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OpenXG-RAN
Commit fb75c980 authored by Rohit Gupta's avatar Rohit Gupta
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Merge branch 'feature-42-doxygen' into develop

parents 3b7fde94 6bb5ed5c
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Showing with 123 additions and 510 deletions
openair1/PHY/impl_defs_top.h
View file @ fb75c980
......@@ -50,6 +50,7 @@
* @defgroup _GENERIC_PHY_RF_INTERFACE_ Generic PHY - RF Interface
* @defgroup _USRP_PHY_RF_INTERFACE_ PHY - USRP RF Interface
* @defgroup _BLADERF_PHY_RF_INTERFACE_ PHY - BLADERF RF Interface
* @defgroup _LMSSDR_PHY_RF_INTERFACE_ PHY - LMSSDR RF Interface
* @}
*
* @ingroup _ref_implementation_
......
openair1/SCHED/phy_mac_stub.c
View file @ fb75c980
......@@ -51,7 +51,6 @@
void fill_dci(DCI_PDU *DCI_pdu, uint8_t sched_subframe, PHY_VARS_eNB *phy_vars_eNB)
{
int i;
//uint8_t cooperation_flag = phy_vars_eNB->cooperation_flag;
uint8_t transmission_mode = phy_vars_eNB->transmission_mode[0];
......@@ -583,7 +582,6 @@ void fill_dci(DCI_PDU *DCI_pdu, uint8_t sched_subframe, PHY_VARS_eNB *phy_vars_e
void fill_dci_emos(DCI_PDU *DCI_pdu, uint8_t subframe, PHY_VARS_eNB *phy_vars_eNB)
{
int i;
//uint8_t cooperation_flag = phy_vars_eNB->cooperation_flag;
uint8_t transmission_mode = phy_vars_eNB->transmission_mode[0];
......
targets/ARCH/BLADERF/USERSPACE/LIB/bladerf_lib.c
View file @ fb75c980
......@@ -37,6 +37,7 @@
#include <stdlib.h>
#include <inttypes.h>
#include "bladerf_lib.h"
#include "math.h"
/** @addtogroup _BLADERF_PHY_RF_INTERFACE_
* @{
......@@ -58,14 +59,16 @@ int num_devices=0;
/*! \brief BladeRF Init function (not used at the moment)
* \param device RF frontend parameters set by application
* \returns 0 on success
*/
int trx_brf_init(openair0_device *device) {
return 0;
}
/*! \brief get current timestamp
*\param device the hardware to use
*\param module the bladeRf module
*\returns timestamp of BladeRF
*/
openair0_timestamp trx_get_timestamp(openair0_device *device, bladerf_module module) {
......@@ -83,28 +86,22 @@ openair0_timestamp trx_get_timestamp(openair0_device *device, bladerf_module mod
}
/*! \brief Start BladeRF
*\param device the hardware to use
* \param device the hardware to use
* \returns 0 on success
*/
int trx_brf_start(openair0_device *device) {
return 0;
}
/*! \brief Get BladeRF stats
*\param device the hardware to use
*/
static void trx_brf_stats(openair0_device *device){
}
/*! \brief Called to send samples to the BladeRF RF target
@param device pointer to the device structure specific to the RF hardware target
@param timestamp The timestamp at whicch the first sample MUST be sent
@param buff Buffer which holds the samples
@param nsamps number of samples to be sent
@param cc index of the component carrier
@param flags Ignored for the moment
\param device pointer to the device structure specific to the RF hardware target
\param timestamp The timestamp at whicch the first sample MUST be sent
\param buff Buffer which holds the samples
\param nsamps number of samples to be sent
\param cc index of the component carrier
\param flags Ignored for the moment
\returns 0 on success
*/
static int trx_brf_write(openair0_device *device,openair0_timestamp ptimestamp, void **buff, int nsamps, int cc, int flags) {
......@@ -156,6 +153,7 @@ static int trx_brf_write(openair0_device *device,openair0_timestamp ptimestamp,
* \param[out] buff An array of pointers to buffers for received samples. The buffers must be large enough to hold the number of samples \ref nsamps.
* \param nsamps Number of samples. One sample is 2 byte I + 2 byte Q => 4 byte.
* \param cc Index of component carrier
* \returns number of samples read
*/
static int trx_brf_read(openair0_device *device, openair0_timestamp *ptimestamp, void **buff, int nsamps, int cc) {
......@@ -176,9 +174,10 @@ static int trx_brf_read(openair0_device *device, openair0_timestamp *ptimestamp,
brf->num_rx_errors++;
} else if ( brf->meta_rx.status & BLADERF_META_STATUS_OVERRUN) {
brf->num_overflows++;
printf("RX overrun (%d) is detected. t=%u. Got %u samples. nsymps %d\n",
printf("RX overrun (%d) is detected. t=" "%" PRIu64 "Got %u samples. nsymps %d\n",
brf->num_overflows,brf->meta_rx.timestamp, brf->meta_rx.actual_count, nsamps);
}
//printf("Current RX timestampe %u\n", brf->meta_rx.timestamp);
//printf("[BRF] (buff %p) ts=0x%"PRIu64" %s\n",samples, brf->meta_rx.timestamp,bladerf_strerror(status));
brf->rx_current_ts=brf->meta_rx.timestamp;
......@@ -196,7 +195,7 @@ static int trx_brf_read(openair0_device *device, openair0_timestamp *ptimestamp,
/*! \brief Terminate operation of the BladeRF transceiver -- free all associated resources
* \param device the hardware to use
*/
int trx_brf_end(openair0_device *device) {
void trx_brf_end(openair0_device *device) {
int status;
brf_state_t *brf = (brf_state_t*)device->priv;
......@@ -208,7 +207,6 @@ int trx_brf_end(openair0_device *device) {
fprintf(stderr, "Failed to disable TX module: %s\n", bladerf_strerror(status));
}
bladerf_close(brf->dev);
return 0;
}
/*! \brief print the BladeRF statistics
......@@ -231,10 +229,11 @@ int trx_brf_reset_stats(openair0_device* device) {
}
/*! \brief Stop USRP
* \param device the hardware to use
/*! \brief Stop BladeRF
* \param card the hardware to use
* \returns 0 in success
*/
int trx_brf_stop(openair0_device* device) {
int trx_brf_stop(int card) {
return(0);
......@@ -242,9 +241,11 @@ int trx_brf_stop(openair0_device* device) {
/*! \brief Set frequencies (TX/RX)
* \param device the hardware to use
* \param openair0_cfg1 openair0 Config structure (ignored. It is there to comply with RF common API)
* \param exmimo_dump_config (ignored)
* \returns 0 in success
*/
int trx_brf_set_freq(openair0_device* device) {
int trx_brf_set_freq(openair0_device* device, openair0_config_t *openair0_cfg1,int exmimo_dump_config) {
int status;
brf_state_t *brf = (brf_state_t *)device->priv;
......@@ -269,9 +270,10 @@ int trx_brf_set_freq(openair0_device* device) {
/*! \brief Set Gains (TX/RX)
* \param device the hardware to use
* \param openair0_cfg openair0 Config structure
* \returns 0 in success
*/
int trx_brf_set_gains(openair0_device* device) {
int trx_brf_set_gains(openair0_device* device, openair0_config_t *openair0_cfg) {
return(0);
......@@ -283,12 +285,17 @@ int trx_brf_set_gains(openair0_device* device) {
int16_t cos_fsover8[8] = {2047, 1447, 0, -1448, -2047, -1448, 0, 1447};
int16_t cos_3fsover8[8] = {2047, -1448, 0, 1447, -2047, 1447, 0, -1448};
/*! \brief calibration table for BladeRF */
rx_gain_calib_table_t calib_table_fx4[] = {
{2300000000.0,53.5},
{1880000000.0,57.0},
{816000000.0,73.0},
{-1,0}};
/*! \brief set RX gain offset from calibration table
* \param openair0_cfg RF frontend parameters set by application
* \param chain_index RF chain ID
*/
void set_rx_gain_offset(openair0_config_t *openair0_cfg, int chain_index) {
int i=0;
......@@ -310,6 +317,9 @@ void set_rx_gain_offset(openair0_config_t *openair0_cfg, int chain_index) {
}
/*! \brief Calibrate LMSSDR RF
* \param device the hardware to use
*/
void calibrate_rf(openair0_device *device) {
......@@ -885,11 +895,10 @@ void calibrate_rf(openair0_device *device) {
/*! \brief Initialize Openair BLADERF target. It returns 0 if OK
* \param device the hardware to use
* \param openair0_cfg RF frontend parameters set by application
* \returns 0 on success
*/
int device_init(openair0_device *device, openair0_config_t *openair0_cfg) {
int status;
int card=0;
brf_state_t *brf = (brf_state_t*)malloc(sizeof(brf_state_t));
memset(brf, 0, sizeof(brf_state_t));
/* device specific */
......@@ -1063,8 +1072,6 @@ int device_init(openair0_device *device, openair0_config_t *openair0_cfg) {
}else
printf("[BRF] RX module calibrated DC \n");
bladerf_log_set_verbosity(get_brf_log_level(openair0_cfg->log_level));
printf("BLADERF: Initializing openair0_device\n");
......@@ -1091,16 +1098,18 @@ int device_init(openair0_device *device, openair0_config_t *openair0_cfg) {
/*! \brief bladeRF error report
* \param status
* \returns 0 on success
*/
int brf_error(int status) {
//exit(-1);
//return 1; // or status error code
return status; // or status error code
}
/*! \brief Open BladeRF from serial port
* \param serial name of serial port on which to open BladeRF device
* \returns bladerf device structure
*/
struct bladerf * open_bladerf_from_serial(const char *serial) {
......@@ -1131,6 +1140,7 @@ struct bladerf * open_bladerf_from_serial(const char *serial) {
/*! \brief Get BladeRF log level
* \param log_level log level
* \returns log level of BLADERF device
*/
int get_brf_log_level(int log_level){
......
targets/ARCH/BLADERF/USERSPACE/LIB/bladerf_lib.h
View file @ fb75c980
......@@ -106,6 +106,27 @@ typedef struct {
/*
* func prototypes
*/
/*! \brief BladeRF Init function (not used at the moment)
* \param device RF frontend parameters set by application
*/
int trx_brf_init(openair0_device *device);
/*! \brief get current timestamp
*\param device the hardware to use
*\param module the bladeRf module
*/
openair0_timestamp trx_get_timestamp(openair0_device *device, bladerf_module module);
/*! \brief Get BladeRF log level
* \param log_level log level
* \returns log level of BLADERF device
*/
int get_brf_log_level(int log_level);
/*! \brief bladeRF error report
* \param status
* \returns 0 on success
*/
int brf_error(int status);
/*@}*/
targets/ARCH/LMSSDR/USERSPACE/LIB/lms_lib.cpp
View file @ fb75c980
......@@ -49,6 +49,9 @@
#include <cmath>
/** @addtogroup _LMSSDR_PHY_RF_INTERFACE_
* @{
*/
///define for parameter enumeration if prefix might be needed
#define LMS7param(id) id
......@@ -69,6 +72,15 @@ extern "C"
int write_output(const char *fname,const char *vname,void *data,int length,int dec,char format);
}
/*! \brief Called to send samples to the LMSSDR RF target
\param device pointer to the device structure specific to the RF hardware target
\param timestamp The timestamp at whicch the first sample MUST be sent
\param buff Buffer which holds the samples
\param nsamps number of samples to be sent
\param antenna_id index of the antenna
\param flags Ignored for the moment
\returns 0 on success
*/
int trx_lms_write(openair0_device *device, openair0_timestamp timestamp, void **buff, int nsamps, int antenna_id, int flags) {
LMS_TRxWrite((int16_t*)buff[0], nsamps,0, timestamp);
......@@ -76,7 +88,17 @@ int trx_lms_write(openair0_device *device, openair0_timestamp timestamp, void **
return nsamps;
}
/*! \brief Receive samples from hardware.
* Read \ref nsamps samples from each channel to buffers. buff[0] is the array for
* the first channel. *ptimestamp is the time at which the first sample
* was received.
* \param device the hardware to use
* \param[out] ptimestamp the time at which the first sample was received.
* \param[out] buff An array of pointers to buffers for received samples. The buffers must be large enough to hold the number of samples \ref nsamps.
* \param nsamps Number of samples. One sample is 2 byte I + 2 byte Q => 4 byte.
* \param antenna_id Index of antenna port
* \returns number of samples read
*/
int trx_lms_read(openair0_device *device, openair0_timestamp *ptimestamp, void **buff, int nsamps, int antenna_id) {
uint64_t timestamp;
......@@ -87,6 +109,11 @@ int trx_lms_read(openair0_device *device, openair0_timestamp *ptimestamp, void *
return ret;
}
/*! \brief set RX gain offset from calibration table
* \param openair0_cfg RF frontend parameters set by application
* \param chain_index RF chain ID
*/
void set_rx_gain_offset(openair0_config_t *openair0_cfg, int chain_index) {
int i=0;
......@@ -107,469 +134,12 @@ void set_rx_gain_offset(openair0_config_t *openair0_cfg, int chain_index) {
}
}
/*
void calibrate_rf(openair0_device *device) {
openair0_timestamp ptimestamp;
int16_t *calib_buffp,*calib_tx_buffp;
int16_t calib_buff[2*RXDCLENGTH];
int16_t calib_tx_buff[2*RXDCLENGTH];
int i,j;
int8_t offI,offQ,offIold,offQold,offInew,offQnew,offphase,offphaseold,offphasenew,offgain,offgainold,offgainnew;
int32_t meanI,meanQ,meanIold,meanQold;
int cnt=0,loop;
liblms7_status opStatus;
int16_t dcoffi;
int16_t dcoffq;
int16_t dccorri;
int16_t dccorrq;
const int16_t firCoefs[] =
{
-2531,
-517,
2708,
188,
-3059,
216,
3569,
-770,
-4199,
1541,
4886,
-2577,
-5552,
3909,
6108,
-5537,
-6457,
7440,
6507,
-9566,
-6174,
11845,
5391,
-14179,
-4110,
16457,
2310,
-18561,
0,
20369,
-2780,
-21752,
5963,
22610,
-9456,
-22859,
13127,
22444,
-16854,
-21319,
20489,
19492,
-23883,
-17002,
26881,
13902,
-29372,
-10313,
31226,
6345,
-32380,
-2141,
32767,
-2141,
-32380,
6345,
31226,
-10313,
-29372,
13902,
26881,
-17002,
-23883,
19492,
20489,
-21319,
-16854,
22444,
13127,
-22859,
-9456,
22610,
5963,
-21752,
-2780,
20369,
0,
-18561,
2310,
16457,
-4110,
-14179,
5391,
11845,
-6174,
-9566,
6507,
7440,
-6457,
-5537,
6108,
3909,
-5552,
-2577,
4886,
1541,
-4199,
-770,
3569,
216,
-3059,
188,
2708,
-517,
-2531
};
j=0;
for (i=0;i<RXDCLENGTH;i++) {
calib_tx_buff[j++] = cos_fsover8[i&7];
calib_tx_buff[j++] = cos_fsover8[(i+6)&7]; // sin
}
calib_buffp = &calib_buff[0];
calib_tx_buffp = &calib_tx_buff[0];
lms7->BackupAllRegisters();
uint8_t ch = (uint8_t)lms7->Get_SPI_Reg_bits(LMS7param(MAC));
//Stage 1
uint8_t sel_band1_trf = (uint8_t)lms7->Get_SPI_Reg_bits(LMS7param(SEL_BAND1_TRF));
uint8_t sel_band2_trf = (uint8_t)lms7->Get_SPI_Reg_bits(LMS7param(SEL_BAND2_TRF));
{
uint16_t requiredRegs[] = { 0x0400, 0x040A, 0x010D, 0x040C };
uint16_t requiredMask[] = { 0x6000, 0x3007, 0x0040, 0x00FF }; //CAPSEL, AGC_MODE, AGC_AVG, EN_DCOFF, Bypasses
uint16_t requiredValue[] = { 0x0000, 0x1007, 0x0040, 0x00BD };
lms7->Modify_SPI_Reg_mask(requiredRegs, requiredMask, requiredValue, 0, 3);
}
// opStatus = lms7->SetFrequencySX(LMS7002M::Rx, device->openair0_cfg[0].tx_freq[0]/1e6,30.72);
// put TX on fs/4
opStatus = lms7->CalibrateRxSetup(device->openair0_cfg[0].sample_rate/1e6);
if (opStatus != LIBLMS7_SUCCESS) {
printf("Cannot calibrate for %f MHz\n",device->openair0_cfg[0].sample_rate/1e6);
exit(-1);
}
// fill TX buffer with fs/8 complex sinusoid
offIold=offQold=64;
lms7->SetRxDCOFF(offIold,offQold);
LMS_RxStart();
for (i=0;i<NUMBUFF;i++)
trx_lms_read(device, &ptimestamp, (void **)&calib_buffp, RXDCLENGTH, 0);
for (meanIold=meanQold=i=j=0;i<RXDCLENGTH;i++) {
meanIold+=calib_buff[j++];
meanQold+=calib_buff[j++];
}
meanIold/=RXDCLENGTH;
meanQold/=RXDCLENGTH;
printf("[LMS] RX DC: (%d,%d) => (%d,%d)\n",offIold,offQold,meanIold,meanQold);
offI=offQ=-64;
lms7->SetRxDCOFF(offI,offQ);
for (i=0;i<NUMBUFF;i++)
trx_lms_read(device, &ptimestamp, (void **)&calib_buffp, RXDCLENGTH, 0);
for (meanI=meanQ=i=j=0;i<RXDCLENGTH;i++) {
meanI+=calib_buff[j++];
meanQ+=calib_buff[j++];
}
meanI/=RXDCLENGTH;
meanQ/=RXDCLENGTH;
printf("[LMS] RX DC: (%d,%d) => (%d,%d)\n",offI,offQ,meanI,meanQ);
while (cnt++ < 7) {
offInew=(offIold+offI)>>1;
offQnew=(offQold+offQ)>>1;
if (meanI*meanI < meanIold*meanIold) {
meanIold = meanI;
offIold = offI;
printf("[LMS] *** RX DC: offI %d => %d\n",offIold,meanI);
}
if (meanQ*meanQ < meanQold*meanQold) {
meanQold = meanQ;
offQold = offQ;
printf("[LMS] *** RX DC: offQ %d => %d\n",offQold,meanQ);
}
offI = offInew;
offQ = offQnew;
lms7->SetRxDCOFF(offI,offQ);
for (i=0;i<NUMBUFF;i++)
trx_lms_read(device, &ptimestamp, (void **)&calib_buffp, RXDCLENGTH, 0);
for (meanI=meanQ=i=j=0;i<RXDCLENGTH;i++) {
meanI+=calib_buff[j++];
meanQ+=calib_buff[j++];
}
meanI/=RXDCLENGTH;
meanQ/=RXDCLENGTH;
printf("[LMS] RX DC: (%d,%d) => (%d,%d)\n",offI,offQ,meanI,meanQ);
}
if (meanI*meanI < meanIold*meanIold) {
meanIold = meanI;
offIold = offI;
printf("[LMS] *** RX DC: offI %d => %d\n",offIold,meanI);
}
if (meanQ*meanQ < meanQold*meanQold) {
meanQold = meanQ;
offQold = offQ;
printf("[LMS] *** RX DC: offQ %d => %d\n",offQold,meanQ);
}
printf("[LMS] RX DC: (%d,%d) => (%d,%d)\n",offIold,offQold,meanIold,meanQold);
lms7->SetRxDCOFF(offIold,offQold);
dcoffi = offIold;
dcoffq = offQold;
lms7->Modify_SPI_Reg_bits(LMS7param(MAC), ch);
lms7->Modify_SPI_Reg_bits(LMS7param(AGC_MODE_RXTSP), 1);
lms7->Modify_SPI_Reg_bits(LMS7param(CAPSEL), 0);
// TX LO leakage
offQold=offIold=127;
lms7->SPI_write(0x0204,(((int16_t)offIold)<<7)|offQold);
{
uint16_t requiredRegs[] = { 0x0400, 0x040A, 0x010D, 0x040C };
uint16_t requiredMask[] = { 0x6000, 0x3007, 0x0040, 0x00FF }; //CAPSEL, AGC_MODE, AGC_AVG, EN_DCOFF, Bypasses
uint16_t requiredValue[] = { 0x0000, 0x1007, 0x0040, 0x00BD };
lms7->Modify_SPI_Reg_mask(requiredRegs, requiredMask, requiredValue, 0, 3);
}
sel_band1_trf = (uint8_t)lms7->Get_SPI_Reg_bits(LMS7param(SEL_BAND1_TRF));
sel_band2_trf = (uint8_t)lms7->Get_SPI_Reg_bits(LMS7param(SEL_BAND2_TRF));
//B
lms7->Modify_SPI_Reg_bits(0x0100, 0, 0, 1); //EN_G_TRF 1
if (sel_band1_trf == 1)
{
lms7->Modify_SPI_Reg_bits(LMS7param(PD_RLOOPB_1_RFE), 0); //PD_RLOOPB_1_RFE 0
lms7->Modify_SPI_Reg_bits(LMS7param(EN_INSHSW_LB1_RFE), 0); //EN_INSHSW_LB1 0
}
if (sel_band2_trf == 1)
{
lms7->Modify_SPI_Reg_bits(LMS7param(PD_RLOOPB_2_RFE), 0); //PD_RLOOPB_2_RFE 0
lms7->Modify_SPI_Reg_bits(LMS7param(EN_INSHSW_LB2_RFE), 0); // EN_INSHSW_LB2 0
}
// FixRXSaturation();
lms7->Modify_SPI_Reg_bits(LMS7param(GFIR3_BYP_RXTSP), 0); //GFIR3_BYP 0
lms7->Modify_SPI_Reg_bits(LMS7param(HBD_OVR_RXTSP), 2);
lms7->Modify_SPI_Reg_bits(LMS7param(GFIR3_L_RXTSP), 7);
lms7->Modify_SPI_Reg_bits(LMS7param(GFIR3_N_RXTSP), 7);
lms7->SetGFIRCoefficients(LMS7002M::Rx, 2, firCoefs, sizeof(firCoefs) / sizeof(int16_t));
for (i=0;i<NUMBUFF;i++) {
trx_lms_read(device, &ptimestamp, (void **)&calib_buffp, RXDCLENGTH, 0);
trx_lms_write(device,ptimestamp+5*RXDCLENGTH, (void **)&calib_tx_buffp, RXDCLENGTH, 0, 0);
}
write_output("calibrx.m","rxs",calib_buffp,RXDCLENGTH,1,1);
exit(-1);
for (meanIold=meanQold=i=j=0;i<RXDCLENGTH;i++) {
switch (i&3) {
case 0:
meanIold+=calib_buff[j++];
break;
case 1:
meanQold+=calib_buff[j++];
break;
case 2:
meanIold-=calib_buff[j++];
break;
case 3:
meanQold-=calib_buff[j++];
break;
}
}
// meanIold/=RXDCLENGTH;
// meanQold/=RXDCLENGTH;
printf("[LMS] TX DC (offI): %d => (%d,%d)\n",offIold,meanIold,meanQold);
offI=-128;
lms7->SPI_write(0x0204,(((int16_t)offI)<<7)|offQold);
for (i=0;i<NUMBUFF;i++) {
trx_lms_read(device, &ptimestamp, (void **)&calib_buffp, RXDCLENGTH, 0);
trx_lms_write(device,ptimestamp+5*RXDCLENGTH, (void **)&calib_tx_buffp, RXDCLENGTH, 0, 0);
}
for (meanI=meanQ=i=j=0;i<RXDCLENGTH;i++) {
switch (i&3) {
case 0:
meanI+=calib_buff[j++];
break;
case 1:
meanQ+=calib_buff[j++];
break;
case 2:
meanI-=calib_buff[j++];
break;
case 3:
meanQ-=calib_buff[j++];
break;
}
}
// meanI/=RXDCLENGTH;
// meanQ/=RXDCLENGTH;
printf("[LMS] TX DC (offI): %d => (%d,%d)\n",offI,meanI,meanQ);
cnt = 0;
while (cnt++ < 8) {
offInew=(offIold+offI)>>1;
if (meanI*meanI+meanQ*meanQ < meanIold*meanIold +meanQold*meanQold) {
printf("[LMS] TX DC (offI): ([%d,%d]) => %d : %d\n",offIold,offI,offInew,meanI*meanI+meanQ*meanQ);
meanIold = meanI;
meanQold = meanQ;
offIold = offI;
}
offI = offInew;
lms7->SPI_write(0x0204,(((int16_t)offI)<<7)|offQold);
for (i=0;i<NUMBUFF;i++) {
trx_lms_read(device, &ptimestamp, (void **)&calib_buffp, RXDCLENGTH, 0);
trx_lms_write(device,ptimestamp+5*RXDCLENGTH, (void **)&calib_tx_buffp, RXDCLENGTH, 0, 0);
}
for (meanI=meanQ=i=j=0;i<RXDCLENGTH;i++) {
switch (i&3) {
case 0:
meanI+=calib_buff[j++];
break;
case 1:
meanQ+=calib_buff[j++];
break;
case 2:
meanI-=calib_buff[j++];
break;
case 3:
meanQ-=calib_buff[j++];
break;
}
}
// meanI/=RXDCLENGTH;
// meanQ/=RXDCLENGTH;
// printf("[LMS] TX DC (offI): %d => (%d,%d)\n",offI,meanI,meanQ);
}
if (meanI*meanI+meanQ*meanQ < meanIold*meanIold +meanQold*meanQold) {
printf("[LMS] TX DC (offI): ([%d,%d]) => %d : %d\n",offIold,offI,offInew,meanI*meanI+meanQ*meanQ);
meanIold = meanI;
meanQold = meanQ;
offIold = offI;
}
offQ=-128;
lms7->SPI_write(0x0204,(((int16_t)offIold)<<7)|offQ);
for (i=0;i<NUMBUFF;i++) {
trx_lms_read(device, &ptimestamp, (void **)&calib_buffp, RXDCLENGTH, 0);
trx_lms_write(device,ptimestamp+5*RXDCLENGTH, (void **)&calib_tx_buffp, RXDCLENGTH, 0, 0);
}
for (meanI=meanQ=i=j=0;i<RXDCLENGTH;i++) {
switch (i&3) {
case 0:
meanI+=calib_buff[j++];
break;
case 1:
meanQ+=calib_buff[j++];
break;
case 2:
meanI-=calib_buff[j++];
break;
case 3:
meanQ-=calib_buff[j++];
break;
}
}
// meanI/=RXDCLENGTH;
// meanQ/=RXDCLENGTH;
printf("[LMS] TX DC (offQ): %d => (%d,%d)\n",offQ,meanI,meanQ);
cnt=0;
while (cnt++ < 8) {
offQnew=(offQold+offQ)>>1;
if (meanI*meanI+meanQ*meanQ < meanIold*meanIold +meanQold*meanQold) {
printf("[LMS] TX DC (offQ): ([%d,%d]) => %d : %d\n",offQold,offQ,offQnew,meanI*meanI+meanQ*meanQ);
meanIold = meanI;
meanQold = meanQ;
offQold = offQ;
}
offQ = offQnew;
lms7->SPI_write(0x0204,(((int16_t)offIold)<<7)|offQ);
for (i=0;i<NUMBUFF;i++) {
trx_lms_read(device, &ptimestamp, (void **)&calib_buffp, RXDCLENGTH, 0);
trx_lms_write(device,ptimestamp+5*RXDCLENGTH, (void **)&calib_tx_buffp, RXDCLENGTH, 0, 0);
}
for (meanI=meanQ=i=j=0;i<RXDCLENGTH;i++) {
switch (i&3) {
case 0:
meanI+=calib_buff[j++];
break;
case 1:
meanQ+=calib_buff[j++];
break;
case 2:
meanI-=calib_buff[j++];
break;
case 3:
meanQ-=calib_buff[j++];
break;
}
}
// meanI/=RXDCLENGTH;
// meanQ/=RXDCLENGTH;
// printf("[LMS] TX DC (offQ): %d => (%d,%d)\n",offQ,meanI,meanQ);
}
LMS_RxStop();
printf("[LMS] TX DC: (%d,%d) => (%d,%d)\n",offIold,offQold,meanIold,meanQold);
dccorri = offIold;
dccorrq = offQold;
lms7->RestoreAllRegisters();
lms7->Modify_SPI_Reg_bits(LMS7param(MAC), ch);
lms7->Modify_SPI_Reg_bits(LMS7param(DCOFFI_RFE), dcoffi);
lms7->Modify_SPI_Reg_bits(LMS7param(DCOFFQ_RFE), dcoffq);
lms7->Modify_SPI_Reg_bits(LMS7param(DCCORRI_TXTSP), dccorri);
lms7->Modify_SPI_Reg_bits(LMS7param(DCCORRQ_TXTSP), dccorrq);
// lms7->Modify_SPI_Reg_bits(LMS7param(GCORRI_TXTSP), gcorri);
// lms7->Modify_SPI_Reg_bits(LMS7param(GCORRQ_TXTSP), gcorrq);
// lms7->Modify_SPI_Reg_bits(LMS7param(IQCORR_TXTSP), iqcorr);
// lms7->Modify_SPI_Reg_bits(LMS7param(DC_BYP_TXTSP), 0); //DC_BYP
lms7->Modify_SPI_Reg_bits(0x0208, 1, 0, 0); //GC_BYP PH_BYP
}
*/
/*! \brief Set Gains (TX/RX) on LMSSDR
* \param device the hardware to use
* \param openair0_cfg openair0 Config structure
* \returns 0 in success
*/
int trx_lms_set_gains(openair0_device* device, openair0_config_t *openair0_cfg) {
......@@ -589,6 +159,10 @@ int trx_lms_set_gains(openair0_device* device, openair0_config_t *openair0_cfg)
return(0);
}
/*! \brief Start LMSSDR
* \param device the hardware to use
* \returns 0 on success
*/
int trx_lms_start(openair0_device *device){
......@@ -746,7 +320,10 @@ int trx_lms_start(openair0_device *device){
return 0;
}
/*! \brief Stop LMSSDR
* \param card Index of the RF card to use
* \returns 0 on success
*/
int trx_lms_stop(int card) {
/*
LMS_DeviceClose(usbport);
......@@ -756,6 +333,12 @@ int trx_lms_stop(int card) {
*/
}
/*! \brief Set frequencies (TX/RX)
* \param device the hardware to use
* \param openair0_cfg openair0 Config structure (ignored. It is there to comply with RF common API)
* \param exmimo_dump_config (ignored)
* \returns 0 in success
*/
int trx_lms_set_freq(openair0_device* device, openair0_config_t *openair0_cfg,int exmimo_dump_config) {
//Control port must be connected
......@@ -768,6 +351,7 @@ 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 */
rx_gain_calib_table_t calib_table_sodera[] = {
{3500000000.0,70.0},
{2660000000.0,80.0},
......@@ -780,33 +364,30 @@ rx_gain_calib_table_t calib_table_sodera[] = {
/*! \brief Get LMSSDR Statistics
* \param device the hardware to use
* \returns 0 in success
*/
int trx_lms_get_stats(openair0_device* device) {
return(0);
}
/*! \brief Reset LMSSDR Statistics
* \param device the hardware to use
* \returns 0 in success
*/
int trx_lms_reset_stats(openair0_device* device) {
return(0);
}
int openair0_set_gains(openair0_device* device,
openair0_config_t *openair0_cfg) {
return(0);
}
int openair0_set_frequencies(openair0_device* device, openair0_config_t *openair0_cfg, int dummy) {
return(0);
}
/*! \brief Terminate operation of the LMSSDR transceiver -- free all associated resources
* \param device the hardware to use
*/
void trx_lms_end(openair0_device *device) {
......@@ -877,3 +458,4 @@ int device_init(openair0_device *device, openair0_config_t *openair0_cfg){
return 0;
}
}
/*@}*/
targets/DOCS/Doxyfile
View file @ fb75c980
......@@ -796,7 +796,8 @@ INPUT = $(OPENAIR1_DIR)/PHY/defs.h \
$(OPENAIR_TARGETS)/ARCH/COMMON/common_lib.h \
$(OPENAIR_TARGETS)/ARCH/USRP/USERSPACE/LIB/usrp_lib.cpp \
$(OPENAIR_TARGETS)/ARCH/BLADERF/USERSPACE/LIB/bladerf_lib.c \
$(OPENAIR_TARGETS)/ARCH/BLADERF/USERSPACE/LIB/bladerf_lib.h
$(OPENAIR_TARGETS)/ARCH/BLADERF/USERSPACE/LIB/bladerf_lib.h \
$(OPENAIR_TARGETS)/ARCH/LMSSDR/USERSPACE/LIB/lms_lib.cpp
# This tag can be used to specify the character encoding of the source files
# that doxygen parses. Internally doxygen uses the UTF-8 encoding. Doxygen uses
......
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