129 lines
3.5 KiB
C++
129 lines
3.5 KiB
C++
/* Pin layout used:
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* -----------------------------------------------------------------------------------------
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* MFRC522 ESP8266
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* Reader/PCD Feather Huzzah
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* Signal Pin Pin
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* -----------------------------------------------------------------------------------------
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* SPI SS 1 SDA(SS) SDA/4
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* SPI SCK SCK 14 / SCK
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* SPI MOSI MOSI 13 / MOSI
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* SPI MISO MISO 12 / MISO
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*
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*/
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#include <WiFiManager.h> // https://github.com/tzapu/WiFiManager
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#include <ESP8266WiFi.h> // https://arduino-esp8266.readthedocs.io/en/latest/esp8266wifi/readme.html
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#include <ESP8266HTTPClient.h>
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#include <WiFiClientSecureBearSSL.h>
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// #include "certs.h"
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#include <MFRC522v2.h> // https://github.com/OSSLibraries/Arduino_MFRC522v2
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#include <MFRC522DriverSPI.h>
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#include <MFRC522DriverPinSimple.h>
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#include <MFRC522Debug.h>
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#define LED_PIN 15
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#define SS_PIN 4
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MFRC522DriverPinSimple ss_1_pin(SS_PIN); // Configurable, take an unused pin, only HIGH/LOW required, must be different to SS 2.
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MFRC522DriverSPI driver_1{ss_1_pin};
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MFRC522 reader{driver_1}; // Create MFRC522 instance.
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void setup() {
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Serial.begin(115200);
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pinMode(LED_PIN, OUTPUT);
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displaySuccess();
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WiFiManager wm;
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bool res;
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res = wm.autoConnect("KLUK"); // password protected ap
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if(!res) {
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Serial.println("Failed to connect");
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displayError();
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// ESP.restart();
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}
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else {
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//if you get here you have connected to the WiFi
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Serial.println("connected...yeey :)");
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displaySuccess();
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}
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reader.PCD_Init(); // Init each MFRC522 card.
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}
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void loop() {
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auto client = std::make_unique<BearSSL::WiFiClientSecure>();
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if (reader.PICC_IsNewCardPresent() && reader.PICC_ReadCardSerial()) {
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// Halt PICC.
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reader.PICC_HaltA();
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// Stop encryption on PCD.
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reader.PCD_StopCrypto1();
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client->setInsecure();
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HTTPClient https;
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Serial.print("[HTTPS] begin...\n");
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// configure traged server and url
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https.begin(*client, "https://mood.robiweb.net/rfid_tags"); // HTTP
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https.addHeader("Content-Type", "application/json");
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char str[32] = "";
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array_to_string(reader.uid.uidByte, 4, str); //Insert (byte array, length, char array for output)
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Serial.println(str); //Print the output uid string
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// start connection and send HTTP header and body
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int httpCode = https.POST("{\"identifier\":\"" + String(str) + "\"}");
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Serial.print("httpCode: ");
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Serial.print(httpCode);
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// httpCode will be negative on error
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if (httpCode > 0) {
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// HTTP header has been send and Server response header has been handled
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// file found at server
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// if (httpCode == HTTP_CODE_OK) {
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if (httpCode == HTTP_CODE_CREATED) {
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displaySuccess();
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} else {
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displayError();
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}
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} else {
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displayError();
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}
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https.end();
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Serial.print("[HTTPS] ended...\n");
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}
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}
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void array_to_string(byte array[], unsigned int len, char buffer[]) {
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for (unsigned int i = 0; i < len; i++)
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{
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byte nib1 = (array[i] >> 4) & 0x0F;
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byte nib2 = (array[i] >> 0) & 0x0F;
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buffer[i*2+0] = nib1 < 0xA ? '0' + nib1 : 'A' + nib1 - 0xA;
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buffer[i*2+1] = nib2 < 0xA ? '0' + nib2 : 'A' + nib2 - 0xA;
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}
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buffer[len*2] = '\0';
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}
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void displayError() {
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for (unsigned int i = 0; i < 6; i++)
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{
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digitalWrite(LED_PIN, HIGH);
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delay(600);
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digitalWrite(LED_PIN, LOW);
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delay(300);
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}
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}
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void displaySuccess() {
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digitalWrite(LED_PIN, HIGH);
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delay(1000);
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digitalWrite(LED_PIN, LOW);
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delay(300);
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}
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