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main.cpp
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329 lines (276 loc) · 7.71 KB
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#include <HardwareSerial.h>
#include <HTTPClient.h>
#include <TinyGPS++.h>
#include <WiFi.h>
#include <ArduinoJson.h>
#include <ESPTelnet.h>
#define RXD2 16
#define TXD2 17
#define GPS_BAUD 9600
const long SEND_INTERVAL_MS = 2000;
bool isSendingActive = true;
const char ssid[] PROGMEM = "YOUR_WIFI_SSID";
const char password[] PROGMEM = "YOUR_WIFI_PASSWORD";
const char ssid_ap[] PROGMEM = "YOUR_HOTSPOT_SSID";
const char password_ap[] PROGMEM = "YOUR_HOTSPOT_PASSWORD";
String busId = "bus_02";
const char api_route[] PROGMEM = "https://busstop-b9ov.onrender.com/locations";
const char api_latest[] PROGMEM = "https://busstop-b9ov.onrender.com/locations/last";
enum OperationMode
{
MODE_ROUTE_TRACKING,
MODE_LATEST_LOCATION
};
OperationMode currentMode = MODE_ROUTE_TRACKING;
ESPTelnet telnet;
TinyGPSPlus gps;
HardwareSerial gpsSerial(2);
unsigned long lastSendTime = 0;
void onTelnetConnect(String ip)
{
Serial.print("Telnet: Cliente conectado de ");
Serial.println(ip);
telnet.println("\nBem-vindo ao Monitor Serial Remoto do ESP32!");
String mode = (currentMode == MODE_ROUTE_TRACKING) ? "RASTREIO DE ROTA" : "ULTIMA LOCALIZACAO";
telnet.print("Modo Atual: ");
telnet.println(mode);
telnet.print("ID do Onibus: ");
telnet.println(busId);
telnet.println("Comandos disponiveis:");
telnet.println(" m - Alternar modo entre RASTREIO DE ROTA e ULTIMA LOCALIZACAO");
telnet.println(" status - Exibir o modo atual");
telnet.println("id <n> - Definir o ID do onibus para <n> (exemplo: id 5 define o ID como bus_05)");
telnet.println(" s - Parar o envio de localizacao");
telnet.println("------------------------------");
}
void onTelnetDisconnect(String ip)
{
Serial.print("Telnet: Cliente desconectado de ");
Serial.println(ip);
}
void toggleMode()
{
if (currentMode == MODE_ROUTE_TRACKING)
{
currentMode = MODE_LATEST_LOCATION;
telnet.println("\n*** MODO ALTERADO: ULTIMA LOCALIZACAO ***");
Serial.println("\n*** MODO ALTERADO: ULTIMA LOCALIZACAO ***");
}
else
{
currentMode = MODE_ROUTE_TRACKING;
telnet.println("\n*** MODO ALTERADO: RASTREIO DE ROTA ***");
Serial.println("\n*** MODO ALTERADO: RASTREIO DE ROTA ***");
}
}
void setBusId(String idNumber)
{
idNumber.trim();
if (idNumber.length() == 1)
{
idNumber = "0" + idNumber;
}
busId = "bus_" + idNumber;
telnet.println("\n*** ID DO ONIBUS ALTERADO ***");
telnet.print("Novo ID: ");
telnet.println(busId);
Serial.println("\n*** ID DO ONIBUS ALTERADO ***");
Serial.print("Novo ID: ");
Serial.println(busId);
}
void toggleSending()
{
isSendingActive = !isSendingActive;
if (isSendingActive)
{
telnet.println("\n*** ENVIO REATIVADO ***");
Serial.println("\n*** ENVIO REATIVADO ***");
}
else
{
telnet.println("\n*** ENVIO PAUSADO ***");
Serial.println("\n*** ENVIO PAUSADO ***");
}
}
void connectWiFi()
{
const unsigned long MAX_ATTEMPT_TIME = 10000;
telnet.println("Tentando conectar ao Access Point do celular...");
Serial.println("Tentando conectar ao Access Point do celular...");
WiFi.begin(ssid_ap, password_ap);
unsigned long startAttemptTime = millis();
while (WiFi.status() != WL_CONNECTED && millis() - startAttemptTime < MAX_ATTEMPT_TIME)
{
delay(500);
telnet.print(".");
Serial.print(".");
}
if (WiFi.status() == WL_CONNECTED)
{
telnet.println("\nConectado ao Access Point!");
telnet.print("Endereco IP: ");
telnet.println(WiFi.localIP());
Serial.println("\nConectado ao Access Point!");
Serial.print("Endereco IP: ");
Serial.println(WiFi.localIP());
return;
}
telnet.println("\nFalha ao conectar ao Access Point, tentando WiFi principal...");
Serial.println("\nFalha ao conectar ao Access Point, tentando WiFi principal...");
WiFi.begin(ssid, password);
startAttemptTime = millis();
while (WiFi.status() != WL_CONNECTED && millis() - startAttemptTime < MAX_ATTEMPT_TIME)
{
delay(500);
telnet.print(".");
Serial.print(".");
}
if (WiFi.status() == WL_CONNECTED)
{
telnet.println("\nConcetado ao WiFi principal!");
telnet.print("Endereço IP: ");
telnet.println(WiFi.localIP());
Serial.println("\nConectado ao WiFi principal!");
Serial.print("Endereco IP: ");
Serial.println(WiFi.localIP());
}
else
{
telnet.println("\nFalha ao conectar a qualquer rede WiFi.");
Serial.println("\nFalha ao conectar a qualquer rede WiFi.");
}
}
void sendLocationToAPI()
{
if (!isSendingActive)
{
return;
}
if (!gps.location.isValid())
{
telnet.println("Aviso: Localizacao GPS invalida ou nao estabelecida. Pulando envio.");
Serial.println("Aviso: Localizacao GPS invalida ou nao estabelecida. Pulando envio.");
return;
}
const char *targetApi;
if (currentMode == MODE_ROUTE_TRACKING)
{
targetApi = api_route;
telnet.println("MODO: Rastreio de Rota");
}
else
{
targetApi = api_latest;
telnet.println("MODO: Ultima Localizacao");
}
JsonDocument doc;
doc["busId"] = busId;
doc["latitude"] = gps.location.lat();
doc["longitude"] = gps.location.lng();
String jsonPayload;
serializeJson(doc, jsonPayload);
telnet.println(jsonPayload);
Serial.println(jsonPayload);
HTTPClient http;
http.setConnectTimeout(5000);
http.setTimeout(10000);
http.begin(targetApi);
http.addHeader("Content-Type", "application/json");
int httpResponseCode = http.POST(jsonPayload);
if (httpResponseCode > 0)
{
telnet.print("Resposta da API (");
telnet.print(httpResponseCode);
telnet.print("): ");
telnet.println(http.getString());
Serial.print("Resposta da API (");
Serial.print(httpResponseCode);
Serial.print("): ");
Serial.println(http.getString());
}
else
{
telnet.print("Erro na requisicao HTTP. Codigo: ");
telnet.println(httpResponseCode);
Serial.print("Erro na requisicao HTTP. Codigo: ");
Serial.println(httpResponseCode);
}
http.end();
telnet.println("---");
Serial.println("---");
}
void setup()
{
Serial.begin(115200);
gpsSerial.begin(GPS_BAUD, SERIAL_8N1, RXD2, TXD2);
telnet.println("Iniciando GPS com TinyGPS++..");
Serial.println("Iniciando GPS com TinyGPS++...");
telnet.onInputReceived([](String str)
{
str.trim();
str.toLowerCase();
if (str == "m")
{
toggleMode();
}
else if (str == "s")
{
toggleSending();
if (!isSendingActive) telnet.println("Envio pausado. Digite 's' para reativar.");
}
else if (str == "status")
{
String mode = (currentMode == MODE_ROUTE_TRACKING) ? "RASTREIO DE ROTA" : "ULTIMA LOCALIZACAO";
telnet.print("Modo Atual: ");
telnet.println(mode);
telnet.print("ID Atual: ");
telnet.println(busId);
}
else if (str.startsWith("id "))
{
String numberPart = str.substring(3);
numberPart.trim();
if (numberPart.length() > 0)
{
setBusId(numberPart);
}
else
{
telnet.println("Erro: Use o formato 'id <numero>'. Ex: id 03");
}
} });
connectWiFi();
telnet.onConnect(onTelnetConnect);
telnet.onDisconnect(onTelnetDisconnect);
telnet.begin();
}
void loop()
{
telnet.loop();
if (Serial.available())
{
char cmd = Serial.read();
if (cmd == 'm' || cmd == 'M')
{
toggleMode();
}
}
while (gpsSerial.available() > 0)
{
gps.encode(gpsSerial.read());
}
if (gps.location.isUpdated() && (millis() - lastSendTime >= SEND_INTERVAL_MS))
{
lastSendTime = millis();
if (WiFi.status() == WL_CONNECTED)
{
sendLocationToAPI();
}
else
{
telnet.println("WiFi desconectado, tentando reconectar...");
Serial.println("WiFi desconectado, tentando reconectar...");
connectWiFi();
}
}
}