dsp_maria.h

主要用于液晶电视解码,内置51单片机,全部代码用C编写,编译环境为KEILC

#ifndef __DSP_MARIA_H_
#define __DSP_MARIA_H_

//#include "typedef.h"
#include "types.h"

#define DSP_FIFO_SIZE   16
extern XDATA BYTE s_ucWriteIdx;
extern XDATA BYTE s_ucReadIdx;
extern XDATA HLdata s_awVPos[DSP_FIFO_SIZE];
extern XDATA HLdata s_awStrbVcunt[DSP_FIFO_SIZE];


#define BK0_00                  0x00
#define REG_BANK_MASK           0x07
#define REG_BANK_SCALER         0x00    // Scaler bank
#define REG_BANK1_ADC_ACE_MCU   0x01    // ADC/DVI receiver bank
#define REG_BANK2_VD            0x02    // Video Decoder Front End

#define BK0_54                  0x54
#define BK0_55                  0x55
#define BK0_57                  0x57
#define BK2_07                  0x07
#define BK2_1E                  0x1E
#define DSP_00                  0x00
#define DSP_0E                  0x0E
#define DSP_0F                  0x0F
#define DSP_10                  0x10
#define DSP_14                  0x14

#ifdef MARIA2
#define REG_BANK3_COMB          0x03    // Video Decoder 2D Comb Filter
#define BK0_F7                  0xF7
#define BK0_FE                  0xFE
//#define BK3_72                  0x72
#define BK3_B8                  0xB8
#endif

#ifdef MARIA3
#define DSP_12                  0x12
//#define REG_BANK6_COMB          0x06    // Video Decoder 2D Comb Filter
//#define BK6_E2                  0xE2
#endif

//*************************************
#define V_Total         0x00
#define StrbVcunt       0x02
  #define ITU_656_F       0x40
#define DeltaVcunt      0x04
#define V_Position      0x06 // Free run counter
#define V_STROBE_LOCAT  0x08
#define LINE_COUNTER    0x0A
#define VPLL_MODE2      0x0C
#define REG_DSP_EN      0x10
#define REG_DSP_EN2     0x12
#define SPL_LENG        0x16
#define ADC_OVERATIO    0x18
#define StatusCOMB      0x1C
#define CVBS_MAX_L      0x1E              //Max CVBS signal
#define SelNTSC         0x01
#define SelPAL          0x02
#define NTSC_PAL        0x03    // 01 = NTSC, 10 = PAL. 00 = No Burst.
#define Sel625          0x04    // 0 = 525, 1 = 625
#define SelFSC          0x08    // 0 = 3.5x, 1 = 4.43
#define SelInter        0x10    // 0 = progressive, 1 = interlaced.
#define StatusDSP       0x22
    #define SYNC_FOUND      0x40
#define BOT_FOLWR       0xBC
//#define BKPRH_LVL       0x26
#define BOT_HSYNC       0x28
#define NOISE_MAG       0x2A
#define ADCTOP_FOLWER   0x2C
#define ACC_C_PEAK      0x2E
#define BRST_PHS        0x32
#define BRST_MAG        0x34
#define BRST_ACC_MAG    0x36
#define HSYNC_WIDTH     0x3A
#define SPL_NSPL        0x3C
#define HSYNC_EDGE      0x3B
#define SPL_PD_reg      0x3E
#define BKPRH_LVL       0x40 // Latch value
#define SCM_MAG         0x42
#define SCM_LT          0x04
#define SCM_MValid      0x08
#define FSC_TST_MAG_010 0x48
#define FSC_TST_MAG_101 0x4A
#define HCNT_SNAP_A     0x4C
#define HCNT_SNAP_B     0x4E
#define APL_FREQ_IDEAL  0x52
#define APL_FREQ_ERR    0x54
#define DPL_PD          0x56
#define BOT_AVIDEO      0x58
#define CSH_LOW_RATIO   0x5A
#define SAMPLE_CUNT     0x60
#define	DSP_IQ_STATUS	0x69
	#define	DSP_OVFL			0x20
	#define	DSP_DEC_VALID		0x40
	#define	DSP_PKDET_RDY		0x80
#define	DSP_UV_ACC_OUT	0x6A
#define	DSP_I_DEC		0x6C
#define	DSP_Q_DEC		0x6E
#define	DSP_DF			0x7C
#define	DSP_DF_VALID	0x7E
#define AGC_FINE_PRE    0x80
#define DSP_AGC_DONE    0x82
#define DSP_MISC        0x84
  #define VCR_FOUND           0x01
  #define EDGES_NOISY         0x02
  #define MACROVISION_FOUND   0x04
  #define SCMID_RESULT        0x18
  #define SCM_DSP_SIGN        0x40
#define DSP_656_F_TGL_1 0x86
#define DSP_656_F_TGL_2 0x88
#define DSP_FREEZ_656_F 0x8A
#define DSP_656_V_SET_1 0x8C
#define DSP_656_V_SET_2 0x8E
#define DSP_656_V_CLR_1 0x90
#define DSP_656_V_CLR_2 0x92
#define DSP_VSYNC_EVEN  0x94
#define DSP_VSYNC_ODD   0x96
#define DSP_CLAMP_DSM   0x98
#define DSP_CLAMP_DSM_C 0x9A
#define DSP_PAR_FSC_SEL 0x9C
	#define	FSC443				0x00
	#define	FSC4285				0x01
	#define	FSC35795			0x02
	#define	FSC35756			0x04
	#define	FSC35820			0x06
#define FSC_TST_RESULT  0x9E
#define DSP_APL_K2      0xA0
#define DSP_APL_K1      0xA1
#define DSP_CTRL_STATE  0xA2
#define DSP_BLANK_LVL   0xA4
#define DSP_BLACK_LVL   0xA6
#define DSP_NTSC_PAL    0xA8
#define PAL_SWITCH_SIGN     0x04
#define DSP_SLICE_LVL   0xAA
#define DSP_SLICE_LVL2  0xAC
#define ACC_GAIN        0xAE
#define DSP_BRST_END    0xB8
#define DSP_BKPRH_END   0xB9
#define DPL_PD_MAX_VCR  0xBE
#define OP1_H           0xE0
#define OP1_L           0xE1
#define OP2_H           0xE2
#define OP2_L           0xE3
#define CmdALU          0xE4
#define CmdClear        0x00
#define CmdRightShift   0x10
#define CmdLeftShift    0x20
#define CmdMultiply     0x40
#define EnInt           0xFA
#define IntFlag         0xFC    // bit0 : AGC_START : Horizontal data ready
//    1 : LINE_START
//    2 : V_STROBE : VSYNC leading edge
//    3 : VSYNC trailing edge
//    4 : DSP_V : V count overflow.
#define StatusVD        0xFE
//************************************* Global constants definition.
#define cChgVCR         0x01        // 1 = VCR mode changed.
#define cChgNoise       0x02        // 1 = noise magnitude changed.
#define cChgMV          0x04        // 1 = Macrovision mode changed.
#define cChgSTD         0x08        // 1 = TV standard changed.
#define cChgSyncLoss    0x20        // 1 = input signal level changed.
#define cChgLineSTD     0x40        // 1 = input lines changed.
#define cChgBurst       0x80        // 1 = Burst Lock status changed.
#define TASK_VCR_NR_MV  0
#define TASK_AGC        1
#define TASK_ACC        2
#define TASK_FSC_DETECT 3
#define TASK_STD_DETECT 4
#define TASK_FSC_SHIFT  5

//************************************* DSP.C
void InitDSP();
void DSP();
int Abs(int v);
//************************************* VSYNC.C
void initVSYNC(WORD wDefaultVTotal);
void SyncLossVSYNC();
void TaskVSYNC();
//*********************************************************
// variables definition :
//*********************************************************
//************************************* DSP.C
//extern bit bVCR_Det;        // 1 = VCR mode detected.
//extern bit bSyncLoss;
//extern bit bDetLevelOK;
//extern bit bMV_Det;

//************************************* VSYNC.C
extern WORD xdata g_wVtotalLatch;

#endif