📄 video_test.c
字号:
#include "davincievm_i2c.h"
//#define TVP5146_I2C_ADDR 0x5d
#define TVP5146_I2C_ADDR 0x5c
//#define TVP5146_I2C_ADDR 0xB8
//#define TVP5146_I2C_ADDR 0xBA
//#define TVP5146_I2C_RADDR 0xBB
Uint16 temp;
Uint32 temp1,temp2[5];
/* ------------------------------------------------------------------------ *
* *
* tvp5146_rset *
* *
* Set codec register regnum to value regval *
* *
* ------------------------------------------------------------------------ */
void tvp5146_rset( Uint8 regnum, Uint8 regval )
{
Uint8 cmd[2];
cmd[0] = regnum; // 8-bit Register Address
cmd[1] = regval; // 8-bit Register Data
temp=DAVINCIEVM_I2C_write( TVP5146_I2C_ADDR, cmd, 2);
//cmd[0]=cmd[1];
//temp=DAVINCIEVM_I2C_write( TVP5146_I2C_ADDR, cmd, 1 );
//DAVINCIEVM_I2C_write( TVP5146_I2C_ADDR, cmd, 1 );
}
/* ------------------------------------------------------------------------ *
* *
* tvp5146_rget *
* *
* Return value of codec register regnum *
* *
* ------------------------------------------------------------------------ */
Uint8 tvp5146_rget( Uint8 regnum )
{
Uint8 cmd[2];
//Int16 i;
cmd[0] = regnum; // 8-bit Register Address
cmd[1] = 0; // 8-bit Register Data
DAVINCIEVM_I2C_write ( TVP5146_I2C_ADDR, cmd, 1 );
DAVINCIEVM_I2C_read ( TVP5146_I2C_ADDR, cmd, 1 );
return cmd[0];
}
/* ------------------------------------------------------------------------ *
* *
* tvp5146_init( ) *
* *
* Initialize the TVP5146 *
* *
* ------------------------------------------------------------------------ */
void tvp5146_init( )
{
//DAVINCIEVM_waitusec( 1000 ); // wait 1 msec
//DAVINCIEVM_waitusec( 1000 ); // wait 1 msec
// tvp5146_rset( 0x05, 0x01 );
// tvp5146_rset( 0x05, 0x00 );
DAVINCIEVM_waitusec( 1000 );
tvp5146_rset( 0x00, 0x00 ); // Input Video: CVBS : VI_2_B
// tvp5146_rset( 0x01, 0x15 );
//tvp5146_rset( 0x02, 0x00 );
tvp5146_rset( 0x03, 0x2d);
//tvp5146_rset( 0x03, 0x6d ); // NTSC
//tvp5146_rset( 0x04, 0x00);
//tvp5146_rset( 0x05, 0x00 );
//tvp5146_rset( 0x06, 0x10 );
//tvp5146_rset( 0x07, 0x20 );
//tvp5146_rset( 0x08, 0x00 );
tvp5146_rset( 0x09, 0x8B);
tvp5146_rset( 0x0a, 0x80 );
tvp5146_rset( 0x0b, 0x00 );
//tvp5146_rset( 0x0c, 0x80 );
tvp5146_rset( 0x0D, 0x07 ); // Enabling clock & Y/CB/CR input format
//tvp5146_rset( 0x0e, 0x00 );
tvp5146_rset( 0x0F, 0x02 );
//tvp5146_rset( 0x11, 0x00 );
//tvp5146_rset( 0x12, 0x00 );
//tvp5146_rset( 0x13, 0x00 );
//tvp5146_rset( 0x14, 0x00 );
tvp5146_rset( 0x15, 0x05 );
//tvp5146_rset( 0x16, 0x80 );
//tvp5146_rset( 0x18, 0x00 );
//tvp5146_rset( 0x19, 0x00 );
//tvp5146_rset( 0x1a, 0x0c );
tvp5146_rset( 0x1B, 0x14 );
//tvp5146_rset( 0x1c, 0x00 );
//tvp5146_rset( 0x1d, 0x00 );
// tvp5146_rset( 0x1e, 0x00 );
// tvp5146_rset( 0x28, 0x00 );
// temp = tvp5146_rget(0x01);
DAVINCIEVM_waitusec( 1000 ); // wait 1 msec
}
#define NTSC 1
#if NTSC
#define BASEP_X 0x7A // 122
#define BASEP_Y 0x12 // 18
#elif PAL
#define BASEP_X 0x84 // 132
#define BASEP_Y 0x16 // 22
#endif
/* ------------------------------------------------------------------------ *
* *
* vpfe_init( ) *
* *
* NTSC: *
* Width: 720 *
* Height: 480 *
* *
* *
* ------------------------------------------------------------------------ */
void vpfe_init( Uint32 buffer, Uint32 width, Uint32 height )
{
VPFE_SYN_MODE = 0x00032F84; // interlaced, with VD pority as negative
VPFE_HD_VD_WID = 0;
VPFE_PIX_LINES = 0x02CF0271;
//VPFE_PIX_LINES=0x020d0271;;
/*
* sph = 1, nph = 1440, according to page 32-33 of the CCDC spec
* for BT.656 mode, this setting captures only the 720x480 of the
* active NTSV video window
*/
VPFE_HORZ_INFO = width << 1; // Horizontal lines
VPFE_HSIZE_OFF = width << 1; // Horizontal line offset
VPFE_VERT_START = 0; // Vertical start line
VPFE_VERT_LINES = height >> 1; // Vertical lines
VPFE_CULLING = 0xFFFF00FF; // Disable cullng
/*
* Interleave the two fields
*/
VPFE_SDOFST = 0x00000249;
VPFE_SDR_ADDR = buffer;
VPFE_CLAMP = 0;
VPFE_DCSUB = 0;
VPFE_COLPTN = 0xEE44EE44;
VPFE_BLKCMP = 0;
VPFE_FPC_ADDR = 0x86800000;
VPFE_FPC = 0;
VPFE_VDINT = 0;
VPFE_ALAW = 0;
VPFE_REC656IF = 0x00000003;
/*
* Input format is Cb:Y:Cr:Y, w/ Y in odd-pixel position
*/
// VPFE_CCDCFG = 0x00000800;
VPFE_CCDCFG = 0x00000800;
VPFE_FMTCFG = 0;
//VPFE_CCDCFG = 0x00008800;
// VPFE_FMTCFG = 0x00008000;
VPFE_FMT_HORZ = 0x000002D0;
VPFE_FMT_VERT = 0x00000272;
VPFE_FMT_ADDR0 = 0;
VPFE_FMT_ADDR1 = 0;
VPFE_FMT_ADDR2 = 0;
VPFE_FMT_ADDR3 = 0;
VPFE_FMT_ADDR4 = 0;
VPFE_FMT_ADDR5 = 0;
VPFE_FMT_ADDR6 = 0;
VPFE_FMT_ADDR7 = 0;
VPFE_PRGEVEN_0 = 0;
VPFE_PRGEVEN_1 = 0;
VPFE_PRGODD_0 = 0;
VPFE_PRGODD_1 = 0;
VPFE_VP_OUT = 0x04e22D00;
VPFE_PCR = 0x00000001; // Enable CCDC
}
/* ------------------------------------------------------------------------ *
* *
* vpbe_init( ) *
* *
* NTSC: *
* Width: 720 *
* Height: 480 *
* *
* *
* ------------------------------------------------------------------------ */
void vpbe_init( Uint32 buffer, Uint32 width, Uint32 height, Uint32 cb_enable )
{
/*
* Setup VPBE
*/
VPSS_CLK_CTRL = 0x00000018; // Enable DAC and VENC clock, both at 27 MHz
VPBE_PCR = 0; // No clock div, clock enable
/*
* Setup OSD
*/
OSD_MODE = 0x0000007f; // Blackground color blue using clut in ROM0
OSD_OSDWIN0MD = 0; // Disable both osd windows and cursor window
OSD_OSDWIN1MD = 0;
OSD_RECTCUR = 0;
OSD_VIDWIN0OFST = width >> 4;
OSD_VIDWIN0ADR = buffer;
OSD_BASEPX = BASEP_X;
OSD_BASEPY = BASEP_Y;
OSD_VIDWIN0XP = 0;
OSD_VIDWIN0YP = 0;
OSD_VIDWIN0XL = width;
OSD_VIDWIN0YL = height >> 1;
OSD_MISCCTL = 0;
OSD_VIDWINMD = 0x00000003; // Disable vwindow 1 and enable vwindow 0
// Frame mode with no up-scaling
/*
* Setup VENC
*/
VENC_VMOD = 0x00000043; // Standard NTSC interlaced output
VENC_VDPRO = cb_enable << 8;
VENC_DACTST = 0;
VENC_DACSEL = 0x000213;
//VENC_DACSEL = 0x000012;
}
/* ------------------------------------------------------------------------ *
* *
* video_loopback_test( ) *
* *
* *
* *
* ------------------------------------------------------------------------ */
Int16 video_loopback_test( )
{
Uint32 i;
tvp5146_init( );
vpfe_init( 0x81000000, 720, 576 ); // Setup Front-End
vpbe_init( 0x81000000, 720, 576, 0); // Setup Back-End
for(;;)
{
for(i =0; i< 720*144; i++)
{
temp2[0] = *((Uint32*)0x81000000+i*2)&0xff000000;
temp2[1] = (*((Uint32*)0x81000000+i*2)<<8)&0x00ff0000;
temp2[2] = (*((Uint32*)0x81000004+i*2)>>16)&0x0000ff00;
temp2[3] = (*((Uint32*)0x81000004+i*2)>>8)&0x000000ff;
temp2[4] = temp2[0] | temp2[1] | temp2[2] | temp2[3];
*((Uint32*)0x82000000+i) = temp2[4];
}
//U
for(i =0; i< 720*72; i++)
{
temp2[0] = (*((Uint32*)0x81000000+i*4)<<24)&0xff000000;
temp2[1] = (*((Uint32*)0x81000004+i*4)<<16)&0x00ff0000;
temp2[2] = (*((Uint32*)0x81000008+i*4)<<8)&0x0000ff00;
temp2[3] = (*((Uint32*)0x8100000C+i*4))&0x000000ff;
temp2[4] = temp2[0] | temp2[1] | temp2[2] | temp2[3];
*((Uint32*)0x82065400+i) = temp2[4];
}
//V
for(i =0; i< 720*72; i++)
{
temp2[0] = (*((Uint32*)0x81000000+i*4)<<8)&0xff000000;
temp2[1] = (*(Uint32*)0x81000004+i*4)&0x00ff0000;
temp2[2] = (*((Uint32*)0x81000008+i*4)>>8)&0x0000ff00;
temp2[3] = (*((Uint32*)0x8100000C+i*4)>>16)&0x000000ff;
temp2[4] = temp2[0] | temp2[1] | temp2[2] | temp2[3];
*((Uint32*)0x82097e00+i) = temp2[4];
}
}
return 0;
}
⌨️ 快捷键说明
复制代码
Ctrl + C
搜索代码
Ctrl + F
全屏模式
F11
切换主题
Ctrl + Shift + D
显示快捷键
?
增大字号
Ctrl + =
减小字号
Ctrl + -