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/**
* @(#)Afa_E4000.cpp
*
* ==========================================================
* Version: 2.0
* Date: 2008.07.02
* ==========================================================
*
* ==========================================================
* History:
*
* Date Author Description
* ----------------------------------------------------------
*
* 2008.07.02 Tom Lin added tuner version
* ==========================================================
*
* Copyright 2005 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 "e4000.h"
#include "Elonics_E4000.h"
#include "Elonics_E4000_Script.h"
Demodulator* E4000_demodulator;
Byte E4000_chip;
Word E4000_bandwidth;
Dword E4000_frequency;
Dword Ref_clk=26000; //Tuner reference clock frequency (kHz)
Dword E4000_open (
IN Demodulator* demodulator,
IN Byte chip
) {
E4000_demodulator = demodulator;
E4000_chip = chip;
E4000_tunerreset ();
E4000_Tunerclock();
// E4000_filtercal();
E4000_Qpeak();
E4000_DCoffloop();
//E4000_commonmode();
E4000_GainControlinit();
return (Error_NO_ERROR);
}
Dword E4000_close (
IN Demodulator* demodulator,
IN Byte chip
)
{
E4000_demodulator = demodulator;
E4000_chip = chip;
Dword error = 0;
Byte buffer[1];
buffer[0] = 0x00;
error = Standard_writeTunerRegisters (E4000_demodulator, E4000_chip, 0x00, 1, buffer);
//Powers down tuner (will recover if tuner initialisation is subsequently run)
return (Error_NO_ERROR);
}
Dword E4000_set (
IN Demodulator* demodulator,
IN Byte chip,
IN Word bandwidth,
IN Dword frequency
) {
E4000_demodulator = demodulator;
E4000_chip = chip;
E4000_bandwidth=bandwidth;
E4000_frequency=frequency;
E4000_Gainmanual();
E4000_PLL();
E4000_LNAfilter();
E4000_IFfilter();
E4000_freqband();
E4000_DCoffLUT();
E4000_Gainauto();
Dword error = 0;
return (Error_NO_ERROR);
}
TunerDescription tuner_E4000 = {
E4000_open,
E4000_close,
E4000_set,
E4000_scripts,
E4000_scriptSets,
0xC8, /** tuner i2c address */
1, /** length of tuner register address */
0, /** tuner if */
False, /** spectrum inverse */
0xFF, /** tuner id */
};
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