푸딩을 지키는 기술 ～그 1:LINE에의 통지～

#include <ssl_client.h>
#include <WiFiClientSecure.h>
#include <M5Stack.h>
const char* ssid = "wifi_ssid";
const char* password = "pass";
int switch_port=36;
void wifi_connect() {
  WiFi.begin(ssid, password);
  while (WiFi.status() != WL_CONNECTED)  delay(500);
}
void setup() {
  M5.begin();
  wifi_connect();
}
void loop() {
  M5.update();
  int buttonState = digitalRead(switch_port);
  static int buttonState_old=buttonState;
  if ( (buttonState == 1) && ( (buttonState_old == 0)))  send_line_alert();
  buttonState_old=buttonState;
}
void send_line_alert() {
  const char* host = "notify-api.line.me";
  const char* token = "your_token";
  const char* message1 = "%0D%0A %0D%0Aプリンが取られました！！！%0D%0A";
  WiFiClientSecure client;
  if (!client.connect(host, 443)) {
    return;
  }
  String query = "message=" + String(message1);
  String request = "POST /api/notify HTTP/1.1\r\nHost: " + host + "\r\nAuthorization: Bearer" + token + "\r\nContent-Length: " + String(query.length()) +  "\r\nContent-Type: application/x-www-form-urlencoded\r\n\r\n" +query + "\r\n";
  client.print(request);
  while (client.connected()) {
    String line = client.readStringUntil('\n');
    if (line == "\r")   break;
  }
}