參數(shù)資料
型號: μSAP70732-B03
廠商: NEC Corp.
英文描述: 8 Bit Single Chip Microcontrollers(8位單片微控制器)
中文描述: 8位單片機(jī)微控制器(8位單片微控制器)
文件頁數(shù): 163/166頁
文件大?。?/td> 713K
代理商: ΜSAP70732-B03
APPENDIX B SAMPLE PROGRAM SOURCE LIST (AP705100-B03)
163
/***** Expansion sample program *****/
/*#define CLIPPING*/
#ifdef TINY_VRAM
void
take_out_vram()
{
/* Save contents of VRAM */
}
#endif /* TINY_VRAM */
int
decompress()
{
int ret;
DJinfo.ErrorState = 0; /* initialize */
/* jpeg buffer start address */
DJinfo.JPEG_Buff_Bptr = jpegbuffer;
/* jpeg buffer terminate address */
DJinfo.JPEG_Buff_Eptr = (jpegbuffer + JPEGBUFFSIZE);
/* internal data RAM work area start address */
/* In this case, 0x200 to 0x5FF are used. */
DJinfo.IRAM_Buff_Bptr = (int *)0x200;
/* To perform analysis related to APPn segment */
/* APPINFO structure */
DJinfo.APP_Info_Bptr = &dAppinfo;
/* work area for this library */
DJinfo.Work = (unsigned char *)WorkArea;
/* decompress parameter */
DJinfo.StartX = 0;
DJinfo.StartY = 0;
/* VRAM information */
DJinfo.VRAM_Bptr = (unsigned char *)VRAM_ADDR;
DJinfo.VRAM_W_Pixel = VRAM_WIDTH;
DJinfo.VRAM_H_Pixel = VRAM_HEIGHT;
DJinfo.VRAM_Line_Byte = VRAM_LINE;
DJinfo.VRAM_Pixel_Byte = VRAM_PIXEL;
DJinfo.VRAM_Gap1_Byte = VRAM_GAP1;
DJinfo.VRAM_Gap2_Byte = VRAM_GAP2;
#ifndef CLIPPING /* if not clipping mode */
DJinfo.Mode = 1; /* normal mode */
/* DJinfo.Mode = 2;*/ /* 1/4 mode */
/* DJinfo.Mode = 3;*/ /* 1/16 mode */
/* DJinfo.Mode = 4;*/ /* 1/64 mode */
#else /* CLIPPING */
DJinfo.Mode = 5; /* clipping mode */
/* clipping parameter */
DJinfo.ClipSX = 0;
DJinfo.ClipSY = 1;
DJinfo.ClipW = 2;
DJinfo.ClipH = 3;
#endif /* CLIPPING */
jpeg_next(); /* get first jpeg file data */
while( 1 ){
ret = jpeg_Decompress();
if( ret == JPEG_OK ){
return 1; /* complite */
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