diff options
Diffstat (limited to 'servers/gpib_server_lin/src/commanalyzer_functions.c')
| -rw-r--r-- | servers/gpib_server_lin/src/commanalyzer_functions.c | 962 |
1 files changed, 0 insertions, 962 deletions
diff --git a/servers/gpib_server_lin/src/commanalyzer_functions.c b/servers/gpib_server_lin/src/commanalyzer_functions.c deleted file mode 100644 index 207a4d5..0000000 --- a/servers/gpib_server_lin/src/commanalyzer_functions.c +++ /dev/null @@ -1,962 +0,0 @@ -/* - * Remote Laboratory Instrumentation Server - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 3 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License along - * with this program; if not, write to the Free Software Foundation, Inc., - * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. - * - * (c) 2009 Timothy Pearson - * Raptor Engineering - * http://www.raptorengineeringinc.com - */ - -#include <ctype.h> -#include <errno.h> -#include <stdio.h> -#include <unistd.h> -#include <stdlib.h> -#include <stdint.h> -#include <string.h> -#include <getopt.h> -#include <allegro.h> -#include "parameters.h" -#include "gpib_functions.h" -#include "gpib/ib.h" - -char falpha[1024]; -double commanalyzer_raw_trace_data[1024]; - -unsigned long commanalyzerTraceLength (char * commanalyzerType) { - if (strcmp("HP8924C", commanalyzerType) == 0) { - return 417; - } - else { - return 1; - } -} - -int commanalyzer_set_date(struct tm * datetime, char * commanalyzerType, int gpibDevice) { - char datebuffer [80]; - strftime(datebuffer,80,"CONF:DATE %m%d%y",datetime); - - if (strcmp("HP8924C", commanalyzerType) == 0) { - printf("[INFO] Setting date on communications analyzer\n\r"); - if (strcmp("HP8924C", commanalyzerType) == 0) { - #ifdef ENABLE_EXTRA_DEBUGGING - printf("[DEBG] Writing: %s\n\r", datebuffer); - #endif - if (gpib_write(gpibDevice, datebuffer) == 0) { - return 0; - } - else { - return 2; - } - } - } - else { - return 1; - } -} - -int commanalyzer_set_time(struct tm * datetime, char * commanalyzerType, int gpibDevice) { - char timebuffer [80]; - strftime(timebuffer,80,"CONF:TIME +%H.%M",datetime); // FIXME wrong format - - if (strcmp("HP8924C", commanalyzerType) == 0) { - printf("[INFO] Setting time on communications analyzer\n\r"); - if (strcmp("HP8924C", commanalyzerType) == 0) { - #ifdef ENABLE_EXTRA_DEBUGGING - printf("[DEBG] Writing: %s\n\r", timebuffer); - #endif - if (gpib_write(gpibDevice, timebuffer) == 0) { - return 0; - } - else { - return 2; - } - } - } - else { - return 1; - } -} - -int commanalyzer_switch_to_spectrum_analyzer_mode(char * commanalyzerType, int gpibDevice) { - if (strcmp("HP8924C", commanalyzerType) == 0) { - printf("[INFO] Setting communications analyzer to spectrum anayzer mode\n\r"); - if (strcmp("HP8924C", commanalyzerType) == 0) { - sprintf(falpha,"DISP SAN"); - #ifdef ENABLE_EXTRA_DEBUGGING - printf("[DEBG] Writing: %s\n\r", falpha); - #endif - if (gpib_write(gpibDevice, falpha) == 0) { - return 0; - } - else { - return 2; - } - } - } - else { - return 1; - } -} - -int commanalyzer_lock_screen (char * commanalyzerType, int gpibDevice) { - if (strcmp("HP8924C", commanalyzerType) == 0) { - printf("[INFO] Locking communications analyzer screen\n\r"); - if (strcmp("HP8924C", commanalyzerType) == 0) { - sprintf(falpha,"SPEC:DISP 'LOCKED'"); - #ifdef ENABLE_EXTRA_DEBUGGING - printf("[DEBG] Writing: %s\n\r", falpha); - #endif - if (gpib_write(gpibDevice, falpha) == 0) { - return 0; - } - else { - return 2; - } - } - } - else { - return 1; - } -} - -int commanalyzer_spectrum_analyzer_set_generator_mode_tracking (char * commanalyzerType, int gpibDevice) { - if (strcmp("HP8924C", commanalyzerType) == 0) { - printf("[INFO] Setting spectrum analyzer generator to tracking mode\n\r"); - if (strcmp("HP8924C", commanalyzerType) == 0) { - sprintf(falpha,"SAN:RFG 'TRACK'"); - #ifdef ENABLE_EXTRA_DEBUGGING - printf("[DEBG] Writing: %s\n\r", falpha); - #endif - if (gpib_write(gpibDevice, falpha) == 0) { - return 0; - } - else { - return 2; - } - } - } - else { - return 1; - } -} - -int commanalyzer_spectrum_analyzer_set_generator_mode_fixed (char * commanalyzerType, int gpibDevice) { - if (strcmp("HP8924C", commanalyzerType) == 0) { - printf("[INFO] Setting spectrum analyzer generator to fixed mode\n\r"); - if (strcmp("HP8924C", commanalyzerType) == 0) { - sprintf(falpha,"SAN:RFG 'FIXED'"); - #ifdef ENABLE_EXTRA_DEBUGGING - printf("[DEBG] Writing: %s\n\r", falpha); - #endif - if (gpib_write(gpibDevice, falpha) == 0) { - return 0; - } - else { - return 2; - } - } - } - else { - return 1; - } -} - -int commanalyzer_spectrum_analyzer_set_rf_input_dedicated (char * commanalyzerType, int gpibDevice) { - if (strcmp("HP8924C", commanalyzerType) == 0) { - printf("[INFO] Setting spectrum analyzer RF input to dedicated connector\n\r"); - if (strcmp("HP8924C", commanalyzerType) == 0) { - sprintf(falpha,"SAN:INP 'ANT'"); - #ifdef ENABLE_EXTRA_DEBUGGING - printf("[DEBG] Writing: %s\n\r", falpha); - #endif - if (gpib_write(gpibDevice, falpha) == 0) { - return 0; - } - else { - return 2; - } - } - } - else { - return 1; - } -} - -int commanalyzer_spectrum_analyzer_set_rf_input_muxed (char * commanalyzerType, int gpibDevice) { - if (strcmp("HP8924C", commanalyzerType) == 0) { - printf("[INFO] Setting spectrum analyzer RF input to multiplexed connector\n\r"); - if (strcmp("HP8924C", commanalyzerType) == 0) { - sprintf(falpha,"SAN:INP 'RF IN'"); - #ifdef ENABLE_EXTRA_DEBUGGING - printf("[DEBG] Writing: %s\n\r", falpha); - #endif - if (gpib_write(gpibDevice, falpha) == 0) { - return 0; - } - else { - return 2; - } - } - } - else { - return 1; - } -} - -int commanalyzer_spectrum_analyzer_set_generator_output_dedicated (char * commanalyzerType, int gpibDevice) { - if (strcmp("HP8924C", commanalyzerType) == 0) { - printf("[INFO] Setting spectrum analyzer generator output to dedicated connector\n\r"); - if (strcmp("HP8924C", commanalyzerType) == 0) { - sprintf(falpha,"SAN:TGEN:DEST 'DUPL'"); - #ifdef ENABLE_EXTRA_DEBUGGING - printf("[DEBG] Writing: %s\n\r", falpha); - #endif - if (gpib_write(gpibDevice, falpha) == 0) { - return 0; - } - else { - return 2; - } - } - } - else { - return 1; - } -} - -int commanalyzer_spectrum_analyzer_set_generator_output_muxed (char * commanalyzerType, int gpibDevice) { - if (strcmp("HP8924C", commanalyzerType) == 0) { - printf("[INFO] Setting spectrum analyzer generator output to multiplexed connector\n\r"); - if (strcmp("HP8924C", commanalyzerType) == 0) { - sprintf(falpha,"SAN:TGEN:DEST 'RF OUT'"); - #ifdef ENABLE_EXTRA_DEBUGGING - printf("[DEBG] Writing: %s\n\r", falpha); - #endif - if (gpib_write(gpibDevice, falpha) == 0) { - return 0; - } - else { - return 2; - } - } - } - else { - return 1; - } -} - -int commanalyzer_get_spectrum_analyzer_trace(char * commanalyzerType, int gpibDevice) { - int max_num_bytes = 0; - - unsigned char segarray[4194304]; - unsigned char floatstring[1024]; - long array_pointer; - long ai; - long left_char; - long right_char; - - int x; - int y; - - if ((strcmp("HP8924C", commanalyzerType) == 0)) { - // Send request - printf("[INFO] Getting spectrum analyzer trace [Stage 1]\n\r"); - if (strcmp("HP8924C", commanalyzerType) == 0) { - sprintf(falpha,"MEAS:SAN:TRACE?"); - #ifdef ENABLE_EXTRA_DEBUGGING - printf("[DEBG] Writing: %s\n\r", falpha); - #endif - if (gpib_write(gpibDevice, falpha) == 0) { - max_num_bytes = (commanalyzerTraceLength(commanalyzerType)*24); // Request more bytes than are possible to ensure no bytes are left behind - } - else { - return 2; - } - } - - // Read response - #ifdef ENABLE_EXTRA_DEBUGGING - printf("[DEBG] Trying to read %i bytes from GPIB device...\n", max_num_bytes); - #endif - - ibtmo(gpibDevice, T30s); - ibeos(gpibDevice, 0x0); - - ai = gpib_read_array(gpibDevice, max_num_bytes, segarray); - if (ai == -1) { - return 1; - } - else { - if (strcmp("HP8924C", commanalyzerType) == 0) { - left_char = 0; - right_char = 0; - array_pointer = 0; - while (left_char < ai) { - for (right_char=left_char;right_char<ai;right_char++) { - if (segarray[right_char] == ',') { - break; - } - } - strncpy(floatstring, segarray+left_char, right_char-left_char); - floatstring[right_char-left_char] = 0; - commanalyzer_raw_trace_data[array_pointer] = atof(floatstring); - array_pointer++; - left_char = right_char+1; - } - } - else { - return 2; - } - } - - ibtmo(gpibDevice, T10s); - - #ifdef ENABLE_EXTRA_DEBUGGING - printf("[DEBG] Read %li bytes from GPIB device\n", array_pointer); - #endif - - return 0; - } -} - -int commanalyzer_set_spectrum_analyzer_center_frequency(float desired_frequency, char * commanalyzerType, int gpibDevice) { - if ((strcmp("HP8924C", commanalyzerType) == 0)) { - printf("[INFO] Setting spectrum analyzer center frequency to %f\n\r", desired_frequency); - if (strcmp("HP8924C", commanalyzerType) == 0) { - sprintf(falpha,"SAN:CFR %E", desired_frequency); - #ifdef ENABLE_EXTRA_DEBUGGING - printf("[DEBG] Writing: %s\n\r", falpha); - #endif - if (gpib_write(gpibDevice, falpha) == 0) { - return 0; - } - else { - return 2; - } - } - } - else { - return 1; - } -} - -int commanalyzer_set_spectrum_analyzer_frequency_span(float desired_frequency, char * commanalyzerType, int gpibDevice) { - if ((strcmp("HP8924C", commanalyzerType) == 0)) { - printf("[INFO] Setting spectrum analyzer span frequency to %f\n\r", desired_frequency); - if (strcmp("HP8924C", commanalyzerType) == 0) { - sprintf(falpha,"SAN:SPAN %E", desired_frequency); - #ifdef ENABLE_EXTRA_DEBUGGING - printf("[DEBG] Writing: %s\n\r", falpha); - #endif - if (gpib_write(gpibDevice, falpha) == 0) { - return 0; - } - else { - return 2; - } - } - } - else { - return 1; - } -} - -int commanalyzer_set_spectrum_analyzer_input_attenuation(float desired_attenuation, char * commanalyzerType, int gpibDevice) { - int instrument_att; - - if ((strcmp("HP8924C", commanalyzerType) == 0)) { - if (strcmp("HP8924C", commanalyzerType) == 0) { - // Only three attenuation values are valid - if (desired_attenuation < 10) { - instrument_att = 0; - } - else if (desired_attenuation < 30) { - instrument_att = 20; - } - else { - instrument_att = 40; - } - } - printf("[INFO] Setting spectrum analyzer attenuation to %d dB\n\r", instrument_att); - if (strcmp("HP8924C", commanalyzerType) == 0) { - sprintf(falpha,"SAN:ATT '%d DB'", instrument_att); - #ifdef ENABLE_EXTRA_DEBUGGING - printf("[DEBG] Writing: %s\n\r", falpha); - #endif - if (gpib_write(gpibDevice, falpha) == 0) { - return 0; - } - else { - return 2; - } - } - } - else { - return 1; - } -} - -int commanalyzer_set_spectrum_analyzer_scale(float desired_scale, char * commanalyzerType, int gpibDevice) { - int instrument_scale; - - if ((strcmp("HP8924C", commanalyzerType) == 0)) { - if (strcmp("HP8924C", commanalyzerType) == 0) { - // Only three scale values are valid - if (desired_scale < 1.5) { - instrument_scale = 1; - } - else if (desired_scale < 6) { - instrument_scale = 2; - } - else { - instrument_scale = 10; - } - } - printf("[INFO] Setting spectrum analyzer scale to %d dB/div\n\r", instrument_scale); - if (strcmp("HP8924C", commanalyzerType) == 0) { - sprintf(falpha,"SAN:DISP:SCAL '%d DB/DIV'", instrument_scale); - #ifdef ENABLE_EXTRA_DEBUGGING - printf("[DEBG] Writing: %s\n\r", falpha); - #endif - if (gpib_write(gpibDevice, falpha) == 0) { - return 0; - } - else { - return 2; - } - } - } - else { - return 1; - } -} - -int commanalyzer_set_spectrum_analyzer_input_attenuator_mode_auto( char * commanalyzerType, int gpibDevice) { - if ((strcmp("HP8924C", commanalyzerType) == 0)) { - printf("[INFO] Setting spectrum analyzer attenuation mode to automatic\n\r"); - if (strcmp("HP8924C", commanalyzerType) == 0) { - sprintf(falpha,"SAN:ATT:MODE 'AUTO'"); - #ifdef ENABLE_EXTRA_DEBUGGING - printf("[DEBG] Writing: %s\n\r", falpha); - #endif - if (gpib_write(gpibDevice, falpha) == 0) { - return 0; - } - else { - return 2; - } - } - } - else { - return 1; - } -} - -int commanalyzer_set_spectrum_analyzer_input_attenuator_mode_fixed( char * commanalyzerType, int gpibDevice) { - if ((strcmp("HP8924C", commanalyzerType) == 0)) { - printf("[INFO] Setting spectrum analyzer attenuation mode to fixed\n\r"); - if (strcmp("HP8924C", commanalyzerType) == 0) { - sprintf(falpha,"SAN:ATT:MODE 'HOLD'"); - #ifdef ENABLE_EXTRA_DEBUGGING - printf("[DEBG] Writing: %s\n\r", falpha); - #endif - if (gpib_write(gpibDevice, falpha) == 0) { - return 0; - } - else { - return 2; - } - } - } - else { - return 1; - } -} - -int commanalyzer_set_spectrum_analyzer_generator_power(float desired_power, char * commanalyzerType, int gpibDevice) { - if ((strcmp("HP8924C", commanalyzerType) == 0)) { - printf("[INFO] Setting spectrum analyzer generator power to %f\n\r", desired_power); - if (strcmp("HP8924C", commanalyzerType) == 0) { - sprintf(falpha,"SAN:TGEN:AMPL %E", desired_power); - #ifdef ENABLE_EXTRA_DEBUGGING - printf("[DEBG] Writing: %s\n\r", falpha); - #endif - if (gpib_write(gpibDevice, falpha) == 0) { - return 0; - } - else { - return 2; - } - } - } - else { - return 1; - } -} - -int commanalyzer_set_spectrum_analyzer_generator_frequency(float desired_frequency, char * commanalyzerType, int gpibDevice) { - if ((strcmp("HP8924C", commanalyzerType) == 0)) { - printf("[INFO] Setting spectrum analyzer generator frequency to %f\n\r", desired_frequency); - if (strcmp("HP8924C", commanalyzerType) == 0) { - sprintf(falpha,"SAN:TGEN:OFR %E", desired_frequency); - #ifdef ENABLE_EXTRA_DEBUGGING - printf("[DEBG] Writing: %s\n\r", falpha); - #endif - if (gpib_write(gpibDevice, falpha) == 0) { - return 0; - } - else { - return 2; - } - } - } - else { - return 1; - } -} - -int commanalyzer_spectrum_analyzer_set_generator_sweep_ascending (char * commanalyzerType, int gpibDevice) { - if (strcmp("HP8924C", commanalyzerType) == 0) { - printf("[INFO] Setting spectrum analyzer generator output sweep to ascending\n\r"); - if (strcmp("HP8924C", commanalyzerType) == 0) { - sprintf(falpha,"SAN:TGEN:SWE 'NORM'"); - #ifdef ENABLE_EXTRA_DEBUGGING - printf("[DEBG] Writing: %s\n\r", falpha); - #endif - if (gpib_write(gpibDevice, falpha) == 0) { - return 0; - } - else { - return 2; - } - } - } - else { - return 1; - } -} - -int commanalyzer_spectrum_analyzer_set_generator_sweep_descending (char * commanalyzerType, int gpibDevice) { - if (strcmp("HP8924C", commanalyzerType) == 0) { - printf("[INFO] Setting spectrum analyzer generator output sweep to descending\n\r"); - if (strcmp("HP8924C", commanalyzerType) == 0) { - sprintf(falpha,"SAN:TGEN:SWE 'INVERT'"); - #ifdef ENABLE_EXTRA_DEBUGGING - printf("[DEBG] Writing: %s\n\r", falpha); - #endif - if (gpib_write(gpibDevice, falpha) == 0) { - return 0; - } - else { - return 2; - } - } - } - else { - return 1; - } -} - -int commanalyzer_set_spectrum_analyzer_trace_averaging(float desired_avg_samples, char * commanalyzerType, int gpibDevice) { - if ((strcmp("HP8924C", commanalyzerType) == 0)) { - int instrument_samples; - if (strcmp("HP8924C", commanalyzerType) == 0) { - // Only certain values are valid, and I am interpreting 0 as no pk/avg and -1 as peak hold - instrument_samples = desired_avg_samples; - if (desired_avg_samples > 5) { - if (desired_avg_samples < 5) { - instrument_samples = desired_avg_samples; - } - else if (desired_avg_samples < 7) { - instrument_samples = 5; - } - else if (desired_avg_samples < 15) { - instrument_samples = 10; - } - else if (desired_avg_samples < 35) { - instrument_samples = 20; - } - else if (desired_avg_samples < 75) { - instrument_samples = 50; - } - else { - instrument_samples = 100; - } - } - } - printf("[INFO] Setting spectrum analyzer generator trace averaging to %d\n\r", instrument_samples); - if (strcmp("HP8924C", commanalyzerType) == 0) { - if (instrument_samples > 0) { - sprintf(falpha,"SAN:TRAC:MHOL 'AVG %d'", instrument_samples); - } - else if (instrument_samples == -1) { - sprintf(falpha,"SAN:TRAC:MHOL 'PK HOLD'"); - } - else { - sprintf(falpha,"SAN:TRAC:MHOL 'NO PK/AVG'"); - } - #ifdef ENABLE_EXTRA_DEBUGGING - printf("[DEBG] Writing: %s\n\r", falpha); - #endif - if (gpib_write(gpibDevice, falpha) == 0) { - return 0; - } - else { - return 2; - } - } - } - else { - return 1; - } -} - -int commanalyzer_set_spectrum_analyzer_reference_power_level(float desired_reflevel, char * commanalyzerType, int gpibDevice) { - if ((strcmp("HP8924C", commanalyzerType) == 0)) { - printf("[INFO] Setting spectrum analyzer generator reference level to %f dBm\n\r", desired_reflevel); - if (strcmp("HP8924C", commanalyzerType) == 0) { - sprintf(falpha,"SAN:RLEV %E", desired_reflevel); - #ifdef ENABLE_EXTRA_DEBUGGING - printf("[DEBG] Writing: %s\n\r", falpha); - #endif - if (gpib_write(gpibDevice, falpha) == 0) { - return 0; - } - else { - return 2; - } - } - } - else { - return 1; - } -} - -int commanalyzer_get_spectrum_analyzer_number_of_vertical_divisions( char * commanalyzerType, int gpibDevice) { - if ((strcmp("HP8924C", commanalyzerType) == 0)) { - return 8; - } - else { - return -1; - } -} - -int commanalyzer_get_spectrum_analyzer_number_of_horizontal_divisions( char * commanalyzerType, int gpibDevice) { - if ((strcmp("HP8924C", commanalyzerType) == 0)) { - return 10; - } - else { - return -1; - } -} - -double commanalyzer_get_spectrum_analyzer_reference_power_level(double * retval, char * commanalyzerType, int gpibDevice) { - unsigned char segarray[4194304]; - unsigned char floatstring[1024]; - long array_pointer; - long ai; - long left_char; - long right_char; - - int max_num_bytes = 0; - - if ((strcmp("HP8924C", commanalyzerType) == 0)) { - // Send request - printf("[INFO] Getting spectrum analyzer reference power level\n\r"); - if (strcmp("HP8924C", commanalyzerType) == 0) { - sprintf(falpha,"SAN:RLEV?"); - #ifdef ENABLE_EXTRA_DEBUGGING - printf("[DEBG] Writing: %s\n\r", falpha); - #endif - if (gpib_write(gpibDevice, falpha) == 0) { - max_num_bytes = 24; // Request more bytes than are possible to ensure no bytes are left behind - } - else { - return 2; - } - } - - // Read response - #ifdef ENABLE_EXTRA_DEBUGGING - printf("[DEBG] Trying to read %i bytes from GPIB device...\n", max_num_bytes); - #endif - - ibtmo(gpibDevice, T10s); - ibeos(gpibDevice, 0x0); - - ai = gpib_read_array(gpibDevice, max_num_bytes, segarray); - if (ai == -1) { - return 1; - } - else { - if (strcmp("HP8924C", commanalyzerType) == 0) { - segarray[ai] = 0; - *retval = atof(segarray); - } - else { - return 2; - } - } - - ibtmo(gpibDevice, T10s); - - #ifdef ENABLE_EXTRA_DEBUGGING - printf("[DEBG] Read %li bytes from GPIB device\n", ai); - #endif - - return 0; - } - else { - return -1; - } -} - -double commanalyzer_get_spectrum_analyzer_scale(double * retval, char * commanalyzerType, int gpibDevice) { - unsigned char segarray[4194304]; - unsigned char floatstring[1024]; - long array_pointer; - long ai; - long left_char; - long right_char; - - int max_num_bytes = 0; - - if ((strcmp("HP8924C", commanalyzerType) == 0)) { - // Send request - printf("[INFO] Getting spectrum analyzer scale\n\r"); - if (strcmp("HP8924C", commanalyzerType) == 0) { - sprintf(falpha,"SAN:DISP:SCAL?"); - #ifdef ENABLE_EXTRA_DEBUGGING - printf("[DEBG] Writing: %s\n\r", falpha); - #endif - if (gpib_write(gpibDevice, falpha) == 0) { - max_num_bytes = 24; // Request more bytes than are possible to ensure no bytes are left behind - } - else { - return 2; - } - } - - // Read response - #ifdef ENABLE_EXTRA_DEBUGGING - printf("[DEBG] Trying to read %i bytes from GPIB device...\n", max_num_bytes); - #endif - - ibtmo(gpibDevice, T10s); - ibeos(gpibDevice, 0x0); - - ai = gpib_read_array(gpibDevice, max_num_bytes, segarray); - if (ai == -1) { - return 1; - } - else { - if (strcmp("HP8924C", commanalyzerType) == 0) { - left_char = 1; - right_char = 0; - array_pointer = 0; - for (right_char=left_char;right_char<ai;right_char++) { - if (segarray[right_char] == ' ') { - break; - } - } - strncpy(floatstring, segarray+left_char, right_char-left_char); - floatstring[right_char-left_char] = 0; - *retval = atof(floatstring); - } - else { - return 2; - } - } - - ibtmo(gpibDevice, T10s); - - #ifdef ENABLE_EXTRA_DEBUGGING - printf("[DEBG] Read %li bytes from GPIB device\n", ai); - #endif - - return 0; - } - else { - return -1; - } -} - -int commanalyzer_set_display_brightness(float percent, char * commanalyzerType, int gpibDevice) { - int instrument_scale; - - if ((strcmp("HP8924C", commanalyzerType) == 0)) { - if (strcmp("HP8924C", commanalyzerType) == 0) { - instrument_scale = ((percent/100.0)*7.0)+1; - } - printf("[INFO] Setting display brightness to %d\n\r", instrument_scale); - if (strcmp("HP8924C", commanalyzerType) == 0) { - sprintf(falpha,"CONF:INT %d", instrument_scale); - #ifdef ENABLE_EXTRA_DEBUGGING - printf("[DEBG] Writing: %s\n\r", falpha); - #endif - if (gpib_write(gpibDevice, falpha) == 0) { - return 0; - } - else { - return 2; - } - } - } - else { - return 1; - } -} - -double commanalyzer_get_spectrum_analyzer_center_frequency(double * retval, char * commanalyzerType, int gpibDevice) { - unsigned char segarray[4194304]; - unsigned char floatstring[1024]; - long array_pointer; - long ai; - long left_char; - long right_char; - - int max_num_bytes = 0; - - if ((strcmp("HP8924C", commanalyzerType) == 0)) { - // Send request - printf("[INFO] Getting spectrum analyzer center frequency\n\r"); - if (strcmp("HP8924C", commanalyzerType) == 0) { - sprintf(falpha,"SAN:CFR?"); - #ifdef ENABLE_EXTRA_DEBUGGING - printf("[DEBG] Writing: %s\n\r", falpha); - #endif - if (gpib_write(gpibDevice, falpha) == 0) { - max_num_bytes = 24; // Request more bytes than are possible to ensure no bytes are left behind - } - else { - return 2; - } - } - - // Read response - #ifdef ENABLE_EXTRA_DEBUGGING - printf("[DEBG] Trying to read %i bytes from GPIB device...\n", max_num_bytes); - #endif - - ibtmo(gpibDevice, T10s); - ibeos(gpibDevice, 0x0); - - ai = gpib_read_array(gpibDevice, max_num_bytes, segarray); - if (ai == -1) { - return 1; - } - else { - if (strcmp("HP8924C", commanalyzerType) == 0) { - left_char = 1; - right_char = 0; - array_pointer = 0; - for (right_char=left_char;right_char<ai;right_char++) { - if (segarray[right_char] == ' ') { - break; - } - } - strncpy(floatstring, segarray+left_char, right_char-left_char); - floatstring[right_char-left_char] = 0; - *retval = atof(floatstring); - } - else { - return 2; - } - } - - ibtmo(gpibDevice, T10s); - - #ifdef ENABLE_EXTRA_DEBUGGING - printf("[DEBG] Read %li bytes from GPIB device\n", ai); - #endif - - return 0; - } - else { - return -1; - } -} - -double commanalyzer_get_spectrum_analyzer_span(double * retval, char * commanalyzerType, int gpibDevice) { - unsigned char segarray[4194304]; - unsigned char floatstring[1024]; - long array_pointer; - long ai; - long left_char; - long right_char; - - int max_num_bytes = 0; - - if ((strcmp("HP8924C", commanalyzerType) == 0)) { - // Send request - printf("[INFO] Getting spectrum analyzer frequency span\n\r"); - if (strcmp("HP8924C", commanalyzerType) == 0) { - sprintf(falpha,"SAN:SPAN?"); - #ifdef ENABLE_EXTRA_DEBUGGING - printf("[DEBG] Writing: %s\n\r", falpha); - #endif - if (gpib_write(gpibDevice, falpha) == 0) { - max_num_bytes = 24; // Request more bytes than are possible to ensure no bytes are left behind - } - else { - return 2; - } - } - - // Read response - #ifdef ENABLE_EXTRA_DEBUGGING - printf("[DEBG] Trying to read %i bytes from GPIB device...\n", max_num_bytes); - #endif - - ibtmo(gpibDevice, T10s); - ibeos(gpibDevice, 0x0); - - ai = gpib_read_array(gpibDevice, max_num_bytes, segarray); - if (ai == -1) { - return 1; - } - else { - if (strcmp("HP8924C", commanalyzerType) == 0) { - left_char = 1; - right_char = 0; - array_pointer = 0; - for (right_char=left_char;right_char<ai;right_char++) { - if (segarray[right_char] == ' ') { - break; - } - } - strncpy(floatstring, segarray+left_char, right_char-left_char); - floatstring[right_char-left_char] = 0; - *retval = atof(floatstring); - } - else { - return 2; - } - } - - ibtmo(gpibDevice, T10s); - - #ifdef ENABLE_EXTRA_DEBUGGING - printf("[DEBG] Read %li bytes from GPIB device\n", ai); - #endif - - return 0; - } - else { - return -1; - } -}
\ No newline at end of file |