]> sigrok.org Git - libsigrok.git/blame - hardware/serial-dmm/api.c
Fix limit_samples check in various drivers.
[libsigrok.git] / hardware / serial-dmm / api.c
CommitLineData
7dc55d93
AG
1/*
2 * This file is part of the sigrok project.
3 *
4 * Copyright (C) 2012 Bert Vermeulen <bert@biot.com>
5 * Copyright (C) 2012 Alexandru Gagniuc <mr.nuke.me@gmail.com>
729b01f9 6 * Copyright (C) 2012 Uwe Hermann <uwe@hermann-uwe.de>
7dc55d93
AG
7 *
8 * This program is free software: you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation, either version 3 of the License, or
11 * (at your option) any later version.
12 *
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
17 *
18 * You should have received a copy of the GNU General Public License
19 * along with this program. If not, see <http://www.gnu.org/licenses/>.
20 */
21
7dc55d93
AG
22#include <sys/types.h>
23#include <sys/stat.h>
24#include <fcntl.h>
25#include <string.h>
26#include <errno.h>
22f54192 27#include <glib.h>
bbabddbd
UH
28#include "libsigrok.h"
29#include "libsigrok-internal.h"
30#include "protocol.h"
7dc55d93
AG
31
32static const int hwopts[] = {
33 SR_HWOPT_CONN,
34 SR_HWOPT_SERIALCOMM,
35 0,
36};
37
38static const int hwcaps[] = {
39 SR_HWCAP_MULTIMETER,
40 SR_HWCAP_LIMIT_SAMPLES,
f9b9bd63 41 SR_HWCAP_LIMIT_MSEC,
7dc55d93
AG
42 SR_HWCAP_CONTINUOUS,
43 0,
44};
45
46static const char *probe_names[] = {
47 "Probe",
48 NULL,
49};
50
f086b830 51SR_PRIV struct sr_dev_driver digitek_dt4000zc_driver_info;
729b01f9 52SR_PRIV struct sr_dev_driver tekpower_tp4000zc_driver_info;
ce3777ad 53SR_PRIV struct sr_dev_driver metex_me31_driver_info;
f0ac4929 54SR_PRIV struct sr_dev_driver peaktech_3410_driver_info;
5887c9cc 55SR_PRIV struct sr_dev_driver mastech_mas345_driver_info;
6dca2f16 56SR_PRIV struct sr_dev_driver va_va18b_driver_info;
a53da082 57SR_PRIV struct sr_dev_driver metex_m3640d_driver_info;
a376ffea 58SR_PRIV struct sr_dev_driver peaktech_4370_driver_info;
d4bd66a0 59SR_PRIV struct sr_dev_driver pce_pce_dm32_driver_info;
d5ce233f 60SR_PRIV struct sr_dev_driver radioshack_22_168_driver_info;
21829e67 61SR_PRIV struct sr_dev_driver radioshack_22_812_driver_info;
40830061 62SR_PRIV struct sr_dev_driver voltcraft_vc820_ser_driver_info;
54d11221 63SR_PRIV struct sr_dev_driver voltcraft_vc840_ser_driver_info;
f086b830 64
729b01f9 65SR_PRIV struct dmm_info dmms[] = {
f086b830 66 {
ce3777ad
UH
67 "Digitek", "DT4000ZC", "2400/8n1", 2400,
68 FS9721_PACKET_SIZE, NULL,
69 sr_fs9721_packet_valid, sr_fs9721_parse,
f086b830 70 dmm_details_dt4000zc,
dccfe015 71 &digitek_dt4000zc_driver_info, receive_data_DIGITEK_DT4000ZC,
f086b830 72 },
729b01f9 73 {
ce3777ad
UH
74 "TekPower", "TP4000ZC", "2400/8n1", 2400,
75 FS9721_PACKET_SIZE, NULL,
76 sr_fs9721_packet_valid, sr_fs9721_parse,
729b01f9 77 dmm_details_tp4000zc,
dccfe015 78 &tekpower_tp4000zc_driver_info, receive_data_TEKPOWER_TP4000ZC,
729b01f9 79 },
ce3777ad
UH
80 {
81 "Metex", "ME-31", "600/7n2/rts=0/dtr=1", 600,
82 METEX14_PACKET_SIZE, sr_metex14_packet_request,
83 sr_metex14_packet_valid, sr_metex14_parse,
84 NULL,
dccfe015 85 &metex_me31_driver_info, receive_data_METEX_ME31,
ce3777ad 86 },
f0ac4929
UH
87 {
88 "Peaktech", "3410", "600/7n2/rts=0/dtr=1", 600,
89 METEX14_PACKET_SIZE, sr_metex14_packet_request,
90 sr_metex14_packet_valid, sr_metex14_parse,
91 NULL,
dccfe015 92 &peaktech_3410_driver_info, receive_data_PEAKTECH_3410,
f0ac4929 93 },
5887c9cc
UH
94 {
95 "MASTECH", "MAS345", "600/7n2/rts=0/dtr=1", 600,
96 METEX14_PACKET_SIZE, sr_metex14_packet_request,
97 sr_metex14_packet_valid, sr_metex14_parse,
98 NULL,
dccfe015 99 &mastech_mas345_driver_info, receive_data_MASTECH_MAS345,
5887c9cc 100 },
6dca2f16
UH
101 {
102 "V&A", "VA18B", "2400/8n1", 2400,
103 FS9721_PACKET_SIZE, NULL,
104 sr_fs9721_packet_valid, sr_fs9721_parse,
105 dmm_details_va18b,
dccfe015 106 &va_va18b_driver_info, receive_data_VA_VA18B,
6dca2f16 107 },
a53da082
UH
108 {
109 "Metex", "M-3640D", "1200/7n2/rts=0/dtr=1", 1200,
110 METEX14_PACKET_SIZE, sr_metex14_packet_request,
111 sr_metex14_packet_valid, sr_metex14_parse,
112 NULL,
dccfe015 113 &metex_m3640d_driver_info, receive_data_METEX_M3640D,
a53da082 114 },
a376ffea
UH
115 {
116 "PeakTech", "4370", "1200/7n2/rts=0/dtr=1", 1200,
117 METEX14_PACKET_SIZE, sr_metex14_packet_request,
118 sr_metex14_packet_valid, sr_metex14_parse,
119 NULL,
dccfe015 120 &peaktech_4370_driver_info, receive_data_PEAKTECH_4370,
a376ffea 121 },
d4bd66a0
UH
122 {
123 "PCE", "PCE-DM32", "2400/8n1", 2400,
124 FS9721_PACKET_SIZE, NULL,
125 sr_fs9721_packet_valid, sr_fs9721_parse,
126 dmm_details_pce_dm32,
dccfe015 127 &pce_pce_dm32_driver_info, receive_data_PCE_PCE_DM32,
d4bd66a0 128 },
d5ce233f
AG
129 {
130 "RadioShack", "22-168", "1200/7n2/rts=0/dtr=1", 1200,
131 METEX14_PACKET_SIZE, sr_metex14_packet_request,
132 sr_metex14_packet_valid, sr_metex14_parse,
133 NULL,
dccfe015 134 &radioshack_22_168_driver_info, receive_data_RADIOSHACK_22_168,
d5ce233f 135 },
21829e67
AG
136 {
137 "RadioShack", "22-812", "4800/8n1/rts=0/dtr=1", 4800,
138 RS9LCD_PACKET_SIZE, NULL,
139 sr_rs9lcd_packet_valid, sr_rs9lcd_parse,
140 NULL,
dccfe015 141 &radioshack_22_812_driver_info, receive_data_RADIOSHACK_22_812,
21829e67 142 },
40830061
UH
143 {
144 "Voltcraft", "VC-820 (UT-D02 cable)", "2400/8n1/rts=0/dtr=1",
145 2400, FS9721_PACKET_SIZE, NULL,
146 sr_fs9721_packet_valid, sr_fs9721_parse,
147 NULL,
148 &voltcraft_vc820_ser_driver_info, receive_data_VOLTCRAFT_VC820,
149 },
54d11221
UH
150 {
151 "Voltcraft", "VC-840 (UT-D02 cable)", "2400/8n1/rts=0/dtr=1",
152 2400, FS9721_PACKET_SIZE, NULL,
153 sr_fs9721_packet_valid, sr_fs9721_parse,
154 NULL,
155 &voltcraft_vc840_ser_driver_info, receive_data_VOLTCRAFT_VC840,
156 },
729b01f9 157};
7dc55d93
AG
158
159/* Properly close and free all devices. */
fd9b2b86 160static int clear_instances(int dmm)
7dc55d93
AG
161{
162 struct sr_dev_inst *sdi;
163 struct drv_context *drvc;
164 struct dev_context *devc;
165 GSList *l;
fd9b2b86 166 struct sr_dev_driver *di;
7dc55d93 167
fd9b2b86 168 di = dmms[dmm].di;
26be4ebe 169
7dc55d93
AG
170 if (!(drvc = di->priv))
171 return SR_OK;
172
173 drvc = di->priv;
174 for (l = drvc->instances; l; l = l->next) {
175 if (!(sdi = l->data))
176 continue;
177 if (!(devc = sdi->priv))
178 continue;
179 sr_serial_dev_inst_free(devc->serial);
180 sr_dev_inst_free(sdi);
181 }
182 g_slist_free(drvc->instances);
183 drvc->instances = NULL;
184
185 return SR_OK;
186}
187
34f06b90 188static int hw_init(struct sr_context *sr_ctx, int dmm)
7dc55d93
AG
189{
190 struct drv_context *drvc;
191
192 if (!(drvc = g_try_malloc0(sizeof(struct drv_context)))) {
bbabddbd
UH
193 sr_err("Driver context malloc failed.");
194 return SR_ERR_MALLOC;
7dc55d93
AG
195 }
196
06b7a8af 197 sr_dbg("Selected '%s' subdriver.", dmms[dmm].di->name);
729b01f9 198
1ebe4b4e 199 drvc->sr_ctx = sr_ctx;
06b7a8af 200 dmms[dmm].di->priv = drvc;
7dc55d93
AG
201
202 return SR_OK;
203}
204
729b01f9 205static GSList *scan(const char *conn, const char *serialcomm, int dmm)
7dc55d93
AG
206{
207 struct sr_dev_inst *sdi;
208 struct drv_context *drvc;
209 struct dev_context *devc;
210 struct sr_probe *probe;
d35afa87 211 struct sr_serial_dev_inst *serial;
7dc55d93 212 GSList *devices;
2546b05c
AG
213 int dropped, ret;
214 size_t len;
215 uint8_t buf[128];
7dc55d93 216
d35afa87 217 if (!(serial = sr_serial_dev_inst_new(conn, serialcomm)))
7dc55d93 218 return NULL;
d35afa87 219
ce3777ad 220 if (serial_open(serial, SERIAL_RDWR | SERIAL_NONBLOCK) != SR_OK)
7dc55d93 221 return NULL;
7dc55d93 222
22f54192 223 sr_info("Probing serial port %s.", conn);
7dc55d93 224
06b7a8af 225 drvc = dmms[dmm].di->priv;
7dc55d93 226 devices = NULL;
d35afa87 227 serial_flush(serial);
bbabddbd 228
ce3777ad
UH
229 /* Request a packet if the DMM requires this. */
230 if (dmms[dmm].packet_request) {
231 if ((ret = dmms[dmm].packet_request(serial)) < 0) {
232 sr_err("Failed to request packet: %d.", ret);
233 return FALSE;
234 }
235 }
236
22f54192
UH
237 /*
238 * There's no way to get an ID from the multimeter. It just sends data
239 * periodically (or upon request), so the best we can do is check if
240 * the packets match the expected format.
241 */
242
243 /* Let's get a bit of data and see if we can find a packet. */
244 len = sizeof(buf);
729b01f9
UH
245 ret = serial_stream_detect(serial, buf, &len, dmms[dmm].packet_size,
246 dmms[dmm].packet_valid, 1000,
247 dmms[dmm].baudrate);
2546b05c
AG
248 if (ret != SR_OK)
249 goto scan_cleanup;
7dc55d93 250
2546b05c
AG
251 /*
252 * If we dropped more than two packets worth of data, something is
253 * wrong. We shouldn't quit however, since the dropped bytes might be
254 * just zeroes at the beginning of the stream. Those can occur as a
22f54192
UH
255 * combination of the nonstandard cable that ships with some devices
256 * and the serial port or USB to serial adapter.
2546b05c 257 */
729b01f9
UH
258 dropped = len - dmms[dmm].packet_size;
259 if (dropped > 2 * dmms[dmm].packet_size)
6bef68a7 260 sr_warn("Had to drop too much data.");
7dc55d93 261
2546b05c 262 sr_info("Found device on port %s.", conn);
7dc55d93 263
729b01f9
UH
264 if (!(sdi = sr_dev_inst_new(0, SR_ST_INACTIVE, dmms[dmm].vendor,
265 dmms[dmm].device, "")))
2546b05c 266 goto scan_cleanup;
6bef68a7 267
2546b05c
AG
268 if (!(devc = g_try_malloc0(sizeof(struct dev_context)))) {
269 sr_err("Device context malloc failed.");
270 goto scan_cleanup;
7dc55d93
AG
271 }
272
2546b05c
AG
273 devc->serial = serial;
274
275 sdi->priv = devc;
06b7a8af 276 sdi->driver = dmms[dmm].di;
2546b05c
AG
277 if (!(probe = sr_probe_new(0, SR_PROBE_ANALOG, TRUE, "P1")))
278 goto scan_cleanup;
279 sdi->probes = g_slist_append(sdi->probes, probe);
280 drvc->instances = g_slist_append(drvc->instances, sdi);
281 devices = g_slist_append(devices, sdi);
282
283scan_cleanup:
d35afa87 284 serial_close(serial);
2546b05c 285
7dc55d93
AG
286 return devices;
287}
288
ea4c6c23 289static GSList *hw_scan(GSList *options, int dmm)
7dc55d93
AG
290{
291 struct sr_hwopt *opt;
292 GSList *l, *devices;
293 const char *conn, *serialcomm;
294
295 conn = serialcomm = NULL;
296 for (l = options; l; l = l->next) {
297 opt = l->data;
298 switch (opt->hwopt) {
299 case SR_HWOPT_CONN:
300 conn = opt->value;
301 break;
302 case SR_HWOPT_SERIALCOMM:
303 serialcomm = opt->value;
304 break;
305 }
306 }
307 if (!conn)
308 return NULL;
309
310 if (serialcomm) {
311 /* Use the provided comm specs. */
729b01f9 312 devices = scan(conn, serialcomm, dmm);
7dc55d93 313 } else {
d35afa87 314 /* Try the default. */
729b01f9 315 devices = scan(conn, dmms[dmm].conn, dmm);
7dc55d93
AG
316 }
317
318 return devices;
319}
320
ca4b1309 321static GSList *hw_dev_list(int dmm)
7dc55d93
AG
322{
323 struct drv_context *drvc;
324
ca4b1309 325 drvc = dmms[dmm].di->priv;
7dc55d93
AG
326
327 return drvc->instances;
328}
329
330static int hw_dev_open(struct sr_dev_inst *sdi)
331{
332 struct dev_context *devc;
333
334 if (!(devc = sdi->priv)) {
335 sr_err("sdi->priv was NULL.");
336 return SR_ERR_BUG;
337 }
338
ce3777ad 339 if (serial_open(devc->serial, SERIAL_RDWR | SERIAL_NONBLOCK) != SR_OK)
7dc55d93 340 return SR_ERR;
bbabddbd 341
7dc55d93
AG
342 sdi->status = SR_ST_ACTIVE;
343
344 return SR_OK;
345}
346
347static int hw_dev_close(struct sr_dev_inst *sdi)
348{
349 struct dev_context *devc;
350
351 if (!(devc = sdi->priv)) {
352 sr_err("sdi->priv was NULL.");
353 return SR_ERR_BUG;
354 }
355
356 if (devc->serial && devc->serial->fd != -1) {
d35afa87 357 serial_close(devc->serial);
7dc55d93
AG
358 sdi->status = SR_ST_INACTIVE;
359 }
360
361 return SR_OK;
362}
363
0c23677d 364static int hw_cleanup(int dmm)
7dc55d93 365{
fd9b2b86 366 clear_instances(dmm);
7dc55d93
AG
367
368 return SR_OK;
369}
370
371static int hw_info_get(int info_id, const void **data,
bbabddbd 372 const struct sr_dev_inst *sdi)
7dc55d93 373{
bbabddbd 374 (void)sdi;
7dc55d93
AG
375
376 switch (info_id) {
377 case SR_DI_HWOPTS:
378 *data = hwopts;
379 break;
380 case SR_DI_HWCAPS:
381 *data = hwcaps;
382 break;
383 case SR_DI_NUM_PROBES:
384 *data = GINT_TO_POINTER(1);
385 break;
386 case SR_DI_PROBE_NAMES:
387 *data = probe_names;
388 break;
389 default:
390 return SR_ERR_ARG;
391 }
392
393 return SR_OK;
394}
395
396static int hw_dev_config_set(const struct sr_dev_inst *sdi, int hwcap,
bbabddbd 397 const void *value)
7dc55d93
AG
398{
399 struct dev_context *devc;
400
401 if (sdi->status != SR_ST_ACTIVE)
402 return SR_ERR;
403
404 if (!(devc = sdi->priv)) {
405 sr_err("sdi->priv was NULL.");
406 return SR_ERR_BUG;
407 }
408
409 switch (hwcap) {
410 case SR_HWCAP_LIMIT_SAMPLES:
411 devc->limit_samples = *(const uint64_t *)value;
412 sr_dbg("Setting sample limit to %" PRIu64 ".",
413 devc->limit_samples);
414 break;
f9b9bd63
AG
415 case SR_HWCAP_LIMIT_MSEC:
416 devc->limit_msec = *(const uint64_t *)value;
417 sr_dbg("Setting time limit to %" PRIu64 "ms.",
418 devc->limit_msec);
419 break;
7dc55d93
AG
420 default:
421 sr_err("Unknown capability: %d.", hwcap);
422 return SR_ERR;
423 break;
424 }
425
426 return SR_OK;
427}
428
429static int hw_dev_acquisition_start(const struct sr_dev_inst *sdi,
16b7b790 430 void *cb_data, int dmm)
7dc55d93
AG
431{
432 struct sr_datafeed_packet packet;
433 struct sr_datafeed_header header;
434 struct sr_datafeed_meta_analog meta;
435 struct dev_context *devc;
436
437 if (!(devc = sdi->priv)) {
438 sr_err("sdi->priv was NULL.");
439 return SR_ERR_BUG;
440 }
441
442 sr_dbg("Starting acquisition.");
443
444 devc->cb_data = cb_data;
445
bbabddbd
UH
446 /*
447 * Reset the number of samples to take. If we've already collected our
7dc55d93 448 * quota, but we start a new session, and don't reset this, we'll just
bbabddbd
UH
449 * quit without acquiring any new samples.
450 */
7dc55d93 451 devc->num_samples = 0;
f9b9bd63 452 devc->starttime = g_get_monotonic_time();
7dc55d93
AG
453
454 /* Send header packet to the session bus. */
455 sr_dbg("Sending SR_DF_HEADER.");
456 packet.type = SR_DF_HEADER;
457 packet.payload = (uint8_t *)&header;
458 header.feed_version = 1;
459 gettimeofday(&header.starttime, NULL);
460 sr_session_send(devc->cb_data, &packet);
461
462 /* Send metadata about the SR_DF_ANALOG packets to come. */
463 sr_dbg("Sending SR_DF_META_ANALOG.");
464 packet.type = SR_DF_META_ANALOG;
465 packet.payload = &meta;
466 meta.num_probes = 1;
467 sr_session_send(devc->cb_data, &packet);
468
bbabddbd 469 /* Poll every 50ms, or whenever some data comes in. */
7dc55d93 470 sr_source_add(devc->serial->fd, G_IO_IN, 50,
16b7b790 471 dmms[dmm].receive_data, (void *)sdi);
7dc55d93
AG
472
473 return SR_OK;
474}
475
69b07d14 476static int hw_dev_acquisition_stop(struct sr_dev_inst *sdi, void *cb_data)
7dc55d93
AG
477{
478 struct sr_datafeed_packet packet;
479 struct dev_context *devc;
480
481 if (sdi->status != SR_ST_ACTIVE)
482 return SR_ERR;
483
484 if (!(devc = sdi->priv)) {
485 sr_err("sdi->priv was NULL.");
486 return SR_ERR_BUG;
487 }
488
489 sr_dbg("Stopping acquisition.");
490
491 sr_source_remove(devc->serial->fd);
492 hw_dev_close((struct sr_dev_inst *)sdi);
493
494 /* Send end packet to the session bus. */
495 sr_dbg("Sending SR_DF_END.");
496 packet.type = SR_DF_END;
497 sr_session_send(cb_data, &packet);
498
499 return SR_OK;
500}
501
3098b390
AG
502/* Driver-specific API function wrappers */
503#define HW_INIT(X) \
504static int hw_init_##X(struct sr_context *sr_ctx) { return hw_init(sr_ctx, X); }
505#define HW_CLEANUP(X) \
506static int hw_cleanup_##X(void) { return hw_cleanup(X); }
507#define HW_SCAN(X) \
508static GSList *hw_scan_##X(GSList *options) { return hw_scan(options, X); }
509#define HW_DEV_LIST(X) \
510static GSList *hw_dev_list_##X(void) { return hw_dev_list(X); }
511#define CLEAR_INSTANCES(X) \
512static int clear_instances_##X(void) { return clear_instances(X); }
16b7b790
UH
513#define HW_DEV_ACQUISITION_START(X) \
514static int hw_dev_acquisition_start_##X(const struct sr_dev_inst *sdi, \
515void *cb_data) { return hw_dev_acquisition_start(sdi, cb_data, X); }
3098b390
AG
516
517/* Driver structs and API function wrappers */
f1437c68 518#define DRV(ID, ID_UPPER, NAME, LONGNAME) \
3098b390
AG
519HW_INIT(ID_UPPER) \
520HW_CLEANUP(ID_UPPER) \
521HW_SCAN(ID_UPPER) \
522HW_DEV_LIST(ID_UPPER) \
523CLEAR_INSTANCES(ID_UPPER) \
16b7b790 524HW_DEV_ACQUISITION_START(ID_UPPER) \
f1437c68
UH
525SR_PRIV struct sr_dev_driver ID##_driver_info = { \
526 .name = NAME, \
527 .longname = LONGNAME, \
528 .api_version = 1, \
529 .init = hw_init_##ID_UPPER, \
0c23677d 530 .cleanup = hw_cleanup_##ID_UPPER, \
ea4c6c23 531 .scan = hw_scan_##ID_UPPER, \
ca4b1309 532 .dev_list = hw_dev_list_##ID_UPPER, \
fd9b2b86 533 .dev_clear = clear_instances_##ID_UPPER, \
f1437c68
UH
534 .dev_open = hw_dev_open, \
535 .dev_close = hw_dev_close, \
536 .info_get = hw_info_get, \
537 .dev_config_set = hw_dev_config_set, \
16b7b790 538 .dev_acquisition_start = hw_dev_acquisition_start_##ID_UPPER, \
f1437c68
UH
539 .dev_acquisition_stop = hw_dev_acquisition_stop, \
540 .priv = NULL, \
21829e67 541};
3098b390 542
f1437c68
UH
543DRV(digitek_dt4000zc, DIGITEK_DT4000ZC, "digitek-dt4000zc", "Digitek DT4000ZC")
544DRV(tekpower_tp4000zc, TEKPOWER_TP4000ZC, "tekpower-tp4000zc", "TekPower TP4000ZC")
545DRV(metex_me31, METEX_ME31, "metex-me31", "Metex ME-31")
546DRV(peaktech_3410, PEAKTECH_3410, "peaktech-3410", "PeakTech 3410")
547DRV(mastech_mas345, MASTECH_MAS345, "mastech-mas345", "MASTECH MAS345")
548DRV(va_va18b, VA_VA18B, "va-va18b", "V&A VA18B")
549DRV(metex_m3640d, METEX_M3640D, "metex-m3640d", "Metex M-3640D")
550DRV(peaktech_4370, PEAKTECH_4370, "peaktech-4370", "PeakTech 4370")
551DRV(pce_pce_dm32, PCE_PCE_DM32, "pce-pce-dm32", "PCE PCE-DM32")
552DRV(radioshack_22_168, RADIOSHACK_22_168, "radioshack-22-168", "RadioShack 22-168")
553DRV(radioshack_22_812, RADIOSHACK_22_812, "radioshack-22-812", "RadioShack 22-812")
40830061
UH
554DRV(voltcraft_vc820_ser, VOLTCRAFT_VC820, "voltcraft-vc820-ser", "Voltcraft VC-820 (UT-D02 cable)")
555DRV(voltcraft_vc840_ser, VOLTCRAFT_VC840, "voltcraft-vc840-ser", "Voltcraft VC-840 (UT-D02 cable)")