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sdrangel/devices/limesdr/devicelimesdr.cpp

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///////////////////////////////////////////////////////////////////////////////////
// Copyright (C) 2017 Edouard Griffiths, F4EXB //
// //
// This program is free software; you can redistribute it and/or modify //
// it under the terms of the GNU General Public License as published by //
// the Free Software Foundation as version 3 of the License, or //
// //
// This program is distributed in the hope that it will be useful, //
// but WITHOUT ANY WARRANTY; without even the implied warranty of //
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the //
// GNU General Public License V3 for more details. //
// //
// You should have received a copy of the GNU General Public License //
// along with this program. If not, see <http://www.gnu.org/licenses/>. //
///////////////////////////////////////////////////////////////////////////////////
#include <cstdio>
#include <cstring>
#include <cmath>
#include "devicelimesdr.h"
bool DeviceLimeSDR::setNCOFrequency(lms_device_t *device, bool dir_tx, std::size_t chan, bool enable, float frequency)
{
if (enable)
{
bool positive;
float_type freqs[LMS_NCO_VAL_COUNT];
float_type phos[LMS_NCO_VAL_COUNT];
if (LMS_GetNCOFrequency(device, dir_tx, chan, freqs, phos) < 0)
{
fprintf(stderr, "DeviceLimeSDR::setNCOFrequency: cannot get NCO frequencies and phases\n");
}
if (frequency < 0)
{
positive = false;
frequency = -frequency;
}
else
{
positive = true;
}
freqs[0] = frequency;
if (LMS_SetNCOFrequency(device, dir_tx, chan, freqs, 0.0f) < 0)
{
fprintf(stderr, "DeviceLimeSDR::setNCOFrequency: cannot set frequency to %f\n", frequency);
return false;
}
if (LMS_SetNCOIndex(device, dir_tx, chan, 0, !positive) < 0)
{
fprintf(stderr, "DeviceLimeSDR::setNCOFrequency: cannot set conversion direction %sfreq\n", positive ? "+" : "-");
return false;
}
return true;
}
else
{
if (LMS_SetNCOIndex(device, dir_tx, chan, LMS_NCO_VAL_COUNT, true) < 0)
{
fprintf(stderr, "DeviceLimeSDR::setNCOFrequency: cannot disable NCO\n");
return false;
}
else
{
fprintf(stderr, "DeviceLimeSDR::setNCOFrequency: NCO disabled\n");
return true;
}
}
}
bool DeviceLimeSDR::SetRFELNA_dB(lms_device_t *device, std::size_t chan, int value)
{
if (LMS_WriteParam(device, LMS7param(MAC), chan+1) < 0)
{
fprintf(stderr, "DeviceLimeSDR::SetRFELNA_dB: cannot set channel to #%lu\n", chan);
return false;
}
if (value > 30) {
value = 30;
}
int val = value - 30;
int g_lna_rfe = 0;
if (val >= 0) g_lna_rfe = 15;
else if (val >= -1) g_lna_rfe = 14;
else if (val >= -2) g_lna_rfe = 13;
else if (val >= -3) g_lna_rfe = 12;
else if (val >= -4) g_lna_rfe = 11;
else if (val >= -5) g_lna_rfe = 10;
else if (val >= -6) g_lna_rfe = 9;
else if (val >= -9) g_lna_rfe = 8;
else if (val >= -12) g_lna_rfe = 7;
else if (val >= -15) g_lna_rfe = 6;
else if (val >= -18) g_lna_rfe = 5;
else if (val >= -21) g_lna_rfe = 4;
else if (val >= -24) g_lna_rfe = 3;
else if (val >= -27) g_lna_rfe = 2;
else g_lna_rfe = 1;
if (LMS_WriteParam(device, LMS7param(G_LNA_RFE), g_lna_rfe) < 0)
{
fprintf(stderr, "DeviceLimeSDR::SetRFELNA_dB: cannot set LNA gain to %d (%d)\n", value, g_lna_rfe);
return false;
}
return true;
}
bool DeviceLimeSDR::SetRFETIA_dB(lms_device_t *device, std::size_t chan, int value)
{
if (LMS_WriteParam(device, LMS7param(MAC), chan+1) < 0)
{
fprintf(stderr, "DeviceLimeSDR::SetRFETIA_dB: cannot set channel to #%lu\n", chan);
return false;
}
if (value > 3) {
value = 3;
} else if (value < 1) {
value = 1;
}
int g_tia_rfe = value;
if (LMS_WriteParam(device, LMS7param(G_TIA_RFE), g_tia_rfe) < 0)
{
fprintf(stderr, "DeviceLimeSDR::SetRFELNA_dB: cannot set TIA gain to %d (%d)\n", value, g_tia_rfe);
return false;
}
return true;
}
bool DeviceLimeSDR::SetRBBPGA_dB(lms_device_t *device, std::size_t chan, float value)
{
if (LMS_WriteParam(device, LMS7param(MAC), chan+1) < 0)
{
fprintf(stderr, "DeviceLimeSDR::SetRBBPGA_dB: cannot set channel to #%lu\n", chan);
return false;
}
int g_pga_rbb = (int)(value + 12.5);
if (g_pga_rbb > 0x1f) g_pga_rbb = 0x1f;
if (g_pga_rbb < 0) g_pga_rbb = 0;
if (LMS_WriteParam(device, LMS7param(G_PGA_RBB), g_pga_rbb) < 0)
{
fprintf(stderr, "DeviceLimeSDR::SetRBBPGA_dB: cannot set G_PGA_RBB to %d\n", g_pga_rbb);
return false;
}
int rcc_ctl_pga_rbb = (430.0*pow(0.65, (g_pga_rbb/10.0))-110.35)/20.4516 + 16;
int c_ctl_pga_rbb = 0;
if (0 <= g_pga_rbb && g_pga_rbb < 8) c_ctl_pga_rbb = 3;
if (8 <= g_pga_rbb && g_pga_rbb < 13) c_ctl_pga_rbb = 2;
if (13 <= g_pga_rbb && g_pga_rbb < 21) c_ctl_pga_rbb = 1;
if (21 <= g_pga_rbb) c_ctl_pga_rbb = 0;
if (LMS_WriteParam(device, LMS7param(RCC_CTL_PGA_RBB), rcc_ctl_pga_rbb) < 0)
{
fprintf(stderr, "DeviceLimeSDR::SetRBBPGA_dB: cannot set RCC_CTL_PGA_RBB to %d\n", rcc_ctl_pga_rbb);
return false;
}
if (LMS_WriteParam(device, LMS7param(C_CTL_PGA_RBB), c_ctl_pga_rbb) < 0)
{
fprintf(stderr, "DeviceLimeSDR::SetRBBPGA_dB: cannot set C_CTL_PGA_RBB to %d\n", c_ctl_pga_rbb);
return false;
}
return true;
}
bool DeviceLimeSDR::setRxAntennaPath(lms_device_t *device, std::size_t chan, int path)
{
// if (LMS_WriteParam(device, LMS7param(MAC), chan+1) < 0)
// {
// fprintf(stderr, "DeviceLimeSDR::setAntennaPath: cannot set channel to #%lu\n", chan);
// return false;
// }
//
// int sel_path_rfe = 0;
// switch ((PathRFE) path)
// {
// case PATH_RFE_NONE: sel_path_rfe = 0; break;
// case PATH_RFE_LNAH: sel_path_rfe = 1; break;
// case PATH_RFE_LNAL: sel_path_rfe = 2; break;
// case PATH_RFE_LNAW: sel_path_rfe = 3; break;
// case PATH_RFE_LB1: sel_path_rfe = 3; break;
// case PATH_RFE_LB2: sel_path_rfe = 2; break;
// }
//
// int pd_lna_rfe = 1;
// switch ((PathRFE) path)
// {
// case PATH_RFE_LNAH:
// case PATH_RFE_LNAL:
// case PATH_RFE_LNAW: pd_lna_rfe = 0; break;
// default: break;
// }
//
// int pd_rloopb_1_rfe = (path == (int) PATH_RFE_LB1) ? 0 : 1;
// int pd_rloopb_2_rfe = (path == (int) PATH_RFE_LB2) ? 0 : 1;
// int en_inshsw_l_rfe = (path == (int) PATH_RFE_LNAL ) ? 0 : 1;
// int en_inshsw_w_rfe = (path == (int) PATH_RFE_LNAW) ? 0 : 1;
// int en_inshsw_lb1_rfe = (path == (int) PATH_RFE_LB1) ? 0 : 1;
// int en_inshsw_lb2_rfe = (path == (int) PATH_RFE_LB2) ? 0 : 1;
//
// int ret = 0;
//
// ret += LMS_WriteParam(device, LMS7param(PD_LNA_RFE), pd_lna_rfe);
// ret += LMS_WriteParam(device, LMS7param(PD_RLOOPB_1_RFE), pd_rloopb_1_rfe);
// ret += LMS_WriteParam(device, LMS7param(PD_RLOOPB_2_RFE), pd_rloopb_2_rfe);
// ret += LMS_WriteParam(device, LMS7param(EN_INSHSW_LB1_RFE), en_inshsw_lb1_rfe);
// ret += LMS_WriteParam(device, LMS7param(EN_INSHSW_LB2_RFE), en_inshsw_lb2_rfe);
// ret += LMS_WriteParam(device, LMS7param(EN_INSHSW_L_RFE), en_inshsw_l_rfe);
// ret += LMS_WriteParam(device, LMS7param(EN_INSHSW_W_RFE), en_inshsw_w_rfe);
// ret += LMS_WriteParam(device, LMS7param(SEL_PATH_RFE), sel_path_rfe);
//
// if (ret < 0)
// {
// fprintf(stderr, "DeviceLimeSDR::setAntennaPath: cannot set channel #%lu to %d\n", chan, path);
// return false;
// }
//
// //enable/disable the loopback path
// const bool loopback = (path == (int) PATH_RFE_LB1) or (path == (int) PATH_RFE_LB2);
//
// if (LMS_WriteParam(device, LMS7param(EN_LOOPB_TXPAD_TRF), loopback ? 1 : 0) < 0)
// {
// fprintf(stderr, "DeviceLimeSDR::setAntennaPath: cannot %sset loopback on channel #%lu\n", loopback ? "" : "re", chan);
// return false;
// }
//
// //update external band-selection to match
// //this->UpdateExternalBandSelect();
//
// return true;
switch ((PathRxRFE) path)
{
case PATH_RFE_LNAH:
if (LMS_SetAntenna(device, LMS_CH_RX, chan, 1) < 0)
{
fprintf(stderr, "DeviceLimeSDR::setRxAntennaPath: cannot set to LNAH\n");
return false;
}
break;
case PATH_RFE_LNAL:
if (LMS_SetAntenna(device, LMS_CH_RX, chan, 2) < 0)
{
fprintf(stderr, "DeviceLimeSDR::setRxAntennaPath: cannot set to LNAL\n");
return false;
}
break;
case PATH_RFE_LNAW:
if (LMS_SetAntenna(device, LMS_CH_RX, chan, 3) < 0)
{
fprintf(stderr, "DeviceLimeSDR::setRxAntennaPath: cannot set to LNAW\n");
return false;
}
break;
case PATH_RFE_LB1:
if (LMS_SetAntenna(device, LMS_CH_TX, chan, 1) < 0)
{
fprintf(stderr, "DeviceLimeSDR::setRxAntennaPath: cannot set to Loopback TX1\n");
return false;
}
break;
case PATH_RFE_LB2:
if (LMS_SetAntenna(device, LMS_CH_TX, chan, 2) < 0)
{
fprintf(stderr, "DeviceLimeSDR::setRxAntennaPath: cannot set to Loopback TX2\n");
return false;
}
break;
case PATH_RFE_RX_NONE:
default:
if (LMS_SetAntenna(device, LMS_CH_RX, chan, 0) < 0)
{
fprintf(stderr, "DeviceLimeSDR::setRxAntennaPath: cannot set to none\n");
return false;
}
}
return true;
}
bool DeviceLimeSDR::setTxAntennaPath(lms_device_t *device, std::size_t chan, int path)
{
switch ((PathTxRFE) path)
{
case PATH_RFE_TXRF1:
if (LMS_SetAntenna(device, LMS_CH_TX, chan, 1) < 0)
{
fprintf(stderr, "DeviceLimeSDR::setTxAntennaPath: cannot set to TXRF1\n");
return false;
}
break;
case PATH_RFE_TXRF2:
if (LMS_SetAntenna(device, LMS_CH_TX, chan, 2) < 0)
{
fprintf(stderr, "DeviceLimeSDR::setTxAntennaPath: cannot set to TXRF2\n");
return false;
}
break;
case PATH_RFE_TX_NONE:
default:
if (LMS_SetAntenna(device, LMS_CH_TX, chan, 0) < 0)
{
fprintf(stderr, "DeviceLimeSDR::setTxAntennaPath: cannot set to none\n");
return false;
}
}
return true;
}
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