6 x 7 segment display library for PCA9637 driven breakout board
Dependents: FTSE100 InternetDispBoB digitalThermometer Counter ... more
dispBoB.cpp
- Committer:
- d_worrall
- Date:
- 2011-07-01
- Revision:
- 11:5e97be74f4d1
- Parent:
- 10:1fda6b0ee3bc
- Child:
- 12:2235c72db927
File content as of revision 11:5e97be74f4d1:
//NXP PCA9635 library //mbed Team - 28th June 2011 //Daniel Worrall #include "mbed.h" #include "PCA9635.h" #include "dispBoB.h" static const char loc[] = {0x02, 0x02, 0x04, 0x04, 0x10, 0x10, 0x12, 0x12}; static const short dispL[] = { 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x1008, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0002, 0xC006, 0x600C, 0x0000, 0x0000, 0x0000, 0x0000, 0x1000, 0x0000, 0xE00E, 0x2008, 0xC00D, 0x600D, 0x200B, 0x6007, 0xE007, 0x200E, 0xE00F, 0x600F, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0xF001, 0xE003, 0xC001, 0xE009, 0xC007, 0x8007, 0x600F, 0xA003, 0x8000, 0x6008, 0xA007, 0x3008, 0xA005, 0xA001, 0xE001, 0x800F, 0x300F, 0x8001, 0x6007, 0xC003, 0xE000, 0xE000, 0xE004, 0xA00B, 0x600B, 0xC00D, 0xC006, 0x0000, 0x600C, 0x0000, 0x4000, 0x1000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0xC006, 0x0000, 0x600C, 0x0000, 0x0000 }; static const short dispR[] = { 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0180, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0020, 0x0C60, 0x06C0, 0x0000, 0x0000, 0x0000, 0x0000, 0x0100, 0x0000, 0x0EE0, 0x0280, 0x0CD0, 0x06D0, 0x02B0, 0x0670, 0x0E70, 0x02E0, 0x0EF0, 0x06F0, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0F10, 0x0E30, 0x0C10, 0x0E90, 0x0C70, 0x0870, 0x06F0, 0x0A30, 0x0800, 0x0680, 0x0A70, 0x0380, 0x0A50, 0x0A10, 0x0E10, 0x08F0, 0x03F0, 0x0810, 0x0670, 0x0C30, 0x0E00, 0x0E00, 0x0E40, 0x0AB0, 0x06B0, 0x0CD0, 0x0C60, 0x0000, 0x06C0, 0x0000, 0x0400, 0x0100, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0C60, 0x0000, 0x06C0, 0x0000, 0x0000 }; short element[8]; short ppair[4]; string nullArray = " "; dispBoB::dispBoB(PinName sda, PinName scl, PinName en): _pca(sda, scl), _en(en) { _en = 0; _pca.init(loc[0]); } void dispBoB::cls(void){ for(int j = 0; j < 8; j++){ locate(j); _pca.bus(0x0000); } locate(0); } void dispBoB::locate(char pos){ _pca.setAddress(loc[pos]); _cursor = pos; _pos = pos; } int dispBoB::_putc(int c){ if(_pos>5) return -1; if(_cursor & 1){ element[_cursor] = dispR[toupper(c)]; } else { element[_cursor] = dispL[toupper(c)]; } int i = _cursor/2; ppair[i] = element[(2*i)] + element[(2*i)+1]; _pca.bus(ppair[i]); locate(_pos+1); return c; } int dispBoB::_getc(){ return -1; } void dispBoB::scroll(string str, float speed){ char buffer[6]; str.insert(0, nullArray); str.insert(str.length(), nullArray); for(int k = 0; k < str.length(); k++){ str.copy(buffer, 6, k); locate(0); printf("%s", buffer); wait(speed); } } //supply PCA9635 functionality to dispBoB class void dispBoB::bus(short leds){ _pca.bus(leds); }