Cedric Roux
56c66c09aa
Pre-ci test passed git-svn-id: http://svn.eurecom.fr/openair4G/trunk@4000 818b1a75-f10b-46b9-bf7c-635c3b92a50f
126 lines
4.5 KiB
C
Executable File
126 lines
4.5 KiB
C
Executable File
#ifdef PLATON
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#include <stdio.h>
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#include <stdlib.h>
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#include <fcntl.h>
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#include <unistd.h>
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#include <string.h>
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#include "daq.h"
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// LG WARNING : the 2-3 following arrays must be the same
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// as those declared in file protocol_vars.h because
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// they are copied by copy_from_user() kernel routine
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int inv_tx_gain_table[4][300];
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int inv_rx_gain_table[4][200];
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int rx_nf_table[4][200];
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//------------------------------------------------------------------------------------------------
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int readln (int file_desc, int *value);
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int usr_load_calibration_data (unsigned int daq_fdP, unsigned int nb_rf_cardsP, char **argvP);
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//------------------------------------------------------------------------------------------------
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int
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readln (int file_desc, int *value)
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{
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//------------------------------------------------------------------------------------------------
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char ascii_buffer[20];
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int status;
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int nb_cars = 0;
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do {
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if (nb_cars >= 20) {
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return -1;
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}
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status = read (file_desc, &ascii_buffer[nb_cars], 1);
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if (status != 1) {
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return -1;
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}
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} while (ascii_buffer[nb_cars++] != '\n');
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ascii_buffer[nb_cars - 1] = 0;
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*value = atoi (ascii_buffer);
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printf ("[AS] loading gain %d\n", *value);
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return 0;
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}
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//-----------------------------------------------------------------------------
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int
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usr_load_calibration_data (unsigned int daq_fdP, unsigned int nb_rf_cardsP, char **argvP)
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{
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//-----------------------------------------------------------------------------
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HARDWARE_CONFIGURATION hardware_configuration;
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char file_name[] = " ";
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char file_name_start[] = "../arch/platon/rf/PLATON_";
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char file_tx_extension[] = "TX.cal";
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char file_rx_extension[] = "RX.cal";
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const char *calibration_file_tx_name;
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const char *calibration_file_rx_name;
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unsigned int index, offset, fd;
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memset (inv_tx_gain_table, 0, sizeof (int) * 4 * 300);
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memset (inv_rx_gain_table, 0, sizeof (int) * 4 * 200);
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memset (rx_nf_table, 0, sizeof (int) * 4 * 200);
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printf ("[AS][INFO][LOAD CALIB DATA] nb_rf_cards %d \n", nb_rf_cardsP);
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ioctl (daq_fdP, DAQ_GET_HARDWARE_CONFIGURATION, &hardware_configuration);
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//printf ("[AS][INFO][LOAD CALIB DATA] Configured for %d antennas, master_id = %d\n", hardware_configuration.number_of_DAQ_cards, hardware_configuration.master_id);
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//-----------------------------------------------------------------------
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// WRITE GAINS
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//-----------------------------------------------------------------------
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for (index = 0; index < nb_rf_cardsP; index++) {
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file_name[0] = '\0';
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strcat (file_name, file_name_start);
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strcat (file_name, argvP[1]);
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strcat (file_name, "_");
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strcat (file_name, argvP[4 + index]);
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strcat (file_name, file_tx_extension);
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calibration_file_tx_name = file_name;
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offset = 0;
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printf ("[AS][INFO][LOAD CALIB DATA] Loading gains from file %s for antenna %d\n", calibration_file_tx_name, index);
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if ((fd = open (calibration_file_tx_name, O_RDONLY)) < 0) {
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printf ("[AS][ERROR][LOAD CALIB DATA] Could not open %s\n", calibration_file_tx_name);
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close (daq_fdP);
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return(-1);
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}
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while ((readln (fd, &inv_tx_gain_table[index][offset++]) == 0) && (offset < 300));
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close (fd);
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file_name[0] = '\0';
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strcat (file_name, file_name_start);
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strcat (file_name, argvP[1]);
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strcat (file_name, "_");
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strcat (file_name, argvP[4 + index]);
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strcat (file_name, file_rx_extension);
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calibration_file_rx_name = file_name;
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offset = 0;
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printf ("[AS][INFO][LOAD CALIB DATA] Loading gains from file %s for antenna %d\n", calibration_file_rx_name, index);
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if ((fd = open (calibration_file_rx_name, O_RDONLY)) < 0) {
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printf ("[AS][ERROR][LOAD CALIB DATA] Could not open %s\n", calibration_file_rx_name);
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close (daq_fdP);
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return (-1);
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}
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while ((readln (fd, &inv_rx_gain_table[index][offset++]) == 0) && (offset < 200));
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offset = 0;
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while ((readln (fd, &rx_nf_table[index][offset++]) == 0) && (offset < 200));
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close (fd);
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}
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ioctl (daq_fdP, DAQ_SET_CALIBRATION_TX_DATA, &inv_tx_gain_table[0][0]);
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ioctl (daq_fdP, DAQ_SET_CALIBRATION_RX_DATA, &inv_rx_gain_table[0][0]);
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ioctl (daq_fdP, DAQ_SET_NOISE_FACTOR_DATA, &rx_nf_table[0][0]);
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printf ("[AS][INFO][LOAD CALIB DATA] DONE\n");
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return 0;
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}
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#endif PLATON
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