783 lines
24 KiB
C
783 lines
24 KiB
C
/*
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* This file is part of the libsigrok project.
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*
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* Copyright (C) 2013 Bert Vermeulen <bert@biot.com>
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <stdlib.h>
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#include <stdio.h>
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#include <sys/types.h>
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#include <dirent.h>
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#include <string.h>
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#include <glib.h>
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#include "config.h" /* Needed for HAVE_LIBUSB_1_0 and others. */
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#include "libsigrok.h"
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#include "libsigrok-internal.h"
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#define LOG_PREFIX "hwdriver"
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/**
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* @file
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*
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* Hardware driver handling in libsigrok.
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*/
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/**
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* @defgroup grp_driver Hardware drivers
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*
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* Hardware driver handling in libsigrok.
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*
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* @{
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*/
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static struct sr_config_info sr_config_info_data[] = {
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{SR_CONF_CONN, SR_T_CHAR, "conn",
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"Connection", NULL},
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{SR_CONF_SERIALCOMM, SR_T_CHAR, "serialcomm",
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"Serial communication", NULL},
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{SR_CONF_SAMPLERATE, SR_T_UINT64, "samplerate",
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"Sample rate", NULL},
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{SR_CONF_CAPTURE_RATIO, SR_T_UINT64, "captureratio",
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"Pre-trigger capture ratio", NULL},
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{SR_CONF_PATTERN_MODE, SR_T_CHAR, "pattern",
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"Pattern", NULL},
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{SR_CONF_TRIGGER_TYPE, SR_T_CHAR, "triggertype",
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"Trigger types", NULL},
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{SR_CONF_EXTERNAL_CLOCK, SR_T_BOOL, "external_clock",
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"External clock mode", NULL},
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{SR_CONF_SWAP, SR_T_BOOL, "swap",
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"Swap channel order", NULL},
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{SR_CONF_RLE, SR_T_BOOL, "rle",
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"Run Length Encoding", NULL},
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{SR_CONF_TRIGGER_SLOPE, SR_T_CHAR, "triggerslope",
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"Trigger slope", NULL},
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{SR_CONF_TRIGGER_SOURCE, SR_T_CHAR, "triggersource",
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"Trigger source", NULL},
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{SR_CONF_HORIZ_TRIGGERPOS, SR_T_FLOAT, "horiz_triggerpos",
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"Horizontal trigger position", NULL},
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{SR_CONF_BUFFERSIZE, SR_T_UINT64, "buffersize",
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"Buffer size", NULL},
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{SR_CONF_TIMEBASE, SR_T_RATIONAL_PERIOD, "timebase",
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"Time base", NULL},
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{SR_CONF_FILTER, SR_T_CHAR, "filter",
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"Filter targets", NULL},
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{SR_CONF_VDIV, SR_T_RATIONAL_VOLT, "vdiv",
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"Volts/div", NULL},
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{SR_CONF_COUPLING, SR_T_CHAR, "coupling",
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"Coupling", NULL},
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{SR_CONF_DATALOG, SR_T_BOOL, "datalog",
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"Datalog", NULL},
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{SR_CONF_SPL_WEIGHT_FREQ, SR_T_CHAR, "spl_weight_freq",
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"Sound pressure level frequency weighting", NULL},
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{SR_CONF_SPL_WEIGHT_TIME, SR_T_CHAR, "spl_weight_time",
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"Sound pressure level time weighting", NULL},
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{SR_CONF_HOLD_MAX, SR_T_BOOL, "hold_max",
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"Hold max", NULL},
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{SR_CONF_HOLD_MIN, SR_T_BOOL, "hold_min",
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"Hold min", NULL},
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{SR_CONF_SPL_MEASUREMENT_RANGE, SR_T_UINT64_RANGE, "spl_meas_range",
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"Sound pressure level measurement range", NULL},
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{SR_CONF_VOLTAGE_THRESHOLD, SR_T_DOUBLE_RANGE, "voltage_threshold",
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"Voltage threshold", NULL },
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{SR_CONF_POWER_OFF, SR_T_BOOL, "power_off",
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"Power off", NULL},
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{SR_CONF_DATA_SOURCE, SR_T_CHAR, "data_source",
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"Data source", NULL},
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{SR_CONF_NUM_LOGIC_PROBES, SR_T_INT32, "logic_probes",
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"Number of logic probes", NULL},
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{SR_CONF_NUM_ANALOG_PROBES, SR_T_INT32, "analog_probes",
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"Number of analog probes", NULL},
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{SR_CONF_OUTPUT_VOLTAGE, SR_T_FLOAT, "output_voltage",
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"Current output voltage", NULL},
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{SR_CONF_OUTPUT_VOLTAGE_MAX, SR_T_FLOAT, "output_voltage_max",
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"Maximum output voltage", NULL},
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{SR_CONF_OUTPUT_CURRENT, SR_T_FLOAT, "output_current",
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"Current output current", NULL},
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{SR_CONF_OUTPUT_CURRENT_MAX, SR_T_FLOAT, "output_current_max",
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"Maximum output current", NULL},
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{SR_CONF_OUTPUT_ENABLED, SR_T_BOOL, "output_enabled",
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"Output enabled", NULL},
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{SR_CONF_OUTPUT_CHANNEL, SR_T_CHAR, "output_channel",
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"Output channel modes", NULL},
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{SR_CONF_OVER_VOLTAGE_PROTECTION, SR_T_BOOL, "ovp",
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"Over-voltage protection", NULL},
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{SR_CONF_OVER_CURRENT_PROTECTION, SR_T_BOOL, "ocp",
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"Over-current protection", NULL},
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{SR_CONF_LIMIT_SAMPLES, SR_T_UINT64, "limit_samples",
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"Sample limit", NULL},
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{SR_CONF_CLOCK_EDGE, SR_T_CHAR, "clock_edge",
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"Clock edge", NULL},
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{0, 0, NULL, NULL, NULL},
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};
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/** @cond PRIVATE */
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#ifdef HAVE_HW_APPA_55II
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extern SR_PRIV struct sr_dev_driver appa_55ii_driver_info;
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#endif
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#ifdef HAVE_HW_ATTEN_PPS3XXX
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extern SR_PRIV struct sr_dev_driver atten_pps3203_driver_info;
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#endif
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#ifdef HAVE_HW_BRYMEN_BM86X
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extern SR_PRIV struct sr_dev_driver brymen_bm86x_driver_info;
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#endif
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#ifdef HAVE_HW_BRYMEN_DMM
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extern SR_PRIV struct sr_dev_driver brymen_bm857_driver_info;
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#endif
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#ifdef HAVE_HW_CEM_DT_885X
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extern SR_PRIV struct sr_dev_driver cem_dt_885x_driver_info;
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#endif
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#ifdef HAVE_HW_CENTER_3XX
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extern SR_PRIV struct sr_dev_driver center_309_driver_info;
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extern SR_PRIV struct sr_dev_driver voltcraft_k204_driver_info;
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#endif
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#ifdef HAVE_HW_COLEAD_SLM
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extern SR_PRIV struct sr_dev_driver colead_slm_driver_info;
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#endif
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#ifdef HAVE_HW_CONRAD_DIGI_35_CPU
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extern SR_PRIV struct sr_dev_driver conrad_digi_35_cpu_driver_info;
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#endif
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#ifdef HAVE_HW_DEMO
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extern SR_PRIV struct sr_dev_driver demo_driver_info;
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#endif
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#ifdef HAVE_HW_GMC_MH_1X_2X
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extern SR_PRIV struct sr_dev_driver gmc_mh_1x_2x_rs232_driver_info;
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extern SR_PRIV struct sr_dev_driver gmc_mh_2x_bd232_driver_info;
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#endif
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#ifdef HAVE_HW_HAMEG_HMO
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extern SR_PRIV struct sr_dev_driver hameg_hmo_driver_info;
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#endif
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#ifdef HAVE_HW_IKALOGIC_SCANALOGIC2
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extern SR_PRIV struct sr_dev_driver ikalogic_scanalogic2_driver_info;
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#endif
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#ifdef HAVE_HW_IKALOGIC_SCANAPLUS
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extern SR_PRIV struct sr_dev_driver ikalogic_scanaplus_driver_info;
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#endif
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#ifdef HAVE_HW_KECHENG_KC_330B
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extern SR_PRIV struct sr_dev_driver kecheng_kc_330b_driver_info;
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#endif
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#ifdef HAVE_HW_LASCAR_EL_USB
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extern SR_PRIV struct sr_dev_driver lascar_el_usb_driver_info;
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#endif
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#ifdef HAVE_HW_MIC_985XX
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extern SR_PRIV struct sr_dev_driver mic_98581_driver_info;
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extern SR_PRIV struct sr_dev_driver mic_98583_driver_info;
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#endif
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#ifdef HAVE_HW_NORMA_DMM
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extern SR_PRIV struct sr_dev_driver norma_dmm_driver_info;
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#endif
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#ifdef HAVE_HW_OLS
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extern SR_PRIV struct sr_dev_driver ols_driver_info;
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#endif
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#ifdef HAVE_HW_RIGOL_DS
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extern SR_PRIV struct sr_dev_driver rigol_ds_driver_info;
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#endif
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#ifdef HAVE_HW_SALEAE_LOGIC16
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extern SR_PRIV struct sr_dev_driver saleae_logic16_driver_info;
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#endif
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#ifdef HAVE_HW_SYSCLK_LWLA
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extern SR_PRIV struct sr_dev_driver sysclk_lwla_driver_info;
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#endif
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#ifdef HAVE_HW_TELEINFO
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extern SR_PRIV struct sr_dev_driver teleinfo_driver_info;
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#endif
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#ifdef HAVE_HW_TONDAJ_SL_814
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extern SR_PRIV struct sr_dev_driver tondaj_sl_814_driver_info;
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#endif
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#ifdef HAVE_HW_UNI_T_UT32X
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extern SR_PRIV struct sr_dev_driver uni_t_ut32x_driver_info;
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#endif
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#ifdef HAVE_HW_VICTOR_DMM
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extern SR_PRIV struct sr_dev_driver victor_dmm_driver_info;
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#endif
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#ifdef HAVE_HW_ZEROPLUS_LOGIC_CUBE
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extern SR_PRIV struct sr_dev_driver zeroplus_logic_cube_driver_info;
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#endif
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#ifdef HAVE_HW_ASIX_SIGMA
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extern SR_PRIV struct sr_dev_driver asix_sigma_driver_info;
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#endif
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#ifdef HAVE_HW_CHRONOVU_LA8
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extern SR_PRIV struct sr_dev_driver chronovu_la8_driver_info;
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#endif
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#ifdef HAVE_HW_LINK_MSO19
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extern SR_PRIV struct sr_dev_driver link_mso19_driver_info;
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#endif
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#ifdef HAVE_HW_ALSA
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extern SR_PRIV struct sr_dev_driver alsa_driver_info;
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#endif
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#ifdef HAVE_HW_FX2LAFW
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extern SR_PRIV struct sr_dev_driver fx2lafw_driver_info;
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#endif
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#ifdef HAVE_HW_HANTEK_DSO
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extern SR_PRIV struct sr_dev_driver hantek_dso_driver_info;
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#endif
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#ifdef HAVE_HW_AGILENT_DMM
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extern SR_PRIV struct sr_dev_driver agdmm_driver_info;
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#endif
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#ifdef HAVE_HW_FLUKE_DMM
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extern SR_PRIV struct sr_dev_driver flukedmm_driver_info;
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#endif
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#ifdef HAVE_HW_SERIAL_DMM
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extern SR_PRIV struct sr_dev_driver bbcgm_m2110_driver_info;
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extern SR_PRIV struct sr_dev_driver digitek_dt4000zc_driver_info;
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extern SR_PRIV struct sr_dev_driver tekpower_tp4000zc_driver_info;
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extern SR_PRIV struct sr_dev_driver metex_me31_driver_info;
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extern SR_PRIV struct sr_dev_driver peaktech_3410_driver_info;
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extern SR_PRIV struct sr_dev_driver mastech_mas345_driver_info;
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extern SR_PRIV struct sr_dev_driver va_va18b_driver_info;
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extern SR_PRIV struct sr_dev_driver va_va40b_driver_info;
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extern SR_PRIV struct sr_dev_driver metex_m3640d_driver_info;
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extern SR_PRIV struct sr_dev_driver metex_m4650cr_driver_info;
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extern SR_PRIV struct sr_dev_driver peaktech_4370_driver_info;
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extern SR_PRIV struct sr_dev_driver pce_pce_dm32_driver_info;
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extern SR_PRIV struct sr_dev_driver radioshack_22_168_driver_info;
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extern SR_PRIV struct sr_dev_driver radioshack_22_805_driver_info;
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extern SR_PRIV struct sr_dev_driver radioshack_22_812_driver_info;
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extern SR_PRIV struct sr_dev_driver tecpel_dmm_8061_ser_driver_info;
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extern SR_PRIV struct sr_dev_driver voltcraft_m3650cr_driver_info;
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extern SR_PRIV struct sr_dev_driver voltcraft_m3650d_driver_info;
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extern SR_PRIV struct sr_dev_driver voltcraft_m4650cr_driver_info;
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extern SR_PRIV struct sr_dev_driver voltcraft_me42_driver_info;
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extern SR_PRIV struct sr_dev_driver voltcraft_vc820_ser_driver_info;
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extern SR_PRIV struct sr_dev_driver voltcraft_vc830_ser_driver_info;
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extern SR_PRIV struct sr_dev_driver voltcraft_vc840_ser_driver_info;
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extern SR_PRIV struct sr_dev_driver uni_t_ut60a_ser_driver_info;
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extern SR_PRIV struct sr_dev_driver uni_t_ut60e_ser_driver_info;
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extern SR_PRIV struct sr_dev_driver uni_t_ut60g_ser_driver_info;
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extern SR_PRIV struct sr_dev_driver uni_t_ut61b_ser_driver_info;
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extern SR_PRIV struct sr_dev_driver uni_t_ut61c_ser_driver_info;
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extern SR_PRIV struct sr_dev_driver uni_t_ut61d_ser_driver_info;
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extern SR_PRIV struct sr_dev_driver uni_t_ut61e_ser_driver_info;
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extern SR_PRIV struct sr_dev_driver iso_tech_idm103n_driver_info;
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extern SR_PRIV struct sr_dev_driver tenma_72_7745_ser_driver_info;
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extern SR_PRIV struct sr_dev_driver tenma_72_7750_ser_driver_info;
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#endif
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#ifdef HAVE_HW_UNI_T_DMM
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extern SR_PRIV struct sr_dev_driver tecpel_dmm_8061_driver_info;
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extern SR_PRIV struct sr_dev_driver uni_t_ut60a_driver_info;
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extern SR_PRIV struct sr_dev_driver uni_t_ut60e_driver_info;
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extern SR_PRIV struct sr_dev_driver uni_t_ut60g_driver_info;
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extern SR_PRIV struct sr_dev_driver uni_t_ut61b_driver_info;
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extern SR_PRIV struct sr_dev_driver uni_t_ut61c_driver_info;
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extern SR_PRIV struct sr_dev_driver uni_t_ut61d_driver_info;
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extern SR_PRIV struct sr_dev_driver uni_t_ut61e_driver_info;
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extern SR_PRIV struct sr_dev_driver voltcraft_vc820_driver_info;
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extern SR_PRIV struct sr_dev_driver voltcraft_vc830_driver_info;
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extern SR_PRIV struct sr_dev_driver voltcraft_vc840_driver_info;
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extern SR_PRIV struct sr_dev_driver tenma_72_7745_driver_info;
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extern SR_PRIV struct sr_dev_driver tenma_72_7750_driver_info;
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#endif
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/** @endcond */
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static struct sr_dev_driver *drivers_list[] = {
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#ifdef HAVE_HW_APPA_55II
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&appa_55ii_driver_info,
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#endif
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#ifdef HAVE_HW_ATTEN_PPS3XXX
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&atten_pps3203_driver_info,
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#endif
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#ifdef HAVE_HW_BRYMEN_BM86X
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&brymen_bm86x_driver_info,
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#endif
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#ifdef HAVE_HW_BRYMEN_DMM
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&brymen_bm857_driver_info,
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#endif
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#ifdef HAVE_HW_CEM_DT_885X
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&cem_dt_885x_driver_info,
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#endif
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#ifdef HAVE_HW_CENTER_3XX
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¢er_309_driver_info,
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&voltcraft_k204_driver_info,
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#endif
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#ifdef HAVE_HW_COLEAD_SLM
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&colead_slm_driver_info,
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#endif
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#ifdef HAVE_HW_CONRAD_DIGI_35_CPU
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&conrad_digi_35_cpu_driver_info,
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#endif
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#ifdef HAVE_HW_DEMO
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&demo_driver_info,
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#endif
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#ifdef HAVE_HW_GMC_MH_1X_2X
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&gmc_mh_1x_2x_rs232_driver_info,
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&gmc_mh_2x_bd232_driver_info,
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#endif
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#ifdef HAVE_HW_HAMEG_HMO
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&hameg_hmo_driver_info,
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#endif
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#ifdef HAVE_HW_IKALOGIC_SCANALOGIC2
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&ikalogic_scanalogic2_driver_info,
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#endif
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#ifdef HAVE_HW_IKALOGIC_SCANAPLUS
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&ikalogic_scanaplus_driver_info,
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#endif
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#ifdef HAVE_HW_KECHENG_KC_330B
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&kecheng_kc_330b_driver_info,
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#endif
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#ifdef HAVE_HW_LASCAR_EL_USB
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&lascar_el_usb_driver_info,
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#endif
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#ifdef HAVE_HW_MIC_985XX
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&mic_98581_driver_info,
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&mic_98583_driver_info,
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#endif
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#ifdef HAVE_HW_NORMA_DMM
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&norma_dmm_driver_info,
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#endif
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#ifdef HAVE_HW_OLS
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&ols_driver_info,
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#endif
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#ifdef HAVE_HW_RIGOL_DS
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&rigol_ds_driver_info,
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#endif
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#ifdef HAVE_HW_SALEAE_LOGIC16
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&saleae_logic16_driver_info,
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#endif
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#ifdef HAVE_HW_SYSCLK_LWLA
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&sysclk_lwla_driver_info,
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#endif
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#ifdef HAVE_HW_TELEINFO
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&teleinfo_driver_info,
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#endif
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#ifdef HAVE_HW_TONDAJ_SL_814
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&tondaj_sl_814_driver_info,
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#endif
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#ifdef HAVE_HW_UNI_T_UT32X
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&uni_t_ut32x_driver_info,
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#endif
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#ifdef HAVE_HW_VICTOR_DMM
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&victor_dmm_driver_info,
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#endif
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#ifdef HAVE_HW_ZEROPLUS_LOGIC_CUBE
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&zeroplus_logic_cube_driver_info,
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#endif
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#ifdef HAVE_HW_ASIX_SIGMA
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&asix_sigma_driver_info,
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#endif
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#ifdef HAVE_HW_CHRONOVU_LA8
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&chronovu_la8_driver_info,
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#endif
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#ifdef HAVE_HW_LINK_MSO19
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&link_mso19_driver_info,
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#endif
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#ifdef HAVE_HW_ALSA
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&alsa_driver_info,
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#endif
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#ifdef HAVE_HW_FX2LAFW
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&fx2lafw_driver_info,
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#endif
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#ifdef HAVE_HW_HANTEK_DSO
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&hantek_dso_driver_info,
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#endif
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#ifdef HAVE_HW_AGILENT_DMM
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&agdmm_driver_info,
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#endif
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#ifdef HAVE_HW_FLUKE_DMM
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&flukedmm_driver_info,
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#endif
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#ifdef HAVE_HW_SERIAL_DMM
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&bbcgm_m2110_driver_info,
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&digitek_dt4000zc_driver_info,
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&tekpower_tp4000zc_driver_info,
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&metex_me31_driver_info,
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&peaktech_3410_driver_info,
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&mastech_mas345_driver_info,
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&va_va18b_driver_info,
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&va_va40b_driver_info,
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&metex_m3640d_driver_info,
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&metex_m4650cr_driver_info,
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&peaktech_4370_driver_info,
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&pce_pce_dm32_driver_info,
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&radioshack_22_168_driver_info,
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&radioshack_22_805_driver_info,
|
|
&radioshack_22_812_driver_info,
|
|
&tecpel_dmm_8061_ser_driver_info,
|
|
&voltcraft_m3650cr_driver_info,
|
|
&voltcraft_m3650d_driver_info,
|
|
&voltcraft_m4650cr_driver_info,
|
|
&voltcraft_me42_driver_info,
|
|
&voltcraft_vc820_ser_driver_info,
|
|
&voltcraft_vc830_ser_driver_info,
|
|
&voltcraft_vc840_ser_driver_info,
|
|
&uni_t_ut60a_ser_driver_info,
|
|
&uni_t_ut60e_ser_driver_info,
|
|
&uni_t_ut60g_ser_driver_info,
|
|
&uni_t_ut61b_ser_driver_info,
|
|
&uni_t_ut61c_ser_driver_info,
|
|
&uni_t_ut61d_ser_driver_info,
|
|
&uni_t_ut61e_ser_driver_info,
|
|
&iso_tech_idm103n_driver_info,
|
|
&tenma_72_7745_ser_driver_info,
|
|
&tenma_72_7750_ser_driver_info,
|
|
#endif
|
|
#ifdef HAVE_HW_UNI_T_DMM
|
|
&tecpel_dmm_8061_driver_info,
|
|
&uni_t_ut60a_driver_info,
|
|
&uni_t_ut60e_driver_info,
|
|
&uni_t_ut60g_driver_info,
|
|
&uni_t_ut61b_driver_info,
|
|
&uni_t_ut61c_driver_info,
|
|
&uni_t_ut61d_driver_info,
|
|
&uni_t_ut61e_driver_info,
|
|
&voltcraft_vc820_driver_info,
|
|
&voltcraft_vc830_driver_info,
|
|
&voltcraft_vc840_driver_info,
|
|
&tenma_72_7745_driver_info,
|
|
&tenma_72_7750_driver_info,
|
|
#endif
|
|
NULL,
|
|
};
|
|
|
|
/**
|
|
* Return the list of supported hardware drivers.
|
|
*
|
|
* @return Pointer to the NULL-terminated list of hardware driver pointers.
|
|
*/
|
|
SR_API struct sr_dev_driver **sr_driver_list(void)
|
|
{
|
|
|
|
return drivers_list;
|
|
}
|
|
|
|
/**
|
|
* Initialize a hardware driver.
|
|
*
|
|
* This usually involves memory allocations and variable initializations
|
|
* within the driver, but _not_ scanning for attached devices.
|
|
* The API call sr_driver_scan() is used for that.
|
|
*
|
|
* @param ctx A libsigrok context object allocated by a previous call to
|
|
* sr_init(). Must not be NULL.
|
|
* @param driver The driver to initialize. This must be a pointer to one of
|
|
* the entries returned by sr_driver_list(). Must not be NULL.
|
|
*
|
|
* @retval SR_OK Success
|
|
* @retval SR_ERR_ARG Invalid parameter(s).
|
|
* @retval SR_ERR_BUG Internal errors.
|
|
* @retval other Another negative error code upon other errors.
|
|
*/
|
|
SR_API int sr_driver_init(struct sr_context *ctx, struct sr_dev_driver *driver)
|
|
{
|
|
int ret;
|
|
|
|
if (!ctx) {
|
|
sr_err("Invalid libsigrok context, can't initialize.");
|
|
return SR_ERR_ARG;
|
|
}
|
|
|
|
if (!driver) {
|
|
sr_err("Invalid driver, can't initialize.");
|
|
return SR_ERR_ARG;
|
|
}
|
|
|
|
sr_spew("Initializing driver '%s'.", driver->name);
|
|
if ((ret = driver->init(ctx)) < 0)
|
|
sr_err("Failed to initialize the driver: %d.", ret);
|
|
|
|
return ret;
|
|
}
|
|
|
|
/**
|
|
* Tell a hardware driver to scan for devices.
|
|
*
|
|
* In addition to the detection, the devices that are found are also
|
|
* initialized automatically. On some devices, this involves a firmware upload,
|
|
* or other such measures.
|
|
*
|
|
* The order in which the system is scanned for devices is not specified. The
|
|
* caller should not assume or rely on any specific order.
|
|
*
|
|
* Before calling sr_driver_scan(), the user must have previously initialized
|
|
* the driver by calling sr_driver_init().
|
|
*
|
|
* @param driver The driver that should scan. This must be a pointer to one of
|
|
* the entries returned by sr_driver_list(). Must not be NULL.
|
|
* @param options A list of 'struct sr_hwopt' options to pass to the driver's
|
|
* scanner. Can be NULL/empty.
|
|
*
|
|
* @return A GSList * of 'struct sr_dev_inst', or NULL if no devices were
|
|
* found (or errors were encountered). This list must be freed by the
|
|
* caller using g_slist_free(), but without freeing the data pointed
|
|
* to in the list.
|
|
*/
|
|
SR_API GSList *sr_driver_scan(struct sr_dev_driver *driver, GSList *options)
|
|
{
|
|
GSList *l;
|
|
|
|
if (!driver) {
|
|
sr_err("Invalid driver, can't scan for devices.");
|
|
return NULL;
|
|
}
|
|
|
|
if (!driver->priv) {
|
|
sr_err("Driver not initialized, can't scan for devices.");
|
|
return NULL;
|
|
}
|
|
|
|
l = driver->scan(options);
|
|
|
|
sr_spew("Scan of '%s' found %d devices.", driver->name,
|
|
g_slist_length(l));
|
|
|
|
return l;
|
|
}
|
|
|
|
/** Call driver cleanup function for all drivers.
|
|
* @private */
|
|
SR_PRIV void sr_hw_cleanup_all(void)
|
|
{
|
|
int i;
|
|
struct sr_dev_driver **drivers;
|
|
|
|
drivers = sr_driver_list();
|
|
for (i = 0; drivers[i]; i++) {
|
|
if (drivers[i]->cleanup)
|
|
drivers[i]->cleanup();
|
|
}
|
|
}
|
|
|
|
/** Allocate struct sr_config.
|
|
* A floating reference can be passed in for data.
|
|
* @private
|
|
*/
|
|
SR_PRIV struct sr_config *sr_config_new(int key, GVariant *data)
|
|
{
|
|
struct sr_config *src;
|
|
|
|
if (!(src = g_try_malloc(sizeof(struct sr_config))))
|
|
return NULL;
|
|
src->key = key;
|
|
src->data = g_variant_ref_sink(data);
|
|
|
|
return src;
|
|
}
|
|
|
|
/** Free struct sr_config.
|
|
* @private
|
|
*/
|
|
SR_PRIV void sr_config_free(struct sr_config *src)
|
|
{
|
|
|
|
if (!src || !src->data) {
|
|
sr_err("%s: invalid data!", __func__);
|
|
return;
|
|
}
|
|
|
|
g_variant_unref(src->data);
|
|
g_free(src);
|
|
|
|
}
|
|
|
|
/**
|
|
* Query value of a configuration key at the given driver or device instance.
|
|
*
|
|
* @param[in] driver The sr_dev_driver struct to query.
|
|
* @param[in] sdi (optional) If the key is specific to a device, this must
|
|
* contain a pointer to the struct sr_dev_inst to be checked.
|
|
* Otherwise it must be NULL.
|
|
* @param[in] channel_group The channel group on the device for which to list the
|
|
* values, or NULL.
|
|
* @param[in] key The configuration key (SR_CONF_*).
|
|
* @param[in,out] data Pointer to a GVariant where the value will be stored.
|
|
* Must not be NULL. The caller is given ownership of the GVariant
|
|
* and must thus decrease the refcount after use. However if
|
|
* this function returns an error code, the field should be
|
|
* considered unused, and should not be unreferenced.
|
|
*
|
|
* @retval SR_OK Success.
|
|
* @retval SR_ERR Error.
|
|
* @retval SR_ERR_ARG The driver doesn't know that key, but this is not to be
|
|
* interpreted as an error by the caller; merely as an indication
|
|
* that it's not applicable.
|
|
*/
|
|
SR_API int sr_config_get(const struct sr_dev_driver *driver,
|
|
const struct sr_dev_inst *sdi,
|
|
const struct sr_channel_group *channel_group,
|
|
int key, GVariant **data)
|
|
{
|
|
int ret;
|
|
|
|
if (!driver || !data)
|
|
return SR_ERR;
|
|
|
|
if (!driver->config_get)
|
|
return SR_ERR_ARG;
|
|
|
|
if ((ret = driver->config_get(key, data, sdi, channel_group)) == SR_OK) {
|
|
/* Got a floating reference from the driver. Sink it here,
|
|
* caller will need to unref when done with it. */
|
|
g_variant_ref_sink(*data);
|
|
}
|
|
|
|
return ret;
|
|
}
|
|
|
|
/**
|
|
* Set value of a configuration key in a device instance.
|
|
*
|
|
* @param[in] sdi The device instance.
|
|
* @param[in] channel_group The channel group on the device for which to list the
|
|
* values, or NULL.
|
|
* @param[in] key The configuration key (SR_CONF_*).
|
|
* @param data The new value for the key, as a GVariant with GVariantType
|
|
* appropriate to that key. A floating reference can be passed
|
|
* in; its refcount will be sunk and unreferenced after use.
|
|
*
|
|
* @retval SR_OK Success.
|
|
* @retval SR_ERR Error.
|
|
* @retval SR_ERR_ARG The driver doesn't know that key, but this is not to be
|
|
* interpreted as an error by the caller; merely as an indication
|
|
* that it's not applicable.
|
|
*/
|
|
SR_API int sr_config_set(const struct sr_dev_inst *sdi,
|
|
const struct sr_channel_group *channel_group,
|
|
int key, GVariant *data)
|
|
{
|
|
int ret;
|
|
|
|
g_variant_ref_sink(data);
|
|
|
|
if (!sdi || !sdi->driver || !data)
|
|
ret = SR_ERR;
|
|
else if (!sdi->driver->config_set)
|
|
ret = SR_ERR_ARG;
|
|
else
|
|
ret = sdi->driver->config_set(key, data, sdi, channel_group);
|
|
|
|
g_variant_unref(data);
|
|
|
|
return ret;
|
|
}
|
|
|
|
/**
|
|
* Apply configuration settings to the device hardware.
|
|
*
|
|
* @param sdi The device instance.
|
|
*
|
|
* @return SR_OK upon success or SR_ERR in case of error.
|
|
*/
|
|
SR_API int sr_config_commit(const struct sr_dev_inst *sdi)
|
|
{
|
|
int ret;
|
|
|
|
if (!sdi || !sdi->driver)
|
|
ret = SR_ERR;
|
|
else if (!sdi->driver->config_commit)
|
|
ret = SR_OK;
|
|
else
|
|
ret = sdi->driver->config_commit(sdi);
|
|
|
|
return ret;
|
|
}
|
|
|
|
/**
|
|
* List all possible values for a configuration key.
|
|
*
|
|
* @param[in] driver The sr_dev_driver struct to query.
|
|
* @param[in] sdi (optional) If the key is specific to a device, this must
|
|
* contain a pointer to the struct sr_dev_inst to be checked.
|
|
* @param[in] channel_group The channel group on the device for which to list the
|
|
* values, or NULL.
|
|
* @param[in] key The configuration key (SR_CONF_*).
|
|
* @param[in,out] data A pointer to a GVariant where the list will be stored.
|
|
* The caller is given ownership of the GVariant and must thus
|
|
* unref the GVariant after use. However if this function
|
|
* returns an error code, the field should be considered
|
|
* unused, and should not be unreferenced.
|
|
*
|
|
* @retval SR_OK Success.
|
|
* @retval SR_ERR Error.
|
|
* @retval SR_ERR_ARG The driver doesn't know that key, but this is not to be
|
|
* interpreted as an error by the caller; merely as an indication
|
|
* that it's not applicable.
|
|
*/
|
|
SR_API int sr_config_list(const struct sr_dev_driver *driver,
|
|
const struct sr_dev_inst *sdi,
|
|
const struct sr_channel_group *channel_group,
|
|
int key, GVariant **data)
|
|
{
|
|
int ret;
|
|
|
|
if (!driver || !data)
|
|
ret = SR_ERR;
|
|
else if (!driver->config_list)
|
|
ret = SR_ERR_ARG;
|
|
else if ((ret = driver->config_list(key, data, sdi, channel_group)) == SR_OK)
|
|
g_variant_ref_sink(*data);
|
|
|
|
return ret;
|
|
}
|
|
|
|
/**
|
|
* Get information about a configuration key, by key.
|
|
*
|
|
* @param[in] key The configuration key.
|
|
*
|
|
* @return A pointer to a struct sr_config_info, or NULL if the key
|
|
* was not found.
|
|
*/
|
|
SR_API const struct sr_config_info *sr_config_info_get(int key)
|
|
{
|
|
int i;
|
|
|
|
for (i = 0; sr_config_info_data[i].key; i++) {
|
|
if (sr_config_info_data[i].key == key)
|
|
return &sr_config_info_data[i];
|
|
}
|
|
|
|
return NULL;
|
|
}
|
|
|
|
/**
|
|
* Get information about a configuration key, by name.
|
|
*
|
|
* @param[in] optname The configuration key.
|
|
*
|
|
* @return A pointer to a struct sr_config_info, or NULL if the key
|
|
* was not found.
|
|
*/
|
|
SR_API const struct sr_config_info *sr_config_info_name_get(const char *optname)
|
|
{
|
|
int i;
|
|
|
|
for (i = 0; sr_config_info_data[i].key; i++) {
|
|
if (!strcmp(sr_config_info_data[i].id, optname))
|
|
return &sr_config_info_data[i];
|
|
}
|
|
|
|
return NULL;
|
|
}
|
|
|
|
/* Unnecessary level of indirection follows. */
|
|
|
|
/** @private
|
|
* @see sr_session_source_remove()
|
|
*/
|
|
SR_PRIV int sr_source_remove(int fd)
|
|
{
|
|
return sr_session_source_remove(fd);
|
|
}
|
|
|
|
/** @private
|
|
* @see sr_session_source_add()
|
|
*/
|
|
SR_PRIV int sr_source_add(int fd, int events, int timeout,
|
|
sr_receive_data_callback_t cb, void *cb_data)
|
|
{
|
|
return sr_session_source_add(fd, events, timeout, cb, cb_data);
|
|
}
|
|
|
|
/** @} */
|