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/*
Simple script to send data to RequesBin
http://maxistar.ru/blog/%D0%9F%D0%BE%D1%81%D1%8B%D0%BB%D0%B0%D0%B5%D0%BC-%D0%B4%D0%B0%D0%BD%D0%BD%D1%8B%D0%B5-%D0%B2-%D0%BE%D0%B1%D0%BB%D0%B0%D0%BA%D0%BE/
The original script was found at https://RandomNerdTutorials.com/esp32-sim800l-publish-data-to-cloud/
Modified by Max Starikov
*/
// Your GPRS credentials (leave empty, if not needed)
const char apn[] = "internet"; // APN (example: internet.vodafone.pt) use https://wiki.apnchanger.org
const char gprsUser[] = ""; // GPRS User
const char gprsPass[] = ""; // GPRS Password
// SIM card PIN (leave empty, if not defined)
const char simPIN[] = "";
// Server details
// The server variable can be just a domain name or it can have a subdomain. It depends on the service you are using
const char server[] = "enx5hjar0vnp.x.pipedream.net"; // domain name: example.com, maker.ifttt.com, etc
const char resource[] = "/"; // resource path, for example: /post-data.php
const int port = 80; // server port number
// Keep this API Key value to be compatible with the PHP code provided in the project page.
// If you change the apiKeyValue value, the PHP file /post-data.php also needs to have the same key
String apiKeyValue = "tPmAT5Ab3j7F9";
// TTGO T-Call pins
#define MODEM_RST 5
#define MODEM_PWKEY 4
#define MODEM_POWER_ON 23
#define MODEM_TX 27
#define MODEM_RX 26
#define I2C_SDA 21
#define I2C_SCL 22
// BME280 pins
#define I2C_SDA_2 18
#define I2C_SCL_2 19
// Set serial for debug console (to Serial Monitor, default speed 115200)
#define SerialMon Serial
// Set serial for AT commands (to SIM800 module)
#define SerialAT Serial1
// Configure TinyGSM library
#define TINY_GSM_MODEM_SIM800 // Modem is SIM800
#define TINY_GSM_RX_BUFFER 1024 // Set RX buffer to 1Kb
// Define the serial console for debug prints, if needed
//#define DUMP_AT_COMMANDS
#include <Wire.h>
#include <TinyGsmClient.h>
#ifdef DUMP_AT_COMMANDS
#include <StreamDebugger.h>
StreamDebugger debugger(SerialAT, SerialMon);
TinyGsm modem(debugger);
#else
TinyGsm modem(SerialAT);
#endif
// include <Adafruit_Sensor.h>
// include <Adafruit_BME280.h>
// I2C for SIM800 (to keep it running when powered from battery)
TwoWire I2CPower = TwoWire(0);
// I2C for BME280 sensor
//TwoWire I2CBME = TwoWire(1);
//Adafruit_BME280 bme;
// TinyGSM Client for Internet connection
TinyGsmClient client(modem);
#define uS_TO_S_FACTOR 1000000 /* Conversion factor for micro seconds to seconds */
#define TIME_TO_SLEEP 36 /* Time ESP32 will go to sleep (in seconds) 3600 seconds = 1 hour */
#define IP5306_ADDR 0x75
#define IP5306_REG_SYS_CTL0 0x00
bool setPowerBoostKeepOn(int en){
I2CPower.beginTransmission(IP5306_ADDR);
I2CPower.write(IP5306_REG_SYS_CTL0);
if (en) {
I2CPower.write(0x37); // Set bit1: 1 enable 0 disable boost keep on
} else {
I2CPower.write(0x35); // 0x37 is default reg value
}
return I2CPower.endTransmission() == 0;
}
void setup() {
// Set serial monitor debugging window baud rate to 115200
SerialMon.begin(115200);
// Start I2C communication
I2CPower.begin(I2C_SDA, I2C_SCL, 400000);
// I2CBME.begin(I2C_SDA_2, I2C_SCL_2, 400000);
// Keep power when running from battery
bool isOk = setPowerBoostKeepOn(1);
SerialMon.println(String("IP5306 KeepOn ") + (isOk ? "OK" : "FAIL"));
// Set modem reset, enable, power pins
pinMode(MODEM_PWKEY, OUTPUT);
pinMode(MODEM_RST, OUTPUT);
pinMode(MODEM_POWER_ON, OUTPUT);
digitalWrite(MODEM_PWKEY, LOW);
digitalWrite(MODEM_RST, HIGH);
digitalWrite(MODEM_POWER_ON, HIGH);
// Set GSM module baud rate and UART pins
SerialAT.begin(115200, SERIAL_8N1, MODEM_RX, MODEM_TX);
delay(3000);
// Restart SIM800 module, it takes quite some time
// To skip it, call init() instead of restart()
SerialMon.println("Initializing modem...");
modem.restart();
// use modem.init() if you don't need the complete restart
// Unlock your SIM card with a PIN if needed
if (strlen(simPIN) && modem.getSimStatus() != 3 ) {
modem.simUnlock(simPIN);
}
// Configure the wake up source as timer wake up
esp_sleep_enable_timer_wakeup(TIME_TO_SLEEP * uS_TO_S_FACTOR);
}
void loop() {
SerialMon.print("Connecting to APN: ");
SerialMon.print(apn);
if (!modem.gprsConnect(apn, gprsUser, gprsPass)) {
SerialMon.println(" fail");
}
else {
SerialMon.println(" OK");
SerialMon.print("Connecting to ");
SerialMon.print(server);
if (!client.connect(server, port)) {
SerialMon.println(" fail");
}
else {
SerialMon.println(" OK");
// Making an HTTP POST request
SerialMon.println("Performing HTTP POST request...");
// Prepare your HTTP POST request data (Temperature in Celsius degrees)
String httpRequestData = "api_key=" + apiKeyValue + "&value1=1"
+ "&value2=dfdfd&value3=1" + "";
// Prepare your HTTP POST request data (Temperature in Fahrenheit degrees)
//String httpRequestData = "api_key=" + apiKeyValue + "&value1=" + String(1.8 * bme.readTemperature() + 32)
// + "&value2=" + String(bme.readHumidity()) + "&value3=" + String(bme.readPressure()/100.0F) + "";
// You can comment the httpRequestData variable above
// then, use the httpRequestData variable below (for testing purposes without the BME280 sensor)
//String httpRequestData = "api_key=tPmAT5Ab3j7F9&value1=24.75&value2=49.54&value3=1005.14";
client.print(String("POST ") + resource + " HTTP/1.1\r\n");
client.print(String("Host: ") + server + "\r\n");
client.println("Connection: close");
client.println("Content-Type: application/x-www-form-urlencoded");
client.print("Content-Length: ");
client.println(httpRequestData.length());
client.println();
client.println(httpRequestData);
unsigned long timeout = millis();
while (client.connected() && millis() - timeout < 10000L) {
// Print available data (HTTP response from server)
while (client.available()) {
char c = client.read();
SerialMon.print(c);
timeout = millis();
}
}
SerialMon.println();
// Close client and disconnect
client.stop();
SerialMon.println(F("Server disconnected"));
modem.gprsDisconnect();
SerialMon.println(F("GPRS disconnected"));
}
}
// Put ESP32 into deep sleep mode (with timer wake up)
esp_deep_sleep_start();
//sleep(3000);
}
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