mirror of
https://github.com/f4exb/sdrangel.git
synced 2024-12-23 10:05:46 -05:00
176 lines
6.0 KiB
C++
176 lines
6.0 KiB
C++
///////////////////////////////////////////////////////////////////////////////////
|
|
// 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;
|
|
}
|
|
}
|
|
}
|
|
|
|
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;
|
|
}
|