421 lines
11 KiB
C
421 lines
11 KiB
C
/*
|
|
* This file is part of the sigrok project.
|
|
*
|
|
* Copyright (C) 2010-2012 Bert Vermeulen <bert@biot.com>
|
|
*
|
|
* 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, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
|
|
#include <stdlib.h>
|
|
#include <stdio.h>
|
|
#include <sys/types.h>
|
|
#include <dirent.h>
|
|
#include <string.h>
|
|
#include <glib.h>
|
|
#include "config.h" /* Needed for HAVE_LIBUSB_1_0 and others. */
|
|
#include "libsigrok.h"
|
|
#include "libsigrok-internal.h"
|
|
|
|
/**
|
|
* @file
|
|
*
|
|
* Hardware driver handling in libsigrok.
|
|
*/
|
|
|
|
/**
|
|
* @defgroup grp_driver Hardware drivers
|
|
*
|
|
* Hardware driver handling in libsigrok.
|
|
*
|
|
* @{
|
|
*/
|
|
|
|
/* Driver scanning options. */
|
|
static struct sr_hwcap_option sr_drvopts[] = {
|
|
{SR_HWOPT_MODEL, SR_T_KEYVALUE, "Model", "model"},
|
|
{SR_HWOPT_CONN, SR_T_CHAR, "Connection", "conn"},
|
|
{SR_HWOPT_SERIALCOMM, SR_T_CHAR, "Serial communication", "serialcomm"},
|
|
{0, 0, NULL, NULL},
|
|
};
|
|
|
|
/* Device instance options. */
|
|
static struct sr_hwcap_option sr_devopts[] = {
|
|
{SR_HWCAP_SAMPLERATE, SR_T_UINT64, "Sample rate", "samplerate"},
|
|
{SR_HWCAP_CAPTURE_RATIO, SR_T_UINT64, "Pre-trigger capture ratio", "captureratio"},
|
|
{SR_HWCAP_PATTERN_MODE, SR_T_CHAR, "Pattern generator mode", "pattern"},
|
|
{SR_HWCAP_RLE, SR_T_BOOL, "Run Length Encoding", "rle"},
|
|
{SR_HWCAP_TRIGGER_SLOPE, SR_T_UINT64, "Trigger slope", "triggerslope"},
|
|
{SR_HWCAP_TRIGGER_SOURCE, SR_T_CHAR, "Trigger source", "triggersource"},
|
|
{SR_HWCAP_HORIZ_TRIGGERPOS, SR_T_FLOAT, "Horizontal trigger position",
|
|
"horiz_triggerpos"},
|
|
{SR_HWCAP_BUFFERSIZE, SR_T_UINT64, "Buffer size", "buffersize"},
|
|
{SR_HWCAP_TIMEBASE, SR_T_RATIONAL_PERIOD, "Time base", "timebase"},
|
|
{SR_HWCAP_FILTER, SR_T_CHAR, "Filter targets", "filter"},
|
|
{SR_HWCAP_VDIV, SR_T_RATIONAL_VOLT, "Volts/div", "vdiv"},
|
|
{SR_HWCAP_COUPLING, SR_T_CHAR, "Coupling", "coupling"},
|
|
{0, 0, NULL, NULL},
|
|
};
|
|
|
|
/** @cond PRIVATE */
|
|
#ifdef HAVE_HW_COLEAD_SLM
|
|
extern SR_PRIV struct sr_dev_driver colead_slm_driver_info;
|
|
#endif
|
|
#ifdef HAVE_LA_DEMO
|
|
extern SR_PRIV struct sr_dev_driver demo_driver_info;
|
|
#endif
|
|
#ifdef HAVE_HW_LASCAR_EL_USB
|
|
extern SR_PRIV struct sr_dev_driver lascar_el_usb_driver_info;
|
|
#endif
|
|
#ifdef HAVE_LA_OLS
|
|
extern SR_PRIV struct sr_dev_driver ols_driver_info;
|
|
#endif
|
|
#ifdef HAVE_HW_TONDAJ_SL_814
|
|
extern SR_PRIV struct sr_dev_driver tondaj_sl_814_driver_info;
|
|
#endif
|
|
#ifdef HAVE_HW_VICTOR_DMM
|
|
extern SR_PRIV struct sr_dev_driver victor_dmm_driver_info;
|
|
#endif
|
|
#ifdef HAVE_LA_ZEROPLUS_LOGIC_CUBE
|
|
extern SR_PRIV struct sr_dev_driver zeroplus_logic_cube_driver_info;
|
|
#endif
|
|
#ifdef HAVE_LA_ASIX_SIGMA
|
|
extern SR_PRIV struct sr_dev_driver asix_sigma_driver_info;
|
|
#endif
|
|
#ifdef HAVE_LA_CHRONOVU_LA8
|
|
extern SR_PRIV struct sr_dev_driver chronovu_la8_driver_info;
|
|
#endif
|
|
#ifdef HAVE_LA_LINK_MSO19
|
|
extern SR_PRIV struct sr_dev_driver link_mso19_driver_info;
|
|
#endif
|
|
#ifdef HAVE_LA_ALSA
|
|
extern SR_PRIV struct sr_dev_driver alsa_driver_info;
|
|
#endif
|
|
#ifdef HAVE_LA_FX2LAFW
|
|
extern SR_PRIV struct sr_dev_driver fx2lafw_driver_info;
|
|
#endif
|
|
#ifdef HAVE_HW_HANTEK_DSO
|
|
extern SR_PRIV struct sr_dev_driver hantek_dso_driver_info;
|
|
#endif
|
|
#ifdef HAVE_HW_AGILENT_DMM
|
|
extern SR_PRIV struct sr_dev_driver agdmm_driver_info;
|
|
#endif
|
|
#ifdef HAVE_HW_FLUKE_DMM
|
|
extern SR_PRIV struct sr_dev_driver flukedmm_driver_info;
|
|
#endif
|
|
#ifdef HAVE_HW_SERIAL_DMM
|
|
extern SR_PRIV struct sr_dev_driver digitek_dt4000zc_driver_info;
|
|
extern SR_PRIV struct sr_dev_driver tekpower_tp4000zc_driver_info;
|
|
extern SR_PRIV struct sr_dev_driver metex_me31_driver_info;
|
|
extern SR_PRIV struct sr_dev_driver peaktech_3410_driver_info;
|
|
extern SR_PRIV struct sr_dev_driver mastech_mas345_driver_info;
|
|
extern SR_PRIV struct sr_dev_driver va_va18b_driver_info;
|
|
extern SR_PRIV struct sr_dev_driver metex_m3640d_driver_info;
|
|
extern SR_PRIV struct sr_dev_driver peaktech_4370_driver_info;
|
|
extern SR_PRIV struct sr_dev_driver pce_pce_dm32_driver_info;
|
|
extern SR_PRIV struct sr_dev_driver radioshack_22_168_driver_info;
|
|
extern SR_PRIV struct sr_dev_driver radioshack_22_812_driver_info;
|
|
#endif
|
|
#ifdef HAVE_HW_UNI_T_DMM
|
|
extern SR_PRIV struct sr_dev_driver uni_t_ut61d_driver_info;
|
|
extern SR_PRIV struct sr_dev_driver voltcraft_vc820_driver_info;
|
|
#endif
|
|
/** @endcond */
|
|
|
|
static struct sr_dev_driver *drivers_list[] = {
|
|
#ifdef HAVE_HW_COLEAD_SLM
|
|
&colead_slm_driver_info,
|
|
#endif
|
|
#ifdef HAVE_LA_DEMO
|
|
&demo_driver_info,
|
|
#endif
|
|
#ifdef HAVE_HW_LASCAR_EL_USB
|
|
&lascar_el_usb_driver_info,
|
|
#endif
|
|
#ifdef HAVE_LA_OLS
|
|
&ols_driver_info,
|
|
#endif
|
|
#ifdef HAVE_HW_TONDAJ_SL_814
|
|
&tondaj_sl_814_driver_info,
|
|
#endif
|
|
#ifdef HAVE_HW_VICTOR_DMM
|
|
&victor_dmm_driver_info,
|
|
#endif
|
|
#ifdef HAVE_LA_ZEROPLUS_LOGIC_CUBE
|
|
&zeroplus_logic_cube_driver_info,
|
|
#endif
|
|
#ifdef HAVE_LA_ASIX_SIGMA
|
|
&asix_sigma_driver_info,
|
|
#endif
|
|
#ifdef HAVE_LA_CHRONOVU_LA8
|
|
&chronovu_la8_driver_info,
|
|
#endif
|
|
#ifdef HAVE_LA_LINK_MSO19
|
|
&link_mso19_driver_info,
|
|
#endif
|
|
#ifdef HAVE_LA_ALSA
|
|
&alsa_driver_info,
|
|
#endif
|
|
#ifdef HAVE_LA_FX2LAFW
|
|
&fx2lafw_driver_info,
|
|
#endif
|
|
#ifdef HAVE_HW_HANTEK_DSO
|
|
&hantek_dso_driver_info,
|
|
#endif
|
|
#ifdef HAVE_HW_AGILENT_DMM
|
|
&agdmm_driver_info,
|
|
#endif
|
|
#ifdef HAVE_HW_FLUKE_DMM
|
|
&flukedmm_driver_info,
|
|
#endif
|
|
#ifdef HAVE_HW_SERIAL_DMM
|
|
&digitek_dt4000zc_driver_info,
|
|
&tekpower_tp4000zc_driver_info,
|
|
&metex_me31_driver_info,
|
|
&peaktech_3410_driver_info,
|
|
&mastech_mas345_driver_info,
|
|
&va_va18b_driver_info,
|
|
&metex_m3640d_driver_info,
|
|
&peaktech_4370_driver_info,
|
|
&pce_pce_dm32_driver_info,
|
|
&radioshack_22_168_driver_info,
|
|
&radioshack_22_812_driver_info,
|
|
#endif
|
|
#ifdef HAVE_HW_UNI_T_DMM
|
|
&uni_t_ut61d_driver_info,
|
|
&voltcraft_vc820_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.
|
|
*
|
|
* @param driver The driver to initialize.
|
|
*
|
|
* @return SR_OK if all went well, or an error code otherwise.
|
|
*/
|
|
SR_API int sr_driver_init(struct sr_dev_driver *driver)
|
|
{
|
|
|
|
if (driver->init)
|
|
return driver->init();
|
|
|
|
return SR_OK;
|
|
}
|
|
|
|
/**
|
|
* 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.
|
|
*
|
|
* @param driver The driver.
|
|
* @param options A list of struct sr_hwopt options to pass to the driver's
|
|
* scanner.
|
|
*
|
|
* @return A GSList * of struct sr_dev_inst, or NULL if no devices were found.
|
|
* This list must be freed by the caller, but without freeing the data
|
|
* pointed to in the list.
|
|
*/
|
|
SR_API GSList *sr_driver_scan(struct sr_dev_driver *driver, GSList *options)
|
|
{
|
|
|
|
if (driver->scan)
|
|
return driver->scan(options);
|
|
|
|
return NULL;
|
|
}
|
|
|
|
/** @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();
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Returns information about the given driver or device instance.
|
|
*
|
|
* @param driver The sr_dev_driver struct to query.
|
|
* @param id The type of information, in the form of an SR_HWCAP_* option.
|
|
* @param data Pointer where the value. will be stored. Must not be NULL.
|
|
* @param sdi Pointer to the struct sr_dev_inst to be checked. Must not be NULL.
|
|
*
|
|
* @return SR_OK upon success or SR_ERR in case of error. Note SR_ERR_ARG
|
|
* may be returned by the driver indicating it doesn't know that id,
|
|
* but this is not to be flagged as an error by the caller; merely
|
|
* as an indication that it's not applicable.
|
|
*/
|
|
SR_API int sr_info_get(struct sr_dev_driver *driver, int id,
|
|
const void **data, const struct sr_dev_inst *sdi)
|
|
{
|
|
int ret;
|
|
|
|
if (driver == NULL || data == NULL)
|
|
return SR_ERR;
|
|
|
|
ret = driver->info_get(id, data, sdi);
|
|
|
|
return ret;
|
|
}
|
|
|
|
/**
|
|
* Find out if a hardware driver has a specific capability.
|
|
*
|
|
* @param driver The hardware driver in which to search for the capability.
|
|
* @param hwcap The capability to find in the list.
|
|
*
|
|
* @return TRUE if the specified capability exists in the specified driver,
|
|
* FALSE otherwise. Also, if 'driver' is NULL or the respective driver
|
|
* returns an invalid capability list, FALSE is returned.
|
|
*/
|
|
SR_API gboolean sr_driver_hwcap_exists(struct sr_dev_driver *driver, int hwcap)
|
|
{
|
|
const int *hwcaps;
|
|
int i;
|
|
|
|
if (!driver) {
|
|
sr_err("hwdriver: %s: driver was NULL", __func__);
|
|
return FALSE;
|
|
}
|
|
|
|
if (driver->info_get(SR_DI_HWCAPS, (const void **)&hwcaps, NULL) != SR_OK)
|
|
return FALSE;
|
|
|
|
for (i = 0; hwcaps[i]; i++) {
|
|
if (hwcaps[i] == hwcap)
|
|
return TRUE;
|
|
}
|
|
|
|
return FALSE;
|
|
}
|
|
|
|
/**
|
|
* Get information about a hardware driver option.
|
|
*
|
|
* @param opt The option to get.
|
|
*
|
|
* @return A pointer to a struct sr_hwcap_option, or NULL if the option
|
|
* was not found.
|
|
*/
|
|
SR_API const struct sr_hwcap_option *sr_drvopt_get(int opt)
|
|
{
|
|
int i;
|
|
|
|
for (i = 0; sr_drvopts[i].hwcap; i++) {
|
|
if (sr_drvopts[i].hwcap == opt)
|
|
return &sr_drvopts[i];
|
|
}
|
|
|
|
return NULL;
|
|
}
|
|
|
|
/**
|
|
* Get information about a hardware driver option, by name.
|
|
*
|
|
* @param optname The name of the option to get.
|
|
*
|
|
* @return A pointer to a struct sr_hwcap_option, or NULL if the option
|
|
* was not found.
|
|
*/
|
|
SR_API const struct sr_hwcap_option *sr_drvopt_name_get(const char *optname)
|
|
{
|
|
int i;
|
|
|
|
for (i = 0; sr_drvopts[i].hwcap; i++) {
|
|
if (!strcmp(sr_drvopts[i].shortname, optname))
|
|
return &sr_drvopts[i];
|
|
}
|
|
|
|
return NULL;
|
|
}
|
|
|
|
/**
|
|
* Get information about a device option.
|
|
*
|
|
* @param opt The option to get.
|
|
*
|
|
* @return A pointer to a struct sr_hwcap_option, or NULL if the option
|
|
* was not found.
|
|
*/
|
|
SR_API const struct sr_hwcap_option *sr_devopt_get(int opt)
|
|
{
|
|
int i;
|
|
|
|
for (i = 0; sr_devopts[i].hwcap; i++) {
|
|
if (sr_devopts[i].hwcap == opt)
|
|
return &sr_devopts[i];
|
|
}
|
|
|
|
return NULL;
|
|
}
|
|
|
|
/**
|
|
* Get information about a device option, by name.
|
|
*
|
|
* @param optname The name of the option to get.
|
|
*
|
|
* @return A pointer to a struct sr_hwcap_option, or NULL if the option
|
|
* was not found.
|
|
*/
|
|
SR_API const struct sr_hwcap_option *sr_devopt_name_get(const char *optname)
|
|
{
|
|
int i;
|
|
|
|
for (i = 0; sr_devopts[i].hwcap; i++) {
|
|
if (!strcmp(sr_devopts[i].shortname, optname))
|
|
return &sr_devopts[i];
|
|
}
|
|
|
|
return NULL;
|
|
}
|
|
|
|
/* Unnecessary level of indirection follows. */
|
|
|
|
/** @private */
|
|
SR_PRIV int sr_source_remove(int fd)
|
|
{
|
|
return sr_session_source_remove(fd);
|
|
}
|
|
|
|
/** @private */
|
|
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);
|
|
}
|
|
|
|
/** @} */
|