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Make USRP tune_offset configurable

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UHD documentation: "A tune request instructs the implementation how to
tune the RF chain."

This commit makes this configurable, from nr-softmodem, nr-uesoftmodem,
lte-softmodem, and lte-uesoftmodem.
This commit is contained in:
Robert Schmidt
2022-05-23 15:20:03 +02:00
parent 5bf454c78b
commit 9f6b7dc6b9
7 changed files with 45 additions and 17 deletions
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executables/nr-ru.c
+6 -3
View File
@@ -1049,11 +1049,12 @@ void fill_rf_config(RU_t *ru, char *rf_config_file) {
cfg->tx_gain[i] = ru->att_tx;
cfg->rx_gain[i] = ru->max_rxgain-ru->att_rx;
cfg->configFilename = rf_config_file;
LOG_I(PHY, "Channel %d: setting tx_gain offset %f, rx_gain offset %f, tx_freq %lu Hz, rx_freq %lu Hz\n",
LOG_I(PHY, "Channel %d: setting tx_gain offset %f, rx_gain offset %f, tx_freq %.0f Hz, rx_freq %.0f Hz, tune_offset %.0f Hz\n",
i, cfg->tx_gain[i],
cfg->rx_gain[i],
(unsigned long)cfg->tx_freq[i],
(unsigned long)cfg->rx_freq[i]);
cfg->tx_freq[i],
cfg->rx_freq[i],
cfg->tune_offset);
}
}
@@ -2051,6 +2052,8 @@ static void NRRCconfig_RU(void) {
RC.ru[j]->openair0_cfg.time_source = internal;
}
RC.ru[j]->openair0_cfg.tune_offset = get_softmodem_params()->tune_offset;
if (strcmp(*(RUParamList.paramarray[j][RU_LOCAL_RF_IDX].strptr), "yes") == 0) {
if ( !(config_isparamset(RUParamList.paramarray[j],RU_LOCAL_IF_NAME_IDX)) ) {
RC.ru[j]->if_south = LOCAL_RF;
executables/nr-uesoftmodem.c
+1
View File
@@ -354,6 +354,7 @@ void init_openair0(void) {
openair0_cfg[card].num_rb_dl = frame_parms->N_RB_DL;
openair0_cfg[card].clock_source = get_softmodem_params()->clock_source;
openair0_cfg[card].time_source = get_softmodem_params()->timing_source;
openair0_cfg[card].tune_offset = get_softmodem_params()->tune_offset;
openair0_cfg[card].tx_num_channels = min(4, frame_parms->nb_antennas_tx);
openair0_cfg[card].rx_num_channels = min(4, frame_parms->nb_antennas_rx);
executables/softmodem-common.h
+4
View File
@@ -60,6 +60,7 @@ extern "C"
#define CONFIG_HLP_DMRSSYNC "tells RU to insert DMRS in subframe 1 slot 0"
#define CONFIG_HLP_CLK "tells hardware to use a clock reference (0:internal, 1:external, 2:gpsdo)\n"
#define CONFIG_HLP_TME "tells hardware to use a time reference (0:internal, 1:external, 2:gpsdo)\n"
#define CONFIG_HLP_TUNE_OFFSET "LO tuning offset to use in Hz\n"
#define CONFIG_HLP_USIM "use XOR autentication algo in case of test usim mode\n"
#define CONFIG_HLP_NOSNGLT "Disables single-thread mode in lte-softmodem\n"
#define CONFIG_HLP_DLF "Set the downlink frequency for all component carriers\n"
@@ -118,6 +119,7 @@ extern "C"
#define EMULATE_RF softmodem_params.emulate_rf
#define CLOCK_SOURCE softmodem_params.clock_source
#define TIMING_SOURCE softmodem_params.timing_source
#define TUNE_OFFSET softmodem_params.tune_offset
#define SEND_DMRSSYNC softmodem_params.send_dmrs_sync
#define USIM_TEST softmodem_params.usim_test
#define PRB_INTERPOLATION softmodem_params.prb_interpolation
@@ -141,6 +143,7 @@ extern int usrp_tx_thread;
{"usim-test", CONFIG_HLP_USIM, PARAMFLAG_BOOL, u8ptr:&USIM_TEST, defintval:0, TYPE_UINT8, 0}, \
{"clock-source", CONFIG_HLP_CLK, 0, uptr:&CLOCK_SOURCE, defintval:0, TYPE_UINT, 0}, \
{"time-source", CONFIG_HLP_TME, 0, uptr:&TIMING_SOURCE, defintval:0, TYPE_UINT, 0}, \
{"tune-offset", CONFIG_HLP_TUNE_OFFSET, 0, dblptr:&TUNE_OFFSET, defintval:0, TYPE_DOUBLE, 0}, \
{"wait-for-sync", NULL, PARAMFLAG_BOOL, iptr:&WAIT_FOR_SYNC, defintval:0, TYPE_INT, 0}, \
{"single-thread-enable", CONFIG_HLP_NOSNGLT, PARAMFLAG_BOOL, iptr:&SINGLE_THREAD_FLAG, defintval:0, TYPE_INT, 0}, \
{"C" , CONFIG_HLP_DLF, 0, u64ptr:&(downlink_frequency[0][0]), defuintval:0, TYPE_UINT64, 0}, \
@@ -245,6 +248,7 @@ typedef struct {
int band;
uint32_t clock_source;
uint32_t timing_source;
double tune_offset;
int hw_timing_advance;
uint32_t send_dmrs_sync;
int prb_interpolation;