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WebClient.ino
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WebClient.ino
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/**************************************************************
*
* This sketch connects to a website and downloads a page.
* It can be used to perform HTTP/RESTful API calls.
*
* TinyGSM Getting Started guide:
* https://tiny.cc/tinygsm-readme
*
**************************************************************/
// Select your modem:
#define TINY_GSM_MODEM_SIM800
// #define TINY_GSM_MODEM_SIM808
// #define TINY_GSM_MODEM_SIM868
// #define TINY_GSM_MODEM_SIM900
// #define TINY_GSM_MODEM_SIM7000
// #define TINY_GSM_MODEM_SIM7000SSL
// #define TINY_GSM_MODEM_SIM7080
// #define TINY_GSM_MODEM_SIM5360
// #define TINY_GSM_MODEM_SIM7600
// #define TINY_GSM_MODEM_A7672X
// #define TINY_GSM_MODEM_UBLOX
// #define TINY_GSM_MODEM_SARAR4
// #define TINY_GSM_MODEM_SARAR5
// #define TINY_GSM_MODEM_M95
// #define TINY_GSM_MODEM_BG95
// #define TINY_GSM_MODEM_BG96
// #define TINY_GSM_MODEM_A6
// #define TINY_GSM_MODEM_A7
// #define TINY_GSM_MODEM_M590
// #define TINY_GSM_MODEM_MC60
// #define TINY_GSM_MODEM_MC60E
// #define TINY_GSM_MODEM_ESP8266
// #define TINY_GSM_MODEM_ESP32
// #define TINY_GSM_MODEM_XBEE
// #define TINY_GSM_MODEM_SEQUANS_MONARCH
// Set serial for debug console (to the Serial Monitor, default speed 115200)
#define SerialMon Serial
// Set serial for AT commands (to the module)
// Use Hardware Serial on Mega, Leonardo, Micro
#ifndef __AVR_ATmega328P__
#define SerialAT Serial1
// or Software Serial on Uno, Nano
#else
#include <SoftwareSerial.h>
SoftwareSerial SerialAT(2, 3); // RX, TX
#endif
// Increase RX buffer to capture the entire response
// Chips without internal buffering (A6/A7, ESP8266, M590)
// need enough space in the buffer for the entire response
// else data will be lost (and the http library will fail).
#if !defined(TINY_GSM_RX_BUFFER)
#define TINY_GSM_RX_BUFFER 650
#endif
// See all AT commands, if wanted
// #define DUMP_AT_COMMANDS
// Define the serial console for debug prints, if needed
#define TINY_GSM_DEBUG SerialMon
// Range to attempt to autobaud
// NOTE: DO NOT AUTOBAUD in production code. Once you've established
// communication, set a fixed baud rate using modem.setBaud(#).
#define GSM_AUTOBAUD_MIN 9600
#define GSM_AUTOBAUD_MAX 115200
// Add a reception delay, if needed.
// This may be needed for a fast processor at a slow baud rate.
// #define TINY_GSM_YIELD() { delay(2); }
// Uncomment this if you want to use SSL
// #define USE_SSL
// Define how you're planning to connect to the internet.
// This is only needed for this example, not in other code.
#define TINY_GSM_USE_GPRS true
#define TINY_GSM_USE_WIFI false
// set GSM PIN, if any
#define GSM_PIN ""
// Your GPRS credentials, if any
const char apn[] = "YourAPN";
const char gprsUser[] = "";
const char gprsPass[] = "";
// Your WiFi connection credentials, if applicable
const char wifiSSID[] = "YourSSID";
const char wifiPass[] = "YourWiFiPass";
// Server details
const char server[] = "vsh.pp.ua";
const char resource[] = "/TinyGSM/logo.txt";
#include <TinyGsmClient.h>
// Just in case someone defined the wrong thing..
#if TINY_GSM_USE_GPRS && not defined TINY_GSM_MODEM_HAS_GPRS
#undef TINY_GSM_USE_GPRS
#undef TINY_GSM_USE_WIFI
#define TINY_GSM_USE_GPRS false
#define TINY_GSM_USE_WIFI true
#endif
#if TINY_GSM_USE_WIFI && not defined TINY_GSM_MODEM_HAS_WIFI
#undef TINY_GSM_USE_GPRS
#undef TINY_GSM_USE_WIFI
#define TINY_GSM_USE_GPRS true
#define TINY_GSM_USE_WIFI false
#endif
#ifdef DUMP_AT_COMMANDS
#include <StreamDebugger.h>
StreamDebugger debugger(SerialAT, SerialMon);
TinyGsm modem(debugger);
#else
TinyGsm modem(SerialAT);
#endif
#if defined(TINY_GSM_MODEM_HAS_SSL)
#define USE_SSL
#endif
#ifdef USE_SSL
TinyGsmClientSecure client(modem);
const int port = 443;
#else
TinyGsmClient client(modem);
const int port = 80;
#endif
void setup() {
// Set console baud rate
SerialMon.begin(115200);
delay(10);
// !!!!!!!!!!!
// Set your reset, enable, power pins here
// !!!!!!!!!!!
SerialMon.println("Wait...");
// Set GSM module baud rate
TinyGsmAutoBaud(SerialAT, GSM_AUTOBAUD_MIN, GSM_AUTOBAUD_MAX);
// SerialAT.begin(9600);
delay(6000);
// Restart takes quite some time
// To skip it, call init() instead of restart()
SerialMon.println("Initializing modem...");
modem.restart();
// modem.init();
String modemInfo = modem.getModemInfo();
SerialMon.print("Modem Info: ");
SerialMon.println(modemInfo);
#if TINY_GSM_USE_GPRS
// Unlock your SIM card with a PIN if needed
if (GSM_PIN && modem.getSimStatus() != 3) { modem.simUnlock(GSM_PIN); }
#endif
}
void loop() {
#if TINY_GSM_USE_WIFI
// Wifi connection parameters must be set before waiting for the network
SerialMon.print(F("Setting SSID/password..."));
if (!modem.networkConnect(wifiSSID, wifiPass)) {
SerialMon.println(" fail");
delay(10000);
return;
}
SerialMon.println(" success");
#endif
#if TINY_GSM_USE_GPRS && defined TINY_GSM_MODEM_XBEE
// The XBee must run the gprsConnect function BEFORE waiting for network!
modem.gprsConnect(apn, gprsUser, gprsPass);
#endif
SerialMon.print("Waiting for network...");
if (!modem.waitForNetwork()) {
SerialMon.println(" fail");
delay(10000);
return;
}
SerialMon.println(" success");
if (modem.isNetworkConnected()) { SerialMon.println("Network connected"); }
#if TINY_GSM_USE_GPRS
// GPRS connection parameters are usually set after network registration
SerialMon.print(F("Connecting to "));
SerialMon.print(apn);
if (!modem.gprsConnect(apn, gprsUser, gprsPass)) {
SerialMon.println(" fail");
delay(10000);
return;
}
SerialMon.println(" success");
if (modem.isGprsConnected()) { SerialMon.println("GPRS connected"); }
#endif
SerialMon.print("Connecting to ");
SerialMon.println(server);
if (!client.connect(server, port)) {
SerialMon.println(" fail");
delay(10000);
return;
}
SerialMon.println(" success");
// Make a HTTP GET request:
SerialMon.println("Performing HTTP GET request...");
client.print(String("GET ") + resource + " HTTP/1.1\r\n");
client.print(String("Host: ") + server + "\r\n");
client.print("Connection: close\r\n\r\n");
client.println();
uint32_t timeout = millis();
while (client.connected() && millis() - timeout < 10000L) {
// Print available data
while (client.available()) {
char c = client.read();
SerialMon.print(c);
timeout = millis();
}
}
SerialMon.println();
// Shutdown
client.stop();
SerialMon.println(F("Server disconnected"));
#if TINY_GSM_USE_WIFI
modem.networkDisconnect();
SerialMon.println(F("WiFi disconnected"));
#endif
#if TINY_GSM_USE_GPRS
modem.gprsDisconnect();
SerialMon.println(F("GPRS disconnected"));
#endif
// Do nothing forevermore
while (true) { delay(1000); }
}