osd-contiki/examples/osd/week-clock/TM1637.h

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2017-08-07 15:46:53 +02:00
// Author:Frankie.Chu
// Date:9 April,2012
//
// 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
//
// Modified record:
//
/*******************************************************************************/
#ifndef TM1637_h
#define TM1637_h
#include <inttypes.h>
#include <Arduino.h>
//************definitions for TM1637*********************
#define ADDR_AUTO 0x40
#define ADDR_FIXED 0x44
#define STARTADDR 0xc0
/**** definitions for the clock point of the digit tube *******/
#define POINT_ON 1
#define POINT_OFF 0
/**************definitions for brightness***********************/
#define BRIGHT_DARKEST 0
#define BRIGHT_TYPICAL 2
#define BRIGHTEST 7
class TM1637
{
public:
uint8_t Cmd_SetData;
uint8_t Cmd_SetAddr;
uint8_t Cmd_DispCtrl;
boolean _PointFlag; //_PointFlag=1:the clock point on
TM1637(uint8_t, uint8_t);
void init(void); //To clear the display
void writeByte(int8_t wr_data);//write 8bit data to tm1637
void start(void);//send start bits
void stop(void); //send stop bits
void display(int8_t DispData[]);
void display(uint8_t BitAddr,int8_t DispData);
void clearDisplay(void);
void set(uint8_t = BRIGHT_TYPICAL,uint8_t = 0x40,uint8_t = 0xc0);//To take effect the next time it displays.
void point(boolean PointFlag);//whether to light the clock point ":".To take effect the next time it displays.
void coding(int8_t DispData[]);
int8_t coding(int8_t DispData);
private:
uint8_t Clkpin;
uint8_t Datapin;
};
#endif