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douglaszuquetodouglaszuqueto
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Atualizando readme
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8 files changed

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‎.gitignore‎

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.vscode

‎README.md‎

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@@ -47,7 +47,14 @@ void setup() {
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makeCache();
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showConfig();
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//
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API_AUTH = API_URL + "/auth";
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API_SEND_DATA = API_URL + "/device/" + device_id;
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//
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requestAccess();
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ticker.detach();
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digitalWrite(LED, LOW);
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void loop() {
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delay(2000);
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sendData();
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yield();
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}
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```
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‎firmware/firmware.ino‎

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/************************** Inclusão das Bibliotecas **************************/
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#include <WiFi.h>
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#include <WebServer.h>
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#include <Ticker.h>
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#include <HTTPClient.h>
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#include <Preferences.h>
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#include <WiFiManager.h>
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/************************* Variaveis globais **********************/
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#define DEBUG true
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#define DEEP_SLEEP false
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#define LED 2
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String API_URL = "http://127.0.0.1:5000/api";
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String API_AUTH = "";
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String API_SEND_DATA = "";
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char device_id[40];
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char device_token[70];
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char client_id[40];
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char token[500];
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bool shouldSaveConfig = false;
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uint32_t sleep_time = 60 * 1000000; // intervalo de 1 minuto
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/**************************** DEBUG *******************************/
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#if DEBUG
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#define DEBUG_PRINTLN(m) Serial.println(m)
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#define DEBUG_PRINT(m) Serial.print(m)
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#else
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#define DEBUG_PRINTLN(m)
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#define DEBUG_PRINT(m)
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#endif
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/************************* Instanciação dos objetos **************************/
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Ticker ticker;
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WiFiClient client;
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HTTPClient http;
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Preferences preferences;
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/************************* Declaração dos Prototypes **************************/
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void initSerial();
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void openStorage();
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void setupWifiManager();
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void requestAccess();
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bool sendData();
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void handleError(int httpCode , String message);
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/********************************** Sketch ************************************/
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void setup() {
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pinMode(LED, OUTPUT);
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ticker.attach(0.3, tick);
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initSerial();
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openStorage();
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setupWifiManager();
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makeCache();
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showConfig();
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//
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API_AUTH = API_URL + "/auth";
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API_SEND_DATA = API_URL + "/device/" + device_id;
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//
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requestAccess();
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ticker.detach();
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digitalWrite(LED, LOW);
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#if DEEP_SLEEP
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sendData();
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closeStorage();
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DEBUG_PRINTLN("[ESP] Sleeping...");
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ESP.deepSleep(sleep_time);
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#endif
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}
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void loop() {
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delay(2000);
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sendData();
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yield();
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}
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‎firmware/http.ino‎

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void handleError(int httpCode , String message ) {
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DEBUG_PRINT("[HTTP] Code: " + String(httpCode));
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DEBUG_PRINTLN(" | Message: " + message);
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if (message == "token_expired") {
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DEBUG_PRINTLN("[HTTP] requesting new token");
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requestAccess();
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}
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}
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void requestAccess() {
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String p;
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p += "{";
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p += "\"id\":";
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p += "\"37e73144-af71-4fde-93ab-98d1d6a6f83f\"";
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p += ",\"password\":";
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p += "\"f7a7329f391bc2a6d3141fb2b867cbdb637fed874aea8ae9c658418817a67ea4\"";
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p += "}";
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http.begin(API_AUTH);
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http.addHeader("content-type", "application/json");
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int httpCode = http.POST(p);
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String response = http.getString();
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http.end();
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if (httpCode != HTTP_CODE_OK) {
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handleError(httpCode, response);
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return;
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}
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setJWTToken(response);
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}
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bool sendData() {
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ticker.attach(0.1, tick);
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String p;
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p += "{";
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p += "\"snr_1\":";
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p += "\"0\"";
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p += ",\"snr_2\":";
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p += "\"0\"";
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p += ",\"snr_3\":";
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p += "\"0\"";
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p += ",\"snr_4\":";
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p += "\"0\"";
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p += ",\"snr_5\":";
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p += "\"0\"";
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p += ",\"snr_6\":";
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p += "\"0\"";
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p += ",\"snr_7\":";
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p += "\"0\"";
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p += ",\"snr_8\":";
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p += "\"0\"";
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p += "}";
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http.begin(API_SEND_DATA);
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http.addHeader("Authorization", token);
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http.addHeader("ClientID", client_id);
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int httpCode = http.POST(p);
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String response = http.getString();
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http.end();
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ticker.detach();
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digitalWrite(LED, LOW);
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if (httpCode != HTTP_CODE_OK) {
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handleError(httpCode, response);
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return false;
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}
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DEBUG_PRINTLN("[HTTP] " + response);
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return true;
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}
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‎firmware/serial.ino‎

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void initSerial() {
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#if DEBUG
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Serial.begin(115200);
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#endif
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}

‎firmware/storage.ino‎

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void openStorage() {
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preferences.begin("esp-32", false);
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}
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void closeStorage() {
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preferences.end();
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}
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/************************* GET **********************/
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void setDeviceToken(String str) {
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preferences.putString("device_token", str);
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}
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void setDeviceID(String str) {
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preferences.putString("device_id", str);
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}
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void setClientID(String str) {
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preferences.putString("client_id", str);
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}
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void setJWTToken(String str) {
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preferences.putString("jwt_token", str);
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strcpy(token, str.c_str());
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DEBUG_PRINTLN("[HTTP] Token: " + String(token));
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}
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/************************* SET **********************/
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String getDeviceID() {
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String str = preferences.getString("device_id");
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return str;
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}
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String getDeviceToken() {
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String str = preferences.getString("device_token");
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return str;
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}
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String getClientID() {
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String str = preferences.getString("client_id");
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return str;
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}
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String getJWTToken() {
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String str = preferences.getString("jwt_token");
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return str;
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}
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void loadJWTToken() {
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strcpy(token, getJWTToken().c_str());
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}
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void makeCache() {
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strcpy(device_id, getDeviceID().c_str());
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strcpy(device_token, getDeviceToken().c_str());
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strcpy(client_id, getClientID().c_str());
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loadJWTToken();
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}
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void showConfig() {
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DEBUG_PRINTLN("[CONFIG] API: " + API_URL);
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DEBUG_PRINTLN("[CONFIG] DeviceID: " + String(device_id));
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DEBUG_PRINTLN("[CONFIG] DeviceToken: " + String(device_token));
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DEBUG_PRINTLN("[CONFIG] ClientID: " + String(client_id));
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}
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‎firmware/wifi.ino‎

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void tick()
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{
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int state = digitalRead(LED);
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digitalWrite(LED, !state);
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}

‎firmware/wifimanager.ino‎

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void configModeCallback (WiFiManager *myWiFiManager) {
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ticker.attach(0.2, tick);
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}
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void saveConfigCallback () {
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DEBUG_PRINTLN("Should save config");
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shouldSaveConfig = true;
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}
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void setupWifiManager () {
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WiFiManagerParameter custom_device_id("device_id", "DeviceID", device_id, 40);
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WiFiManagerParameter custom_device_token("device_token", "DeviceToken", device_token, 70);
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WiFiManagerParameter custom_client_id("client_id", "ClientID", client_id, 40);
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WiFiManager wifiManager;
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wifiManager.setSaveConfigCallback(saveConfigCallback);
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wifiManager.setAPCallback(configModeCallback);
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wifiManager.addParameter(&custom_device_id);
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wifiManager.addParameter(&custom_device_token);
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wifiManager.addParameter(&custom_client_id);
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if (!wifiManager.autoConnect("ESP-32")) {
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DEBUG_PRINTLN("failed to connect and hit timeout");
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delay(3000);
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ESP.restart();
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delay(5000);
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}
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DEBUG_PRINTLN("[WIFI] Connected");
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strcpy(device_id, custom_device_id.getValue());
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strcpy(device_token, custom_device_token.getValue());
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strcpy(client_id, custom_client_id.getValue());
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if (shouldSaveConfig) {
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DEBUG_PRINTLN("saving config");
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DEBUG_PRINTLN("DeviceID" + String(device_id));
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DEBUG_PRINTLN("DeviceToken" + String(device_token));
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DEBUG_PRINTLN("ClientID" + String(client_id));
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setDeviceID(device_id);
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setDeviceToken(device_token);
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setClientID(client_id);
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}
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DEBUG_PRINT("[WIFI] IP: ");
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DEBUG_PRINTLN(WiFi.localIP());
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}
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