Simple library for controll a matrix of 7 segment displays. It also support the Hexadecimal and the Decimal visualisation.
Multi7Seg.h
- Committer:
- trombettamichele
- Date:
- 2011-04-23
- Revision:
- 1:4ee2f3c3cf46
- Parent:
- 0:9db0be7962dd
File content as of revision 1:4ee2f3c3cf46:
#include "mbed.h" // Simple library that can controll a matrix of 7 segment led displays // Created by Michele Trombetta // Copyright 2010 5OFT. All rights reserved. #ifndef led_ANODE #define led_ANODE 0 #define led_CATHODE 1 #endif #ifndef VAR_num_7seg #define VAR_num_7seg //Chars: 0123456789AbCdEF 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}; #endif #ifndef LIB_Multi7Seg #define LIB_Multi7Seg #define format_DEC 1 #define format_HEX 0 class Multi7Seg { public: Multi7Seg(PinName a, PinName b, PinName c, PinName d, PinName e, PinName f, PinName g, PinName disp1, PinName disp2, bool led_type); Multi7Seg(PinName a, PinName b, PinName c, PinName d, PinName e, PinName f, PinName g, PinName disp1, PinName disp2, PinName disp3, bool led_type); 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); 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); void write(unsigned int number); // Write the number to the led displays void setformat(bool format); // Set the format (0-Dec 1-Hex) void setspeed(float speed); // Set the delay time for digits scanning void setenabled(unsigned char enabled); // Enable or disable a single led display (by setting the bit of the argument "enabled") private: BusOut _disps; BusOut _led_7seg; unsigned char _ndisp, _enabled; bool _format, _led_type; float _speed; unsigned int _num1, _num2, _num3, _num4, _num5; void led_write(unsigned char number); }; #endif