📄 lcd_nec35.c
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/**************************************************************
The initial and control for 320×240 16Bpp TFT LCD----LCD_LTV350QV-F04
**************************************************************/
#include "def.h"
#include "option.h"
#include "2440addr.h"
#include "2440lib.h"
#include "2440slib.h"
#include "LCD_LTS350Q1_PE1.h"
#define MVAL (13)
#define MVAL_USED (0) //0=each frame 1=rate by MVAL
#define INVVDEN (1) //0=normal 1=inverted
#define BSWP (0) //Byte swap control
#define HWSWP (1) //Half word swap control
#define M5D(n) ((n) & 0x1fffff) // To get lower 21bits
//TFT 240320
#define LCD_XSIZE_TFT_240320 (240)
#define LCD_YSIZE_TFT_240320 (320)
#define SCR_XSIZE_TFT_240320 (240)
#define SCR_YSIZE_TFT_240320 (320)
//TFT240320
#define HOZVAL_TFT_240320 (LCD_XSIZE_TFT_240320-1)
#define LINEVAL_TFT_240320 (LCD_YSIZE_TFT_240320-1)
//Timing parameter for NEC3.5"
#define VBPD_240320 (1) //垂直同步信号的后肩
#define VFPD_240320 (5) //垂直同步信号的前肩
#define VSPW_240320 (1) //垂直同步信号的脉宽
#define HBPD_240320 (36) //水平同步信号的后肩
#define HFPD_240320 (19) //水平同步信号的前肩
#define HSPW_240320 (5) //水平同步信号的脉宽
#define CLKVAL_TFT_240320 (4)
//FCLK=180MHz,HCLK=90MHz,VCLK=6.5MHz
// GPB1/TOUT1 for Backlight control(PWM)
#define GPB1_TO_OUT() (rGPBUP &= 0xfffd, rGPBCON &= 0xfffffff3, rGPBCON |= 0x00000004)
#define GPB1_TO_1() (rGPBDAT |= 0x0002)
#define GPB1_TO_0() (rGPBDAT &= 0xfffd)
extern void Uart_Printf(char *f, ...) ;
static void Lcd_PowerEnable(int invpwren,int pwren);
volatile static unsigned short LCD_BUFFER[SCR_YSIZE_TFT_240320][SCR_XSIZE_TFT_240320];
/**************************************************************
320×240 16Bpp TFT LCD功能模块初始化
**************************************************************/
static void Lcd_Init(void)
{
rGPCUP = 0x00000000;
rGPCCON = 0xaaaa02a9;
// rGPDUP=0xffffffff; // Disable Pull-up register
rGPDUP = 0x00000000;
rGPDCON=0xaaaaaaaa; //Initialize VD[15:8]
rLCDCON1=(CLKVAL_TFT_240320<<8)|(MVAL_USED<<7)|(3<<5)|(12<<1)|0;
// TFT LCD panel,12bpp TFT,ENVID=off
rLCDCON2=(VBPD_240320<<24)|(LINEVAL_TFT_240320<<14)|(VFPD_240320<<6)|(VSPW_240320);
rLCDCON3=(HBPD_240320<<19)|(HOZVAL_TFT_240320<<8)|(HFPD_240320);
rLCDCON4=(MVAL<<8)|(HSPW_240320);
rLCDCON5 = (1<<11) | (1<<10) | (1<<9) | (1<<8) | (0<<7) | (0<<6)
| (1<<3) |(BSWP<<1) | (HWSWP);
rLCDSADDR1=(((U32)LCD_BUFFER>>22)<<21)|M5D((U32)LCD_BUFFER>>1);
rLCDSADDR2=M5D( ((U32)LCD_BUFFER+(SCR_XSIZE_TFT_240320*LCD_YSIZE_TFT_240320*2))>>1 );
rLCDSADDR3=(((SCR_XSIZE_TFT_240320-LCD_XSIZE_TFT_240320)/1)<<11)|(LCD_XSIZE_TFT_240320/1);
rLCDINTMSK|=(3); // MASK LCD Sub Interrupt
rTCONSEL &= (~7) ; // Disable LPC3480
rTPAL=0; // Disable Temp Palette
}
/**************************************************************
LCD视频和控制信号输出或者停止，1开启视频输出
**************************************************************/
static void Lcd_EnvidOnOff(int onoff)
{
if(onoff==1)
rLCDCON1|=1; // ENVID=ON
else
rLCDCON1 =rLCDCON1 & 0x3fffe; // ENVID Off
}
/**************************************************************
240×320 8Bpp TFT LCD 电源控制引脚使能(注意:在NEC3.5" 驱动板中实际并没有该函数相应的硬件支持)
**************************************************************/
static void Lcd_PowerEnable(int invpwren,int pwren)
{
//GPG4 is setted as LCD_PWREN
rGPGUP=rGPGUP&(~(1<<4))|(1<<4); // Pull-up disable
rGPGCON=rGPGCON&(~(3<<8))|(3<<8); //GPG4=LCD_PWREN
rGPGDAT = rGPGDAT | (1<<4) ;
// invpwren=pwren;
//Enable LCD POWER ENABLE Function
rLCDCON5=rLCDCON5&(~(1<<3))|(pwren<<3); // PWREN
rLCDCON5=rLCDCON5&(~(1<<5))|(invpwren<<5); // INVPWREN
}
/**************************************************************
240×320 16Bpp TFT LCD单个象素的显示数据输出
**************************************************************/
static void PutPixel(U32 x,U32 y, U32 c )
{
if ( (x < SCR_XSIZE_TFT_240320) && (y < SCR_YSIZE_TFT_240320) )
LCD_BUFFER[(y)][(x)] = c;
}
/**************************************************************
240×320 16Bpp TFT LCD全屏填充特定颜色单元或清屏
**************************************************************/
static void Lcd_ClearScr( U32 c)
{
unsigned int x,y ;
for( y = 0 ; y < SCR_YSIZE_TFT_240320 ; y++ )
{
for( x = 0 ; x < SCR_XSIZE_TFT_240320 ; x++ )
{
LCD_BUFFER[y][x] = c ;
}
}
}
/**************************************************************
LCD屏幕显示垂直翻转
// LCD display is flipped vertically
// But, think the algorithm by mathematics point.
// 3I2
// 4 I 1
// --+-- <-8 octants mathematical cordinate
// 5 I 8
// 6I7
**************************************************************/
static void Glib_Line(int x1,int y1,int x2,int y2,int color)
{
int dx,dy,e;
dx=x2-x1;
dy=y2-y1;
if(dx>=0)
{
if(dy >= 0) // dy>=0
{
if(dx>=dy) // 1/8 octant
{
e=dy-dx/2;
while(x1<=x2)
{
PutPixel(x1,y1,color);
if(e>0){y1+=1;e-=dx;}
x1+=1;
e+=dy;
}
}
else // 2/8 octant
{
e=dx-dy/2;
while(y1<=y2)
{
PutPixel(x1,y1,color);
if(e>0){x1+=1;e-=dy;}
y1+=1;
e+=dx;
}
}
}
else // dy<0
{
dy=-dy; // dy=abs(dy)
if(dx>=dy) // 8/8 octant
{
e=dy-dx/2;
while(x1<=x2)
{
PutPixel(x1,y1,color);
if(e>0){y1-=1;e-=dx;}
x1+=1;
e+=dy;
}
}
else // 7/8 octant
{
e=dx-dy/2;
while(y1>=y2)
{
PutPixel(x1,y1,color);
if(e>0){x1+=1;e-=dy;}
y1-=1;
e+=dx;
}
}
}
}
else //dx<0
{
dx=-dx; //dx=abs(dx)
if(dy >= 0) // dy>=0
{
if(dx>=dy) // 4/8 octant
{
e=dy-dx/2;
while(x1>=x2)
{
PutPixel(x1,y1,color);
if(e>0){y1+=1;e-=dx;}
x1-=1;
e+=dy;
}
}
else // 3/8 octant
{
e=dx-dy/2;
while(y1<=y2)
{
PutPixel(x1,y1,color);
if(e>0){x1-=1;e-=dy;}
y1+=1;
e+=dx;
}
}
}
else // dy<0
{
dy=-dy; // dy=abs(dy)
if(dx>=dy) // 5/8 octant
{
e=dy-dx/2;
while(x1>=x2)
{
PutPixel(x1,y1,color);
if(e>0){y1-=1;e-=dx;}
x1-=1;
e+=dy;
}
}
else // 6/8 octant
{
e=dx-dy/2;
while(y1>=y2)
{
PutPixel(x1,y1,color);
if(e>0){x1-=1;e-=dy;}
y1-=1;
e+=dx;
}
}
}
}
}
/**************************************************************
在LCD屏幕上画一个矩形
**************************************************************/
static void Glib_Rectangle(int x1,int y1,int x2,int y2,int color)
{
Glib_Line(x1,y1,x2,y1,color);
Glib_Line(x2,y1,x2,y2,color);
Glib_Line(x1,y2,x2,y2,color);
Glib_Line(x1,y1,x1,y2,color);
}
/**************************************************************
在LCD屏幕上用颜色填充一个矩形
**************************************************************/
static void Glib_FilledRectangle(int x1,int y1,int x2,int y2,int color)
{
int i;
for(i=y1;i<=y2;i++)
Glib_Line(x1,i,x2,i,color);
}
/**************************************************************
在LCD屏幕上指定坐标点画一个指定大小的图片
**************************************************************/
static void Paint_Bmp(int x0,int y0,int h,int l,unsigned char bmp[])
{
int x,y;
U32 c;
int p = 0;
for( y = y0 ; y < l ; y++ )
{
for( x = x0 ; x < h ; x++ )
{
c = bmp[p+1] | (bmp[p]<<8) ;
if ( ( (x0+x) < SCR_XSIZE_TFT_240320) && ( (y0+y) < SCR_YSIZE_TFT_240320) )
LCD_BUFFER[y0+y][x0+x] = c ;
p = p + 2 ;
}
}
}
/**************************************************************
**************************************************************/
void Lcd_Tft_NEC35_Init(void)
{
//qjy: turn on the blacklight!
GPB1_TO_OUT();
GPB1_TO_1();
Lcd_Init();
LcdBkLtSet( 70 ) ;
Lcd_PowerEnable(0, 1);
Lcd_EnvidOnOff(1); //turn on vedio
Lcd_ClearScr( (0x00<<11) | (0x00<<5) | (0x00) );
Paint_Bmp(0, 0, 240, 320,iphone_unlock_240x320);
}
void Lcd_Tft_NEC35_Test( void )
{
// Lcd_Tft_LTS350Q1_PE1_Init();
Uart_Printf("\nTest NEC3.5\" (TFT LCD)!\n");
Lcd_ClearScr( (0x00<<11) | (0x00<<5) | (0x00) ) ; //clear screen
Uart_Printf( "\nLCD clear screen is finished! press any key to continue!\n" );
Uart_Getch() ; //wait uart input
Lcd_ClearScr( (0x1f<<11) | (0x3f<<5) | (0x1f) ) ; //clear screen
Uart_Printf( "LCD clear screen is finished! press any key to continue!\n" );
Uart_Getch() ; //wait uart input
Lcd_ClearScr( (0x00<<11) | (0x00<<5) | (0x1f) ) ; //clear screen
Uart_Printf( "LCD clear screen is finished! press any key to continue!\n" );
Uart_Getch() ; //wait uart input
Lcd_ClearScr( (0x00<<11) | (0x3f<<5) | (0x00) ) ; //clear screen
Uart_Printf( "LCD clear screen is finished! press any key to continue!\n" );
Uart_Getch() ; //wait uart input
Lcd_ClearScr(0xffff); //fill all screen with some color
#define LCD_BLANK 12
#define C_UP ( LCD_XSIZE_TFT_240320 - LCD_BLANK*2 )
#define C_RIGHT ( LCD_XSIZE_TFT_240320 - LCD_BLANK*2 )
#define V_BLACK ( ( LCD_YSIZE_TFT_240320 - LCD_BLANK*4 ) / 6 )
Glib_FilledRectangle( LCD_BLANK, LCD_BLANK, ( LCD_XSIZE_TFT_240320 - LCD_BLANK ), ( LCD_YSIZE_TFT_240320 - LCD_BLANK ),0x0000); //fill a Rectangle with some color
Glib_FilledRectangle( (LCD_BLANK*2), (LCD_BLANK*2 + V_BLACK*0), (C_RIGHT), (LCD_BLANK*2 + V_BLACK*1),0x001f); //fill a Rectangle with some color
Glib_FilledRectangle( (LCD_BLANK*2), (LCD_BLANK*2 + V_BLACK*1), (C_RIGHT), (LCD_BLANK*2 + V_BLACK*2),0x07e0); //fill a Rectangle with some color
Glib_FilledRectangle( (LCD_BLANK*2), (LCD_BLANK*2 + V_BLACK*2), (C_RIGHT), (LCD_BLANK*2 + V_BLACK*3),0xf800); //fill a Rectangle with some color
Glib_FilledRectangle( (LCD_BLANK*2), (LCD_BLANK*2 + V_BLACK*3), (C_RIGHT), (LCD_BLANK*2 + V_BLACK*4),0xffe0); //fill a Rectangle with some color
Glib_FilledRectangle( (LCD_BLANK*2), (LCD_BLANK*2 + V_BLACK*4), (C_RIGHT), (LCD_BLANK*2 + V_BLACK*5),0xf81f); //fill a Rectangle with some color
Glib_FilledRectangle( (LCD_BLANK*2), (LCD_BLANK*2 + V_BLACK*5), (C_RIGHT), (LCD_BLANK*2 + V_BLACK*6),0x07ff); //fill a Rectangle with some color
Glib_Line( LCD_BLANK,LCD_BLANK, (LCD_XSIZE_TFT_240320-LCD_BLANK), (LCD_YSIZE_TFT_240320-LCD_BLANK), 0x0000 ) ;
Glib_Line( LCD_BLANK,(LCD_YSIZE_TFT_240320-LCD_BLANK), (LCD_XSIZE_TFT_240320-LCD_BLANK), LCD_BLANK, 0x0000 ) ;
Glib_Line( (LCD_XSIZE_TFT_240320/2),(LCD_BLANK*2 + V_BLACK*0), (LCD_XSIZE_TFT_240320/2), (LCD_BLANK*2 + V_BLACK*6), 0x0000 ) ;
Uart_Getch() ; //Any Key To Next
Paint_Bmp(0, 0, 240, 320, flower1_240_320);
Paint_Bmp(0, 0, 240, 320, FriendlyARM_pic_240x320);
Uart_Printf("bmp,Any Key To Next!\n");
Uart_Getch() ;
}
//*************************************************************
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