6 x 7 segment display library for PCA9637 driven breakout board
Dependents: FTSE100 InternetDispBoB digitalThermometer Counter ... more
dispBoB.cpp@6:1721cdf1024e, 2011-06-29 (annotated)
- Committer:
- d_worrall
- Date:
- Wed Jun 29 13:24:44 2011 +0000
- Revision:
- 6:1721cdf1024e
- Parent:
- 0:843654413849
- Child:
- 7:adcfb0f5e4de
version2
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
d_worrall | 0:843654413849 | 1 | //NXP PCA9635 library |
d_worrall | 0:843654413849 | 2 | //mbed Team - 28th June 2011 |
d_worrall | 0:843654413849 | 3 | //Daniel Worrall |
d_worrall | 0:843654413849 | 4 | |
d_worrall | 0:843654413849 | 5 | #include "mbed.h" |
d_worrall | 0:843654413849 | 6 | #include "PCA9635.h" |
d_worrall | 0:843654413849 | 7 | #include "dispBoB.h" |
d_worrall | 0:843654413849 | 8 | |
d_worrall | 0:843654413849 | 9 | Serial pc(USBTX, USBRX); |
d_worrall | 0:843654413849 | 10 | |
d_worrall | 0:843654413849 | 11 | static const char _loc[] = {0x02, 0x02, 0x04, 0x04, 0x10, 0x10, 0x12, 0x12}; |
d_worrall | 6:1721cdf1024e | 12 | static const short _dispL[] = { |
d_worrall | 6:1721cdf1024e | 13 | 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, |
d_worrall | 6:1721cdf1024e | 14 | 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, |
d_worrall | 6:1721cdf1024e | 15 | 0x0000, 0x1008, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0002, 0xC006, 0x600C, 0x0000, 0x0000, 0x0000, 0x0001, 0x0000, 0x0000, |
d_worrall | 0:843654413849 | 16 | 0xE00E, 0x2008, 0xC00D, 0x600D, 0x200B, 0x6007, 0xE007, 0x200E, 0xE00F, 0x600F, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, |
d_worrall | 6:1721cdf1024e | 17 | |
d_worrall | 0:843654413849 | 18 | 0x0000, 0xF001, 0xE003, 0xC001, 0xE009, 0xC007, 0x8007, 0x600F, 0xA003, 0x8000, 0x6008, 0xA007, 0x3008, 0xA005, 0xA001, 0xE001, |
d_worrall | 6:1721cdf1024e | 19 | 0x800F, 0x300F, 0x8001, 0x6007, 0xC003, 0xE000, 0xE000, 0xE004, 0xA00B, 0x600B, 0xC00D, 0xC006, 0x0000, 0x600C, 0x0000, 0x4000, |
d_worrall | 0:843654413849 | 20 | 0x1000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, |
d_worrall | 6:1721cdf1024e | 21 | 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0xC006, 0x0000, 0x600C, 0x0000, 0x0000 |
d_worrall | 6:1721cdf1024e | 22 | }; |
d_worrall | 6:1721cdf1024e | 23 | static const short _dispR[] = { |
d_worrall | 6:1721cdf1024e | 24 | 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, |
d_worrall | 6:1721cdf1024e | 25 | 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, |
d_worrall | 6:1721cdf1024e | 26 | 0x0000, 0x0180, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0020, 0x0C60, 0x06C0, 0x0000, 0x0000, 0x0000, 0x0010, 0x0000, 0x0000, |
d_worrall | 6:1721cdf1024e | 27 | 0x0EE0, 0x0280, 0x0CD0, 0x06D0, 0x02B0, 0x0670, 0x0E70, 0x02E0, 0x0EF0, 0x06F0, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, |
d_worrall | 0:843654413849 | 28 | |
d_worrall | 0:843654413849 | 29 | 0x0000, 0x0F10, 0x0E30, 0x0C10, 0x0E90, 0x0C70, 0x0870, 0x06F0, 0x0A30, 0x0800, 0x0680, 0x0A70, 0x0380, 0x0A50, 0x0A10, 0x0E10, |
d_worrall | 6:1721cdf1024e | 30 | 0x08F0, 0x03F0, 0x0810, 0x0670, 0x0C30, 0x0E00, 0x0E00, 0x0E40, 0x0AB0, 0x06B0, 0x0CD0, 0x0C60, 0x0000, 0x06C0, 0x0000, 0x0400, |
d_worrall | 0:843654413849 | 31 | 0x0100, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, |
d_worrall | 6:1721cdf1024e | 32 | 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0C60, 0x0000, 0x06C0, 0x0000, 0x0000 |
d_worrall | 0:843654413849 | 33 | }; |
d_worrall | 0:843654413849 | 34 | short _element[8]; |
d_worrall | 0:843654413849 | 35 | short _pair[4]; |
d_worrall | 0:843654413849 | 36 | string nullArray = " "; |
d_worrall | 0:843654413849 | 37 | |
d_worrall | 0:843654413849 | 38 | dispBoB::dispBoB(PinName sda, PinName scl, PinName en): _pca(sda, scl), _en(en) { |
d_worrall | 0:843654413849 | 39 | _en = 0; |
d_worrall | 0:843654413849 | 40 | _pca.init(_loc[5]); |
d_worrall | 0:843654413849 | 41 | } |
d_worrall | 0:843654413849 | 42 | |
d_worrall | 0:843654413849 | 43 | void dispBoB::cls(void){ |
d_worrall | 0:843654413849 | 44 | for(int j = 0; j < 8; j++){ |
d_worrall | 0:843654413849 | 45 | locate(j); |
d_worrall | 0:843654413849 | 46 | _pca.bus(0x0000); |
d_worrall | 0:843654413849 | 47 | } |
d_worrall | 0:843654413849 | 48 | _cursor = 0x10; |
d_worrall | 0:843654413849 | 49 | } |
d_worrall | 0:843654413849 | 50 | |
d_worrall | 0:843654413849 | 51 | void dispBoB::locate(char pos){ |
d_worrall | 0:843654413849 | 52 | _pca.setAddress(_loc[pos]); |
d_worrall | 0:843654413849 | 53 | _cursor = pos; |
d_worrall | 0:843654413849 | 54 | } |
d_worrall | 0:843654413849 | 55 | |
d_worrall | 0:843654413849 | 56 | void dispBoB::putc(char c){ |
d_worrall | 0:843654413849 | 57 | |
d_worrall | 0:843654413849 | 58 | if(_cursor & 1){ |
d_worrall | 6:1721cdf1024e | 59 | _element[_cursor] = _dispR[c]; |
d_worrall | 0:843654413849 | 60 | } else { |
d_worrall | 6:1721cdf1024e | 61 | _element[_cursor] = _dispL[c]; |
d_worrall | 0:843654413849 | 62 | } |
d_worrall | 0:843654413849 | 63 | |
d_worrall | 0:843654413849 | 64 | int i = _cursor/2; |
d_worrall | 0:843654413849 | 65 | _pair[i] = _element[(2*i)] + _element[(2*i)+1]; |
d_worrall | 0:843654413849 | 66 | _pca.bus(_pair[i]); |
d_worrall | 0:843654413849 | 67 | } |
d_worrall | 0:843654413849 | 68 | |
d_worrall | 0:843654413849 | 69 | void dispBoB::putc(char c, char pos){ |
d_worrall | 0:843654413849 | 70 | |
d_worrall | 0:843654413849 | 71 | locate(pos); |
d_worrall | 6:1721cdf1024e | 72 | |
d_worrall | 0:843654413849 | 73 | if(_cursor & 1){ |
d_worrall | 6:1721cdf1024e | 74 | _element[_cursor] = _dispR[c]; |
d_worrall | 0:843654413849 | 75 | } else { |
d_worrall | 6:1721cdf1024e | 76 | _element[_cursor] = _dispL[c]; |
d_worrall | 0:843654413849 | 77 | } |
d_worrall | 0:843654413849 | 78 | |
d_worrall | 0:843654413849 | 79 | int i = _cursor/2; |
d_worrall | 0:843654413849 | 80 | _pair[i] = _element[(2*i)] + _element[(2*i)+1]; |
d_worrall | 0:843654413849 | 81 | _pca.bus(_pair[i]); |
d_worrall | 0:843654413849 | 82 | } |
d_worrall | 0:843654413849 | 83 | |
d_worrall | 0:843654413849 | 84 | void dispBoB::write(string str){ |
d_worrall | 0:843654413849 | 85 | for(int j = 5; j >= 0; j--){ |
d_worrall | 0:843654413849 | 86 | putc(toupper(str[j]), j); |
d_worrall | 0:843654413849 | 87 | } |
d_worrall | 0:843654413849 | 88 | } |
d_worrall | 0:843654413849 | 89 | |
d_worrall | 0:843654413849 | 90 | void dispBoB::scroll(string str, float speed){ |
d_worrall | 0:843654413849 | 91 | char buffer[6]; |
d_worrall | 0:843654413849 | 92 | |
d_worrall | 0:843654413849 | 93 | str.insert(0, nullArray); |
d_worrall | 0:843654413849 | 94 | str.insert(str.length(), nullArray); |
d_worrall | 0:843654413849 | 95 | |
d_worrall | 0:843654413849 | 96 | for(int k = 0; k < str.length(); k++){ |
d_worrall | 0:843654413849 | 97 | str.copy(buffer, 6, k); |
d_worrall | 0:843654413849 | 98 | write(buffer); |
d_worrall | 0:843654413849 | 99 | wait(speed); |
d_worrall | 0:843654413849 | 100 | } |
d_worrall | 0:843654413849 | 101 | } |
d_worrall | 0:843654413849 | 102 | |
d_worrall | 0:843654413849 | 103 | |
d_worrall | 0:843654413849 | 104 | |
d_worrall | 0:843654413849 | 105 | |
d_worrall | 0:843654413849 | 106 | |
d_worrall | 0:843654413849 | 107 | |
d_worrall | 0:843654413849 | 108 | |
d_worrall | 0:843654413849 | 109 | |
d_worrall | 0:843654413849 | 110 |