]> sigrok.org Git - libsigrok.git/blame - hardware/link-mso19/link-mso19.c
projects / libsigrok.git / blame
? search:
summary | shortlog | log | commit | commitdiff | tree
blob | blame (incremental) | history | HEAD
demo: Add missing copyright line.
[libsigrok.git] / hardware / link-mso19 / link-mso19.c
CommitLineData
01cf8814
DR		 1/*
2 * This file is part of the sigrok project.
3 *
4 * Copyright (C) 2011 Daniel Ribeiro <drwyrm@gmail.com>
5 *
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.
10 */
11
12#include <stdio.h>
13#include <stdlib.h>
14#include <string.h>
15#include <unistd.h>
16#include <fcntl.h>
17#include <sys/time.h>
18#include <inttypes.h>
19#include <glib.h>
20#include <libudev.h>
21#include <sigrok.h>
22#include <arpa/inet.h>
23#include "config.h"
24#include "link-mso19.h"
25
26#define USB_VENDOR "3195"
27#define USB_PRODUCT "f190"
28
29static int capabilities[] = {
30 HWCAP_LOGIC_ANALYZER,
31// HWCAP_OSCILLOSCOPE,
32// HWCAP_PAT_GENERATOR,
33
34 HWCAP_SAMPLERATE,
35// HWCAP_CAPTURE_RATIO,
36 HWCAP_LIMIT_SAMPLES,
37 0,
38};
39
40static uint64_t supported_samplerates[] = {
41 100, 200, 500, KHZ(1), KHZ(2), KHZ(5), KHZ(10), KHZ(20),
42 KHZ(50), KHZ(100), KHZ(200), KHZ(500), MHZ(1), MHZ(2), MHZ(5),
43 MHZ(10), MHZ(20), MHZ(50), MHZ(100), MHZ(200), 0
44};
45
46static struct samplerates samplerates = {
47 100, MHZ(200), 0, supported_samplerates,
48};
49
50static GSList *device_instances = NULL;
51
52static int mso_send_control_message(struct sigrok_device_instance *sdi,
53 uint16_t payload[], int n)
54{
55 int fd = sdi->serial->fd;
56 int i, w, ret, s = n * 2 + sizeof(mso_head) + sizeof(mso_foot);
57 char *p, *buf;
58
59 if (fd < 0)
60 goto ret;
61
62 buf = malloc(s);
63 if (!buf)
64 goto ret;
65
66 p = buf;
67 memcpy(p, mso_head, sizeof(mso_head));
68 p += sizeof(mso_head);
69
70 for (i = 0; i < n; i++) {
71 *(uint16_t *) p = htons(payload[i]);
72 p += 2;
73 }
74 memcpy(p, mso_foot, sizeof(mso_foot));
75
76 w = 0;
77 while (w < s) {
78 ret = write(fd, buf + w, s - w);
79 if (ret < 0) {
80 ret = SIGROK_ERR;
81 goto free;
82 }
83 w += ret;
84 }
85 ret = SIGROK_OK;
86free:
87 free(buf);
88ret:
89 return ret;
90}
91
92static int mso_reset_adc(struct sigrok_device_instance *sdi)
93{
94 struct mso *mso = sdi->priv;
95 uint16_t ops[2];
96
97 ops[0] = mso_trans(REG_CTL, (mso->ctlbase | BIT_CTL_RESETADC));
98 ops[1] = mso_trans(REG_CTL, mso->ctlbase);
99 mso->ctlbase |= BIT_CTL_ADC_UNKNOWN4;
100
101 return mso_send_control_message(sdi, ARRAY_AND_SIZE(ops));
102}
103
104static int mso_reset_fsm(struct sigrok_device_instance *sdi)
105{
106 struct mso *mso = sdi->priv;
107 uint16_t ops[1];
108
109 mso->ctlbase |= BIT_CTL_RESETFSM;
110 ops[0] = mso_trans(REG_CTL, mso->ctlbase);
111
112 return mso_send_control_message(sdi, ARRAY_AND_SIZE(ops));
113}
114
115static int mso_toggle_led(struct sigrok_device_instance *sdi, int state)
116{
117 struct mso *mso = sdi->priv;
118 uint16_t ops[1];
119
120 mso->ctlbase &= BIT_CTL_LED;
121 if (state)
122 mso->ctlbase |= BIT_CTL_LED;
123 ops[0] = mso_trans(REG_CTL, mso->ctlbase);
124
125 return mso_send_control_message(sdi, ARRAY_AND_SIZE(ops));
126}
127
128static int mso_check_trigger(struct sigrok_device_instance *sdi,
129 uint8_t *info)
130{
131 uint16_t ops[] = { mso_trans(REG_TRIGGER, 0) };
132 char buf[1];
133 int ret;
134
135 ret = mso_send_control_message(sdi, ARRAY_AND_SIZE(ops));
136 if (info == NULL || ret != SIGROK_OK)
137 return ret;
138
139 buf[0] = 0;
140 if (read(sdi->serial->fd, buf, 1) != 1) /* FIXME: Need timeout */
141 ret = SIGROK_ERR;
142 *info = buf[0];
143
144 return ret;
145}
146
147static int mso_read_buffer(struct sigrok_device_instance *sdi)
148{
149 uint16_t ops[] = { mso_trans(REG_BUFFER, 0) };
150
151 return mso_send_control_message(sdi, ARRAY_AND_SIZE(ops));
152}
153
154static int mso_arm(struct sigrok_device_instance *sdi)
155{
156 struct mso *mso = sdi->priv;
157 uint16_t ops[] = {
158 mso_trans(REG_CTL, mso->ctlbase | BIT_CTL_RESETFSM),
159 mso_trans(REG_CTL, mso->ctlbase | BIT_CTL_ARM),
160 mso_trans(REG_CTL, mso->ctlbase),
161 };
162
163 return mso_send_control_message(sdi, ARRAY_AND_SIZE(ops));
164}
165
166static int mso_force_capture(struct sigrok_device_instance *sdi)
167{
168 struct mso *mso = sdi->priv;
169 uint16_t ops[] = {
170 mso_trans(REG_CTL, mso->ctlbase | 8),
171 mso_trans(REG_CTL, mso->ctlbase),
172 };
173
174 return mso_send_control_message(sdi, ARRAY_AND_SIZE(ops));
175}
176
177static int mso_dac_out(struct sigrok_device_instance *sdi, uint16_t val)
178{
179 struct mso *mso = sdi->priv;
180 uint16_t ops[] = {
181 mso_trans(REG_DAC1, (val >> 8) & 0xff),
182 mso_trans(REG_DAC2, val & 0xff),
183 mso_trans(REG_CTL, mso->ctlbase | BIT_CTL_RESETADC),
184 };
185
186 return mso_send_control_message(sdi, ARRAY_AND_SIZE(ops));
187}
188
189static int mso_clkrate_out(struct sigrok_device_instance *sdi, uint16_t val)
190{
191 uint16_t ops[] = {
192 mso_trans(REG_CLKRATE1, (val >> 8) & 0xff),
193 mso_trans(REG_CLKRATE2, val & 0xff),
194 };
195
196 return mso_send_control_message(sdi, ARRAY_AND_SIZE(ops));
197}
198
199static int mso_configure_rate(struct sigrok_device_instance *sdi,
200 uint32_t rate)
201{
202 struct mso *mso = sdi->priv;
203 unsigned int i;
204 int ret = SIGROK_ERR;
205
206 for (i = 0; i < ARRAY_SIZE(rate_map); i++) {
207 if (rate_map[i].rate == rate) {
208 mso->slowmode = rate_map[i].slowmode;
209 ret = mso_clkrate_out(sdi, rate_map[i].val);
210 if (ret == SIGROK_OK)
211 mso->cur_rate = rate;
212 return ret;
213 }
214 }
215 return ret;
216}
217
218
219static inline uint16_t mso_calc_raw_from_mv(struct mso *mso)
220{
221 return (uint16_t) (0x200 -
222 ((mso->dso_trigger_voltage / mso->dso_probe_attn) /
223 mso->vbit));
224}
225
226static int mso_configure_trigger(struct sigrok_device_instance *sdi)
227{
228 struct mso *mso = sdi->priv;
229 uint16_t ops[16];
230 uint16_t dso_trigger = mso_calc_raw_from_mv(mso);
231
232 dso_trigger &= 0x3ff;
233 if ((!mso->trigger_slope && mso->trigger_chan == 1) ||
234 (mso->trigger_slope &&
235 (mso->trigger_chan == 0 ||
236 mso->trigger_chan == 2 ||
237 mso->trigger_chan == 3)))
238 dso_trigger |= 0x400;
239
240 switch (mso->trigger_chan) {
241 case 1:
242 dso_trigger |= 0xe000;
243 case 2:
244 dso_trigger |= 0x4000;
245 break;
246 case 3:
247 dso_trigger |= 0x2000;
248 break;
249 case 4:
250 dso_trigger |= 0xa000;
251 break;
252 case 5:
253 dso_trigger |= 0x8000;
254 break;
255 default:
256 case 0:
257 break;
258 }
259
260 switch (mso->trigger_outsrc) {
261 case 1:
262 dso_trigger |= 0x800;
263 break;
264 case 2:
265 dso_trigger |= 0x1000;
266 break;
267 case 3:
268 dso_trigger |= 0x1800;
269 break;
270
271 }
272
273 ops[0] = mso_trans(5, mso->la_trigger);
274 ops[1] = mso_trans(6, mso->la_trigger_mask);
275 ops[2] = mso_trans(3, dso_trigger & 0xff);
276 ops[3] = mso_trans(4, (dso_trigger >> 8) & 0xff);
277 ops[4] = mso_trans(11,
278 mso->dso_trigger_width / HZ_TO_NS(mso->cur_rate));
279 ops[5] = mso_trans(15, (2 | mso->slowmode));
280
281 /* FIXME SPI/I2C Triggers */
282 ops[6] = mso_trans(0, 0);
283 ops[7] = mso_trans(1, 0);
284 ops[8] = mso_trans(2, 0);
285 ops[9] = mso_trans(3, 0);
286 ops[10] = mso_trans(4, 0xff);
287 ops[11] = mso_trans(5, 0xff);
288 ops[12] = mso_trans(6, 0xff);
289 ops[13] = mso_trans(7, 0xff);
290 ops[14] = mso_trans(8, mso->trigger_spimode);
291 ops[15] = mso_trans(15, mso->slowmode);
292
293 return mso_send_control_message(sdi, ARRAY_AND_SIZE(ops));
294}
295
296static int mso_configure_threshold_level(struct sigrok_device_instance *sdi)
297{
298 struct mso *mso = sdi->priv;
299
300 return mso_dac_out(sdi, la_threshold_map[mso->la_threshold]);
301}
302
303static int mso_parse_serial(const char *iSerial, const char *iProduct,
304 struct mso *mso)
305{
306 unsigned int u1, u2, u3, u4, u5, u6;
307
308 iProduct = iProduct;
309 /* FIXME: This code is in the original app, but I think its
310 * used only for the GUI */
311/* if (strstr(iProduct, "REV_02") || strstr(iProduct, "REV_03"))
312 mso->num_sample_rates = 0x16;
313 else
314 mso->num_sample_rates = 0x10; */
315
316 /* parse iSerial */
317 if (iSerial[0] != '4' || sscanf(iSerial, "%5u%3u%3u%1u%1u%6u",
318 &u1, &u2, &u3, &u4, &u5, &u6) != 6)
319 return SIGROK_ERR;
320 mso->hwmodel = u4;
321 mso->hwrev = u5;
322 mso->serial = u6;
323 mso->vbit = u1 / 10000;
324 if (mso->vbit == 0)
325 mso->vbit = 4.19195;
326 mso->dac_offset = u2;
327 if (mso->dac_offset == 0)
328 mso->dac_offset = 0x1ff;
329 mso->offset_range = u3;
330 if (mso->offset_range == 0)
331 mso->offset_range = 0x17d;
332
333 /*
334 * FIXME: There is more code on the original software to handle
335 * bigger iSerial strings, but as I can't test on my device
336 * I will not implement it yet
337 */
338
339 return SIGROK_OK;
340}
341
342static int hw_init(char *deviceinfo)
343{
344 struct sigrok_device_instance *sdi;
345 int devcnt = 0;
346 struct udev *udev;
347 struct udev_enumerate *enumerate;
348 struct udev_list_entry *devices, *dev_list_entry;
349 struct mso *mso;
350
351 deviceinfo = deviceinfo;
352
353 /* It's easier to map usb<->serial using udev */
354 /*
355 * FIXME: On windows we can get the same information from the
356 * registry, add an #ifdef here later
357 */
358 udev = udev_new();
359 if (!udev) {
360 g_warning("Failed to initialize udev.");
361 goto ret;
362 }
363 enumerate = udev_enumerate_new(udev);
364 udev_enumerate_add_match_subsystem(enumerate, "usb-serial");
365 udev_enumerate_scan_devices(enumerate);
366 devices = udev_enumerate_get_list_entry(enumerate);
367 udev_list_entry_foreach(dev_list_entry, devices) {
368 const char *syspath, *sysname, *idVendor, *idProduct,
369 *iSerial, *iProduct;
370 char path[32], manufacturer[32], product[32], hwrev[32];
371 struct udev_device *dev, *parent;
372 size_t s;
373
374 syspath = udev_list_entry_get_name(dev_list_entry);
375 dev = udev_device_new_from_syspath(udev, syspath);
376 sysname = udev_device_get_sysname(dev);
377 parent = udev_device_get_parent_with_subsystem_devtype(
378 dev, "usb", "usb_device");
379 if (!parent) {
380 g_warning("Unable to find parent usb device for %s",
381 sysname);
382 continue;
383 }
384
385 idVendor = udev_device_get_sysattr_value(parent, "idVendor");
386 idProduct = udev_device_get_sysattr_value(parent, "idProduct");
387 if (strcmp(USB_VENDOR, idVendor)
388 || strcmp(USB_PRODUCT, idProduct))
389 continue;
390
391 iSerial = udev_device_get_sysattr_value(parent, "serial");
392 iProduct = udev_device_get_sysattr_value(parent, "product");
393
394 snprintf(path, sizeof(path), "/dev/%s", sysname);
395
396 s = strcspn(iProduct, " ");
397 if (s > sizeof(product) ||
398 strlen(iProduct) - s > sizeof(manufacturer)) {
399 g_warning("Could not parse iProduct: %s", iProduct);
400 continue;
401 }
402 strncpy(product, iProduct, s);
403 product[s] = 0;
404 strcpy(manufacturer, iProduct + s);
405 sprintf(hwrev, "r%d", mso->hwrev);
406
407 mso = malloc(sizeof(struct mso));
408 if (!mso)
409 continue;
410 memset(mso, 0, sizeof(struct mso));
411
412 if (mso_parse_serial(iSerial, iProduct, mso) != SIGROK_OK) {
413 g_warning("Invalid iSerial: %s", iSerial);
414 goto err_free_mso;
415 }
416 /* hardware initial state */
417 mso->ctlbase = 0;
418
419 sdi = sigrok_device_instance_new(devcnt, ST_INITIALIZING,
420 manufacturer, product, hwrev);
421 if (!sdi) {
422 g_warning("Unable to create device instance for %s",
423 sysname);
424 goto err_free_mso;
425 }
426
427 /* save a pointer to our private instance data */
428 sdi->priv = mso;
429
430 sdi->serial = serial_device_instance_new(path, -1);
431 if (!sdi->serial)
432 goto err_device_instance_free;
433
434 device_instances = g_slist_append(device_instances, sdi);
435 devcnt++;
436 continue;
437
438err_device_instance_free:
439 sigrok_device_instance_free(sdi);
440err_free_mso:
441 free(mso);
442 }
443
444 udev_enumerate_unref(enumerate);
445 udev_unref(udev);
446
447ret:
448 return devcnt;
449}
450
451static void hw_cleanup(void)
452{
453 GSList *l;
454 struct sigrok_device_instance *sdi;
455
456 /* Properly close all devices. */
457 for (l = device_instances; l; l = l->next) {
458 sdi = l->data;
459 if (sdi->serial->fd != -1)
460 serial_close(sdi->serial->fd);
461 if (sdi->priv != NULL)
462 free(sdi->priv);
463 sigrok_device_instance_free(sdi);
464 }
465 g_slist_free(device_instances);
466 device_instances = NULL;
467}
468
469static int hw_opendev(int device_index)
470{
471 struct sigrok_device_instance *sdi;
472 struct mso *mso;
473 int ret = SIGROK_ERR;
474
475 if (!(sdi = get_sigrok_device_instance(device_instances, device_index)))
476 return ret;
477
478 mso = sdi->priv;
479 sdi->serial->fd = serial_open(sdi->serial->port, O_RDWR);
480 if (sdi->serial->fd == -1)
481 return ret;
482
483 ret = serial_set_params(sdi->serial->fd, 460800, 8, 0, 1, 2);
484 if (ret != SIGROK_OK)
485 return ret;
486
487 sdi->status = ST_ACTIVE;
488
489 /* FIXME: discard serial buffer */
490
491 mso_check_trigger(sdi, &mso->trigger_state);
492// g_warning("trigger state: %c", mso->trigger_state);
493
494 ret = mso_reset_adc(sdi);
495 if (ret != SIGROK_OK)
496 return ret;
497
498 mso_check_trigger(sdi, &mso->trigger_state);
499// g_warning("trigger state: %c", mso->trigger_state);
500
501// ret = mso_reset_fsm(sdi);
502// if (ret != SIGROK_OK)
503// return ret;
504
505// return SIGROK_ERR;
506 return SIGROK_OK;
507}
508
509static void hw_closedev(int device_index)
510{
511 struct sigrok_device_instance *sdi;
512
513 if (!(sdi = get_sigrok_device_instance(device_instances, device_index)))
514 return;
515
516 if (sdi->serial->fd != -1) {
517 serial_close(sdi->serial->fd);
518 sdi->serial->fd = -1;
519 sdi->status = ST_INACTIVE;
520 }
521}
522
523static void *hw_get_device_info(int device_index, int device_info_id)
524{
525 struct sigrok_device_instance *sdi;
526 struct mso *mso;
527 void *info = NULL;
528
529 if (!(sdi = get_sigrok_device_instance(device_instances, device_index)))
530 return NULL;
531 mso = sdi->priv;
532
533 switch (device_info_id) {
534 case DI_INSTANCE:
535 info = sdi;
536 break;
537 case DI_NUM_PROBES: /* FIXME: How to report analog probe? */
538 info = GINT_TO_POINTER(8);
539 break;
540 case DI_SAMPLERATES:
541 info = &samplerates;
542 break;
543 case DI_TRIGGER_TYPES:
544 info = "01"; /* FIXME */
545 break;
546 case DI_CUR_SAMPLERATE:
547 info = &mso->cur_rate;
548 break;
549 }
550 return info;
551}
552
553static int hw_get_status(int device_index)
554{
555 struct sigrok_device_instance *sdi;
556
557 if (!(sdi = get_sigrok_device_instance(device_instances, device_index)))
558 return ST_NOT_FOUND;
559
560 return sdi->status;
561}
562
563static int *hw_get_capabilities(void)
564{
565 return capabilities;
566}
567
568static int hw_set_configuration(int device_index, int capability, void *value)
569{
570 struct sigrok_device_instance *sdi;
571
572 if (!(sdi = get_sigrok_device_instance(device_instances, device_index)))
573 return SIGROK_ERR;
574
575 switch (capability) {
576 case HWCAP_SAMPLERATE:
577 return mso_configure_rate(sdi, *(uint64_t *) value);
578 case HWCAP_PROBECONFIG:
579 case HWCAP_LIMIT_SAMPLES:
580 default:
581 return SIGROK_OK; /* FIXME */
582 }
583
584}
585
586#define MSO_TRIGGER_UNKNOWN '!'
587#define MSO_TRIGGER_UNKNOWN1 '1'
588#define MSO_TRIGGER_UNKNOWN2 '2'
589#define MSO_TRIGGER_UNKNOWN3 '3'
590#define MSO_TRIGGER_WAIT '4'
591#define MSO_TRIGGER_FIRED '5'
592#define MSO_TRIGGER_DATAREADY '6'
593
594/* FIXME: Pass errors? */
595static int receive_data(int fd, int revents, void *user_data)
596{
597 struct sigrok_device_instance *sdi = user_data;
598 struct mso *mso = sdi->priv;
599 struct datafeed_packet packet;
600 uint8_t in[1024], logic_out[1024];
601 double analog_out[1024];
602 size_t i, s;
603
604 revents = revents;
605
606 s = read(fd, in, sizeof(in));
607 if (s <= 0)
608 return FALSE;
609
610 /* No samples */
611 if (mso->trigger_state != MSO_TRIGGER_DATAREADY) {
612 mso->trigger_state = in[0];
613 if (mso->trigger_state == MSO_TRIGGER_DATAREADY) {
614 mso_read_buffer(sdi);
615 mso->buffer_n = 0;
616 } else {
617 mso_check_trigger(sdi, NULL);
618 }
619 return FALSE;
620 }
621
622 /* the hardware always dumps 1024 samples, 24bits each */
623 if (mso->buffer_n < 3072) {
624 memcpy(mso->buffer + mso->buffer_n, in, s);
625 mso->buffer_n += s;
626 }
627 if (mso->buffer_n < 3072)
628 return FALSE;
629
630 /* do the conversion */
631 for (i = 0; i < 1024; i++) {
632 /* FIXME: Need to do conversion to mV */
633 analog_out[i] = (mso->buffer[i * 3] & 0x3f) |
634 ((mso->buffer[i * 3 + 1] & 0xf) << 6);
635 logic_out[i] = ((mso->buffer[i * 3 + 1] & 0x30) >> 4) |
636 ((mso->buffer[i * 3 + 2] & 0x3f) << 2);
637 }
638
639 packet.type = DF_LOGIC;
640 packet.length = 1024;
641 packet.unitsize = 1;
642 packet.payload = logic_out;
643 session_bus(mso->session_id, &packet);
644
645
646 packet.type = DF_ANALOG;
647 packet.length = 1024;
648 packet.unitsize = sizeof(double);
649 packet.payload = analog_out;
650 session_bus(mso->session_id, &packet);
651
652 packet.type = DF_END;
653 session_bus(mso->session_id, &packet);
654
655 return TRUE;
656}
657
658static int hw_start_acquisition(int device_index, gpointer session_device_id)
659{
660 struct sigrok_device_instance *sdi;
661 struct mso *mso;
662 struct datafeed_packet packet;
663 struct datafeed_header header;
664 int ret = SIGROK_ERR;
665
666 if (!(sdi = get_sigrok_device_instance(device_instances, device_index)))
667 return ret;
668 mso = sdi->priv;
669
670 /* FIXME: No need to do full reconfigure every time */
671// ret = mso_reset_fsm(sdi);
672// if (ret != SIGROK_OK)
673// return ret;
674
675 /* FIXME: ACDC Mode */
676 mso->ctlbase &= 0x7f;
677// mso->ctlbase |= mso->acdcmode;
678
679 ret = mso_configure_rate(sdi, mso->cur_rate);
680 if (ret != SIGROK_OK)
681 return ret;
682
683 /* set dac offset */
684 ret = mso_dac_out(sdi, mso->dac_offset);
685 if (ret != SIGROK_OK)
686 return ret;
687
688 ret = mso_configure_threshold_level(sdi);
689 if (ret != SIGROK_OK)
690 return ret;
691
692 ret = mso_configure_trigger(sdi);
693 if (ret != SIGROK_OK)
694 return ret;
695
696 /* FIXME: trigger_position */
697
698
699 /* END of config hardware part */
700
701 /* with trigger */
702 ret = mso_arm(sdi);
703 if (ret != SIGROK_OK)
704 return ret;
705
706 /* without trigger */
707// ret = mso_force_capture(sdi);
708// if (ret != SIGROK_OK)
709// return ret;
710
711 mso_check_trigger(sdi, &mso->trigger_state);
712 ret = mso_check_trigger(sdi, NULL);
713 if (ret != SIGROK_OK)
714 return ret;
715
716 mso->session_id = session_device_id;
717 source_add(sdi->serial->fd, G_IO_IN, -1, receive_data, sdi);
718
719 packet.type = DF_HEADER;
720 packet.length = sizeof(struct datafeed_header);
721 packet.payload = (unsigned char *) &header;
722 header.feed_version = 1;
723 gettimeofday(&header.starttime, NULL);
724 header.samplerate = mso->cur_rate;
725 header.num_analog_probes = 1;
726 header.num_logic_probes = 8;
727 header.protocol_id = PROTO_RAW;
728 session_bus(session_device_id, &packet);
729
730 return ret;
731}
732
733/* FIXME */
734static void hw_stop_acquisition(int device_index, gpointer session_device_id)
735{
736 struct datafeed_packet packet;
737
738 device_index = device_index;
739
740 packet.type = DF_END;
741 session_bus(session_device_id, &packet);
742}
743
744struct device_plugin link_mso19_plugin_info = {
745 .name = "link-mso19",
746 .api_version = 1,
747 .init = hw_init,
748 .cleanup = hw_cleanup,
749
750 .open = hw_opendev,
751 .close = hw_closedev,
752 .get_device_info = hw_get_device_info,
753 .get_status = hw_get_status,
754 .get_capabilities = hw_get_capabilities,
755 .set_configuration = hw_set_configuration,
756 .start_acquisition = hw_start_acquisition,
757 .stop_acquisition = hw_stop_acquisition,
758};
Hardware access and backend lib