RFID NeoPixel access project

1#include <Adafruit_NeoPixel.h>
2#include <MFRC522.h>
3/**
4 * Remember   to import the following libraries from the 
5 * Library Manager:
6 * - Adafruit   NeoPixel v. 1.10.5 by Adafruit (https://github.com/adafruit/Adafruit_NeoPixel)
7   * - MFRC522 v. 1.4.10 by GithubCommunity (https://github.com/miguelbalboa/rfid)
8   */
9
10// Setup of configurations
11const int      delayval  =  50; // Time   each pixel pauses to do it's duty.
12const int      PIN       =  6; // Data output   to Adafruit NeoPixel
13const int      NUMPIXELS =  24; // Number of pixels in the   ring ^
14const int      SS_PIN    =  10; // Data PIN for MFRC522
15const int      RST_PIN    =  9; // Reset PIN for MFRC522
16const int      TIME      =  150; // Time between   each NeoPixel blink.
17
18// Defining needed variables for the NeoPixel: pixels
19Adafruit_NeoPixel   pixels = Adafruit_NeoPixel(NUMPIXELS, PIN, NEO_GRB + NEO_KHZ800);
20
21/**
22   * Setting up color definitions for easier use later.
23 * They're defined as RGB   (Red, Green, Blue) and values
24 * are between 0 and 255. 
25 * 0 being no intensity.
26   * 255 for full intensity.
27 */
28const uint32_t red       =  pixels.Color(255,   0, 0);
29const uint32_t green     =  pixels.Color(0, 255, 0);
30const uint32_t   yellow    =  pixels.Color(255, 255, 0);
31const uint32_t blank     =  pixels.Color(0,   0, 0);
32
33/**
34 * Prepares the RFID with the assigned Arduino ports
35 */
36MFRC522   rfid(SS_PIN, RST_PIN); // Prepares PINS
37
38/**
39 * Function setup:
40 * Description:   Main function for Arduino programming language. It only
41 *              runs   once during startup of Arduino.
42 *              Here it initates the console   output for our reading
43 *              convenience. It also initialises the Neopixel   ring
44 *              and sets the intensity to 20 out off
45 */
46void setup()   {
47  Serial.begin(9600);
48  Serial.println("Starting all...\
49\
50");
51  pixels.begin();
52   pixels.setBrightness(20); // This is to make sure the lights won't burn up.
53   SPI.begin(); // Make the NeoPixel and microcontroller communicate
54  rfid.PCD_Init();   
55}
56
57/**
58 * Function loop:
59 * Desc: This part is the one that repeats   over and over again.
60 * It involves the process behind the whole script.
61   */
62void loop() {
63  /**
64   * Sets all NeoPixels to yellow at the start of   the loop.
65   */
66  setAll(yellow);
67  
68  /*
69  * For as long as no card   is readable by the scanner, it stops further
70  * code execution.
71  */
72   if (!rfid.PICC_IsNewCardPresent() || !rfid.PICC_ReadCardSerial()){
73    return;
74   }
75  /**
76   * It reads the RFID card type here, if it does not match any
77    * known types, it stops code execution and returns to loop.
78   */
79  MFRC522::PICC_Type   piccType = rfid.PICC_GetType(rfid.uid.sak);
80  if (piccType != MFRC522::PICC_TYPE_MIFARE_MINI   &&
81      piccType != MFRC522::PICC_TYPE_MIFARE_1K &&
82      piccType != MFRC522::PICC_TYPE_MIFARE_4K)   {
83    Serial.println(F("Your tag is not of type MIFARE Classic."));
84    return;
85   }
86  /**
87   * Makes output from the RFID reader readable by the code.
88    */
89  String strID = "";
90  for (byte i = 0; i < 4; i++) {
91    strID   +=
92      (rfid.uid.uidByte[i] < 0x10 ? "0" : "") +
93      String(rfid.uid.uidByte[i],   HEX) +
94      (i != 3 ? ":" : "");
95  }
96  strID.toUpperCase();
97  
98   /**
99   * Starts validating if the card is accepted or not.
100   * For more,   see the function and card ID's on line 152
101   */
102  if (validateCard(strID))   {
103    Serial.println("*** Access granted! ***");
104    Serial.print("***   The source was just accessed by a card with this ID: ");
105    Serial.println(strID);
106     Serial.print("");
107    /**
108     * Gives visual feedback through the Adafruit   NeoPixel (24)
109     * by blinking between green and off 10 times.
110     */
111     for(int i=0;i<10;i++){ 
112      setAll(green);
113      delay(TIME);
114      setAll(blank);
115       delay(TIME);
116    }
117    return;
118  } else {
119    Serial.println("***   Access denied! ***");
120    Serial.print("*** You tried a card with this id:   ");
121    Serial.println(strID);
122    Serial.println("");
123    /**
124     *   Gives visual feedback through the Adafruit NeoPixel (24)
125     * by blinking between   red and off 4 times.
126     */
127    for(int i=0;i<4;i++){ 
128      setAll(red);
129       delay(TIME);
130      setAll(blank);
131      delay(TIME);
132    }
133    return;
134   }
135}
136
137/**
138 * Function setAll:
139 * Description: Sets all pixels as   defined in the
140 * configuration
141 */
142void setAll(uint32_t color) {
143  for(int   i=0;i<NUMPIXELS;i++) {
144    pixels.setPixelColor(i, color);
145    pixels.show();
146   }
147}
148
149/**
150 * Function validateCard:
151 * Description: Checks ID of   card and returns either
152 * true or false depending on the card ID.
153 */
154bool   validateCard(String usercard) {
155  // Insert your own card ID's here, insert more   with else if under
156  if(usercard.indexOf("AA:BB:CC:DD") >= 0) { /* Insert your   own card ID here */
157    return true;
158  } else if(usercard.indexOf("AA:BB:CC:DD")   >= 0) { /* If you have more cards, add another ID here */
159    return true;
160   } else return false; /* Couldn't match any of the above, no valid cards */
161}

1#include <Adafruit_NeoPixel.h>
2#include <MFRC522.h>
3/**
4 * Remember  to import the following libraries from the 
5 * Library Manager:
6 * - Adafruit  NeoPixel v. 1.10.5 by Adafruit (https://github.com/adafruit/Adafruit_NeoPixel)
7  * - MFRC522 v. 1.4.10 by GithubCommunity (https://github.com/miguelbalboa/rfid)
8  */
9
10// Setup of configurations
11const int      delayval  =  50; // Time  each pixel pauses to do it's duty.
12const int      PIN       =  6; // Data output  to Adafruit NeoPixel
13const int      NUMPIXELS =  24; // Number of pixels in the  ring ^
14const int      SS_PIN    =  10; // Data PIN for MFRC522
15const int      RST_PIN   =  9; // Reset PIN for MFRC522
16const int      TIME      =  150; // Time between  each NeoPixel blink.
17
18// Defining needed variables for the NeoPixel: pixels
19Adafruit_NeoPixel  pixels = Adafruit_NeoPixel(NUMPIXELS, PIN, NEO_GRB + NEO_KHZ800);
20
21/**
22  * Setting up color definitions for easier use later.
23 * They're defined as RGB  (Red, Green, Blue) and values
24 * are between 0 and 255. 
25 * 0 being no intensity.
26  * 255 for full intensity.
27 */
28const uint32_t red       =  pixels.Color(255,  0, 0);
29const uint32_t green     =  pixels.Color(0, 255, 0);
30const uint32_t  yellow    =  pixels.Color(255, 255, 0);
31const uint32_t blank     =  pixels.Color(0,  0, 0);
32
33/**
34 * Prepares the RFID with the assigned Arduino ports
35 */
36MFRC522  rfid(SS_PIN, RST_PIN); // Prepares PINS
37
38/**
39 * Function setup:
40 * Description:  Main function for Arduino programming language. It only
41 *              runs  once during startup of Arduino.
42 *              Here it initates the console  output for our reading
43 *              convenience. It also initialises the Neopixel  ring
44 *              and sets the intensity to 20 out off
45 */
46void setup()  {
47  Serial.begin(9600);
48  Serial.println("Starting all...\
49\
50");
51  pixels.begin();
52  pixels.setBrightness(20); // This is to make sure the lights won't burn up.
53  SPI.begin(); // Make the NeoPixel and microcontroller communicate
54  rfid.PCD_Init();  
55}
56
57/**
58 * Function loop:
59 * Desc: This part is the one that repeats  over and over again.
60 * It involves the process behind the whole script.
61  */
62void loop() {
63  /**
64   * Sets all NeoPixels to yellow at the start of  the loop.
65   */
66  setAll(yellow);
67  
68  /*
69  * For as long as no card  is readable by the scanner, it stops further
70  * code execution.
71  */
72  if (!rfid.PICC_IsNewCardPresent() || !rfid.PICC_ReadCardSerial()){
73    return;
74  }
75  /**
76   * It reads the RFID card type here, if it does not match any
77   * known types, it stops code execution and returns to loop.
78   */
79  MFRC522::PICC_Type  piccType = rfid.PICC_GetType(rfid.uid.sak);
80  if (piccType != MFRC522::PICC_TYPE_MIFARE_MINI  &&
81      piccType != MFRC522::PICC_TYPE_MIFARE_1K &&
82      piccType != MFRC522::PICC_TYPE_MIFARE_4K)  {
83    Serial.println(F("Your tag is not of type MIFARE Classic."));
84    return;
85  }
86  /**
87   * Makes output from the RFID reader readable by the code.
88   */
89  String strID = "";
90  for (byte i = 0; i < 4; i++) {
91    strID  +=
92      (rfid.uid.uidByte[i] < 0x10 ? "0" : "") +
93      String(rfid.uid.uidByte[i],  HEX) +
94      (i != 3 ? ":" : "");
95  }
96  strID.toUpperCase();
97  
98  /**
99   * Starts validating if the card is accepted or not.
100   * For more,  see the function and card ID's on line 152
101   */
102  if (validateCard(strID))  {
103    Serial.println("*** Access granted! ***");
104    Serial.print("***  The source was just accessed by a card with this ID: ");
105    Serial.println(strID);
106    Serial.print("");
107    /**
108     * Gives visual feedback through the Adafruit  NeoPixel (24)
109     * by blinking between green and off 10 times.
110     */
111    for(int i=0;i<10;i++){ 
112      setAll(green);
113      delay(TIME);
114      setAll(blank);
115      delay(TIME);
116    }
117    return;
118  } else {
119    Serial.println("***  Access denied! ***");
120    Serial.print("*** You tried a card with this id:  ");
121    Serial.println(strID);
122    Serial.println("");
123    /**
124     *  Gives visual feedback through the Adafruit NeoPixel (24)
125     * by blinking between  red and off 4 times.
126     */
127    for(int i=0;i<4;i++){ 
128      setAll(red);
129      delay(TIME);
130      setAll(blank);
131      delay(TIME);
132    }
133    return;
134  }
135}
136
137/**
138 * Function setAll:
139 * Description: Sets all pixels as  defined in the
140 * configuration
141 */
142void setAll(uint32_t color) {
143  for(int  i=0;i<NUMPIXELS;i++) {
144    pixels.setPixelColor(i, color);
145    pixels.show();
146  }
147}
148
149/**
150 * Function validateCard:
151 * Description: Checks ID of  card and returns either
152 * true or false depending on the card ID.
153 */
154bool  validateCard(String usercard) {
155  // Insert your own card ID's here, insert more  with else if under
156  if(usercard.indexOf("AA:BB:CC:DD") >= 0) { /* Insert your  own card ID here */
157    return true;
158  } else if(usercard.indexOf("AA:BB:CC:DD")  >= 0) { /* If you have more cards, add another ID here */
159    return true;
160  } else return false; /* Couldn't match any of the above, no valid cards */
161}