155 lines
3.6 KiB
C++
155 lines
3.6 KiB
C++
/**************************************************************
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*
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* This sketch connects to a website and downloads a page.
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* It can be used to perform HTTP/RESTful API calls.
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*
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* For this example, you need to install ArduinoHttpClient library:
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* https://github.com/arduino-libraries/ArduinoHttpClient
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* or from http://librarymanager/all#ArduinoHttpClient
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*
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* TinyGSM Getting Started guide:
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* http://tiny.cc/tiny-gsm-readme
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*
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**************************************************************/
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// Select your modem
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// SSL/TLS is currently supported only with SIM800 series
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#define TINY_GSM_MODEM_SIM800
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// Increase RX buffer
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#define TINY_GSM_RX_BUFFER 64
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// Use Hardware Serial on Mega, Leonardo, Micro
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#define SerialAT Serial1
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// or Software Serial on Uno, Nano
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//#include <SoftwareSerial.h>
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//SoftwareSerial SerialAT(2, 3); // RX, TX
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//#define DUMP_AT_COMMANDS
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//#define TINY_GSM_DEBUG Serial
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// Your GPRS credentials
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// Leave empty, if missing user or pass
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const char apn[] = "YourAPN";
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const char user[] = "";
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const char pass[] = "";
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// Name of the server we want to connect to
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const char server[] = "cdn.rawgit.com";
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const int port = 443;
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// Path to download (this is the bit after the hostname in the URL)
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const char resource[] = "/vshymanskyy/tinygsm/master/extras/logo.txt";
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#include <TinyGsmClient.h>
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#include <ArduinoHttpClient.h>
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#ifdef DUMP_AT_COMMANDS
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#include <StreamDebugger.h>
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StreamDebugger debugger(SerialAT, Serial);
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TinyGsm modem(debugger);
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#else
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TinyGsm modem(SerialAT);
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#endif
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TinyGsmClientSecure client(modem);
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HttpClient http(client, server, port);
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void setup() {
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// Set console baud rate
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Serial.begin(115200);
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delay(10);
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// Set GSM module baud rate
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SerialAT.begin(115200);
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delay(3000);
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// Restart takes quite some time
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// To skip it, call init() instead of restart()
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Serial.println("Initializing modem...");
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modem.restart();
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String modemInfo = modem.getModemInfo();
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Serial.print("Modem: ");
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Serial.println(modemInfo);
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// Unlock your SIM card with a PIN
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//modem.simUnlock("1234");
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}
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void loop() {
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if (!modem.hasSSL()) {
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Serial.print("SSL is not supported by this modem");
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delay(10000);
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return;
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}
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Serial.print(F("Waiting for network..."));
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if (!modem.waitForNetwork()) {
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Serial.println(" fail");
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delay(10000);
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return;
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}
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Serial.println(" OK");
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Serial.print(F("Connecting to "));
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Serial.print(apn);
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if (!modem.gprsConnect(apn, user, pass)) {
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Serial.println(" fail");
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delay(10000);
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return;
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}
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Serial.println(" OK");
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Serial.print(F("Performing HTTP GET request... "));
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http.connectionKeepAlive(); // Currently, this is needed for HTTPS
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int err = http.get(resource);
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if (err != 0) {
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Serial.println("failed to connect");
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delay(10000);
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return;
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}
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int status = http.responseStatusCode();
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Serial.println(status);
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if (!status) {
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delay(10000);
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return;
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}
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while (http.headerAvailable()) {
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String headerName = http.readHeaderName();
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String headerValue = http.readHeaderValue();
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//Serial.println(headerName + " : " + headerValue);
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}
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int length = http.contentLength();
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if (length >= 0) {
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Serial.println(String("Content length is: ") + length);
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}
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if (http.isResponseChunked()) {
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Serial.println("This response is chunked");
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}
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String body = http.responseBody();
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Serial.println("Response:");
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Serial.println(body);
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Serial.println(String("Body length is: ") + body.length());
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// Shutdown
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http.stop();
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modem.gprsDisconnect();
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Serial.println("GPRS disconnected");
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// Do nothing forevermore
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while (true) {
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delay(1000);
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}
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}
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