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further RF configuration for SoDeRa

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This commit is contained in:
kaltenbe
2016-01-26 14:09:47 +01:00
parent 94029935c9
commit c9780626ed
1 changed files with 60 additions and 9 deletions
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targets/ARCH/SODERA/USERSPACE/LIB/sodera_lib.cpp
+60 -9
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@@ -354,7 +354,7 @@ int openair0_dev_init_sodera(openair0_device* device, openair0_config_t *openair
printf("Configuring LMS7002\n");
int bw_gain_adjust=0;
@@ -404,14 +404,65 @@ int openair0_dev_init_sodera(openair0_device* device, openair0_config_t *openair
printf("Failed to load configuration file %s\n",openair0_cfg[0].configFilename);
exit(-1);
}
/*
for(i=0;i<openair0_cfg[0].rx_num_channels;i++) {
s->usrp->set_rx_rate(openair0_cfg[0].sample_rate,i);
s->usrp->set_rx_bandwidth(openair0_cfg[0].rx_bw,i);
printf("Setting rx freq/gain on channel %lu/%lu : BW %f (readback %f)\n",i,s->usrp->get_rx_num_channels(),openair0_cfg[0].rx_bw/1e6,s->usrp->get_rx_bandwidth(i)/1e6);
s->usrp->set_rx_freq(openair0_cfg[0].rx_freq[i],i);
set_rx_gain_offset(&openair0_cfg[0],i,bw_gain_adjust);
opStatus = lmsControl.UploadAll();
if (opStatus != LIBLMS7_SUCCESS) {
printf("Failed to upload configuration file\n");
exit(-1);
}
opStatus = lmsControl.SetFrequencySX(LMS7002M::Tx, openair0_cfg[0].tx_freq[0]/1e6,30.72);
if (opStatus != LIBLMS7_SUCCESS) {
printf("Cannot set TX frequency %f MHz\n",openair0_cfg[0].tx_freq[0]/1e6);
exit(-1);
}
opStatus = lmsControl.SetFrequencySX(LMS7002M::Rx, openair0_cfg[0].rx_freq[0]/1e6,30.72);
if (opStatus != LIBLMS7_SUCCESS) {
printf("Cannot set RX frequency %f MHz\n",openair0_cfg[0].rx_freq[0]/1e6);
exit(-1);
}
// this makes RX/TX sampling rates equal
opStatus = lmsControl.Modify_SPI_Reg_bits(EN_ADCCLKH_CLKGN,0);
if (opStatus != LIBLMS7_SUCCESS) {
printf("Cannot modify SPI (EN_ADCCLKH_CLKGN)\n");
exit(-1);
}
opStatus = lmsControl.Modify_SPI_Reg_bits(CLKH_OV_CLKL_CGEN,2);
if (opStatus != LIBLMS7_SUCCESS) {
printf("Cannot modify SPI (CLKH_OV_CLKL_CGEN)\n");
exit(-1);
}
const float cgen_freq_MHz = 245.76;
const int interpolation = 0; // real interpolation = 2
const int decimation = 0; // real decimation = 2
opStatus = lmsControl.SetInterfaceFrequency(cgen_freq_MHz,interpolation,decimation);
if (opStatus != LIBLMS7_SUCCESS) {
printf("Cannot SetInterfaceFrequency (%f,%d,%d)\n",cgen_freq_MHz,interpolation,decimation);
exit(-1);
}
// Run calibration procedure
float txrx_calibrationBandwidth_MHz = 5;
opStatus = lmsControl.CalibrateTx(txrx_calibrationBandwidth_MHz);
if (opStatus != LIBLMS7_SUCCESS){
printf("TX Calibration failed\n");
exit(-1);
}
opStatus = lmsControl.CalibrateRx(txrx_calibrationBandwidth_MHz);
if (opStatus != LIBLMS7_SUCCESS){
printf("RX Calibration failed\n");
exit(-1);
}
// this will configure that sampling rate at output of FPGA
// LMS_StreamBoard::ConfigurePLL(&s->Port,openair0_cfg[0].sample_rate,openair0_cfg[0].sample_rate,90);
/*
::uhd::gain_range_t gain_range = s->usrp->get_rx_gain_range(i);
// limit to maximum gain
if (openair0_cfg[0].rx_gain[i]-openair0_cfg[0].rx_gain_offset[i] > gain_range.stop()) {
@@ -482,6 +533,6 @@ int openair0_dev_init_sodera(openair0_device* device, openair0_config_t *openair
s->sample_rate = openair0_cfg[0].sample_rate;
// TODO:
exit(-1);
return 0;
}