/**************************************************************
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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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* TinyGSM Getting Started guide:
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* https://tiny.cc/tinygsm-readme
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*
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**************************************************************/
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// Hologram Dash uses UBLOX U2 modems
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#define TINY_GSM_MODEM_UBLOX
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// Increase RX buffer if needed
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#if !defined(TINY_GSM_RX_BUFFER)
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#define TINY_GSM_RX_BUFFER 512
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#endif
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#include <TinyGsmClient.h>
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// Uncomment this if you want to see all AT commands
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// #define DUMP_AT_COMMANDS
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// Uncomment this if you want to use SSL
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// #define USE_SSL
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// Set serial for debug console (to the Serial Monitor, speed 115200)
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#define SerialMon Serial
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// We'll be using SerialSystem in Passthrough mode
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#define SerialAT SerialSystem
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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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// Server details
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const char server[] = "vsh.pp.ua";
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const char resource[] = "/TinyGSM/logo.txt";
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#ifdef DUMP_AT_COMMANDS
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#include <StreamDebugger.h>
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StreamDebugger debugger(SerialAT, SerialMon);
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TinyGsm mdm(debugger);
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#else
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TinyGsm mdm(SerialAT);
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#endif
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#ifdef USE_SSL
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TinyGsmClientSecure client(mdm);
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const int port = 443;
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#else
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TinyGsmClient client(mdm);
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const int port = 80;
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#endif
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void setup() {
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// Set console baud rate
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SerialMon.begin(115200);
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delay(10);
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// Set up Passthrough
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HologramCloud.enterPassthrough();
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delay(6000);
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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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SerialMon.println(F("Initializing modem..."));
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mdm.restart();
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String modemInfo = mdm.getModemInfo();
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SerialMon.print(F("Modem: "));
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SerialMon.println(modemInfo);
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// Unlock your SIM card with a PIN
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//mdm.simUnlock("1234");
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}
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void loop() {
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SerialMon.print(F("Waiting for network..."));
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if (!mdm.waitForNetwork()) {
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SerialMon.println(" fail");
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delay(10000);
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return;
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}
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SerialMon.println(" success");
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SerialMon.print(F("Connecting to "));
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SerialMon.print(apn);
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if (!mdm.gprsConnect(apn, user, pass)) {
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SerialMon.println(" fail");
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delay(10000);
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return;
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}
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SerialMon.println(" success");
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SerialMon.print(F("Connecting to "));
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SerialMon.print(server);
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if (!client.connect(server, port)) {
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SerialMon.println(" fail");
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delay(10000);
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return;
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}
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SerialMon.println(" success");
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// Make a HTTP GET request:
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client.print(String("GET ") + resource + " HTTP/1.0\r\n");
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client.print(String("Host: ") + server + "\r\n");
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client.print("Connection: close\r\n\r\n");
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uint32_t timeout = millis();
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while (client.connected() && millis() - timeout < 10000L) {
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// Print available data
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while (client.available()) {
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char c = client.read();
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SerialMon.print(c);
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timeout = millis();
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}
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}
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SerialMon.println();
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// Shutdown
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client.stop();
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SerialMon.println(F("Server disconnected"));
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mdm.gprsDisconnect();
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SerialMon.println(F("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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