Muy buenas a todos, sigo este foro desde hace un tiempo en el bicarbonato y ahora tengo una duda en la resumo a continuacion:
Hay alguna forma de cambiar la intensidad/luminosidad de una pantalla TFT de 3,2 en una atmega 2560 en el codigo de ejemplo,sin usar potenciometro? uso la protoshield atm 2560 y la tft 3,2.
Gracias por vuestro aporte,este es el codigo:
// Demo_Landscape
// Copyright (C)2015 Rinky-Dink Electronics, Henning Karlsen. All right reserved
// web: http://www.RinkyDinkElectronics.com/
//
// This program is a demo of the loadBitmap()-function.
//
// This program requires UTFT_tinyFAT, UTFT v2.41 or higher,
// as well as tinyFAT v3.0 or higher.
//
// The image files must be present in the root folder
// of a FAT16 formatted SDcard in the module cardslot.
//
// Please note that this demo only supports the following
// display sizes:
// 220x176
// 320x240
// 400x240
// 480x272
// 800x480
#include <tinyFAT.h>
#include <UTFT.h>
#include <UTFT_tinyFAT.h>
// Declare which fonts we will be using
extern uint8_t SmallFont[];
UTFT myGLCD(ITDB32S, 38, 39, 40, 41); // Remember to change the model parameter to suit your display module!
UTFT_tinyFAT myFiles(&myGLCD);
// List of filenames for pictures to display.
char* files320[]={"PIC301.RAW", "PIC302.RAW", "PIC303.RAW", "PIC304.RAW", "PIC305.RAW", "PIC306.RAW", "PIC307.RAW", "PIC308.RAW", "PIC309.RAW", "PIC310.RAW"}; // 320x240
char* files400[]={"PIC401.RAW", "PIC402.RAW", "PIC403.RAW", "PIC404.RAW", "PIC405.RAW", "PIC406.RAW", "PIC407.RAW", "PIC408.RAW", "PIC409.RAW", "PIC410.RAW"}; // 400x240
char* files220[]={"PIC601.RAW", "PIC602.RAW", "PIC603.RAW", "PIC604.RAW", "PIC605.RAW", "PIC606.RAW", "PIC607.RAW", "PIC608.RAW", "PIC609.RAW", "PIC610.RAW"}; // 220x176
char* files480[]={"PIC701.RAW", "PIC702.RAW", "PIC703.RAW", "PIC704.RAW", "PIC705.RAW", "", "", "", "", ""}; // 480x272
char* files800[]={"PIC801.RAW", "PIC802.RAW", "PIC803.RAW", "PIC804.RAW", "PIC805.RAW", "", "", "", "", ""}; // 800x480
char* files[10];
int picsize_x, picsize_y;
boolean display_rendertime=false; // Set this to true if you want the rendertime to be displayed after a picture is loaded
boolean display_filename=true; // Set this to false to disable showing of filename
word res;
long sm, em;
void setup()
{
myGLCD.InitLCD();
myGLCD.clrScr();
file.initFAT();
myGLCD.setColor(255,255,255);
myGLCD.setFont(SmallFont);
picsize_x=myGLCD.getDisplayXSize();
picsize_y=myGLCD.getDisplayYSize();
switch (picsize_x)
{
case 220:
for (int z=0; z<sizeof(files220)/sizeof(*files220);z++)
files[z] = files220[z];
break;
case 320:
for (int z=0; z<sizeof(files320)/sizeof(*files320);z++)
files[z] = files320[z];
break;
case 400:
for (int z=0; z<sizeof(files400)/sizeof(*files400);z++)
files[z] = files400[z];
break;
case 480:
for (int z=0; z<sizeof(files480)/sizeof(*files480);z++)
files[z] = files480[z];
break;
case 800:
for (int z=0; z<sizeof(files800)/sizeof(*files800);z++)
files[z] = files800[z];
break;
}
}
void loop()
{
for (int i=0; i<(sizeof(files)/sizeof(*files)); i++)
{
if (files[i]!="")
{
sm=millis();
res=myFiles.loadBitmap(0, 0, picsize_x, picsize_y, files[i]);
em=millis();
if (res!=0)
{
if (res==0x10)
{
myGLCD.print("File not found...", 0, 0);
myGLCD.print(files[i], 0, 14);
}
else
{
myGLCD.print("ERROR: ", 0, 0);
myGLCD.printNumI(res, 56, 0);
}
delay(3000);
myGLCD.clrScr();
}
else
{
if (display_rendertime==true)
{
myGLCD.print("Rendertime (secs):", 0, 0);
myGLCD.printNumF(float((em-sm)/1000.0), 2, 160,0);
}
if (display_filename==true)
{
myGLCD.print(files[i], CENTER, myGLCD.getDisplayYSize()-12);
}
delay(3000);
}
}
}
}