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ติดตั้ง Library ssd1306
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#include <TimeLib.h>
#include <Wire.h> // Only needed for Arduino 1.6.5 and earlier
#include "SSD1306Wire.h" // legacy include: `#include "SSD1306.h"`
#include "OLEDDisplayUi.h"
#include "images.h"
SSD1306Wire display(0x3c, 21, 22);
OLEDDisplayUi ui ( &display );
int screenW = 128;
int screenH = 64;
int clockCenterX = screenW/2;
int clockCenterY = ((screenH-16)/2)+16; // top yellow part is 16 px height
int clockRadius = 23;
// utility function for digital clock display: prints leading 0
String twoDigits(int digits){
if(digits < 10) {
String i = '0'+String(digits);
return i;
}
else {
return String(digits);
}
}
void clockOverlay(OLEDDisplay *display, OLEDDisplayUiState* state) {
}
void analogClockFrame(OLEDDisplay *display, OLEDDisplayUiState* state, int16_t x, int16_t y) {
// ui.disableIndicator();
// Draw the clock face
// display->drawCircle(clockCenterX + x, clockCenterY + y, clockRadius);
display->drawCircle(clockCenterX + x, clockCenterY + y, 2);
//
//hour ticks
for( int z=0; z < 360;z= z + 30 ){
//Begin at 0° and stop at 360°
float angle = z ;
angle = ( angle / 57.29577951 ) ; //Convert degrees to radians
int x2 = ( clockCenterX + ( sin(angle) * clockRadius ) );
int y2 = ( clockCenterY - ( cos(angle) * clockRadius ) );
int x3 = ( clockCenterX + ( sin(angle) * ( clockRadius - ( clockRadius / 8 ) ) ) );
int y3 = ( clockCenterY - ( cos(angle) * ( clockRadius - ( clockRadius / 8 ) ) ) );
display->drawLine( x2 + x , y2 + y , x3 + x , y3 + y);
}
// display second hand
float angle = second() * 6 ;
angle = ( angle / 57.29577951 ) ; //Convert degrees to radians
int x3 = ( clockCenterX + ( sin(angle) * ( clockRadius - ( clockRadius / 5 ) ) ) );
int y3 = ( clockCenterY - ( cos(angle) * ( clockRadius - ( clockRadius / 5 ) ) ) );
display->drawLine( clockCenterX + x , clockCenterY + y , x3 + x , y3 + y);
//
// display minute hand
angle = minute() * 6 ;
angle = ( angle / 57.29577951 ) ; //Convert degrees to radians
x3 = ( clockCenterX + ( sin(angle) * ( clockRadius - ( clockRadius / 4 ) ) ) );
y3 = ( clockCenterY - ( cos(angle) * ( clockRadius - ( clockRadius / 4 ) ) ) );
display->drawLine( clockCenterX + x , clockCenterY + y , x3 + x , y3 + y);
//
// display hour hand
angle = hour() * 30 + int( ( minute() / 12 ) * 6 ) ;
angle = ( angle / 57.29577951 ) ; //Convert degrees to radians
x3 = ( clockCenterX + ( sin(angle) * ( clockRadius - ( clockRadius / 2 ) ) ) );
y3 = ( clockCenterY - ( cos(angle) * ( clockRadius - ( clockRadius / 2 ) ) ) );
display->drawLine( clockCenterX + x , clockCenterY + y , x3 + x , y3 + y);
}
void digitalClockFrame(OLEDDisplay *display, OLEDDisplayUiState* state, int16_t x, int16_t y) {
String timenow = String(hour())+":"+twoDigits(minute())+":"+twoDigits(second());
display->setTextAlignment(TEXT_ALIGN_CENTER);
display->setFont(ArialMT_Plain_24);
display->drawString(clockCenterX + x , clockCenterY + y, timenow );
}
// This array keeps function pointers to all frames
// frames are the single views that slide in
FrameCallback frames[] = { analogClockFrame, digitalClockFrame };
// how many frames are there?
int frameCount = 2;
// Overlays are statically drawn on top of a frame eg. a clock
OverlayCallback overlays[] = { clockOverlay };
int overlaysCount = 1;
void setup() {
Serial.begin(9600);
Serial.println();
// The ESP is capable of rendering 60fps in 80Mhz mode
// but that won't give you much time for anything else
// run it in 160Mhz mode or just set it to 30 fps
ui.setTargetFPS(60);
// Customize the active and inactive symbol
ui.setActiveSymbol(activeSymbol);
ui.setInactiveSymbol(inactiveSymbol);
// You can change this to
// TOP, LEFT, BOTTOM, RIGHT
ui.setIndicatorPosition(TOP);
// Defines where the first frame is located in the bar.
ui.setIndicatorDirection(LEFT_RIGHT);
// You can change the transition that is used
// SLIDE_LEFT, SLIDE_RIGHT, SLIDE_UP, SLIDE_DOWN
ui.setFrameAnimation(SLIDE_LEFT);
// Add frames
ui.setFrames(frames, frameCount);
// Add overlays
ui.setOverlays(overlays, overlaysCount);
// Initialising the UI will init the display too.
ui.init();
display.flipScreenVertically();
unsigned long secsSinceStart = millis();
// Unix time starts on Jan 1 1970. In seconds, that's 2208988800:
const unsigned long seventyYears = 2208988800UL;
// subtract seventy years:
unsigned long epoch = secsSinceStart - seventyYears * SECS_PER_HOUR;
setTime(epoch);
}
void loop() {
int remainingTimeBudget = ui.update();
if (remainingTimeBudget > 0) {
// You can do some work here
// Don't do stuff if you are below your
// time budget.
delay(remainingTimeBudget);
}
}
