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Pixels_ILI9325.h
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Pixels_ILI9325.h
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/*
* Pixels. Graphics library for TFT displays.
*
* Copyright (C) 2012-2013 Igor Repinetski
*
* The code is written in C/C++ for Arduino and can be easily ported to any microcontroller by rewritting the low level pin access functions.
*
* Text output methods of the library rely on Pixelmeister's font data format. See: http://pd4ml.com/pixelmeister
*
* This work is licensed under the Creative Commons Attribution-NonCommercial-ShareAlike 3.0 Unported License. To view a copy of this license, visit http://creativecommons.org/licenses/by-nc-sa/3.0/
*
* This library includes some code portions and algoritmic ideas derived from works of
* - Andreas Schiffler -- aschiffler at ferzkopp dot net (SDL_gfx Project)
* - K. Townsend http://microBuilder.eu (lpc1343codebase Project)
*/
/*
* Pixels port to ILI9325 controller (TFT_PQ 2.4, ITDB02 MEGA Shield v1.1, Arduino Mega)
*/
//#include <stdio.h>
//#include <Arduino.h>
//#include <avr/pgmspace.h>
#include "Pixels.h"
#ifndef PIXELS_ILI9325_H
#define PIXELS_ILI9325_H
#define PIXELS_MAIN
#if defined(PIXELS_ANTIALIASING_H)
#define PixelsBase PixelsAntialiased
#endif
class Pixels : public PixelsBase
#if defined(PIXELS_SPISW_H)
, public SPIsw
#elif defined(PIXELS_SPIHW_H)
, public SPIhw
#elif defined(PIXELS_PPI8_H)
, public PPI8
#elif defined(PIXELS_PPI16_H)
, public PPI16
#endif
{
protected:
int32_t setRegion(int16_t x1, int16_t y1, int16_t x2, int16_t y2);
void quickFill(int b, int16_t x1, int16_t y1, int16_t x2, int16_t y2);
void setFillDirection(uint8_t direction);
void scrollCmd();
void deviceWriteData(uint8_t high, uint8_t low) {
writeData(high, low);
}
public:
Pixels() : PixelsBase(240, 320) { // TFT_PQ 2.4 + ITDB02 MEGA Shield v1.1 as defaults
scrollSupported = true;
setSpiPins(6, 7, 5, 3 ,4); // dummy code in PPI case // TODO
setPpiPins(38, 39, 40, 41, 0); // dummy code in SPI case
}
Pixels(uint16_t width, uint16_t height) : PixelsBase(width, height) {
scrollSupported = true;
setSpiPins(6, 7, 5, 3 ,4); // dummy code in PPI case // TODO
setPpiPins(38, 39, 40, 41, 0); // dummy code in SPI case
}
void init();
};
#if defined(PIXELS_ANTIALIASING_H)
#undef PixelsBase
#endif
void Pixels::init() {
initInterface();
chipSelect();
writeCmdData(0xE5, 0x78F0);
writeCmdData(0x01, 0x0100);
writeCmdData(0x02, 0x0700); // line inversion
writeCmdData(0x03, 0x1030); // write direction; alternatively 1038
writeCmdData(0x04, 0x0000);
writeCmdData(0x08, 0x0302);
writeCmdData(0x09, 0x0000);
writeCmdData(0x0A, 0x0000);
writeCmdData(0x0C, 0x0000);
writeCmdData(0x0D, 0x0000);
writeCmdData(0x0F, 0x0000);
// Power control
writeCmdData(0x10, 0x0000);
writeCmdData(0x11, 0x0007);
writeCmdData(0x12, 0x0000);
writeCmdData(0x13, 0x0000);
writeCmdData(0x07, 0x0001);
delay(220);
writeCmdData(0x10, 0x1090);
writeCmdData(0x11, 0x0227);
delay(60);
writeCmdData(0x12, 0x001F);
delay(60);
writeCmdData(0x13, 0x1500);
// Power control alternative
// writeCmdData(0x0010, 0x0000);
// writeCmdData(0x0011, 0x0007);
// writeCmdData(0x0012, 0x0000);
// writeCmdData(0x0013, 0x0000);
// delay(1000);
// writeCmdData(0x0010, 0x14B0);
// delay(500);
// writeCmdData(0x0011, 0x0007);
// delay(500);
// writeCmdData(0x0012, 0x008E);
// writeCmdData(0x0013, 0x0C00);
writeCmdData(0x29, 0x0027); // 0x0015 ?
writeCmdData(0x2B, 0x000D); // Frame rate
delay(50);
// Gamma tuning
writeCmdData(0x0030, 0x0000);
writeCmdData(0x0031, 0x0107);
writeCmdData(0x0032, 0x0000);
writeCmdData(0x0035, 0x0203);
writeCmdData(0x0036, 0x0402);
writeCmdData(0x0037, 0x0000);
writeCmdData(0x0038, 0x0207);
writeCmdData(0x0039, 0x0000);
writeCmdData(0x003C, 0x0203);
writeCmdData(0x003D, 0x0403);
writeCmdData(0x20, 0x0000); // GRAM horizontal Address
writeCmdData(0x21, 0x0000); // GRAM Vertical Address
writeCmdData(0x50, 0x0000); // Window Horizontal RAM Address Start (R50h)
writeCmdData(0x51, 0x00EF); // Window Horizontal RAM Address End (R51h)
writeCmdData(0x52, 0x0000); // Window Vertical RAM Address Start (R52h)
writeCmdData(0x53, 0x013F); // Window Vertical RAM Address End (R53h)
writeCmdData(0x60, 0xA700); // Driver Output Control (R60h) - Gate Scan Line
writeCmdData(0x61, 0x0003); // Driver Output Control (R61h) - enable VLE
// writeCmdData(0x6A, 0x0000); // set initial scrolling
writeCmdData(0x90, 0x0010); // Panel Interface Control 1 (R90h)
writeCmdData(0x92, 0x0600);
writeCmdData(0x07, 0x0133); // RGB565 color
chipDeselect();
}
void Pixels::scrollCmd() {
int16_t s = (orientation > 1 ? deviceHeight - currentScroll : currentScroll) % deviceHeight;
writeCmd(0x6A);
deviceWriteData(highByte(s), lowByte(s));
}
void Pixels::setFillDirection(uint8_t direction) {
fillDirection = direction;
// if ( order ) {
// writeCmdData(0x03, 0x1030);
// } else {
// writeCmdData(0x03, 0x1030);
// }
}
void Pixels::quickFill(int color, int16_t x1, int16_t y1, int16_t x2, int16_t y2) {
int32_t counter = setRegion(x1, y1, x2, y2);
if( counter == 0 ) {
return;
}
registerSelect();
uint8_t lo = lowByte(color);
uint8_t hi = highByte(color);
if ( lo == hi ) {
for (int16_t i = 0; i < counter / 20; i++) {
writeDataTwice(lo);
writeDataTwice(lo);
writeDataTwice(lo);
writeDataTwice(lo);
writeDataTwice(lo);
writeDataTwice(lo);
writeDataTwice(lo);
writeDataTwice(lo);
writeDataTwice(lo);
writeDataTwice(lo);
writeDataTwice(lo);
writeDataTwice(lo);
writeDataTwice(lo);
writeDataTwice(lo);
writeDataTwice(lo);
writeDataTwice(lo);
writeDataTwice(lo);
writeDataTwice(lo);
writeDataTwice(lo);
writeDataTwice(lo);
}
for (int32_t i = 0; i < counter % 20; i++) {
writeDataTwice(lo);
}
} else {
for (int16_t i = 0; i < counter / 20; i++) {
writeData(hi, lo);
writeData(hi, lo);
writeData(hi, lo);
writeData(hi, lo);
writeData(hi, lo);
writeData(hi, lo);
writeData(hi, lo);
writeData(hi, lo);
writeData(hi, lo);
writeData(hi, lo);
writeData(hi, lo);
writeData(hi, lo);
writeData(hi, lo);
writeData(hi, lo);
writeData(hi, lo);
writeData(hi, lo);
writeData(hi, lo);
writeData(hi, lo);
writeData(hi, lo);
writeData(hi, lo);
}
for (int32_t i = 0; i < counter % 20; i++) {
writeData(hi, lo);
}
}
}
int32_t Pixels::setRegion(int16_t x1, int16_t y1, int16_t x2, int16_t y2) {
Bounds bb(x1, y1, x2, y2);
if( !checkBounds(bb) ) {
return 0;
}
writeCmdData(0x20, bb.x1);
writeCmdData(0x21, bb.y1);
writeCmdData(0x50, bb.x1);
writeCmdData(0x52, bb.y1);
writeCmdData(0x51, bb.x2);
writeCmdData(0x53, bb.y2);
writeCmd(0x22);
return (int32_t)(bb.x2 - bb.x1 + 1) * (bb.y2 - bb.y1 + 1);
}
#endif