?? 240_320tft_lcd.c
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/**************************************************************
The initial and control for 320×240 16Bpp TFT LCD----3.5寸豎屏
**************************************************************/
#include "def.h"
#include "2410addr.h"
#include "2410lib.h"
#include "240_320TFT_LCD.h"
#include "uart.h"
#include "BMP_show.h"
#include "nandflash_k9f1208.h"
#include "text.h"
#include "rtc.h"
#include <stdarg.h>
#include <string.h>
#include <stdlib.h>
#include <ctype.h>
extern RTC_DATA RTC_DATA0;
static U16 LCD_string_start_addr_x;
static U16 LCD_string_start_addr_y;
static U16 LCD_string_color;
extern unsigned short LCD_WINDOWS_COPY[LCD_YSIZE_TFT_240_320][LCD_XSIZE_TFT_240_320];
extern unsigned short LCD_BUFER[SCR_YSIZE_TFT_240_320][SCR_XSIZE_TFT_240_320]; //開辟虛擬現實內存空間
extern U8 CHINESE_RAM_BUFFER[HZK_16_SIZE+512];
/**************************************************************
320×240 16Bpp TFT LCD數據和控制端口初始化
**************************************************************/
static void Lcd_Port_Init(void)
{
rGPCUP = 0x0; // enable Pull-up register
rGPCCON = 0xaaaa56a9; //Initialize VD[7:0],LCDVF[2:0],VM,VFRAME,VLINE,VCLK,LEND
rGPDUP = 0x0 ; // enable Pull-up register
rGPDCON = 0xaaaaaaaa; //Initialize VD[15:8]
}
/**************************************************************
320×240 16Bpp TFT LCD功能模塊初始化
**************************************************************/
static void Lcd_Init(void)
{
// TFT LCD panel 5 <<8 |Each Frame toggle VM| TFT | 16 bpp for TFT | ENVID=off
rLCDCON1=(CLKVAL_TFT_240_320<<8) | (MVAL_USED<<7) | (3<<5) | (12<<1) ;
// Vertical back porch | | Vertical front porch| Vertical sync pulse
rLCDCON2=(VBPD_240_320<<24) | (LINEVAL_TFT_240_320<<14)| (VFPD_240_320<<6) | (VSPW_240_320);
// Horizontal back porch | | Horizontal front porch
rLCDCON3=(HBPD_240_320<<19) | (HOZVAL_TFT_240_320<<8) | (HFPD_240_320);
// | Horizontal sync pulse width
rLCDCON4=(MVAL<<8) | (HSPW_240_320);
// 5:6:5 Format | HSYNC and VSYNC are not inverted | BYTE 0 /Half-Word 1 swap control
rLCDCON5=(1<<11) | (0<<9) | (0<<8) | (0<<6) | (BSWP<<1) | (HWSWP); //----LQ035Q7DB02
// LCDBANK | LCDBASEU
rLCDSADDR1= ( ((U32)LCD_BUFER>>22) <<21) | M5D( (U32)LCD_BUFER >> 1 );
// LCDBASEL 一個點16BIT 8BIT地址 所以最后乘以二
rLCDSADDR2=M5D( ((U32)LCD_BUFER+(SCR_XSIZE_TFT_240_320*LCD_YSIZE_TFT_240_320*2))>>1 );
// Virtual screen offset size (the number of half words) |Virtual screen page width (the number of half words). |
rLCDSADDR3=(((SCR_XSIZE_TFT_240_320-LCD_XSIZE_TFT_240_320)/1)<<11) | (LCD_XSIZE_TFT_240_320/1 );
rLCDINTMSK|=(3); // MASK LCD Sub Interrupt
rLPCSEL&=(~7); // Disable LPC3600
rTPAL=0; // Disable Temp Palette
}
/**************************************************************
LCD視頻和控制信號輸出或者停止，1開啟視頻輸出
**************************************************************/
static void Lcd_EnvidOnOff(int onoff)
{
if(onoff==1)
rLCDCON1|=1; // ENVID=ON
else
rLCDCON1 =rLCDCON1 & 0x3fffe; // ENVID Off
}
/**************************************************************
LPC3600 is a timing control logic unit
**************************************************************/
/*
static void Lcd_Lpc3600Enable(void)
{
rLPCSEL&=~(7);
rLPCSEL|=(7); // 240320,Enable LPC3600
}
*/
/**************************************************************
320×240 8Bpp TFT LCD 電源控制引腳使能
**************************************************************/
/*
static void Lcd_PowerEnable(int invpwren,int pwren)
{
//GPG4 is setted as LCD_PWREN
rGPGUP = rGPGUP|(1<<4); // Pull-up disable
rGPGCON = rGPGCON|(3<<8); //GPG4=LCD_PWREN
//Enable LCD POWER ENABLE Function
rLCDCON5 = rLCDCON5&(~(1<<3))|(pwren<<3); // PWREN
rLCDCON5=rLCDCON5&(~(1<<5))|(invpwren<<5); // INVPWREN
}
*/
/**************************************************************
320×240 16Bpp TFT LCD移動觀察窗口
功能將LCD移動觀察窗口左上角設置相對虛擬顯存入口矩陣的偏值vx,vy上
**************************************************************/
//
// 1。顯示系統半字節對齊,顯示從{(LCDBANK<<1)+(LCDBASEU<<1)}即LCDSADDR1<<1的半字節對齊的地址開始,
// 以PAGEWIDTH為一屏行的結束,相隔OFFSIZE的下一個地址開始顯示下一屏行,
// 直到地址達到(LCDBANK<<1)+(LCDBASEL<<1)結束!!!!!
// 2。屏幕上點水平移動一格，實際8BIT地址變2
void Lcd_MoveViewPort(int vx,int vy) //vx,vy為相對虛擬顯存入口矩陣的偏值
{
U32 addr;
SET_IF(); //禁止IRQ FIQ中斷
#if (LCD_XSIZE_TFT_240_320<32)
while((rLCDCON1>>18)<=1); // if x<32
#else
while((rLCDCON1>>18)==0); // if x>32
#endif
if(vx > SCR_XSIZE_TFT_240_320/2 ) vx=SCR_XSIZE_TFT_240_320/2;
if(vx < 0) vx =0 ;
if(vy > SCR_YSIZE_TFT_240_320/2 ) vy=SCR_YSIZE_TFT_240_320/2;
if(vy < 0) vy =0 ;
addr=(U32)LCD_BUFER+ (vx + vy*SCR_XSIZE_TFT_240_320)*2;
// rLCDSADDR1= ( (addr>>22)<<21 ) | M5D(addr>>1 );
rLCDSADDR1 = (addr>>1);
rLCDSADDR2= M5D(((addr+(SCR_XSIZE_TFT_240_320*LCD_YSIZE_TFT_240_320*2))>>1));
CLR_IF(); // 開啟IRQ FIQ中斷
}
// 功能獲得LCD觀察窗口左上角點相對虛擬顯存入口矩陣(LCD_BUFFER)的偏值dx,dy
lcd_window_start_point Get_LcdViewPort_StartPoint(void)
{
lcd_window_start_point lcd_window_start_point0;
lcd_window_start_point0.Y = ((rLCDSADDR1<<1)-(U32)LCD_BUFER)/SCR_XSIZE_TFT_240_320 /2;
lcd_window_start_point0.X = (((rLCDSADDR1<<1)-(U32)LCD_BUFER)- 2*lcd_window_start_point0.Y*SCR_XSIZE_TFT_240_320)/2;
// 不能用SCR_XSIZE_TFT_240_320求余來計算lcd_window_start_point0.X，會有錯誤。！！！！！
//Uart_Printf("Windows is now at (%d,%d)\n\n",lcd_window_start_point0.X,lcd_window_start_point0.Y);
return(lcd_window_start_point0);
}
/**************************************************************
320×240 16Bpp TFT LCD移動觀察窗口
**************************************************************/
void MoveViewPort(void)
{ lcd_window_start_point lcd_window_start_point1;
int vx;
int vy;
int vd=9;
lcd_window_start_point1=Get_LcdViewPort_StartPoint();
vx=lcd_window_start_point1.X;
vy=lcd_window_start_point1.Y;
Uart_Printf("\n press 8 is up\n");
Uart_Printf(" press 2 is down\n");
Uart_Printf(" press 4 is left\n");
Uart_Printf(" press 6 is right\n");
Uart_Printf(" press 5 is back to middle\n");
Uart_Printf(" press Enter to exit!\n");
while(1)
{ // 其意思是LCD窗口左上角點 ，在LCD虛擬顯存陣列左上四分之一塊移動，那么是LCD窗口可以看見整個LCD虛擬顯存陣列
//
switch(Uart_Getch()){
case '8': if(vy>=vd) vy-=vd; break; //RTC_DATA0.MIN++;rtc_set_data(RTC_DATA0);break;
case '2': if(vy<= SCR_YSIZE_TFT_240_320/2-vd) vy+=vd; break;//RTC_DATA0.MIN--;rtc_set_data(RTC_DATA0);break;
case '4': if(vx>=vd) vx-=vd; break;
case '6': if(vx<= SCR_XSIZE_TFT_240_320/2-vd) vx+=vd; break;
case '7': vx=0; vy=0 ;break;
case '9': vx=SCR_XSIZE_TFT_240_320/2; vy=0 ;break;
case '1': vx=0; vy=SCR_YSIZE_TFT_240_320/2 ;break;
case '3': vx=SCR_XSIZE_TFT_240_320/2; vy=SCR_YSIZE_TFT_240_320/2 ;break;
case '5': vx=SCR_XSIZE_TFT_240_320/4; vy=SCR_YSIZE_TFT_240_320/4 ;break;
case '0': display_bmp_single(0x01000000);break;
case '=': Text_Show_OnePage(0x0);break; // RTC_DATA0.SEC++;rtc_set_data(RTC_DATA0);
case '-': Text_Show_OnePage(0x0); break; //RTC_DATA0.SEC--;rtc_set_data(RTC_DATA0);break;
case '\r': return;
default: break;
}
// Uart_Printf("Windows will be at (%d,%d)\n",vx,vy);
Lcd_MoveViewPort(vx,vy);
Get_LcdViewPort_StartPoint();
}
}
/**************************************************************
320×240 16Bpp TFT LCD單個象素的顯示數據輸出
**************************************************************/
static void PutPixel(int x,int y,U32 c)
{
if ( (x < SCR_XSIZE_TFT_240_320) && (y < SCR_YSIZE_TFT_240_320) )
{ if((x>=0)&&(y>=0))
LCD_BUFER[(y)][(x)] = c;
}
}
/**************************************************************
320×240 16Bpp TFT LCD全屏填充特定顏色單元或清屏
**************************************************************/
void Lcd_ClearScr(U16 c)
{
unsigned int x,y ;
for( y = 0 ; y < SCR_YSIZE_TFT_240_320 ; y++ )
{
for( x = 0 ; x < SCR_XSIZE_TFT_240_320 ; x++ )
{
LCD_BUFER[y][x] = c;
}
}
}
//
void Lcd_Cross(int x,int y,int color){
Glib_Line(x,y-LCD_CROSS_SIZE,x,y+LCD_CROSS_SIZE,color);
Glib_Line(x-LCD_CROSS_SIZE,y,x+LCD_CROSS_SIZE,y,color);
}
/**************************************************************
LCD屏幕顯示垂直翻轉
// LCD display is flipped vertically
// But, think the algorithm by mathematics point.
// 3I2
// 4 I 1
// --+-- <-8 octants mathematical cordinate
// 5 I 8
// 6I7
**************************************************************/
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;}
}
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