2 * This file is part of the libsigrok project.
4 * Copyright (C) 2013 Bert Vermeulen <bert@biot.com>
6 * This program is free software: you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation, either version 3 of the License, or
9 * (at your option) any later version.
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
16 * You should have received a copy of the GNU General Public License
17 * along with this program. If not, see <http://www.gnu.org/licenses/>.
22 #include <sys/types.h>
26 #include "config.h" /* Needed for HAVE_LIBUSB_1_0 and others. */
27 #include "libsigrok.h"
28 #include "libsigrok-internal.h"
30 /* Message logging helpers with driver-specific prefix string. */
31 #define DRIVER_LOG_DOMAIN "hwdriver: "
32 #define sr_log(l, s, args...) sr_log(l, DRIVER_LOG_DOMAIN s, ## args)
33 #define sr_spew(s, args...) sr_spew(DRIVER_LOG_DOMAIN s, ## args)
34 #define sr_dbg(s, args...) sr_dbg(DRIVER_LOG_DOMAIN s, ## args)
35 #define sr_info(s, args...) sr_info(DRIVER_LOG_DOMAIN s, ## args)
36 #define sr_warn(s, args...) sr_warn(DRIVER_LOG_DOMAIN s, ## args)
37 #define sr_err(s, args...) sr_err(DRIVER_LOG_DOMAIN s, ## args)
42 * Hardware driver handling in libsigrok.
46 * @defgroup grp_driver Hardware drivers
48 * Hardware driver handling in libsigrok.
53 static struct sr_config_info sr_config_info_data[] = {
54 {SR_CONF_CONN, SR_T_CHAR, "conn",
56 {SR_CONF_SERIALCOMM, SR_T_CHAR, "serialcomm",
57 "Serial communication", NULL},
58 {SR_CONF_SAMPLERATE, SR_T_UINT64, "samplerate",
60 {SR_CONF_CAPTURE_RATIO, SR_T_UINT64, "captureratio",
61 "Pre-trigger capture ratio", NULL},
62 {SR_CONF_PATTERN_MODE, SR_T_CHAR, "pattern",
63 "Pattern generator mode", NULL},
64 {SR_CONF_TRIGGER_TYPE, SR_T_CHAR, "triggertype",
65 "Trigger types", NULL},
66 {SR_CONF_RLE, SR_T_BOOL, "rle",
67 "Run Length Encoding", NULL},
68 {SR_CONF_TRIGGER_SLOPE, SR_T_UINT64, "triggerslope",
69 "Trigger slope", NULL},
70 {SR_CONF_TRIGGER_SOURCE, SR_T_CHAR, "triggersource",
71 "Trigger source", NULL},
72 {SR_CONF_HORIZ_TRIGGERPOS, SR_T_FLOAT, "horiz_triggerpos",
73 "Horizontal trigger position", NULL},
74 {SR_CONF_BUFFERSIZE, SR_T_UINT64, "buffersize",
76 {SR_CONF_TIMEBASE, SR_T_RATIONAL_PERIOD, "timebase",
78 {SR_CONF_FILTER, SR_T_CHAR, "filter",
79 "Filter targets", NULL},
80 {SR_CONF_VDIV, SR_T_RATIONAL_VOLT, "vdiv",
82 {SR_CONF_COUPLING, SR_T_CHAR, "coupling",
84 {SR_CONF_DATALOG, SR_T_BOOL, "datalog",
86 {0, 0, NULL, NULL, NULL},
90 #ifdef HAVE_HW_BRYMEN_DMM
91 extern SR_PRIV struct sr_dev_driver brymen_bm857_driver_info;
93 #ifdef HAVE_HW_COLEAD_SLM
94 extern SR_PRIV struct sr_dev_driver colead_slm_driver_info;
97 extern SR_PRIV struct sr_dev_driver demo_driver_info;
99 #ifdef HAVE_HW_LASCAR_EL_USB
100 extern SR_PRIV struct sr_dev_driver lascar_el_usb_driver_info;
102 #ifdef HAVE_HW_MIC_985XX
103 extern SR_PRIV struct sr_dev_driver mic_98581_driver_info;
104 extern SR_PRIV struct sr_dev_driver mic_98583_driver_info;
107 extern SR_PRIV struct sr_dev_driver ols_driver_info;
109 #ifdef HAVE_HW_RIGOL_DS1XX2
110 extern SR_PRIV struct sr_dev_driver rigol_ds1xx2_driver_info;
112 #ifdef HAVE_HW_TONDAJ_SL_814
113 extern SR_PRIV struct sr_dev_driver tondaj_sl_814_driver_info;
115 #ifdef HAVE_HW_VICTOR_DMM
116 extern SR_PRIV struct sr_dev_driver victor_dmm_driver_info;
118 #ifdef HAVE_LA_ZEROPLUS_LOGIC_CUBE
119 extern SR_PRIV struct sr_dev_driver zeroplus_logic_cube_driver_info;
121 #ifdef HAVE_LA_ASIX_SIGMA
122 extern SR_PRIV struct sr_dev_driver asix_sigma_driver_info;
124 #ifdef HAVE_LA_CHRONOVU_LA8
125 extern SR_PRIV struct sr_dev_driver chronovu_la8_driver_info;
128 extern SR_PRIV struct sr_dev_driver alsa_driver_info;
130 #ifdef HAVE_LA_FX2LAFW
131 extern SR_PRIV struct sr_dev_driver fx2lafw_driver_info;
133 #ifdef HAVE_HW_HANTEK_DSO
134 extern SR_PRIV struct sr_dev_driver hantek_dso_driver_info;
136 #ifdef HAVE_HW_AGILENT_DMM
137 extern SR_PRIV struct sr_dev_driver agdmm_driver_info;
139 #ifdef HAVE_HW_FLUKE_DMM
140 extern SR_PRIV struct sr_dev_driver flukedmm_driver_info;
142 #ifdef HAVE_HW_SERIAL_DMM
143 extern SR_PRIV struct sr_dev_driver digitek_dt4000zc_driver_info;
144 extern SR_PRIV struct sr_dev_driver tekpower_tp4000zc_driver_info;
145 extern SR_PRIV struct sr_dev_driver metex_me31_driver_info;
146 extern SR_PRIV struct sr_dev_driver peaktech_3410_driver_info;
147 extern SR_PRIV struct sr_dev_driver mastech_mas345_driver_info;
148 extern SR_PRIV struct sr_dev_driver va_va18b_driver_info;
149 extern SR_PRIV struct sr_dev_driver metex_m3640d_driver_info;
150 extern SR_PRIV struct sr_dev_driver peaktech_4370_driver_info;
151 extern SR_PRIV struct sr_dev_driver pce_pce_dm32_driver_info;
152 extern SR_PRIV struct sr_dev_driver radioshack_22_168_driver_info;
153 extern SR_PRIV struct sr_dev_driver radioshack_22_805_driver_info;
154 extern SR_PRIV struct sr_dev_driver radioshack_22_812_driver_info;
155 extern SR_PRIV struct sr_dev_driver voltcraft_vc820_ser_driver_info;
156 extern SR_PRIV struct sr_dev_driver voltcraft_vc840_ser_driver_info;
157 extern SR_PRIV struct sr_dev_driver uni_t_ut61e_ser_driver_info;
159 #ifdef HAVE_HW_UNI_T_DMM
160 extern SR_PRIV struct sr_dev_driver uni_t_ut61d_driver_info;
161 extern SR_PRIV struct sr_dev_driver voltcraft_vc820_driver_info;
165 static struct sr_dev_driver *drivers_list[] = {
166 #ifdef HAVE_HW_BRYMEN_DMM
167 &brymen_bm857_driver_info,
169 #ifdef HAVE_HW_COLEAD_SLM
170 &colead_slm_driver_info,
175 #ifdef HAVE_HW_LASCAR_EL_USB
176 &lascar_el_usb_driver_info,
178 #ifdef HAVE_HW_MIC_985XX
179 &mic_98581_driver_info,
180 &mic_98583_driver_info,
185 #ifdef HAVE_HW_RIGOL_DS1XX2
186 &rigol_ds1xx2_driver_info,
188 #ifdef HAVE_HW_TONDAJ_SL_814
189 &tondaj_sl_814_driver_info,
191 #ifdef HAVE_HW_VICTOR_DMM
192 &victor_dmm_driver_info,
194 #ifdef HAVE_LA_ZEROPLUS_LOGIC_CUBE
195 &zeroplus_logic_cube_driver_info,
197 #ifdef HAVE_LA_ASIX_SIGMA
198 &asix_sigma_driver_info,
200 #ifdef HAVE_LA_CHRONOVU_LA8
201 &chronovu_la8_driver_info,
206 #ifdef HAVE_LA_FX2LAFW
207 &fx2lafw_driver_info,
209 #ifdef HAVE_HW_HANTEK_DSO
210 &hantek_dso_driver_info,
212 #ifdef HAVE_HW_AGILENT_DMM
215 #ifdef HAVE_HW_FLUKE_DMM
216 &flukedmm_driver_info,
218 #ifdef HAVE_HW_SERIAL_DMM
219 &digitek_dt4000zc_driver_info,
220 &tekpower_tp4000zc_driver_info,
221 &metex_me31_driver_info,
222 &peaktech_3410_driver_info,
223 &mastech_mas345_driver_info,
224 &va_va18b_driver_info,
225 &metex_m3640d_driver_info,
226 &peaktech_4370_driver_info,
227 &pce_pce_dm32_driver_info,
228 &radioshack_22_168_driver_info,
229 &radioshack_22_805_driver_info,
230 &radioshack_22_812_driver_info,
231 &voltcraft_vc820_ser_driver_info,
232 &voltcraft_vc840_ser_driver_info,
233 &uni_t_ut61e_ser_driver_info,
235 #ifdef HAVE_HW_UNI_T_DMM
236 &uni_t_ut61d_driver_info,
237 &voltcraft_vc820_driver_info,
243 * Return the list of supported hardware drivers.
245 * @return Pointer to the NULL-terminated list of hardware driver pointers.
247 SR_API struct sr_dev_driver **sr_driver_list(void)
254 * Initialize a hardware driver.
256 * This usually involves memory allocations and variable initializations
257 * within the driver, but _not_ scanning for attached devices.
258 * The API call sr_driver_scan() is used for that.
260 * @param ctx A libsigrok context object allocated by a previous call to
261 * sr_init(). Must not be NULL.
262 * @param driver The driver to initialize. This must be a pointer to one of
263 * the entries returned by sr_driver_list(). Must not be NULL.
265 * @return SR_OK upon success, SR_ERR_ARG upon invalid parameters,
266 * SR_ERR_BUG upon internal errors, or another negative error code
269 SR_API int sr_driver_init(struct sr_context *ctx, struct sr_dev_driver *driver)
274 sr_err("Invalid libsigrok context, can't initialize.");
279 sr_err("Invalid driver, can't initialize.");
283 sr_spew("Initializing driver '%s'.", driver->name);
284 if ((ret = driver->init(ctx)) < 0)
285 sr_err("Failed to initialize the driver: %d.", ret);
291 * Tell a hardware driver to scan for devices.
293 * In addition to the detection, the devices that are found are also
294 * initialized automatically. On some devices, this involves a firmware upload,
295 * or other such measures.
297 * The order in which the system is scanned for devices is not specified. The
298 * caller should not assume or rely on any specific order.
300 * Before calling sr_driver_scan(), the user must have previously initialized
301 * the driver by calling sr_driver_init().
303 * @param driver The driver that should scan. This must be a pointer to one of
304 * the entries returned by sr_driver_list(). Must not be NULL.
305 * @param options A list of 'struct sr_hwopt' options to pass to the driver's
306 * scanner. Can be NULL/empty.
308 * @return A GSList * of 'struct sr_dev_inst', or NULL if no devices were
309 * found (or errors were encountered). This list must be freed by the
310 * caller using g_slist_free(), but without freeing the data pointed
313 SR_API GSList *sr_driver_scan(struct sr_dev_driver *driver, GSList *options)
318 sr_err("Invalid driver, can't scan for devices.");
323 sr_err("Driver not initialized, can't scan for devices.");
327 l = driver->scan(options);
329 sr_spew("Scan of '%s' found %d devices.", driver->name,
336 SR_PRIV void sr_hw_cleanup_all(void)
339 struct sr_dev_driver **drivers;
341 drivers = sr_driver_list();
342 for (i = 0; drivers[i]; i++) {
343 if (drivers[i]->cleanup)
344 drivers[i]->cleanup();
348 /** A floating reference can be passed in for data. */
349 SR_PRIV struct sr_config *sr_config_new(int key, GVariant *data)
351 struct sr_config *src;
353 if (!(src = g_try_malloc(sizeof(struct sr_config))))
356 src->data = g_variant_ref_sink(data);
361 SR_PRIV void sr_config_free(struct sr_config *src)
364 if (!src || !src->data) {
365 sr_err("%s: invalid data!", __func__);
369 g_variant_unref(src->data);
375 * Returns information about the given driver or device instance.
377 * @param driver The sr_dev_driver struct to query.
378 * @param key The configuration key (SR_CONF_*).
379 * @param data Pointer to a GVariant where the value will be stored. Must
380 * not be NULL. The caller is given ownership of the GVariant
381 * and must thus decrease the refcount after use. However if
382 * this function returns an error code, the field should be
383 * considered unused, and should not be unreferenced.
384 * @param sdi (optional) If the key is specific to a device, this must
385 * contain a pointer to the struct sr_dev_inst to be checked.
386 * Otherwise it must be NULL.
388 * @return SR_OK upon success or SR_ERR in case of error. Note SR_ERR_ARG
389 * may be returned by the driver indicating it doesn't know that key,
390 * but this is not to be flagged as an error by the caller; merely
391 * as an indication that it's not applicable.
393 SR_API int sr_config_get(const struct sr_dev_driver *driver, int key,
394 GVariant **data, const struct sr_dev_inst *sdi)
398 if (!driver || !data)
401 if (!driver->config_get)
404 if ((ret = driver->config_get(key, data, sdi)) == SR_OK) {
405 /* Got a floating reference from the driver. Sink it here,
406 * caller will need to unref when done with it. */
407 g_variant_ref_sink(*data);
414 * Set a configuration key in a device instance.
416 * @param sdi The device instance.
417 * @param key The configuration key (SR_CONF_*).
418 * @param data The new value for the key, as a GVariant with GVariantType
419 * appropriate to that key. A floating reference can be passed
420 * in; its refcount will be sunk and unreferenced after use.
422 * @return SR_OK upon success or SR_ERR in case of error. Note SR_ERR_ARG
423 * may be returned by the driver indicating it doesn't know that key,
424 * but this is not to be flagged as an error by the caller; merely
425 * as an indication that it's not applicable.
427 SR_API int sr_config_set(const struct sr_dev_inst *sdi, int key, GVariant *data)
431 g_variant_ref_sink(data);
433 if (!sdi || !sdi->driver || !data)
435 else if (!sdi->driver->config_set)
438 ret = sdi->driver->config_set(key, data, sdi);
440 g_variant_unref(data);
446 * List all possible values for a configuration key.
448 * @param driver The sr_dev_driver struct to query.
449 * @param key The configuration key (SR_CONF_*).
450 * @param data A pointer to a GVariant where the list will be stored. The
451 * caller is given ownership of the GVariant and must thus
452 * unref the GVariant after use. However if this function
453 * returns an error code, the field should be considered
454 * unused, and should not be unreferenced.
455 * @param sdi (optional) If the key is specific to a device, this must
456 * contain a pointer to the struct sr_dev_inst to be checked.
458 * @return SR_OK upon success or SR_ERR in case of error. Note SR_ERR_ARG
459 * may be returned by the driver indicating it doesn't know that key,
460 * but this is not to be flagged as an error by the caller; merely
461 * as an indication that it's not applicable.
463 SR_API int sr_config_list(const struct sr_dev_driver *driver, int key,
464 GVariant **data, const struct sr_dev_inst *sdi)
468 if (!driver || !data)
470 else if (!driver->config_list)
472 else if ((ret = driver->config_list(key, data, sdi)) == SR_OK)
473 g_variant_ref_sink(*data);
479 * Get information about a configuration key.
481 * @param key The configuration key.
483 * @return A pointer to a struct sr_config_info, or NULL if the key
486 SR_API const struct sr_config_info *sr_config_info_get(int key)
490 for (i = 0; sr_config_info_data[i].key; i++) {
491 if (sr_config_info_data[i].key == key)
492 return &sr_config_info_data[i];
499 * Get information about an configuration key, by name.
501 * @param optname The configuration key.
503 * @return A pointer to a struct sr_config_info, or NULL if the key
506 SR_API const struct sr_config_info *sr_config_info_name_get(const char *optname)
510 for (i = 0; sr_config_info_data[i].key; i++) {
511 if (!strcmp(sr_config_info_data[i].id, optname))
512 return &sr_config_info_data[i];
518 /* Unnecessary level of indirection follows. */
521 SR_PRIV int sr_source_remove(int fd)
523 return sr_session_source_remove(fd);
527 SR_PRIV int sr_source_add(int fd, int events, int timeout,
528 sr_receive_data_callback_t cb, void *cb_data)
530 return sr_session_source_add(fd, events, timeout, cb, cb_data);