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3b533202 BV |
1 | /* |
2 | * This file is part of the sigrok project. | |
3 | * | |
4 | * Copyright (C) 2012 Bert Vermeulen <bert@biot.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 | * 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. | |
15 | * | |
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/>. | |
18 | */ | |
19 | ||
20 | #include <stdio.h> | |
21 | #include <stdint.h> | |
22 | #include <stdlib.h> | |
23 | #include <sys/types.h> | |
24 | #include <sys/stat.h> | |
25 | #include <fcntl.h> | |
26 | #include <unistd.h> | |
27 | #include <string.h> | |
28 | #include <sys/time.h> | |
29 | #include <inttypes.h> | |
3b533202 BV |
30 | #include <glib.h> |
31 | #include <libusb.h> | |
45c59c8b BV |
32 | #include "libsigrok.h" |
33 | #include "libsigrok-internal.h" | |
3b533202 BV |
34 | #include "dso.h" |
35 | ||
fc8fe3e3 BV |
36 | /* Max time in ms before we want to check on USB events */ |
37 | /* TODO tune this properly */ | |
e98b7f1b | 38 | #define TICK 1 |
3b533202 | 39 | |
79917848 BV |
40 | #define NUM_TIMEBASE 10 |
41 | #define NUM_VDIV 8 | |
42 | ||
f627afd6 | 43 | static const int32_t devopts[] = { |
1953564a | 44 | SR_CONF_OSCILLOSCOPE, |
be6db330 | 45 | SR_CONF_LIMIT_FRAMES, |
1953564a BV |
46 | SR_CONF_CONTINUOUS, |
47 | SR_CONF_TIMEBASE, | |
48 | SR_CONF_BUFFERSIZE, | |
49 | SR_CONF_TRIGGER_SOURCE, | |
50 | SR_CONF_TRIGGER_SLOPE, | |
51 | SR_CONF_HORIZ_TRIGGERPOS, | |
52 | SR_CONF_FILTER, | |
53 | SR_CONF_VDIV, | |
54 | SR_CONF_COUPLING, | |
79917848 BV |
55 | SR_CONF_NUM_TIMEBASE, |
56 | SR_CONF_NUM_VDIV, | |
3b533202 BV |
57 | }; |
58 | ||
59 | static const char *probe_names[] = { | |
78693401 | 60 | "CH1", "CH2", |
3b533202 BV |
61 | NULL, |
62 | }; | |
63 | ||
034accb5 BV |
64 | static const uint64_t buffersizes_32k[] = { |
65 | 10240, 32768, | |
66 | }; | |
67 | static const uint64_t buffersizes_512k[] = { | |
68 | 10240, 524288, | |
69 | }; | |
70 | static const uint64_t buffersizes_14k[] = { | |
71 | 10240, 14336, | |
72 | }; | |
73 | ||
62bb8840 | 74 | static const struct dso_profile dev_profiles[] = { |
88a13f30 | 75 | { 0x04b4, 0x2090, 0x04b5, 0x2090, |
3b533202 | 76 | "Hantek", "DSO-2090", |
034accb5 | 77 | buffersizes_32k, |
7b78b2f7 | 78 | FIRMWARE_DIR "/hantek-dso-2090.fw" }, |
88a13f30 BV |
79 | { 0x04b4, 0x2150, 0x04b5, 0x2150, |
80 | "Hantek", "DSO-2150", | |
034accb5 | 81 | buffersizes_32k, |
7b78b2f7 | 82 | FIRMWARE_DIR "/hantek-dso-2150.fw" }, |
88a13f30 BV |
83 | { 0x04b4, 0x2250, 0x04b5, 0x2250, |
84 | "Hantek", "DSO-2250", | |
034accb5 | 85 | buffersizes_512k, |
7b78b2f7 | 86 | FIRMWARE_DIR "/hantek-dso-2250.fw" }, |
88a13f30 BV |
87 | { 0x04b4, 0x5200, 0x04b5, 0x5200, |
88 | "Hantek", "DSO-5200", | |
034accb5 | 89 | buffersizes_14k, |
7b78b2f7 | 90 | FIRMWARE_DIR "/hantek-dso-5200.fw" }, |
88a13f30 BV |
91 | { 0x04b4, 0x520a, 0x04b5, 0x520a, |
92 | "Hantek", "DSO-5200A", | |
034accb5 | 93 | buffersizes_512k, |
7b78b2f7 | 94 | FIRMWARE_DIR "/hantek-dso-5200A.fw" }, |
034accb5 | 95 | { 0, 0, 0, 0, 0, 0, 0, 0 }, |
a370ef19 BV |
96 | }; |
97 | ||
86bb3f4a | 98 | static const uint64_t timebases[][2] = { |
a370ef19 BV |
99 | /* microseconds */ |
100 | { 10, 1000000 }, | |
101 | { 20, 1000000 }, | |
102 | { 40, 1000000 }, | |
103 | { 100, 1000000 }, | |
104 | { 200, 1000000 }, | |
105 | { 400, 1000000 }, | |
106 | /* milliseconds */ | |
107 | { 1, 1000 }, | |
108 | { 2, 1000 }, | |
109 | { 4, 1000 }, | |
110 | { 10, 1000 }, | |
111 | { 20, 1000 }, | |
112 | { 40, 1000 }, | |
113 | { 100, 1000 }, | |
114 | { 200, 1000 }, | |
115 | { 400, 1000 }, | |
a370ef19 BV |
116 | }; |
117 | ||
86bb3f4a | 118 | static const uint64_t vdivs[][2] = { |
313deed2 BV |
119 | /* millivolts */ |
120 | { 10, 1000 }, | |
121 | { 20, 1000 }, | |
122 | { 50, 1000 }, | |
123 | { 100, 1000 }, | |
124 | { 200, 1000 }, | |
125 | { 500, 1000 }, | |
126 | /* volts */ | |
127 | { 1, 1 }, | |
128 | { 2, 1 }, | |
129 | { 5, 1 }, | |
313deed2 BV |
130 | }; |
131 | ||
62bb8840 | 132 | static const char *trigger_sources[] = { |
a370ef19 BV |
133 | "CH1", |
134 | "CH2", | |
135 | "EXT", | |
88a13f30 | 136 | /* TODO: forced */ |
a370ef19 | 137 | }; |
3b533202 | 138 | |
62bb8840 | 139 | static const char *filter_targets[] = { |
ebb781a6 BV |
140 | "CH1", |
141 | "CH2", | |
142 | /* TODO: "TRIGGER", */ | |
ebb781a6 BV |
143 | }; |
144 | ||
62bb8840 | 145 | static const char *coupling[] = { |
b58fbd99 BV |
146 | "AC", |
147 | "DC", | |
148 | "GND", | |
b58fbd99 BV |
149 | }; |
150 | ||
982947f7 | 151 | SR_PRIV struct sr_dev_driver hantek_dso_driver_info; |
a873c594 | 152 | static struct sr_dev_driver *di = &hantek_dso_driver_info; |
e98b7f1b | 153 | |
69b07d14 | 154 | static int hw_dev_acquisition_stop(struct sr_dev_inst *sdi, void *cb_data); |
3b533202 | 155 | |
62bb8840 | 156 | static struct sr_dev_inst *dso_dev_new(int index, const struct dso_profile *prof) |
3b533202 BV |
157 | { |
158 | struct sr_dev_inst *sdi; | |
87ca93c5 | 159 | struct sr_probe *probe; |
269971dd BV |
160 | struct drv_context *drvc; |
161 | struct dev_context *devc; | |
87ca93c5 | 162 | int i; |
3b533202 BV |
163 | |
164 | sdi = sr_dev_inst_new(index, SR_ST_INITIALIZING, | |
88a13f30 | 165 | prof->vendor, prof->model, NULL); |
3b533202 BV |
166 | if (!sdi) |
167 | return NULL; | |
a873c594 | 168 | sdi->driver = di; |
3b533202 | 169 | |
e98b7f1b UH |
170 | /* |
171 | * Add only the real probes -- EXT isn't a source of data, only | |
87ca93c5 BV |
172 | * a trigger source internal to the device. |
173 | */ | |
174 | for (i = 0; probe_names[i]; i++) { | |
175 | if (!(probe = sr_probe_new(i, SR_PROBE_ANALOG, TRUE, | |
176 | probe_names[i]))) | |
177 | return NULL; | |
178 | sdi->probes = g_slist_append(sdi->probes, probe); | |
179 | } | |
180 | ||
269971dd | 181 | if (!(devc = g_try_malloc0(sizeof(struct dev_context)))) { |
e98b7f1b | 182 | sr_err("Device context malloc failed."); |
3b533202 BV |
183 | return NULL; |
184 | } | |
e98b7f1b | 185 | |
269971dd BV |
186 | devc->profile = prof; |
187 | devc->dev_state = IDLE; | |
188 | devc->timebase = DEFAULT_TIMEBASE; | |
189 | devc->ch1_enabled = TRUE; | |
190 | devc->ch2_enabled = TRUE; | |
191 | devc->voltage_ch1 = DEFAULT_VOLTAGE; | |
192 | devc->voltage_ch2 = DEFAULT_VOLTAGE; | |
193 | devc->coupling_ch1 = DEFAULT_COUPLING; | |
194 | devc->coupling_ch2 = DEFAULT_COUPLING; | |
195 | devc->voffset_ch1 = DEFAULT_VERT_OFFSET; | |
196 | devc->voffset_ch2 = DEFAULT_VERT_OFFSET; | |
197 | devc->voffset_trigger = DEFAULT_VERT_TRIGGERPOS; | |
198 | devc->framesize = DEFAULT_FRAMESIZE; | |
199 | devc->triggerslope = SLOPE_POSITIVE; | |
200 | devc->triggersource = g_strdup(DEFAULT_TRIGGER_SOURCE); | |
201 | devc->triggerposition = DEFAULT_HORIZ_TRIGGERPOS; | |
202 | sdi->priv = devc; | |
a873c594 | 203 | drvc = di->priv; |
269971dd | 204 | drvc->instances = g_slist_append(drvc->instances, sdi); |
3b533202 BV |
205 | |
206 | return sdi; | |
207 | } | |
208 | ||
014359e3 | 209 | static int configure_probes(const struct sr_dev_inst *sdi) |
3b533202 | 210 | { |
014359e3 | 211 | struct dev_context *devc; |
69e19dd7 | 212 | struct sr_probe *probe; |
62bb8840 | 213 | const GSList *l; |
69e19dd7 | 214 | int p; |
3b533202 | 215 | |
014359e3 BV |
216 | devc = sdi->priv; |
217 | ||
69e19dd7 | 218 | g_slist_free(devc->enabled_probes); |
269971dd | 219 | devc->ch1_enabled = devc->ch2_enabled = FALSE; |
69e19dd7 BV |
220 | for (l = sdi->probes, p = 0; l; l = l->next, p++) { |
221 | probe = l->data; | |
222 | if (p == 0) | |
269971dd | 223 | devc->ch1_enabled = probe->enabled; |
69e19dd7 | 224 | else |
269971dd | 225 | devc->ch2_enabled = probe->enabled; |
69e19dd7 BV |
226 | if (probe->enabled) |
227 | devc->enabled_probes = g_slist_append(devc->enabled_probes, probe); | |
3b533202 BV |
228 | } |
229 | ||
230 | return SR_OK; | |
231 | } | |
232 | ||
39cfdd75 | 233 | /* Properly close and free all devices. */ |
811deee4 | 234 | static int clear_instances(void) |
39cfdd75 BV |
235 | { |
236 | struct sr_dev_inst *sdi; | |
269971dd BV |
237 | struct drv_context *drvc; |
238 | struct dev_context *devc; | |
39cfdd75 BV |
239 | GSList *l; |
240 | ||
a873c594 | 241 | drvc = di->priv; |
269971dd | 242 | for (l = drvc->instances; l; l = l->next) { |
39cfdd75 BV |
243 | if (!(sdi = l->data)) { |
244 | /* Log error, but continue cleaning up the rest. */ | |
e98b7f1b | 245 | sr_err("%s: sdi was NULL, continuing", __func__); |
39cfdd75 BV |
246 | continue; |
247 | } | |
269971dd | 248 | if (!(devc = sdi->priv)) { |
39cfdd75 | 249 | /* Log error, but continue cleaning up the rest. */ |
e98b7f1b | 250 | sr_err("%s: sdi->priv was NULL, continuing", __func__); |
39cfdd75 BV |
251 | continue; |
252 | } | |
253 | dso_close(sdi); | |
c118080b | 254 | sr_usb_dev_inst_free(sdi->conn); |
269971dd | 255 | g_free(devc->triggersource); |
69e19dd7 | 256 | g_slist_free(devc->enabled_probes); |
39cfdd75 BV |
257 | |
258 | sr_dev_inst_free(sdi); | |
259 | } | |
260 | ||
269971dd BV |
261 | g_slist_free(drvc->instances); |
262 | drvc->instances = NULL; | |
39cfdd75 | 263 | |
811deee4 | 264 | return SR_OK; |
39cfdd75 BV |
265 | } |
266 | ||
34f06b90 | 267 | static int hw_init(struct sr_context *sr_ctx) |
61136ea6 | 268 | { |
063e7aef | 269 | return std_hw_init(sr_ctx, di, DRIVER_LOG_DOMAIN); |
61136ea6 BV |
270 | } |
271 | ||
39cfdd75 | 272 | static GSList *hw_scan(GSList *options) |
3b533202 BV |
273 | { |
274 | struct sr_dev_inst *sdi; | |
62bb8840 | 275 | const struct dso_profile *prof; |
269971dd BV |
276 | struct drv_context *drvc; |
277 | struct dev_context *devc; | |
39cfdd75 BV |
278 | GSList *devices; |
279 | struct libusb_device_descriptor des; | |
3b533202 | 280 | libusb_device **devlist; |
61136ea6 | 281 | int devcnt, ret, i, j; |
3b533202 | 282 | |
39cfdd75 | 283 | (void)options; |
e98b7f1b | 284 | |
a873c594 | 285 | drvc = di->priv; |
269971dd | 286 | drvc->instances = NULL; |
39cfdd75 | 287 | |
4b97c74e UH |
288 | devcnt = 0; |
289 | devices = 0; | |
290 | ||
39cfdd75 BV |
291 | clear_instances(); |
292 | ||
293 | /* Find all Hantek DSO devices and upload firmware to all of them. */ | |
d4abb463 | 294 | libusb_get_device_list(drvc->sr_ctx->libusb_ctx, &devlist); |
3b533202 | 295 | for (i = 0; devlist[i]; i++) { |
61136ea6 | 296 | if ((ret = libusb_get_device_descriptor(devlist[i], &des))) { |
d4928d71 PS |
297 | sr_err("Failed to get device descriptor: %s.", |
298 | libusb_error_name(ret)); | |
3b533202 BV |
299 | continue; |
300 | } | |
301 | ||
302 | prof = NULL; | |
303 | for (j = 0; dev_profiles[j].orig_vid; j++) { | |
304 | if (des.idVendor == dev_profiles[j].orig_vid | |
305 | && des.idProduct == dev_profiles[j].orig_pid) { | |
306 | /* Device matches the pre-firmware profile. */ | |
307 | prof = &dev_profiles[j]; | |
e98b7f1b | 308 | sr_dbg("Found a %s %s.", prof->vendor, prof->model); |
3b533202 | 309 | sdi = dso_dev_new(devcnt, prof); |
39cfdd75 | 310 | devices = g_slist_append(devices, sdi); |
269971dd | 311 | devc = sdi->priv; |
3b533202 BV |
312 | if (ezusb_upload_firmware(devlist[i], USB_CONFIGURATION, |
313 | prof->firmware) == SR_OK) | |
314 | /* Remember when the firmware on this device was updated */ | |
269971dd | 315 | devc->fw_updated = g_get_monotonic_time(); |
3b533202 | 316 | else |
e98b7f1b UH |
317 | sr_err("Firmware upload failed for " |
318 | "device %d.", devcnt); | |
3b533202 | 319 | /* Dummy USB address of 0xff will get overwritten later. */ |
c118080b | 320 | sdi->conn = sr_usb_dev_inst_new( |
3b533202 BV |
321 | libusb_get_bus_number(devlist[i]), 0xff, NULL); |
322 | devcnt++; | |
323 | break; | |
324 | } else if (des.idVendor == dev_profiles[j].fw_vid | |
325 | && des.idProduct == dev_profiles[j].fw_pid) { | |
326 | /* Device matches the post-firmware profile. */ | |
327 | prof = &dev_profiles[j]; | |
e98b7f1b | 328 | sr_dbg("Found a %s %s.", prof->vendor, prof->model); |
3b533202 BV |
329 | sdi = dso_dev_new(devcnt, prof); |
330 | sdi->status = SR_ST_INACTIVE; | |
39cfdd75 | 331 | devices = g_slist_append(devices, sdi); |
269971dd | 332 | devc = sdi->priv; |
c118080b | 333 | sdi->conn = sr_usb_dev_inst_new( |
3b533202 BV |
334 | libusb_get_bus_number(devlist[i]), |
335 | libusb_get_device_address(devlist[i]), NULL); | |
336 | devcnt++; | |
337 | break; | |
338 | } | |
339 | } | |
340 | if (!prof) | |
341 | /* not a supported VID/PID */ | |
342 | continue; | |
343 | } | |
344 | libusb_free_device_list(devlist, 1); | |
345 | ||
39cfdd75 | 346 | return devices; |
3b533202 BV |
347 | } |
348 | ||
811deee4 BV |
349 | static GSList *hw_dev_list(void) |
350 | { | |
0e94d524 | 351 | return ((struct drv_context *)(di->priv))->instances; |
811deee4 BV |
352 | } |
353 | ||
25a0f108 | 354 | static int hw_dev_open(struct sr_dev_inst *sdi) |
3b533202 | 355 | { |
269971dd | 356 | struct dev_context *devc; |
c118080b | 357 | struct sr_usb_dev_inst *usb; |
fc8fe3e3 BV |
358 | int64_t timediff_us, timediff_ms; |
359 | int err; | |
3b533202 | 360 | |
269971dd | 361 | devc = sdi->priv; |
c118080b | 362 | usb = sdi->conn; |
3b533202 BV |
363 | |
364 | /* | |
e98b7f1b UH |
365 | * If the firmware was recently uploaded, wait up to MAX_RENUM_DELAY_MS |
366 | * for the FX2 to renumerate. | |
3b533202 | 367 | */ |
fc8fe3e3 | 368 | err = SR_ERR; |
269971dd | 369 | if (devc->fw_updated > 0) { |
e98b7f1b UH |
370 | sr_info("Waiting for device to reset."); |
371 | /* Takes >= 300ms for the FX2 to be gone from the USB bus. */ | |
3b533202 | 372 | g_usleep(300 * 1000); |
fc8fe3e3 BV |
373 | timediff_ms = 0; |
374 | while (timediff_ms < MAX_RENUM_DELAY_MS) { | |
25a0f108 | 375 | if ((err = dso_open(sdi)) == SR_OK) |
3b533202 BV |
376 | break; |
377 | g_usleep(100 * 1000); | |
269971dd | 378 | timediff_us = g_get_monotonic_time() - devc->fw_updated; |
fc8fe3e3 | 379 | timediff_ms = timediff_us / 1000; |
e98b7f1b | 380 | sr_spew("Waited %" PRIi64 " ms.", timediff_ms); |
3b533202 | 381 | } |
e98b7f1b | 382 | sr_info("Device came back after %d ms.", timediff_ms); |
3b533202 | 383 | } else { |
25a0f108 | 384 | err = dso_open(sdi); |
3b533202 BV |
385 | } |
386 | ||
387 | if (err != SR_OK) { | |
e98b7f1b | 388 | sr_err("Unable to open device."); |
3b533202 BV |
389 | return SR_ERR; |
390 | } | |
391 | ||
c118080b | 392 | err = libusb_claim_interface(usb->devhdl, USB_INTERFACE); |
3b533202 | 393 | if (err != 0) { |
d4928d71 PS |
394 | sr_err("Unable to claim interface: %s.", |
395 | libusb_error_name(err)); | |
3b533202 BV |
396 | return SR_ERR; |
397 | } | |
398 | ||
399 | return SR_OK; | |
400 | } | |
401 | ||
25a0f108 | 402 | static int hw_dev_close(struct sr_dev_inst *sdi) |
3b533202 | 403 | { |
3b533202 BV |
404 | dso_close(sdi); |
405 | ||
406 | return SR_OK; | |
407 | } | |
408 | ||
409 | static int hw_cleanup(void) | |
410 | { | |
269971dd BV |
411 | struct drv_context *drvc; |
412 | ||
a873c594 | 413 | if (!(drvc = di->priv)) |
269971dd | 414 | return SR_OK; |
3b533202 | 415 | |
39cfdd75 | 416 | clear_instances(); |
3b533202 | 417 | |
3b533202 BV |
418 | return SR_OK; |
419 | } | |
420 | ||
79917848 BV |
421 | static int config_get(int id, GVariant **data, const struct sr_dev_inst *sdi) |
422 | { | |
423 | ||
424 | (void)sdi; | |
425 | ||
426 | switch (id) { | |
427 | case SR_CONF_NUM_TIMEBASE: | |
428 | *data = g_variant_new_int32(NUM_TIMEBASE); | |
429 | break; | |
430 | case SR_CONF_NUM_VDIV: | |
431 | *data = g_variant_new_int32(NUM_VDIV); | |
432 | break; | |
433 | default: | |
bd6fbf62 | 434 | return SR_ERR_NA; |
79917848 BV |
435 | } |
436 | ||
437 | return SR_OK; | |
438 | } | |
439 | ||
f627afd6 | 440 | static int config_set(int id, GVariant *data, const struct sr_dev_inst *sdi) |
3b533202 | 441 | { |
269971dd | 442 | struct dev_context *devc; |
f627afd6 | 443 | double tmp_double; |
86bb3f4a | 444 | uint64_t tmp_u64, p, q; |
f627afd6 BV |
445 | int tmp_int, ret; |
446 | unsigned int i; | |
447 | const char *tmp_str; | |
4a090d72 | 448 | char **targets; |
3b533202 | 449 | |
3b533202 BV |
450 | if (sdi->status != SR_ST_ACTIVE) |
451 | return SR_ERR; | |
452 | ||
a370ef19 | 453 | ret = SR_OK; |
269971dd | 454 | devc = sdi->priv; |
035a1078 | 455 | switch (id) { |
1953564a | 456 | case SR_CONF_LIMIT_FRAMES: |
f627afd6 | 457 | devc->limit_frames = g_variant_get_uint64(data); |
ae88b97b | 458 | break; |
1953564a | 459 | case SR_CONF_TRIGGER_SLOPE: |
f627afd6 | 460 | tmp_u64 = g_variant_get_uint64(data); |
a370ef19 BV |
461 | if (tmp_u64 != SLOPE_NEGATIVE && tmp_u64 != SLOPE_POSITIVE) |
462 | ret = SR_ERR_ARG; | |
269971dd | 463 | devc->triggerslope = tmp_u64; |
a370ef19 | 464 | break; |
1953564a | 465 | case SR_CONF_HORIZ_TRIGGERPOS: |
f627afd6 BV |
466 | tmp_double = g_variant_get_double(data); |
467 | if (tmp_double < 0.0 || tmp_double > 1.0) { | |
e98b7f1b | 468 | sr_err("Trigger position should be between 0.0 and 1.0."); |
3b533202 | 469 | ret = SR_ERR_ARG; |
a370ef19 | 470 | } else |
f627afd6 | 471 | devc->triggerposition = tmp_double; |
a370ef19 | 472 | break; |
1953564a | 473 | case SR_CONF_BUFFERSIZE: |
f627afd6 | 474 | tmp_u64 = g_variant_get_uint64(data); |
034accb5 BV |
475 | for (i = 0; i < 2; i++) { |
476 | if (devc->profile->buffersizes[i] == tmp_u64) { | |
269971dd | 477 | devc->framesize = tmp_u64; |
a370ef19 BV |
478 | break; |
479 | } | |
480 | } | |
034accb5 | 481 | if (i == 2) |
a370ef19 BV |
482 | ret = SR_ERR_ARG; |
483 | break; | |
1953564a | 484 | case SR_CONF_TIMEBASE: |
86bb3f4a | 485 | g_variant_get(data, "(tt)", &p, &q); |
f627afd6 BV |
486 | tmp_int = -1; |
487 | for (i = 0; i < ARRAY_SIZE(timebases); i++) { | |
488 | if (timebases[i][0] == p && timebases[i][1] == q) { | |
489 | tmp_int = i; | |
a370ef19 BV |
490 | break; |
491 | } | |
492 | } | |
f627afd6 BV |
493 | if (tmp_int >= 0) |
494 | devc->timebase = tmp_int; | |
495 | else | |
a370ef19 BV |
496 | ret = SR_ERR_ARG; |
497 | break; | |
1953564a | 498 | case SR_CONF_TRIGGER_SOURCE: |
f627afd6 | 499 | tmp_str = g_variant_get_string(data, NULL); |
a370ef19 | 500 | for (i = 0; trigger_sources[i]; i++) { |
f627afd6 BV |
501 | if (!strcmp(tmp_str, trigger_sources[i])) { |
502 | devc->triggersource = g_strdup(tmp_str); | |
a370ef19 BV |
503 | break; |
504 | } | |
505 | } | |
506 | if (trigger_sources[i] == 0) | |
507 | ret = SR_ERR_ARG; | |
508 | break; | |
1953564a | 509 | case SR_CONF_FILTER: |
f627afd6 | 510 | tmp_str = g_variant_get_string(data, NULL); |
269971dd | 511 | devc->filter_ch1 = devc->filter_ch2 = devc->filter_trigger = 0; |
f627afd6 | 512 | targets = g_strsplit(tmp_str, ",", 0); |
ebb781a6 BV |
513 | for (i = 0; targets[i]; i++) { |
514 | if (targets[i] == '\0') | |
515 | /* Empty filter string can be used to clear them all. */ | |
516 | ; | |
517 | else if (!strcmp(targets[i], "CH1")) | |
269971dd | 518 | devc->filter_ch1 = TRUE; |
ebb781a6 | 519 | else if (!strcmp(targets[i], "CH2")) |
269971dd | 520 | devc->filter_ch2 = TRUE; |
ebb781a6 | 521 | else if (!strcmp(targets[i], "TRIGGER")) |
269971dd | 522 | devc->filter_trigger = TRUE; |
ebb781a6 | 523 | else { |
e98b7f1b | 524 | sr_err("Invalid filter target %s.", targets[i]); |
ebb781a6 BV |
525 | ret = SR_ERR_ARG; |
526 | } | |
527 | } | |
528 | g_strfreev(targets); | |
529 | break; | |
1953564a | 530 | case SR_CONF_VDIV: |
e98b7f1b | 531 | /* TODO: Not supporting vdiv per channel yet. */ |
86bb3f4a | 532 | g_variant_get(data, "(tt)", &p, &q); |
f627afd6 BV |
533 | tmp_int = -1; |
534 | for (i = 0; i < ARRAY_SIZE(vdivs); i++) { | |
535 | if (vdivs[i][0] == p && vdivs[i][1] == q) { | |
536 | tmp_int = i; | |
313deed2 BV |
537 | break; |
538 | } | |
539 | } | |
f627afd6 BV |
540 | if (tmp_int >= 0) { |
541 | devc->voltage_ch1 = tmp_int; | |
542 | devc->voltage_ch2 = tmp_int; | |
543 | } else | |
313deed2 BV |
544 | ret = SR_ERR_ARG; |
545 | break; | |
1953564a | 546 | case SR_CONF_COUPLING: |
f627afd6 | 547 | tmp_str = g_variant_get_string(data, NULL); |
e98b7f1b | 548 | /* TODO: Not supporting coupling per channel yet. */ |
b58fbd99 | 549 | for (i = 0; coupling[i]; i++) { |
f627afd6 | 550 | if (!strcmp(tmp_str, coupling[i])) { |
269971dd BV |
551 | devc->coupling_ch1 = i; |
552 | devc->coupling_ch2 = i; | |
b58fbd99 BV |
553 | break; |
554 | } | |
555 | } | |
556 | if (coupling[i] == 0) | |
557 | ret = SR_ERR_ARG; | |
558 | break; | |
3b533202 | 559 | default: |
bd6fbf62 | 560 | ret = SR_ERR_NA; |
e98b7f1b | 561 | break; |
3b533202 BV |
562 | } |
563 | ||
564 | return ret; | |
565 | } | |
566 | ||
f627afd6 | 567 | static int config_list(int key, GVariant **data, const struct sr_dev_inst *sdi) |
a1c743fc | 568 | { |
034accb5 | 569 | struct dev_context *devc; |
3973ee26 BV |
570 | GVariant *tuple, *rational[2]; |
571 | GVariantBuilder gvb; | |
572 | unsigned int i; | |
a1c743fc BV |
573 | |
574 | (void)sdi; | |
575 | ||
034accb5 BV |
576 | if (!sdi) |
577 | return SR_ERR_ARG; | |
578 | ||
579 | devc = sdi->priv; | |
a1c743fc | 580 | switch (key) { |
9a6517d1 | 581 | case SR_CONF_DEVICE_OPTIONS: |
f627afd6 BV |
582 | *data = g_variant_new_fixed_array(G_VARIANT_TYPE_INT32, |
583 | devopts, ARRAY_SIZE(devopts), sizeof(int32_t)); | |
9a6517d1 | 584 | break; |
6d1ceffa | 585 | case SR_CONF_BUFFERSIZE: |
f627afd6 | 586 | *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT64, |
034accb5 | 587 | devc->profile->buffersizes, 2, sizeof(uint64_t)); |
6d1ceffa | 588 | break; |
2a7b113d | 589 | case SR_CONF_COUPLING: |
f627afd6 | 590 | *data = g_variant_new_strv(coupling, ARRAY_SIZE(coupling)); |
2a7b113d | 591 | break; |
e4f2b2ad | 592 | case SR_CONF_VDIV: |
3973ee26 BV |
593 | g_variant_builder_init(&gvb, G_VARIANT_TYPE_ARRAY); |
594 | for (i = 0; i < ARRAY_SIZE(vdivs); i++) { | |
595 | rational[0] = g_variant_new_uint64(vdivs[i][0]); | |
596 | rational[1] = g_variant_new_uint64(vdivs[i][1]); | |
597 | tuple = g_variant_new_tuple(rational, 2); | |
598 | g_variant_builder_add_value(&gvb, tuple); | |
599 | } | |
600 | *data = g_variant_builder_end(&gvb); | |
e4f2b2ad | 601 | break; |
6e1fbcc4 | 602 | case SR_CONF_FILTER: |
f627afd6 BV |
603 | *data = g_variant_new_strv(filter_targets, |
604 | ARRAY_SIZE(filter_targets)); | |
6e1fbcc4 | 605 | break; |
41f5bd09 | 606 | case SR_CONF_TIMEBASE: |
3973ee26 BV |
607 | g_variant_builder_init(&gvb, G_VARIANT_TYPE_ARRAY); |
608 | for (i = 0; i < ARRAY_SIZE(timebases); i++) { | |
609 | rational[0] = g_variant_new_uint64(timebases[i][0]); | |
610 | rational[1] = g_variant_new_uint64(timebases[i][1]); | |
611 | tuple = g_variant_new_tuple(rational, 2); | |
612 | g_variant_builder_add_value(&gvb, tuple); | |
613 | } | |
614 | *data = g_variant_builder_end(&gvb); | |
41f5bd09 | 615 | break; |
328bafab | 616 | case SR_CONF_TRIGGER_SOURCE: |
f627afd6 BV |
617 | *data = g_variant_new_strv(trigger_sources, |
618 | ARRAY_SIZE(trigger_sources)); | |
328bafab | 619 | break; |
a1c743fc | 620 | default: |
bd6fbf62 | 621 | return SR_ERR_NA; |
a1c743fc BV |
622 | } |
623 | ||
624 | return SR_OK; | |
625 | } | |
626 | ||
69e19dd7 | 627 | static void send_chunk(struct sr_dev_inst *sdi, unsigned char *buf, |
e749a8cb | 628 | int num_samples) |
3b533202 BV |
629 | { |
630 | struct sr_datafeed_packet packet; | |
631 | struct sr_datafeed_analog analog; | |
69e19dd7 | 632 | struct dev_context *devc; |
c5841b28 | 633 | float ch1, ch2, range; |
6e71ef3b | 634 | int num_probes, data_offset, i; |
3b533202 | 635 | |
69e19dd7 | 636 | devc = sdi->priv; |
269971dd | 637 | num_probes = (devc->ch1_enabled && devc->ch2_enabled) ? 2 : 1; |
3b533202 BV |
638 | packet.type = SR_DF_ANALOG; |
639 | packet.payload = &analog; | |
6e71ef3b | 640 | /* TODO: support for 5xxx series 9-bit samples */ |
69e19dd7 | 641 | analog.probes = devc->enabled_probes; |
e749a8cb | 642 | analog.num_samples = num_samples; |
9956f285 UH |
643 | analog.mq = SR_MQ_VOLTAGE; |
644 | analog.unit = SR_UNIT_VOLT; | |
886a52b6 | 645 | /* TODO: Check malloc return value. */ |
6e71ef3b BV |
646 | analog.data = g_try_malloc(analog.num_samples * sizeof(float) * num_probes); |
647 | data_offset = 0; | |
3b533202 | 648 | for (i = 0; i < analog.num_samples; i++) { |
e98b7f1b UH |
649 | /* |
650 | * The device always sends data for both channels. If a channel | |
6e71ef3b | 651 | * is disabled, it contains a copy of the enabled channel's |
e98b7f1b UH |
652 | * data. However, we only send the requested channels to |
653 | * the bus. | |
c5841b28 | 654 | * |
e98b7f1b UH |
655 | * Voltage values are encoded as a value 0-255 (0-512 on the |
656 | * DSO-5200*), where the value is a point in the range | |
657 | * represented by the vdiv setting. There are 8 vertical divs, | |
658 | * so e.g. 500mV/div represents 4V peak-to-peak where 0 = -2V | |
659 | * and 255 = +2V. | |
6e71ef3b | 660 | */ |
e98b7f1b | 661 | /* TODO: Support for DSO-5xxx series 9-bit samples. */ |
269971dd | 662 | if (devc->ch1_enabled) { |
f627afd6 | 663 | range = ((float)vdivs[devc->voltage_ch1][0] / vdivs[devc->voltage_ch1][1]) * 8; |
e749a8cb | 664 | ch1 = range / 255 * *(buf + i * 2 + 1); |
c5841b28 BV |
665 | /* Value is centered around 0V. */ |
666 | ch1 -= range / 2; | |
6e71ef3b BV |
667 | analog.data[data_offset++] = ch1; |
668 | } | |
269971dd | 669 | if (devc->ch2_enabled) { |
f627afd6 | 670 | range = ((float)vdivs[devc->voltage_ch2][0] / vdivs[devc->voltage_ch2][1]) * 8; |
e749a8cb | 671 | ch2 = range / 255 * *(buf + i * 2); |
c5841b28 | 672 | ch2 -= range / 2; |
6e71ef3b BV |
673 | analog.data[data_offset++] = ch2; |
674 | } | |
3b533202 | 675 | } |
269971dd | 676 | sr_session_send(devc->cb_data, &packet); |
e749a8cb BV |
677 | } |
678 | ||
e98b7f1b UH |
679 | /* |
680 | * Called by libusb (as triggered by handle_event()) when a transfer comes in. | |
e749a8cb | 681 | * Only channel data comes in asynchronously, and all transfers for this are |
e98b7f1b | 682 | * queued up beforehand, so this just needs to chuck the incoming data onto |
e749a8cb BV |
683 | * the libsigrok session bus. |
684 | */ | |
685 | static void receive_transfer(struct libusb_transfer *transfer) | |
686 | { | |
687 | struct sr_datafeed_packet packet; | |
69e19dd7 | 688 | struct sr_dev_inst *sdi; |
269971dd | 689 | struct dev_context *devc; |
e749a8cb BV |
690 | int num_samples, pre; |
691 | ||
69e19dd7 BV |
692 | sdi = transfer->user_data; |
693 | devc = sdi->priv; | |
d4007311 | 694 | sr_spew("receive_transfer(): status %d received %d bytes.", |
e98b7f1b | 695 | transfer->status, transfer->actual_length); |
e749a8cb BV |
696 | |
697 | if (transfer->actual_length == 0) | |
698 | /* Nothing to send to the bus. */ | |
699 | return; | |
700 | ||
701 | num_samples = transfer->actual_length / 2; | |
702 | ||
d4007311 | 703 | sr_spew("Got %d-%d/%d samples in frame.", devc->samp_received + 1, |
e98b7f1b | 704 | devc->samp_received + num_samples, devc->framesize); |
e749a8cb | 705 | |
e98b7f1b UH |
706 | /* |
707 | * The device always sends a full frame, but the beginning of the frame | |
e749a8cb BV |
708 | * doesn't represent the trigger point. The offset at which the trigger |
709 | * happened came in with the capture state, so we need to start sending | |
e98b7f1b UH |
710 | * from there up the session bus. The samples in the frame buffer |
711 | * before that trigger point came after the end of the device's frame | |
712 | * buffer was reached, and it wrapped around to overwrite up until the | |
713 | * trigger point. | |
e749a8cb | 714 | */ |
269971dd | 715 | if (devc->samp_received < devc->trigger_offset) { |
e749a8cb | 716 | /* Trigger point not yet reached. */ |
269971dd | 717 | if (devc->samp_received + num_samples < devc->trigger_offset) { |
e749a8cb | 718 | /* The entire chunk is before the trigger point. */ |
269971dd | 719 | memcpy(devc->framebuf + devc->samp_buffered * 2, |
e749a8cb | 720 | transfer->buffer, num_samples * 2); |
269971dd | 721 | devc->samp_buffered += num_samples; |
e749a8cb | 722 | } else { |
e98b7f1b UH |
723 | /* |
724 | * This chunk hits or overruns the trigger point. | |
e749a8cb | 725 | * Store the part before the trigger fired, and |
e98b7f1b UH |
726 | * send the rest up to the session bus. |
727 | */ | |
269971dd BV |
728 | pre = devc->trigger_offset - devc->samp_received; |
729 | memcpy(devc->framebuf + devc->samp_buffered * 2, | |
e749a8cb | 730 | transfer->buffer, pre * 2); |
269971dd | 731 | devc->samp_buffered += pre; |
e749a8cb BV |
732 | |
733 | /* The rest of this chunk starts with the trigger point. */ | |
e98b7f1b UH |
734 | sr_dbg("Reached trigger point, %d samples buffered.", |
735 | devc->samp_buffered); | |
e749a8cb BV |
736 | |
737 | /* Avoid the corner case where the chunk ended at | |
738 | * exactly the trigger point. */ | |
739 | if (num_samples > pre) | |
69e19dd7 | 740 | send_chunk(sdi, transfer->buffer + pre * 2, |
e749a8cb BV |
741 | num_samples - pre); |
742 | } | |
743 | } else { | |
744 | /* Already past the trigger point, just send it all out. */ | |
69e19dd7 | 745 | send_chunk(sdi, transfer->buffer, |
e749a8cb BV |
746 | num_samples); |
747 | } | |
748 | ||
269971dd | 749 | devc->samp_received += num_samples; |
e749a8cb BV |
750 | |
751 | /* Everything in this transfer was either copied to the buffer or | |
752 | * sent to the session bus. */ | |
3b533202 BV |
753 | g_free(transfer->buffer); |
754 | libusb_free_transfer(transfer); | |
3b533202 | 755 | |
269971dd | 756 | if (devc->samp_received >= devc->framesize) { |
e749a8cb BV |
757 | /* That was the last chunk in this frame. Send the buffered |
758 | * pre-trigger samples out now, in one big chunk. */ | |
e98b7f1b UH |
759 | sr_dbg("End of frame, sending %d pre-trigger buffered samples.", |
760 | devc->samp_buffered); | |
69e19dd7 | 761 | send_chunk(sdi, devc->framebuf, devc->samp_buffered); |
e749a8cb BV |
762 | |
763 | /* Mark the end of this frame. */ | |
ae88b97b | 764 | packet.type = SR_DF_FRAME_END; |
269971dd | 765 | sr_session_send(devc->cb_data, &packet); |
ae88b97b | 766 | |
269971dd | 767 | if (devc->limit_frames && ++devc->num_frames == devc->limit_frames) { |
ae88b97b | 768 | /* Terminate session */ |
a3508e33 | 769 | devc->dev_state = STOPPING; |
ae88b97b | 770 | } else { |
269971dd | 771 | devc->dev_state = NEW_CAPTURE; |
ae88b97b BV |
772 | } |
773 | } | |
3b533202 BV |
774 | } |
775 | ||
776 | static int handle_event(int fd, int revents, void *cb_data) | |
777 | { | |
a3508e33 | 778 | const struct sr_dev_inst *sdi; |
ae88b97b | 779 | struct sr_datafeed_packet packet; |
3b533202 | 780 | struct timeval tv; |
269971dd | 781 | struct dev_context *devc; |
a873c594 | 782 | struct drv_context *drvc = di->priv; |
a3508e33 BV |
783 | const struct libusb_pollfd **lupfd; |
784 | int num_probes, i; | |
6e6eeff4 BV |
785 | uint32_t trigger_offset; |
786 | uint8_t capturestate; | |
3b533202 | 787 | |
3b533202 BV |
788 | (void)fd; |
789 | (void)revents; | |
790 | ||
269971dd BV |
791 | sdi = cb_data; |
792 | devc = sdi->priv; | |
a3508e33 BV |
793 | if (devc->dev_state == STOPPING) { |
794 | /* We've been told to wind up the acquisition. */ | |
e98b7f1b UH |
795 | sr_dbg("Stopping acquisition."); |
796 | /* | |
797 | * TODO: Doesn't really cancel pending transfers so they might | |
798 | * come in after SR_DF_END is sent. | |
799 | */ | |
d4abb463 | 800 | lupfd = libusb_get_pollfds(drvc->sr_ctx->libusb_ctx); |
a3508e33 BV |
801 | for (i = 0; lupfd[i]; i++) |
802 | sr_source_remove(lupfd[i]->fd); | |
803 | free(lupfd); | |
804 | ||
805 | packet.type = SR_DF_END; | |
806 | sr_session_send(sdi, &packet); | |
807 | ||
808 | devc->dev_state = IDLE; | |
809 | ||
810 | return TRUE; | |
811 | } | |
812 | ||
3b533202 BV |
813 | /* Always handle pending libusb events. */ |
814 | tv.tv_sec = tv.tv_usec = 0; | |
d4abb463 | 815 | libusb_handle_events_timeout(drvc->sr_ctx->libusb_ctx, &tv); |
3b533202 | 816 | |
3b533202 | 817 | /* TODO: ugh */ |
269971dd | 818 | if (devc->dev_state == NEW_CAPTURE) { |
c118080b | 819 | if (dso_capture_start(sdi) != SR_OK) |
3b533202 | 820 | return TRUE; |
c118080b | 821 | if (dso_enable_trigger(sdi) != SR_OK) |
3b533202 | 822 | return TRUE; |
c118080b | 823 | // if (dso_force_trigger(sdi) != SR_OK) |
a370ef19 | 824 | // return TRUE; |
e98b7f1b | 825 | sr_dbg("Successfully requested next chunk."); |
269971dd | 826 | devc->dev_state = CAPTURE; |
3b533202 BV |
827 | return TRUE; |
828 | } | |
269971dd | 829 | if (devc->dev_state != CAPTURE) |
3b533202 BV |
830 | return TRUE; |
831 | ||
c118080b | 832 | if ((dso_get_capturestate(sdi, &capturestate, &trigger_offset)) != SR_OK) |
3b533202 | 833 | return TRUE; |
3b533202 | 834 | |
e98b7f1b UH |
835 | sr_dbg("Capturestate %d.", capturestate); |
836 | sr_dbg("Trigger offset 0x%.6x.", trigger_offset); | |
3b533202 BV |
837 | switch (capturestate) { |
838 | case CAPTURE_EMPTY: | |
269971dd BV |
839 | if (++devc->capture_empty_count >= MAX_CAPTURE_EMPTY) { |
840 | devc->capture_empty_count = 0; | |
c118080b | 841 | if (dso_capture_start(sdi) != SR_OK) |
3b533202 | 842 | break; |
c118080b | 843 | if (dso_enable_trigger(sdi) != SR_OK) |
3b533202 | 844 | break; |
c118080b | 845 | // if (dso_force_trigger(sdi) != SR_OK) |
a370ef19 | 846 | // break; |
e98b7f1b | 847 | sr_dbg("Successfully requested next chunk."); |
3b533202 BV |
848 | } |
849 | break; | |
850 | case CAPTURE_FILLING: | |
e98b7f1b | 851 | /* No data yet. */ |
3b533202 BV |
852 | break; |
853 | case CAPTURE_READY_8BIT: | |
e749a8cb | 854 | /* Remember where in the captured frame the trigger is. */ |
269971dd | 855 | devc->trigger_offset = trigger_offset; |
e749a8cb | 856 | |
269971dd | 857 | num_probes = (devc->ch1_enabled && devc->ch2_enabled) ? 2 : 1; |
886a52b6 | 858 | /* TODO: Check malloc return value. */ |
269971dd BV |
859 | devc->framebuf = g_try_malloc(devc->framesize * num_probes * 2); |
860 | devc->samp_buffered = devc->samp_received = 0; | |
e749a8cb | 861 | |
3b533202 | 862 | /* Tell the scope to send us the first frame. */ |
69e19dd7 | 863 | if (dso_get_channeldata(sdi, receive_transfer) != SR_OK) |
3b533202 | 864 | break; |
ae88b97b | 865 | |
e98b7f1b UH |
866 | /* |
867 | * Don't hit the state machine again until we're done fetching | |
ae88b97b BV |
868 | * the data we just told the scope to send. |
869 | */ | |
269971dd | 870 | devc->dev_state = FETCH_DATA; |
ae88b97b BV |
871 | |
872 | /* Tell the frontend a new frame is on the way. */ | |
873 | packet.type = SR_DF_FRAME_BEGIN; | |
269971dd | 874 | sr_session_send(sdi, &packet); |
3b533202 BV |
875 | break; |
876 | case CAPTURE_READY_9BIT: | |
877 | /* TODO */ | |
e98b7f1b | 878 | sr_err("Not yet supported."); |
3b533202 BV |
879 | break; |
880 | case CAPTURE_TIMEOUT: | |
881 | /* Doesn't matter, we'll try again next time. */ | |
882 | break; | |
883 | default: | |
e98b7f1b UH |
884 | sr_dbg("Unknown capture state: %d.", capturestate); |
885 | break; | |
3b533202 BV |
886 | } |
887 | ||
888 | return TRUE; | |
889 | } | |
890 | ||
3ffb6964 | 891 | static int hw_dev_acquisition_start(const struct sr_dev_inst *sdi, |
e98b7f1b | 892 | void *cb_data) |
3b533202 BV |
893 | { |
894 | const struct libusb_pollfd **lupfd; | |
269971dd | 895 | struct dev_context *devc; |
a873c594 | 896 | struct drv_context *drvc = di->priv; |
3b533202 BV |
897 | int i; |
898 | ||
3b533202 BV |
899 | if (sdi->status != SR_ST_ACTIVE) |
900 | return SR_ERR; | |
901 | ||
269971dd BV |
902 | devc = sdi->priv; |
903 | devc->cb_data = cb_data; | |
3b533202 | 904 | |
014359e3 | 905 | if (configure_probes(sdi) != SR_OK) { |
e98b7f1b | 906 | sr_err("Failed to configure probes."); |
014359e3 BV |
907 | return SR_ERR; |
908 | } | |
909 | ||
c118080b | 910 | if (dso_init(sdi) != SR_OK) |
3b533202 BV |
911 | return SR_ERR; |
912 | ||
c118080b | 913 | if (dso_capture_start(sdi) != SR_OK) |
3b533202 BV |
914 | return SR_ERR; |
915 | ||
269971dd | 916 | devc->dev_state = CAPTURE; |
d4abb463 | 917 | lupfd = libusb_get_pollfds(drvc->sr_ctx->libusb_ctx); |
3b533202 | 918 | for (i = 0; lupfd[i]; i++) |
e98b7f1b UH |
919 | sr_source_add(lupfd[i]->fd, lupfd[i]->events, TICK, |
920 | handle_event, (void *)sdi); | |
3b533202 BV |
921 | free(lupfd); |
922 | ||
923 | /* Send header packet to the session bus. */ | |
4afdfd46 | 924 | std_session_send_df_header(cb_data, DRIVER_LOG_DOMAIN); |
3b533202 | 925 | |
3b533202 BV |
926 | return SR_OK; |
927 | } | |
928 | ||
69b07d14 | 929 | static int hw_dev_acquisition_stop(struct sr_dev_inst *sdi, void *cb_data) |
3b533202 | 930 | { |
269971dd BV |
931 | struct dev_context *devc; |
932 | ||
933 | (void)cb_data; | |
3b533202 | 934 | |
3b533202 BV |
935 | if (sdi->status != SR_ST_ACTIVE) |
936 | return SR_ERR; | |
937 | ||
a3508e33 BV |
938 | devc = sdi->priv; |
939 | devc->dev_state = STOPPING; | |
3b533202 BV |
940 | |
941 | return SR_OK; | |
942 | } | |
943 | ||
62bb8840 | 944 | SR_PRIV struct sr_dev_driver hantek_dso_driver_info = { |
3b533202 BV |
945 | .name = "hantek-dso", |
946 | .longname = "Hantek DSO", | |
947 | .api_version = 1, | |
948 | .init = hw_init, | |
949 | .cleanup = hw_cleanup, | |
61136ea6 | 950 | .scan = hw_scan, |
811deee4 BV |
951 | .dev_list = hw_dev_list, |
952 | .dev_clear = clear_instances, | |
79917848 | 953 | .config_get = config_get, |
035a1078 | 954 | .config_set = config_set, |
a1c743fc | 955 | .config_list = config_list, |
3b533202 BV |
956 | .dev_open = hw_dev_open, |
957 | .dev_close = hw_dev_close, | |
62bb8840 UH |
958 | .dev_acquisition_start = hw_dev_acquisition_start, |
959 | .dev_acquisition_stop = hw_dev_acquisition_stop, | |
269971dd | 960 | .priv = NULL, |
3b533202 | 961 | }; |