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/**
* @(#)Philips_TDA18271.cpp
*
* ==========================================================
* Version: 2.0
* Date: 2008.07.02
* ==========================================================
*
* ==========================================================
* History:
*
* Date Author Description
* ----------------------------------------------------------
*
* 2008.07.02 Tom Lin added tuner version
* ==========================================================
*
* Copyright 2007 Afatech, Inc. All rights reserved.
*
*/
//#include <stdio.h> //for Linux
#include "type.h"
#include "error.h"
#include "user.h"
#include "register.h"
#include "standard.h"
#include "TDA18271Local.h"
#include "TDA18271.h"
#include "Philips_TDA18271_Script.h"
extern tmTDA18271Object_t gTDA18271Instance[];
Dword Standard_computeFcw (
IN Demodulator* demodulator,
IN Long adcFrequency, /** ADC frequency (Hz) */
IN Long ifFrequency, /** IF frequency (Hz) */
IN Bool inversion, /** RF spectrum inversion */
OUT Dword* fcw
);
Dword TDA18271_open (
IN Demodulator* demodulator,
IN Byte chip
) {
return (Error_NO_ERROR);
}
Dword TDA18271_close (
IN Demodulator* demodulator,
IN Byte chip
) {
return (Error_NO_ERROR);
}
Dword TDA18271_set (
IN Demodulator* demodulator,
IN Byte chip,
IN Word bandwidth,
IN Dword frequency
) {
Dword error = Error_NO_ERROR;
tmbslTuParam_t param;
Byte fc = 1;
Long IfFreq;
Dword fcw;
Byte buffer[3];
Ganymede* ganymede;
ganymede = (Ganymede*) demodulator;
gTDA18271Instance[0].AFAInfo.demodulator = demodulator;
gTDA18271Instance[0].AFAInfo.chip = chip;
param.systemFunc.SY_Read = SY_Read;
param.systemFunc.SY_Write = SY_Write;
param.uHwAddress = 0xC0ul;
switch(bandwidth)
{
case 6000:
IfFreq = 3300000;
fc = tmDigital_TV_ATSC_6MHz;
break;
case 7000:
IfFreq = 3800000;
fc = tmDigital_TV_DVBT_7MHz;
break;
case 8000:
IfFreq = 4300000;
fc = tmDigital_TV_DVBT_8MHz;
break;
default:
error = Error_INVALID_BW;
goto exit;
}
error = Standard_computeFcw (demodulator, (Long) ganymede->adcFrequency, IfFreq, ganymede->tunerDescription->inversion, &fcw);
if (error) goto exit;
ganymede->fcw = fcw;
buffer[0] = (Byte) (fcw & 0x000000FF);
buffer[1] = (Byte) ((fcw & 0x0000FF00) >> 8);
buffer[2] = (Byte) ((fcw & 0x007F0000) >> 16);
error = Standard_writeRegisters (demodulator, chip, Processor_OFDM, bfs_fcw_7_0, bfs_fcw_22_16 - bfs_fcw_7_0 + 1, buffer);
if (error) goto exit;
error = tmbslTDA18271Init(0, param);
if (error) goto exit;
error = tmbslTDA18271SetConfig(0, STANDARDMODE, fc);
if (error) goto exit;
error = tmbslTDA18271SetRf(0, frequency * 1000);
exit:
return (error);
}
TunerDescription tuner_TDA18271 = {
TDA18271_open,
TDA18271_close,
TDA18271_set,
TDA18271_scripts,
TDA18271_scriptSets,
TDA18271_ADDRESS, /** tuner i2c address */
1, /** length of tuner register address */
0, /** tuner if */
(Bool)True, /** spectrum inverse */
0x1B, /** tuner id */
};
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