//****************剪切图片
//剪切第picnum幅的图片，放在x1,y1,x2,y2在屏幕显示的区域坐标,x,y为要剪切图片的左上角坐标
void CutPicture(unsigned char picnum,unsigned short x1,unsigned short y1,unsigned short x2,unsigned short y2,unsigned short x,unsigned short y)
{
unsigned long cutaddress, picnumtemp;
Write_Dir(0X06,0X00);//FLASH频率设定
if(picnum<61)
{
Write_Dir(0X05,0X06);//FLASH设置 ac cs1,2c cs0
Write_Dir(0Xc7,0X01);
picnumtemp=picnum;
}
if(picnum>60&picnum<121)
{
Write_Dir(0X05,0X86); //ac
Write_Dir(0Xc7,0X00);
picnumtemp=picnum-60;
}
Write_Dir(0XBF,0X02);//FLASH设置
Active_Window(x1,x2,y1,y2);
MemoryWrite_Position(x1,y1);//内存写入位置
cutaddress=(picnumtemp-1)*262144+y*960+x*2;
DMA_Start_address_setting(cutaddress);
DMA_block_mode_size_setting(x2-x1+1,y2-y1+1,480);
Write_Dir(0XBF,0X03);//FLASH设置
Chk_DMA_Busy();
}
//****************显示flash图片(VS32240M35一个FLASH可以存储107幅图片，可以增加一个FLASH，即214幅图片)
void displaypicture(unsigned char picnum)
{
unsigned int picnumtemp;
Write_Dir(0X06,0X00);//FLASH频率设定
if(picnum<61)
{
Write_Dir(0X05,0X07);//FLASH设置 ac cs1,2c cs0
Write_Dir(0Xc7,0X01);
picnumtemp=picnum;
}
if(picnum>60&picnum<121)
{
Write_Dir(0X05,0X87); //ac
Write_Dir(0Xc7,0X00);
picnumtemp=picnum-60;
}
Write_Dir(0XBF,0X02);//FLASH设置
Active_Window(0,479,0,271);
//Write_Dir(0x41,(1-g_u8LcdLayer));
MemoryWrite_Position(0,0);//内存写入位置
DMA_Start_address_setting(262144*(picnumtemp-1));
DMA_block_mode_size_setting(480,272,480);
Write_Dir(0XBF,0X03);//FLASH设置
Chk_DMA_Busy();
}
void CutPictrue(uchar picnum,uint x1,uint y1,uint x2,uint y2,unsigned long x,unsigned long y)
{unsigned long cutaddress;uchar picnumtemp;
Write_Dir(0X06,0X00);//FLASH frequency setting
Write_Dir(0X05,0Xac);//FLASH setting
picnumtemp=picnum;
Write_Dir(0XBF,0X02);//FLASH setting
Active_Window(x1,x2,y1,y2);
MemoryWrite_Position(x1,y1);//Memory write position
cutaddress=(picnumtemp-1)*261120+y*960+x*2;
DMA_Start_address_setting(cutaddress);
DMA_block_mode_size_setting(x2-x1+1,y2-y1+1,480);
Write_Dir(0XBF,0X03);//FLASH setting
Chk_DMA_Busy();
}
/* Private functions ---------------------------------------------------------*/
void DisplayImageBlockMode(uint startAddress,uint startx , uint starty, uint width, uint height)
{
Active_Window(startx,startx+width-1,starty,starty+height-1);
MemoryWrite_Position(startx,starty);//Memory write position
SROM_CLK_DIV(0X00);//FLASH frequency setting
Serial_ROM_select1();
Serial_ROM_Address_set_24bit();
Select_Serial_Waveform_mode0();
SERIAL_ROM_Read_Cycle_4bus();
SERIAL_ROM_DMA_mode();
SERIAL_ROM_Dual_mode1();
DMA_Start_address_setting(startAddress);//DMA Start address setting
DMA_block_mode_size_setting(width,height,width);
DMA_Block_mode();//FLASH setting
DMA_Start_enable();//FLASH setting
Chk_DMA_Busy();
}