PuG
Help me photohunt
Dependencies: mbed
main.cpp
- Committer:
- Peeraya
- Date:
- 2015-11-28
- Revision:
- 0:ff615d611c5c
File content as of revision 0:ff615d611c5c:
#ifndef __TTSDISPLAY_H__
#define __TTSDISPLAY_H__
#ifndef uchar
#define uchar char
#endif
// definitions for TM1636
#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
//Special characters index of tube table
#define INDEX_NEGATIVE_SIGH 16
#define INDEX_BLANK 17
class TTSDisplay{
private:
uchar Cmd_SetData;
uchar Cmd_SetAddr;
uchar Cmd_Dispdisplay;
uchar _PointFlag; //_PointFlag=1:the clock point on
uchar _brightness;
uchar Clkpin;
uchar Datapin;
uchar dtaDisplay[4];
private:
void writeByte(uchar wr_data); //write 8bit data to tm1637
void start(void); //send start bits
void stop(void); //send stop bits
void set(uchar = BRIGHT_TYPICAL, uchar = 0x40, uchar = 0xc0); //To take effect the next time it displays.
uchar coding(uchar DispData);
//**********************************************************************************************************
//*************************** USER INTERFACE ***************************************************************
//**********************************************************************************************************
public:
TTSDisplay();
void display(uchar loca, uchar dta); // display a single num(0-9)
void num(int dta); // display a num (0-9999)
void time(uchar hour, uchar min); // display time, such as: 11:26
void clear(); // clear display
void pointOn(); // display :
void pointOff(); // undisplay :
};
#endif
//#include <Arduino.h>
#include<mbed.h>
//#include <Streaming.h>
//#include "TTSDisplay.h"
//0~9,A,b,C,d,E,F,"-"," "
const uchar TubeTab[] =
{
0x3f,0x06,0x5b,0x4f,
0x66,0x6d,0x7d,0x07,
0x7f,0x6f,0x77,0x7c,
0x39,0x5e,0x79,0x71,
0x40,0x00
};
//#define PINCLK 7 // pin of clk
//#define PINDTA 8 // pin of data
TTSDisplay::TTSDisplay()
{
DigitalOut Clkpin(D7);
DigitalOut Datapin(D8);
/*Clkpin = PINCLK;
Datapin = PINDTA;
pinMode(Clkpin,OUTPUT);
pinMode(Datapin,OUTPUT);*/
for(int i=0; i<4; i++)
{
dtaDisplay[i] = 0x00;
}
set();
//clear();
}
/*********************************************************************************************************
* Function Name: display
* Description: display a num in certain location
* Parameters: loca - location, 3-2-1-0
* num - number to display
* Return: None
*********************************************************************************************************/
void TTSDisplay::display(uchar loca, uchar dta)
{
//if(loca > 3 || loca < 0) return;
if(loca > 3) return;
dtaDisplay[loca] = dta;
loca = 3-loca;
uchar segData = coding(dta);
start(); //start signal sent to TM1637 from MCU
writeByte(ADDR_FIXED);
stop();
start();
writeByte(loca|0xc0);
writeByte(segData);
stop();
start();
writeByte(Cmd_Dispdisplay);
stop();
}
/*********************************************************************************************************
* Function Name: num
* Description: display a num that 0 - 9999
* Parameters: num - number to display
* Return: None
*********************************************************************************************************/
void TTSDisplay::num(int dta)
{
if(dta < 0 || dta > 9999) return; // bad data
//clear();
pointOff();
if(dta < 10)
{
display(0, dta);
display(1, 0x7f);
display(2, 0x7f);
display(3, 0x7f);
}
else if(dta < 100)
{
display(1, dta/10);
display(0, dta%10);
display(2, 0x7f);
display(3, 0x7f);
}
else if(dta < 1000)
{
display(2, dta/100);
display(1, (dta/10)%10);
display(0, dta%10);
display(3, 0x7f);
}
else
{
display(3, dta/1000);
display(2, (dta/100)%10);
display(1, (dta/10)%10);
display(0, dta%10);
}
}
/*********************************************************************************************************
* Function Name: time
* Description: display time
* Parameters: hour - hour
* min - minutes
* Return: None
*********************************************************************************************************/
void TTSDisplay::time(uchar hour, uchar min)
{
// if(hour > 24 || hour < 0) return; // bad data
if(hour > 24) return; // bad data
// if(min > 60 || min < 0) return; // bad data
if(min > 60) return; // bad data
display(3, hour/10);
display(2, hour%10);
display(1, min/10);
display(0, min%10);
}
/*********************************************************************************************************
* Function Name: clear
* Description: clear all
* Parameters: None
* Return: None
*********************************************************************************************************/
void TTSDisplay::clear()
{
display(0x00,0x7f);
display(0x01,0x7f);
display(0x02,0x7f);
display(0x03,0x7f);
}
/*********************************************************************************************************
* Function Name: writeByte
* Description: write a byte to tm1636
* Parameters: wr_data: data to write
* Return: None
*********************************************************************************************************/
void TTSDisplay::writeByte(uchar wr_data)
{
uchar i,count1;
for(i=0;i<8;i++) // sent 8bit data
{
Clkpin=0;
//digitalWrite(Clkpin,LOW);
//if(wr_data & 0x01)digitalWrite(Datapin,HIGH); // LSB first
if(wr_data & 0x01)Datapin=1; // LSB first
//else digitalWrite(Datapin,LOW);
else Datapin=0;
wr_data >>= 1;
Clkpin=1;
//digitalWrite(Clkpin,HIGH);
}
Clkpin=0;
Datapin=1;
Clkpin=1;
DigitalIn Datapin(D8);
/*digitalWrite(Clkpin,LOW); // wait for the ACK
digitalWrite(Datapin,HIGH);
digitalWrite(Clkpin,HIGH);
pinMode(Datapin,INPUT);*/
//while(digitalRead(Datapin))
while(Datapin)
{
count1 += 1;
if(200 == count1)
{
//pinMode(Datapin,OUTPUT);
DigitalOut Datapin(D8);
//digitalWrite(Datapin,LOW);
Datapin=0;
count1 =0;
}
//pinMode(Datapin,INPUT);
DigitalIn Datapin(D8);
}
//pinMode(Datapin,OUTPUT);
//DigitalOut Datapin(D8);
}
/*********************************************************************************************************
* Function Name: start
* Description: send start signal to TTSDisplay
* Parameters: None
* Return: None
*********************************************************************************************************/
void TTSDisplay::start(void)
{
/*digitalWrite(Clkpin,HIGH); //send start signal to TM1637
digitalWrite(Datapin,HIGH);
digitalWrite(Datapin,LOW);
digitalWrite(Clkpin,LOW);*/
Clkpin=1;
Datapin=1;
Datapin=0;
Clkpin=0;
}
/*********************************************************************************************************
* Function Name: stop
* Description: send end signal
* Parameters: None
* Return: None
*********************************************************************************************************/
void TTSDisplay::stop(void)
{/*
digitalWrite(Clkpin,LOW);
digitalWrite(Datapin,LOW);
digitalWrite(Clkpin,HIGH);
digitalWrite(Datapin,HIGH);*/
Clkpin=0;
Datapin=0;
Clkpin=1;
Datapin=1;
}
/*********************************************************************************************************
* Function Name: set
* Description: init
* Parameters: brightness - brightness
* SetDta - data
* SetAddr - address
* Return: None
*********************************************************************************************************/
void TTSDisplay::set(uchar brightness,uchar SetData,uchar SetAddr)
{
_brightness = brightness;
Cmd_SetData = SetData;
Cmd_SetAddr = SetAddr;
Cmd_Dispdisplay = 0x88 + brightness;
}
/*********************************************************************************************************
* Function Name: pointOn
* Description: display :
* Parameters: None
* Return: None
*********************************************************************************************************/
void TTSDisplay::pointOn()
{
_PointFlag = 1;
for(int i=0; i<4; i++)
{
display(i, dtaDisplay[i]);
}
}
/*********************************************************************************************************
* Function Name: pointOff
* Description: no :
* Parameters: None
* Return: None
*********************************************************************************************************/
void TTSDisplay::pointOff()
{
_PointFlag = 0;
for(int i=0; i<4; i++)
{
display(i, dtaDisplay[i]);
}
}
/*********************************************************************************************************
* Function Name: coding
* Description: coding
* Parameters: None
* Return: None
*********************************************************************************************************/
uchar TTSDisplay::coding(uchar DispData)
{
uchar PointData = _PointFlag ? 0x80 : 0x00;
DispData = (0x7f == DispData) ? PointData : (TubeTab[DispData]+PointData);
return DispData;
}
/*********************************************************************************************************
END FILE
*********************************************************************************************************/
//#include <Wire.h>
//#include <TTSDisplay.h>
//TTSDisplay disp; // instantiate an object
/*void setup()
{
// nothing to setup
}*/
int main()
{
TTSDisplay disp;
while(1)
{
disp.time(11,26); // display time, 11:26
disp.pointOn(); // display :
wait_ms(1000); // wait 1s
}
}
/*********************************************************************************************************
END FILE
*********************************************************************************************************/