Trombetta Michele / Multi7Seg

Simple library for controll a matrix of 7 segment displays. It also support the Hexadecimal and the Decimal visualisation.

Dependents:   Demo_Led7seg

Multi7Seg.h@1:4ee2f3c3cf46, 2011-04-23 (annotated)

Committer:
trombettamichele
Date:
Sat Apr 23 10:30:51 2011 +0000
Revision:
1:4ee2f3c3cf46
Parent:
0:9db0be7962dd 

        

        
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#include "mbed.h"





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//  Simple library that can controll a matrix of 7 segment led displays





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//  Created by Michele Trombetta





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//  Copyright 2010 5OFT. All rights reserved.





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#ifndef  led_ANODE





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#define led_ANODE 0





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#define led_CATHODE 1





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#endif





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#ifndef  VAR_num_7seg





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#define VAR_num_7seg





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//Chars: 0123456789AbCdEF





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const unsigned char num_7seg[24] = {0x3F, 0x6, 0x5B, 0x4F, 0x66, 0x6D, 0x7D, 0x7, 0x7F, 0x6F, 0x77, 0x7C, 0x39, 0x5E, 0x79, 0x71, 0x01, 0x02, 0x04, 0x08, 0x10, 0x20, 0x40, 0x00};





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#endif





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#ifndef  LIB_Multi7Seg





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#define LIB_Multi7Seg





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#define format_DEC  1





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#define format_HEX  0





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class Multi7Seg {





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public:





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    Multi7Seg(PinName a, PinName b, PinName c, PinName d, PinName e, PinName f, PinName g, PinName disp1, PinName disp2, bool led_type);





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    Multi7Seg(PinName a, PinName b, PinName c, PinName d, PinName e, PinName f, PinName g, PinName disp1, PinName disp2, PinName disp3, bool led_type);





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    Multi7Seg(PinName a, PinName b, PinName c, PinName d, PinName e, PinName f, PinName g, PinName disp1, PinName disp2, PinName disp3, PinName disp4, bool led_type);





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    Multi7Seg(PinName a, PinName b, PinName c, PinName d, PinName e, PinName f, PinName g, PinName disp1, PinName disp2, PinName disp3, PinName disp4, PinName disp5, bool led_type);





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    void write(unsigned int number); // Write the number to the led displays





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    void setformat(bool format); // Set the format (0-Dec 1-Hex)





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    void setspeed(float speed); // Set the delay time for digits scanning





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    void setenabled(unsigned char enabled); // Enable or disable a single led display (by setting the bit of the argument "enabled")





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private:





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    BusOut  _disps;





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    BusOut _led_7seg;





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    unsigned char   _ndisp, _enabled;





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    bool    _format, _led_type;





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    float   _speed;





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    unsigned int   _num1, _num2, _num3, _num4, _num5;





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    void led_write(unsigned char number);





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};





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#endif