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SevenSeg4D.h
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SevenSeg4D.h
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//****************************************************************
// Name : SevenSeg4D library
// Author : Bill Rigas
// Date : July 15 2019
// Version : 1.0
// Notes : Free library for commercial or not use.
// : It can display characters on a 4 digit 7segment LED
// : display screen through 2 HC595 shift registers
//****************************************************************
/*
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 3.0 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General
Public License along with this library; if not, write to the
Free Software Foundation, Inc., 59 Temple Place, Suite 330,
Boston, MA 02111-1307 USA
*/
#ifndef SevenSeg4D_h
#define SevenSeg4D_h
#include <Arduino.h>
#include <SPI.h>
const unsigned char sevensegset[][2] = {
{' ', 0x00}, {'!', 0x86}, {'"', 0x22}, {'#', 0x7E}, {'$', 0x2D}, {'%', 0xD2}, {'&', 0x7B}, {'(', 0x39}, {')', 0x0F},
{'*', 0x63}, {'-', 0x40}, {':', 0x09}, {'/', 0x52}, {'<', 0x58}, {'>', 0x4C}, {'=', 0x48}, {'?', 0xD3}, {'@', 0x5F},
{'0', 0x3F}, {'1', 0x06}, {'2', 0x5B}, {'3', 0x4F}, {'4', 0x66}, {'5', 0x6D}, {'6', 0x7D}, {'7', 0x07}, {'8', 0x7F},
{'9', 0x6F}, {'A', 0x77}, {'B', 0x7C}, {'C', 0x39}, {'D', 0x5E}, {'E', 0x79}, {'F', 0x71}, {'G', 0x3D}, {'H', 0x76},
{'I', 0x30}, {'J', 0x1E}, {'K', 0x75}, {'L', 0x38}, {'M', 0x37}, {'N', 0x54}, {'O', 0x3F}, {'P', 0x73}, {'Q', 0x67},
{'R', 0x50}, {'S', 0x6D}, {'T', 0x78}, {'U', 0x3E}, {'V', 0x1C}, {'W', 0x2A}, {'X', 0x76}, {'Y', 0x6E}, {'Z', 0x5B},
{'a', 0x77}, {'b', 0x7C}, {'c', 0x58}, {'d', 0x5E}, {'e', 0x79}, {'f', 0x71}, {'g', 0x3D}, {'h', 0x74}, {'i', 0x10},
{'j', 0x1E}, {'k', 0x75}, {'l', 0x38}, {'m', 0x37}, {'n', 0x54}, {'o', 0x5C}, {'p', 0x73}, {'q', 0x67}, {'r', 0x50},
{'s', 0x6D}, {'t', 0x78}, {'u', 0x3E}, {'v', 0x1C}, {'w', 0x2A}, {'x', 0x76}, {'y', 0x6E}, {'z', 0x5B}, {'.', 0x80}
};
enum CommonLedConnection { Anode = 0, Cathode };
enum ScrollDirection { Right2Left = 0, Left2Right };
class SevenSeg4D
{
private:
int _dataPin, _clockPin, _latchPin;
CommonLedConnection _connection;
bool _spi_logic, _allow_float;
void init(int dataPin, int clockPin, int latchPin, CommonLedConnection connection);
void initSPI(int latchPin, CommonLedConnection connection);
byte getSevenSegChar(unsigned char c);
void softDelay(long delayTime);
public:
SevenSeg4D();
SevenSeg4D(int dataPin, int clockPin, int latchPin);
SevenSeg4D(int dataPin, int clockPin, int latchPin, CommonLedConnection connection);
// SPI constructors
SevenSeg4D(int latchPin);
SevenSeg4D(int latchPin, CommonLedConnection connection);
void shiftOutMsg(char *msg);
void shiftOutChar(unsigned char c, byte digitpos);
void scrollMsg(char *msg, ScrollDirection direction, long delayTime);
void setAllowFloat(bool value);
};
#endif