/*************************************************************************
* Arduino Text & Bitmap Display Library for color LCDs
* Distributed under GPL v2.0
* Developed by Stanley Huang <stanleyhuangyc@gmail.com>
* For more information, please visit http://arduinodev.com
*************************************************************************/
#include <Arduino.h>
#include "MultiLCD.h"
/**********************************************
Define zone
**********************************************/
#if defined(__AVR_ATmega2560__) || defined(__AVR_ATmega1280__)
#define RS 59
#define WR 58
#define CS 57
#define RST 56
#define T_CLK 55
#define T_CS 60
#define T_DIN 54
#define T_DOUT 8
#define T_IRQ 9
#define X_CONST 240
#define Y_CONST 320
#define PREC_TOUCH_CONST 10
#define PixSizeX 13.78
#define PixOffsX 411
#define PixSizeY 11.01
#define PixOffsY 378
#define WINDOW_XADDR_START 0x0050 // Horizontal Start Address Set
#define WINDOW_XADDR_END 0x0051 // Horizontal End Address Set
#define WINDOW_YADDR_START 0x0052 // Vertical Start Address Set
#define WINDOW_YADDR_END 0x0053 // Vertical End Address Set
#define GRAM_XADDR 0x0020 // GRAM Horizontal Address Set
#define GRAM_YADDR 0x0021 // GRAM Vertical Address Set
#define GRAMWR 0x0022 // memory write
/* LCD color */
#define White 0xFFFF
#define Black 0x0000
#define Blue 0x001F
#define Blue2 0x051F
#define Red 0xF800
#define Magenta 0xF81F
#define Green 0x07E0
#define Cyan 0x7FFF
#define Yellow 0xFFE0
/**********************************************
Standard C functions zone
**********************************************/
void LCD_ILI9325D::Enable() { digitalWrite(CS,LOW); }
void LCD_ILI9325D::Disable() { digitalWrite(CS,HIGH); }
void LCD_ILI9325D::SetCommandMode()
{
digitalWrite(CS,HIGH);
digitalWrite(RS, LOW);
digitalWrite(CS,LOW);
}
void LCD_ILI9325D::SetDataMode()
{
digitalWrite(CS,HIGH);
digitalWrite(RS, HIGH);
digitalWrite(CS,LOW);
}
void LCD_ILI9325D::WriteData(byte l, byte h)
{
if (h != lastData) {
PORTE = (h & 0x3) | ((h & 0xC) << 2) | ((h & 0x20) >> 2);
PORTG = (h & 0x10) << 1;
PORTH = (h & 0xC0) >> 3;
lastData = h;
}
digitalWrite(WR,LOW);//LCD_WR=0;
digitalWrite(WR,HIGH);//LCD_WR=1;
if (l != lastData) {
PORTE = (l & 0x3) | ((l & 0xC) << 2) | ((l & 0x20) >> 2);
PORTG = (l & 0x10) << 1;
PORTH = (l & 0xC0) >> 3;
lastData = l;
}
digitalWrite(WR,LOW);//LCD_WR=0;
digitalWrite(WR,HIGH);//LCD_WR=1;
}
void LCD_ILI9325D::WriteData(uint16_t c)
{
byte value = *((unsigned char*)&c + 1);
if (value != lastData) {
PORTE = (value & 0x3) | ((value & 0xC) << 2) | ((value & 0x20) >> 2);
PORTG = (value & 0x10) << 1;
PORTH = (value & 0xC0) >> 3;
lastData = value;
}
digitalWrite(WR,LOW);//LCD_WR=0;
digitalWrite(WR,HIGH);//LCD_WR=1;
value = (unsigned char)c;
if (value != lastData) {
PORTE = (value & 0x3) | ((value & 0xC) << 2) | ((value & 0x20) >> 2);
PORTG = (value & 0x10) << 1;
PORTH = (value & 0xC0) >> 3;
lastData = value;
}
digitalWrite(WR,LOW);//LCD_WR=0;
digitalWrite(WR,HIGH);//LCD_WR=1;
}
void LCD_ILI9325D::WriteCommandData(uint16_t cmd,uint16_t dat)
{
SetCommandMode();
WriteData(cmd);
SetDataMode();
WriteData(dat);
}
void LCD_ILI9325D::begin()
{
pinMode(RS,OUTPUT);
pinMode(WR,OUTPUT);
pinMode(CS,OUTPUT);
pinMode(RST,OUTPUT);
//DDRD = 0xFF;
for(int a=0;a < 8;a++)
{
pinMode(a,OUTPUT);
digitalWrite(a, LOW);
}
digitalWrite(RST,HIGH);
delay(5);
digitalWrite(RST,LOW);
delay(5);
digitalWrite(RST,HIGH);
digitalWrite(CS,HIGH);
digitalWrite(WR,HIGH);
delay(50);
PORTE = 0;
PORTG = 0;
PORTH = 0;
lastData = 0;
WriteCommandData(0x00E5, 0x78F0); // set SRAM internal timing
WriteCommandData(0x0001, 0x0100); // set Driver Output Control
WriteCommandData(0x0002, 0x0200); // set 1 line inversion
WriteCommandData(0x0003, 0x1030); // set GRAM write direction and BGR=1.
WriteCommandData(0x0004, 0x0000); // Resize register
WriteCommandData(0x0008, 0x0207); // set the back porch and front porch
WriteCommandData(0x0009, 0x0000); // set non-display area refresh cycle ISC[3:0]
WriteCommandData(0x000A, 0x0000); // FMARK function
WriteCommandData(0x000C, 0x0000); // RGB interface setting
WriteCommandData(0x000D, 0x0000); // Frame marker Position
WriteCommandData(0x000F, 0x0000); // RGB interface polarity
//*************Power 00On sequence ****************//
WriteCommandData(0x0010, 0x0000); // SAP, BT[3:0], AP, DSTB, SLP, STB
WriteCommandData(0x0011, 0x0007); // DC1[2:0], DC0[2:0], VC[2:0]
WriteCommandData(0x0012, 0x0000); // VREG1OUT voltage
WriteCommandData(0x0013, 0x0000); // VDV[4:0] for VCOM amplitude
WriteCommandData(0x0007, 0x0001);
delay(200); // Dis-ch00arge capacitor power voltage
WriteCommandData(0x0010, 0x1690); // SAP, BT[3:0], AP, DSTB, SLP, STB
WriteCommandData(0x0011, 0x0227); // Set DC1[2:0], DC0[2:0], VC[2:0]
delay(50); // Delay 50ms
WriteCommandData(0x0012, 0x000D); // 0012
delay(50); // Delay 50ms
WriteCommandData(0x0013, 0x1200); // VDV[4:0] for VCOM amplitude
WriteCommandData(0x0029, 0x000A); // 04 VCM[5:0] for VCOMH
WriteCommandData(0x002B, 0x000D); // Set Frame Rate
delay(50); // Delay 50ms
WriteCommandData(0x0020, 0x0000); // GRAM horizontal Address
WriteCommandData(0x0021, 0x0000); // GRAM Vertical Address
// ----------- Adjust00 the Gamma Curve ----------//
WriteCommandData(0x0030, 0x0000);
WriteCommandData(0x0031, 0x0404);
WriteCommandData(0x0032, 0x0003);
WriteCommandData(0x0035, 0x0405);
WriteCommandData(0x0036, 0x0808);
WriteCommandData(0x0037, 0x0407);
WriteCommandData(0x0038, 0x0303);
WriteCommandData(0x0039, 0x0707);
WriteCommandData(0x003C, 0x0504);
WriteCommandData(0x003D, 0x0808);
//------------------ 00Set GRAM area ---------------//
WriteCommandData(0x0050, 0x0000); // Horizontal GRAM Start Address
WriteCommandData(0x0051, 0x00EF); // Horizontal GRAM End Address
WriteCommandData(0x0052, 0x0000); // Vertical GRAM Start Address
WriteCommandData(0x0053, 0x013F); // Vertical GRAM Start Address
WriteCommandData(0x0060, 0xA700); // Gate Scan Line
WriteCommandData(0x0061, 0x0001); // NDL,VLE, REV
WriteCommandData(0x006A, 0x0000); // set scrolling line
//-------------- Part00ial Display Control ---------//
WriteCommandData(0x0080, 0x0000);
WriteCommandData(0x0081, 0x0000);
WriteCommandData(0x0082, 0x0000);
WriteCommandData(0x0083, 0x0000);
WriteCommandData(0x0084, 0x0000);
WriteCommandData(0x0085, 0x0000);
//-------------- Pane00l Control -------------------//
WriteCommandData(0x0090, 0x0010);
WriteCommandData(0x0092, 0x0000);
WriteCommandData(0x0007, 0x0133);
Disable();
m_color[0] = 0;
m_color[1] = 0xffff;
clear();
}
void LCD_ILI9325D::setXY(uint16_t x0,uint16_t x1,uint16_t y1,uint16_t y0)
{
y1 = 319 - y1;
y0 = 319 - y0;
WriteCommandData(WINDOW_XADDR_START,x0);
WriteCommandData(WINDOW_XADDR_END,x1);
WriteCommandData(WINDOW_YADDR_START,y0);
WriteCommandData(WINDOW_YADDR_END,y1);
WriteCommandData(GRAM_XADDR,x0);
WriteCommandData(GRAM_YADDR,y0);
SetCommandMode();
WriteData(0x0022);//LCD_WriteCMD(GRAMWR);
SetDataMode();
}
void LCD_ILI9325D::clearPixels(uint16_t pixels)
{
digitalWrite(RS,HIGH);//LCD_RS=0;
digitalWrite(CS,LOW);//LCD_CS =0;
PORTE = 0;
PORTG = 0;
PORTH = 0;
lastData = 0;
do {
digitalWrite(WR,LOW);//LCD_WR=0;
digitalWrite(WR,HIGH);//LCD_WR=1;
digitalWrite(WR,LOW);//LCD_WR=0;
digitalWrite(WR,HIGH);//LCD_WR=1;
} while (--pixels);
digitalWrite(CS,HIGH);//LCD_CS =0;
}
void LCD_ILI9325D::clear(uint16_t x, uint16_t y, uint16_t width, uint16_t height)
{
unsigned long count = (unsigned long)width * height;
setXY(y, y + height - 1, x, x + width - 1);
digitalWrite(RS,HIGH);//LCD_RS=0;
digitalWrite(CS,LOW);//LCD_CS =0;
PORTE = 0;
PORTG = 0;
PORTH = 0;
lastData = 0;
do {
digitalWrite(WR,LOW);//LCD_WR=0;
digitalWrite(WR,HIGH);//LCD_WR=1;
digitalWrite(WR,LOW);//LCD_WR=0;
digitalWrite(WR,HIGH);//LCD_WR=1;
} while (--count);
digitalWrite(CS,HIGH);//LCD_CS =0;
m_x = x;
m_y = y;
}
size_t LCD_ILI9325D::write(uint8_t c)
{
if (c == '\n') {
m_x += (m_font + 1) << 3;
return 0;
} else if (c == '\r') {
setXY(m_x, m_x + 7, m_y, 319);
clearPixels((320 - m_y) * 8);
m_y = 0;
return 0;
}
if (m_font == FONT_SIZE_SMALL) {
setXY(m_x, m_x + 7, m_y, m_y + 4);
m_y += 6;
if (m_y >= 320) {
m_x += (m_font + 1) << 3;
m_y = 0;
if (m_x >= 240) {
m_x = 0;
}
}
if (c > 0x20 && c < 0x7f) {
byte pgm_buffer[5];
memcpy_P(pgm_buffer, &font5x8[c - 0x21], 5);
byte i = 4;
do {
unsigned char d = pgm_buffer[i];
for (byte j = 0; j < 8; j++, d >>= 1) {
WriteData(m_color[d & 1]);
}
} while (i--);
} else {
clearPixels(5 * 8);
}
} else {
setXY(m_x, m_x + 15, m_y, m_y + 7);
m_y += 9;
if (m_y >= 320) {
m_x += (m_font + 1) << 3;
m_y = 0;
if (m_x >= 240) {
m_x = 0;
}
}
if (c > 0x20 && c < 0x7f) {
byte pgm_buffer[16];
memcpy_P(pgm_buffer, &font8x16_terminal[c - 0x21], 16);
for (byte i = 0; i < 16; i += 2) {
unsigned char d = pgm_buffer[14 - i];
for (byte j = 0; j < 8; j++, d >>= 1) {
WriteData(m_color[d & 1]);
}
d = pgm_buffer[15 - i];
for (byte j = 0; j < 8; j++, d >>= 1) {
WriteData(m_color[d & 1]);
}
}
} else {
clearPixels(8 * 16);
}
}
}
void LCD_ILI9325D::writeDigit(byte n)
{
if (m_font == FONT_SIZE_LARGE) {
setXY(m_x, m_x + 15, m_y, m_y + 15);
m_y += 16;
if (n <= 9) {
byte pgm_buffer[32];
memcpy_P(pgm_buffer, &digits16x16[n], sizeof(pgm_buffer));
for (byte i = 0; i < 16; i++) {
unsigned char d = pgm_buffer[15 - i];
for (byte j = 0; j < 8; j++, d >>= 1) {
WriteData(m_color[d & 1]);
}
d = pgm_buffer[31 - i];
for (byte j = 0; j < 8; j++, d >>= 1) {
WriteData(m_color[d & 1]);
}
}
} else {
clearPixels(16 * 16);
}
} else if (m_font == FONT_SIZE_XLARGE) {
setXY(m_x, m_x + 23, m_y, m_y + 15);
m_y += 18;
if (n <= 9) {
byte pgm_buffer[48];
memcpy_P(pgm_buffer, &digits16x24[n], sizeof(pgm_buffer));
for (int i = 0; i < 48; i += 3) {
unsigned char d = pgm_buffer[45 - i];
for (int j = 0; j < 8; j++, d >>= 1) {
WriteData(m_color[d & 1]);
}
d = pgm_buffer[46 - i];
for (int j = 0; j < 8; j++, d >>= 1) {
WriteData(m_color[d & 1]);
}
d = pgm_buffer[47 - i];
for (int j = 0; j < 8; j++, d >>= 1) {
WriteData(m_color[d & 1]);
}
}
} else {
clearPixels(16 * 24);
}
} else {
write(n <= 9 ? ('0' + n) : ' ');
}
}
void LCD_ILI9325D::draw(const PROGMEM byte* buffer, uint16_t width, uint16_t height)
{
byte rows = height >> 3;
setXY(m_x, m_x + height - 1, m_y, m_y + width - 1);
uint16_t i = width - 1;
do {
for (uint8_t h = 0; h < rows; h++) {
byte d = pgm_read_byte_far(buffer + i + width * h);
for (byte j = 0; j < 8; j++, d >>= 1) {
WriteData(m_color[d & 1]);
}
}
} while (i--);
m_y += width;
}
void LCD_ILI9325D::draw(const PROGMEM byte* buffer, uint16_t width, uint16_t height, byte scaleX, byte scaleY)
{
byte rows = height >> 3;
if (scaleY == 0) scaleY = scaleX;
setXY(m_x, m_x + height - 1, m_y, m_y + width - 1);
uint16_t i = width - 1;
do {
for (byte n = 0; n < scaleX; n++) {
for (uint8_t h = 0; h < rows; h++) {
byte d = pgm_read_byte_far(buffer + i + width * h);
for (byte j = 0; j < 8; j++, d >>= 1) {
for (byte m = 0; m < scaleY; m++) {
WriteData(m_color[d & 1]);
}
}
}
}
} while (i--);
m_y += width * scaleX;
}
void LCD_ILI9325D::draw4bpp(const PROGMEM byte* buffer, uint16_t width, uint16_t height)
{
char buf[240];
setXY(m_x, m_x + height * 2 - 1, m_y, m_y + width * 2- 1);
uint16_t i = width - 1;
do {
memcpy_P(buf, buffer + i * height * 2, height * 2);
for (byte j = 0; j < height * 2; j += 2) {
WriteData(buf[j], buf[j + 1]);
WriteData(buf[j], buf[j + 1]);
}
for (byte j = 0; j < height * 2; j += 2) {
WriteData(buf[j], buf[j + 1]);
WriteData(buf[j], buf[j + 1]);
}
} while (i--);
m_y += width * 2;
}
#endif