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Lomanic/sonoff_s20_wifimanager_with_custom_settings_and_led_status_and_reset_button_and_aruinoota_and_matrix_message.ino Secret
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September 28, 2019 14:56
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#include <FS.h> //this needs to be first, or it all crashes and burns... | |
#include <ESP8266WiFi.h> //https://github.com/esp8266/Arduino | |
//needed for library | |
#include <DNSServer.h> | |
#include <ESP8266WebServer.h> | |
#include <WiFiManager.h> //https://github.com/tzapu/WiFiManager | |
#include <ArduinoJson.h> //https://github.com/bblanchon/ArduinoJson | |
#include <ArduinoOTA.h> //https://tttapa.github.io/ESP8266/Chap13%20-%20OTA.html | |
//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// | |
#include <ESP8266HTTPClient.h> // for https://github.com/matt-williams/matrix-esp8266/blob/master/matrix-esp8266.ino | |
HTTPClient http; | |
String accessToken; | |
String lastMessageToken; | |
String createLoginBody(String user, String password) { | |
String buffer; | |
StaticJsonDocument<1000> jsonBuffer; | |
//JsonObject& root = jsonBuffer.createObject(); | |
jsonBuffer["type"] = "m.login.password"; | |
jsonBuffer["user"] = user; | |
jsonBuffer["password"] = password; | |
jsonBuffer["identifier"]["type"] = "m.id.user"; | |
jsonBuffer["identifier"]["user"] = user; | |
serializeJson(jsonBuffer, buffer); | |
return buffer; | |
} | |
String createMessageBody(String message) { | |
String buffer; | |
StaticJsonDocument<1000> jsonBuffer; | |
jsonBuffer["msgtype"] = "m.text"; | |
jsonBuffer["body"] = message; | |
serializeJson(jsonBuffer, buffer); | |
return buffer; | |
} | |
bool login(String user, String password) { | |
bool success = false; | |
String buffer; | |
buffer = createLoginBody(user, password); | |
String url = "http://corsanywhere.glitch.me/https://matrix.fuz.re/_matrix/client/r0/login"; | |
// Serial.printf("POST %s\n", url.c_str()); | |
http.begin(url); | |
http.addHeader("Content-Type", "application/json"); | |
int rc = http.POST(buffer); | |
Serial.printf("buffer %s\n", buffer.c_str()); | |
if (rc > 0) { | |
Serial.printf("Login return code %d\n", rc); | |
if (rc == HTTP_CODE_OK) { | |
String body = http.getString(); | |
StaticJsonDocument<1000> jsonBuffer; | |
deserializeJson(jsonBuffer, body); | |
String myAccessToken = jsonBuffer["access_token"]; | |
accessToken = String(myAccessToken.c_str()); | |
Serial.println(accessToken); | |
success = true; | |
} | |
} else { | |
Serial.printf("Error: %s\n", http.errorToString(rc).c_str()); | |
} | |
return success; | |
} | |
bool sendMessage(String roomId, String message) { | |
bool success = false; | |
String buffer; | |
buffer = createMessageBody(message); | |
String url = "http://corsanywhere.glitch.me/https://matrix.fuz.re/_matrix/client/r0/rooms/" + roomId + "/send/m.room.message/" + String(millis()) + "?access_token=" + accessToken + "&limit=1"; | |
Serial.printf("PUT %s\n", url.c_str()); | |
http.begin(url); | |
int rc = http.sendRequest("PUT", buffer); | |
if (rc > 0) { | |
// Serial.printf("%d\n", rc); | |
if (rc == HTTP_CODE_OK) { | |
success = true; | |
} | |
} else { | |
Serial.printf("Error: %s\n", http.errorToString(rc).c_str()); | |
} | |
return success; | |
} | |
//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// | |
//for LED status | |
#include <Ticker.h> | |
Ticker ticker; | |
const byte LED_PIN = 2; // 13 for Sonoff S20, 2 for NodeMCU/ESP12 internal LED | |
const byte BUTTON_PIN = 0; | |
void tick() | |
{ | |
//toggle state | |
int state = digitalRead(LED_PIN); // get the current state of LED_PIN pin | |
digitalWrite(LED_PIN, !state); // set pin to the opposite state | |
} | |
//gets called when WiFiManager enters configuration mode (for LED status) | |
void configModeCallback (WiFiManager *myWiFiManager) { | |
Serial.println("Entered config mode"); | |
Serial.println(WiFi.softAPIP()); | |
//if you used auto generated SSID, print it | |
Serial.println(myWiFiManager->getConfigPortalSSID()); | |
//entered config mode, make led toggle faster | |
ticker.attach(0.2, tick); | |
} | |
//define your default values here, if there are different values in config.json, they are overwritten. | |
char matrixUsername[50]; | |
char matrixPassword[50]; | |
char matrixRoom[200] = "!ppCFWxNWJeGbyoNZVw:matrix.fuz.re"; // #entropy:matrix.fuz.re | |
char matrixMessage[500] = "Test from esp8266"; | |
//flag for saving data | |
bool shouldSaveConfig = false; | |
//callback notifying us of the need to save config | |
void saveConfigCallback () { | |
Serial.println(F("Should save config")); | |
shouldSaveConfig = true; | |
} | |
WiFiManager wifiManager; | |
void setup() { | |
// put your setup code here, to run once: | |
Serial.begin(115200); | |
Serial.println(); | |
//set led pin as output | |
pinMode(LED_PIN, OUTPUT); | |
// start ticker with 0.5 because we start in AP mode and try to connect | |
ticker.attach(0.6, tick); | |
pinMode(BUTTON_PIN, INPUT); | |
//clean FS, for testing | |
//SPIFFS.format(); | |
//show SPIFFS info for debug | |
//FSInfo fs_info; | |
//SPIFFS.info(fs_info); | |
//Serial.printf("SPIFFS: totalBytes: %u\n", fs_info.totalBytes); | |
//Serial.printf("SPIFFS: usedBytes : %u\n", fs_info.usedBytes); | |
//Serial.printf("SPIFFS: blockSize : %u\n", fs_info.blockSize); | |
//Serial.printf("SPIFFS: pageSize : %u\n", fs_info.pageSize); | |
//Serial.printf("SPIFFS: maxOpenFiles: %u\n", fs_info.maxOpenFiles); | |
//Serial.printf("SPIFFS: maxPathLength : %u\n", fs_info.maxPathLength); | |
//read configuration from FS json | |
Serial.println(F("mounting FS...")); | |
if (SPIFFS.begin()) { | |
Serial.println(F("mounted file system")); | |
if (SPIFFS.exists("/config.json")) { | |
//file exists, reading and loading | |
Serial.println(F("reading config file")); | |
File configFile = SPIFFS.open("/config.json", "r"); | |
if (configFile) { | |
Serial.println(F("opened config file")); | |
size_t size = configFile.size(); | |
// Allocate a buffer to store contents of the file. | |
std::unique_ptr<char[]> buf(new char[size]); | |
configFile.readBytes(buf.get(), size); | |
StaticJsonDocument<1000> jsonBuffer; | |
auto error = deserializeJson(jsonBuffer, buf.get()); | |
if (error) { | |
Serial.print(F("deserializeJson() failed with code ")); | |
Serial.println(error.c_str()); | |
return; | |
} else { | |
Serial.println(F("deserializeJson() successful:")); | |
serializeJsonPretty(jsonBuffer, Serial); | |
Serial.println(); | |
strcpy(matrixUsername, jsonBuffer["matrixUsername"]); | |
strcpy(matrixPassword, jsonBuffer["matrixPassword"]); | |
strcpy(matrixRoom, jsonBuffer["matrixRoom"]); | |
strcpy(matrixMessage, jsonBuffer["matrixMessage"]); | |
} | |
configFile.close(); | |
} | |
} | |
} else { | |
Serial.println(F("failed to mount FS")); | |
} | |
//end read | |
// The extra parameters to be configured (can be either global or just in the setup) | |
// After connecting, parameter.getValue() will get you the configured value | |
// id/name placeholder/prompt default length | |
WiFiManagerParameter customMatrixUsername("Matrix username", "Matrix username", matrixUsername, 50); | |
WiFiManagerParameter customMatrixPassword("Matrix password", "Matrix password", matrixPassword, 50); | |
WiFiManagerParameter customMatrixRoom("Matrix room", "Matrix room", matrixRoom, 200); | |
WiFiManagerParameter customMatrixMessage("Matrix message", "Matrix message", matrixMessage, 500); | |
//WiFiManager | |
//Local intialization. Once its business is done, there is no need to keep it around | |
//WiFiManager wifiManager; | |
//reset settings - for testing | |
//wifiManager.resetSettings(); | |
//set callback that gets called when connecting to previous WiFi fails, and enters Access Point mode (for status LED) | |
wifiManager.setAPCallback(configModeCallback); | |
//set config save notify callback | |
wifiManager.setSaveConfigCallback(saveConfigCallback); | |
//add all your parameters here | |
wifiManager.addParameter(&customMatrixUsername); | |
wifiManager.addParameter(&customMatrixPassword); | |
wifiManager.addParameter(&customMatrixRoom); | |
wifiManager.addParameter(&customMatrixMessage); | |
//reset settings - for testing | |
//wifiManager.resetSettings(); | |
//set minimu quality of signal so it ignores AP's under that quality | |
//defaults to 8% | |
//wifiManager.setMinimumSignalQuality(); | |
//sets timeout until configuration portal gets turned off | |
//useful to make it all retry or go to sleep | |
//in seconds | |
//wifiManager.setTimeout(120); | |
//fetches ssid and pass and tries to connect | |
//if it does not connect it starts an access point with the specified name | |
//here "AutoConnectAP" | |
//and goes into a blocking loop awaiting configuration | |
if (!wifiManager.autoConnect()) { | |
Serial.println(F("failed to connect and hit timeout")); | |
delay(3000); | |
//reset and try again, or maybe put it to deep sleep | |
ESP.reset(); | |
delay(5000); | |
} | |
//if you get here you have connected to the WiFi | |
Serial.println(F("connected...yeey :)")); | |
ticker.detach(); | |
//keep LED on | |
digitalWrite(LED_PIN, LOW); | |
//read updated parameters | |
strcpy(matrixUsername, customMatrixUsername.getValue()); | |
strcpy(matrixPassword, customMatrixPassword.getValue()); | |
strcpy(matrixRoom, customMatrixRoom.getValue()); | |
strcpy(matrixMessage, customMatrixMessage.getValue()); | |
//save the custom parameters to FS | |
if (shouldSaveConfig) { | |
Serial.println(F("saving config")); | |
StaticJsonDocument<1000> jsonBuffer; | |
jsonBuffer["matrixUsername"] = matrixUsername; | |
jsonBuffer["matrixPassword"] = matrixPassword; | |
jsonBuffer["matrixRoom"] = matrixRoom; | |
jsonBuffer["matrixMessage"] = matrixMessage; | |
File configFile = SPIFFS.open("/config.json", "w"); | |
if (!configFile) { | |
Serial.println(F("failed to open config file for writing")); | |
} | |
serializeJson(jsonBuffer, Serial); | |
Serial.println(); | |
serializeJson(jsonBuffer, configFile); | |
configFile.close(); | |
//end save | |
} | |
Serial.println(F("local ip:")); | |
Serial.println(WiFi.localIP()); | |
http.setReuse(true); | |
if (login(matrixUsername, matrixPassword)) { | |
Serial.println(F("Sucessfully athenticated")); | |
sendMessage(matrixRoom, matrixMessage); | |
} | |
//OTA handling | |
ArduinoOTA.setHostname("presence button"); | |
ArduinoOTA.setPassword(matrixPassword); | |
ArduinoOTA.onStart([]() { | |
Serial.println("Start"); | |
}); | |
ArduinoOTA.onEnd([]() { | |
Serial.println("\nEnd"); | |
}); | |
ArduinoOTA.onProgress([](unsigned int progress, unsigned int total) { | |
Serial.printf("Progress: %u%%\r", (progress / (total / 100))); | |
}); | |
ArduinoOTA.onError([](ota_error_t error) { | |
Serial.printf("Error[%u]: ", error); | |
if (error == OTA_AUTH_ERROR) Serial.println("Auth Failed"); | |
else if (error == OTA_BEGIN_ERROR) Serial.println("Begin Failed"); | |
else if (error == OTA_CONNECT_ERROR) Serial.println("Connect Failed"); | |
else if (error == OTA_RECEIVE_ERROR) Serial.println("Receive Failed"); | |
else if (error == OTA_END_ERROR) Serial.println("End Failed"); | |
}); | |
ArduinoOTA.begin(); | |
Serial.println("OTA ready"); | |
} | |
bool button_state = 0; | |
void loop() { | |
ArduinoOTA.handle(); | |
button_state = digitalRead(BUTTON_PIN); | |
if (button_state == 0) { | |
wifiManager.resetSettings(); | |
SPIFFS.format(); | |
delay(500); | |
ESP.reset(); | |
} | |
} |
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