Ben Kim / Mbed 2 deprecated Skittles Dispenser using Bluetooth or Touchpad

Skittles Dispenser by Benjamin Kim and Alex Zdanov

Dependencies:   4DGL-uLCD-SE HC_SR04_Ultrasonic_Library LSM9DS1_Library_cal Servo mbed

main.cpp@0:2094aa9eeb53, 2017-03-11 (annotated)

Committer:
bkim334
Date:
Sat Mar 11 21:40:03 2017 +0000
Revision:
0:2094aa9eeb53
Child:
1:1099d4500d8a
After trying the RFID;

Who changed what in which revision?

UserRevisionLine numberNew contents of line
bkim334 0:2094aa9eeb53 1 #include "mbed.h"
bkim334 0:2094aa9eeb53 2 #include "LSM9DS1.h" //Accelerometer
bkim334 0:2094aa9eeb53 3 #include "uLCD_4DGL.h" //LCD
bkim334 0:2094aa9eeb53 4 #define MAX_BITS 100 // max number of bits
bkim334 0:2094aa9eeb53 5 #define WEIGAND_WAIT_TIME 3000 // time to wait for another weigand pulse.
bkim334 0:2094aa9eeb53 6
bkim334 0:2094aa9eeb53 7 int databits[MAX_BITS]; // stores all of the data bits
bkim334 0:2094aa9eeb53 8 int bitCount; // number of bits currently captured
bkim334 0:2094aa9eeb53 9 int flagDone; // goes low when data is currently being captured
bkim334 0:2094aa9eeb53 10 int weigand_counter; // countdown until we assume there are no more bits
bkim334 0:2094aa9eeb53 11
bkim334 0:2094aa9eeb53 12 unsigned long facilityCode=0; // decoded facility code
bkim334 0:2094aa9eeb53 13 unsigned long cardCode=0; // decoded card code
bkim334 0:2094aa9eeb53 14
bkim334 0:2094aa9eeb53 15
bkim334 0:2094aa9eeb53 16 DigitalOut LED_GREEN(p15);
bkim334 0:2094aa9eeb53 17 DigitalIn dataIn(p10);
bkim334 0:2094aa9eeb53 18 DigitalIn Clock(p5);
bkim334 0:2094aa9eeb53 19
bkim334 0:2094aa9eeb53 20
bkim334 0:2094aa9eeb53 21 InterruptIn int0(p10);
bkim334 0:2094aa9eeb53 22 InterruptIn int1(p5);
bkim334 0:2094aa9eeb53 23
bkim334 0:2094aa9eeb53 24 uLCD_4DGL uLCD(p28, p27, p29); // serial tx, serial rx, reset pin;
bkim334 0:2094aa9eeb53 25 DigitalOut myled(LED1);
bkim334 0:2094aa9eeb53 26
bkim334 0:2094aa9eeb53 27 /*int LED_GREEN = 11;
bkim334 0:2094aa9eeb53 28 int LED_RED = 12;
bkim334 0:2094aa9eeb53 29 int BEEP_BEEP = 10;*/
bkim334 0:2094aa9eeb53 30
bkim334 0:2094aa9eeb53 31 // interrupt that happens when INTO goes low (0 bit)
bkim334 0:2094aa9eeb53 32 void ISR_INT0()
bkim334 0:2094aa9eeb53 33 {
bkim334 0:2094aa9eeb53 34 //uLCD.print("0"); // uncomment this line to display raw binary
bkim334 0:2094aa9eeb53 35 bitCount++;
bkim334 0:2094aa9eeb53 36 flagDone = 0;
bkim334 0:2094aa9eeb53 37 weigand_counter = WEIGAND_WAIT_TIME;
bkim334 0:2094aa9eeb53 38
bkim334 0:2094aa9eeb53 39 }
bkim334 0:2094aa9eeb53 40
bkim334 0:2094aa9eeb53 41 // interrupt that happens when INT1 goes low (1 bit)
bkim334 0:2094aa9eeb53 42 void ISR_INT1()
bkim334 0:2094aa9eeb53 43 {
bkim334 0:2094aa9eeb53 44 //uLCD.print("1"); // uncomment this line to display raw binary
bkim334 0:2094aa9eeb53 45 databits[bitCount] = 1;
bkim334 0:2094aa9eeb53 46 bitCount++;
bkim334 0:2094aa9eeb53 47 flagDone = 0;
bkim334 0:2094aa9eeb53 48 weigand_counter = WEIGAND_WAIT_TIME;
bkim334 0:2094aa9eeb53 49 }
bkim334 0:2094aa9eeb53 50
bkim334 0:2094aa9eeb53 51 void setup()
bkim334 0:2094aa9eeb53 52 {
bkim334 0:2094aa9eeb53 53 LED_GREEN = 1;
bkim334 0:2094aa9eeb53 54 myled = 1;
bkim334 0:2094aa9eeb53 55 uLCD.printf("RFID Reader Setup");
bkim334 0:2094aa9eeb53 56 int0.fall(&ISR_INT0);
bkim334 0:2094aa9eeb53 57 int1.fall(&ISR_INT1);
bkim334 0:2094aa9eeb53 58 /*pinMode(LED_RED, OUTPUT);
bkim334 0:2094aa9eeb53 59 pinMode(LED_GREEN, OUTPUT);
bkim334 0:2094aa9eeb53 60 pinMode(BEEP_BEEP, OUTPUT);
bkim334 0:2094aa9eeb53 61 digitalWrite(LED_RED, HIGH); // High = Off
bkim334 0:2094aa9eeb53 62 digitalWrite(BEEP_BEEP, HIGH); // High = off
bkim334 0:2094aa9eeb53 63 digitalWrite(LED_GREEN, LOW); // Low = On
bkim334 0:2094aa9eeb53 64 pinMode(2, INPUT); // DATA0 (INT0)
bkim334 0:2094aa9eeb53 65 pinMode(3, INPUT); // DATA1 (INT1)
bkim334 0:2094aa9eeb53 66
bkim334 0:2094aa9eeb53 67 uLCD.begin(9600);
bkim334 0:2094aa9eeb53 68 uLCD.println("RFID Readers");
bkim334 0:2094aa9eeb53 69
bkim334 0:2094aa9eeb53 70 // binds the ISR functions to the falling edge of INTO and INT1
bkim334 0:2094aa9eeb53 71 attachInterrupt(0, ISR_INT0, FALLING);
bkim334 0:2094aa9eeb53 72 attachInterrupt(1, ISR_INT1, FALLING);
bkim334 0:2094aa9eeb53 73 */
bkim334 0:2094aa9eeb53 74
bkim334 0:2094aa9eeb53 75 weigand_counter = WEIGAND_WAIT_TIME;
bkim334 0:2094aa9eeb53 76 }
bkim334 0:2094aa9eeb53 77
bkim334 0:2094aa9eeb53 78 void printBits()
bkim334 0:2094aa9eeb53 79 {
bkim334 0:2094aa9eeb53 80 uLCD.printf("FC = ");
bkim334 0:2094aa9eeb53 81 uLCD.printf("%lu", facilityCode);
bkim334 0:2094aa9eeb53 82 uLCD.printf(", CC = ");
bkim334 0:2094aa9eeb53 83 uLCD.printf("%lu", cardCode);
bkim334 0:2094aa9eeb53 84 }
bkim334 0:2094aa9eeb53 85
bkim334 0:2094aa9eeb53 86 void loop()
bkim334 0:2094aa9eeb53 87 {
bkim334 0:2094aa9eeb53 88 // This waits to make sure that there have been no more data pulses before processing data
bkim334 0:2094aa9eeb53 89 if (!flagDone) {
bkim334 0:2094aa9eeb53 90 if (--weigand_counter == 0)
bkim334 0:2094aa9eeb53 91 flagDone = 1;
bkim334 0:2094aa9eeb53 92 }
bkim334 0:2094aa9eeb53 93
bkim334 0:2094aa9eeb53 94 // if we have bits and we the weigand counter went out
bkim334 0:2094aa9eeb53 95 if (bitCount > 0 && flagDone) {
bkim334 0:2094aa9eeb53 96 int i;
bkim334 0:2094aa9eeb53 97
bkim334 0:2094aa9eeb53 98 uLCD.printf("Read ");
bkim334 0:2094aa9eeb53 99 uLCD.printf("%d", bitCount);
bkim334 0:2094aa9eeb53 100 uLCD.printf(" bits. ");
bkim334 0:2094aa9eeb53 101
bkim334 0:2094aa9eeb53 102 if (bitCount == 35) {
bkim334 0:2094aa9eeb53 103 // 35 bit HID Corporate 1000 format
bkim334 0:2094aa9eeb53 104 // facility code = bits 2 to 14
bkim334 0:2094aa9eeb53 105 for (i=2; i<14; i++) {
bkim334 0:2094aa9eeb53 106 facilityCode <<=1;
bkim334 0:2094aa9eeb53 107 facilityCode |= databits[i];
bkim334 0:2094aa9eeb53 108 }
bkim334 0:2094aa9eeb53 109
bkim334 0:2094aa9eeb53 110 // card code = bits 15 to 34
bkim334 0:2094aa9eeb53 111 for (i=14; i<34; i++) {
bkim334 0:2094aa9eeb53 112 cardCode <<=1;
bkim334 0:2094aa9eeb53 113 cardCode |= databits[i];
bkim334 0:2094aa9eeb53 114 }
bkim334 0:2094aa9eeb53 115
bkim334 0:2094aa9eeb53 116 printBits();
bkim334 0:2094aa9eeb53 117 } else if (bitCount == 26) {
bkim334 0:2094aa9eeb53 118 // standard 26 bit format
bkim334 0:2094aa9eeb53 119 // facility code = bits 2 to 9
bkim334 0:2094aa9eeb53 120 for (i=1; i<9; i++) {
bkim334 0:2094aa9eeb53 121 facilityCode <<=1;
bkim334 0:2094aa9eeb53 122 facilityCode |= databits[i];
bkim334 0:2094aa9eeb53 123 }
bkim334 0:2094aa9eeb53 124
bkim334 0:2094aa9eeb53 125 // card code = bits 10 to 23
bkim334 0:2094aa9eeb53 126 for (i=9; i<25; i++) {
bkim334 0:2094aa9eeb53 127 cardCode <<=1;
bkim334 0:2094aa9eeb53 128 cardCode |= databits[i];
bkim334 0:2094aa9eeb53 129 }
bkim334 0:2094aa9eeb53 130
bkim334 0:2094aa9eeb53 131 printBits();
bkim334 0:2094aa9eeb53 132 } else {
bkim334 0:2094aa9eeb53 133 // you can add other formats if you want!
bkim334 0:2094aa9eeb53 134 // uLCD.println("Unable to decode.");
bkim334 0:2094aa9eeb53 135 }
bkim334 0:2094aa9eeb53 136
bkim334 0:2094aa9eeb53 137 // cleanup and get ready for the next card
bkim334 0:2094aa9eeb53 138 bitCount = 0;
bkim334 0:2094aa9eeb53 139 facilityCode = 0;
bkim334 0:2094aa9eeb53 140 cardCode = 0;
bkim334 0:2094aa9eeb53 141 for (i=0; i<MAX_BITS; i++) {
bkim334 0:2094aa9eeb53 142 databits[i] = 0;
bkim334 0:2094aa9eeb53 143 }
bkim334 0:2094aa9eeb53 144 }
bkim334 0:2094aa9eeb53 145 }
bkim334 0:2094aa9eeb53 146
bkim334 0:2094aa9eeb53 147
bkim334 0:2094aa9eeb53 148
bkim334 0:2094aa9eeb53 149 Serial pc(USBTX, USBRX);
bkim334 0:2094aa9eeb53 150
bkim334 0:2094aa9eeb53 151 AnalogIn in(p20); //Proximity
bkim334 0:2094aa9eeb53 152 float voltage;
bkim334 0:2094aa9eeb53 153
bkim334 0:2094aa9eeb53 154 int IDNum;
bkim334 0:2094aa9eeb53 155
bkim334 0:2094aa9eeb53 156
bkim334 0:2094aa9eeb53 157 int main()
bkim334 0:2094aa9eeb53 158 {
bkim334 0:2094aa9eeb53 159 uLCD.cls();
bkim334 0:2094aa9eeb53 160
bkim334 0:2094aa9eeb53 161 /*LSM9DS1 IMU(p9, p10, 0xD6, 0x3C);
bkim334 0:2094aa9eeb53 162 IMU.begin();
bkim334 0:2094aa9eeb53 163 if (!IMU.begin()) {
bkim334 0:2094aa9eeb53 164 pc.printf("Failed to communicate with LSM9DS1.\n");
bkim334 0:2094aa9eeb53 165 }*/
bkim334 0:2094aa9eeb53 166
bkim334 0:2094aa9eeb53 167 setup();
bkim334 0:2094aa9eeb53 168 uLCD.printf("After Setup \n");
bkim334 0:2094aa9eeb53 169
bkim334 0:2094aa9eeb53 170 while(1) {
bkim334 0:2094aa9eeb53 171
bkim334 0:2094aa9eeb53 172 loop();
bkim334 0:2094aa9eeb53 173
bkim334 0:2094aa9eeb53 174 }
bkim334 0:2094aa9eeb53 175 }