Grüne Hintergrundbeleuchtung mit veränderlicher Helligkeit


#include <Arduino.h>
#include <SPI.h>
#include <dog_1701.h>
#include <font_16x32nums.h>
#include <font_6x8.h>
#include <font_8x16.h>
#include <font_8x8.h>
#include <logo_BLH.h>

dog_1701 DOG;

//the following port definitions are used by the demo board "EA PCBARDDOG7565"
int led       = 3;
int led_green = 5;
int led_red   = 3;

unsigned char bl = 0;
char buffer[10];

void init_backlight(boolean mono);
void mono_backlight(byte brightness);
void gr_backlight(byte green, byte red);

void sample_screen(void);

//initialize the backlight and the display
void setup()
  init_backlight(false); //use RGB backlight in this sample code. Please change it to your configuration
  DOG.initialize(10,0,0,9,4,DOGS102);   //SS = 10, 0,0= use Hardware SPI, 9 = A0, 4 = RESET, EA DOGS102-6 (=102x64 dots)

//create a sample sceen content with string and number output
void sample_screen(void)
  DOG.clear();  //clear whole display
  DOG.string(71,0,font_8x16,"DOGS");           //font size 8x16 first page         
  DOG.rectangle(71,2,127,2,0x03);              //show small line (filled pattern = 0x03), to the left and right of 'DOGL128'            
  DOG.string(0,3,font_6x8,"-3.3V single sup.");
  DOG.string(0,5,font_6x8,"-LED backlights");
  DOG.string(0,6,font_6x8,"-extrem low power");
  DOG.string(0,7,font_6x8,"Backlight = ");
  snprintf(buffer, sizeof(buffer), "%3i", bl);

//main loop
void loop()
  rgb_backlight(bl, 0);   //controls the brightness of green led only
  DOG.view(VIEW_BOTTOM);  //default viewing direction
  sample_screen();        //show content
  bl += 16;

//The following functions controll the backlight with a PWM. Not needed for the display content
void init_backlight(boolean mono)
  if(mono) //EA LED39X41-W, EA LED39X41-A
    pinMode(led,  OUTPUT);
  else  //EA LED39X41-GR
    pinMode(led_green, OUTPUT);
    pinMode(led_red,   OUTPUT);
//Use this funtion for monochrome backlight
void mono_backlight(byte brightness)
  analogWrite(led, brightness);  
//Use this function for RGB backlight
void rgb_backlight(byte green, byte red)
  analogWrite(led_red,  red);  
  analogWrite(led_green, green);  
dogs102w-6_lcd.txt · Zuletzt geändert: 2015/03/12 01:13 von Claus Kühnel
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