point with the specified name
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//if it does not connect it starts an access point with the specified name
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//here "AutoConnectAP"
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//here "AutoConnectAP"
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//and goes into a blocking loop awaiting configuration
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//and goes into a blocking loop awaiting configuration
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if (!wifiManager.autoConnect()) {
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if (!wifiManager.autoConnect()) {
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Serial.println("failed to connect and hit timeout");
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Serial.println(F("failed to connect and hit timeout"));
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delay(3000);
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//reset and try again, or maybe put it to deep sleep
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//reset and try again, or maybe put it to deep sleep
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ESP.reset();
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ESP.reset();
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delay(1000);
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delay(5000);
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}
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}
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//if you get here you have connected to the WiFi
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//if you get here you have connected to the WiFi
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Serial.println("connected...yeey :)");
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Serial.println(F("connected...yeey :)"));
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ticker.detach();
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ticker.detach();
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//keep LED on
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//keep LED on
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digitalWrite(LED_PIN, LOW);
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digitalWrite(LED_PIN, LOW);
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//read updated parameters
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strcpy(matrixUsername, customMatrixUsername.getValue());
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strcpy(matrixPassword, customMatrixPassword.getValue());
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strcpy(matrixRoom, customMatrixRoom.getValue());
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strcpy(matrixMessage, customMatrixMessage.getValue());
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//save the custom parameters to FS
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if (shouldSaveConfig) {
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Serial.println(F("saving config"));
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StaticJsonDocument<800> jsonBuffer;
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jsonBuffer["matrixUsername"] = matrixUsername;
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jsonBuffer["matrixPassword"] = matrixPassword;
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jsonBuffer["matrixRoom"] = matrixRoom;
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jsonBuffer["matrixMessage"] = matrixMessage;
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File configFile = SPIFFS.open("/config.json", "w");
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if (!configFile) {
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Serial.println(F("failed to open config file for writing"));
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}
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serializeJson(jsonBuffer, Serial);
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Serial.println();
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serializeJson(jsonBuffer, configFile);
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configFile.close();
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//end save
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}
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Serial.println(F("local ip:"));
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Serial.println(WiFi.localIP());
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}
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}
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bool button_state = 0;
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bool button_state = 0;
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@ -74,6 +207,7 @@ void loop() {
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button_state = digitalRead(BUTTON_PIN);
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button_state = digitalRead(BUTTON_PIN);
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if (button_state == 0) {
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if (button_state == 0) {
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wifiManager.resetSettings();
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wifiManager.resetSettings();
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delay(500);
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ESP.reset();
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ESP.reset();
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}
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}
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}
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}
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