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lms7_device.cpp
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lms7_device.cpp
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/*
* File: lms7_device.cpp
* Author: ignas
*
* Created on March 9, 2016, 12:54 PM
*/
#include "lms7_device.h"
#include "qLimeSDR.h"
#include "GFIR/lms_gfir.h"
#include "IConnection.h"
#include <cmath>
#include "dataTypes.h"
#include <chrono>
#include <iostream>
#include <fstream>
#include "ErrorReporting.h"
#include "MCU_BD.h"
#include "FPGA_common.h"
#include "LMS64CProtocol.h"
#include <assert.h>
#include "ConnectionRegistry.h"
#include "ADF4002.h"
static const size_t LMS_PATH_NONE = 0;
static const size_t LMS_PATH_HIGH = 1;
static const size_t LMS_PATH_LOW = 2;
static const size_t LMS_PATH_WIDE = 3;
static const size_t LMS_PATH_TX1 = 1;
static const size_t LMS_PATH_TX2 = 2;
const double LMS7_Device::LMS_CGEN_MAX = 640e6;
LMS7_Device* LMS7_Device::CreateDevice(lime::IConnection* conn, LMS7_Device *obj)
{
LMS7_Device* device;
if (conn != nullptr)
{
auto info = conn->GetDeviceInfo();
if (info.deviceName == "LimeSDR-QPCIe")
device = new LMS7_qLimeSDR(obj);
else
device = new LMS7_Device(obj);
device->_Initialize(conn);
}
else
{
device = new LMS7_Device(obj);
device->_Initialize(nullptr);
}
if (obj != nullptr)
delete obj;
return device;
}
LMS7_Device::LMS7_Device(LMS7_Device *obj) : connection(nullptr), lms_chip_id(0)
{
if (obj != nullptr)
{
this->lms_list = obj->lms_list;
obj->lms_list.clear();
this->rx_channels = obj->rx_channels;
this->tx_channels = obj->tx_channels;
this->connection = obj->connection;
obj->connection = nullptr;
}
}
LMS7_Device::~LMS7_Device()
{
for (unsigned i = 0; i < this->lms_list.size();i++)
delete this->lms_list[i];
if (this->connection != nullptr)
lime::ConnectionRegistry::freeConnection(this->connection);
}
void LMS7_Device::_Initialize(lime::IConnection* conn)
{
this->tx_channels.resize(this->GetNumChannels());
this->rx_channels.resize(this->GetNumChannels());
while (this->lms_list.size() > this->GetNumChannels()/2)
{
delete this->lms_list.back();
this->lms_list.pop_back();
}
while (this->lms_list.size() < this->GetNumChannels()/2)
{
this->lms_list.push_back(new lime::LMS7002M());
}
for (unsigned i = 0; i < this->lms_list.size(); i++)
this->lms_list[i]->EnableValuesCache(false);
this->SetConnection(conn);
}
int LMS7_Device::SetConnection(lime::IConnection* conn)
{
if (this->connection != nullptr)
lime::ConnectionRegistry::freeConnection(this->connection);
for (unsigned i = 0; i < this->lms_list.size(); i++)
this->lms_list[i]->SetConnection(conn, i);
this->connection = conn;
return 0;
}
lime::IConnection* LMS7_Device::GetConnection(unsigned chan)
{
return this->connection;
}
int LMS7_Device::ConfigureRXLPF(bool enabled,int ch,float_type bandwidth)
{
lime::LMS7002M* lms = lms_list[ch/2];
if (lms->Modify_SPI_Reg_bits(LMS7param(MAC),(ch%2)+1,true)!=0)
return -1;
if (enabled)
{
if (lms->Modify_SPI_Reg_bits(LMS7param(PD_LPFL_RBB),0,true)!=0)
return -1;
lms->Modify_SPI_Reg_bits(LMS7param(PD_LPFH_RBB),0,true);
lms->Modify_SPI_Reg_bits(LMS7param(INPUT_CTL_PGA_RBB),0,true);
if (bandwidth > 0)
{
if (lms->SPI_read(0x2F, true)== 0x3840)
lms->EnableCalibrationByMCU(false);
else
lms->EnableCalibrationByMCU(true);
if (lms->TuneRxFilter(bandwidth)!=0)
return -1;
}
}
else
{
if (lms->Modify_SPI_Reg_bits(LMS7param(PD_LPFL_RBB),1,true)!=0)
return -1;
lms->Modify_SPI_Reg_bits(LMS7param(PD_LPFH_RBB),1,true);
lms->Modify_SPI_Reg_bits(LMS7param(INPUT_CTL_PGA_RBB),2,true);
}
return 0;
}
int LMS7_Device::ConfigureGFIR(bool enabled,bool tx, double bandwidth, size_t ch)
{
double w,w2;
int L;
int div = 1;
bandwidth /= 1e6;
lime::LMS7002M* lms = lms_list[ch / 2];
if (lms->Modify_SPI_Reg_bits(LMS7param(MAC),(ch%2)+1,true)!=0)
return -1;
if (tx)
{
lms->Modify_SPI_Reg_bits(LMS7param(GFIR1_BYP_TXTSP),enabled==false,true);
lms->Modify_SPI_Reg_bits(LMS7param(GFIR2_BYP_TXTSP),enabled==false,true);
lms->Modify_SPI_Reg_bits(LMS7param(GFIR3_BYP_TXTSP),enabled==false,true);
}
else
{
lms->Modify_SPI_Reg_bits(LMS7param(GFIR1_BYP_RXTSP), enabled == false, true);
lms->Modify_SPI_Reg_bits(LMS7param(GFIR2_BYP_RXTSP), enabled == false, true);
lms->Modify_SPI_Reg_bits(LMS7param(GFIR3_BYP_RXTSP), enabled == false, true);
if (lms->Get_SPI_Reg_bits(LMS7_MASK, true) != 0)
{
if (ch%2)
lms->Modify_SPI_Reg_bits(LMS7param(CDSN_RXBLML), enabled == false, true);
else
lms->Modify_SPI_Reg_bits(LMS7param(CDSN_RXALML), enabled == false, true);
}
}
if (bandwidth < 0)
return 0;
if (enabled)
{
double interface_MHz;
int ratio;
if (tx)
{
ratio = lms->Get_SPI_Reg_bits(LMS7param(HBI_OVR_TXTSP));
interface_MHz = lms->GetReferenceClk_TSP(lime::LMS7002M::Tx) / 1e6;
}
else
{
ratio = lms->Get_SPI_Reg_bits(LMS7param(HBD_OVR_RXTSP));
interface_MHz = lms->GetReferenceClk_TSP(lime::LMS7002M::Rx) / 1e6;
}
if (ratio == 7)
interface_MHz /= 2;
else
div = (2<<(ratio));
w = (bandwidth/2)/(interface_MHz/div);
L = div > 8 ? 8 : div;
div -= 1;
w *=0.95;
w2 = w*1.1;
if (w2 > 0.495)
{
w2 = w*1.05;
if (w2 > 0.495)
{
return 0; //Filter disabled
}
}
}
else return 0;
double coef[120];
double coef2[40];
short gfir1[120];
short gfir2[40];
GenerateFilter(L*15, w, w2, 1.0, 0, coef);
GenerateFilter(L*5, w, w2, 1.0, 0, coef2);
int sample = 0;
for(int i=0; i<15; i++)
{
for(int j=0; j<8; j++)
{
if( (j < L) && (sample < L*15) )
{
gfir1[i*8+j] = (coef[sample]*32767.0);
sample++;
}
else
{
gfir1[i*8+j] = 0;
}
}
}
sample = 0;
for(int i=0; i<5; i++)
{
for(int j=0; j<8; j++)
{
if( (j < L) && (sample < L*5) )
{
gfir2[i*8+j] = (coef2[sample]*32767.0);
sample++;
}
else
{
gfir2[i*8+j] = 0;
}
}
}
L-=1;
if (tx)
{
if (lms->Modify_SPI_Reg_bits(LMS7param(GFIR1_L_TXTSP), L, true) != 0)
return -1;
lms->Modify_SPI_Reg_bits(LMS7param(GFIR1_N_TXTSP), div, true);
lms->Modify_SPI_Reg_bits(LMS7param(GFIR2_L_TXTSP), L, true);
lms->Modify_SPI_Reg_bits(LMS7param(GFIR2_N_TXTSP), div, true);
lms->Modify_SPI_Reg_bits(LMS7param(GFIR3_L_TXTSP), L, true);
lms->Modify_SPI_Reg_bits(LMS7param(GFIR3_N_TXTSP), div, true);
}
else
{
if (lms->Modify_SPI_Reg_bits(LMS7param(GFIR1_L_RXTSP), L, true) != 0)
return -1;
lms->Modify_SPI_Reg_bits(LMS7param(GFIR1_N_RXTSP), div, true);
lms->Modify_SPI_Reg_bits(LMS7param(GFIR2_L_RXTSP), L, true);
lms->Modify_SPI_Reg_bits(LMS7param(GFIR2_N_RXTSP), div, true);
lms->Modify_SPI_Reg_bits(LMS7param(GFIR3_L_RXTSP), L, true);
lms->Modify_SPI_Reg_bits(LMS7param(GFIR3_N_RXTSP), div, true);
}
if ((lms->SetGFIRCoefficients(tx, 0, gfir2, 40) != 0)
|| (lms->SetGFIRCoefficients(tx, 1, gfir2, 40) != 0)
|| (lms->SetGFIRCoefficients(tx, 2, gfir1, 120) != 0))
return -1;
return 0;
}
int LMS7_Device::ConfigureTXLPF(bool enabled,int ch,double bandwidth)
{
lime::LMS7002M* lms = lms_list[ch / 2];
if ((ch&1) == 1)
{
if (lms->Modify_SPI_Reg_bits(LMS7param(MAC), 2, true) != 0)
return -1;
}
else
{
if (lms->Modify_SPI_Reg_bits(LMS7param(MAC), 1, true) != 0)
return -1;
}
if (enabled)
{
if (lms->Modify_SPI_Reg_bits(LMS7param(PD_LPFH_TBB), 0, true) != 0)
return -1;
lms->Modify_SPI_Reg_bits(LMS7param(PD_LPFLAD_TBB), 0, true);
lms->Modify_SPI_Reg_bits(LMS7param(PD_LPFS5_TBB), 0, true);
if (bandwidth > 0)
{
if (lms->SPI_read(0x2F, true)== 0x3840)
lms->EnableCalibrationByMCU(false);
else
lms->EnableCalibrationByMCU(true);
if (lms->TuneTxFilter(bandwidth) != 0)
return -1;
}
}
else
{
lms->Modify_SPI_Reg_bits(LMS7param(PD_LPFLAD_TBB), 1, true);
lms->Modify_SPI_Reg_bits(LMS7param(PD_LPFS5_TBB), 1, true);
return lms->Modify_SPI_Reg_bits(LMS7param(PD_LPFH_TBB), 1, true);
}
return 0;
}
size_t LMS7_Device::GetNumChannels(const bool tx) const
{
return 2;
}
int LMS7_Device::SetRate(double f_Hz, int oversample)
{
int decim = 0;
float_type nco_f=0;
for (size_t i = 0; i < GetNumChannels(false);i++)
{
if (rx_channels[i].cF_offset_nco > nco_f)
nco_f = rx_channels[i].cF_offset_nco;
if (tx_channels[i].cF_offset_nco > nco_f)
nco_f = tx_channels[i].cF_offset_nco;
tx_channels[i].sample_rate = f_Hz;
rx_channels[i].sample_rate = f_Hz;
}
if (nco_f != 0)
{
int nco_over = 2+2*(nco_f-1)/f_Hz;
oversample = oversample > nco_over ? oversample : nco_over;
if (oversample > 32)
{
lime::ReportError(ERANGE, "Cannot achieve desired sample rate: rate too low");
return -1;
}
}
if (oversample == 0)
oversample = LMS_CGEN_MAX/(8*f_Hz);
if (oversample > 1)
{
for (decim = 0; decim < 4; decim++)
{
if ( (1<<decim) >= (oversample+1)/2)
break;
}
}
else decim = 7;
int ratio = oversample <= 2 ? 2 : (2<<decim);
float_type cgen = f_Hz*4*ratio;
if (cgen > LMS_CGEN_MAX)
{
lime::ReportError(ERANGE, "Cannot set desired sample rate. CGEN clock out of range");
return -1;
}
lime::LMS7002M* lms = lms_list[lms_chip_id];
if ((lms->SetFrequencyCGEN(cgen) != 0)
|| (lms->Modify_SPI_Reg_bits(LMS7param(EN_ADCCLKH_CLKGN), 0) != 0)
|| (lms->Modify_SPI_Reg_bits(LMS7param(CLKH_OV_CLKL_CGEN), 2) != 0)
|| (lms->Modify_SPI_Reg_bits(LMS7param(MAC), 2, true) != 0)
|| (lms->Modify_SPI_Reg_bits(LMS7param(HBD_OVR_RXTSP), decim) != 0)
|| (lms->Modify_SPI_Reg_bits(LMS7param(HBI_OVR_TXTSP), decim) != 0)
|| (lms->Modify_SPI_Reg_bits(LMS7param(MAC), 1, true) != 0)
|| (lms->SetInterfaceFrequency(lms->GetFrequencyCGEN(), decim, decim) != 0))
return -1;
float_type fpgaTxPLL = lms->GetReferenceClk_TSP(lime::LMS7002M::Tx);
float_type fpgaRxPLL = lms->GetReferenceClk_TSP(lime::LMS7002M::Rx);
if (decim != 7)
{
fpgaTxPLL /= pow(2.0, decim);
fpgaRxPLL /= pow(2.0, decim);
}
if (this->connection->UpdateExternalDataRate(lms_chip_id, fpgaTxPLL / 2, fpgaRxPLL / 2) != 0)
return -1;
for (size_t i = 0; i < GetNumChannels(false);i++)
{
float_type freq[LMS_NCO_VAL_COUNT]={0};
if (rx_channels[i].cF_offset_nco != 0)
{
freq[0] = rx_channels[i].cF_offset_nco;
SetNCOFreq(false,i,freq,0);
SetNCO(false,i,0,true);
}
if (tx_channels[i].cF_offset_nco != 0)
{
freq[0] = tx_channels[i].cF_offset_nco;
SetNCOFreq(true,i,freq,0);
SetNCO(true,i,0,true);
}
}
return 0;
}
int LMS7_Device::SetRate(bool tx, double f_Hz, unsigned oversample)
{
float_type tx_clock;
float_type rx_clock;
float_type cgen;
int decimation;
int interpolation;
size_t tmp;
float_type nco_rx=0;
float_type nco_tx=0;
int min_int = 1;
int min_dec = 1;
bool retain_nco = false;
lime::LMS7002M* lms = lms_list[lms_chip_id];
for (size_t i = 0; i < GetNumChannels(false);i++)
{
if (rx_channels[i].cF_offset_nco > nco_rx)
nco_rx = rx_channels[i].cF_offset_nco;
if (tx_channels[i].cF_offset_nco > nco_tx)
nco_tx = tx_channels[i].cF_offset_nco;
if (tx)
tx_channels[i].sample_rate = f_Hz;
else
rx_channels[i].sample_rate = f_Hz;
}
if (nco_rx != 0 || nco_tx != 0)
{
retain_nco = true;
min_int = 2+2*(nco_tx-1)/tx_channels[0].sample_rate;
min_dec = 2+2*(nco_rx-1)/rx_channels[0].sample_rate;
unsigned int nco_over = tx ? min_int : min_dec;
oversample = oversample > nco_over ? oversample : nco_over;
if (oversample > 32)
{
lime::ReportError(ERANGE, "Cannot achieve desired sample rate: rate too low");
return -1;
}
}
if (oversample == 0)
oversample = tx ? LMS_CGEN_MAX/(2*f_Hz) : LMS_CGEN_MAX/(8*f_Hz);
if (oversample > 1)
{
for (tmp = 0; tmp < 4; tmp++)
{
if ( size_t(1<<tmp) >= (oversample+1)/2)
{
break;
}
}
}
else tmp = 7;
int ratio = oversample <= 2 ? 2 : (2<<tmp);
if (tx)
{
interpolation = tmp;
decimation = lms->Get_SPI_Reg_bits(LMS7param(HBD_OVR_RXTSP));
rx_clock = lms->GetReferenceClk_TSP(lime::LMS7002M::Rx);
tx_clock = f_Hz*ratio;
}
else
{
decimation = tmp;
interpolation = lms->Get_SPI_Reg_bits(LMS7param(HBI_OVR_TXTSP));
tx_clock = lms->GetReferenceClk_TSP(lime::LMS7002M::Tx);
rx_clock = f_Hz * ratio;
}
int div_index = floor(log2(tx_clock/rx_clock)+0.5);
while (div_index < -1)
{
if (tx)
{
if ((decimation > 0) && (min_dec <= (1<<decimation)))
{
decimation--;
div_index++;
}
else if (interpolation < 4)
{
interpolation++;
div_index++;
}
else
{
div_index = -1;
break;
}
}
else
{
if (interpolation < 4)
{
interpolation++;
div_index++;
}
else if ((decimation > 0) && (min_dec <= (1<<decimation)))
{
decimation--;
div_index++;
}
else
{
div_index = -1;
break;
}
}
}
while (div_index > 5)
{
if (tx)
{
if (decimation < 4)
{
decimation++;
div_index--;
}
else if ((interpolation > 0) && (min_int <= (1<<interpolation)))
{
interpolation--;
div_index--;
}
else
{
div_index = 5;
break;
}
}
else
{
if ((interpolation > 0) && (min_int <= (1<<interpolation)))
{
interpolation--;
div_index--;
}
else if (decimation < 4)
{
decimation++;
div_index--;
}
else
{
div_index = 5;
break;
}
}
}
if (min_int > (2<<interpolation) || min_dec > (2<<decimation))
{
lime::ReportError(ERANGE, "Unable to meet NCO oversampling requirements");
return -1;
}
int clk_mux;
int clk_div;
switch (div_index)
{
case -1://2:1
clk_mux = 0;
clk_div = 3;
break;
case 0://1:1
clk_mux = 0;
clk_div = 2;
break;
case 1: //1:2
clk_mux = 0;
clk_div = 1;
break;
case 2://1:4
clk_mux = 0;
clk_div = 0;
break;
case 3: //1:8
clk_mux = 1;
clk_div = 1;
break;
case 4: //1:16
clk_mux = 1;
clk_div = 2;
break;
case 5: //1:32
clk_mux = 1;
clk_div = 3;
break;
}
if (tx)
{
ratio = oversample <= 2 ? 2 : (2<<interpolation);
cgen = f_Hz*ratio;
}
else
{
ratio = oversample <= 2 ? 2 : (2<<decimation);
cgen = f_Hz * ratio * 4;
}
if ((tx && clk_mux == 0)||(tx == false && clk_mux == 1))
{
while (cgen*(1<<clk_div)>LMS_CGEN_MAX)
{
if (clk_div > 0)
{
clk_div--;
}
else
{
lime::ReportError(ERANGE, "Cannot set desired sample rate. CGEN clock out of range");
return -1;
}
}
cgen *= (1 << clk_div);
}
if (cgen > LMS_CGEN_MAX)
{
lime::ReportError(ERANGE, "Cannot set desired sample rate. CGEN clock out of range");
return -1;
}
if ((lms->SetFrequencyCGEN(cgen, retain_nco) != 0)
|| (lms->Modify_SPI_Reg_bits(LMS7param(EN_ADCCLKH_CLKGN), clk_mux) != 0)
|| (lms->Modify_SPI_Reg_bits(LMS7param(CLKH_OV_CLKL_CGEN), clk_div) != 0)
|| (lms->Modify_SPI_Reg_bits(LMS7param(MAC), 2, true) != 0)
|| (lms->Modify_SPI_Reg_bits(LMS7param(HBD_OVR_RXTSP), decimation) != 0)
|| (lms->Modify_SPI_Reg_bits(LMS7param(HBI_OVR_TXTSP), interpolation) != 0)
|| (lms->Modify_SPI_Reg_bits(LMS7param(MAC), 1, true) != 0)
|| (lms->SetInterfaceFrequency(lms->GetFrequencyCGEN(), interpolation, decimation) != 0))
return -1;
float_type fpgaTxPLL = lms->GetReferenceClk_TSP(lime::LMS7002M::Tx);
float_type fpgaRxPLL = lms->GetReferenceClk_TSP(lime::LMS7002M::Rx);
if (interpolation != 7) {
fpgaTxPLL /= pow(2.0, interpolation);
}
if (decimation != 7) {
fpgaRxPLL /= pow(2.0, decimation);
}
if (this->connection->UpdateExternalDataRate(lms_chip_id, fpgaTxPLL / 2, fpgaRxPLL / 2) != 0)
return -1;
for (size_t i = 0; i < GetNumChannels(false);i++)
{
float_type freq[LMS_NCO_VAL_COUNT]={0};
if (rx_channels[i].cF_offset_nco != 0)
{
freq[0] = rx_channels[i].cF_offset_nco;
SetNCOFreq(false,i,freq,0);
SetNCO(false,i,0,true);
}
if (tx_channels[i].cF_offset_nco != 0)
{
freq[0] = tx_channels[i].cF_offset_nco;
SetNCOFreq(true,i,freq,0);
SetNCO(true,i,0,true);
}
}
return 0;
}
int LMS7_Device::SetRate(unsigned ch, double rxRate, double txRate, unsigned oversample)
{
//TODO: low importance : implement this and expose via LimeSuite.h
return lime::ReportError(ERANGE, "Not implemented");;
}
double LMS7_Device::GetRate(bool tx, unsigned chan, double *rf_rate_Hz)
{
double interface_Hz;
int ratio;
lime::LMS7002M* lms = lms_list[chan / 2];
if (lms->Modify_SPI_Reg_bits(LMS7param(MAC), (chan%2) + 1, true) != 0)
return -1;
if (tx)
{
ratio = lms->Get_SPI_Reg_bits(LMS7param(HBI_OVR_TXTSP),true);
interface_Hz = lms->GetReferenceClk_TSP(lime::LMS7002M::Tx);
}
else
{
ratio = lms->Get_SPI_Reg_bits(LMS7param(HBD_OVR_RXTSP),true);
interface_Hz = lms->GetReferenceClk_TSP(lime::LMS7002M::Rx);
}
if (ratio == 7)
interface_Hz /= 2;
if (rf_rate_Hz)
*rf_rate_Hz = interface_Hz;
if (ratio != 7)
interface_Hz /= 2*pow(2.0, ratio);
return interface_Hz;
}
lms_range_t LMS7_Device::GetRxRateRange(const size_t chan) const
{
lms_range_t ret;
ret.max = 80e6;
ret.min = 100e3;
ret.step = 1;
return ret;
}
lms_range_t LMS7_Device::GetTxRateRange(size_t chan) const
{
lms_range_t ret;
ret.max = 80e6;
ret.min = 100e3;
ret.step = 1;
return ret;
}
std::vector<std::string> LMS7_Device::GetPathNames(bool dir_tx, size_t chan) const
{
if (dir_tx)
return {"NONE", "TX_PATH1", "TX_PATH2"};
else
return {"NONE", "LNA_H", "LNA_L", "LNA_W"};
}
int LMS7_Device::SetPath(bool tx, size_t chan, size_t path)
{
lime::LMS7002M* lms = lms_list[chan / 2];
if (lms->Modify_SPI_Reg_bits(LMS7param(MAC), (chan%2) + 1, true) != 0)
return -1;
if (tx==false)
{
if ((lms->Modify_SPI_Reg_bits(LMS7param(SEL_PATH_RFE),path,true)!=0)
|| (lms->Modify_SPI_Reg_bits(LMS7param(EN_INSHSW_L_RFE), path != 2, true) != 0)
|| (lms->Modify_SPI_Reg_bits(LMS7param(EN_INSHSW_W_RFE), path != 3, true) != 0))
return -1;
}
else
{
if ((lms->Modify_SPI_Reg_bits(LMS7param(SEL_BAND1_TRF), path == LMS_PATH_TX1, true) != 0)
|| (lms->Modify_SPI_Reg_bits(LMS7param(SEL_BAND2_TRF), path == LMS_PATH_TX2, true) != 0))
return -1;
}
return 0;
}
size_t LMS7_Device::GetPath(bool tx, size_t chan)
{
lime::LMS7002M* lms = lms_list[chan / 2];
if (lms->Modify_SPI_Reg_bits(LMS7param(MAC), (chan%2) + 1, true) != 0)
return -1;
if (tx)
{
if (lms->Get_SPI_Reg_bits(LMS7param(SEL_BAND2_TRF), true))
return LMS_PATH_TX2;
else if (lms->Get_SPI_Reg_bits(LMS7param(SEL_BAND1_TRF), true))
return LMS_PATH_TX1;
else
return 0;
}
return lms->Get_SPI_Reg_bits(LMS7param(SEL_PATH_RFE), true);
}
lms_range_t LMS7_Device::GetRxPathBand(size_t path, size_t chan) const
{
lms_range_t ret;
ret.step = 1;
if (this->connection->GetDeviceInfo().deviceName == lime::GetDeviceName(lime::LMS_DEV_ULIMESDR))
{
if (path == LMS_PATH_LOW)
{
ret.max = 3800000000;
ret.min = 30000000;
}
else
{
ret.max = 0;
ret.min = 0;
ret.step = 0;
}
}
else
switch (path)
{
case LMS_PATH_HIGH:
ret.max = 3800000000;
ret.min = 2000000000;
break;
case LMS_PATH_WIDE:
ret.max = 3800000000;
ret.min = 700000000;
break;
case LMS_PATH_LOW:
ret.max = 1100000000;
ret.min = 30000000;
break;
default:
ret.max = 0;
ret.min = 0;
ret.step = 0;
break;
}
return ret;
}
lms_range_t LMS7_Device::GetTxPathBand(size_t path, size_t chan) const
{
lms_range_t ret;
ret.step = 1;
if (this->connection->GetDeviceInfo().deviceName == lime::GetDeviceName(lime::LMS_DEV_ULIMESDR))
{
if (path == LMS_PATH_TX2)
{
ret.max = 3800000000;
ret.min = 30000000;
}
else
{
ret.max = 0;
ret.min = 0;
ret.step = 0;
}
}
else
switch (path)
{
case LMS_PATH_TX2:
ret.max = 3800000000;
ret.min = 1500000000;
break;
case LMS_PATH_TX1:
ret.max = 1500000000;
ret.min = 30000000;
break;
default:
ret.max = 0;
ret.min = 0;
ret.step = 0;
break;
}
return ret;
}
int LMS7_Device::SetLPF(bool tx,size_t chan, bool filt, bool en, float_type bandwidth)
{
if (filt)
{
if (tx)
{
if(en)
tx_channels[chan].lpf_bw = bandwidth;
return ConfigureTXLPF(en,chan,bandwidth)!=0;
}
else
{
if (en)
rx_channels[chan].lpf_bw = bandwidth;
return ConfigureRXLPF(en,chan,bandwidth);
}
}
return ConfigureGFIR(en,tx,bandwidth,chan);
}
float_type LMS7_Device::GetLPFBW(bool tx,size_t chan, bool filt)
{
if (filt)
{
if (tx)
return tx_channels[chan].lpf_bw;
else
return rx_channels[chan].lpf_bw;
}
return -1;
}
lms_range_t LMS7_Device::GetLPFRange(bool tx, size_t chan, bool filt)
{
lms_range_t ret;
if (filt)
{
if (tx)
{
ret.max = 130000000;
ret.min = 5000000;
}
else
{
ret.max = 130000000;
ret.min = 1400000;
}
}
else
{
ret.max = GetRate(false,chan)/1.03;
ret.min = ret.max/30;
}
ret.step = 1;
return ret;
}
int LMS7_Device::SetGFIRCoef(bool tx, size_t chan, lms_gfir_t filt, const float_type* coef,size_t count)
{
lime::LMS7002M* lms = lms_list[chan / 2];
short gfir[120];
int L;
int div = 1;
int ret = 0;
if (count > 120)
{
lime::ReportError(ERANGE, "Max number of coefficients for GFIR3 is 120 and for GFIR1(2) - 40");
return -1;
}
else if (count > 40 && filt != LMS_GFIR3)
{
lime::ReportError(ERANGE, "Max number of coefficients for GFIR1(2) is 40");
return -1;
}
if (lms->Modify_SPI_Reg_bits(LMS7param(MAC), (chan%2) + 1, true) != 0)
return -1;
double interface_Hz;
int ratio;
if (tx)
{
ratio = lms->Get_SPI_Reg_bits(LMS7param(HBI_OVR_TXTSP));
interface_Hz = lms->GetReferenceClk_TSP(lime::LMS7002M::Tx);
}
else
{
ratio = lms->Get_SPI_Reg_bits(LMS7param(HBD_OVR_RXTSP));
interface_Hz = lms->GetReferenceClk_TSP(lime::LMS7002M::Rx);
}
if (ratio == 7)
interface_Hz /= 2;
else
div = (2<<(ratio));
if ((div > 8) || (count == 120) || (count == 40 && filt != LMS_GFIR3))
L = 8;
else
L = div;
float_type max=0;
for (unsigned i=0; i< count; i++)
if (fabs(coef[i])>max)
max=fabs(coef[i]);