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/*
* @(#)Xceive_XC4000.cpp
*
* ==========================================================
* Version: 2.1
* Date: 2009.01.20
* ==========================================================
*
* ==========================================================
* History:
*
* Date Author Description
* ----------------------------------------------------------
*
* 2008.07.02 Tom Lin created
* 2008.09.18 Tom Lin improve performance
* 2009.01.20 Tom Lin fix clock stretch issue
* ==========================================================
*
* Copyright 2008 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 "xc4000_control.h"
#include "i2c_driver.h"
#include "xc4000_firmwares.h"
#include "xc4000_channelmaps.h"
#include "xc4000_standards.h"
#include "xc4000_scodes.h"
#include "Xceive_XC4000_Script.h"
extern Demodulator* XC4000Handle;
extern Byte XC4000Chip;
Dword XC4000_open (
IN Demodulator* demodulator,
IN Byte chip
) {
Dword error = Error_NO_ERROR;
XC4000Handle = demodulator;
XC4000Chip = chip;
/** Enable I2C clock dynamic speed */
error = Standard_writeRegister (demodulator, 0, Processor_LINK, 0x83ED, 1);
if (error) goto exit;
/** xc4000 links TV standard to its configuration file */
XC4000_Loading_TVStandards ();
/** xc4000 hardware resets */
error = xc_reset();
if (error) goto exit;
User_delay (demodulator, 100);
/** xc4000 downloads firmware */
error = xc_load_i2c_sequence (XC4000_firmware_SEQUENCE);
if (error) goto exit;
/** xc4000 initiates */
error = xc_load_i2c_sequence (XC4000_INIT_SEQUENCE);
if (error) goto exit;
/** Disable I2C clock dynamic speed */
error = Standard_writeRegister (demodulator, 0, Processor_LINK, 0x83ED, 0);
if (error) goto exit;
exit:
return (error);
}
Dword XC4000_set (
IN Demodulator* demodulator,
IN Byte chip,
IN Word bandwidth,
IN Dword frequency
) {
Dword error = Error_NO_ERROR;
Byte amplitude[4];
amplitude[0] = 0, amplitude[1] = 0x10, amplitude[2] = 0, amplitude[3] = 0x87;
XC4000Handle = demodulator;
XC4000Chip = chip;
/** Enable I2C clock dynamic speed */
error = Standard_writeRegister (demodulator, 0, Processor_LINK, 0x83ED, 1);
if (error) goto exit;
error = Standard_writeRegister (demodulator, 0, Processor_LINK, 0x83E6, 0x28);
if (error) goto exit;
error = Standard_writeRegister (demodulator, 0, Processor_LINK, 0x83E7, 0x07);
if (error) goto exit;
if (bandwidth == 6000)
{
/** Tell f/w the stretched packet */
error = Standard_writeRegister (demodulator, 0, Processor_LINK, 0x83E3, 23);
if (error) goto exit;
/** xc4000 sets TV standard to DVBT-6 */
error = xc_load_i2c_sequence (XC4000_Standard[23].ConfFile);
if (error) goto exit;
}
else if (bandwidth == 7000)
{
/** Tell f/w the stretched packet */
error = Standard_writeRegister (demodulator, 0, Processor_LINK, 0x83E3, 22);
if (error) goto exit;
/** xc4000 sets TV standard to DVBT-7 */
error = xc_load_i2c_sequence(XC4000_Standard[26].ConfFile);
if (error) goto exit;
}
else if (bandwidth == 8000)
{
/** Tell f/w the stretched packet */
error = Standard_writeRegister (demodulator, 0, Processor_LINK, 0x83E3, 22);
if (error) goto exit;
/** xc4000 sets TV standard to DVBT-8 */
error = xc_load_i2c_sequence(XC4000_Standard[24].ConfFile);
if (error) goto exit;
}
else
{
error = Error_INVALID_BW;
goto exit;
}
/** xc4000 enters direct-setting-mode */
error = xc_enter_directsitting_mode ();
if (error) goto exit;
/** xc4000 downloads scode */
error = xc_send_i2c_data (&XC4000_scode_table_4560000[0][0], 13);
if (error) goto exit;
/** xc4000 exits direct-setting-mode */
error = xc_exit_directsitting_mode ();
if (error) goto exit;
/** xc4000 sets RF mode to Air(0) */
error = xc_rf_mode(0);
if (error) goto exit;
/** xc4000 sets dcode */
error = xc_set_dcode (0);
if (error) goto exit;
/** xc4000 sets RF frequency of Hz */
if (bandwidth == 6000)
frequency -= 1750;
else if (bandwidth == 7000)
frequency -= 2250;
else if (bandwidth == 8000)
frequency -= 2750;
else
{
error = Error_INVALID_BW;
goto exit;
}
error = xc_set_RF_frequency (frequency * 1000);
if (error) goto exit;
/** Tell f/w the stretched packet 0x83E3, 0x83E6, 0x83E7 */
error = Standard_writeRegister (demodulator, 0, Processor_LINK, 0x83E3, 1);
if (error) goto exit;
/** Improve Performance by set reg 0x0010 to the value of 0x0087 */
error = Standard_writeTunerRegisters (demodulator, chip, 0x0000, 4, amplitude);
if (error) goto exit;
exit:
/** Disable I2C clock dynamic speed */
error = Standard_writeRegister (demodulator, 0, Processor_LINK, 0x83ED, 0);
return (error);
}
Dword XC4000_close (
IN Demodulator* demodulator,
IN Byte chip
) {
return (Error_NO_ERROR);
}
TunerDescription tuner_XC4000 = {
XC4000_open,
XC4000_close,
XC4000_set,
XC4000_scripts,
XC4000_scriptSets,
XC4000_ADDRESS, /** tuner i2c address */
0, /** length of tuner register address */
4560000, /** tuner if */
True, /** spectrum inverse */
0x2A, /** tuner id */
};
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