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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 | |
6078d2c9 | 158 | static int 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 | |
3b412e3a | 247 | static int dev_clear(void) |
949b3dc0 BV |
248 | { |
249 | return std_dev_clear(di, clear_dev_context); | |
39cfdd75 BV |
250 | } |
251 | ||
6078d2c9 | 252 | static int init(struct sr_context *sr_ctx) |
61136ea6 | 253 | { |
f6beaac5 | 254 | return std_init(sr_ctx, di, LOG_PREFIX); |
61136ea6 BV |
255 | } |
256 | ||
6078d2c9 | 257 | static GSList *scan(GSList *options) |
3b533202 | 258 | { |
269971dd BV |
259 | struct drv_context *drvc; |
260 | struct dev_context *devc; | |
294dbac7 | 261 | struct sr_dev_inst *sdi; |
46a743c1 BV |
262 | struct sr_usb_dev_inst *usb; |
263 | struct sr_config *src; | |
294dbac7 BV |
264 | const struct dso_profile *prof; |
265 | GSList *l, *devices, *conn_devices; | |
39cfdd75 | 266 | struct libusb_device_descriptor des; |
3b533202 | 267 | libusb_device **devlist; |
61136ea6 | 268 | int devcnt, ret, i, j; |
46a743c1 | 269 | const char *conn; |
e98b7f1b | 270 | |
a873c594 | 271 | drvc = di->priv; |
39cfdd75 | 272 | |
4b97c74e UH |
273 | devcnt = 0; |
274 | devices = 0; | |
275 | ||
294dbac7 BV |
276 | conn = NULL; |
277 | for (l = options; l; l = l->next) { | |
278 | src = l->data; | |
279 | if (src->key == SR_CONF_CONN) { | |
280 | conn = g_variant_get_string(src->data, NULL); | |
281 | break; | |
282 | } | |
283 | } | |
284 | if (conn) | |
285 | conn_devices = sr_usb_find(drvc->sr_ctx->libusb_ctx, conn); | |
286 | else | |
287 | conn_devices = NULL; | |
288 | ||
39cfdd75 | 289 | /* Find all Hantek DSO devices and upload firmware to all of them. */ |
d4abb463 | 290 | libusb_get_device_list(drvc->sr_ctx->libusb_ctx, &devlist); |
3b533202 | 291 | for (i = 0; devlist[i]; i++) { |
46a743c1 | 292 | if (conn) { |
294dbac7 BV |
293 | usb = NULL; |
294 | for (l = conn_devices; l; l = l->next) { | |
295 | usb = l->data; | |
296 | if (usb->bus == libusb_get_bus_number(devlist[i]) | |
297 | && usb->address == libusb_get_device_address(devlist[i])) | |
298 | break; | |
299 | } | |
300 | if (!l) | |
301 | /* This device matched none of the ones that | |
302 | * matched the conn specification. */ | |
303 | continue; | |
46a743c1 | 304 | } |
294dbac7 | 305 | |
61136ea6 | 306 | if ((ret = libusb_get_device_descriptor(devlist[i], &des))) { |
d4928d71 | 307 | sr_err("Failed to get device descriptor: %s.", |
46a743c1 | 308 | libusb_error_name(ret)); |
3b533202 BV |
309 | continue; |
310 | } | |
311 | ||
312 | prof = NULL; | |
313 | for (j = 0; dev_profiles[j].orig_vid; j++) { | |
314 | if (des.idVendor == dev_profiles[j].orig_vid | |
315 | && des.idProduct == dev_profiles[j].orig_pid) { | |
316 | /* Device matches the pre-firmware profile. */ | |
317 | prof = &dev_profiles[j]; | |
e98b7f1b | 318 | sr_dbg("Found a %s %s.", prof->vendor, prof->model); |
3b533202 | 319 | sdi = dso_dev_new(devcnt, prof); |
39cfdd75 | 320 | devices = g_slist_append(devices, sdi); |
269971dd | 321 | devc = sdi->priv; |
3b533202 BV |
322 | if (ezusb_upload_firmware(devlist[i], USB_CONFIGURATION, |
323 | prof->firmware) == SR_OK) | |
324 | /* Remember when the firmware on this device was updated */ | |
269971dd | 325 | devc->fw_updated = g_get_monotonic_time(); |
3b533202 | 326 | else |
e98b7f1b | 327 | sr_err("Firmware upload failed for " |
46a743c1 | 328 | "device %d.", devcnt); |
3b533202 | 329 | /* Dummy USB address of 0xff will get overwritten later. */ |
c118080b | 330 | sdi->conn = sr_usb_dev_inst_new( |
3b533202 BV |
331 | libusb_get_bus_number(devlist[i]), 0xff, NULL); |
332 | devcnt++; | |
333 | break; | |
334 | } else if (des.idVendor == dev_profiles[j].fw_vid | |
335 | && des.idProduct == dev_profiles[j].fw_pid) { | |
336 | /* Device matches the post-firmware profile. */ | |
337 | prof = &dev_profiles[j]; | |
e98b7f1b | 338 | sr_dbg("Found a %s %s.", prof->vendor, prof->model); |
3b533202 BV |
339 | sdi = dso_dev_new(devcnt, prof); |
340 | sdi->status = SR_ST_INACTIVE; | |
39cfdd75 | 341 | devices = g_slist_append(devices, sdi); |
269971dd | 342 | devc = sdi->priv; |
d0eec1ee | 343 | sdi->inst_type = SR_INST_USB; |
c118080b | 344 | sdi->conn = sr_usb_dev_inst_new( |
3b533202 BV |
345 | libusb_get_bus_number(devlist[i]), |
346 | libusb_get_device_address(devlist[i]), NULL); | |
347 | devcnt++; | |
348 | break; | |
349 | } | |
350 | } | |
351 | if (!prof) | |
352 | /* not a supported VID/PID */ | |
353 | continue; | |
354 | } | |
355 | libusb_free_device_list(devlist, 1); | |
356 | ||
39cfdd75 | 357 | return devices; |
3b533202 BV |
358 | } |
359 | ||
6078d2c9 | 360 | static GSList *dev_list(void) |
811deee4 | 361 | { |
0e94d524 | 362 | return ((struct drv_context *)(di->priv))->instances; |
811deee4 BV |
363 | } |
364 | ||
6078d2c9 | 365 | static int dev_open(struct sr_dev_inst *sdi) |
3b533202 | 366 | { |
269971dd | 367 | struct dev_context *devc; |
c118080b | 368 | struct sr_usb_dev_inst *usb; |
fc8fe3e3 BV |
369 | int64_t timediff_us, timediff_ms; |
370 | int err; | |
3b533202 | 371 | |
269971dd | 372 | devc = sdi->priv; |
c118080b | 373 | usb = sdi->conn; |
3b533202 BV |
374 | |
375 | /* | |
e98b7f1b UH |
376 | * If the firmware was recently uploaded, wait up to MAX_RENUM_DELAY_MS |
377 | * for the FX2 to renumerate. | |
3b533202 | 378 | */ |
fc8fe3e3 | 379 | err = SR_ERR; |
269971dd | 380 | if (devc->fw_updated > 0) { |
e98b7f1b UH |
381 | sr_info("Waiting for device to reset."); |
382 | /* Takes >= 300ms for the FX2 to be gone from the USB bus. */ | |
3b533202 | 383 | g_usleep(300 * 1000); |
fc8fe3e3 BV |
384 | timediff_ms = 0; |
385 | while (timediff_ms < MAX_RENUM_DELAY_MS) { | |
25a0f108 | 386 | if ((err = dso_open(sdi)) == SR_OK) |
3b533202 BV |
387 | break; |
388 | g_usleep(100 * 1000); | |
269971dd | 389 | timediff_us = g_get_monotonic_time() - devc->fw_updated; |
fc8fe3e3 | 390 | timediff_ms = timediff_us / 1000; |
e98b7f1b | 391 | sr_spew("Waited %" PRIi64 " ms.", timediff_ms); |
3b533202 | 392 | } |
e98b7f1b | 393 | sr_info("Device came back after %d ms.", timediff_ms); |
3b533202 | 394 | } else { |
25a0f108 | 395 | err = dso_open(sdi); |
3b533202 BV |
396 | } |
397 | ||
398 | if (err != SR_OK) { | |
e98b7f1b | 399 | sr_err("Unable to open device."); |
3b533202 BV |
400 | return SR_ERR; |
401 | } | |
402 | ||
c118080b | 403 | err = libusb_claim_interface(usb->devhdl, USB_INTERFACE); |
3b533202 | 404 | if (err != 0) { |
d4928d71 | 405 | sr_err("Unable to claim interface: %s.", |
46a743c1 | 406 | libusb_error_name(err)); |
3b533202 BV |
407 | return SR_ERR; |
408 | } | |
409 | ||
410 | return SR_OK; | |
411 | } | |
412 | ||
6078d2c9 | 413 | static int dev_close(struct sr_dev_inst *sdi) |
3b533202 | 414 | { |
3b533202 BV |
415 | dso_close(sdi); |
416 | ||
417 | return SR_OK; | |
418 | } | |
419 | ||
6078d2c9 | 420 | static int cleanup(void) |
3b533202 | 421 | { |
3b412e3a | 422 | return dev_clear(); |
3b533202 BV |
423 | } |
424 | ||
79917848 BV |
425 | static int config_get(int id, GVariant **data, const struct sr_dev_inst *sdi) |
426 | { | |
624f5b4c BV |
427 | struct sr_usb_dev_inst *usb; |
428 | char str[128]; | |
79917848 | 429 | |
79917848 | 430 | switch (id) { |
624f5b4c BV |
431 | case SR_CONF_CONN: |
432 | if (!sdi || !sdi->conn) | |
e2033d49 | 433 | return SR_ERR_ARG; |
624f5b4c BV |
434 | usb = sdi->conn; |
435 | if (usb->address == 255) | |
436 | /* Device still needs to re-enumerate after firmware | |
437 | * upload, so we don't know its (future) address. */ | |
438 | return SR_ERR; | |
439 | snprintf(str, 128, "%d.%d", usb->bus, usb->address); | |
440 | *data = g_variant_new_string(str); | |
441 | break; | |
79917848 BV |
442 | case SR_CONF_NUM_TIMEBASE: |
443 | *data = g_variant_new_int32(NUM_TIMEBASE); | |
444 | break; | |
445 | case SR_CONF_NUM_VDIV: | |
446 | *data = g_variant_new_int32(NUM_VDIV); | |
447 | break; | |
448 | default: | |
bd6fbf62 | 449 | return SR_ERR_NA; |
79917848 BV |
450 | } |
451 | ||
452 | return SR_OK; | |
453 | } | |
454 | ||
f627afd6 | 455 | static int config_set(int id, GVariant *data, const struct sr_dev_inst *sdi) |
3b533202 | 456 | { |
269971dd | 457 | struct dev_context *devc; |
f627afd6 | 458 | double tmp_double; |
86bb3f4a | 459 | uint64_t tmp_u64, p, q; |
f627afd6 BV |
460 | int tmp_int, ret; |
461 | unsigned int i; | |
462 | const char *tmp_str; | |
4a090d72 | 463 | char **targets; |
3b533202 | 464 | |
3b533202 | 465 | if (sdi->status != SR_ST_ACTIVE) |
e73ffd42 | 466 | return SR_ERR_DEV_CLOSED; |
3b533202 | 467 | |
a370ef19 | 468 | ret = SR_OK; |
269971dd | 469 | devc = sdi->priv; |
035a1078 | 470 | switch (id) { |
1953564a | 471 | case SR_CONF_LIMIT_FRAMES: |
f627afd6 | 472 | devc->limit_frames = g_variant_get_uint64(data); |
ae88b97b | 473 | break; |
1953564a | 474 | case SR_CONF_TRIGGER_SLOPE: |
f627afd6 | 475 | tmp_u64 = g_variant_get_uint64(data); |
a370ef19 BV |
476 | if (tmp_u64 != SLOPE_NEGATIVE && tmp_u64 != SLOPE_POSITIVE) |
477 | ret = SR_ERR_ARG; | |
269971dd | 478 | devc->triggerslope = tmp_u64; |
a370ef19 | 479 | break; |
1953564a | 480 | case SR_CONF_HORIZ_TRIGGERPOS: |
f627afd6 BV |
481 | tmp_double = g_variant_get_double(data); |
482 | if (tmp_double < 0.0 || tmp_double > 1.0) { | |
e98b7f1b | 483 | sr_err("Trigger position should be between 0.0 and 1.0."); |
3b533202 | 484 | ret = SR_ERR_ARG; |
a370ef19 | 485 | } else |
f627afd6 | 486 | devc->triggerposition = tmp_double; |
a370ef19 | 487 | break; |
1953564a | 488 | case SR_CONF_BUFFERSIZE: |
f627afd6 | 489 | tmp_u64 = g_variant_get_uint64(data); |
034accb5 BV |
490 | for (i = 0; i < 2; i++) { |
491 | if (devc->profile->buffersizes[i] == tmp_u64) { | |
269971dd | 492 | devc->framesize = tmp_u64; |
a370ef19 BV |
493 | break; |
494 | } | |
495 | } | |
034accb5 | 496 | if (i == 2) |
a370ef19 BV |
497 | ret = SR_ERR_ARG; |
498 | break; | |
1953564a | 499 | case SR_CONF_TIMEBASE: |
86bb3f4a | 500 | g_variant_get(data, "(tt)", &p, &q); |
f627afd6 BV |
501 | tmp_int = -1; |
502 | for (i = 0; i < ARRAY_SIZE(timebases); i++) { | |
503 | if (timebases[i][0] == p && timebases[i][1] == q) { | |
504 | tmp_int = i; | |
a370ef19 BV |
505 | break; |
506 | } | |
507 | } | |
f627afd6 BV |
508 | if (tmp_int >= 0) |
509 | devc->timebase = tmp_int; | |
510 | else | |
a370ef19 BV |
511 | ret = SR_ERR_ARG; |
512 | break; | |
1953564a | 513 | case SR_CONF_TRIGGER_SOURCE: |
f627afd6 | 514 | tmp_str = g_variant_get_string(data, NULL); |
a370ef19 | 515 | for (i = 0; trigger_sources[i]; i++) { |
f627afd6 BV |
516 | if (!strcmp(tmp_str, trigger_sources[i])) { |
517 | devc->triggersource = g_strdup(tmp_str); | |
a370ef19 BV |
518 | break; |
519 | } | |
520 | } | |
521 | if (trigger_sources[i] == 0) | |
522 | ret = SR_ERR_ARG; | |
523 | break; | |
1953564a | 524 | case SR_CONF_FILTER: |
f627afd6 | 525 | tmp_str = g_variant_get_string(data, NULL); |
269971dd | 526 | devc->filter_ch1 = devc->filter_ch2 = devc->filter_trigger = 0; |
f627afd6 | 527 | targets = g_strsplit(tmp_str, ",", 0); |
ebb781a6 BV |
528 | for (i = 0; targets[i]; i++) { |
529 | if (targets[i] == '\0') | |
530 | /* Empty filter string can be used to clear them all. */ | |
531 | ; | |
532 | else if (!strcmp(targets[i], "CH1")) | |
269971dd | 533 | devc->filter_ch1 = TRUE; |
ebb781a6 | 534 | else if (!strcmp(targets[i], "CH2")) |
269971dd | 535 | devc->filter_ch2 = TRUE; |
ebb781a6 | 536 | else if (!strcmp(targets[i], "TRIGGER")) |
269971dd | 537 | devc->filter_trigger = TRUE; |
ebb781a6 | 538 | else { |
e98b7f1b | 539 | sr_err("Invalid filter target %s.", targets[i]); |
ebb781a6 BV |
540 | ret = SR_ERR_ARG; |
541 | } | |
542 | } | |
543 | g_strfreev(targets); | |
544 | break; | |
1953564a | 545 | case SR_CONF_VDIV: |
e98b7f1b | 546 | /* TODO: Not supporting vdiv per channel yet. */ |
86bb3f4a | 547 | g_variant_get(data, "(tt)", &p, &q); |
f627afd6 BV |
548 | tmp_int = -1; |
549 | for (i = 0; i < ARRAY_SIZE(vdivs); i++) { | |
550 | if (vdivs[i][0] == p && vdivs[i][1] == q) { | |
551 | tmp_int = i; | |
313deed2 BV |
552 | break; |
553 | } | |
554 | } | |
f627afd6 BV |
555 | if (tmp_int >= 0) { |
556 | devc->voltage_ch1 = tmp_int; | |
557 | devc->voltage_ch2 = tmp_int; | |
558 | } else | |
313deed2 BV |
559 | ret = SR_ERR_ARG; |
560 | break; | |
1953564a | 561 | case SR_CONF_COUPLING: |
f627afd6 | 562 | tmp_str = g_variant_get_string(data, NULL); |
e98b7f1b | 563 | /* TODO: Not supporting coupling per channel yet. */ |
b58fbd99 | 564 | for (i = 0; coupling[i]; i++) { |
f627afd6 | 565 | if (!strcmp(tmp_str, coupling[i])) { |
269971dd BV |
566 | devc->coupling_ch1 = i; |
567 | devc->coupling_ch2 = i; | |
b58fbd99 BV |
568 | break; |
569 | } | |
570 | } | |
571 | if (coupling[i] == 0) | |
572 | ret = SR_ERR_ARG; | |
573 | break; | |
3b533202 | 574 | default: |
bd6fbf62 | 575 | ret = SR_ERR_NA; |
e98b7f1b | 576 | break; |
3b533202 BV |
577 | } |
578 | ||
579 | return ret; | |
580 | } | |
581 | ||
f627afd6 | 582 | static int config_list(int key, GVariant **data, const struct sr_dev_inst *sdi) |
a1c743fc | 583 | { |
034accb5 | 584 | struct dev_context *devc; |
3973ee26 BV |
585 | GVariant *tuple, *rational[2]; |
586 | GVariantBuilder gvb; | |
587 | unsigned int i; | |
a1c743fc | 588 | |
034accb5 BV |
589 | if (!sdi) |
590 | return SR_ERR_ARG; | |
591 | ||
592 | devc = sdi->priv; | |
a1c743fc | 593 | switch (key) { |
624f5b4c BV |
594 | case SR_CONF_SCAN_OPTIONS: |
595 | *data = g_variant_new_fixed_array(G_VARIANT_TYPE_INT32, | |
596 | scanopts, ARRAY_SIZE(scanopts), sizeof(int32_t)); | |
597 | break; | |
9a6517d1 | 598 | case SR_CONF_DEVICE_OPTIONS: |
f627afd6 BV |
599 | *data = g_variant_new_fixed_array(G_VARIANT_TYPE_INT32, |
600 | devopts, ARRAY_SIZE(devopts), sizeof(int32_t)); | |
9a6517d1 | 601 | break; |
6d1ceffa | 602 | case SR_CONF_BUFFERSIZE: |
f627afd6 | 603 | *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT64, |
034accb5 | 604 | devc->profile->buffersizes, 2, sizeof(uint64_t)); |
6d1ceffa | 605 | break; |
2a7b113d | 606 | case SR_CONF_COUPLING: |
f627afd6 | 607 | *data = g_variant_new_strv(coupling, ARRAY_SIZE(coupling)); |
2a7b113d | 608 | break; |
e4f2b2ad | 609 | case SR_CONF_VDIV: |
3973ee26 BV |
610 | g_variant_builder_init(&gvb, G_VARIANT_TYPE_ARRAY); |
611 | for (i = 0; i < ARRAY_SIZE(vdivs); i++) { | |
612 | rational[0] = g_variant_new_uint64(vdivs[i][0]); | |
613 | rational[1] = g_variant_new_uint64(vdivs[i][1]); | |
614 | tuple = g_variant_new_tuple(rational, 2); | |
615 | g_variant_builder_add_value(&gvb, tuple); | |
616 | } | |
617 | *data = g_variant_builder_end(&gvb); | |
e4f2b2ad | 618 | break; |
6e1fbcc4 | 619 | case SR_CONF_FILTER: |
f627afd6 BV |
620 | *data = g_variant_new_strv(filter_targets, |
621 | ARRAY_SIZE(filter_targets)); | |
6e1fbcc4 | 622 | break; |
41f5bd09 | 623 | case SR_CONF_TIMEBASE: |
3973ee26 BV |
624 | g_variant_builder_init(&gvb, G_VARIANT_TYPE_ARRAY); |
625 | for (i = 0; i < ARRAY_SIZE(timebases); i++) { | |
626 | rational[0] = g_variant_new_uint64(timebases[i][0]); | |
627 | rational[1] = g_variant_new_uint64(timebases[i][1]); | |
628 | tuple = g_variant_new_tuple(rational, 2); | |
629 | g_variant_builder_add_value(&gvb, tuple); | |
630 | } | |
631 | *data = g_variant_builder_end(&gvb); | |
41f5bd09 | 632 | break; |
328bafab | 633 | case SR_CONF_TRIGGER_SOURCE: |
f627afd6 BV |
634 | *data = g_variant_new_strv(trigger_sources, |
635 | ARRAY_SIZE(trigger_sources)); | |
328bafab | 636 | break; |
a1c743fc | 637 | default: |
bd6fbf62 | 638 | return SR_ERR_NA; |
a1c743fc BV |
639 | } |
640 | ||
641 | return SR_OK; | |
642 | } | |
643 | ||
69e19dd7 | 644 | static void send_chunk(struct sr_dev_inst *sdi, unsigned char *buf, |
e749a8cb | 645 | int num_samples) |
3b533202 BV |
646 | { |
647 | struct sr_datafeed_packet packet; | |
648 | struct sr_datafeed_analog analog; | |
69e19dd7 | 649 | struct dev_context *devc; |
c5841b28 | 650 | float ch1, ch2, range; |
6e71ef3b | 651 | int num_probes, data_offset, i; |
3b533202 | 652 | |
69e19dd7 | 653 | devc = sdi->priv; |
269971dd | 654 | num_probes = (devc->ch1_enabled && devc->ch2_enabled) ? 2 : 1; |
3b533202 BV |
655 | packet.type = SR_DF_ANALOG; |
656 | packet.payload = &analog; | |
6e71ef3b | 657 | /* TODO: support for 5xxx series 9-bit samples */ |
69e19dd7 | 658 | analog.probes = devc->enabled_probes; |
e749a8cb | 659 | analog.num_samples = num_samples; |
9956f285 UH |
660 | analog.mq = SR_MQ_VOLTAGE; |
661 | analog.unit = SR_UNIT_VOLT; | |
886a52b6 | 662 | /* TODO: Check malloc return value. */ |
6e71ef3b BV |
663 | analog.data = g_try_malloc(analog.num_samples * sizeof(float) * num_probes); |
664 | data_offset = 0; | |
3b533202 | 665 | for (i = 0; i < analog.num_samples; i++) { |
e98b7f1b UH |
666 | /* |
667 | * The device always sends data for both channels. If a channel | |
6e71ef3b | 668 | * is disabled, it contains a copy of the enabled channel's |
e98b7f1b UH |
669 | * data. However, we only send the requested channels to |
670 | * the bus. | |
c5841b28 | 671 | * |
e98b7f1b UH |
672 | * Voltage values are encoded as a value 0-255 (0-512 on the |
673 | * DSO-5200*), where the value is a point in the range | |
674 | * represented by the vdiv setting. There are 8 vertical divs, | |
675 | * so e.g. 500mV/div represents 4V peak-to-peak where 0 = -2V | |
676 | * and 255 = +2V. | |
6e71ef3b | 677 | */ |
e98b7f1b | 678 | /* TODO: Support for DSO-5xxx series 9-bit samples. */ |
269971dd | 679 | if (devc->ch1_enabled) { |
f627afd6 | 680 | range = ((float)vdivs[devc->voltage_ch1][0] / vdivs[devc->voltage_ch1][1]) * 8; |
e749a8cb | 681 | ch1 = range / 255 * *(buf + i * 2 + 1); |
c5841b28 BV |
682 | /* Value is centered around 0V. */ |
683 | ch1 -= range / 2; | |
6e71ef3b BV |
684 | analog.data[data_offset++] = ch1; |
685 | } | |
269971dd | 686 | if (devc->ch2_enabled) { |
f627afd6 | 687 | range = ((float)vdivs[devc->voltage_ch2][0] / vdivs[devc->voltage_ch2][1]) * 8; |
e749a8cb | 688 | ch2 = range / 255 * *(buf + i * 2); |
c5841b28 | 689 | ch2 -= range / 2; |
6e71ef3b BV |
690 | analog.data[data_offset++] = ch2; |
691 | } | |
3b533202 | 692 | } |
269971dd | 693 | sr_session_send(devc->cb_data, &packet); |
e749a8cb BV |
694 | } |
695 | ||
e98b7f1b UH |
696 | /* |
697 | * Called by libusb (as triggered by handle_event()) when a transfer comes in. | |
e749a8cb | 698 | * Only channel data comes in asynchronously, and all transfers for this are |
e98b7f1b | 699 | * queued up beforehand, so this just needs to chuck the incoming data onto |
e749a8cb BV |
700 | * the libsigrok session bus. |
701 | */ | |
702 | static void receive_transfer(struct libusb_transfer *transfer) | |
703 | { | |
704 | struct sr_datafeed_packet packet; | |
69e19dd7 | 705 | struct sr_dev_inst *sdi; |
269971dd | 706 | struct dev_context *devc; |
e749a8cb BV |
707 | int num_samples, pre; |
708 | ||
69e19dd7 BV |
709 | sdi = transfer->user_data; |
710 | devc = sdi->priv; | |
d4007311 | 711 | sr_spew("receive_transfer(): status %d received %d bytes.", |
46a743c1 | 712 | transfer->status, transfer->actual_length); |
e749a8cb BV |
713 | |
714 | if (transfer->actual_length == 0) | |
715 | /* Nothing to send to the bus. */ | |
716 | return; | |
717 | ||
718 | num_samples = transfer->actual_length / 2; | |
719 | ||
d4007311 | 720 | sr_spew("Got %d-%d/%d samples in frame.", devc->samp_received + 1, |
46a743c1 | 721 | devc->samp_received + num_samples, devc->framesize); |
e749a8cb | 722 | |
e98b7f1b UH |
723 | /* |
724 | * The device always sends a full frame, but the beginning of the frame | |
e749a8cb BV |
725 | * doesn't represent the trigger point. The offset at which the trigger |
726 | * happened came in with the capture state, so we need to start sending | |
e98b7f1b UH |
727 | * from there up the session bus. The samples in the frame buffer |
728 | * before that trigger point came after the end of the device's frame | |
729 | * buffer was reached, and it wrapped around to overwrite up until the | |
730 | * trigger point. | |
e749a8cb | 731 | */ |
269971dd | 732 | if (devc->samp_received < devc->trigger_offset) { |
e749a8cb | 733 | /* Trigger point not yet reached. */ |
269971dd | 734 | if (devc->samp_received + num_samples < devc->trigger_offset) { |
e749a8cb | 735 | /* The entire chunk is before the trigger point. */ |
269971dd | 736 | memcpy(devc->framebuf + devc->samp_buffered * 2, |
e749a8cb | 737 | transfer->buffer, num_samples * 2); |
269971dd | 738 | devc->samp_buffered += num_samples; |
e749a8cb | 739 | } else { |
e98b7f1b UH |
740 | /* |
741 | * This chunk hits or overruns the trigger point. | |
e749a8cb | 742 | * Store the part before the trigger fired, and |
e98b7f1b UH |
743 | * send the rest up to the session bus. |
744 | */ | |
269971dd BV |
745 | pre = devc->trigger_offset - devc->samp_received; |
746 | memcpy(devc->framebuf + devc->samp_buffered * 2, | |
e749a8cb | 747 | transfer->buffer, pre * 2); |
269971dd | 748 | devc->samp_buffered += pre; |
e749a8cb BV |
749 | |
750 | /* The rest of this chunk starts with the trigger point. */ | |
e98b7f1b | 751 | sr_dbg("Reached trigger point, %d samples buffered.", |
46a743c1 | 752 | devc->samp_buffered); |
e749a8cb BV |
753 | |
754 | /* Avoid the corner case where the chunk ended at | |
755 | * exactly the trigger point. */ | |
756 | if (num_samples > pre) | |
69e19dd7 | 757 | send_chunk(sdi, transfer->buffer + pre * 2, |
e749a8cb BV |
758 | num_samples - pre); |
759 | } | |
760 | } else { | |
761 | /* Already past the trigger point, just send it all out. */ | |
69e19dd7 | 762 | send_chunk(sdi, transfer->buffer, |
e749a8cb BV |
763 | num_samples); |
764 | } | |
765 | ||
269971dd | 766 | devc->samp_received += num_samples; |
e749a8cb BV |
767 | |
768 | /* Everything in this transfer was either copied to the buffer or | |
769 | * sent to the session bus. */ | |
3b533202 BV |
770 | g_free(transfer->buffer); |
771 | libusb_free_transfer(transfer); | |
3b533202 | 772 | |
269971dd | 773 | if (devc->samp_received >= devc->framesize) { |
e749a8cb BV |
774 | /* That was the last chunk in this frame. Send the buffered |
775 | * pre-trigger samples out now, in one big chunk. */ | |
e98b7f1b | 776 | sr_dbg("End of frame, sending %d pre-trigger buffered samples.", |
46a743c1 | 777 | devc->samp_buffered); |
69e19dd7 | 778 | send_chunk(sdi, devc->framebuf, devc->samp_buffered); |
e749a8cb BV |
779 | |
780 | /* Mark the end of this frame. */ | |
ae88b97b | 781 | packet.type = SR_DF_FRAME_END; |
269971dd | 782 | sr_session_send(devc->cb_data, &packet); |
ae88b97b | 783 | |
269971dd | 784 | if (devc->limit_frames && ++devc->num_frames == devc->limit_frames) { |
ae88b97b | 785 | /* Terminate session */ |
a3508e33 | 786 | devc->dev_state = STOPPING; |
ae88b97b | 787 | } else { |
269971dd | 788 | devc->dev_state = NEW_CAPTURE; |
ae88b97b BV |
789 | } |
790 | } | |
3b533202 BV |
791 | } |
792 | ||
793 | static int handle_event(int fd, int revents, void *cb_data) | |
794 | { | |
a3508e33 | 795 | const struct sr_dev_inst *sdi; |
ae88b97b | 796 | struct sr_datafeed_packet packet; |
3b533202 | 797 | struct timeval tv; |
269971dd | 798 | struct dev_context *devc; |
a873c594 | 799 | struct drv_context *drvc = di->priv; |
a3508e33 BV |
800 | const struct libusb_pollfd **lupfd; |
801 | int num_probes, i; | |
6e6eeff4 BV |
802 | uint32_t trigger_offset; |
803 | uint8_t capturestate; | |
3b533202 | 804 | |
3b533202 BV |
805 | (void)fd; |
806 | (void)revents; | |
807 | ||
269971dd BV |
808 | sdi = cb_data; |
809 | devc = sdi->priv; | |
a3508e33 BV |
810 | if (devc->dev_state == STOPPING) { |
811 | /* We've been told to wind up the acquisition. */ | |
e98b7f1b UH |
812 | sr_dbg("Stopping acquisition."); |
813 | /* | |
814 | * TODO: Doesn't really cancel pending transfers so they might | |
815 | * come in after SR_DF_END is sent. | |
816 | */ | |
d4abb463 | 817 | lupfd = libusb_get_pollfds(drvc->sr_ctx->libusb_ctx); |
a3508e33 BV |
818 | for (i = 0; lupfd[i]; i++) |
819 | sr_source_remove(lupfd[i]->fd); | |
820 | free(lupfd); | |
821 | ||
822 | packet.type = SR_DF_END; | |
823 | sr_session_send(sdi, &packet); | |
824 | ||
825 | devc->dev_state = IDLE; | |
826 | ||
827 | return TRUE; | |
828 | } | |
829 | ||
3b533202 BV |
830 | /* Always handle pending libusb events. */ |
831 | tv.tv_sec = tv.tv_usec = 0; | |
d4abb463 | 832 | libusb_handle_events_timeout(drvc->sr_ctx->libusb_ctx, &tv); |
3b533202 | 833 | |
3b533202 | 834 | /* TODO: ugh */ |
269971dd | 835 | if (devc->dev_state == NEW_CAPTURE) { |
c118080b | 836 | if (dso_capture_start(sdi) != SR_OK) |
3b533202 | 837 | return TRUE; |
c118080b | 838 | if (dso_enable_trigger(sdi) != SR_OK) |
3b533202 | 839 | return TRUE; |
c118080b | 840 | // if (dso_force_trigger(sdi) != SR_OK) |
a370ef19 | 841 | // return TRUE; |
e98b7f1b | 842 | sr_dbg("Successfully requested next chunk."); |
269971dd | 843 | devc->dev_state = CAPTURE; |
3b533202 BV |
844 | return TRUE; |
845 | } | |
269971dd | 846 | if (devc->dev_state != CAPTURE) |
3b533202 BV |
847 | return TRUE; |
848 | ||
c118080b | 849 | if ((dso_get_capturestate(sdi, &capturestate, &trigger_offset)) != SR_OK) |
3b533202 | 850 | return TRUE; |
3b533202 | 851 | |
e98b7f1b UH |
852 | sr_dbg("Capturestate %d.", capturestate); |
853 | sr_dbg("Trigger offset 0x%.6x.", trigger_offset); | |
3b533202 BV |
854 | switch (capturestate) { |
855 | case CAPTURE_EMPTY: | |
269971dd BV |
856 | if (++devc->capture_empty_count >= MAX_CAPTURE_EMPTY) { |
857 | devc->capture_empty_count = 0; | |
c118080b | 858 | if (dso_capture_start(sdi) != SR_OK) |
3b533202 | 859 | break; |
c118080b | 860 | if (dso_enable_trigger(sdi) != SR_OK) |
3b533202 | 861 | break; |
c118080b | 862 | // if (dso_force_trigger(sdi) != SR_OK) |
a370ef19 | 863 | // break; |
e98b7f1b | 864 | sr_dbg("Successfully requested next chunk."); |
3b533202 BV |
865 | } |
866 | break; | |
867 | case CAPTURE_FILLING: | |
e98b7f1b | 868 | /* No data yet. */ |
3b533202 BV |
869 | break; |
870 | case CAPTURE_READY_8BIT: | |
e749a8cb | 871 | /* Remember where in the captured frame the trigger is. */ |
269971dd | 872 | devc->trigger_offset = trigger_offset; |
e749a8cb | 873 | |
269971dd | 874 | num_probes = (devc->ch1_enabled && devc->ch2_enabled) ? 2 : 1; |
886a52b6 | 875 | /* TODO: Check malloc return value. */ |
269971dd BV |
876 | devc->framebuf = g_try_malloc(devc->framesize * num_probes * 2); |
877 | devc->samp_buffered = devc->samp_received = 0; | |
e749a8cb | 878 | |
3b533202 | 879 | /* Tell the scope to send us the first frame. */ |
69e19dd7 | 880 | if (dso_get_channeldata(sdi, receive_transfer) != SR_OK) |
3b533202 | 881 | break; |
ae88b97b | 882 | |
e98b7f1b UH |
883 | /* |
884 | * Don't hit the state machine again until we're done fetching | |
ae88b97b BV |
885 | * the data we just told the scope to send. |
886 | */ | |
269971dd | 887 | devc->dev_state = FETCH_DATA; |
ae88b97b BV |
888 | |
889 | /* Tell the frontend a new frame is on the way. */ | |
890 | packet.type = SR_DF_FRAME_BEGIN; | |
269971dd | 891 | sr_session_send(sdi, &packet); |
3b533202 BV |
892 | break; |
893 | case CAPTURE_READY_9BIT: | |
894 | /* TODO */ | |
e98b7f1b | 895 | sr_err("Not yet supported."); |
3b533202 BV |
896 | break; |
897 | case CAPTURE_TIMEOUT: | |
898 | /* Doesn't matter, we'll try again next time. */ | |
899 | break; | |
900 | default: | |
e98b7f1b UH |
901 | sr_dbg("Unknown capture state: %d.", capturestate); |
902 | break; | |
3b533202 BV |
903 | } |
904 | ||
905 | return TRUE; | |
906 | } | |
907 | ||
6078d2c9 | 908 | static int dev_acquisition_start(const struct sr_dev_inst *sdi, void *cb_data) |
3b533202 BV |
909 | { |
910 | const struct libusb_pollfd **lupfd; | |
269971dd | 911 | struct dev_context *devc; |
a873c594 | 912 | struct drv_context *drvc = di->priv; |
3b533202 BV |
913 | int i; |
914 | ||
3b533202 | 915 | if (sdi->status != SR_ST_ACTIVE) |
e73ffd42 | 916 | return SR_ERR_DEV_CLOSED; |
3b533202 | 917 | |
269971dd BV |
918 | devc = sdi->priv; |
919 | devc->cb_data = cb_data; | |
3b533202 | 920 | |
014359e3 | 921 | if (configure_probes(sdi) != SR_OK) { |
e98b7f1b | 922 | sr_err("Failed to configure probes."); |
014359e3 BV |
923 | return SR_ERR; |
924 | } | |
925 | ||
c118080b | 926 | if (dso_init(sdi) != SR_OK) |
3b533202 BV |
927 | return SR_ERR; |
928 | ||
c118080b | 929 | if (dso_capture_start(sdi) != SR_OK) |
3b533202 BV |
930 | return SR_ERR; |
931 | ||
269971dd | 932 | devc->dev_state = CAPTURE; |
d4abb463 | 933 | lupfd = libusb_get_pollfds(drvc->sr_ctx->libusb_ctx); |
3b533202 | 934 | for (i = 0; lupfd[i]; i++) |
e98b7f1b | 935 | sr_source_add(lupfd[i]->fd, lupfd[i]->events, TICK, |
46a743c1 | 936 | handle_event, (void *)sdi); |
3b533202 BV |
937 | free(lupfd); |
938 | ||
939 | /* Send header packet to the session bus. */ | |
29a27196 | 940 | std_session_send_df_header(cb_data, LOG_PREFIX); |
3b533202 | 941 | |
3b533202 BV |
942 | return SR_OK; |
943 | } | |
944 | ||
6078d2c9 | 945 | static int dev_acquisition_stop(struct sr_dev_inst *sdi, void *cb_data) |
3b533202 | 946 | { |
269971dd BV |
947 | struct dev_context *devc; |
948 | ||
949 | (void)cb_data; | |
3b533202 | 950 | |
3b533202 BV |
951 | if (sdi->status != SR_ST_ACTIVE) |
952 | return SR_ERR; | |
953 | ||
a3508e33 BV |
954 | devc = sdi->priv; |
955 | devc->dev_state = STOPPING; | |
3b533202 BV |
956 | |
957 | return SR_OK; | |
958 | } | |
959 | ||
62bb8840 | 960 | SR_PRIV struct sr_dev_driver hantek_dso_driver_info = { |
3b533202 BV |
961 | .name = "hantek-dso", |
962 | .longname = "Hantek DSO", | |
963 | .api_version = 1, | |
6078d2c9 UH |
964 | .init = init, |
965 | .cleanup = cleanup, | |
966 | .scan = scan, | |
967 | .dev_list = dev_list, | |
3b412e3a | 968 | .dev_clear = dev_clear, |
79917848 | 969 | .config_get = config_get, |
035a1078 | 970 | .config_set = config_set, |
a1c743fc | 971 | .config_list = config_list, |
6078d2c9 UH |
972 | .dev_open = dev_open, |
973 | .dev_close = dev_close, | |
974 | .dev_acquisition_start = dev_acquisition_start, | |
975 | .dev_acquisition_stop = dev_acquisition_stop, | |
269971dd | 976 | .priv = NULL, |
3b533202 | 977 | }; |