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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 | ||
6ec6c43b | 20 | #include <config.h> |
417412c8 | 21 | #include <math.h> |
3b533202 BV |
22 | #include <stdio.h> |
23 | #include <stdint.h> | |
24 | #include <stdlib.h> | |
25 | #include <sys/types.h> | |
26 | #include <sys/stat.h> | |
27 | #include <fcntl.h> | |
28 | #include <unistd.h> | |
29 | #include <string.h> | |
30 | #include <sys/time.h> | |
31 | #include <inttypes.h> | |
3b533202 BV |
32 | #include <glib.h> |
33 | #include <libusb.h> | |
c1aae900 | 34 | #include <libsigrok/libsigrok.h> |
45c59c8b | 35 | #include "libsigrok-internal.h" |
caeb8d7a | 36 | #include "protocol.h" |
3b533202 | 37 | |
fc8fe3e3 BV |
38 | /* Max time in ms before we want to check on USB events */ |
39 | /* TODO tune this properly */ | |
e98b7f1b | 40 | #define TICK 1 |
3b533202 | 41 | |
d9251a2c UH |
42 | #define NUM_TIMEBASE 10 |
43 | #define NUM_VDIV 8 | |
79917848 | 44 | |
07ffa5b3 UH |
45 | #define NUM_BUFFER_SIZES 2 |
46 | ||
584560f1 | 47 | static const uint32_t scanopts[] = { |
624f5b4c BV |
48 | SR_CONF_CONN, |
49 | }; | |
50 | ||
5ecd9049 | 51 | static const uint32_t drvopts[] = { |
1953564a | 52 | SR_CONF_OSCILLOSCOPE, |
933defaa BV |
53 | }; |
54 | ||
5ecd9049 | 55 | static const uint32_t devopts[] = { |
e91bb0a6 | 56 | SR_CONF_CONTINUOUS, |
933defaa | 57 | SR_CONF_CONN | SR_CONF_GET, |
86621306 | 58 | SR_CONF_LIMIT_FRAMES | SR_CONF_SET, |
933defaa | 59 | SR_CONF_TIMEBASE | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST, |
86621306 UH |
60 | SR_CONF_NUM_HDIV | SR_CONF_GET, |
61 | SR_CONF_HORIZ_TRIGGERPOS | SR_CONF_GET | SR_CONF_SET, | |
933defaa BV |
62 | SR_CONF_TRIGGER_SOURCE | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST, |
63 | SR_CONF_TRIGGER_SLOPE | SR_CONF_GET | SR_CONF_SET, | |
86621306 | 64 | SR_CONF_BUFFERSIZE | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST, |
5827f61b | 65 | SR_CONF_NUM_VDIV | SR_CONF_GET, |
3b533202 BV |
66 | }; |
67 | ||
933defaa | 68 | static const uint32_t devopts_cg[] = { |
933defaa BV |
69 | SR_CONF_VDIV | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST, |
70 | SR_CONF_COUPLING | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST, | |
86621306 | 71 | SR_CONF_FILTER | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST, |
933defaa BV |
72 | }; |
73 | ||
ba7dd8bb | 74 | static const char *channel_names[] = { |
78693401 | 75 | "CH1", "CH2", |
3b533202 BV |
76 | }; |
77 | ||
034accb5 | 78 | static const uint64_t buffersizes_32k[] = { |
1a46cc62 | 79 | (10 * 1024), (32 * 1024), |
034accb5 BV |
80 | }; |
81 | static const uint64_t buffersizes_512k[] = { | |
1a46cc62 | 82 | (10 * 1024), (512 * 1024), |
034accb5 BV |
83 | }; |
84 | static const uint64_t buffersizes_14k[] = { | |
1a46cc62 | 85 | (10 * 1024), (14 * 1024), |
034accb5 BV |
86 | }; |
87 | ||
62bb8840 | 88 | static const struct dso_profile dev_profiles[] = { |
88a13f30 | 89 | { 0x04b4, 0x2090, 0x04b5, 0x2090, |
3b533202 | 90 | "Hantek", "DSO-2090", |
034accb5 | 91 | buffersizes_32k, |
8e2d6c9d | 92 | "hantek-dso-2090.fw" }, |
88a13f30 BV |
93 | { 0x04b4, 0x2150, 0x04b5, 0x2150, |
94 | "Hantek", "DSO-2150", | |
034accb5 | 95 | buffersizes_32k, |
8e2d6c9d | 96 | "hantek-dso-2150.fw" }, |
88a13f30 BV |
97 | { 0x04b4, 0x2250, 0x04b5, 0x2250, |
98 | "Hantek", "DSO-2250", | |
034accb5 | 99 | buffersizes_512k, |
8e2d6c9d | 100 | "hantek-dso-2250.fw" }, |
88a13f30 BV |
101 | { 0x04b4, 0x5200, 0x04b5, 0x5200, |
102 | "Hantek", "DSO-5200", | |
034accb5 | 103 | buffersizes_14k, |
8e2d6c9d | 104 | "hantek-dso-5200.fw" }, |
88a13f30 BV |
105 | { 0x04b4, 0x520a, 0x04b5, 0x520a, |
106 | "Hantek", "DSO-5200A", | |
034accb5 | 107 | buffersizes_512k, |
8e2d6c9d | 108 | "hantek-dso-5200A.fw" }, |
1b4aedc0 | 109 | ALL_ZERO |
a370ef19 BV |
110 | }; |
111 | ||
86bb3f4a | 112 | static const uint64_t timebases[][2] = { |
a370ef19 BV |
113 | /* microseconds */ |
114 | { 10, 1000000 }, | |
115 | { 20, 1000000 }, | |
116 | { 40, 1000000 }, | |
117 | { 100, 1000000 }, | |
118 | { 200, 1000000 }, | |
119 | { 400, 1000000 }, | |
120 | /* milliseconds */ | |
121 | { 1, 1000 }, | |
122 | { 2, 1000 }, | |
123 | { 4, 1000 }, | |
124 | { 10, 1000 }, | |
125 | { 20, 1000 }, | |
126 | { 40, 1000 }, | |
127 | { 100, 1000 }, | |
128 | { 200, 1000 }, | |
129 | { 400, 1000 }, | |
a370ef19 BV |
130 | }; |
131 | ||
86bb3f4a | 132 | static const uint64_t vdivs[][2] = { |
313deed2 BV |
133 | /* millivolts */ |
134 | { 10, 1000 }, | |
135 | { 20, 1000 }, | |
136 | { 50, 1000 }, | |
137 | { 100, 1000 }, | |
138 | { 200, 1000 }, | |
139 | { 500, 1000 }, | |
140 | /* volts */ | |
141 | { 1, 1 }, | |
142 | { 2, 1 }, | |
143 | { 5, 1 }, | |
313deed2 BV |
144 | }; |
145 | ||
62bb8840 | 146 | static const char *trigger_sources[] = { |
a370ef19 BV |
147 | "CH1", |
148 | "CH2", | |
149 | "EXT", | |
88a13f30 | 150 | /* TODO: forced */ |
a370ef19 | 151 | }; |
3b533202 | 152 | |
933defaa BV |
153 | static const char *trigger_slopes[] = { |
154 | "r", | |
155 | "f", | |
ebb781a6 BV |
156 | }; |
157 | ||
62bb8840 | 158 | static const char *coupling[] = { |
b58fbd99 BV |
159 | "AC", |
160 | "DC", | |
161 | "GND", | |
b58fbd99 BV |
162 | }; |
163 | ||
15a5bfe4 | 164 | static struct sr_dev_inst *dso_dev_new(const struct dso_profile *prof) |
3b533202 BV |
165 | { |
166 | struct sr_dev_inst *sdi; | |
ba7dd8bb | 167 | struct sr_channel *ch; |
933defaa | 168 | struct sr_channel_group *cg; |
269971dd | 169 | struct dev_context *devc; |
dcd438ee | 170 | unsigned int i; |
3b533202 | 171 | |
aac29cc1 | 172 | sdi = g_malloc0(sizeof(struct sr_dev_inst)); |
0af636be UH |
173 | sdi->status = SR_ST_INITIALIZING; |
174 | sdi->vendor = g_strdup(prof->vendor); | |
175 | sdi->model = g_strdup(prof->model); | |
3b533202 | 176 | |
e98b7f1b | 177 | /* |
ba7dd8bb | 178 | * Add only the real channels -- EXT isn't a source of data, only |
87ca93c5 BV |
179 | * a trigger source internal to the device. |
180 | */ | |
0f34cb47 | 181 | for (i = 0; i < ARRAY_SIZE(channel_names); i++) { |
5e23fcab | 182 | ch = sr_channel_new(sdi, i, SR_CHANNEL_ANALOG, TRUE, channel_names[i]); |
933defaa BV |
183 | cg = g_malloc0(sizeof(struct sr_channel_group)); |
184 | cg->name = g_strdup(channel_names[i]); | |
185 | cg->channels = g_slist_append(cg->channels, ch); | |
186 | sdi->channel_groups = g_slist_append(sdi->channel_groups, cg); | |
87ca93c5 BV |
187 | } |
188 | ||
933defaa | 189 | devc = g_malloc0(sizeof(struct dev_context)); |
269971dd BV |
190 | devc->profile = prof; |
191 | devc->dev_state = IDLE; | |
192 | devc->timebase = DEFAULT_TIMEBASE; | |
417412c8 AJ |
193 | devc->ch_enabled[0] = TRUE; |
194 | devc->ch_enabled[1] = TRUE; | |
933defaa BV |
195 | devc->voltage[0] = DEFAULT_VOLTAGE; |
196 | devc->voltage[1] = DEFAULT_VOLTAGE; | |
197 | devc->coupling[0] = DEFAULT_COUPLING; | |
198 | devc->coupling[1] = DEFAULT_COUPLING; | |
269971dd BV |
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; | |
3b533202 BV |
207 | |
208 | return sdi; | |
209 | } | |
210 | ||
ba7dd8bb | 211 | static int configure_channels(const struct sr_dev_inst *sdi) |
3b533202 | 212 | { |
014359e3 | 213 | struct dev_context *devc; |
ba7dd8bb | 214 | struct sr_channel *ch; |
62bb8840 | 215 | const GSList *l; |
69e19dd7 | 216 | int p; |
3b533202 | 217 | |
014359e3 BV |
218 | devc = sdi->priv; |
219 | ||
ba7dd8bb | 220 | g_slist_free(devc->enabled_channels); |
417412c8 | 221 | devc->ch_enabled[0] = devc->ch_enabled[1] = FALSE; |
ba7dd8bb UH |
222 | for (l = sdi->channels, p = 0; l; l = l->next, p++) { |
223 | ch = l->data; | |
69e19dd7 | 224 | if (p == 0) |
417412c8 | 225 | devc->ch_enabled[0] = ch->enabled; |
69e19dd7 | 226 | else |
417412c8 | 227 | devc->ch_enabled[1] = ch->enabled; |
ba7dd8bb UH |
228 | if (ch->enabled) |
229 | devc->enabled_channels = g_slist_append(devc->enabled_channels, ch); | |
3b533202 BV |
230 | } |
231 | ||
232 | return SR_OK; | |
233 | } | |
234 | ||
3553451f | 235 | static void clear_helper(struct dev_context *devc) |
39cfdd75 | 236 | { |
949b3dc0 | 237 | g_free(devc->triggersource); |
ba7dd8bb | 238 | g_slist_free(devc->enabled_channels); |
949b3dc0 | 239 | } |
39cfdd75 | 240 | |
4f840ce9 | 241 | static int dev_clear(const struct sr_dev_driver *di) |
949b3dc0 | 242 | { |
3553451f | 243 | return std_dev_clear_with_callback(di, (std_dev_clear_callback)clear_helper); |
39cfdd75 BV |
244 | } |
245 | ||
4f840ce9 | 246 | static GSList *scan(struct sr_dev_driver *di, GSList *options) |
3b533202 | 247 | { |
269971dd BV |
248 | struct drv_context *drvc; |
249 | struct dev_context *devc; | |
294dbac7 | 250 | struct sr_dev_inst *sdi; |
46a743c1 BV |
251 | struct sr_usb_dev_inst *usb; |
252 | struct sr_config *src; | |
294dbac7 BV |
253 | const struct dso_profile *prof; |
254 | GSList *l, *devices, *conn_devices; | |
39cfdd75 | 255 | struct libusb_device_descriptor des; |
3b533202 | 256 | libusb_device **devlist; |
2a8f2d41 | 257 | int i, j; |
46a743c1 | 258 | const char *conn; |
395206f4 | 259 | char connection_id[64]; |
e98b7f1b | 260 | |
41812aca | 261 | drvc = di->context; |
39cfdd75 | 262 | |
4b97c74e UH |
263 | devices = 0; |
264 | ||
294dbac7 BV |
265 | conn = NULL; |
266 | for (l = options; l; l = l->next) { | |
267 | src = l->data; | |
268 | if (src->key == SR_CONF_CONN) { | |
269 | conn = g_variant_get_string(src->data, NULL); | |
270 | break; | |
271 | } | |
272 | } | |
273 | if (conn) | |
274 | conn_devices = sr_usb_find(drvc->sr_ctx->libusb_ctx, conn); | |
275 | else | |
276 | conn_devices = NULL; | |
277 | ||
39cfdd75 | 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++) { |
46a743c1 | 281 | if (conn) { |
294dbac7 BV |
282 | usb = NULL; |
283 | for (l = conn_devices; l; l = l->next) { | |
284 | usb = l->data; | |
285 | if (usb->bus == libusb_get_bus_number(devlist[i]) | |
286 | && usb->address == libusb_get_device_address(devlist[i])) | |
287 | break; | |
288 | } | |
289 | if (!l) | |
290 | /* This device matched none of the ones that | |
291 | * matched the conn specification. */ | |
292 | continue; | |
46a743c1 | 293 | } |
294dbac7 | 294 | |
2a8f2d41 | 295 | libusb_get_device_descriptor(devlist[i], &des); |
3b533202 | 296 | |
395206f4 SA |
297 | usb_get_port_path(devlist[i], connection_id, sizeof(connection_id)); |
298 | ||
3b533202 BV |
299 | prof = NULL; |
300 | for (j = 0; dev_profiles[j].orig_vid; j++) { | |
301 | if (des.idVendor == dev_profiles[j].orig_vid | |
302 | && des.idProduct == dev_profiles[j].orig_pid) { | |
303 | /* Device matches the pre-firmware profile. */ | |
304 | prof = &dev_profiles[j]; | |
e98b7f1b | 305 | sr_dbg("Found a %s %s.", prof->vendor, prof->model); |
15a5bfe4 | 306 | sdi = dso_dev_new(prof); |
395206f4 | 307 | sdi->connection_id = g_strdup(connection_id); |
39cfdd75 | 308 | devices = g_slist_append(devices, sdi); |
269971dd | 309 | devc = sdi->priv; |
8e2d6c9d DE |
310 | if (ezusb_upload_firmware(drvc->sr_ctx, devlist[i], |
311 | USB_CONFIGURATION, prof->firmware) == SR_OK) | |
3b533202 | 312 | /* Remember when the firmware on this device was updated */ |
269971dd | 313 | devc->fw_updated = g_get_monotonic_time(); |
3b533202 | 314 | else |
395206f4 | 315 | sr_err("Firmware upload failed"); |
3b533202 | 316 | /* Dummy USB address of 0xff will get overwritten later. */ |
c118080b | 317 | sdi->conn = sr_usb_dev_inst_new( |
3b533202 | 318 | libusb_get_bus_number(devlist[i]), 0xff, NULL); |
3b533202 BV |
319 | break; |
320 | } else if (des.idVendor == dev_profiles[j].fw_vid | |
321 | && des.idProduct == dev_profiles[j].fw_pid) { | |
322 | /* Device matches the post-firmware profile. */ | |
323 | prof = &dev_profiles[j]; | |
e98b7f1b | 324 | sr_dbg("Found a %s %s.", prof->vendor, prof->model); |
15a5bfe4 | 325 | sdi = dso_dev_new(prof); |
395206f4 | 326 | sdi->connection_id = g_strdup(connection_id); |
3b533202 | 327 | sdi->status = SR_ST_INACTIVE; |
39cfdd75 | 328 | devices = g_slist_append(devices, sdi); |
d0eec1ee | 329 | sdi->inst_type = SR_INST_USB; |
c118080b | 330 | sdi->conn = sr_usb_dev_inst_new( |
3b533202 BV |
331 | libusb_get_bus_number(devlist[i]), |
332 | libusb_get_device_address(devlist[i]), NULL); | |
3b533202 BV |
333 | break; |
334 | } | |
335 | } | |
336 | if (!prof) | |
337 | /* not a supported VID/PID */ | |
338 | continue; | |
339 | } | |
340 | libusb_free_device_list(devlist, 1); | |
341 | ||
15a5bfe4 | 342 | return std_scan_complete(di, devices); |
3b533202 BV |
343 | } |
344 | ||
6078d2c9 | 345 | static int dev_open(struct sr_dev_inst *sdi) |
3b533202 | 346 | { |
269971dd | 347 | struct dev_context *devc; |
c118080b | 348 | struct sr_usb_dev_inst *usb; |
fc8fe3e3 BV |
349 | int64_t timediff_us, timediff_ms; |
350 | int err; | |
3b533202 | 351 | |
269971dd | 352 | devc = sdi->priv; |
c118080b | 353 | usb = sdi->conn; |
3b533202 BV |
354 | |
355 | /* | |
e98b7f1b UH |
356 | * If the firmware was recently uploaded, wait up to MAX_RENUM_DELAY_MS |
357 | * for the FX2 to renumerate. | |
3b533202 | 358 | */ |
fc8fe3e3 | 359 | err = SR_ERR; |
269971dd | 360 | if (devc->fw_updated > 0) { |
e98b7f1b UH |
361 | sr_info("Waiting for device to reset."); |
362 | /* Takes >= 300ms for the FX2 to be gone from the USB bus. */ | |
3b533202 | 363 | g_usleep(300 * 1000); |
fc8fe3e3 BV |
364 | timediff_ms = 0; |
365 | while (timediff_ms < MAX_RENUM_DELAY_MS) { | |
25a0f108 | 366 | if ((err = dso_open(sdi)) == SR_OK) |
3b533202 BV |
367 | break; |
368 | g_usleep(100 * 1000); | |
269971dd | 369 | timediff_us = g_get_monotonic_time() - devc->fw_updated; |
fc8fe3e3 | 370 | timediff_ms = timediff_us / 1000; |
e98b7f1b | 371 | sr_spew("Waited %" PRIi64 " ms.", timediff_ms); |
3b533202 | 372 | } |
6433156c | 373 | sr_info("Device came back after %" PRIi64 " ms.", timediff_ms); |
3b533202 | 374 | } else { |
25a0f108 | 375 | err = dso_open(sdi); |
3b533202 BV |
376 | } |
377 | ||
378 | if (err != SR_OK) { | |
e98b7f1b | 379 | sr_err("Unable to open device."); |
3b533202 BV |
380 | return SR_ERR; |
381 | } | |
382 | ||
c118080b | 383 | err = libusb_claim_interface(usb->devhdl, USB_INTERFACE); |
3b533202 | 384 | if (err != 0) { |
d4928d71 | 385 | sr_err("Unable to claim interface: %s.", |
d9251a2c | 386 | libusb_error_name(err)); |
3b533202 BV |
387 | return SR_ERR; |
388 | } | |
389 | ||
390 | return SR_OK; | |
391 | } | |
392 | ||
6078d2c9 | 393 | static int dev_close(struct sr_dev_inst *sdi) |
3b533202 | 394 | { |
3b533202 BV |
395 | dso_close(sdi); |
396 | ||
397 | return SR_OK; | |
398 | } | |
399 | ||
584560f1 | 400 | static int config_get(uint32_t key, GVariant **data, const struct sr_dev_inst *sdi, |
53b4680f | 401 | const struct sr_channel_group *cg) |
79917848 | 402 | { |
933defaa | 403 | struct dev_context *devc; |
624f5b4c | 404 | struct sr_usb_dev_inst *usb; |
2c240774 UH |
405 | char str[128]; |
406 | const char *s; | |
933defaa BV |
407 | const uint64_t *vdiv; |
408 | int ch_idx; | |
79917848 | 409 | |
584560f1 | 410 | switch (key) { |
bf622e6d | 411 | case SR_CONF_NUM_HDIV: |
79917848 BV |
412 | *data = g_variant_new_int32(NUM_TIMEBASE); |
413 | break; | |
414 | case SR_CONF_NUM_VDIV: | |
415 | *data = g_variant_new_int32(NUM_VDIV); | |
416 | break; | |
933defaa BV |
417 | } |
418 | ||
419 | if (!sdi) | |
420 | return SR_ERR_ARG; | |
421 | ||
422 | devc = sdi->priv; | |
423 | if (!cg) { | |
424 | switch (key) { | |
425 | case SR_CONF_CONN: | |
426 | if (!sdi->conn) | |
427 | return SR_ERR_ARG; | |
428 | usb = sdi->conn; | |
429 | if (usb->address == 255) | |
430 | /* Device still needs to re-enumerate after firmware | |
431 | * upload, so we don't know its (future) address. */ | |
432 | return SR_ERR; | |
433 | snprintf(str, 128, "%d.%d", usb->bus, usb->address); | |
434 | *data = g_variant_new_string(str); | |
435 | break; | |
436 | case SR_CONF_TIMEBASE: | |
437 | *data = g_variant_new("(tt)", timebases[devc->timebase][0], | |
438 | timebases[devc->timebase][1]); | |
439 | break; | |
440 | case SR_CONF_BUFFERSIZE: | |
441 | *data = g_variant_new_uint64(devc->framesize); | |
442 | break; | |
443 | case SR_CONF_TRIGGER_SOURCE: | |
444 | *data = g_variant_new_string(devc->triggersource); | |
445 | break; | |
446 | case SR_CONF_TRIGGER_SLOPE: | |
c442ffda | 447 | s = (devc->triggerslope == SLOPE_POSITIVE) ? "r" : "f"; |
933defaa BV |
448 | *data = g_variant_new_string(s); |
449 | break; | |
450 | case SR_CONF_HORIZ_TRIGGERPOS: | |
451 | *data = g_variant_new_double(devc->triggerposition); | |
452 | break; | |
453 | default: | |
454 | return SR_ERR_NA; | |
455 | } | |
456 | } else { | |
457 | if (sdi->channel_groups->data == cg) | |
458 | ch_idx = 0; | |
459 | else if (sdi->channel_groups->next->data == cg) | |
460 | ch_idx = 1; | |
461 | else | |
462 | return SR_ERR_ARG; | |
0c5f2abc | 463 | switch (key) { |
933defaa BV |
464 | case SR_CONF_FILTER: |
465 | *data = g_variant_new_boolean(devc->filter[ch_idx]); | |
466 | break; | |
467 | case SR_CONF_VDIV: | |
468 | vdiv = vdivs[devc->voltage[ch_idx]]; | |
469 | *data = g_variant_new("(tt)", vdiv[0], vdiv[1]); | |
470 | break; | |
471 | case SR_CONF_COUPLING: | |
472 | *data = g_variant_new_string(coupling[devc->coupling[ch_idx]]); | |
473 | break; | |
474 | } | |
79917848 BV |
475 | } |
476 | ||
477 | return SR_OK; | |
478 | } | |
479 | ||
584560f1 | 480 | static int config_set(uint32_t key, GVariant *data, const struct sr_dev_inst *sdi, |
53b4680f | 481 | const struct sr_channel_group *cg) |
3b533202 | 482 | { |
269971dd | 483 | struct dev_context *devc; |
f627afd6 | 484 | double tmp_double; |
86bb3f4a | 485 | uint64_t tmp_u64, p, q; |
a9010323 | 486 | int tmp_int, ch_idx; |
f627afd6 BV |
487 | unsigned int i; |
488 | const char *tmp_str; | |
8f996b89 | 489 | |
269971dd | 490 | devc = sdi->priv; |
933defaa BV |
491 | if (!cg) { |
492 | switch (key) { | |
493 | case SR_CONF_LIMIT_FRAMES: | |
494 | devc->limit_frames = g_variant_get_uint64(data); | |
495 | break; | |
496 | case SR_CONF_TRIGGER_SLOPE: | |
497 | tmp_str = g_variant_get_string(data, NULL); | |
498 | if (!tmp_str || !(tmp_str[0] == 'f' || tmp_str[0] == 'r')) | |
499 | return SR_ERR_ARG; | |
500 | devc->triggerslope = (tmp_str[0] == 'r') | |
501 | ? SLOPE_POSITIVE : SLOPE_NEGATIVE; | |
502 | break; | |
503 | case SR_CONF_HORIZ_TRIGGERPOS: | |
504 | tmp_double = g_variant_get_double(data); | |
505 | if (tmp_double < 0.0 || tmp_double > 1.0) { | |
506 | sr_err("Trigger position should be between 0.0 and 1.0."); | |
a9010323 | 507 | return SR_ERR_ARG; |
933defaa BV |
508 | } else |
509 | devc->triggerposition = tmp_double; | |
510 | break; | |
511 | case SR_CONF_BUFFERSIZE: | |
512 | tmp_u64 = g_variant_get_uint64(data); | |
07ffa5b3 | 513 | for (i = 0; i < NUM_BUFFER_SIZES; i++) { |
933defaa BV |
514 | if (devc->profile->buffersizes[i] == tmp_u64) { |
515 | devc->framesize = tmp_u64; | |
516 | break; | |
517 | } | |
a370ef19 | 518 | } |
07ffa5b3 | 519 | if (i == NUM_BUFFER_SIZES) |
a9010323 | 520 | return SR_ERR_ARG; |
933defaa BV |
521 | break; |
522 | case SR_CONF_TIMEBASE: | |
523 | g_variant_get(data, "(tt)", &p, &q); | |
524 | tmp_int = -1; | |
525 | for (i = 0; i < ARRAY_SIZE(timebases); i++) { | |
526 | if (timebases[i][0] == p && timebases[i][1] == q) { | |
527 | tmp_int = i; | |
528 | break; | |
529 | } | |
a370ef19 | 530 | } |
933defaa BV |
531 | if (tmp_int >= 0) |
532 | devc->timebase = tmp_int; | |
533 | else | |
a9010323 | 534 | return SR_ERR_ARG; |
933defaa BV |
535 | break; |
536 | case SR_CONF_TRIGGER_SOURCE: | |
537 | tmp_str = g_variant_get_string(data, NULL); | |
538 | for (i = 0; trigger_sources[i]; i++) { | |
539 | if (!strcmp(tmp_str, trigger_sources[i])) { | |
540 | devc->triggersource = g_strdup(tmp_str); | |
541 | break; | |
542 | } | |
ebb781a6 | 543 | } |
933defaa | 544 | if (trigger_sources[i] == 0) |
a9010323 | 545 | return SR_ERR_ARG; |
933defaa BV |
546 | break; |
547 | default: | |
a9010323 | 548 | return SR_ERR_NA; |
ebb781a6 | 549 | } |
933defaa BV |
550 | } else { |
551 | if (sdi->channel_groups->data == cg) | |
552 | ch_idx = 0; | |
553 | else if (sdi->channel_groups->next->data == cg) | |
554 | ch_idx = 1; | |
555 | else | |
556 | return SR_ERR_ARG; | |
557 | switch (key) { | |
558 | case SR_CONF_FILTER: | |
559 | devc->filter[ch_idx] = g_variant_get_boolean(data); | |
560 | break; | |
561 | case SR_CONF_VDIV: | |
562 | g_variant_get(data, "(tt)", &p, &q); | |
563 | tmp_int = -1; | |
564 | for (i = 0; i < ARRAY_SIZE(vdivs); i++) { | |
565 | if (vdivs[i][0] == p && vdivs[i][1] == q) { | |
566 | tmp_int = i; | |
567 | break; | |
568 | } | |
313deed2 | 569 | } |
933defaa BV |
570 | if (tmp_int >= 0) { |
571 | devc->voltage[ch_idx] = tmp_int; | |
572 | } else | |
a9010323 | 573 | return SR_ERR_ARG; |
933defaa BV |
574 | break; |
575 | case SR_CONF_COUPLING: | |
576 | tmp_str = g_variant_get_string(data, NULL); | |
577 | for (i = 0; coupling[i]; i++) { | |
578 | if (!strcmp(tmp_str, coupling[i])) { | |
579 | devc->coupling[ch_idx] = i; | |
580 | break; | |
581 | } | |
b58fbd99 | 582 | } |
933defaa | 583 | if (coupling[i] == 0) |
a9010323 | 584 | return SR_ERR_ARG; |
933defaa BV |
585 | break; |
586 | default: | |
a9010323 | 587 | return SR_ERR_NA; |
b58fbd99 | 588 | } |
3b533202 BV |
589 | } |
590 | ||
a9010323 | 591 | return SR_OK; |
3b533202 BV |
592 | } |
593 | ||
584560f1 | 594 | static int config_list(uint32_t key, GVariant **data, const struct sr_dev_inst *sdi, |
53b4680f | 595 | const struct sr_channel_group *cg) |
a1c743fc | 596 | { |
034accb5 | 597 | struct dev_context *devc; |
a1c743fc | 598 | |
933defaa | 599 | if (!cg) { |
93b118da | 600 | switch (key) { |
e66d1892 | 601 | case SR_CONF_SCAN_OPTIONS: |
933defaa | 602 | case SR_CONF_DEVICE_OPTIONS: |
e66d1892 | 603 | return STD_CONFIG_LIST(key, data, sdi, cg, scanopts, drvopts, devopts); |
933defaa BV |
604 | case SR_CONF_BUFFERSIZE: |
605 | if (!sdi) | |
606 | return SR_ERR_ARG; | |
607 | devc = sdi->priv; | |
105df674 | 608 | *data = std_gvar_array_u64(devc->profile->buffersizes, NUM_BUFFER_SIZES); |
933defaa BV |
609 | break; |
610 | case SR_CONF_TIMEBASE: | |
db944f16 | 611 | *data = std_gvar_tuple_array(&timebases, ARRAY_SIZE(timebases)); |
933defaa BV |
612 | break; |
613 | case SR_CONF_TRIGGER_SOURCE: | |
614 | *data = g_variant_new_strv(trigger_sources, | |
615 | ARRAY_SIZE(trigger_sources)); | |
616 | break; | |
617 | case SR_CONF_TRIGGER_SLOPE: | |
618 | *data = g_variant_new_strv(trigger_slopes, | |
619 | ARRAY_SIZE(trigger_slopes)); | |
620 | break; | |
621 | default: | |
622 | return SR_ERR_NA; | |
3973ee26 | 623 | } |
933defaa | 624 | } else { |
93b118da | 625 | switch (key) { |
933defaa | 626 | case SR_CONF_DEVICE_OPTIONS: |
105df674 | 627 | *data = std_gvar_array_u32(devopts_cg, ARRAY_SIZE(devopts_cg)); |
933defaa BV |
628 | break; |
629 | case SR_CONF_COUPLING: | |
630 | *data = g_variant_new_strv(coupling, ARRAY_SIZE(coupling)); | |
631 | break; | |
632 | case SR_CONF_VDIV: | |
db944f16 | 633 | *data = std_gvar_tuple_array(&vdivs, ARRAY_SIZE(vdivs)); |
933defaa BV |
634 | break; |
635 | default: | |
636 | return SR_ERR_NA; | |
3973ee26 | 637 | } |
a1c743fc BV |
638 | } |
639 | ||
640 | return SR_OK; | |
641 | } | |
642 | ||
69e19dd7 | 643 | static void send_chunk(struct sr_dev_inst *sdi, unsigned char *buf, |
e749a8cb | 644 | int num_samples) |
3b533202 BV |
645 | { |
646 | struct sr_datafeed_packet packet; | |
ae7d8a58 UH |
647 | struct sr_datafeed_analog analog; |
648 | struct sr_analog_encoding encoding; | |
649 | struct sr_analog_meaning meaning; | |
650 | struct sr_analog_spec spec; | |
417412c8 AJ |
651 | struct dev_context *devc = sdi->priv; |
652 | GSList *channels = devc->enabled_channels; | |
3b533202 | 653 | |
ae7d8a58 | 654 | packet.type = SR_DF_ANALOG; |
3b533202 | 655 | packet.payload = &analog; |
6e71ef3b | 656 | /* TODO: support for 5xxx series 9-bit samples */ |
ae7d8a58 | 657 | sr_analog_init(&analog, &encoding, &meaning, &spec, 0); |
e749a8cb | 658 | analog.num_samples = num_samples; |
ae7d8a58 UH |
659 | analog.meaning->mq = SR_MQ_VOLTAGE; |
660 | analog.meaning->unit = SR_UNIT_VOLT; | |
661 | analog.meaning->mqflags = 0; | |
886a52b6 | 662 | /* TODO: Check malloc return value. */ |
417412c8 AJ |
663 | analog.data = g_try_malloc(num_samples * sizeof(float)); |
664 | ||
665 | for (int ch = 0; ch < 2; ch++) { | |
666 | if (!devc->ch_enabled[ch]) | |
667 | continue; | |
668 | ||
669 | float range = ((float)vdivs[devc->voltage[ch]][0] / vdivs[devc->voltage[ch]][1]) * 8; | |
670 | float vdivlog = log10f(range / 255); | |
671 | int digits = -(int)vdivlog + (vdivlog < 0.0); | |
672 | analog.encoding->digits = digits; | |
673 | analog.spec->spec_digits = digits; | |
674 | analog.meaning->channels = g_slist_append(NULL, channels->data); | |
675 | ||
676 | for (int i = 0; i < num_samples; i++) { | |
677 | /* | |
678 | * The device always sends data for both channels. If a channel | |
679 | * is disabled, it contains a copy of the enabled channel's | |
680 | * data. However, we only send the requested channels to | |
681 | * the bus. | |
682 | * | |
683 | * Voltage values are encoded as a value 0-255 (0-512 on the | |
684 | * DSO-5200*), where the value is a point in the range | |
685 | * represented by the vdiv setting. There are 8 vertical divs, | |
686 | * so e.g. 500mV/div represents 4V peak-to-peak where 0 = -2V | |
687 | * and 255 = +2V. | |
688 | */ | |
689 | /* TODO: Support for DSO-5xxx series 9-bit samples. */ | |
690 | ((float *)analog.data)[i] = range / 255 * *(buf + i * 2 + 1 - ch) - range / 2; | |
6e71ef3b | 691 | } |
417412c8 AJ |
692 | sr_session_send(sdi, &packet); |
693 | g_slist_free(analog.meaning->channels); | |
694 | ||
695 | channels = channels->next; | |
3b533202 | 696 | } |
1e6b5b93 | 697 | g_free(analog.data); |
e749a8cb BV |
698 | } |
699 | ||
e98b7f1b UH |
700 | /* |
701 | * Called by libusb (as triggered by handle_event()) when a transfer comes in. | |
e749a8cb | 702 | * Only channel data comes in asynchronously, and all transfers for this are |
e98b7f1b | 703 | * queued up beforehand, so this just needs to chuck the incoming data onto |
e749a8cb BV |
704 | * the libsigrok session bus. |
705 | */ | |
55462b8b | 706 | static void LIBUSB_CALL receive_transfer(struct libusb_transfer *transfer) |
e749a8cb BV |
707 | { |
708 | struct sr_datafeed_packet packet; | |
69e19dd7 | 709 | struct sr_dev_inst *sdi; |
269971dd | 710 | struct dev_context *devc; |
e749a8cb BV |
711 | int num_samples, pre; |
712 | ||
69e19dd7 BV |
713 | sdi = transfer->user_data; |
714 | devc = sdi->priv; | |
eb8e6cd2 UH |
715 | sr_spew("receive_transfer(): status %s received %d bytes.", |
716 | libusb_error_name(transfer->status), transfer->actual_length); | |
e749a8cb BV |
717 | |
718 | if (transfer->actual_length == 0) | |
719 | /* Nothing to send to the bus. */ | |
720 | return; | |
721 | ||
722 | num_samples = transfer->actual_length / 2; | |
723 | ||
d4007311 | 724 | sr_spew("Got %d-%d/%d samples in frame.", devc->samp_received + 1, |
d9251a2c | 725 | devc->samp_received + num_samples, devc->framesize); |
e749a8cb | 726 | |
e98b7f1b UH |
727 | /* |
728 | * The device always sends a full frame, but the beginning of the frame | |
e749a8cb BV |
729 | * doesn't represent the trigger point. The offset at which the trigger |
730 | * happened came in with the capture state, so we need to start sending | |
e98b7f1b UH |
731 | * from there up the session bus. The samples in the frame buffer |
732 | * before that trigger point came after the end of the device's frame | |
733 | * buffer was reached, and it wrapped around to overwrite up until the | |
734 | * trigger point. | |
e749a8cb | 735 | */ |
269971dd | 736 | if (devc->samp_received < devc->trigger_offset) { |
e749a8cb | 737 | /* Trigger point not yet reached. */ |
269971dd | 738 | if (devc->samp_received + num_samples < devc->trigger_offset) { |
e749a8cb | 739 | /* The entire chunk is before the trigger point. */ |
269971dd | 740 | memcpy(devc->framebuf + devc->samp_buffered * 2, |
e749a8cb | 741 | transfer->buffer, num_samples * 2); |
269971dd | 742 | devc->samp_buffered += num_samples; |
e749a8cb | 743 | } else { |
e98b7f1b UH |
744 | /* |
745 | * This chunk hits or overruns the trigger point. | |
e749a8cb | 746 | * Store the part before the trigger fired, and |
e98b7f1b UH |
747 | * send the rest up to the session bus. |
748 | */ | |
269971dd BV |
749 | pre = devc->trigger_offset - devc->samp_received; |
750 | memcpy(devc->framebuf + devc->samp_buffered * 2, | |
e749a8cb | 751 | transfer->buffer, pre * 2); |
269971dd | 752 | devc->samp_buffered += pre; |
e749a8cb BV |
753 | |
754 | /* The rest of this chunk starts with the trigger point. */ | |
e98b7f1b | 755 | sr_dbg("Reached trigger point, %d samples buffered.", |
d9251a2c | 756 | devc->samp_buffered); |
e749a8cb BV |
757 | |
758 | /* Avoid the corner case where the chunk ended at | |
759 | * exactly the trigger point. */ | |
760 | if (num_samples > pre) | |
69e19dd7 | 761 | send_chunk(sdi, transfer->buffer + pre * 2, |
e749a8cb BV |
762 | num_samples - pre); |
763 | } | |
764 | } else { | |
765 | /* Already past the trigger point, just send it all out. */ | |
a95f142e | 766 | send_chunk(sdi, transfer->buffer, num_samples); |
e749a8cb BV |
767 | } |
768 | ||
269971dd | 769 | devc->samp_received += num_samples; |
e749a8cb BV |
770 | |
771 | /* Everything in this transfer was either copied to the buffer or | |
772 | * sent to the session bus. */ | |
3b533202 BV |
773 | g_free(transfer->buffer); |
774 | libusb_free_transfer(transfer); | |
3b533202 | 775 | |
269971dd | 776 | if (devc->samp_received >= devc->framesize) { |
e749a8cb BV |
777 | /* That was the last chunk in this frame. Send the buffered |
778 | * pre-trigger samples out now, in one big chunk. */ | |
e98b7f1b | 779 | sr_dbg("End of frame, sending %d pre-trigger buffered samples.", |
d9251a2c | 780 | devc->samp_buffered); |
69e19dd7 | 781 | send_chunk(sdi, devc->framebuf, devc->samp_buffered); |
e749a8cb BV |
782 | |
783 | /* Mark the end of this frame. */ | |
ae88b97b | 784 | packet.type = SR_DF_FRAME_END; |
695dc859 | 785 | sr_session_send(sdi, &packet); |
ae88b97b | 786 | |
269971dd | 787 | if (devc->limit_frames && ++devc->num_frames == devc->limit_frames) { |
ae88b97b | 788 | /* Terminate session */ |
a3508e33 | 789 | devc->dev_state = STOPPING; |
ae88b97b | 790 | } else { |
269971dd | 791 | devc->dev_state = NEW_CAPTURE; |
ae88b97b BV |
792 | } |
793 | } | |
3b533202 BV |
794 | } |
795 | ||
796 | static int handle_event(int fd, int revents, void *cb_data) | |
797 | { | |
a3508e33 | 798 | const struct sr_dev_inst *sdi; |
ae88b97b | 799 | struct sr_datafeed_packet packet; |
3b533202 | 800 | struct timeval tv; |
4f840ce9 | 801 | struct sr_dev_driver *di; |
269971dd | 802 | struct dev_context *devc; |
4f840ce9 | 803 | struct drv_context *drvc; |
ba7dd8bb | 804 | int num_channels; |
6e6eeff4 BV |
805 | uint32_t trigger_offset; |
806 | uint8_t capturestate; | |
3b533202 | 807 | |
3b533202 BV |
808 | (void)fd; |
809 | (void)revents; | |
810 | ||
269971dd | 811 | sdi = cb_data; |
4f840ce9 | 812 | di = sdi->driver; |
41812aca | 813 | drvc = di->context; |
269971dd | 814 | devc = sdi->priv; |
a3508e33 BV |
815 | if (devc->dev_state == STOPPING) { |
816 | /* We've been told to wind up the acquisition. */ | |
e98b7f1b UH |
817 | sr_dbg("Stopping acquisition."); |
818 | /* | |
819 | * TODO: Doesn't really cancel pending transfers so they might | |
820 | * come in after SR_DF_END is sent. | |
821 | */ | |
102f1239 | 822 | usb_source_remove(sdi->session, drvc->sr_ctx); |
a3508e33 | 823 | |
bee2b016 | 824 | std_session_send_df_end(sdi); |
a3508e33 BV |
825 | |
826 | devc->dev_state = IDLE; | |
827 | ||
828 | return TRUE; | |
829 | } | |
830 | ||
3b533202 BV |
831 | /* Always handle pending libusb events. */ |
832 | tv.tv_sec = tv.tv_usec = 0; | |
d4abb463 | 833 | libusb_handle_events_timeout(drvc->sr_ctx->libusb_ctx, &tv); |
3b533202 | 834 | |
3b533202 | 835 | /* TODO: ugh */ |
269971dd | 836 | if (devc->dev_state == NEW_CAPTURE) { |
c118080b | 837 | if (dso_capture_start(sdi) != SR_OK) |
3b533202 | 838 | return TRUE; |
c118080b | 839 | if (dso_enable_trigger(sdi) != SR_OK) |
3b533202 | 840 | return TRUE; |
c118080b | 841 | // if (dso_force_trigger(sdi) != SR_OK) |
a370ef19 | 842 | // return TRUE; |
e98b7f1b | 843 | sr_dbg("Successfully requested next chunk."); |
269971dd | 844 | devc->dev_state = CAPTURE; |
3b533202 BV |
845 | return TRUE; |
846 | } | |
269971dd | 847 | if (devc->dev_state != CAPTURE) |
3b533202 BV |
848 | return TRUE; |
849 | ||
c118080b | 850 | if ((dso_get_capturestate(sdi, &capturestate, &trigger_offset)) != SR_OK) |
3b533202 | 851 | return TRUE; |
3b533202 | 852 | |
e98b7f1b UH |
853 | sr_dbg("Capturestate %d.", capturestate); |
854 | sr_dbg("Trigger offset 0x%.6x.", trigger_offset); | |
3b533202 BV |
855 | switch (capturestate) { |
856 | case CAPTURE_EMPTY: | |
269971dd BV |
857 | if (++devc->capture_empty_count >= MAX_CAPTURE_EMPTY) { |
858 | devc->capture_empty_count = 0; | |
c118080b | 859 | if (dso_capture_start(sdi) != SR_OK) |
3b533202 | 860 | break; |
c118080b | 861 | if (dso_enable_trigger(sdi) != SR_OK) |
3b533202 | 862 | break; |
c118080b | 863 | // if (dso_force_trigger(sdi) != SR_OK) |
a370ef19 | 864 | // break; |
e98b7f1b | 865 | sr_dbg("Successfully requested next chunk."); |
3b533202 BV |
866 | } |
867 | break; | |
868 | case CAPTURE_FILLING: | |
e98b7f1b | 869 | /* No data yet. */ |
3b533202 BV |
870 | break; |
871 | case CAPTURE_READY_8BIT: | |
e749a8cb | 872 | /* Remember where in the captured frame the trigger is. */ |
269971dd | 873 | devc->trigger_offset = trigger_offset; |
e749a8cb | 874 | |
417412c8 | 875 | num_channels = (devc->ch_enabled[0] && devc->ch_enabled[1]) ? 2 : 1; |
a95f142e | 876 | devc->framebuf = g_malloc(devc->framesize * num_channels * 2); |
269971dd | 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 | ||
695dc859 | 908 | static int dev_acquisition_start(const struct sr_dev_inst *sdi) |
3b533202 | 909 | { |
269971dd | 910 | struct dev_context *devc; |
4f840ce9 | 911 | struct sr_dev_driver *di = sdi->driver; |
41812aca | 912 | struct drv_context *drvc = di->context; |
3b533202 | 913 | |
269971dd | 914 | devc = sdi->priv; |
3b533202 | 915 | |
ba7dd8bb UH |
916 | if (configure_channels(sdi) != SR_OK) { |
917 | sr_err("Failed to configure channels."); | |
014359e3 BV |
918 | return SR_ERR; |
919 | } | |
920 | ||
c118080b | 921 | if (dso_init(sdi) != SR_OK) |
3b533202 BV |
922 | return SR_ERR; |
923 | ||
c118080b | 924 | if (dso_capture_start(sdi) != SR_OK) |
3b533202 BV |
925 | return SR_ERR; |
926 | ||
269971dd | 927 | devc->dev_state = CAPTURE; |
102f1239 | 928 | usb_source_add(sdi->session, drvc->sr_ctx, TICK, handle_event, (void *)sdi); |
3b533202 | 929 | |
bee2b016 | 930 | std_session_send_df_header(sdi); |
3b533202 | 931 | |
3b533202 BV |
932 | return SR_OK; |
933 | } | |
934 | ||
695dc859 | 935 | static int dev_acquisition_stop(struct sr_dev_inst *sdi) |
3b533202 | 936 | { |
269971dd BV |
937 | struct dev_context *devc; |
938 | ||
a3508e33 BV |
939 | devc = sdi->priv; |
940 | devc->dev_state = STOPPING; | |
3b533202 BV |
941 | |
942 | return SR_OK; | |
943 | } | |
944 | ||
dd5c48a6 | 945 | static struct sr_dev_driver hantek_dso_driver_info = { |
3b533202 BV |
946 | .name = "hantek-dso", |
947 | .longname = "Hantek DSO", | |
948 | .api_version = 1, | |
c2fdcc25 | 949 | .init = std_init, |
700d6b64 | 950 | .cleanup = std_cleanup, |
6078d2c9 | 951 | .scan = scan, |
c01bf34c | 952 | .dev_list = std_dev_list, |
3b412e3a | 953 | .dev_clear = dev_clear, |
79917848 | 954 | .config_get = config_get, |
035a1078 | 955 | .config_set = config_set, |
a1c743fc | 956 | .config_list = config_list, |
6078d2c9 UH |
957 | .dev_open = dev_open, |
958 | .dev_close = dev_close, | |
959 | .dev_acquisition_start = dev_acquisition_start, | |
960 | .dev_acquisition_stop = dev_acquisition_stop, | |
41812aca | 961 | .context = NULL, |
3b533202 | 962 | }; |
dd5c48a6 | 963 | SR_REGISTER_DEV_DRIVER(hantek_dso_driver_info); |