Difference between revisions of "4-Digital Display"
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=== Voltage === | === Voltage === | ||
3.3V ~ 5.5V | 3.3V ~ 5.5V | ||
| + | |||
| + | === Code Exemple->DigitalTube->ClockDisplay === | ||
| + | <pre> | ||
| + | // Author:Frankie.Chu | ||
| + | // Date:9 April,2012 | ||
| + | |||
| + | #include <TimerOne.h> | ||
| + | #include "TM1637.h" | ||
| + | #define ON 1 | ||
| + | #define OFF 0 | ||
| + | |||
| + | int8_t TimeDisp[] = {0x00,0x00,0x00,0x00}; | ||
| + | unsigned char ClockPoint = 1; | ||
| + | unsigned char Update; | ||
| + | unsigned char halfsecond = 0; | ||
| + | unsigned char second; | ||
| + | unsigned char minute = 0; | ||
| + | unsigned char hour = 12; | ||
| + | |||
| + | |||
| + | #define CLK 2//pins definitions for TM1637 and can be changed to other ports | ||
| + | #define DIO 3 | ||
| + | TM1637 tm1637(CLK,DIO); | ||
| + | |||
| + | void setup() | ||
| + | { | ||
| + | tm1637.set(); | ||
| + | tm1637.init(); | ||
| + | Timer1.initialize(500000);//timing for 500ms | ||
| + | Timer1.attachInterrupt(TimingISR);//declare the interrupt serve routine:TimingISR | ||
| + | } | ||
| + | void loop() | ||
| + | { | ||
| + | if(Update == ON) | ||
| + | { | ||
| + | TimeUpdate(); | ||
| + | tm1637.display(TimeDisp); | ||
| + | } | ||
| + | |||
| + | } | ||
| + | void TimingISR() | ||
| + | { | ||
| + | halfsecond ++; | ||
| + | Update = ON; | ||
| + | if(halfsecond == 2){ | ||
| + | second ++; | ||
| + | if(second == 60) | ||
| + | { | ||
| + | minute ++; | ||
| + | if(minute == 60) | ||
| + | { | ||
| + | hour ++; | ||
| + | if(hour == 24)hour = 0; | ||
| + | minute = 0; | ||
| + | } | ||
| + | second = 0; | ||
| + | } | ||
| + | halfsecond = 0; | ||
| + | } | ||
| + | // Serial.println(second); | ||
| + | ClockPoint = (~ClockPoint) & 0x01; | ||
| + | } | ||
| + | void TimeUpdate(void) | ||
| + | { | ||
| + | if(ClockPoint)tm1637.point(POINT_ON); | ||
| + | else tm1637.point(POINT_OFF); | ||
| + | TimeDisp[0] = hour / 10; | ||
| + | TimeDisp[1] = hour % 10; | ||
| + | TimeDisp[2] = minute / 10; | ||
| + | TimeDisp[3] = minute % 10; | ||
| + | Update = OFF; | ||
| + | } | ||
| + | |||
| + | |||
| + | </pre> | ||
==== Liens internes ==== | ==== Liens internes ==== | ||
Revision as of 00:42, 5 January 2018
Contents
Grove - 4-Digital Displays (Seeed-Studio)
Caractéristiques
Grove compatible interface (3.3V/5V)
4 digit red alpha-numeric display
8 adjustable luminance levels
Support
Drivers
chip - TM1637
Librairies
TimerOne library
4-Digit Display library
Four-Digit Display Suli Library
Voltage
3.3V ~ 5.5V
Code Exemple->DigitalTube->ClockDisplay
// Author:Frankie.Chu
// Date:9 April,2012
#include <TimerOne.h>
#include "TM1637.h"
#define ON 1
#define OFF 0
int8_t TimeDisp[] = {0x00,0x00,0x00,0x00};
unsigned char ClockPoint = 1;
unsigned char Update;
unsigned char halfsecond = 0;
unsigned char second;
unsigned char minute = 0;
unsigned char hour = 12;
#define CLK 2//pins definitions for TM1637 and can be changed to other ports
#define DIO 3
TM1637 tm1637(CLK,DIO);
void setup()
{
tm1637.set();
tm1637.init();
Timer1.initialize(500000);//timing for 500ms
Timer1.attachInterrupt(TimingISR);//declare the interrupt serve routine:TimingISR
}
void loop()
{
if(Update == ON)
{
TimeUpdate();
tm1637.display(TimeDisp);
}
}
void TimingISR()
{
halfsecond ++;
Update = ON;
if(halfsecond == 2){
second ++;
if(second == 60)
{
minute ++;
if(minute == 60)
{
hour ++;
if(hour == 24)hour = 0;
minute = 0;
}
second = 0;
}
halfsecond = 0;
}
// Serial.println(second);
ClockPoint = (~ClockPoint) & 0x01;
}
void TimeUpdate(void)
{
if(ClockPoint)tm1637.point(POINT_ON);
else tm1637.point(POINT_OFF);
TimeDisp[0] = hour / 10;
TimeDisp[1] = hour % 10;
TimeDisp[2] = minute / 10;
TimeDisp[3] = minute % 10;
Update = OFF;
}
Liens internes
index wiki arduino
OLED Display 0.96 inches
OLED Display 1.12 inches
Liens externes
wiki ou http://www.seeedstudio.com/wiki/Grove_-_4-Digit_Display
