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/**
* @(#)Afa_PEACOCK.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 "Afa_Peacock_Script.h"
Dword PEACOCK_open (
IN Demodulator* demodulator,
IN Byte chip
) {
return (Error_NO_ERROR);
}
Dword PEACOCK_close (
IN Demodulator* demodulator,
IN Byte chip
) {
return (Error_NO_ERROR);
}
Dword PEACOCK_set (
IN Demodulator* demodulator,
IN Byte chip,
IN Word bandwidth,
IN Dword frequency
) {
Dword error = Error_NO_ERROR;
Long ckxtal;
Byte l_band;
Byte lna_band;
Byte lna_cap;
Word n_div;
Long n;
Word m_lo;
Word lo_freq;
Byte lo_freq_15_10;
Byte lo_freq_9_4;
Byte lo_freq_3_0;
Long i;
Byte readTmp;
Byte lo_cap;
Long lo_cap_min = -1;
Long lo_cap_max = -1;
Byte lpf_cap = 0x0c;
Byte lpf_bw;
#if 1
Byte lna_gain = 7;
Byte pgc_gain = 6;
Byte pga_gain = 0;
Byte ofsi = 0x20;
Byte ofsq = 0x20;
#endif
Byte tmp = 0;
Ganymede* ganymede;
ganymede = (Ganymede*) demodulator;
ckxtal = (Long) ganymede->crystalFrequency;
if (ckxtal == 0) {
error = Error_INVALID_XTAL_FREQ;
goto exit;
}
/////////////////////////////////////////////////// set debug port
tmp = 0;
error = Standard_writeTunerRegisters (demodulator, chip, 0x07, 1, &tmp); // dgb_port 0:off
if (error) goto exit;
/////////////////////////////////////////////////// set frequency
if (frequency <= 400000) {
error = Error_FREQ_OUT_OF_RANGE;
goto exit;
} else if (frequency > 400000 && frequency <= 440000) {
l_band = 0;
lna_band = 0;
} else if (frequency > 440000 && frequency <= 484000) {
l_band = 0;
lna_band = 1;
} else if (frequency > 484000 && frequency <= 533000) {
l_band = 0;
lna_band = 2;
} else if (frequency > 533000 && frequency <= 587000) {
l_band = 0;
lna_band = 3;
} else if (frequency > 587000 && frequency <= 645000) {
l_band = 0;
lna_band = 4;
} else if (frequency > 645000 && frequency <= 710000) {
l_band = 0;
lna_band = 5;
} else if (frequency > 710000 && frequency <= 782000) {
l_band = 0;
lna_band = 6;
} else if (frequency > 782000 && frequency <= 860000) {
l_band = 0;
lna_band = 7;
} else if (frequency > 860000 && frequency <= 1450000) {
error = Error_FREQ_OUT_OF_RANGE;
goto exit;
} else if (frequency > 1450000 && frequency <= 1492000) {
l_band = 1;
lna_band = 0;
} else if (frequency > 1492000 && frequency <= 1660000) {
error = Error_FREQ_OUT_OF_RANGE;
goto exit;
} else if (frequency > 1660000 && frequency <= 1685000) {
l_band = 1;
lna_band = 1;
} else { // frequency > 1685000
error = Error_FREQ_OUT_OF_RANGE;
goto exit;
}
// set l_band
error = Standard_writeTunerRegisters (demodulator, chip, 0x09, 1, &l_band);
if (error) goto exit;
// set lna_band
error = Standard_writeTunerRegisters (demodulator, chip, 0x14, 1, &lna_band);
if (error) goto exit;
switch (lna_band)
{
case 0:
lna_cap = 0;
break;
case 1:
lna_cap = 7;
break;
case 2:
lna_cap = 15;
break;
case 3:
lna_cap = 23;
break;
case 4:
lna_cap = 32;
break;
case 5:
lna_cap = 39;
break;
case 6:
lna_cap = 48;
break;
case 7:
lna_cap = 55;
break;
}
// set lna_cap
error = Standard_writeTunerRegisters (demodulator, chip, 0x13, 1, &lna_cap);
if (error) goto exit;
if (frequency <= 49000) {
error = Error_FREQ_OUT_OF_RANGE;
goto exit;
} else if (frequency > 49000 && frequency <= 74000) {
n_div = 48;
n = 0;
} else if (frequency > 74000 && frequency <= 111000) {
n_div = 32;
n = 1;
} else if (frequency > 111000 && frequency <= 148000) {
n_div = 24;
n = 2;
} else if (frequency > 148000 && frequency <= 222000) {
n_div = 16;
n = 3;
} else if (frequency > 222000 && frequency <= 296000) {
n_div = 12;
n = 4;
} else if (frequency > 296000 && frequency <= 445000) {
n_div = 8;
n = 5;
} else if (frequency > 445000 && frequency <= 560000) {
n_div = 6;
n = 6;
} else if (frequency > 560000 && frequency <= 890000) {
n_div = 4;
n = 7;
} else if (frequency > 1187000 && frequency <= 1780000) {
n_div = 2;
n = 0;
} else { // frequency >1780000
error = Error_FREQ_OUT_OF_RANGE;
goto exit;
}
// calculate frequency value
m_lo = (Word) (n_div * 32 * frequency / ckxtal);
lo_freq = (Word) n << 13;
lo_freq += m_lo;
lo_freq_15_10 = (lo_freq & (Word) 0xfc00) >> 10;
lo_freq_9_4 = (lo_freq & (Word) 0x03f0) >> 4;
lo_freq_3_0 = lo_freq & (Word) 0x000f;
// set lo_freq_15_10
error = Standard_writeTunerRegisters (demodulator, chip, 0x0d, 1, &lo_freq_15_10);
if (error) goto exit;
// set lo_freq_9_4
error = Standard_writeTunerRegisters (demodulator, chip, 0x0e, 1, &lo_freq_9_4);
if (error) goto exit;
// set lo_freq_3_0
error = Standard_writeTunerRegisters (demodulator, chip, 0x0f, 1, &lo_freq_3_0);
if (error) goto exit;
// write
error = Standard_writeTunerRegisters (demodulator, chip, 0x3f, 1, &tmp);
if (error) goto exit;
// calculate lo_cap
for (i = 0; i < 32; i++) {
// set 0x10
tmp = (Byte) i;
error = Standard_writeTunerRegisters (demodulator, chip, 0x10, 1, &tmp);
if (error) goto exit;
// write
tmp = 0;
error = Standard_writeTunerRegisters (demodulator, chip, 0x3f, 1, &tmp);
if (error) goto exit;
// read
tmp = 0;
error = Standard_writeTunerRegisters (demodulator, chip, 0x01, 1, &tmp);
if (error) goto exit;
// get 0x02
error = Standard_readTunerRegisters (demodulator, chip, 0x02, 1, &readTmp);
if (error) goto exit;
readTmp = readTmp >> 6 & 0x03;
if (readTmp == 0 && lo_cap_min == -1)
lo_cap_min = i;
if (readTmp != 0 && lo_cap_min != -1 && lo_cap_max == -1)
lo_cap_max = i - 1;
}
if (lo_cap_min != -1 && lo_cap_max == -1)
lo_cap = (Byte) lo_cap_min;
else if (lo_cap_min == -1 && lo_cap_max == -1 && readTmp == 1)
lo_cap = 0;
else if (lo_cap_min == -1 && lo_cap_max == -1 && readTmp == 2)
lo_cap = 31;
else
lo_cap = (Byte) (lo_cap_min + lo_cap_max) / 2;
// set lo_cap
error = Standard_writeTunerRegisters (demodulator, chip, 0x10, 1, &lo_cap);
if (error) goto exit;
// set lpf_cap
tmp = lpf_cap;
error = Standard_writeTunerRegisters (demodulator, chip, 0x18, 1, &tmp);
if (error) goto exit;
// write
tmp = 0;
error = Standard_writeTunerRegisters (demodulator, chip, 0x3f, 1, &tmp);
if (error) goto exit;
/////////////////////////////////////////////////// select BW
if (bandwidth == 5000)
lpf_bw = 0;
else if (bandwidth == 5500)
lpf_bw = 1;
else if (bandwidth == 6000)
lpf_bw = 2;
else if (bandwidth == 6500)
lpf_bw = 3;
else if (bandwidth == 7000)
lpf_bw = 4;
else if (bandwidth == 7500)
lpf_bw = 5;
else if (bandwidth == 8000)
lpf_bw = 6;
else if (bandwidth == 8500)
lpf_bw = 7;
else {
error = Error_INVALID_BW;
goto exit;
}
// set bandwidth
error = Standard_writeTunerRegisters (demodulator, chip, 0x19, 1, &lpf_bw);
if (error) goto exit;
// write
tmp = 0;
error = Standard_writeTunerRegisters (demodulator, chip, 0x3f, 1, &tmp);
if (error) goto exit;
/////////////////////////////////////////////////// tune gain
#if 1
// set lna_gain
tmp = lna_gain;
error = Standard_writeTunerRegisters (demodulator, chip, 0x12, 1, &tmp);
if (error) goto exit;
// set pgc_gain
tmp = pgc_gain;
error = Standard_writeTunerRegisters (demodulator, chip, 0x17, 1, &tmp);
if (error) goto exit;
// set pga_gain
tmp = pga_gain;
error = Standard_writeTunerRegisters (demodulator, chip, 0x15, 1, &tmp);
if (error) goto exit;
// set 0x22
tmp = 0x02;
error = Standard_writeTunerRegisters (demodulator, chip, 0x22, 1, &tmp);
if (error) goto exit;
// set ofsi
tmp = ofsi;
error = Standard_writeTunerRegisters (demodulator, chip, 0x1a, 1, &tmp);
if (error) goto exit;
// set ofsq
tmp = ofsq;
error = Standard_writeTunerRegisters (demodulator, chip, 0x1b, 1, &tmp);
if (error) goto exit;
// set 1c
tmp = 0x2f;
error = Standard_writeTunerRegisters (demodulator, chip, 0x1c, 1, &tmp);
if (error) goto exit;
// write
tmp = 0;
error = Standard_writeTunerRegisters (demodulator, chip, 0x3f, 1, &tmp);
if (error) goto exit;
#endif
exit:
return error;
}
TunerDescription tuner_PEACOCK = {
PEACOCK_open,
PEACOCK_close,
PEACOCK_set,
PEACOCK_scripts,
PEACOCK_scriptSets,
PEACOCK_ADDRESS, /** tuner i2c address */
1, /** length of tuner register address */
0, /** tuner if */
True, /** spectrum inverse */
0x25, /** tuner id */
};
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