add arduino

This commit is contained in:
Aaron Lee 2024-01-01 00:34:45 +08:00
parent 7d0b32382b
commit 1b9da2fe8b

View file

@ -0,0 +1,172 @@
#include <SPI.h>
#include <MFRC522.h>
#include <LiquidCrystal_I2C.h>
#include <Arduino.h>
#include <ESP8266WiFi.h>
#include <WiFiClient.h>
#include <ESP8266HTTPClient.h>
#include <ArduinoJson.h>
LiquidCrystal_I2C lcd(0x27, 16, 2); // set the LCD address to 0x27 for a 16 chars and 2 line display
#define SS_PIN D8
#define RST_PIN D3
#define BEEPER_PIN D0
#define WIFI_SSID "SEA"
#define WIFI_PASS "sara9914"
#define RECURL "http://192.168.0.11:5000/api/rfid"
#define KEY "secret"
MFRC522 rfid(SS_PIN, RST_PIN); // Instance of the class
bool processingReq = false;
WiFiClient wifiClient;
int cursorPos = 0;
void setup() {
Serial.begin(9600);
lcd.init();
lcd.backlight();
lcdOut(0, "Savage Tumaz");
lcdOut("init SPI...");
SPI.begin(); // Init SPI bus
lcdOut("init MFRC522...");
rfid.PCD_SetAntennaGain(255);
rfid.PCD_Init(); // Init MFRC522
lcd.setCursor(14, 1);
lcd.print("ok");
pinMode(BEEPER_PIN, OUTPUT);
connectWifi();
delay(1500);
lcdOut("Please Scan");
}
void loop() {
if (processingReq || !rfid.PICC_IsNewCardPresent() || !rfid.PICC_ReadCardSerial()) {
return;
}
char uid[8];
sprintf(uid, "%02X%02X%02X%02X", rfid.uid.uidByte[0], rfid.uid.uidByte[1], rfid.uid.uidByte[2], rfid.uid.uidByte[3]);
Serial.println(uid);
rfid.PICC_HaltA();
rfid.PCD_StopCrypto1();
digitalWrite(BEEPER_PIN, HIGH);
delay(50);
digitalWrite(BEEPER_PIN, LOW);
lcdOut(0, uid);
lcdOut("Loading...");
DynamicJsonDocument body(200);
body["uid"] = uid;
body["key"] = KEY;
char bodych[1024];
serializeJson(body, bodych);
Serial.println(bodych);
HTTPClient httpClient;
httpClient.useHTTP10(true);
httpClient.begin(wifiClient, RECURL);
httpClient.addHeader("Content-Type", "application/json");
Serial.print("RECURL: ");
Serial.println(RECURL);
int httpCode = httpClient.POST(bodych);
Serial.print("Send POST request to RECURL: ");
Serial.println(RECURL);
if (httpCode == HTTP_CODE_OK) {
DynamicJsonDocument doc(500);
deserializeJson(doc, httpClient.getStream());
httpClient.end();
String tmpstr;
serializeJson(doc, tmpstr);
Serial.println(tmpstr);
lcdOut(0, strdup(doc["status"]));
lcd.print(":");
lcd.print(strdup(doc["name"]));
successTone();
lcdOut("Please Scan");
} else {
Serial.println("Server Respose Code:");
Serial.println(httpCode);
lcdOut(0, "ERROR ");
lcd.print(httpCode);
if (httpCode > 0) {
DynamicJsonDocument doc(500);
deserializeJson(doc, httpClient.getStream());
lcdOut(strdup(doc["status"]));
} else lcdOut(httpClient.errorToString(httpCode).c_str());
errTone();
delay(2000);
lcdOut("Please Scan");
}
}
void lcdOut(const char* s) {
lcdOut(strdup(s));
}
void lcdOut(char* s) {
lcdOut(1, s);
}
void lcdOut(int line, char* s) {
lcd.setCursor(0, line);
lcd.print(" ");
lcd.setCursor(0, line);
lcd.print(s);
}
void errTone() {
twoTone(300);
}
void successTone() {
twoTone(50);
}
void twoTone(int duration) {
digitalWrite(BEEPER_PIN, HIGH);
delay(duration);
digitalWrite(BEEPER_PIN, LOW);
delay(duration);
digitalWrite(BEEPER_PIN, HIGH);
delay(duration);
digitalWrite(BEEPER_PIN, LOW);
}
void connectWifi() {
WiFi.disconnect();
WiFi.mode(WIFI_STA);
WiFi.begin(WIFI_SSID, WIFI_PASS);
Serial.printf("\nDevice is connecting to WiFi using SSID %s and Passphrase %s.\n", WIFI_SSID, WIFI_PASS);
lcdOut("WiFi Setup");
int cnt = 0;
// Keep looping until the WiFi is not connected.
while (WiFi.status() != WL_CONNECTED) {
if (cnt++ % 5 == 0) {
lcd.setCursor(10, 1);
lcd.print(" ");
lcd.setCursor(10, 1);
}
lcd.print(".");
delay(500);
}
lcdOut("WiFi OK!");
}