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Pixels_S6D1121.h
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Pixels_S6D1121.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 Samsung S6D1121 controller (ElecFreaks 2.4 TFT 240*320)
*/
#include "Pixels.h"
#ifndef PIXELS_S6D1121_H
#define PIXELS_S6D1121_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(0x11,0x2004);
writeCmdData(0x13,0xCC00);
writeCmdData(0x15,0x2600);
writeCmdData(0x14,0x252A);
writeCmdData(0x12,0x0033);
writeCmdData(0x13,0xCC04);
writeCmdData(0x13,0xCC06);
writeCmdData(0x13,0xCC4F);
writeCmdData(0x13,0x674F);
writeCmdData(0x11,0x2003);
writeCmdData(0x30,0x2609);
writeCmdData(0x31,0x242C);
writeCmdData(0x32,0x1F23);
writeCmdData(0x33,0x2425);
writeCmdData(0x34,0x2226);
writeCmdData(0x35,0x2523);
writeCmdData(0x36,0x1C1A);
writeCmdData(0x37,0x131D);
writeCmdData(0x38,0x0B11);
writeCmdData(0x39,0x1210);
writeCmdData(0x3A,0x1315);
writeCmdData(0x3B,0x3619);
writeCmdData(0x3C,0x0D00);
writeCmdData(0x3D,0x000D);
// writeCmdData(0x42,0x013F); // first display part len
// writeCmdData(0x43,0x0000); // first display part top
// writeCmdData(0x42,0x0000); // second display part len
// writeCmdData(0x45,0x0000); // second display part top
// writeCmdData(0x07,0x1000); // scroll target (display 1)
writeCmdData(0x16,0x0007);
writeCmdData(0x02,0x0013);
writeCmdData(0x03,0x0003);
writeCmdData(0x01,0x0127);
writeCmdData(0x08,0x0303);
writeCmdData(0x0A,0x000B);
writeCmdData(0x0B,0x0003);
writeCmdData(0x0C,0x0000);
writeCmdData(0x41,0x0000);
writeCmdData(0x50,0x0000);
writeCmdData(0x60,0x0005);
writeCmdData(0x70,0x000B);
writeCmdData(0x71,0x0000);
writeCmdData(0x78,0x0000);
writeCmdData(0x7A,0x0000);
writeCmdData(0x79,0x0007);
writeCmdData(0x07,0x0051);
writeCmdData(0x07,0x1053);
writeCmdData(0x79,0x0000);
writeCmd(0x22);
chipDeselect();
}
void Pixels::scrollCmd() {
int16_t s = (orientation > 1 ? deviceHeight - currentScroll : currentScroll) % deviceHeight;
// int16_t s = (orientation < 2 ? deviceHeight - currentScroll : currentScroll) % deviceHeight;
writeCmd(0x41);
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(0x46,(bb.x2 << 8) | bb.x1);
writeCmdData(0x47,bb.y2);
writeCmdData(0x48,bb.y1);
writeCmdData(0x20,bb.x1);
writeCmdData(0x21,bb.y1);
writeCmd(0x22); // write ram
return (int32_t)(bb.x2 - bb.x1 + 1) * (bb.y2 - bb.y1 + 1);
}
#endif