北海道オホーツクのメロンや米等を栽培している農家です。

//https://github.com/Xinyuan-LilyGO/LilyGo-T-PCIE/blob/master/examples/SIM7600/SIM7600.inoを元にして作成
//通信モデムの設定
#define TINY_GSM_MODEM_SIM7600

//シリアルモニタに出力するためのserialを設定
#define SerialMon Serial

//通信モデムとESP32がやりとりするためのSerialポートを設定
#define SerialAT Serial1

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

//通信先を設定。自分の通信会社のAPNとUser名、パスワードを設定
const char apn[] = "lte.ocn.ne.jp";
const char gprsUser[] = "mobileid@ocn";
const char gprsPass[] = "mobile";

//アクセス先の設定 http://mkbtm.net//SIM7600/test.txt
//httpsを使いたい時には、BasicHttpsClientのサンプルを見る
const char server[] = "mkbtm.net";
const char resource[] = "/SIM7600/test.txt";
const int port = 80;

TinyGsm modem(SerialAT);

Ticker tick;//LEDの点滅用

#define uS_TO_S_FACTOR 1000000ULL //Conversion factor for micro seconds to seconds
#define TIME_TO_SLEEP 60 //Time ESP32 will go to sleep (in seconds)
//ボーdの設定
#define PIN_TX 27
#define PIN_RX 26
#define UART_BAUD 115200
#define PWR_PIN 4
#define LED_PIN 12
#define POWER_PIN 25
#define IND_PIN 36

void setup()
{
SerialMon.begin(115200);
delay(10);

// Onboard LED light, it can be used freely
pinMode(LED_PIN, OUTPUT);
digitalWrite(LED_PIN, LOW);

// POWER_PIN : This pin controls the power supply of the SIM7600
pinMode(POWER_PIN, OUTPUT);
digitalWrite(POWER_PIN, HIGH);

// PWR_PIN ： This Pin is the PWR-KEY of the SIM7600
// The time of active low level impulse of PWRKEY pin to power on module , type 500 ms
pinMode(PWR_PIN, OUTPUT);
digitalWrite(PWR_PIN, HIGH);
delay(500);
digitalWrite(PWR_PIN, LOW);

// IND_PIN: It is connected to the SIM7600 status Pin,
// through which you can know whether the module starts normally.
pinMode(IND_PIN, INPUT);

attachInterrupt(IND_PIN, []() {
detachInterrupt(IND_PIN);
// If SIM7600 starts normally, then set the onboard LED to flash once every 1 second
tick.attach_ms(1000, []() {
digitalWrite(LED_PIN, !digitalRead(LED_PIN));
});
}, CHANGE);

SerialMon.println("Wait...");

delay(3000);

SerialAT.begin(UART_BAUD, SERIAL_8N1, PIN_RX, PIN_TX);

//モデムの初期化
SerialMon.println("Initializing modem...");
if (!modem.init()) {
SerialMon.println("Failed to restart modem, delaying 10s and retrying");
return;
}
SerialMon.println("enter setNetwork Mode");

//接続開始
bool result;
do {
result = modem.setNetworkMode(38);//2 Automatic, 13 GSM only, 38 LTE only, 51 GSM and LTE only
delay(500);
} while (result != true);

SerialMon.println("Waiting for network...");
if (!modem.waitForNetwork()) {
delay(10000);
return;
}

if (modem.isNetworkConnected()) {
SerialMon.println("Network connected");
}

SerialMon.print("Connecting to:");
SerialMon.println(apn);
if (!modem.gprsConnect(apn, gprsUser, gprsPass)) {
delay(10000);
return;
}

bool res = modem.isGprsConnected();
SerialMon.print("GPRS status:");
SerialMon.println(res);

IPAddress local = modem.localIP();
SerialMon.print("Local IP:");
SerialMon.println(local);

int csq = modem.getSignalQuality();
SerialMon.print("Signal quality:");
SerialMon.println(csq);

//httpの接続開始
TinyGsmClient client(modem);
HttpClient http(client, server, port);

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

//httpの通信結果を表示
String body = http.responseBody();
SerialMon.println("============Response===========");
SerialMon.println(body);
SerialMon.println("============Response end========");

http.stop();
SerialMon.println("Server disconnected");

modem.poweroff();//モデムオフ
SerialMon.println("Poweroff.");
}

void loop()
{
//スリープへ
esp_sleep_enable_timer_wakeup(TIME_TO_SLEEP * uS_TO_S_FACTOR);
delay(200);
esp_deep_sleep_start();
}