74 lines
2.6 KiB
C++
74 lines
2.6 KiB
C++
/*
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* TM1637.h
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* A library for the 4 digit display
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*
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* Copyright (c) 2012 seeed technology inc.
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* Website : www.seeed.cc
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* Author : Frankie.Chu
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* Create Time: 9 April,2012
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* Change Log :
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*
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* The MIT License (MIT)
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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#ifndef TM1637_h
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#define TM1637_h
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#include <inttypes.h>
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#include <Arduino.h>
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//************definitions for TM1637*********************
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#define ADDR_AUTO 0x40
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#define ADDR_FIXED 0x44
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#define STARTADDR 0xc0
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/**** definitions for the clock point of the digit tube *******/
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#define POINT_ON 1
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#define POINT_OFF 0
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/**************definitions for brightness***********************/
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#define BRIGHT_DARKEST 0
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#define BRIGHT_TYPICAL 2
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#define BRIGHTEST 7
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class TM1637
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{
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public:
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uint8_t Cmd_SetData;
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uint8_t Cmd_SetAddr;
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uint8_t Cmd_DispCtrl;
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boolean _PointFlag; //_PointFlag=1:the clock point on
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TM1637(uint8_t, uint8_t);
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void init(void); //To clear the display
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int writeByte(int8_t wr_data);//write 8bit data to tm1637
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void start(void);//send start bits
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void stop(void); //send stop bits
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void display(int8_t DispData[]);
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void display(uint8_t BitAddr,int8_t DispData);
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void clearDisplay(void);
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void set(uint8_t = BRIGHT_TYPICAL,uint8_t = 0x40,uint8_t = 0xc0);//To take effect the next time it displays.
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void point(boolean PointFlag);//whether to light the clock point ":".To take effect the next time it displays.
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void coding(int8_t DispData[]);
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int8_t coding(int8_t DispData);
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void bitDelay(void);
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private:
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uint8_t Clkpin;
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uint8_t Datapin;
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};
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#endif
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