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城谣的小丑鱼 发表于 2020-3-19 14:18

Arduino Mega2560与SIM868

本帖最后由 城谣的小丑鱼 于 2020-3-19 14:20 编辑

程序一直卡在
waiting for network…… fail
是什么原因啊。
我用的TinyGSM库的GitHub里面的示例

城谣的小丑鱼 发表于 2020-3-19 14:20

/**************************************************************
*
* This sketch connects to a website and downloads a page.
* It can be used to perform HTTP/RESTful API calls.
*
* For this example, you need to install ArduinoHttpClient library:
*   https://github.com/arduino-libraries/ArduinoHttpClient
*   or from http://librarymanager/all#ArduinoHttpClient
*
* TinyGSM Getting Started guide:
*   https://tiny.cc/tinygsm-readme
*
* For more HTTP API examples, see ArduinoHttpClient library
*
* NOTE: This example may NOT work with the XBee because the
* HttpClient library does not empty to serial buffer fast enough
* and the buffer overflow causes the HttpClient library to stall.
* Boards with faster processors may work, 8MHz boards will not.
**************************************************************/

// 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_SIM5360
// #define TINY_GSM_MODEM_SIM7600
// #define TINY_GSM_MODEM_UBLOX
// #define TINY_GSM_MODEM_SARAR4
// #define TINY_GSM_MODEM_M95
// #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_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
// #define SerialAT Serial1

// or Software Serial on Uno, Nano
#include <SoftwareSerial.h>
SoftwareSerial SerialAT(2, 3); // RX, TX

// 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
// #define LOGGING// <- Logging is for the HTTP library

// Range to attempt to autobaud
#define GSM_AUTOBAUD_MIN 9600
#define GSM_AUTOBAUD_MAX 115200

// Add a reception delay - may be needed for a fast processor at a slow baud rate
// #define TINY_GSM_YIELD() { delay(2); }

// Define how you're planning to connect to the internet
#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";
const intport = 80;

#include <TinyGsmClient.h>
#include <ArduinoHttpClient.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

TinyGsmClient client(modem);
HttpClient http(client, server, port);

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(3000);

// 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(F("Performing HTTP GET request... "));
int err = http.get(resource);
if (err != 0) {
    SerialMon.println(F("failed to connect"));
    delay(10000);
    return;
}

int status = http.responseStatusCode();
SerialMon.print(F("Response status code: "));
SerialMon.println(status);
if (!status) {
    delay(10000);
    return;
}

SerialMon.println(F("Response Headers:"));
while (http.headerAvailable()) {
    String headerName = http.readHeaderName();
    String headerValue = http.readHeaderValue();
    SerialMon.println("    " + headerName + " : " + headerValue);
}

int length = http.contentLength();
if (length >= 0) {
    SerialMon.print(F("Content length is: "));
    SerialMon.println(length);
}
if (http.isResponseChunked()) {
    SerialMon.println(F("The response is chunked"));
}

String body = http.responseBody();
SerialMon.println(F("Response:"));
SerialMon.println(body);

SerialMon.print(F("Body length is: "));
SerialMon.println(body.length());

// Shutdown

http.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);
}
}

Yark_Yan 发表于 2023-1-30 16:19

请问，你这个问题解决了吗？目前我也要做类似项目！恐怕也会遇到相似的问题。

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