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LCDWIKI_SPI.cpp
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LCDWIKI_SPI.cpp
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// IMPORTANT: LIBRARY MUST BE SPECIFICALLY CONFIGURED FOR EITHER TFT SHIELD
// OR BREAKOUT BOARD USAGE.
// Lcdwiki GUI library with init code from Rossum
// MIT license
#if defined(__SAM3X8E__)
#include <include/pio.h>
#define PROGMEM
#define pgm_read_byte(addr) (*(const unsigned char *)(addr))
#define pgm_read_word(addr) (*(const unsigned short *)(addr))
#endif
#if defined(ARDUINO_ARCH_ESP8266)
#define USE_HWSPI_ONLY
#endif
#include <SPI.h>
#include "pins_arduino.h"
#include "wiring_private.h"
#include "LCDWIKI_SPI.h"
#include "lcd_spi_registers.h"
#include "mcu_spi_magic.h"
#define TFTLCD_DELAY16 0xFFFF
#define TFTLCD_DELAY8 0x7F
#define MAX_REG_NUM 24
static uint8_t SH1106_buffer[1024] = {0};
//static uint8_t have_reset;
//#define LEFT_SHIFT(x) (1<<x) //x value 0:mipi dcs rev1
// 1:auto readinc
// 2:read bgr
// 3:read low and high
// 4:read 24 bits
// 5:xsa and xea 16 bit
// 6:read no dummy
// 8:invert gs
// 9:invert ss
// 10:mv axis
// 11:invert rgb
// 12:rev screen
// 13:filp vert
// 14:flip horiz
//The mode,width and heigth of supported LCD modules
lcd_info current_lcd_info[] =
{
0x9325,240,320,
0x9328,240,320,
0x9341,240,320,
0x9090,320,480,
0x7575,240,320,
0x9595,240,320,
0x9486,320,480,
0x7735,128,160,
0x1283,130,130,
0x1106,128,64,
};
#if !defined(USE_HWSPI_ONLY)
// Constructor for software spi.
// if modules is unreadable or you don't know the width and height of modules,you can use this constructor.
LCDWIKI_SPI::LCDWIKI_SPI(uint16_t model,int8_t cs, int8_t cd, int8_t miso, int8_t mosi, int8_t reset, int8_t clk, int8_t led)
{
_cs = cs;
_cd = cd;
_miso = miso;
_mosi = mosi;
_clk = clk;
_reset = reset;
_led = led;
hw_spi = false; //software spi
spicsPort = portOutputRegister(digitalPinToPort(_cs));
spicsPinSet = digitalPinToBitMask(_cs);
spicsPinUnset = ~spicsPinSet;
if(cd < 0)
{
spicdPort = 0;
spicdPinSet = 0;
spicdPinUnset = 0;
}
else
{
spicdPort = portOutputRegister(digitalPinToPort(_cd));
spicdPinSet = digitalPinToBitMask(_cd);
spicdPinUnset = ~spicdPinSet;
}
if(miso < 0)
{
spimisoPort = 0;
spimisoPinSet = 0;
spimisoPinUnset = 0;
}
else
{
spimisoPort = portOutputRegister(digitalPinToPort(_miso));
spimisoPinSet = digitalPinToBitMask(_miso);
spimisoPinUnset = ~spimisoPinSet;
}
spimosiPort = portOutputRegister(digitalPinToPort(_mosi));
spimosiPinSet = digitalPinToBitMask(_mosi);
spimosiPinUnset = ~spimosiPinSet;
spiclkPort = portOutputRegister(digitalPinToPort(_clk));
spiclkPinSet = digitalPinToBitMask(_clk);
spiclkPinUnset = ~spiclkPinSet;
*spicsPort |= spicsPinSet; // Set all control bits to HIGH (idle)
*spicdPort |= spicdPinSet; // Signals are ACTIVE LOW
*spimisoPort |= spimisoPinSet;
*spimosiPort |= spimosiPinSet;
*spiclkPort |= spiclkPinSet;
pinMode(cs, OUTPUT); // Enable outputs
pinMode(cd, OUTPUT);
pinMode(miso, INPUT);
pinMode(mosi, OUTPUT);
pinMode(clk, OUTPUT);
if(reset >= 0)
{
digitalWrite(reset, HIGH);
pinMode(reset, OUTPUT);
}
if(led >= 0)
{
//digitalWrite(led, HIGH);
pinMode(led, OUTPUT);
}
rotation = 0;
lcd_model = current_lcd_info[model].lcd_id;
WIDTH = current_lcd_info[model].lcd_wid;
HEIGHT = current_lcd_info[model].lcd_heg;
/*
switch(lcd_model)
{
case 0x7735:
WIDTH = 128;
HEIGHT = 160;
break;
case 0x9325:
case 0x9328:
case 0x9341:
case 0x7575:
case 0x9595:
WIDTH = 240;
HEIGHT = 320;
break;
case 0x9486:
WIDTH = 320;
HEIGHT = 480;
break;
default:
WIDTH = 0;
HEIGHT = 0;
break;
}
*/
width = WIDTH;
height = HEIGHT;
setWriteDir();
}
// Constructor for software spi.
// if modules is readable or you know the width and height of modules,you can use this constructor.
LCDWIKI_SPI::LCDWIKI_SPI(int16_t wid,int16_t heg,int8_t cs, int8_t cd, int8_t miso, int8_t mosi, int8_t reset, int8_t clk, int8_t led)
{
_cs = cs;
_cd = cd;
_miso = miso;
_mosi = mosi;
_clk = clk;
_reset = reset;
_led = led;
hw_spi = false; //software spi
spicsPort = portOutputRegister(digitalPinToPort(_cs));
spicsPinSet = digitalPinToBitMask(_cs);
spicsPinUnset = ~spicsPinSet;
if(cd < 0)
{
spicdPort = 0;
spicdPinSet = 0;
spicdPinUnset = 0;
}
else
{
spicdPort = portOutputRegister(digitalPinToPort(_cd));
spicdPinSet = digitalPinToBitMask(_cd);
spicdPinUnset = ~spicdPinSet;
}
if(miso < 0)
{
spimisoPort = 0;
spimisoPinSet = 0;
spimisoPinUnset = 0;
}
else
{
spimisoPort = portOutputRegister(digitalPinToPort(_miso));
spimisoPinSet = digitalPinToBitMask(_miso);
spimisoPinUnset = ~spimisoPinSet;
}
spimosiPort = portOutputRegister(digitalPinToPort(_mosi));
spimosiPinSet = digitalPinToBitMask(_mosi);
spimosiPinUnset = ~spimosiPinSet;
spiclkPort = portOutputRegister(digitalPinToPort(_clk));
spiclkPinSet = digitalPinToBitMask(_clk);
spiclkPinUnset = ~spiclkPinSet;
*spicsPort |= spicsPinSet; // Set all control bits to HIGH (idle)
*spicdPort |= spicdPinSet; // Signals are ACTIVE LOW
*spimisoPort |= spimisoPinSet;
*spimosiPort |= spimosiPinSet;
*spiclkPort |= spiclkPinSet;
pinMode(cs, OUTPUT); // Enable outputs
pinMode(cd, OUTPUT);
pinMode(miso, INPUT);
pinMode(mosi, OUTPUT);
pinMode(clk, OUTPUT);
if(reset >= 0)
{
digitalWrite(reset, HIGH);
pinMode(reset, OUTPUT);
}
if(led >= 0)
{
//digitalWrite(led, HIGH);
pinMode(led, OUTPUT);
}
rotation = 0;
lcd_model = 0xFFFF;
setWriteDir();
WIDTH = wid;
HEIGHT = heg;
width = WIDTH;
height = HEIGHT;
}
#endif
// Constructor for hardware spi.
// if modules is unreadable or you don't know the width and height of modules,you can use this constructor.
LCDWIKI_SPI::LCDWIKI_SPI(uint16_t model,int8_t cs, int8_t cd, int8_t reset, int8_t led)
{
_cs = cs;
_cd = cd;
_miso = -1;
_mosi = -1;
_clk = -1;
_reset = reset;
_led = led;
hw_spi = true; //hardware spi
#if defined(USE_RWREG)
spicsPort = portOutputRegister(digitalPinToPort(_cs));
spicsPinSet = digitalPinToBitMask(_cs);
spicsPinUnset = ~spicsPinSet;
if(cd < 0)
{
spicdPort = 0;
spicdPinSet = 0;
spicdPinUnset = 0;
}
else
{
spicdPort = portOutputRegister(digitalPinToPort(_cd));
spicdPinSet = digitalPinToBitMask(_cd);
spicdPinUnset = ~spicdPinSet;
}
spimisoPort = 0;
spimisoPinSet = 0;
spimisoPinUnset = 0;
spimosiPort = 0;
spimosiPinSet = 0;
spimosiPinUnset = 0;
spiclkPort = 0;
spiclkPinSet = 0;
spiclkPinUnset = 0;
*spicsPort |= spicsPinSet; // Set all control bits to HIGH (idle)
*spicdPort |= spicdPinSet; // Signals are ACTIVE LOW
#else
digitalWrite(_cs, HIGH);
digitalWrite(_cd, HIGH);
#endif
pinMode(cs, OUTPUT); // Enable outputs
pinMode(cd, OUTPUT);
if(reset >= 0)
{
digitalWrite(reset, HIGH);
pinMode(reset, OUTPUT);
}
if(led >= 0)
{
//digitalWrite(led, HIGH);
pinMode(led, OUTPUT);
}
/*
SPI.begin();
SPI.setClockDivider(SPI_CLOCK_DIV4); // 4 MHz (half speed)
SPI.setBitOrder(MSBFIRST);
SPI.setDataMode(SPI_MODE0);
*/
rotation = 0;
lcd_model = current_lcd_info[model].lcd_id;
WIDTH = current_lcd_info[model].lcd_wid;
HEIGHT = current_lcd_info[model].lcd_heg;
/*
switch(lcd_model)
{
case 0x7735:
WIDTH = 128;
HEIGHT = 160;
break;
case 0x9325:
case 0x9328:
case 0x9341:
case 0x7575:
case 0x9595:
WIDTH = 240;
HEIGHT = 320;
break;
case 0x9486:
WIDTH = 320;
HEIGHT = 480;
break;
default:
WIDTH = 0;
HEIGHT = 0;
break;
}
*/
width = WIDTH;
height = HEIGHT;
setWriteDir();
}
// Constructor for hardware spi.
// if modules is readable or you know the width and height of modules,you can use this constructor.
LCDWIKI_SPI::LCDWIKI_SPI(int16_t wid,int16_t heg,int8_t cs, int8_t cd, int8_t reset,int8_t led)
{
_cs = cs;
_cd = cd;
_miso = -1;
_mosi = -1;
_clk = -1;
_reset = reset;
_led = led;
hw_spi = true; //hardware spi
#if defined(USE_RWREG)
spicsPort = portOutputRegister(digitalPinToPort(_cs));
spicsPinSet = digitalPinToBitMask(_cs);
spicsPinUnset = ~spicsPinSet;
if(cd < 0)
{
spicdPort = 0;
spicdPinSet = 0;
spicdPinUnset = 0;
}
else
{
spicdPort = portOutputRegister(digitalPinToPort(_cd));
spicdPinSet = digitalPinToBitMask(_cd);
spicdPinUnset = ~spicdPinSet;
}
spimisoPort = 0;
spimisoPinSet = 0;
spimisoPinUnset = 0;
spimosiPort = 0;
spimosiPinSet = 0;
spimosiPinUnset = 0;
spiclkPort = 0;
spiclkPinSet = 0;
spiclkPinUnset = 0;
*spicsPort |= spicsPinSet; // Set all control bits to HIGH (idle)
*spicdPort |= spicdPinSet; // Signals are ACTIVE LOW
#else
digitalWrite(_cs, HIGH);
digitalWrite(_cd, HIGH);
#endif
pinMode(cs, OUTPUT); // Enable outputs
pinMode(cd, OUTPUT);
if(reset >= 0)
{
digitalWrite(reset, HIGH);
pinMode(reset, OUTPUT);
}
if(led >= 0)
{
//digitalWrite(led, HIGH);
pinMode(led, OUTPUT);
}
/*
SPI.begin();
SPI.setClockDivider(SPI_CLOCK_DIV4); // 4 MHz (half speed)
SPI.setBitOrder(MSBFIRST);
SPI.setDataMode(SPI_MODE0);
*/
rotation = 0;
lcd_model = 0xFFFF;
setWriteDir();
WIDTH = wid;
HEIGHT = heg;
width = WIDTH;
height = HEIGHT;
}
// Initialization lcd modules
void LCDWIKI_SPI::Init_LCD(void)
{
reset();
Led_control(true);
if(lcd_model == 0xFFFF)
{
lcd_model = Read_ID();
}
// uint16_t ID = Read_ID();
start(lcd_model);
// Set_Rotation(0);
}
// Initialization common to both shield & breakout configs
void LCDWIKI_SPI::reset(void)
{
// have_reset = 1;
// setWriteDir();
CS_IDLE;
RD_IDLE;
WR_IDLE;
if (_mosi < 0) { //hardware SPI
SPI.begin();
#if 1
SPI.beginTransaction( { 27000000, MSBFIRST, SPI_MODE0 } );
#else
SPI.setClockDivider(SPI_CLOCK_DIV2); // 4 MHz (half speed)
SPI.setBitOrder(MSBFIRST);
SPI.setDataMode(SPI_MODE0);
#endif
}
if(_reset >=0)
{
digitalWrite(_reset, LOW);
delay(2);
digitalWrite(_reset, HIGH);
}
CS_ACTIVE;
CD_COMMAND;
write8(0x00);
for(uint8_t i=0; i<3; i++)
{
WR_STROBE; // Three extra 0x00s
}
CS_IDLE;
}
void LCDWIKI_SPI::Led_control(boolean i)
{
if(_led >= 0)
{
if(i)
{
digitalWrite(_led, HIGH);
}
else
{
digitalWrite(_led, LOW);
}
}
}
//spi write for hardware and software
void LCDWIKI_SPI::Spi_Write(uint8_t data)
{
if(hw_spi)
{
SPI.transfer(data);
}
else
{
uint8_t val = 0x80;
while(val)
{
if(data&val)
{
MOSI_HIGH;
}
else
{
MOSI_LOW;
}
CLK_LOW;
CLK_HIGH;
val >>= 1;
}
}
}
//spi read for hardware and software
uint8_t LCDWIKI_SPI::Spi_Read(void)
{
if(hw_spi)
{
return SPI.transfer(0);
}
else
{
uint8_t val,i,d;
for(i = 0;i<8; i++)
{
CLK_LOW;
CLK_HIGH;
val <<= 1;
MISO_STATE(d);
if(d)
{
val |= 0x01;
}
}
return val;
}
}
void LCDWIKI_SPI::Write_Cmd(uint16_t cmd)
{
CS_ACTIVE;
writeCmd16(cmd);
CS_IDLE;
}
void LCDWIKI_SPI::Write_Data(uint16_t data)
{
CS_ACTIVE;
writeData16(data);
CS_IDLE;
}
void LCDWIKI_SPI::Write_Cmd_Data(uint16_t cmd, uint16_t data)
{
CS_ACTIVE;
writeCmdData16(cmd,data);
CS_IDLE;
}
//Write a command and N datas
void LCDWIKI_SPI::Push_Command(uint8_t cmd, uint8_t *block, int8_t N)
{
CS_ACTIVE;
if(lcd_driver == ID_1106)
{
writeCmd8(cmd);
}
else
{
writeCmd16(cmd);
}
while (N-- > 0)
{
uint8_t u8 = *block++;
writeData8(u8);
if(N && (lcd_driver == ID_7575))
{
cmd++;
writeCmd16(cmd);
}
}
CS_IDLE;
}
// Sets the LCD address window
void LCDWIKI_SPI::Set_Addr_Window(int16_t x1, int16_t y1, int16_t x2, int16_t y2)
{
CS_ACTIVE;
if(lcd_driver == ID_932X)
{
// Values passed are in current (possibly rotated) coordinate
// system. 932X requires hardware-native coords regardless of
// MADCTL, so rotate inputs as needed. The address counter is
// set to the top-left corner -- although fill operations can be
// done in any direction, the current screen rotation is applied
// because some users find it disconcerting when a fill does not
// occur top-to-bottom.
int x, y, t;
switch(rotation)
{
default:
x = x1;
y = y1;
break;
case 1:
t = y1;
y1 = x1;
x1 = WIDTH - 1 - y2;
y2 = x2;
x2 = WIDTH - 1 - t;
x = x2;
y = y1;
break;
case 2:
t = x1;
x1 = WIDTH - 1 - x2;
x2 = WIDTH - 1 - t;
t = y1;
y1 = HEIGHT - 1 - y2;
y2 = HEIGHT - 1 - t;
x = x2;
y = y2;
break;
case 3:
t = x1;
x1 = y1;
y1 = HEIGHT - 1 - x2;
x2 = y2;
y2 = HEIGHT - 1 - t;
x = x1;
y = y2;
break;
}
writeCmdData16(ILI932X_HOR_START_AD, x1); // Set address window
writeCmdData16(ILI932X_HOR_END_AD, x2);
writeCmdData16(ILI932X_VER_START_AD, y1);
writeCmdData16(ILI932X_VER_END_AD, y2);
writeCmdData16(ILI932X_GRAM_HOR_AD, x ); // Set address counter to top left
writeCmdData16(ILI932X_GRAM_VER_AD, y );
}
else if(lcd_driver == ID_7575)
{
writeCmdData8(HX8347G_COLADDRSTART_HI,x1>>8);
writeCmdData8(HX8347G_COLADDRSTART_LO,x1);
writeCmdData8(HX8347G_ROWADDRSTART_HI,y1>>8);
writeCmdData8(HX8347G_ROWADDRSTART_LO,y1);
writeCmdData8(HX8347G_COLADDREND_HI,x2>>8);
writeCmdData8(HX8347G_COLADDREND_LO,x2);
writeCmdData8(HX8347G_ROWADDREND_HI,y2>>8);
writeCmdData8(HX8347G_ROWADDREND_LO,y2);
}
else if(lcd_driver == ID_1283A)
{
int16_t t1,t2;
switch(rotation)
{
case 0:
case 2:
t1=x1;
t2=x2;
x1=y1+2;
x2=y2+2;
y1=t1+2;
y2=t2+2;
break;
case 1:
case 3:
y1=y1+2;
y2=y2+2;
break;
}
writeCmd8(XC);
writeData8(x2);
writeData8(x1);
writeCmd8(YC);
writeData8(y2);
writeData8(y1);
writeCmd8(0x21);
writeData8(x1);
writeData8(y1);
writeCmd8(CC);
}
else if(lcd_driver == ID_1106)
{
return;
}
else
{
uint8_t x_buf[] = {x1>>8,x1&0xFF,x2>>8,x2&0xFF};
uint8_t y_buf[] = {y1>>8,y1&0xFF,y2>>8,y2&0xFF};
Push_Command(XC, x_buf, 4);
Push_Command(YC, y_buf, 4);
}
CS_IDLE;
}
// Unlike the 932X drivers that set the address window to the full screen
// by default (using the address counter for drawPixel operations), the
// 7575 needs the address window set on all graphics operations. In order
// to save a few register writes on each pixel drawn, the lower-right
// corner of the address window is reset after most fill operations, so
// that drawPixel only needs to change the upper left each time.
void LCDWIKI_SPI::Set_LR(void)
{
CS_ACTIVE;
writeCmdData8(HX8347G_COLADDREND_HI,(width -1)>>8);
writeCmdData8(HX8347G_COLADDREND_LO,width -1);
writeCmdData8(HX8347G_ROWADDREND_HI,(height -1)>>8);
writeCmdData8(HX8347G_ROWADDREND_LO,height -1);
CS_IDLE;
}
//push color table for 16bits
void LCDWIKI_SPI::Push_Any_Color(uint16_t * block, int16_t n, bool first, uint8_t flags)
{
uint16_t color;
uint8_t h, l;
bool isconst = flags & 1;
// bool isbigend = (flags & 2) != 0;
CS_ACTIVE;
if (first)
{
if(lcd_driver == ID_932X)
{
writeCmd8(ILI932X_START_OSC);
}
writeCmd8(CC);
}
while (n-- > 0)
{
if (isconst)
{
color = pgm_read_word(block++);
}
else
{
color = (*block++);
}
writeData16(color);
}
CS_IDLE;
}
//push color table for 8bits
void LCDWIKI_SPI::Push_Any_Color(uint8_t * block, int16_t n, bool first, uint8_t flags)
{
uint16_t color;
uint8_t h, l;
bool isconst = flags & 1;
bool isbigend = (flags & 2) != 0;
CS_ACTIVE;
if (first)
{
if(lcd_driver == ID_932X)
{
writeCmd8(ILI932X_START_OSC);
}
writeCmd8(CC);
}
while (n-- > 0)
{
if (isconst)
{
h = pgm_read_byte(block++);
l = pgm_read_byte(block++);
}
else
{
h = (*block++);
l = (*block++);
}
color = (isbigend) ? (h << 8 | l) : (l << 8 | h);
writeData16(color);
}
CS_IDLE;
}
//Pass 8-bit (each) R,G,B, get back 16-bit packed color
uint16_t LCDWIKI_SPI::Color_To_565(uint8_t r, uint8_t g, uint8_t b)
{
return ((r& 0xF8) << 8) | ((g & 0xFC) << 3) | ((b & 0xF8) >> 3);
}
//read value from lcd register
uint16_t LCDWIKI_SPI::Read_Reg(uint16_t reg, int8_t index)
{
uint16_t ret,high;
uint8_t low;
// if (!have_reset)
// {
// reset();
// }
CS_ACTIVE;
writeCmd16(reg);
setReadDir();
delay(1);
do
{
//ead8(high);
//ead8(low);
//et = (high << 8) | lowc
read16(ret);
}while (--index >= 0);
// RD_IDLE;
CS_IDLE;
setWriteDir();
return ret;
}
//read graph RAM data
int16_t LCDWIKI_SPI::Read_GRAM(int16_t x, int16_t y, uint16_t *block, int16_t w, int16_t h)
{
uint16_t ret, dummy;
int16_t n = w * h;
uint8_t r, g, b, tmp;
Set_Addr_Window(x, y, x + w - 1, y + h - 1);
while (n > 0)
{
CS_ACTIVE;
writeCmd16(RC);
setReadDir();
if(lcd_driver == ID_932X)
{
while(n)
{
for(int i =0; i< 2; i++)
{
read8(r);
read8(r);
read8(r);
read8(g);
}
*block++ = (r<<8 | g);
n--;
}
Set_Addr_Window(0, 0, width - 1, height - 1);
}
else
{
read8(r);
while (n)
{
if(R24BIT == 1)
{
read8(r);
read8(g);
read8(b);
ret = Color_To_565(r, g, b);
}
else if(R24BIT == 0)
{
read16(ret);
}
*block++ = ret;
n--;
}
}
// RD_IDLE;
CS_IDLE;
setWriteDir();
}
return 0;
}
//read LCD controller chip ID
uint16_t LCDWIKI_SPI::Read_ID(void)
{
uint16_t ret;
if ((Read_Reg(0x04,0) == 0x00)&&(Read_Reg(0x04,1) == 0x8000))
{
uint8_t buf[] = {0xFF, 0x83, 0x57};
Push_Command(HX8357D_SETC, buf, sizeof(buf));
ret = (Read_Reg(0xD0,0) << 16) | Read_Reg(0xD0,1);
if((ret == 0x990000) || (ret == 0x900000))
{
return 0x9090;
}
}
ret = Read_Reg(0xD3,1);
if(ret == 0x9341)
{
return 0x9341;
}
else if(ret == 0x9486)
{
return 0x9486;
}
else
{
return Read_Reg(0, 0);
}
}
//set x,y coordinate and color to draw a pixel point
void LCDWIKI_SPI::Draw_Pixe(int16_t x, int16_t y, uint16_t color)
{
if((x < 0) || (y < 0) || (x > Get_Width()) || (y > Get_Height()))
{
return;
}
Set_Addr_Window(x, y, x, y);
CS_ACTIVE;
if(lcd_driver == ID_1283A)
{
writeData16(color);
}
else if(lcd_driver == ID_1106)
{
if(color)
{
SH1106_buffer[(y/8)*WIDTH+x]|= (1<<(y%8))&0xff;
}
else
{
SH1106_buffer[(y/8)*WIDTH+x]&= ~((1<<(y%8))&0xff);
}
}
else
{
writeCmdData16(CC, color);
}
CS_IDLE;
}
//fill area from x to x+w,y to y+h
void LCDWIKI_SPI::Fill_Rect(int16_t x, int16_t y, int16_t w, int16_t h, uint16_t color)
{
int16_t end;
if (w < 0)
{
w = -w;
x -= w;
} //+ve w
end = x + w;
if (x < 0)
{
x = 0;
}
if (end > Get_Width())
{
end = Get_Width();
}
w = end - x;
if (h < 0)
{
h = -h;
y -= h;
} //+ve h
end = y + h;
if (y < 0)
{
y = 0;
}
if (end > Get_Height())
{
end = Get_Height();
}
h = end - y;
Set_Addr_Window(x, y, x + w - 1, y + h - 1);
CS_ACTIVE;
if(lcd_driver == ID_1106)
{
int16_t i,j;
for(i=0;i<h;i++)
{
for(j=0;j<w;j++)
{
Draw_Pixe(x+j, y+i,color);
}
}
CS_IDLE;
return;
}
else if(lcd_driver == ID_932X)
{
writeCmd8(ILI932X_START_OSC);
}
writeCmd8(CC);
if (h > w)
{
end = h;
h = w;
w = end;
}
while (h-- > 0)
{
end = w;
do
{
writeData16(color);
} while (--end != 0);
}
if(lcd_driver == ID_932X)
{
Set_Addr_Window(0, 0, width - 1, height - 1);
}
else if(lcd_driver == ID_7575)
{