📄 lcd_240x320.c
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/*
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;
//本图片显示是正的显示方式
for( y = 0 ; y < l ; y++ )
{
for( x = 0 ; x < h ; x++ )
{
c = bmp[p+1] | (bmp[p]<<8) ;
if ( ( (x0+x) < SCR_XSIZE_TFT_320240) && ( (y0+y) < SCR_YSIZE_TFT_320240) )
LCD_BUFER[y0+y][x0+x] = c ;
p = p + 2 ;
}
}
/*本图片显示是倒过来的，是旋转了180度的显示方式
for( y = l ; y > 0 ; y-- )
{
for( x = h ; x > 0 ; x-- )
{
c = bmp[p+1] | (bmp[p]<<8) ;
if ( ( (x0+x) < SCR_XSIZE_TFT_240320) && ( (y0+y) < SCR_YSIZE_TFT_240320) )
LCD_BUFER[y0+y][x0+x] = c ;
p = p + 2 ;
}
}
*/
}
void Lcd_Tft_240X320_Init( void )
{
Lcd_Port_Init();
//***********************************
//LTV350QV_Reset(); //reset LCD panel
LTV350QV_Power_ON();
//***********************************
Lcd_Init();
Lcd_EnvidOnOff(1); //turn on vedio
Lcd_ClearScr(0xffff); //fill all screen with some color
#define LCD_BLANK 16
#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_320240 - LCD_BLANK ), ( LCD_YSIZE_TFT_320240 - LCD_BLANK ),0x0000); //fill a Rectangle with some color
Glib_FilledRectangle( (LCD_BLANK*2 + V_BLACK*0), (LCD_BLANK*2), (LCD_BLANK*2 + V_BLACK*1),(C_RIGHT), 0x001f); //fill a Rectangle with some color
Glib_FilledRectangle( (LCD_BLANK*2 + V_BLACK*1), (LCD_BLANK*2), (LCD_BLANK*2 + V_BLACK*2),(C_RIGHT), 0x07e0); //fill a Rectangle with some color
Glib_FilledRectangle( (LCD_BLANK*2 + V_BLACK*2), (LCD_BLANK*2),(LCD_BLANK*2 + V_BLACK*3),(C_RIGHT), 0xf800); //fill a Rectangle with some color
Glib_FilledRectangle( (LCD_BLANK*2 + V_BLACK*3), (LCD_BLANK*2), (LCD_BLANK*2 + V_BLACK*4),(C_RIGHT),0xffe0); //fill a Rectangle with some color
Glib_FilledRectangle( (LCD_BLANK*2 + V_BLACK*4), (LCD_BLANK*2), (LCD_BLANK*2 + V_BLACK*5),(C_RIGHT),0xf81f); //fill a Rectangle with some color
Glib_FilledRectangle( (LCD_BLANK*2 + V_BLACK*5), (LCD_BLANK*2), (LCD_BLANK*2 + V_BLACK*6),(C_RIGHT),0x07ff); //fill a Rectangle with some color
}
/**************************************************************
**************************************************************/
void Test_Lcd_Tft_240X320( void )
{
#ifdef DEBUG
Uart_Printf("\nTest 240*320 TFT LCD !\n");
#endif
//Lcd_Port_Init();
//***********************************
//LTV350QV_Reset(); //reset LCD panel
//LTV350QV_Power_ON();
//***********************************
//Lcd_Init();
//Lcd_EnvidOnOff(1); //turn on vedio
/*
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( (0x1f<<11) | (0x00<<5) | (0x00) ) ; //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) | (0x1f) ) ; //clear screen
Uart_Printf( "LCD clear screen is finished! press any key to continue!\n" );
Uart_Getch() ; //wait uart input
Lcd_ClearScr( (0x1f<<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( (0x1f<<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 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_320240 - LCD_BLANK ), ( LCD_YSIZE_TFT_320240 - LCD_BLANK ),0x0000); //fill a Rectangle with some color
Glib_FilledRectangle( (LCD_BLANK*2 + V_BLACK*0), (LCD_BLANK*2), (LCD_BLANK*2 + V_BLACK*1),(C_RIGHT), 0x001f); //fill a Rectangle with some color
Glib_FilledRectangle( (LCD_BLANK*2 + V_BLACK*1), (LCD_BLANK*2), (LCD_BLANK*2 + V_BLACK*2),(C_RIGHT), 0x07e0); //fill a Rectangle with some color
Glib_FilledRectangle( (LCD_BLANK*2 + V_BLACK*2), (LCD_BLANK*2),(LCD_BLANK*2 + V_BLACK*3),(C_RIGHT), 0xf800); //fill a Rectangle with some color
Glib_FilledRectangle( (LCD_BLANK*2 + V_BLACK*3), (LCD_BLANK*2), (LCD_BLANK*2 + V_BLACK*4),(C_RIGHT),0xffe0); //fill a Rectangle with some color
Glib_FilledRectangle( (LCD_BLANK*2 + V_BLACK*4), (LCD_BLANK*2), (LCD_BLANK*2 + V_BLACK*5),(C_RIGHT),0xf81f); //fill a Rectangle with some color
Glib_FilledRectangle( (LCD_BLANK*2 + V_BLACK*5), (LCD_BLANK*2), (LCD_BLANK*2 + V_BLACK*6),(C_RIGHT),0x07ff); //fill a Rectangle with some color
Uart_Printf( "LCD color test, please look! press any key to continue!\n" );
Uart_Getch() ; //wait uart input
/*
Lcd_ClearScr(0x00); //fill all screen with some color
Paint_Bmp( 0,0,240,320, girl13_240_320 ) ; //paint a bmp
MoveViewPort();
Lcd_MoveViewPort(0,0);
*/
Lcd_ClearScr(0x00); //fill all screen with some color
Paint_Bmp( 0,0,320,240, xyx_240_320 ) ; //paint a bmp
//MoveViewPort();
//Lcd_MoveViewPort(0,0);
//LTV350QV_Powen_OFF();
}
/*****************************************
* *for LTV350QV_POE TFT LCD
*****************************************/
//short delay for about 90*time ns
void LTV350QV_Short_Delay(U8 time)
{
U8 i;
for(i=0;i<time*15;i++) ; //about 360 ns
}
//****************************************
void LTV350QV_Reset(void)
{
RST_L;
Delay(100);
RST_H;
Delay(1);
}
void LTV350QV_Register_Write(LTV350QV_SPI_Data regdata)
{
U8 i,temp1;
U16 temp2;
U32 temp3;
//write index
temp1=regdata.Device_ID<<2 | 0<<1 | 0<<0; //register index
temp2=regdata.Index;
temp3=(temp1<<24) | (temp2<<8);
CS_L;
LTV350QV_Short_Delay(1);
for(i=0;i<24;i++)
{
SCLK_L;
if(temp3 & (1<<(31-i)) ) //if is H
SDI_H;
else
SDI_L;
LTV350QV_Short_Delay(1); //setup time
SCLK_H;
LTV350QV_Short_Delay(1); //hold time
}
CS_H;
LTV350QV_Short_Delay(5);
//write instruction
temp1=regdata.Device_ID<<2 | 1<<1 | 0<<0; //instruction
temp2=regdata.Structure;
temp3=(temp1<<24) | (temp2<<8);
CS_L;
LTV350QV_Short_Delay(1);
for(i=0;i<24;i++)
{
SCLK_L;
if(temp3 & (1<<(31-i)) ) //if is H
SDI_H;
else
SDI_L;
LTV350QV_Short_Delay(1);
SCLK_H;
LTV350QV_Short_Delay(1);
}
CS_H;
}
U16 LTV350QV_Register_Read(U8 index)
{
U8 i,temp1;
U16 temp2;
U32 temp3;
//write index
temp1=LTV350QV_POE<<2 | 0<<1 | 1<<0; //register index
temp2=index;
temp3=(temp1<<24) | (temp2<<8);
CS_L;
LTV350QV_Short_Delay(1);
for(i=0;i<24;i++)
{
SCLK_L;
if(temp3 & (1<<(31-i)) ) //if is H
SDI_H;
else
SDI_L;
LTV350QV_Short_Delay(1); //setup time
SCLK_H;
LTV350QV_Short_Delay(1); //hold time
}
CS_H;
LTV350QV_Short_Delay(5);
//read instruction
temp1=LTV350QV_POE<<2 | 1<<1 | 1<<0; //instruction
temp3=temp1<<24;
CS_L;
LTV350QV_Short_Delay(1);
for(i=0;i<8;i++) //send device ID
{
SCLK_L;
if(temp3 & (1<<(31-i)) ) //if is H
SDI_H;
else
SDI_L;
LTV350QV_Short_Delay(1); //setup time
SCLK_H;
LTV350QV_Short_Delay(1); //hold time
}
temp2=0;
rGPCCON &=~(1<<20); //SDI input
for(i=0;i<16;i++) //read data from the register
{
SCLK_L;
LTV350QV_Short_Delay(1);
SCLK_H;
LTV350QV_Short_Delay(1);
if(SDI_STATE) //if H
temp2 |=1<<(15-i);
else //if L
;
LTV350QV_Short_Delay(1);
}
CS_H;
return temp2;
}
/****************************************
* *
****************************************/
void LTV350QV_Write(U16 index, U16 regdata)
{
LTV350QV_SPI_Data WriteData;
WriteData.Device_ID=LTV350QV_POE; //0x1d
WriteData.Index=index; //
WriteData.Structure=regdata;
LTV350QV_Register_Write(WriteData);
}
/****************************************
* *power ON sequence
****************************************/
void LTV350QV_Power_ON(void)
{
LTV350QV_Write(9, 0x0000);
Delay(150);
LTV350QV_Write(9, 0x4000);
LTV350QV_Write(10, 0x2000);
LTV350QV_Write(9, 0x4055);
Delay(550);
LTV350QV_Write(1, 0x409d);
LTV350QV_Write(2, 0x0284);
LTV350QV_Write(3, 0x0100);
LTV350QV_Write(4, 0x3000);
LTV350QV_Write(5, 0x4003);
LTV350QV_Write(6, 0x000a);
LTV350QV_Write(7, 0x0021);
LTV350QV_Write(8, 0x0c00);
LTV350QV_Write(10, 0x0103);
LTV350QV_Write(11, 0x0301);
LTV350QV_Write(12, 0x1f0f);
LTV350QV_Write(13, 0x1f0f);
LTV350QV_Write(14, 0x0707);
LTV350QV_Write(15, 0x0307);
LTV350QV_Write(16, 0x0707);
LTV350QV_Write(17, 0x0000);
LTV350QV_Write(18, 0x0004);
LTV350QV_Write(19, 0x0000);
Delay(200);
LTV350QV_Write(9, 0x4a55);
LTV350QV_Write(5, 0x5003);
}
/**********************************
* *power OFF sequence
**********************************/
void LTV350QV_Powen_OFF(void)
{
/* GON -> 0, POC -> 0 */
LTV350QV_Write(9, 0x4055);
/* DSC -> 0 */
LTV350QV_Write(5, 0x4003);
/* VCOMG -> 0 */
LTV350QV_Write(10, 0x0000);
Delay(20);
/* AP[2:0] -> 000 */
LTV350QV_Write(9, 0x4000);
}
//*************************************************************
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