The MBED firmware used on the Chipin sorter, developed over 12 weeks for a 3rd year university systems project. Chipin is a token sorter, it sorts tokens by colours and dispenses them to order through an online booking system and card reader. This program interfaces with an FPGA, PC and LCD screen to control the sorter. The sorter has an operation mode where it can process orders when a card is entered into the machine. There is also a maintenance mode where the device responds to maintenance instructions such as 'dispense all'. More information at http://www.ionsystems.uk/
Dependencies: MCP23017 TCS3472_I2C WattBob_TextLCD mbed-rtos mbed
serialCommunication.h@23:f9e7e64784be, 2014-11-29 (annotated)
- Committer:
- IonSystems
- Date:
- Sat Nov 29 16:32:57 2014 +0000
- Revision:
- 23:f9e7e64784be
- Parent:
- 22:8f11d1c178ab
- Child:
- 24:8868101d01d0
might be working
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
IonSystems | 10:8c0696b99692 | 1 | #include "cardReader.h" |
IonSystems | 10:8c0696b99692 | 2 | |
IonSystems | 23:f9e7e64784be | 3 | char bitToChar(bool bit) |
IonSystems | 23:f9e7e64784be | 4 | { |
IonSystems | 23:f9e7e64784be | 5 | if(bit == 0) { |
IonSystems | 23:f9e7e64784be | 6 | return '0'; |
IonSystems | 23:f9e7e64784be | 7 | } else if(bit == 1) { |
IonSystems | 23:f9e7e64784be | 8 | return '1'; |
IonSystems | 23:f9e7e64784be | 9 | } else { |
IonSystems | 23:f9e7e64784be | 10 | return NULL; |
IonSystems | 23:f9e7e64784be | 11 | } |
IonSystems | 10:8c0696b99692 | 12 | } |
IonSystems | 10:8c0696b99692 | 13 | |
IonSystems | 23:f9e7e64784be | 14 | void sendCharacter(char ch) |
IonSystems | 23:f9e7e64784be | 15 | { |
IonSystems | 23:f9e7e64784be | 16 | pc.putc(ch); |
IonSystems | 10:8c0696b99692 | 17 | } |
IonSystems | 10:8c0696b99692 | 18 | |
IonSystems | 23:f9e7e64784be | 19 | void sendString(char* ch) |
IonSystems | 23:f9e7e64784be | 20 | { |
IonSystems | 23:f9e7e64784be | 21 | pc.puts(ch); |
IonSystems | 10:8c0696b99692 | 22 | } |
IonSystems | 10:8c0696b99692 | 23 | |
IonSystems | 23:f9e7e64784be | 24 | void processMessage(char c) |
IonSystems | 23:f9e7e64784be | 25 | { |
IonSystems | 23:f9e7e64784be | 26 | switch(c) { |
IonSystems | 23:f9e7e64784be | 27 | case 'a' : { //Dispense red |
IonSystems | 23:f9e7e64784be | 28 | dispense(RED); |
IonSystems | 23:f9e7e64784be | 29 | sendCharacter('A'); |
IonSystems | 6:e64796f1f384 | 30 | break; |
IonSystems | 23:f9e7e64784be | 31 | } |
IonSystems | 23:f9e7e64784be | 32 | { |
IonSystems | 10:8c0696b99692 | 33 | case 'b' : //dispense green |
IonSystems | 10:8c0696b99692 | 34 | dispense(GREEN); |
IonSystems | 10:8c0696b99692 | 35 | sendCharacter('B'); |
IonSystems | 23:f9e7e64784be | 36 | break; |
IonSystems | 20:6de191ac7ff3 | 37 | } |
IonSystems | 20:6de191ac7ff3 | 38 | { |
IonSystems | 10:8c0696b99692 | 39 | case 'c': //dispense blue |
IonSystems | 10:8c0696b99692 | 40 | dispense(BLUE); |
IonSystems | 10:8c0696b99692 | 41 | sendCharacter('C'); |
IonSystems | 23:f9e7e64784be | 42 | break; |
IonSystems | 20:6de191ac7ff3 | 43 | } |
IonSystems | 20:6de191ac7ff3 | 44 | { |
IonSystems | 6:e64796f1f384 | 45 | case 'C':// Read card command |
IonSystems | 23:f9e7e64784be | 46 | printLCD("Reading Card"); |
IonSystems | 23:f9e7e64784be | 47 | break; |
IonSystems | 20:6de191ac7ff3 | 48 | } |
IonSystems | 20:6de191ac7ff3 | 49 | { |
IonSystems | 6:e64796f1f384 | 50 | case 'X': |
IonSystems | 6:e64796f1f384 | 51 | sendCharacter('X'); //Notify the PC that this is an MBED |
IonSystems | 6:e64796f1f384 | 52 | printLCD("Connected to PC"); |
IonSystems | 23:f9e7e64784be | 53 | break; |
IonSystems | 20:6de191ac7ff3 | 54 | } |
IonSystems | 20:6de191ac7ff3 | 55 | { |
IonSystems | 22:8f11d1c178ab | 56 | case 'd': //Sort Bin |
IonSystems | 22:8f11d1c178ab | 57 | sort(BIN); |
IonSystems | 6:e64796f1f384 | 58 | sendCharacter('D'); |
IonSystems | 23:f9e7e64784be | 59 | break; |
IonSystems | 20:6de191ac7ff3 | 60 | } |
IonSystems | 20:6de191ac7ff3 | 61 | { |
IonSystems | 23:f9e7e64784be | 62 | |
IonSystems | 12:814a8fdbb6f7 | 63 | case 'o': //testServoredBlueLeft |
IonSystems | 12:814a8fdbb6f7 | 64 | maintain(RB_LEFT); |
IonSystems | 12:814a8fdbb6f7 | 65 | sendCharacter('O'); |
IonSystems | 23:f9e7e64784be | 66 | break; |
IonSystems | 20:6de191ac7ff3 | 67 | } |
IonSystems | 20:6de191ac7ff3 | 68 | { |
IonSystems | 23:f9e7e64784be | 69 | |
IonSystems | 10:8c0696b99692 | 70 | case 'p': |
IonSystems | 12:814a8fdbb6f7 | 71 | maintain(RB_CENTRE); |
IonSystems | 12:814a8fdbb6f7 | 72 | sendCharacter('P'); |
IonSystems | 23:f9e7e64784be | 73 | break; |
IonSystems | 20:6de191ac7ff3 | 74 | } |
IonSystems | 20:6de191ac7ff3 | 75 | { |
IonSystems | 23:f9e7e64784be | 76 | |
IonSystems | 10:8c0696b99692 | 77 | case 'q': |
IonSystems | 12:814a8fdbb6f7 | 78 | maintain(RB_RIGHT); |
IonSystems | 12:814a8fdbb6f7 | 79 | sendCharacter('O'); |
IonSystems | 23:f9e7e64784be | 80 | break; |
IonSystems | 20:6de191ac7ff3 | 81 | } |
IonSystems | 20:6de191ac7ff3 | 82 | { |
IonSystems | 10:8c0696b99692 | 83 | case 's': |
IonSystems | 12:814a8fdbb6f7 | 84 | maintain(GO_UP); |
IonSystems | 12:814a8fdbb6f7 | 85 | sendCharacter('S'); |
IonSystems | 23:f9e7e64784be | 86 | break; |
IonSystems | 20:6de191ac7ff3 | 87 | } |
IonSystems | 20:6de191ac7ff3 | 88 | { |
IonSystems | 10:8c0696b99692 | 89 | case 't': |
IonSystems | 12:814a8fdbb6f7 | 90 | maintain(GO_CENTRE); |
IonSystems | 12:814a8fdbb6f7 | 91 | sendCharacter('T'); |
IonSystems | 23:f9e7e64784be | 92 | break; |
IonSystems | 20:6de191ac7ff3 | 93 | } |
IonSystems | 20:6de191ac7ff3 | 94 | { |
IonSystems | 10:8c0696b99692 | 95 | case 'u': |
IonSystems | 12:814a8fdbb6f7 | 96 | maintain(GO_DOWN); |
IonSystems | 12:814a8fdbb6f7 | 97 | sendCharacter('U'); |
IonSystems | 23:f9e7e64784be | 98 | break; |
IonSystems | 20:6de191ac7ff3 | 99 | } |
IonSystems | 23:f9e7e64784be | 100 | |
IonSystems | 20:6de191ac7ff3 | 101 | { |
IonSystems | 10:8c0696b99692 | 102 | case 'v': |
IonSystems | 12:814a8fdbb6f7 | 103 | maintain(BR_LEFT); |
IonSystems | 12:814a8fdbb6f7 | 104 | sendCharacter('V'); |
IonSystems | 23:f9e7e64784be | 105 | break; |
IonSystems | 20:6de191ac7ff3 | 106 | } |
IonSystems | 20:6de191ac7ff3 | 107 | { |
IonSystems | 10:8c0696b99692 | 108 | case 'w': |
IonSystems | 22:8f11d1c178ab | 109 | maintain(BR_RIGHT); |
IonSystems | 12:814a8fdbb6f7 | 110 | sendCharacter('O'); |
IonSystems | 23:f9e7e64784be | 111 | break; |
IonSystems | 20:6de191ac7ff3 | 112 | } |
IonSystems | 20:6de191ac7ff3 | 113 | { |
IonSystems | 10:8c0696b99692 | 114 | case 'j': |
IonSystems | 10:8c0696b99692 | 115 | sort(RED); |
IonSystems | 10:8c0696b99692 | 116 | sendCharacter('J'); |
IonSystems | 23:f9e7e64784be | 117 | break; |
IonSystems | 20:6de191ac7ff3 | 118 | } |
IonSystems | 20:6de191ac7ff3 | 119 | { |
IonSystems | 10:8c0696b99692 | 120 | case 'k': |
IonSystems | 10:8c0696b99692 | 121 | sort(GREEN); |
IonSystems | 10:8c0696b99692 | 122 | sendCharacter('K'); |
IonSystems | 23:f9e7e64784be | 123 | break; |
IonSystems | 20:6de191ac7ff3 | 124 | } |
IonSystems | 20:6de191ac7ff3 | 125 | { |
IonSystems | 10:8c0696b99692 | 126 | case 'l': |
IonSystems | 10:8c0696b99692 | 127 | sort(BLUE); |
IonSystems | 10:8c0696b99692 | 128 | sendCharacter('L'); |
IonSystems | 23:f9e7e64784be | 129 | break; |
IonSystems | 20:6de191ac7ff3 | 130 | } |
IonSystems | 20:6de191ac7ff3 | 131 | { |
IonSystems | 23:f9e7e64784be | 132 | |
IonSystems | 18:12e2c82a5a6c | 133 | case '0': //Dispense all |
IonSystems | 12:814a8fdbb6f7 | 134 | dispenseAll(); |
IonSystems | 18:12e2c82a5a6c | 135 | sendCharacter('1'); |
IonSystems | 23:f9e7e64784be | 136 | break; |
IonSystems | 20:6de191ac7ff3 | 137 | } |
IonSystems | 20:6de191ac7ff3 | 138 | { |
IonSystems | 19:78d4b78fa736 | 139 | case '2': |
IonSystems | 19:78d4b78fa736 | 140 | maintain(GO_CENTRE); |
IonSystems | 19:78d4b78fa736 | 141 | maintain(RB_CENTRE); |
IonSystems | 19:78d4b78fa736 | 142 | sendCharacter('3'); |
IonSystems | 23:f9e7e64784be | 143 | break; |
IonSystems | 20:6de191ac7ff3 | 144 | } |
IonSystems | 20:6de191ac7ff3 | 145 | { |
IonSystems | 20:6de191ac7ff3 | 146 | case '4': |
IonSystems | 23:f9e7e64784be | 147 | lift(); |
IonSystems | 23:f9e7e64784be | 148 | sendCharacter('5'); |
IonSystems | 23:f9e7e64784be | 149 | break; |
IonSystems | 20:6de191ac7ff3 | 150 | } |
IonSystems | 22:8f11d1c178ab | 151 | { |
IonSystems | 22:8f11d1c178ab | 152 | case 'e': |
IonSystems | 23:f9e7e64784be | 153 | recycle(); |
IonSystems | 23:f9e7e64784be | 154 | sendCharacter('E'); |
IonSystems | 23:f9e7e64784be | 155 | break; |
IonSystems | 22:8f11d1c178ab | 156 | } |
IonSystems | 23:f9e7e64784be | 157 | } |
IonSystems | 23:f9e7e64784be | 158 | } |
IonSystems | 23:f9e7e64784be | 159 | |
IonSystems | 23:f9e7e64784be | 160 | /*else if (operationMode){ |
IonSystems | 23:f9e7e64784be | 161 | switch(c){ |
IonSystems | 23:f9e7e64784be | 162 | case 'n':// Start sorting |
IonSystems | 23:f9e7e64784be | 163 | sendCharacter('N'); //Confirm to PC that we are processing the instruction. |
IonSystems | 23:f9e7e64784be | 164 | startSort = true; //Pulse the startSort control line to FPGA |
IonSystems | 23:f9e7e64784be | 165 | wait(0.1); |
IonSystems | 23:f9e7e64784be | 166 | startSort = false; |
IonSystems | 23:f9e7e64784be | 167 | break; |
IonSystems | 23:f9e7e64784be | 168 | case 'o': //Start dispensing |
IonSystems | 23:f9e7e64784be | 169 | sendCharacter('O'); |
IonSystems | 23:f9e7e64784be | 170 | startDispense = true; //Pulse the startDispense control line to FPGA |
IonSystems | 23:f9e7e64784be | 171 | wait(0.1); |
IonSystems | 23:f9e7e64784be | 172 | startDispense = false; |
IonSystems | 23:f9e7e64784be | 173 | break; |
IonSystems | 23:f9e7e64784be | 174 | case 'p': // |
IonSystems | 23:f9e7e64784be | 175 | sendCharacter('P'); |
IonSystems | 23:f9e7e64784be | 176 | break; |
IonSystems | 10:8c0696b99692 | 177 | } |
IonSystems | 23:f9e7e64784be | 178 | } |
IonSystems | 10:8c0696b99692 | 179 | }*/ |
IonSystems | 23:f9e7e64784be | 180 | bool checkSerial() |
IonSystems | 23:f9e7e64784be | 181 | { |
IonSystems | 10:8c0696b99692 | 182 | printLCD(""); |
IonSystems | 23:f9e7e64784be | 183 | if(pc.readable()) { |
IonSystems | 10:8c0696b99692 | 184 | char c = pc.getc(); |
IonSystems | 10:8c0696b99692 | 185 | processMessage(c); |
IonSystems | 10:8c0696b99692 | 186 | return true; |
IonSystems | 23:f9e7e64784be | 187 | } else { |
IonSystems | 10:8c0696b99692 | 188 | return false; |
IonSystems | 10:8c0696b99692 | 189 | } |
IonSystems | 6:e64796f1f384 | 190 | } |
IonSystems | 23:f9e7e64784be | 191 | bool readCharacter() |
IonSystems | 23:f9e7e64784be | 192 | { |
IonSystems | 10:8c0696b99692 | 193 | char c = pc.getc(); //wait for a serial character to be recieved. |
IonSystems | 10:8c0696b99692 | 194 | processMessage(c); //Do something, based on the character recieved. |
IonSystems | 10:8c0696b99692 | 195 | return true; |
IonSystems | 6:e64796f1f384 | 196 | } |
IonSystems | 23:f9e7e64784be | 197 | |
IonSystems | 15:0c5f20e15b6a | 198 | /* Set the PC's laguage to whatever our language is |
IonSystems | 15:0c5f20e15b6a | 199 | */ |
IonSystems | 23:f9e7e64784be | 200 | void sendLanguageCharacter() |
IonSystems | 23:f9e7e64784be | 201 | { |
IonSystems | 23:f9e7e64784be | 202 | switch(currentLanguage) { |
IonSystems | 15:0c5f20e15b6a | 203 | case ENGLISH: |
IonSystems | 23:f9e7e64784be | 204 | printLCD("Setting language to English"); |
IonSystems | 23:f9e7e64784be | 205 | sendCharacter('Y'); |
IonSystems | 23:f9e7e64784be | 206 | printLCD("Language set to English"); |
IonSystems | 23:f9e7e64784be | 207 | break; |
IonSystems | 23:f9e7e64784be | 208 | |
IonSystems | 15:0c5f20e15b6a | 209 | case FRENCH: |
IonSystems | 23:f9e7e64784be | 210 | printLCD("Setting language to French"); |
IonSystems | 23:f9e7e64784be | 211 | sendCharacter('Z'); |
IonSystems | 23:f9e7e64784be | 212 | printLCD("Language set to French"); |
IonSystems | 23:f9e7e64784be | 213 | break; |
IonSystems | 23:f9e7e64784be | 214 | |
IonSystems | 15:0c5f20e15b6a | 215 | case GERMAN: |
IonSystems | 23:f9e7e64784be | 216 | printLCD("Setting language to German"); |
IonSystems | 23:f9e7e64784be | 217 | sendCharacter('!'); |
IonSystems | 23:f9e7e64784be | 218 | printLCD("Language set to German"); |
IonSystems | 23:f9e7e64784be | 219 | break; |
IonSystems | 15:0c5f20e15b6a | 220 | } |
IonSystems | 23:f9e7e64784be | 221 | } |
IonSystems | 6:e64796f1f384 | 222 | |
IonSystems | 10:8c0696b99692 | 223 |