LED_Bar.h

/*
  LED bar library V1.0
  2010 Copyright (c) Seeed Technology Inc.  All right reserved.

  Original Author: LG
  
  Modify: Loovee, 2014-2-26
  User can choose which Io to be used.

  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 2.1 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., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
*/
#ifndef LED_Bar_H
#define LED_Bar_H

#define CMDMODE     0x0000                          // Work on 8-bit mode
#define ON          0x00ff                          // 8-bit 1 data
#define SHUT        0x0000                          // 8-bit 0 data

class LED_Bar
{

private:

    int __pinClk;                                   // pin of clk
    int __pinDta;                                   // pin of data
    
    unsigned int __led_state;                       // led state
    
private:

    void send16bitData(unsigned int data);          // send a word to led bar
    void latchData(void);                           // latch data
    
public:

    LED_Bar(int pinClk, int pinDta);                // initialize
    void ledIndexBit(unsigned int index_bits);      // index bit led
    void setLevel(int level);                       // set level
    void setLevelReverse(int level);                // set level in the opposite direction (green to red)
    void setSingleLed(int num, int st);             // set single led



};

#endif