ver8f0.c

三星数字高频头的驱动源代码

/*

 version1.8-> 2.5
 new function ( Copy please )
 int CheckInversion()    : Checking I/Q Inverse or Not
  void Acquisition(float _Freq1, U32 _SymbolRate,
  S32 _QAMSize, FLAG _SpectrumInversion)
 : Simple Final Command include AutoSpectral Inversion
 void Check_Version()  : Checking I2C Read or IC version.
 modify program ( replace oldversion of newversion )
FLAG ROUTINE Driv0297CarrierSearch(SIGNAL  *_pSignal, FLAG _SpectrumInversion,
					S32 _SweepRate, S32 _CarrierOffset)
FLAG ROUTINE Driv0297DataSearch(SIGNAL *_pSignal, S32 _SweepRate, S32 _CarrierOffset,
				FLAG _SpectrumInversion, S32 _InitDemodOffset)

 read version
 read noise level
VERSION 2.5-> 3.0
abstract : Fast Acquisition.
 Adding Function : QAM_Init()
                 : Check_Lock()
delete function RegSetRegister()
                RegGetRegister()
		  RegTriggerOn(void)
		  RegTriggerOff(void)
		  RegGetTrigger(void)
		  RegSetTrigger(FLAG _Trigger)
 VERSION 3.0->3.2
 BER function insert   without R/S
double BlocksBertBER                   ;
double BlocksBERTSaturation            ;
void BertSaturationComputation(double _BERIndicator);
double BertCount(int _ErrMode)          ;
 function void SetSerialParallel(int _OutMode); : 1 parallel, 0 serial
 QAM128,QAM16 fast acquisition(), Driv0297CarrierSearch() are modified.
 delete NTSC PAL select.
 delete function QAM256_Init()
version 3.2->  3.4
Acquisition();
RegSetOneRegister(WBAGC_11,0xFE) ;
RegSetOneRegister(WBAGC_11,0xFF) ;
revision 256QAM -> SR 6.5Msps
Driv0297CarrierSearch(&MySignal,_SpectrumInversion,1000,-100);
->Driv0297CarrierSearch(&MySignal,_SpectrumInversion,1200,-200);

version 3.4-> 3.5
Write & Read  function adding.
Acquisition function change parameter for low symbol rate.
The customer which has used version3.4 recopy the Acquisition() function.
version 3.6
Adding Display function
void Show_Brief();
void Dump(float _Freq1, U32 _SymbolRate, S32 _QAMSize, FLAG _SpectrumInversion);
void Menu();
void Procedure();
adding Checking lock();
version 3.7b
kill flow Equalizer part Driv0297DataSearch-> see ver 3.7b
change parameter acquisition part
version 3.7c
This probram is copy of My desktop computer c:temp\autotestver3p7
it's only copy of Acquisition function

version 3.8
editing for 32QAM Low symbol 1Msps
	    256QAM Low symbol 1Msps
QAM64_REG CHANGE
adding auto define to fast acquisition.
version 4.0
Find bug QAM256 Lowsymbolrate case...
version 4.1
To get the faster acquisition.
Modify Time access velocity
to search type ver4p1
*/

#include "scr8f0.h"
#include <stdio.h>
#include <dos.h>
#include <conio.h>
#define Mybug		1
#define NTSC		0 /* If PAL : 0 */
/* S32 I2cTempoValue = 50; */
void I2cTempo(void)
{
	U32 i;

	for ( i=0 ; i<I2cTempoValue ;i++ );
}

void I2cSetSDA(S32 level)
{
	outportb(prnDataAddress,(level==0) ? SDALOW : SDAHIGH);
}
U8 I2cGetSDA(void)
{
	return (inportb(prnStatusAddress) & SDALOW)==0 ? 0 : 1;
}
void I2cSetSCL(S32 level)
{
	outportb(prnControlAddress,level==0 ? SCLLOW : SCLHIGH);
	I2cTempo();
}
U8 I2cGetSCL(void)
{
	return (inportb(prnStatusAddress) & SCLHIGH)==0 ? 0 : 1;
}
void I2cSetAck(S32 level)
{
	if(level)
		I2cSetSDA(HIGH);
	else
		I2cSetSDA(LOW);

	I2cSetSCL(HIGH);
	I2cSetSCL(LOW);
}
U8 I2cGetAck()
{
	S32 val;

	I2cSetSCL(HIGH);
	val = !(ACK & I2cGetSDA());
	I2cSetSCL(LOW);

	return val;
}
void I2cWriteBit(S32 level)
{
	I2cSetSDA(level);
	I2cSetSCL(HIGH);
	I2cSetSCL(LOW);
}
U8 I2cReadBit(void)
{
	U8 bit;

	I2cSetSCL(HIGH);
	bit=I2cGetSDA();
	I2cSetSCL(LOW);

	return bit;
}
void I2cStart (void)
{
	I2cSetSDA(HIGH);
	I2cSetSCL(HIGH);
	I2cSetSDA(LOW);
	I2cSetSCL(LOW);
}
void I2cStop (void)
{
	I2cSetSDA(LOW);
	I2cSetSCL(HIGH);
	I2cSetSDA(HIGH);
}

/*
FUNCTION	::	I2cGetStatus
ACTION	::	Get the status of the I2C bus
PARAMS IN	::	NONE
PARAMS OUT::	NONE
RETURN	::	ACK SCL SDA =b111=0x7
*/
S32 I2cGetStatus(void)
{
	if(I2cGetSDA())
		I2cStatus |= SDA;
	else
		I2cStatus &= ~SDA;

	if(I2cGetSCL())
		I2cStatus |= SCL;
	else
		I2cStatus &= ~SCL;

	return(I2cStatus) ;
}
void I2cSetStatus(S32 _Status)
{
	I2cStatus = _Status ;
}
void I2cInit(S32 tempo)
{
	I2cPPortAddress     =   0x378 ;
	prnDataAddress  	= 	0x378;
	prnStatusAddress 	=	I2cPPortAddress  + 1     ;
	prnControlAddress	= 	I2cPPortAddress  +2      ;
	I2cSTVAddress       =   0x38   ;
	I2cStatus   = 0x07  ;
	NbI2CAccess = 0     ;
	I2cTempoValue = tempo;
}
/*
FUNCTION	::	I2cWriteByte
ACTION	::	Send a byte to the slave
PARAMS IN	::	data	->	the byte to be send
PARAMS OUT::	NONE
RETURN	::	NONE
*/
void I2cWriteByte(U8 data )
{
	U8 i;

	/*  Write 8 bits Data  */

	for (i=0 ;i<8 ;i++)
		I2cWriteBit((data<<i) & 0x80);
}

/*
FUNCTION	::	I2cReadByte
ACTION	::	Read a byte from the slave
PARAMS IN	::	NONE
PARAMS OUT::	NONE
RETURN	::	if error -1 else byte read
*/
U8 I2cReadByte(void)
{
	S8 i, valRet=0;

	/*  Read 8 bits data */
	I2cSetSDA(HIGH);	/*SDA must be set HIGH, because the slave just pull down the line*/

	for(i=7 ;i>=0 ;i--)
		valRet = valRet | (I2cReadBit()<<i);


	return valRet;
}
/*
FUNCTION	::	I2cWriteNBytes
ACTION	::	Send N bytes to the slave
PARAMS IN	::	NbBytes	->	Number of byte to send
				data	->	bytes to be send
PARAMS OUT::	NONE
RETURN	::	NONE
*/
void I2cWriteNBytes(S32 NbBytes, U8 *data)
{
	U8 b,B;

	/*  Write N bits Data  */

	for (B=0; B<NbBytes; B++)
		for (b=0; b<8; b++)
			I2cWriteBit((data[B]<<b) & 0x80);
}
/*
FUNCTION	::	I2cReadNBytes
ACTION	::	Read N bytes from the slave
PARAMS IN	::	NbBytes	-> Number of bytes to read
PARAMS OUT::	NONE
RETURN	::	NONE
*/
void I2cReadNBytes(S32 NbBytes, U8 *data)
{
	U8 b,B;

	/*  Read 8 bits data */

	I2cSetSDA(HIGH);	/*SDA must be set HIGH, because the slave just pull down the line */

	for (B=0; B<NbBytes; B++)
		for (b=0; b<8; b++)
			data[B] = data[B] | (I2cReadBit()<<b);
}

/*
FUNCTION	::	I2cReadWrite
ACTION	::	Read/write data from/to the slave
PARAMS IN	::	mode	->	READ or WRITE
				ChipAddress	->	I2C address of the chip
				Data	->	Buffer containing data to send
				NbData	->	Number of data to write/read
PARAMS OUT::	Data	->	Buffer containing data received
RETURN	::	if error -1 else communication state
*/
S32 I2cReadWrite(S32 mode,U8 ChipAddress,U8 *Data,S32 NbData)
{
	S8 i=0,ack;

	I2cStart();				/*Start the I2C sequence*/
	I2cWriteByte(ChipAddress+(mode==READ));	/*Send Slave chip address*/
	ack=I2cGetAck(); 			/*Read Acknowledge bit*/

	while((i<NbData) && ack)
	{
		if(mode==READ)
		{
			Data[i]=I2cReadByte();			/*Read data from the slave*/
			I2cSetAck(i==(NbData-1));		/*Write Acknowledge bit*/
		}
		else
		{
			I2cWriteByte(Data[i]);			/*Write data to the salve */
			ack=I2cGetAck();				/*Read Acknowledge bit*/
		}
		i++;
	}

	if(!ack)
	{
		if(mode==READ)
			for(i=0;i<NbData;i++)
				Data[i]=-1;
				
		return (-1);
	}

	I2cStop();								/*Stop the I2C sequence*/

	return 0;
}
/*#include "reg0297.h"
 ***AddReg  ************************************************************/
/*	Add a new register to the register map									 */
void AddReg(S32 Id,S8 * Name,S8 Address,S8 Reset)
{
	REGISTER *pReg;

	pReg=&RegMap[Id];

	pReg->Addr	= Address;
	pReg->Reset	= Reset;
	pReg->Value	= 0x00;
	strcpy(pReg->Name,Name);
}

/******** FieldCreateMask ****************************************************/
/*	Create the mask of the field according the informations store in the  	 */
/*	FIELD structure					*/
/*****************************************************************************/
U8 FieldCreateMask(S32 field)
{
	S32 i;
	U8 mask=0;

	/*Create mask*/
	for (i = 0; i < FieldMap[field].Bits; i++)
	{
		mask <<= 1 ;
		mask +=  1 ;
	}

	mask = mask << FieldMap[field].Pos;

	return mask;
}

/******** AddField  **********************************************************/
/*	Add a field to the field map											 */
/*****************************************************************************/
void AddField(S32 RegId, S32 FieldId,S8 * Name, S8 Pos, S8 NbBits, S8 Type)
{
	FIELD *pField;

	pField=&FieldMap[FieldId];

	strcpy(pField->Name,Name);
	pField->Reg=	RegId;
	pField->Pos=	Pos;
	pField->Bits=	NbBits;
	pField->Type=	Type;
	pField->Mask=	FieldCreateMask(FieldId);
}

/******** RegSetOneRegister **************************************************/
/*	Set Register value						*/
/*	INPUT :  data, register id					 */
/*****************************************************************************/
void RegSetOneRegister(S32 reg_id, U8 Data)
{
	U8 data[2],UCtmp=-1,ChipAddress;

	ChipAddress=0x38;

	data[0]=RegMap[reg_id].Addr;
	data[1]=Data;
		UCtmp=I2cReadWrite(WRITE,ChipAddress,data,2);
		RegNbI2cAccess += 1;
	RegMap[reg_id].Value=Data;

	return ;
}

/******** RegGetOneRegister **************************************************/
/*	Get Register value						*/