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initial LMS7002M register configuration. modifications for lte-ue and rf_device to use LimeSDR.

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This commit is contained in:
Raymond Knopp
2017-01-28 17:32:16 -05:00
parent 2045a49313
commit afb60b8500
9 changed files with 4580 additions and 31 deletions
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targets/ARCH/LMSSDR/USERSPACE/LIB/lms_lib.cpp
+40 -18
View File
@@ -132,26 +132,37 @@ void set_rx_gain_offset(openair0_config_t *openair0_cfg, int chain_index) {
*/
int trx_lms_set_gains(openair0_device* device, openair0_config_t *openair0_cfg) {
int ret=0;
double rxg_ratio = openair0_cfg[0].rx_gain[0]/openair0_cfg[0].rx_gain_offset[0];
if (rxg_ratio > 1) {
printf("[LMS] Reduce RX Gain 0 by %f dB\n",openair0_cfg[0].rx_gain[0]-openair0_cfg[0].rx_gain_offset[0]);
ret = -1;
rxg_ratio = 1;
}
LMS_SetNormalizedGain(lms_device, LMS_CH_TX, 0, openair0_cfg[0].tx_gain[0]/100.0);
LMS_SetNormalizedGain(lms_device, LMS_CH_RX, 0, .8*rxg_ratio);
/*
// RX gains, use low-level setting
double gv = openair0_cfg[0].rx_gain[0] - openair0_cfg[0].rx_gain_offset[0];
if (gv > 31) {
printf("RX Gain 0 too high, reduce by %f dB\n",gv-31);
gv = 31;
gv = 31;
ret=-1;
}
if (gv < 0) {
printf("RX Gain 0 too low, increase by %f dB\n",-gv);
gv = 0;
gv = 0;
ret=-1;
}
printf("[LMS] Setting 7002M G_PGA_RBB to %d\n", (int16_t)gv);
LMS7002M lms7;
lms7.SetConnection(lms7.GetConnection());
lms7.Modify_SPI_Reg_bits(LMS7param(G_PGA_RBB),(int16_t)gv);
*/
return(0);
return(ret);
}
/*! \brief Start LMSSDR
@@ -163,7 +174,8 @@ int trx_lms_start(openair0_device *device){
lms_info_str_t list[16]={0};
int n= LMS_GetDeviceList(list);
int ret;
if (n <= 0) {
fprintf(stderr, "No LimeSDR board found: %s\n", n < 0?LMS_GetLastErrorMessage():"");
return -1;
@@ -212,9 +224,9 @@ int trx_lms_start(openair0_device *device){
}
printf("Set TX frequency %f MHz\n",device->openair0_cfg[0].tx_freq[0]/1e6);
printf("Override antenna settings to: RX1_H, TXA_2");
LMS_SetAntenna(lms_device, LMS_CH_RX, 0, 1);
LMS_SetAntenna(lms_device, LMS_CH_TX, 0, 2);
// printf("Override antenna settings to: RX1_H, TXA_2");
// LMS_SetAntenna(lms_device, LMS_CH_RX, 0, 1);
// LMS_SetAntenna(lms_device, LMS_CH_TX, 0, 2);
@@ -245,7 +257,7 @@ int trx_lms_start(openair0_device *device){
tx_stream.dataFmt = lms_stream_t::LMS_FMT_I12;
tx_stream.isTx = true;
trx_lms_set_gains(device, device->openair0_cfg);
if ((ret = trx_lms_set_gains(device, device->openair0_cfg))<0) return(-1);
if (LMS_SetupStream(lms_device, &tx_stream)!=0)
printf("TX stream setup failed %s\n",LMS_GetLastErrorMessage());
@@ -259,6 +271,7 @@ int trx_lms_start(openair0_device *device){
printf("Failed to start TX stream %s\n",LMS_GetLastErrorMessage());
if (LMS_StartStream(&tx_stream)!=0)
printf("Failed to start Rx stream %s\n",LMS_GetLastErrorMessage());
device->trx_started=1;
return 0;
}
@@ -272,6 +285,7 @@ int trx_lms_stop(openair0_device *device) {
LMS_DestroyStream(lms_device,&rx_stream);
LMS_DestroyStream(lms_device,&tx_stream);
LMS_Close(lms_device);
device->trx_started=0;
}
/*! \brief Set frequencies (TX/RX)
@@ -292,14 +306,22 @@ int trx_lms_set_freq(openair0_device* device, openair0_config_t *openair0_cfg,in
// 31 = 19 dB => 105 dB total gain @ 2.6 GHz
/*! \brief calibration table for LMSSDR */
// V1.2 board
rx_gain_calib_table_t calib_table_lmssdr_1v2[] = {
{3500000000.0,44.0}, // on L PAD
{2660000000.0,62.0}, // on L PAD
{2300000000.0,62.0}, // on L PAD
{1880000000.0,64.0}, // on L PAD
{816000000.0,79.0}, // on W PAD
{-1,0}};
// V1.4 board
rx_gain_calib_table_t calib_table_lmssdr[] = {
{3500000000.0,70.0},
{2660000000.0,80.0},
{2300000000.0,80.0},
{1880000000.0,74.0}, // on W PAD
{816000000.0,76.0}, // on W PAD
{3500000000.0,97.0}, // on H PAD
{2660000000.0,110.0}, // on H PAD
{2300000000.0,106.0}, // on H PAD
{1880000000.0,106.0}, // on H PAD
{816000000.0,102.0}, // on W PAD
{-1,0}};
@@ -332,7 +354,7 @@ int trx_lms_reset_stats(openair0_device* device) {
*/
void trx_lms_end(openair0_device *device) {
device->trx_started=0;
}
extern "C" {