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3b533202 | 1 | /* |
50985c20 | 2 | * This file is part of the libsigrok project. |
3b533202 BV |
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 | ||
624f5b4c BV |
43 | static const int32_t scanopts[] = { |
44 | SR_CONF_CONN, | |
45 | }; | |
46 | ||
f627afd6 | 47 | static const int32_t devopts[] = { |
1953564a | 48 | SR_CONF_OSCILLOSCOPE, |
be6db330 | 49 | SR_CONF_LIMIT_FRAMES, |
1953564a BV |
50 | SR_CONF_CONTINUOUS, |
51 | SR_CONF_TIMEBASE, | |
52 | SR_CONF_BUFFERSIZE, | |
53 | SR_CONF_TRIGGER_SOURCE, | |
54 | SR_CONF_TRIGGER_SLOPE, | |
55 | SR_CONF_HORIZ_TRIGGERPOS, | |
56 | SR_CONF_FILTER, | |
57 | SR_CONF_VDIV, | |
58 | SR_CONF_COUPLING, | |
79917848 BV |
59 | SR_CONF_NUM_TIMEBASE, |
60 | SR_CONF_NUM_VDIV, | |
3b533202 BV |
61 | }; |
62 | ||
63 | static const char *probe_names[] = { | |
78693401 | 64 | "CH1", "CH2", |
3b533202 BV |
65 | NULL, |
66 | }; | |
67 | ||
034accb5 BV |
68 | static const uint64_t buffersizes_32k[] = { |
69 | 10240, 32768, | |
70 | }; | |
71 | static const uint64_t buffersizes_512k[] = { | |
72 | 10240, 524288, | |
73 | }; | |
74 | static const uint64_t buffersizes_14k[] = { | |
75 | 10240, 14336, | |
76 | }; | |
77 | ||
62bb8840 | 78 | static const struct dso_profile dev_profiles[] = { |
88a13f30 | 79 | { 0x04b4, 0x2090, 0x04b5, 0x2090, |
3b533202 | 80 | "Hantek", "DSO-2090", |
034accb5 | 81 | buffersizes_32k, |
7b78b2f7 | 82 | FIRMWARE_DIR "/hantek-dso-2090.fw" }, |
88a13f30 BV |
83 | { 0x04b4, 0x2150, 0x04b5, 0x2150, |
84 | "Hantek", "DSO-2150", | |
034accb5 | 85 | buffersizes_32k, |
7b78b2f7 | 86 | FIRMWARE_DIR "/hantek-dso-2150.fw" }, |
88a13f30 BV |
87 | { 0x04b4, 0x2250, 0x04b5, 0x2250, |
88 | "Hantek", "DSO-2250", | |
034accb5 | 89 | buffersizes_512k, |
7b78b2f7 | 90 | FIRMWARE_DIR "/hantek-dso-2250.fw" }, |
88a13f30 BV |
91 | { 0x04b4, 0x5200, 0x04b5, 0x5200, |
92 | "Hantek", "DSO-5200", | |
034accb5 | 93 | buffersizes_14k, |
7b78b2f7 | 94 | FIRMWARE_DIR "/hantek-dso-5200.fw" }, |
88a13f30 BV |
95 | { 0x04b4, 0x520a, 0x04b5, 0x520a, |
96 | "Hantek", "DSO-5200A", | |
034accb5 | 97 | buffersizes_512k, |
7b78b2f7 | 98 | FIRMWARE_DIR "/hantek-dso-5200A.fw" }, |
034accb5 | 99 | { 0, 0, 0, 0, 0, 0, 0, 0 }, |
a370ef19 BV |
100 | }; |
101 | ||
86bb3f4a | 102 | static const uint64_t timebases[][2] = { |
a370ef19 BV |
103 | /* microseconds */ |
104 | { 10, 1000000 }, | |
105 | { 20, 1000000 }, | |
106 | { 40, 1000000 }, | |
107 | { 100, 1000000 }, | |
108 | { 200, 1000000 }, | |
109 | { 400, 1000000 }, | |
110 | /* milliseconds */ | |
111 | { 1, 1000 }, | |
112 | { 2, 1000 }, | |
113 | { 4, 1000 }, | |
114 | { 10, 1000 }, | |
115 | { 20, 1000 }, | |
116 | { 40, 1000 }, | |
117 | { 100, 1000 }, | |
118 | { 200, 1000 }, | |
119 | { 400, 1000 }, | |
a370ef19 BV |
120 | }; |
121 | ||
86bb3f4a | 122 | static const uint64_t vdivs[][2] = { |
313deed2 BV |
123 | /* millivolts */ |
124 | { 10, 1000 }, | |
125 | { 20, 1000 }, | |
126 | { 50, 1000 }, | |
127 | { 100, 1000 }, | |
128 | { 200, 1000 }, | |
129 | { 500, 1000 }, | |
130 | /* volts */ | |
131 | { 1, 1 }, | |
132 | { 2, 1 }, | |
133 | { 5, 1 }, | |
313deed2 BV |
134 | }; |
135 | ||
62bb8840 | 136 | static const char *trigger_sources[] = { |
a370ef19 BV |
137 | "CH1", |
138 | "CH2", | |
139 | "EXT", | |
88a13f30 | 140 | /* TODO: forced */ |
a370ef19 | 141 | }; |
3b533202 | 142 | |
62bb8840 | 143 | static const char *filter_targets[] = { |
ebb781a6 BV |
144 | "CH1", |
145 | "CH2", | |
146 | /* TODO: "TRIGGER", */ | |
ebb781a6 BV |
147 | }; |
148 | ||
62bb8840 | 149 | static const char *coupling[] = { |
b58fbd99 BV |
150 | "AC", |
151 | "DC", | |
152 | "GND", | |
b58fbd99 BV |
153 | }; |
154 | ||
982947f7 | 155 | SR_PRIV struct sr_dev_driver hantek_dso_driver_info; |
a873c594 | 156 | static struct sr_dev_driver *di = &hantek_dso_driver_info; |
e98b7f1b | 157 | |
69b07d14 | 158 | static int hw_dev_acquisition_stop(struct sr_dev_inst *sdi, void *cb_data); |
3b533202 | 159 | |
62bb8840 | 160 | static struct sr_dev_inst *dso_dev_new(int index, const struct dso_profile *prof) |
3b533202 BV |
161 | { |
162 | struct sr_dev_inst *sdi; | |
87ca93c5 | 163 | struct sr_probe *probe; |
269971dd BV |
164 | struct drv_context *drvc; |
165 | struct dev_context *devc; | |
87ca93c5 | 166 | int i; |
3b533202 BV |
167 | |
168 | sdi = sr_dev_inst_new(index, SR_ST_INITIALIZING, | |
88a13f30 | 169 | prof->vendor, prof->model, NULL); |
3b533202 BV |
170 | if (!sdi) |
171 | return NULL; | |
a873c594 | 172 | sdi->driver = di; |
3b533202 | 173 | |
e98b7f1b UH |
174 | /* |
175 | * Add only the real probes -- EXT isn't a source of data, only | |
87ca93c5 BV |
176 | * a trigger source internal to the device. |
177 | */ | |
178 | for (i = 0; probe_names[i]; i++) { | |
179 | if (!(probe = sr_probe_new(i, SR_PROBE_ANALOG, TRUE, | |
180 | probe_names[i]))) | |
181 | return NULL; | |
182 | sdi->probes = g_slist_append(sdi->probes, probe); | |
183 | } | |
184 | ||
269971dd | 185 | if (!(devc = g_try_malloc0(sizeof(struct dev_context)))) { |
e98b7f1b | 186 | sr_err("Device context malloc failed."); |
3b533202 BV |
187 | return NULL; |
188 | } | |
e98b7f1b | 189 | |
269971dd BV |
190 | devc->profile = prof; |
191 | devc->dev_state = IDLE; | |
192 | devc->timebase = DEFAULT_TIMEBASE; | |
193 | devc->ch1_enabled = TRUE; | |
194 | devc->ch2_enabled = TRUE; | |
195 | devc->voltage_ch1 = DEFAULT_VOLTAGE; | |
196 | devc->voltage_ch2 = DEFAULT_VOLTAGE; | |
197 | devc->coupling_ch1 = DEFAULT_COUPLING; | |
198 | devc->coupling_ch2 = DEFAULT_COUPLING; | |
199 | devc->voffset_ch1 = DEFAULT_VERT_OFFSET; | |
200 | devc->voffset_ch2 = DEFAULT_VERT_OFFSET; | |
201 | devc->voffset_trigger = DEFAULT_VERT_TRIGGERPOS; | |
202 | devc->framesize = DEFAULT_FRAMESIZE; | |
203 | devc->triggerslope = SLOPE_POSITIVE; | |
204 | devc->triggersource = g_strdup(DEFAULT_TRIGGER_SOURCE); | |
205 | devc->triggerposition = DEFAULT_HORIZ_TRIGGERPOS; | |
206 | sdi->priv = devc; | |
a873c594 | 207 | drvc = di->priv; |
269971dd | 208 | drvc->instances = g_slist_append(drvc->instances, sdi); |
3b533202 BV |
209 | |
210 | return sdi; | |
211 | } | |
212 | ||
014359e3 | 213 | static int configure_probes(const struct sr_dev_inst *sdi) |
3b533202 | 214 | { |
014359e3 | 215 | struct dev_context *devc; |
69e19dd7 | 216 | struct sr_probe *probe; |
62bb8840 | 217 | const GSList *l; |
69e19dd7 | 218 | int p; |
3b533202 | 219 | |
014359e3 BV |
220 | devc = sdi->priv; |
221 | ||
69e19dd7 | 222 | g_slist_free(devc->enabled_probes); |
269971dd | 223 | devc->ch1_enabled = devc->ch2_enabled = FALSE; |
69e19dd7 BV |
224 | for (l = sdi->probes, p = 0; l; l = l->next, p++) { |
225 | probe = l->data; | |
226 | if (p == 0) | |
269971dd | 227 | devc->ch1_enabled = probe->enabled; |
69e19dd7 | 228 | else |
269971dd | 229 | devc->ch2_enabled = probe->enabled; |
69e19dd7 BV |
230 | if (probe->enabled) |
231 | devc->enabled_probes = g_slist_append(devc->enabled_probes, probe); | |
3b533202 BV |
232 | } |
233 | ||
234 | return SR_OK; | |
235 | } | |
236 | ||
949b3dc0 | 237 | static void clear_dev_context(void *priv) |
39cfdd75 | 238 | { |
269971dd | 239 | struct dev_context *devc; |
39cfdd75 | 240 | |
949b3dc0 BV |
241 | devc = priv; |
242 | g_free(devc->triggersource); | |
243 | g_slist_free(devc->enabled_probes); | |
39cfdd75 | 244 | |
949b3dc0 | 245 | } |
39cfdd75 | 246 | |
949b3dc0 BV |
247 | static int clear_instances(void) |
248 | { | |
249 | return std_dev_clear(di, clear_dev_context); | |
39cfdd75 BV |
250 | } |
251 | ||
34f06b90 | 252 | static int hw_init(struct sr_context *sr_ctx) |
61136ea6 | 253 | { |
063e7aef | 254 | return std_hw_init(sr_ctx, di, DRIVER_LOG_DOMAIN); |
61136ea6 BV |
255 | } |
256 | ||
39cfdd75 | 257 | static GSList *hw_scan(GSList *options) |
3b533202 BV |
258 | { |
259 | struct sr_dev_inst *sdi; | |
62bb8840 | 260 | const struct dso_profile *prof; |
269971dd BV |
261 | struct drv_context *drvc; |
262 | struct dev_context *devc; | |
39cfdd75 BV |
263 | GSList *devices; |
264 | struct libusb_device_descriptor des; | |
3b533202 | 265 | libusb_device **devlist; |
61136ea6 | 266 | int devcnt, ret, i, j; |
3b533202 | 267 | |
39cfdd75 | 268 | (void)options; |
e98b7f1b | 269 | |
a873c594 | 270 | drvc = di->priv; |
269971dd | 271 | drvc->instances = NULL; |
39cfdd75 | 272 | |
4b97c74e UH |
273 | devcnt = 0; |
274 | devices = 0; | |
275 | ||
39cfdd75 BV |
276 | clear_instances(); |
277 | ||
278 | /* Find all Hantek DSO devices and upload firmware to all of them. */ | |
d4abb463 | 279 | libusb_get_device_list(drvc->sr_ctx->libusb_ctx, &devlist); |
3b533202 | 280 | for (i = 0; devlist[i]; i++) { |
61136ea6 | 281 | if ((ret = libusb_get_device_descriptor(devlist[i], &des))) { |
d4928d71 PS |
282 | sr_err("Failed to get device descriptor: %s.", |
283 | libusb_error_name(ret)); | |
3b533202 BV |
284 | continue; |
285 | } | |
286 | ||
287 | prof = NULL; | |
288 | for (j = 0; dev_profiles[j].orig_vid; j++) { | |
289 | if (des.idVendor == dev_profiles[j].orig_vid | |
290 | && des.idProduct == dev_profiles[j].orig_pid) { | |
291 | /* Device matches the pre-firmware profile. */ | |
292 | prof = &dev_profiles[j]; | |
e98b7f1b | 293 | sr_dbg("Found a %s %s.", prof->vendor, prof->model); |
3b533202 | 294 | sdi = dso_dev_new(devcnt, prof); |
39cfdd75 | 295 | devices = g_slist_append(devices, sdi); |
269971dd | 296 | devc = sdi->priv; |
3b533202 BV |
297 | if (ezusb_upload_firmware(devlist[i], USB_CONFIGURATION, |
298 | prof->firmware) == SR_OK) | |
299 | /* Remember when the firmware on this device was updated */ | |
269971dd | 300 | devc->fw_updated = g_get_monotonic_time(); |
3b533202 | 301 | else |
e98b7f1b UH |
302 | sr_err("Firmware upload failed for " |
303 | "device %d.", devcnt); | |
3b533202 | 304 | /* Dummy USB address of 0xff will get overwritten later. */ |
c118080b | 305 | sdi->conn = sr_usb_dev_inst_new( |
3b533202 BV |
306 | libusb_get_bus_number(devlist[i]), 0xff, NULL); |
307 | devcnt++; | |
308 | break; | |
309 | } else if (des.idVendor == dev_profiles[j].fw_vid | |
310 | && des.idProduct == dev_profiles[j].fw_pid) { | |
311 | /* Device matches the post-firmware profile. */ | |
312 | prof = &dev_profiles[j]; | |
e98b7f1b | 313 | sr_dbg("Found a %s %s.", prof->vendor, prof->model); |
3b533202 BV |
314 | sdi = dso_dev_new(devcnt, prof); |
315 | sdi->status = SR_ST_INACTIVE; | |
39cfdd75 | 316 | devices = g_slist_append(devices, sdi); |
269971dd | 317 | devc = sdi->priv; |
d0eec1ee | 318 | sdi->inst_type = SR_INST_USB; |
c118080b | 319 | sdi->conn = sr_usb_dev_inst_new( |
3b533202 BV |
320 | libusb_get_bus_number(devlist[i]), |
321 | libusb_get_device_address(devlist[i]), NULL); | |
322 | devcnt++; | |
323 | break; | |
324 | } | |
325 | } | |
326 | if (!prof) | |
327 | /* not a supported VID/PID */ | |
328 | continue; | |
329 | } | |
330 | libusb_free_device_list(devlist, 1); | |
331 | ||
39cfdd75 | 332 | return devices; |
3b533202 BV |
333 | } |
334 | ||
811deee4 BV |
335 | static GSList *hw_dev_list(void) |
336 | { | |
0e94d524 | 337 | return ((struct drv_context *)(di->priv))->instances; |
811deee4 BV |
338 | } |
339 | ||
25a0f108 | 340 | static int hw_dev_open(struct sr_dev_inst *sdi) |
3b533202 | 341 | { |
269971dd | 342 | struct dev_context *devc; |
c118080b | 343 | struct sr_usb_dev_inst *usb; |
fc8fe3e3 BV |
344 | int64_t timediff_us, timediff_ms; |
345 | int err; | |
3b533202 | 346 | |
269971dd | 347 | devc = sdi->priv; |
c118080b | 348 | usb = sdi->conn; |
3b533202 BV |
349 | |
350 | /* | |
e98b7f1b UH |
351 | * If the firmware was recently uploaded, wait up to MAX_RENUM_DELAY_MS |
352 | * for the FX2 to renumerate. | |
3b533202 | 353 | */ |
fc8fe3e3 | 354 | err = SR_ERR; |
269971dd | 355 | if (devc->fw_updated > 0) { |
e98b7f1b UH |
356 | sr_info("Waiting for device to reset."); |
357 | /* Takes >= 300ms for the FX2 to be gone from the USB bus. */ | |
3b533202 | 358 | g_usleep(300 * 1000); |
fc8fe3e3 BV |
359 | timediff_ms = 0; |
360 | while (timediff_ms < MAX_RENUM_DELAY_MS) { | |
25a0f108 | 361 | if ((err = dso_open(sdi)) == SR_OK) |
3b533202 BV |
362 | break; |
363 | g_usleep(100 * 1000); | |
269971dd | 364 | timediff_us = g_get_monotonic_time() - devc->fw_updated; |
fc8fe3e3 | 365 | timediff_ms = timediff_us / 1000; |
e98b7f1b | 366 | sr_spew("Waited %" PRIi64 " ms.", timediff_ms); |
3b533202 | 367 | } |
e98b7f1b | 368 | sr_info("Device came back after %d ms.", timediff_ms); |
3b533202 | 369 | } else { |
25a0f108 | 370 | err = dso_open(sdi); |
3b533202 BV |
371 | } |
372 | ||
373 | if (err != SR_OK) { | |
e98b7f1b | 374 | sr_err("Unable to open device."); |
3b533202 BV |
375 | return SR_ERR; |
376 | } | |
377 | ||
c118080b | 378 | err = libusb_claim_interface(usb->devhdl, USB_INTERFACE); |
3b533202 | 379 | if (err != 0) { |
d4928d71 PS |
380 | sr_err("Unable to claim interface: %s.", |
381 | libusb_error_name(err)); | |
3b533202 BV |
382 | return SR_ERR; |
383 | } | |
384 | ||
385 | return SR_OK; | |
386 | } | |
387 | ||
25a0f108 | 388 | static int hw_dev_close(struct sr_dev_inst *sdi) |
3b533202 | 389 | { |
3b533202 BV |
390 | dso_close(sdi); |
391 | ||
392 | return SR_OK; | |
393 | } | |
394 | ||
395 | static int hw_cleanup(void) | |
396 | { | |
269971dd BV |
397 | struct drv_context *drvc; |
398 | ||
a873c594 | 399 | if (!(drvc = di->priv)) |
269971dd | 400 | return SR_OK; |
3b533202 | 401 | |
39cfdd75 | 402 | clear_instances(); |
3b533202 | 403 | |
3b533202 BV |
404 | return SR_OK; |
405 | } | |
406 | ||
79917848 BV |
407 | static int config_get(int id, GVariant **data, const struct sr_dev_inst *sdi) |
408 | { | |
624f5b4c BV |
409 | struct sr_usb_dev_inst *usb; |
410 | char str[128]; | |
79917848 | 411 | |
79917848 | 412 | switch (id) { |
624f5b4c BV |
413 | case SR_CONF_CONN: |
414 | if (!sdi || !sdi->conn) | |
e2033d49 | 415 | return SR_ERR_ARG; |
624f5b4c BV |
416 | usb = sdi->conn; |
417 | if (usb->address == 255) | |
418 | /* Device still needs to re-enumerate after firmware | |
419 | * upload, so we don't know its (future) address. */ | |
420 | return SR_ERR; | |
421 | snprintf(str, 128, "%d.%d", usb->bus, usb->address); | |
422 | *data = g_variant_new_string(str); | |
423 | break; | |
79917848 BV |
424 | case SR_CONF_NUM_TIMEBASE: |
425 | *data = g_variant_new_int32(NUM_TIMEBASE); | |
426 | break; | |
427 | case SR_CONF_NUM_VDIV: | |
428 | *data = g_variant_new_int32(NUM_VDIV); | |
429 | break; | |
430 | default: | |
bd6fbf62 | 431 | return SR_ERR_NA; |
79917848 BV |
432 | } |
433 | ||
434 | return SR_OK; | |
435 | } | |
436 | ||
f627afd6 | 437 | static int config_set(int id, GVariant *data, const struct sr_dev_inst *sdi) |
3b533202 | 438 | { |
269971dd | 439 | struct dev_context *devc; |
f627afd6 | 440 | double tmp_double; |
86bb3f4a | 441 | uint64_t tmp_u64, p, q; |
f627afd6 BV |
442 | int tmp_int, ret; |
443 | unsigned int i; | |
444 | const char *tmp_str; | |
4a090d72 | 445 | char **targets; |
3b533202 | 446 | |
3b533202 BV |
447 | if (sdi->status != SR_ST_ACTIVE) |
448 | return SR_ERR; | |
449 | ||
a370ef19 | 450 | ret = SR_OK; |
269971dd | 451 | devc = sdi->priv; |
035a1078 | 452 | switch (id) { |
1953564a | 453 | case SR_CONF_LIMIT_FRAMES: |
f627afd6 | 454 | devc->limit_frames = g_variant_get_uint64(data); |
ae88b97b | 455 | break; |
1953564a | 456 | case SR_CONF_TRIGGER_SLOPE: |
f627afd6 | 457 | tmp_u64 = g_variant_get_uint64(data); |
a370ef19 BV |
458 | if (tmp_u64 != SLOPE_NEGATIVE && tmp_u64 != SLOPE_POSITIVE) |
459 | ret = SR_ERR_ARG; | |
269971dd | 460 | devc->triggerslope = tmp_u64; |
a370ef19 | 461 | break; |
1953564a | 462 | case SR_CONF_HORIZ_TRIGGERPOS: |
f627afd6 BV |
463 | tmp_double = g_variant_get_double(data); |
464 | if (tmp_double < 0.0 || tmp_double > 1.0) { | |
e98b7f1b | 465 | sr_err("Trigger position should be between 0.0 and 1.0."); |
3b533202 | 466 | ret = SR_ERR_ARG; |
a370ef19 | 467 | } else |
f627afd6 | 468 | devc->triggerposition = tmp_double; |
a370ef19 | 469 | break; |
1953564a | 470 | case SR_CONF_BUFFERSIZE: |
f627afd6 | 471 | tmp_u64 = g_variant_get_uint64(data); |
034accb5 BV |
472 | for (i = 0; i < 2; i++) { |
473 | if (devc->profile->buffersizes[i] == tmp_u64) { | |
269971dd | 474 | devc->framesize = tmp_u64; |
a370ef19 BV |
475 | break; |
476 | } | |
477 | } | |
034accb5 | 478 | if (i == 2) |
a370ef19 BV |
479 | ret = SR_ERR_ARG; |
480 | break; | |
1953564a | 481 | case SR_CONF_TIMEBASE: |
86bb3f4a | 482 | g_variant_get(data, "(tt)", &p, &q); |
f627afd6 BV |
483 | tmp_int = -1; |
484 | for (i = 0; i < ARRAY_SIZE(timebases); i++) { | |
485 | if (timebases[i][0] == p && timebases[i][1] == q) { | |
486 | tmp_int = i; | |
a370ef19 BV |
487 | break; |
488 | } | |
489 | } | |
f627afd6 BV |
490 | if (tmp_int >= 0) |
491 | devc->timebase = tmp_int; | |
492 | else | |
a370ef19 BV |
493 | ret = SR_ERR_ARG; |
494 | break; | |
1953564a | 495 | case SR_CONF_TRIGGER_SOURCE: |
f627afd6 | 496 | tmp_str = g_variant_get_string(data, NULL); |
a370ef19 | 497 | for (i = 0; trigger_sources[i]; i++) { |
f627afd6 BV |
498 | if (!strcmp(tmp_str, trigger_sources[i])) { |
499 | devc->triggersource = g_strdup(tmp_str); | |
a370ef19 BV |
500 | break; |
501 | } | |
502 | } | |
503 | if (trigger_sources[i] == 0) | |
504 | ret = SR_ERR_ARG; | |
505 | break; | |
1953564a | 506 | case SR_CONF_FILTER: |
f627afd6 | 507 | tmp_str = g_variant_get_string(data, NULL); |
269971dd | 508 | devc->filter_ch1 = devc->filter_ch2 = devc->filter_trigger = 0; |
f627afd6 | 509 | targets = g_strsplit(tmp_str, ",", 0); |
ebb781a6 BV |
510 | for (i = 0; targets[i]; i++) { |
511 | if (targets[i] == '\0') | |
512 | /* Empty filter string can be used to clear them all. */ | |
513 | ; | |
514 | else if (!strcmp(targets[i], "CH1")) | |
269971dd | 515 | devc->filter_ch1 = TRUE; |
ebb781a6 | 516 | else if (!strcmp(targets[i], "CH2")) |
269971dd | 517 | devc->filter_ch2 = TRUE; |
ebb781a6 | 518 | else if (!strcmp(targets[i], "TRIGGER")) |
269971dd | 519 | devc->filter_trigger = TRUE; |
ebb781a6 | 520 | else { |
e98b7f1b | 521 | sr_err("Invalid filter target %s.", targets[i]); |
ebb781a6 BV |
522 | ret = SR_ERR_ARG; |
523 | } | |
524 | } | |
525 | g_strfreev(targets); | |
526 | break; | |
1953564a | 527 | case SR_CONF_VDIV: |
e98b7f1b | 528 | /* TODO: Not supporting vdiv per channel yet. */ |
86bb3f4a | 529 | g_variant_get(data, "(tt)", &p, &q); |
f627afd6 BV |
530 | tmp_int = -1; |
531 | for (i = 0; i < ARRAY_SIZE(vdivs); i++) { | |
532 | if (vdivs[i][0] == p && vdivs[i][1] == q) { | |
533 | tmp_int = i; | |
313deed2 BV |
534 | break; |
535 | } | |
536 | } | |
f627afd6 BV |
537 | if (tmp_int >= 0) { |
538 | devc->voltage_ch1 = tmp_int; | |
539 | devc->voltage_ch2 = tmp_int; | |
540 | } else | |
313deed2 BV |
541 | ret = SR_ERR_ARG; |
542 | break; | |
1953564a | 543 | case SR_CONF_COUPLING: |
f627afd6 | 544 | tmp_str = g_variant_get_string(data, NULL); |
e98b7f1b | 545 | /* TODO: Not supporting coupling per channel yet. */ |
b58fbd99 | 546 | for (i = 0; coupling[i]; i++) { |
f627afd6 | 547 | if (!strcmp(tmp_str, coupling[i])) { |
269971dd BV |
548 | devc->coupling_ch1 = i; |
549 | devc->coupling_ch2 = i; | |
b58fbd99 BV |
550 | break; |
551 | } | |
552 | } | |
553 | if (coupling[i] == 0) | |
554 | ret = SR_ERR_ARG; | |
555 | break; | |
3b533202 | 556 | default: |
bd6fbf62 | 557 | ret = SR_ERR_NA; |
e98b7f1b | 558 | break; |
3b533202 BV |
559 | } |
560 | ||
561 | return ret; | |
562 | } | |
563 | ||
f627afd6 | 564 | static int config_list(int key, GVariant **data, const struct sr_dev_inst *sdi) |
a1c743fc | 565 | { |
034accb5 | 566 | struct dev_context *devc; |
3973ee26 BV |
567 | GVariant *tuple, *rational[2]; |
568 | GVariantBuilder gvb; | |
569 | unsigned int i; | |
a1c743fc BV |
570 | |
571 | (void)sdi; | |
572 | ||
034accb5 BV |
573 | if (!sdi) |
574 | return SR_ERR_ARG; | |
575 | ||
576 | devc = sdi->priv; | |
a1c743fc | 577 | switch (key) { |
624f5b4c BV |
578 | case SR_CONF_SCAN_OPTIONS: |
579 | *data = g_variant_new_fixed_array(G_VARIANT_TYPE_INT32, | |
580 | scanopts, ARRAY_SIZE(scanopts), sizeof(int32_t)); | |
581 | break; | |
9a6517d1 | 582 | case SR_CONF_DEVICE_OPTIONS: |
f627afd6 BV |
583 | *data = g_variant_new_fixed_array(G_VARIANT_TYPE_INT32, |
584 | devopts, ARRAY_SIZE(devopts), sizeof(int32_t)); | |
9a6517d1 | 585 | break; |
6d1ceffa | 586 | case SR_CONF_BUFFERSIZE: |
f627afd6 | 587 | *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT64, |
034accb5 | 588 | devc->profile->buffersizes, 2, sizeof(uint64_t)); |
6d1ceffa | 589 | break; |
2a7b113d | 590 | case SR_CONF_COUPLING: |
f627afd6 | 591 | *data = g_variant_new_strv(coupling, ARRAY_SIZE(coupling)); |
2a7b113d | 592 | break; |
e4f2b2ad | 593 | case SR_CONF_VDIV: |
3973ee26 BV |
594 | g_variant_builder_init(&gvb, G_VARIANT_TYPE_ARRAY); |
595 | for (i = 0; i < ARRAY_SIZE(vdivs); i++) { | |
596 | rational[0] = g_variant_new_uint64(vdivs[i][0]); | |
597 | rational[1] = g_variant_new_uint64(vdivs[i][1]); | |
598 | tuple = g_variant_new_tuple(rational, 2); | |
599 | g_variant_builder_add_value(&gvb, tuple); | |
600 | } | |
601 | *data = g_variant_builder_end(&gvb); | |
e4f2b2ad | 602 | break; |
6e1fbcc4 | 603 | case SR_CONF_FILTER: |
f627afd6 BV |
604 | *data = g_variant_new_strv(filter_targets, |
605 | ARRAY_SIZE(filter_targets)); | |
6e1fbcc4 | 606 | break; |
41f5bd09 | 607 | case SR_CONF_TIMEBASE: |
3973ee26 BV |
608 | g_variant_builder_init(&gvb, G_VARIANT_TYPE_ARRAY); |
609 | for (i = 0; i < ARRAY_SIZE(timebases); i++) { | |
610 | rational[0] = g_variant_new_uint64(timebases[i][0]); | |
611 | rational[1] = g_variant_new_uint64(timebases[i][1]); | |
612 | tuple = g_variant_new_tuple(rational, 2); | |
613 | g_variant_builder_add_value(&gvb, tuple); | |
614 | } | |
615 | *data = g_variant_builder_end(&gvb); | |
41f5bd09 | 616 | break; |
328bafab | 617 | case SR_CONF_TRIGGER_SOURCE: |
f627afd6 BV |
618 | *data = g_variant_new_strv(trigger_sources, |
619 | ARRAY_SIZE(trigger_sources)); | |
328bafab | 620 | break; |
a1c743fc | 621 | default: |
bd6fbf62 | 622 | return SR_ERR_NA; |
a1c743fc BV |
623 | } |
624 | ||
625 | return SR_OK; | |
626 | } | |
627 | ||
69e19dd7 | 628 | static void send_chunk(struct sr_dev_inst *sdi, unsigned char *buf, |
e749a8cb | 629 | int num_samples) |
3b533202 BV |
630 | { |
631 | struct sr_datafeed_packet packet; | |
632 | struct sr_datafeed_analog analog; | |
69e19dd7 | 633 | struct dev_context *devc; |
c5841b28 | 634 | float ch1, ch2, range; |
6e71ef3b | 635 | int num_probes, data_offset, i; |
3b533202 | 636 | |
69e19dd7 | 637 | devc = sdi->priv; |
269971dd | 638 | num_probes = (devc->ch1_enabled && devc->ch2_enabled) ? 2 : 1; |
3b533202 BV |
639 | packet.type = SR_DF_ANALOG; |
640 | packet.payload = &analog; | |
6e71ef3b | 641 | /* TODO: support for 5xxx series 9-bit samples */ |
69e19dd7 | 642 | analog.probes = devc->enabled_probes; |
e749a8cb | 643 | analog.num_samples = num_samples; |
9956f285 UH |
644 | analog.mq = SR_MQ_VOLTAGE; |
645 | analog.unit = SR_UNIT_VOLT; | |
886a52b6 | 646 | /* TODO: Check malloc return value. */ |
6e71ef3b BV |
647 | analog.data = g_try_malloc(analog.num_samples * sizeof(float) * num_probes); |
648 | data_offset = 0; | |
3b533202 | 649 | for (i = 0; i < analog.num_samples; i++) { |
e98b7f1b UH |
650 | /* |
651 | * The device always sends data for both channels. If a channel | |
6e71ef3b | 652 | * is disabled, it contains a copy of the enabled channel's |
e98b7f1b UH |
653 | * data. However, we only send the requested channels to |
654 | * the bus. | |
c5841b28 | 655 | * |
e98b7f1b UH |
656 | * Voltage values are encoded as a value 0-255 (0-512 on the |
657 | * DSO-5200*), where the value is a point in the range | |
658 | * represented by the vdiv setting. There are 8 vertical divs, | |
659 | * so e.g. 500mV/div represents 4V peak-to-peak where 0 = -2V | |
660 | * and 255 = +2V. | |
6e71ef3b | 661 | */ |
e98b7f1b | 662 | /* TODO: Support for DSO-5xxx series 9-bit samples. */ |
269971dd | 663 | if (devc->ch1_enabled) { |
f627afd6 | 664 | range = ((float)vdivs[devc->voltage_ch1][0] / vdivs[devc->voltage_ch1][1]) * 8; |
e749a8cb | 665 | ch1 = range / 255 * *(buf + i * 2 + 1); |
c5841b28 BV |
666 | /* Value is centered around 0V. */ |
667 | ch1 -= range / 2; | |
6e71ef3b BV |
668 | analog.data[data_offset++] = ch1; |
669 | } | |
269971dd | 670 | if (devc->ch2_enabled) { |
f627afd6 | 671 | range = ((float)vdivs[devc->voltage_ch2][0] / vdivs[devc->voltage_ch2][1]) * 8; |
e749a8cb | 672 | ch2 = range / 255 * *(buf + i * 2); |
c5841b28 | 673 | ch2 -= range / 2; |
6e71ef3b BV |
674 | analog.data[data_offset++] = ch2; |
675 | } | |
3b533202 | 676 | } |
269971dd | 677 | sr_session_send(devc->cb_data, &packet); |
e749a8cb BV |
678 | } |
679 | ||
e98b7f1b UH |
680 | /* |
681 | * Called by libusb (as triggered by handle_event()) when a transfer comes in. | |
e749a8cb | 682 | * Only channel data comes in asynchronously, and all transfers for this are |
e98b7f1b | 683 | * queued up beforehand, so this just needs to chuck the incoming data onto |
e749a8cb BV |
684 | * the libsigrok session bus. |
685 | */ | |
686 | static void receive_transfer(struct libusb_transfer *transfer) | |
687 | { | |
688 | struct sr_datafeed_packet packet; | |
69e19dd7 | 689 | struct sr_dev_inst *sdi; |
269971dd | 690 | struct dev_context *devc; |
e749a8cb BV |
691 | int num_samples, pre; |
692 | ||
69e19dd7 BV |
693 | sdi = transfer->user_data; |
694 | devc = sdi->priv; | |
d4007311 | 695 | sr_spew("receive_transfer(): status %d received %d bytes.", |
e98b7f1b | 696 | transfer->status, transfer->actual_length); |
e749a8cb BV |
697 | |
698 | if (transfer->actual_length == 0) | |
699 | /* Nothing to send to the bus. */ | |
700 | return; | |
701 | ||
702 | num_samples = transfer->actual_length / 2; | |
703 | ||
d4007311 | 704 | sr_spew("Got %d-%d/%d samples in frame.", devc->samp_received + 1, |
e98b7f1b | 705 | devc->samp_received + num_samples, devc->framesize); |
e749a8cb | 706 | |
e98b7f1b UH |
707 | /* |
708 | * The device always sends a full frame, but the beginning of the frame | |
e749a8cb BV |
709 | * doesn't represent the trigger point. The offset at which the trigger |
710 | * happened came in with the capture state, so we need to start sending | |
e98b7f1b UH |
711 | * from there up the session bus. The samples in the frame buffer |
712 | * before that trigger point came after the end of the device's frame | |
713 | * buffer was reached, and it wrapped around to overwrite up until the | |
714 | * trigger point. | |
e749a8cb | 715 | */ |
269971dd | 716 | if (devc->samp_received < devc->trigger_offset) { |
e749a8cb | 717 | /* Trigger point not yet reached. */ |
269971dd | 718 | if (devc->samp_received + num_samples < devc->trigger_offset) { |
e749a8cb | 719 | /* The entire chunk is before the trigger point. */ |
269971dd | 720 | memcpy(devc->framebuf + devc->samp_buffered * 2, |
e749a8cb | 721 | transfer->buffer, num_samples * 2); |
269971dd | 722 | devc->samp_buffered += num_samples; |
e749a8cb | 723 | } else { |
e98b7f1b UH |
724 | /* |
725 | * This chunk hits or overruns the trigger point. | |
e749a8cb | 726 | * Store the part before the trigger fired, and |
e98b7f1b UH |
727 | * send the rest up to the session bus. |
728 | */ | |
269971dd BV |
729 | pre = devc->trigger_offset - devc->samp_received; |
730 | memcpy(devc->framebuf + devc->samp_buffered * 2, | |
e749a8cb | 731 | transfer->buffer, pre * 2); |
269971dd | 732 | devc->samp_buffered += pre; |
e749a8cb BV |
733 | |
734 | /* The rest of this chunk starts with the trigger point. */ | |
e98b7f1b UH |
735 | sr_dbg("Reached trigger point, %d samples buffered.", |
736 | devc->samp_buffered); | |
e749a8cb BV |
737 | |
738 | /* Avoid the corner case where the chunk ended at | |
739 | * exactly the trigger point. */ | |
740 | if (num_samples > pre) | |
69e19dd7 | 741 | send_chunk(sdi, transfer->buffer + pre * 2, |
e749a8cb BV |
742 | num_samples - pre); |
743 | } | |
744 | } else { | |
745 | /* Already past the trigger point, just send it all out. */ | |
69e19dd7 | 746 | send_chunk(sdi, transfer->buffer, |
e749a8cb BV |
747 | num_samples); |
748 | } | |
749 | ||
269971dd | 750 | devc->samp_received += num_samples; |
e749a8cb BV |
751 | |
752 | /* Everything in this transfer was either copied to the buffer or | |
753 | * sent to the session bus. */ | |
3b533202 BV |
754 | g_free(transfer->buffer); |
755 | libusb_free_transfer(transfer); | |
3b533202 | 756 | |
269971dd | 757 | if (devc->samp_received >= devc->framesize) { |
e749a8cb BV |
758 | /* That was the last chunk in this frame. Send the buffered |
759 | * pre-trigger samples out now, in one big chunk. */ | |
e98b7f1b UH |
760 | sr_dbg("End of frame, sending %d pre-trigger buffered samples.", |
761 | devc->samp_buffered); | |
69e19dd7 | 762 | send_chunk(sdi, devc->framebuf, devc->samp_buffered); |
e749a8cb BV |
763 | |
764 | /* Mark the end of this frame. */ | |
ae88b97b | 765 | packet.type = SR_DF_FRAME_END; |
269971dd | 766 | sr_session_send(devc->cb_data, &packet); |
ae88b97b | 767 | |
269971dd | 768 | if (devc->limit_frames && ++devc->num_frames == devc->limit_frames) { |
ae88b97b | 769 | /* Terminate session */ |
a3508e33 | 770 | devc->dev_state = STOPPING; |
ae88b97b | 771 | } else { |
269971dd | 772 | devc->dev_state = NEW_CAPTURE; |
ae88b97b BV |
773 | } |
774 | } | |
3b533202 BV |
775 | } |
776 | ||
777 | static int handle_event(int fd, int revents, void *cb_data) | |
778 | { | |
a3508e33 | 779 | const struct sr_dev_inst *sdi; |
ae88b97b | 780 | struct sr_datafeed_packet packet; |
3b533202 | 781 | struct timeval tv; |
269971dd | 782 | struct dev_context *devc; |
a873c594 | 783 | struct drv_context *drvc = di->priv; |
a3508e33 BV |
784 | const struct libusb_pollfd **lupfd; |
785 | int num_probes, i; | |
6e6eeff4 BV |
786 | uint32_t trigger_offset; |
787 | uint8_t capturestate; | |
3b533202 | 788 | |
3b533202 BV |
789 | (void)fd; |
790 | (void)revents; | |
791 | ||
269971dd BV |
792 | sdi = cb_data; |
793 | devc = sdi->priv; | |
a3508e33 BV |
794 | if (devc->dev_state == STOPPING) { |
795 | /* We've been told to wind up the acquisition. */ | |
e98b7f1b UH |
796 | sr_dbg("Stopping acquisition."); |
797 | /* | |
798 | * TODO: Doesn't really cancel pending transfers so they might | |
799 | * come in after SR_DF_END is sent. | |
800 | */ | |
d4abb463 | 801 | lupfd = libusb_get_pollfds(drvc->sr_ctx->libusb_ctx); |
a3508e33 BV |
802 | for (i = 0; lupfd[i]; i++) |
803 | sr_source_remove(lupfd[i]->fd); | |
804 | free(lupfd); | |
805 | ||
806 | packet.type = SR_DF_END; | |
807 | sr_session_send(sdi, &packet); | |
808 | ||
809 | devc->dev_state = IDLE; | |
810 | ||
811 | return TRUE; | |
812 | } | |
813 | ||
3b533202 BV |
814 | /* Always handle pending libusb events. */ |
815 | tv.tv_sec = tv.tv_usec = 0; | |
d4abb463 | 816 | libusb_handle_events_timeout(drvc->sr_ctx->libusb_ctx, &tv); |
3b533202 | 817 | |
3b533202 | 818 | /* TODO: ugh */ |
269971dd | 819 | if (devc->dev_state == NEW_CAPTURE) { |
c118080b | 820 | if (dso_capture_start(sdi) != SR_OK) |
3b533202 | 821 | return TRUE; |
c118080b | 822 | if (dso_enable_trigger(sdi) != SR_OK) |
3b533202 | 823 | return TRUE; |
c118080b | 824 | // if (dso_force_trigger(sdi) != SR_OK) |
a370ef19 | 825 | // return TRUE; |
e98b7f1b | 826 | sr_dbg("Successfully requested next chunk."); |
269971dd | 827 | devc->dev_state = CAPTURE; |
3b533202 BV |
828 | return TRUE; |
829 | } | |
269971dd | 830 | if (devc->dev_state != CAPTURE) |
3b533202 BV |
831 | return TRUE; |
832 | ||
c118080b | 833 | if ((dso_get_capturestate(sdi, &capturestate, &trigger_offset)) != SR_OK) |
3b533202 | 834 | return TRUE; |
3b533202 | 835 | |
e98b7f1b UH |
836 | sr_dbg("Capturestate %d.", capturestate); |
837 | sr_dbg("Trigger offset 0x%.6x.", trigger_offset); | |
3b533202 BV |
838 | switch (capturestate) { |
839 | case CAPTURE_EMPTY: | |
269971dd BV |
840 | if (++devc->capture_empty_count >= MAX_CAPTURE_EMPTY) { |
841 | devc->capture_empty_count = 0; | |
c118080b | 842 | if (dso_capture_start(sdi) != SR_OK) |
3b533202 | 843 | break; |
c118080b | 844 | if (dso_enable_trigger(sdi) != SR_OK) |
3b533202 | 845 | break; |
c118080b | 846 | // if (dso_force_trigger(sdi) != SR_OK) |
a370ef19 | 847 | // break; |
e98b7f1b | 848 | sr_dbg("Successfully requested next chunk."); |
3b533202 BV |
849 | } |
850 | break; | |
851 | case CAPTURE_FILLING: | |
e98b7f1b | 852 | /* No data yet. */ |
3b533202 BV |
853 | break; |
854 | case CAPTURE_READY_8BIT: | |
e749a8cb | 855 | /* Remember where in the captured frame the trigger is. */ |
269971dd | 856 | devc->trigger_offset = trigger_offset; |
e749a8cb | 857 | |
269971dd | 858 | num_probes = (devc->ch1_enabled && devc->ch2_enabled) ? 2 : 1; |
886a52b6 | 859 | /* TODO: Check malloc return value. */ |
269971dd BV |
860 | devc->framebuf = g_try_malloc(devc->framesize * num_probes * 2); |
861 | devc->samp_buffered = devc->samp_received = 0; | |
e749a8cb | 862 | |
3b533202 | 863 | /* Tell the scope to send us the first frame. */ |
69e19dd7 | 864 | if (dso_get_channeldata(sdi, receive_transfer) != SR_OK) |
3b533202 | 865 | break; |
ae88b97b | 866 | |
e98b7f1b UH |
867 | /* |
868 | * Don't hit the state machine again until we're done fetching | |
ae88b97b BV |
869 | * the data we just told the scope to send. |
870 | */ | |
269971dd | 871 | devc->dev_state = FETCH_DATA; |
ae88b97b BV |
872 | |
873 | /* Tell the frontend a new frame is on the way. */ | |
874 | packet.type = SR_DF_FRAME_BEGIN; | |
269971dd | 875 | sr_session_send(sdi, &packet); |
3b533202 BV |
876 | break; |
877 | case CAPTURE_READY_9BIT: | |
878 | /* TODO */ | |
e98b7f1b | 879 | sr_err("Not yet supported."); |
3b533202 BV |
880 | break; |
881 | case CAPTURE_TIMEOUT: | |
882 | /* Doesn't matter, we'll try again next time. */ | |
883 | break; | |
884 | default: | |
e98b7f1b UH |
885 | sr_dbg("Unknown capture state: %d.", capturestate); |
886 | break; | |
3b533202 BV |
887 | } |
888 | ||
889 | return TRUE; | |
890 | } | |
891 | ||
3ffb6964 | 892 | static int hw_dev_acquisition_start(const struct sr_dev_inst *sdi, |
e98b7f1b | 893 | void *cb_data) |
3b533202 BV |
894 | { |
895 | const struct libusb_pollfd **lupfd; | |
269971dd | 896 | struct dev_context *devc; |
a873c594 | 897 | struct drv_context *drvc = di->priv; |
3b533202 BV |
898 | int i; |
899 | ||
3b533202 BV |
900 | if (sdi->status != SR_ST_ACTIVE) |
901 | return SR_ERR; | |
902 | ||
269971dd BV |
903 | devc = sdi->priv; |
904 | devc->cb_data = cb_data; | |
3b533202 | 905 | |
014359e3 | 906 | if (configure_probes(sdi) != SR_OK) { |
e98b7f1b | 907 | sr_err("Failed to configure probes."); |
014359e3 BV |
908 | return SR_ERR; |
909 | } | |
910 | ||
c118080b | 911 | if (dso_init(sdi) != SR_OK) |
3b533202 BV |
912 | return SR_ERR; |
913 | ||
c118080b | 914 | if (dso_capture_start(sdi) != SR_OK) |
3b533202 BV |
915 | return SR_ERR; |
916 | ||
269971dd | 917 | devc->dev_state = CAPTURE; |
d4abb463 | 918 | lupfd = libusb_get_pollfds(drvc->sr_ctx->libusb_ctx); |
3b533202 | 919 | for (i = 0; lupfd[i]; i++) |
e98b7f1b UH |
920 | sr_source_add(lupfd[i]->fd, lupfd[i]->events, TICK, |
921 | handle_event, (void *)sdi); | |
3b533202 BV |
922 | free(lupfd); |
923 | ||
924 | /* Send header packet to the session bus. */ | |
4afdfd46 | 925 | std_session_send_df_header(cb_data, DRIVER_LOG_DOMAIN); |
3b533202 | 926 | |
3b533202 BV |
927 | return SR_OK; |
928 | } | |
929 | ||
69b07d14 | 930 | static int hw_dev_acquisition_stop(struct sr_dev_inst *sdi, void *cb_data) |
3b533202 | 931 | { |
269971dd BV |
932 | struct dev_context *devc; |
933 | ||
934 | (void)cb_data; | |
3b533202 | 935 | |
3b533202 BV |
936 | if (sdi->status != SR_ST_ACTIVE) |
937 | return SR_ERR; | |
938 | ||
a3508e33 BV |
939 | devc = sdi->priv; |
940 | devc->dev_state = STOPPING; | |
3b533202 BV |
941 | |
942 | return SR_OK; | |
943 | } | |
944 | ||
62bb8840 | 945 | SR_PRIV struct sr_dev_driver hantek_dso_driver_info = { |
3b533202 BV |
946 | .name = "hantek-dso", |
947 | .longname = "Hantek DSO", | |
948 | .api_version = 1, | |
949 | .init = hw_init, | |
950 | .cleanup = hw_cleanup, | |
61136ea6 | 951 | .scan = hw_scan, |
811deee4 BV |
952 | .dev_list = hw_dev_list, |
953 | .dev_clear = clear_instances, | |
79917848 | 954 | .config_get = config_get, |
035a1078 | 955 | .config_set = config_set, |
a1c743fc | 956 | .config_list = config_list, |
3b533202 BV |
957 | .dev_open = hw_dev_open, |
958 | .dev_close = hw_dev_close, | |
62bb8840 UH |
959 | .dev_acquisition_start = hw_dev_acquisition_start, |
960 | .dev_acquisition_stop = hw_dev_acquisition_stop, | |
269971dd | 961 | .priv = NULL, |
3b533202 | 962 | }; |