?? sys_func.c
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#include "system.h"
short VideoOutDes[8] =
{
0,0,0,0x6815,864,2,625,2
};
#define Y_y_modify 292// 289 + 1 +2
#define Y_uv_modify 2024//292 + 1728
//DMA + 4:2:0 --> 4:2:2
short Descri_VideoOut_S0_M[] =
{/*SAL,SAH,DMACFG,XCNT,XMOD,YCNT,YMOD*/
0,0,0x4711,360,1,288,121,//y_filed_1
0,0,0x4711,360,1,288,121,//y_filed_1'
//0,0,0,0,0,0,0,
0,0,0x4711,180,1,144,61,//u_filed_1
0,0,0x4711,180,1,144,61,//u_filed_1'
0,0,0x4711,180,1,144,61,//u'_filed_1
0,0,0x4711,180,1,144,61,//u'_filed_1'
0,0,0x4711,180,1,144,61,//v_filed_1
0,0,0x4711,180,1,144,61,//v_filed_1'
0,0,0x4711,180,1,144,61,//v'_filed_1
0,0,0x4711,180,1,144,61,//v'_filed_'
//0,0,0,0,0,0,0,
// 0,0,0x4719,360,4,288,289,
0,0,0x0011,1440,1,288,289,//v'_filed_'
0,0,0,0,0,0,0
};
short Descri_VideoOut_D0_M[] =
{/*SAL,SAH,DMACFG,XCNT,XMOD,YCNT,YMOD*/
0,0,0x4713,360,4,288,Y_y_modify,//y_filed_1
0,0,0x4713,360,4,288,Y_y_modify,//y_filed_1'
//0,0,0,0,0,0,0,
0,0,0x4713,180,8,144,Y_uv_modify,//u_filed_1
0,0,0x4713,180,8,144,Y_uv_modify,//u_filed_1'
0,0,0x4713,180,8,144,Y_uv_modify,//u'_filed_1
0,0,0x4713,180,8,144,Y_uv_modify,//u'_filed_1'
0,0,0x4713,180,8,144,Y_uv_modify,//v_filed_1
0,0,0x4713,180,8,144,Y_uv_modify,//v_filed_1'
0,0,0x4713,180,8,144,Y_uv_modify,//v'_filed_1
0,0,0x4713,180,8,144,Y_uv_modify,//v'_filed_1' Stop mode
0,0,0x0093,1440,1,288,289,//v'_filed_'
//0,0,0,0,0,0,0,
// 0,0,0x479B,360,4,288,289,
0,0,0,0,0,0,0
} ;
void Init_MDMA(unsigned char * SourceY,
unsigned char * SourceU,
unsigned char * SourceV,
unsigned char * Des)
{
unsigned char * Des_temp;
Descri_VideoOut_S0_M[0] = (short)((unsigned long)SourceY);
Descri_VideoOut_S0_M[1] = (short)((int)SourceY>>16);
Descri_VideoOut_S0_M[7] = (short)((unsigned long)SourceY);
Descri_VideoOut_S0_M[8] = (short)((int)SourceY>>16);
//U
Descri_VideoOut_S0_M[14] = (short)((unsigned long)SourceU);
Descri_VideoOut_S0_M[15] = (short)((int)SourceU>>16);
Descri_VideoOut_S0_M[21] = (short)((unsigned long)SourceU);
Descri_VideoOut_S0_M[22] = (short)((int)SourceU>>16);
Descri_VideoOut_S0_M[28] = (short)((unsigned long)SourceU);
Descri_VideoOut_S0_M[29] = (short)((int)SourceU>>16);
Descri_VideoOut_S0_M[35] = (short)((unsigned long)SourceU);
Descri_VideoOut_S0_M[36] = (short)((int)SourceU>>16);
//V
Descri_VideoOut_S0_M[42] = (short)((unsigned long)SourceV);
Descri_VideoOut_S0_M[43] = (short)((int)SourceV>>16);
Descri_VideoOut_S0_M[49] = (short)((unsigned long)SourceV);
Descri_VideoOut_S0_M[50] = (short)((int)SourceV>>16);
Descri_VideoOut_S0_M[56] = (short)((unsigned long)SourceV);
Descri_VideoOut_S0_M[57] = (short)((int)SourceV>>16);
Descri_VideoOut_S0_M[63] = (short)((unsigned long)SourceV);
Descri_VideoOut_S0_M[64] = (short)((int)SourceV>>16);
Des_temp = Des + 38304;// U_Field_2
Descri_VideoOut_S0_M[70] = (short)((unsigned long)Des_temp);
Descri_VideoOut_S0_M[71] = (short)((int)Des_temp>>16);
Des_temp = Des + 38305;//Y_Field_1
Descri_VideoOut_D0_M[0] = (short)((unsigned long)Des_temp);
Descri_VideoOut_D0_M[1] = (short)((int)Des_temp>>16);
Descri_VideoOut_D0_M[7] = (short)((unsigned long)Des_temp+2);
Descri_VideoOut_D0_M[8] = (short)((int)Des_temp>>16);
// Des_temp = Des + 579169;//Y_Field_2
// Descri_VideoOut_D0_M[14] = (short)Des_temp;
// Descri_VideoOut_D0_M[15] = (short)((int)Des_temp>>16);
// Descri_VideoOut_D0_M[21] = (short)Des_temp+2;
// Descri_VideoOut_D0_M[22] = (short)((int)Des_temp>>16);
//U
Des_temp = Des + 38304;//U_Field_1
Descri_VideoOut_D0_M[14] = (short)((unsigned long)Des_temp);
Descri_VideoOut_D0_M[15] = (short)((int)Des_temp>>16);
//Des_temp = Des + 579168;//U_Field_2
Descri_VideoOut_D0_M[21] = (short)((unsigned long)Des_temp+4);
Descri_VideoOut_D0_M[22] = (short)((int)Des_temp>>16);
Des_temp = Des + 40032;//U'_Field_1 38304+1728
Descri_VideoOut_D0_M[28] = (short)((unsigned long)Des_temp);
Descri_VideoOut_D0_M[29] = (short)((int)Des_temp>>16);
// Des_temp = Des + 580896;//U'_Field_2 579168 + 1728
Descri_VideoOut_D0_M[35] = (short)((unsigned long)Des_temp+4);
Descri_VideoOut_D0_M[36] = (short)((int)Des_temp>>16);
//V
Des_temp = Des + 38306;//V_Field_1
Descri_VideoOut_D0_M[42] = (short)((unsigned long)Des_temp);
Descri_VideoOut_D0_M[43] = (short)((int)Des_temp>>16);
// Des_temp = Des + 579170;//V_Field_2
Descri_VideoOut_D0_M[49] = (short)((unsigned long)Des_temp+4);
Descri_VideoOut_D0_M[50] = (short)((int)Des_temp>>16);
Des_temp = Des + 40034;//V'_Field_1 38306+1728
Descri_VideoOut_D0_M[56] = (short)((unsigned long)Des_temp);
Descri_VideoOut_D0_M[57] = (short)((int)Des_temp>>16);
// Des_temp = Des + 580898;//V'_Field_2 579170 + 1728
Descri_VideoOut_D0_M[63] = (short)((unsigned long)Des_temp+4);
Descri_VideoOut_D0_M[64] = (short)((int)Des_temp>>16);
Des_temp = Des + 579168;// U_Field_2
Descri_VideoOut_D0_M[70] = (short)((unsigned long)Des_temp);
Descri_VideoOut_D0_M[71] = (short)((int)Des_temp>>16);
}
/*******************************************************************/
#define NUM_OF_VOUT_FRAMES 1
#define PAL
#ifdef PAL
#define VIDEO_X_COUNT (4+280+4+1440)
#define VIDEO_Y_COUNT (625)
#else
#define VIDEO_X_COUNT (4+268+4+1440)
#define VIDEO_Y_COUNT (525)
#endif
//------------------------------------------------------------------------------
// Function Declarations
//------------------------------------------------------------------------------
unsigned int OutputLine(volatile unsigned int *p, unsigned int line);
volatile unsigned int *pSOURCE;
//------------------------------------------------------------------------------
// Procedure: Init_VideoOutFrameBuff
// Inputs: none
// Outputs: none
// Description:
//------------------------------------------------------------------------------
void Init_VideoOutFrameBuff(unsigned char * SDRAM_START_ADDR1)
{
unsigned int l1, l2;
volatile unsigned int *p;
p = (volatile unsigned int *)SDRAM_START_ADDR1;
for (l1 = 0; l1 < NUM_OF_VOUT_FRAMES; l1++)
{
for (l2 = 0; l2 < VIDEO_Y_COUNT; l2++)
{
p = (volatile unsigned int *)OutputLine(p, l2 + 1);
}
}
}
//------------------------------------------------------------------------------
// Procedure: OutputLine
// Inputs: *p, line
// Outputs: none
// Description:
//------------------------------------------------------------------------------
unsigned int OutputLine(volatile unsigned int *p, unsigned int line)
{
int i;
static bool V = 1, F = 1;
unsigned int code;
#ifdef PAL
// V-digital field blanking (PAL).
if (line == 624) V = 1; // Start / Field 1
if (line == 23) V = 0; // Finish / Field 1
if (line == 311) V = 1; // Start / Field 2
if (line == 336) V = 0; // Finish / Field 2
// F-digital field identification (PAL).
if (line == 1)
F = 0; // Field 1
if (line == 313)
F = 1; // Field 2
#else
// V-digital field blanking (PAL).
if (line == 1) V = 1; // Start / Field 1
if (line == 20) V = 0; // Finish / Field 1
if (line == 264) V = 1; // Start / Field 2
if (line == 283) V = 0; // Finish / Field 2
// F-digital field identification (PAL).
if (line == 4)
F = 0; // Field 1
if (line == 266)
F = 1; // Field 2
#endif
// End Active Video (EAV)
if (V & F)
*p++ = 0xF10000FF;
if (!V & F)
*p++ = 0xDA0000FF;
if (V & !F)
*p++ = 0xB60000FF;
if (!V & !F)
*p++ = 0x9D0000FF;
#ifdef PAL
// HANK ??
for (i = 0; i < (280/4); i++)
*p++ = 0x10801080;
#else
// HANK ??
for (i = 0; i < (268/4); i++)
*p++ = 0x10801080;
#endif
// Start Active Video (SAV)
if (V & F)
*p++ = 0xEC0000FF;
if (!V & F)
*p++ = 0xC70000FF;
if (V & !F)
*p++ = 0xAB0000FF;
if (!V & !F)
*p++ = 0x800000FF;
// Active Video
for (i = 0; i < (1440/4); i++)
*p++ = 0x10801080;
return (unsigned int)p;
}
/*******************************************************************/
void GlobVarInit()
{
MemDmaRun = IDLE;
DisplayBufferSel = VIDEOBUFFER1;
AllowToDecoder = TRUE;
MemDmaNum= 0;
StartMemDmaNum=0;
DisplayRefrashNum = 0;
}
void Delay(DWORD value)
{
DWORD i;
for(i = 0; i < value; i++)
{
asm("nop;") ;
}
}
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