This is a driver library for the popular QDSP-6064 bubble display. These miniature displays can be leveraged for small breadboard projects in order to display debug information or even in larger projects where LCD displays are unpractical.
Fork of BubbleDisplay by
bubble.h
- Committer:
- mdu7078
- Date:
- 2015-03-26
- Revision:
- 2:3604f34e944b
- Parent:
- 1:0dd75913f211
- Child:
- 3:1d85399fdea3
File content as of revision 2:3604f34e944b:
/* * * * * * * * * * * * * * * * * * * * * * * * * * * * This drives the popular QDSP-6064 bubble display. * * * * Created by: Michael Dushkoff (mad1841@rit.edu) * * * * * * * * * * * * * * * * * * * * * * * * * * * */ #ifndef BUBBLE_DISPLAY_H #define BUBBLE_DISPLAY_H #include "mbed.h" // Definitions #define DEF_DISPL_FREQ (10000.0) // 10kHz display frequency // LUT for character to display const char dispTabl[] = { 0x7E, // 0 0x30, // 1 0x6D, // 2 0x79, // 3 0x33, // 4 0x5B, // 5 0x5F, // 6 0x70, // 7 0x7F, // 8 0x7B, // 9 0x77, // 10 "A" 0x1F, // 11 "B" 0x4E, // 12 "C" 0x3D, // 13 "D" 0x4F, // 14 "E" 0x47, // 15 "F" 0x00, // 16 NO DISPLAY 0x00, // 17 NO DISPLAY 0x00, // 18 NO DISPLAY 0x00, // 19 NO DISPLAY 0x00, // 20 NO DISPLAY 0x00, // 21 NO DISPLAY 0x00, // 22 NO DISPLAY 0x00, // 23 NO DISPLAY 0x00, // 24 NO DISPLAY 0x00, // 25 NO DISPLAY 0x00, // 26 NO DISPLAY 0x00, // 27 NO DISPLAY 0x00, // 28 NO DISPLAY 0x00, // 29 NO DISPLAY 0x00, // 30 NO DISPLAY 0x00, // 31 NO DISPLAY 0x00, // 32 ' ' 0x00, // 33 '!' NO DISPLAY 0x22, // 34 '"' 0x00, // 35 '#' NO DISPLAY 0x00, // 36 '$' NO DISPLAY 0x00, // 37 '%' NO DISPLAY 0x00, // 38 '&' NO DISPLAY 0x20, // 39 ''' 0x4E, // 40 '(' 0x78, // 41 ')' 0x00, // 42 '*' NO DISPLAY 0x00, // 43 '+' NO DISPLAY 0x04, // 44 ',' 0x01, // 45 '-' 0x80, // 46 '.' Decimal 0x00, // 47 '/' NO DISPLAY 0x7E, // 48 '0' 0x30, // 49 '1' 0x6D, // 50 '2' 0x79, // 51 '3' 0x33, // 52 '4' 0x5B, // 53 '5' 0x5F, // 54 '6' 0x70, // 55 '7' 0x7F, // 56 '8' 0x7B, // 57 '9' 0x00, // 58 ':' NO DISPLAY 0x00, // 59 ';' NO DISPLAY 0x00, // 60 '<' NO DISPLAY 0x00, // 61 '=' NO DISPLAY 0x00, // 62 '>' NO DISPLAY 0x00, // 63 '?' NO DISPLAY 0x00, // 64 '@' NO DISPLAY 0x77, // 65 'A' 0x1F, // 66 'B' 0x4E, // 67 'C' 0x3D, // 68 'D' 0x4F, // 69 'E' 0x47, // 70 'F' 0x5E, // 71 'G' 0x37, // 72 'H' 0x30, // 73 'I' 0x38, // 74 'J' 0x00, // 75 'K' NO DISPLAY 0x0E, // 76 'L' 0x00, // 77 'M' NO DISPLAY 0x15, // 78 'N' 0x7E, // 79 'O' 0x67, // 80 'P' 0x73, // 81 'Q' 0x05, // 82 'R' 0x5B, // 83 'S' 0x0F, // 84 'T' 0x3E, // 85 'U' 0x00, // 86 'V' NO DISPLAY 0x00, // 87 'W' NO DISPLAY 0x00, // 88 'X' NO DISPLAY 0x3B, // 89 'Y' 0x00, // 90 'Z' NO DISPLAY 0x4E, // 91 '[' 0x00, // 92 '\' NO DISPLAY 0x78, // 93 ']' 0x00, // 94 '^' NO DISPLAY 0x08, // 95 '_' 0x02, // 96 '`' 0x77, // 97 'a' SAME AS CAP 0x1F, // 98 'b' SAME AS CAP 0x0D, // 99 'c' 0x3D, // 100 'd' SAME AS CAP 0x6F, // 101 'e' 0x47, // 102 'f' SAME AS CAP 0x5E, // 103 'g' SAME AS CAP 0x17, // 104 'h' 0x10, // 105 'i' 0x38, // 106 'j' SAME AS CAP 0x00, // 107 'k' NO DISPLAY 0x30, // 108 'l' 0x00, // 109 'm' NO DISPLAY 0x15, // 110 'n' SAME AS CAP 0x1D, // 111 'o' 0x67, // 112 'p' SAME AS CAP 0x73, // 113 'q' SAME AS CAP 0x05, // 114 'r' SAME AS CAP 0x5B, // 115 's' SAME AS CAP 0x0F, // 116 't' SAME AS CAP 0x1C, // 117 'u' 0x00, // 118 'b' NO DISPLAY 0x00, // 119 'w' NO DISPLAY 0x00, // 120 'x' NO DISPLAY 0x00, // 121 'y' NO DISPLAY 0x00, // 122 'z' NO DISPLAY 0x00, // 123 '0b' NO DISPLAY 0x00, // 124 '|' NO DISPLAY 0x00, // 125 ',' NO DISPLAY 0x00, // 126 '~' NO DISPLAY 0x00, // 127 'DEL' NO DISPLAY }; class BubbleDisplay{ public: /* * This is the default BubbleDisplay constructor that * maps the pins in a simple way for the LPC11U24. */ BubbleDisplay(); /* * This allows a user to map the pins of the bubble display * to any possible pin that they desire. */ BubbleDisplay(PinName m0, PinName m1, PinName m2, PinName m3, PinName m4, PinName m5, PinName m6, PinName m7, PinName m8, PinName m9, PinName m10, PinName m11); /* * Default destructor */ ~BubbleDisplay(); /* * This sets the cycle frequency to a specific value instead of the * default 10kHz. */ void setFreq(double freq); /* * This writes a sequence of characters from left to right * to the seven-segment displays. */ void write(char c1, char c2, char c3, char c4); /* * This writes a sequence of characters from left to right * to the seven-segment displays. */ void write(char* c); private: /* * This is a constructor helper function */ void init(PinName m0, PinName m1, PinName m2, PinName m3, PinName m4, PinName m5, PinName m6, PinName m7, PinName m8, PinName m9, PinName m10, PinName m11); /* * This cycles through the four seven segment displays on the * bubble display by switching on and off the correct cathodes. */ void cycle(); /* Private variables */ Ticker _cycler; double _freq; // The cycle frequency char _seg; // The current display number // All of the pins DigitalOut* _cat1; DigitalOut* _anE; DigitalOut* _anC; DigitalOut* _cat3; DigitalOut* _anDP; DigitalOut* _cat4; DigitalOut* _anG; DigitalOut* _anD; DigitalOut* _anF; DigitalOut* _cat2; DigitalOut* _anB; DigitalOut* _anA; // Segement values char _chrs[4]; }; #endif