144 lines
4.4 KiB
C++
144 lines
4.4 KiB
C++
/* Pin layout used:
|
|
* -----------------------------------------------------------------------------------------
|
|
* MFRC522 ESP8266
|
|
* Reader/PCD Feather Huzzah
|
|
* Signal Pin Pin
|
|
* -----------------------------------------------------------------------------------------
|
|
* SPI SS 1 SDA(SS) SDA/4
|
|
* SPI SCK SCK 14 / SCK
|
|
* SPI MOSI MOSI 13 / MOSI
|
|
* SPI MISO MISO 12 / MISO
|
|
*
|
|
*/
|
|
|
|
#include <WiFiManager.h> // https://github.com/tzapu/WiFiManager
|
|
|
|
#include <ESP8266WiFi.h>
|
|
#include <ESP8266HTTPClient.h>
|
|
#include <WiFiClientSecureBearSSL.h>
|
|
|
|
// #include "certs.h"
|
|
|
|
|
|
#include <MFRC522v2.h>
|
|
#include <MFRC522DriverSPI.h>
|
|
#include <MFRC522DriverPinSimple.h>
|
|
#include <MFRC522Debug.h>
|
|
|
|
#define LED_PIN 16
|
|
#define SS_PIN 4
|
|
|
|
MFRC522DriverPinSimple ss_1_pin(SS_PIN); // Configurable, take an unused pin, only HIGH/LOW required, must be different to SS 2.
|
|
|
|
MFRC522DriverSPI driver_1{ss_1_pin};
|
|
|
|
MFRC522 reader{driver_1}; // Create MFRC522 instance.
|
|
|
|
void setup() {
|
|
// WiFi.mode(WIFI_STA); // explicitly set mode, esp defaults to STA+AP
|
|
// it is a good practice to make sure your code sets wifi mode how you want it.
|
|
|
|
// put your setup code here, to run once:
|
|
Serial.begin(115200);
|
|
|
|
pinMode(LED_PIN, OUTPUT);
|
|
displaySuccess();
|
|
|
|
//WiFiManager, Local intialization. Once its business is done, there is no need to keep it around
|
|
WiFiManager wm;
|
|
|
|
// reset settings - wipe stored credentials for testing
|
|
// these are stored by the esp library
|
|
// wm.resetSettings();
|
|
|
|
// Automatically connect using saved credentials,
|
|
// if connection fails, it starts an access point with the specified name ( "AutoConnectAP"),
|
|
// if empty will auto generate SSID, if password is blank it will be anonymous AP (wm.autoConnect())
|
|
// then goes into a blocking loop awaiting configuration and will return success result
|
|
|
|
bool res;
|
|
// res = wm.autoConnect(); // auto generated AP name from chipid
|
|
// res = wm.autoConnect("AutoConnectAP"); // anonymous ap
|
|
res = wm.autoConnect("KLUK"); // password protected ap
|
|
|
|
if(!res) {
|
|
Serial.println("Failed to connect");
|
|
displayError();
|
|
// ESP.restart();
|
|
}
|
|
else {
|
|
//if you get here you have connected to the WiFi
|
|
Serial.println("connected...yeey :)");
|
|
displaySuccess();
|
|
}
|
|
|
|
reader.PCD_Init(); // Init each MFRC522 card.
|
|
}
|
|
|
|
void loop() {
|
|
auto client = std::make_unique<BearSSL::WiFiClientSecure>();
|
|
|
|
if (reader.PICC_IsNewCardPresent() && reader.PICC_ReadCardSerial()) {
|
|
// Halt PICC.
|
|
reader.PICC_HaltA();
|
|
// Stop encryption on PCD.
|
|
reader.PCD_StopCrypto1();
|
|
|
|
client->setInsecure();
|
|
HTTPClient https;
|
|
Serial.print("[HTTPS] begin...\n");
|
|
// configure traged server and url
|
|
https.begin(*client, "https://mood.robiweb.net/rfid_tags"); // HTTP
|
|
https.addHeader("Content-Type", "application/json");
|
|
|
|
char str[32] = "";
|
|
array_to_string(reader.uid.uidByte, 4, str); //Insert (byte array, length, char array for output)
|
|
Serial.println(str); //Print the output uid string
|
|
// start connection and send HTTP header and body
|
|
int httpCode = https.POST("{\"identifier\":\"" + String(str) + "\"}");
|
|
Serial.print("httpCode: ");
|
|
Serial.print(httpCode);
|
|
// httpCode will be negative on error
|
|
if (httpCode > 0) {
|
|
// HTTP header has been send and Server response header has been handled
|
|
// file found at server
|
|
// if (httpCode == HTTP_CODE_OK) {
|
|
if (httpCode == HTTP_CODE_CREATED) {
|
|
displaySuccess();
|
|
} else {
|
|
displayError();
|
|
}
|
|
}
|
|
|
|
https.end();
|
|
Serial.print("[HTTPS] ended...\n");
|
|
}
|
|
}
|
|
|
|
void array_to_string(byte array[], unsigned int len, char buffer[]) {
|
|
for (unsigned int i = 0; i < len; i++)
|
|
{
|
|
byte nib1 = (array[i] >> 4) & 0x0F;
|
|
byte nib2 = (array[i] >> 0) & 0x0F;
|
|
buffer[i*2+0] = nib1 < 0xA ? '0' + nib1 : 'A' + nib1 - 0xA;
|
|
buffer[i*2+1] = nib2 < 0xA ? '0' + nib2 : 'A' + nib2 - 0xA;
|
|
}
|
|
buffer[len*2] = '\0';
|
|
}
|
|
|
|
void displayError() {
|
|
for (unsigned int i = 0; i < 6; i++)
|
|
{
|
|
digitalWrite(LED_PIN, HIGH);
|
|
delay(600);
|
|
digitalWrite(LED_PIN, LOW);
|
|
delay(300);
|
|
}
|
|
}
|
|
|
|
void displaySuccess() {
|
|
digitalWrite(LED_PIN, HIGH);
|
|
delay(1000);
|
|
digitalWrite(LED_PIN, LOW);
|
|
delay(300);
|
|
}
|