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arduino.ino
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arduino.ino
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#include <ESP8266WiFi.h>
// 아두이노에 연결할 wifi 이름과 패스워드
const char* ssid = "iPhone";
const char* password = "34567890";
const int enterDetectPin = 4; // 첫 번째 근접센서 -> 들어오는 사람 감지
const int outDetectPin = 12; // 두 번째 근접센서 -> 나가는 사람 감지
int enterCount = 0; // 들어오는 사람 count
int outCount = 0; // 나가는 사람 count
int total = 100; // 카페 총 좌석 수
const char* host = "sittingcafe.com"; //홈페이지 호스트
const char* streamId = "threepig"; //id
const char* privateKey = "sungshin95"; //패스워드
void setup() {
Serial.begin(115200);
delay(10);
// 와이파이 네트워크와 연결 시작
Serial.println();
Serial.println();
Serial.print("Connecting to ");
Serial.println(ssid);
WiFi.mode(WIFI_STA);
WiFi.begin(ssid, password);
while (WiFi.status() != WL_CONNECTED) {
delay(500);
Serial.print(".");
}
Serial.println("");
Serial.println("WiFi connected");
Serial.println("IP address: ");
Serial.println(WiFi.localIP());
}
int value = 0;
int uid=3400;
void loop() {
++value;
int noEnterDetect = digitalRead(enterDetectPin); // 상태 읽어오기 (들어오는 사람)
int noOutDetect = digitalRead(outDetectPin); // 상태 읽어오기 (나가는 사람)
if (!noEnterDetect)
{
uid++;
enterCount++;
delay(3000);
Serial.print("enterCount: ");
Serial.println(enterCount);
Serial.print("outCount: ");
Serial.println(outCount);
}
// ------------------------------------------------ //
//----------------- 나가는 것 감지 ----------------- //
else if (!noOutDetect)
{
uid++;
++outCount;
if(outCount<0) outCount=0;
delay(3000);
Serial.print("enterCount: ");
Serial.println(enterCount);
Serial.print("outCount: ");
Serial.println(outCount);
}
int numIn=enterCount;
int numOut=outCount;
int cafeID=100;
Serial.print("connecting to ");
Serial.println(host);
// Use WiFiClient class to create TCP connections
WiFiClient client;
const int httpPort = 80;
if (!client.connect(host, httpPort)) {
Serial.println("connection failed");
return;
}
// We now create a URI for the request
String url = "/search/index.php?numIn=";
url+=numIn;
url+="&numOut=";
url+=numOut;
url+="&cafeID=";
url+=cafeID;
url+="&uid=";
url+=uid;
Serial.print("Requesting URL: ");
Serial.println(url);
// This will send the request to the server
client.print(String("GET ") + url + " HTTP/1.1\r\n" +
"Host: " + host + "\r\n" +
"Connection: close\r\n\r\n");
unsigned long timeout = millis();
while (client.available() == 0) {
if (millis() - timeout > 5000) {
Serial.println(">>> Client Timeout !");
client.stop();
return;
}
}
Serial.println("closing connection");
}