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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[] = { |
f8195cb2 | 147 | "CH1", "CH2", "EXT", |
88a13f30 | 148 | /* TODO: forced */ |
a370ef19 | 149 | }; |
3b533202 | 150 | |
933defaa | 151 | static const char *trigger_slopes[] = { |
f8195cb2 | 152 | "r", "f", |
ebb781a6 BV |
153 | }; |
154 | ||
62bb8840 | 155 | static const char *coupling[] = { |
f8195cb2 | 156 | "AC", "DC", "GND", |
b58fbd99 BV |
157 | }; |
158 | ||
15a5bfe4 | 159 | static struct sr_dev_inst *dso_dev_new(const struct dso_profile *prof) |
3b533202 BV |
160 | { |
161 | struct sr_dev_inst *sdi; | |
ba7dd8bb | 162 | struct sr_channel *ch; |
933defaa | 163 | struct sr_channel_group *cg; |
269971dd | 164 | struct dev_context *devc; |
dcd438ee | 165 | unsigned int i; |
3b533202 | 166 | |
aac29cc1 | 167 | sdi = g_malloc0(sizeof(struct sr_dev_inst)); |
0af636be UH |
168 | sdi->status = SR_ST_INITIALIZING; |
169 | sdi->vendor = g_strdup(prof->vendor); | |
170 | sdi->model = g_strdup(prof->model); | |
3b533202 | 171 | |
e98b7f1b | 172 | /* |
ba7dd8bb | 173 | * Add only the real channels -- EXT isn't a source of data, only |
87ca93c5 BV |
174 | * a trigger source internal to the device. |
175 | */ | |
0f34cb47 | 176 | for (i = 0; i < ARRAY_SIZE(channel_names); i++) { |
5e23fcab | 177 | ch = sr_channel_new(sdi, i, SR_CHANNEL_ANALOG, TRUE, channel_names[i]); |
933defaa BV |
178 | cg = g_malloc0(sizeof(struct sr_channel_group)); |
179 | cg->name = g_strdup(channel_names[i]); | |
180 | cg->channels = g_slist_append(cg->channels, ch); | |
181 | sdi->channel_groups = g_slist_append(sdi->channel_groups, cg); | |
87ca93c5 BV |
182 | } |
183 | ||
933defaa | 184 | devc = g_malloc0(sizeof(struct dev_context)); |
269971dd BV |
185 | devc->profile = prof; |
186 | devc->dev_state = IDLE; | |
187 | devc->timebase = DEFAULT_TIMEBASE; | |
417412c8 AJ |
188 | devc->ch_enabled[0] = TRUE; |
189 | devc->ch_enabled[1] = TRUE; | |
933defaa BV |
190 | devc->voltage[0] = DEFAULT_VOLTAGE; |
191 | devc->voltage[1] = DEFAULT_VOLTAGE; | |
192 | devc->coupling[0] = DEFAULT_COUPLING; | |
193 | devc->coupling[1] = DEFAULT_COUPLING; | |
269971dd BV |
194 | devc->voffset_ch1 = DEFAULT_VERT_OFFSET; |
195 | devc->voffset_ch2 = DEFAULT_VERT_OFFSET; | |
196 | devc->voffset_trigger = DEFAULT_VERT_TRIGGERPOS; | |
197 | devc->framesize = DEFAULT_FRAMESIZE; | |
198 | devc->triggerslope = SLOPE_POSITIVE; | |
199 | devc->triggersource = g_strdup(DEFAULT_TRIGGER_SOURCE); | |
200 | devc->triggerposition = DEFAULT_HORIZ_TRIGGERPOS; | |
201 | sdi->priv = devc; | |
3b533202 BV |
202 | |
203 | return sdi; | |
204 | } | |
205 | ||
ba7dd8bb | 206 | static int configure_channels(const struct sr_dev_inst *sdi) |
3b533202 | 207 | { |
014359e3 | 208 | struct dev_context *devc; |
ba7dd8bb | 209 | struct sr_channel *ch; |
62bb8840 | 210 | const GSList *l; |
69e19dd7 | 211 | int p; |
3b533202 | 212 | |
014359e3 BV |
213 | devc = sdi->priv; |
214 | ||
ba7dd8bb | 215 | g_slist_free(devc->enabled_channels); |
417412c8 | 216 | devc->ch_enabled[0] = devc->ch_enabled[1] = FALSE; |
ba7dd8bb UH |
217 | for (l = sdi->channels, p = 0; l; l = l->next, p++) { |
218 | ch = l->data; | |
69e19dd7 | 219 | if (p == 0) |
417412c8 | 220 | devc->ch_enabled[0] = ch->enabled; |
69e19dd7 | 221 | else |
417412c8 | 222 | devc->ch_enabled[1] = ch->enabled; |
ba7dd8bb UH |
223 | if (ch->enabled) |
224 | devc->enabled_channels = g_slist_append(devc->enabled_channels, ch); | |
3b533202 BV |
225 | } |
226 | ||
227 | return SR_OK; | |
228 | } | |
229 | ||
3553451f | 230 | static void clear_helper(struct dev_context *devc) |
39cfdd75 | 231 | { |
949b3dc0 | 232 | g_free(devc->triggersource); |
ba7dd8bb | 233 | g_slist_free(devc->enabled_channels); |
949b3dc0 | 234 | } |
39cfdd75 | 235 | |
4f840ce9 | 236 | static int dev_clear(const struct sr_dev_driver *di) |
949b3dc0 | 237 | { |
3553451f | 238 | return std_dev_clear_with_callback(di, (std_dev_clear_callback)clear_helper); |
39cfdd75 BV |
239 | } |
240 | ||
4f840ce9 | 241 | static GSList *scan(struct sr_dev_driver *di, GSList *options) |
3b533202 | 242 | { |
269971dd BV |
243 | struct drv_context *drvc; |
244 | struct dev_context *devc; | |
294dbac7 | 245 | struct sr_dev_inst *sdi; |
46a743c1 BV |
246 | struct sr_usb_dev_inst *usb; |
247 | struct sr_config *src; | |
294dbac7 BV |
248 | const struct dso_profile *prof; |
249 | GSList *l, *devices, *conn_devices; | |
39cfdd75 | 250 | struct libusb_device_descriptor des; |
3b533202 | 251 | libusb_device **devlist; |
2a8f2d41 | 252 | int i, j; |
46a743c1 | 253 | const char *conn; |
395206f4 | 254 | char connection_id[64]; |
e98b7f1b | 255 | |
41812aca | 256 | drvc = di->context; |
39cfdd75 | 257 | |
4b97c74e UH |
258 | devices = 0; |
259 | ||
294dbac7 BV |
260 | conn = NULL; |
261 | for (l = options; l; l = l->next) { | |
262 | src = l->data; | |
263 | if (src->key == SR_CONF_CONN) { | |
264 | conn = g_variant_get_string(src->data, NULL); | |
265 | break; | |
266 | } | |
267 | } | |
268 | if (conn) | |
269 | conn_devices = sr_usb_find(drvc->sr_ctx->libusb_ctx, conn); | |
270 | else | |
271 | conn_devices = NULL; | |
272 | ||
39cfdd75 | 273 | /* Find all Hantek DSO devices and upload firmware to all of them. */ |
d4abb463 | 274 | libusb_get_device_list(drvc->sr_ctx->libusb_ctx, &devlist); |
3b533202 | 275 | for (i = 0; devlist[i]; i++) { |
46a743c1 | 276 | if (conn) { |
294dbac7 BV |
277 | usb = NULL; |
278 | for (l = conn_devices; l; l = l->next) { | |
279 | usb = l->data; | |
280 | if (usb->bus == libusb_get_bus_number(devlist[i]) | |
281 | && usb->address == libusb_get_device_address(devlist[i])) | |
282 | break; | |
283 | } | |
284 | if (!l) | |
285 | /* This device matched none of the ones that | |
286 | * matched the conn specification. */ | |
287 | continue; | |
46a743c1 | 288 | } |
294dbac7 | 289 | |
2a8f2d41 | 290 | libusb_get_device_descriptor(devlist[i], &des); |
3b533202 | 291 | |
395206f4 SA |
292 | usb_get_port_path(devlist[i], connection_id, sizeof(connection_id)); |
293 | ||
3b533202 BV |
294 | prof = NULL; |
295 | for (j = 0; dev_profiles[j].orig_vid; j++) { | |
296 | if (des.idVendor == dev_profiles[j].orig_vid | |
297 | && des.idProduct == dev_profiles[j].orig_pid) { | |
298 | /* Device matches the pre-firmware profile. */ | |
299 | prof = &dev_profiles[j]; | |
e98b7f1b | 300 | sr_dbg("Found a %s %s.", prof->vendor, prof->model); |
15a5bfe4 | 301 | sdi = dso_dev_new(prof); |
395206f4 | 302 | sdi->connection_id = g_strdup(connection_id); |
39cfdd75 | 303 | devices = g_slist_append(devices, sdi); |
269971dd | 304 | devc = sdi->priv; |
8e2d6c9d DE |
305 | if (ezusb_upload_firmware(drvc->sr_ctx, devlist[i], |
306 | USB_CONFIGURATION, prof->firmware) == SR_OK) | |
3b533202 | 307 | /* Remember when the firmware on this device was updated */ |
269971dd | 308 | devc->fw_updated = g_get_monotonic_time(); |
3b533202 | 309 | else |
395206f4 | 310 | sr_err("Firmware upload failed"); |
3b533202 | 311 | /* Dummy USB address of 0xff will get overwritten later. */ |
c118080b | 312 | sdi->conn = sr_usb_dev_inst_new( |
3b533202 | 313 | libusb_get_bus_number(devlist[i]), 0xff, NULL); |
3b533202 BV |
314 | break; |
315 | } else if (des.idVendor == dev_profiles[j].fw_vid | |
316 | && des.idProduct == dev_profiles[j].fw_pid) { | |
317 | /* Device matches the post-firmware profile. */ | |
318 | prof = &dev_profiles[j]; | |
e98b7f1b | 319 | sr_dbg("Found a %s %s.", prof->vendor, prof->model); |
15a5bfe4 | 320 | sdi = dso_dev_new(prof); |
395206f4 | 321 | sdi->connection_id = g_strdup(connection_id); |
3b533202 | 322 | sdi->status = SR_ST_INACTIVE; |
39cfdd75 | 323 | devices = g_slist_append(devices, sdi); |
d0eec1ee | 324 | sdi->inst_type = SR_INST_USB; |
c118080b | 325 | sdi->conn = sr_usb_dev_inst_new( |
3b533202 BV |
326 | libusb_get_bus_number(devlist[i]), |
327 | libusb_get_device_address(devlist[i]), NULL); | |
3b533202 BV |
328 | break; |
329 | } | |
330 | } | |
331 | if (!prof) | |
332 | /* not a supported VID/PID */ | |
333 | continue; | |
334 | } | |
335 | libusb_free_device_list(devlist, 1); | |
336 | ||
15a5bfe4 | 337 | return std_scan_complete(di, devices); |
3b533202 BV |
338 | } |
339 | ||
6078d2c9 | 340 | static int 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 | } |
6433156c | 368 | sr_info("Device came back after %" PRIi64 " 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 | 380 | sr_err("Unable to claim interface: %s.", |
d9251a2c | 381 | libusb_error_name(err)); |
3b533202 BV |
382 | return SR_ERR; |
383 | } | |
384 | ||
385 | return SR_OK; | |
386 | } | |
387 | ||
6078d2c9 | 388 | static int dev_close(struct sr_dev_inst *sdi) |
3b533202 | 389 | { |
3b533202 BV |
390 | dso_close(sdi); |
391 | ||
392 | return SR_OK; | |
393 | } | |
394 | ||
dd7a72ea UH |
395 | static int config_get(uint32_t key, GVariant **data, |
396 | const struct sr_dev_inst *sdi, const struct sr_channel_group *cg) | |
79917848 | 397 | { |
933defaa | 398 | struct dev_context *devc; |
624f5b4c | 399 | struct sr_usb_dev_inst *usb; |
2c240774 | 400 | const char *s; |
933defaa BV |
401 | const uint64_t *vdiv; |
402 | int ch_idx; | |
79917848 | 403 | |
584560f1 | 404 | switch (key) { |
bf622e6d | 405 | case SR_CONF_NUM_HDIV: |
79917848 BV |
406 | *data = g_variant_new_int32(NUM_TIMEBASE); |
407 | break; | |
408 | case SR_CONF_NUM_VDIV: | |
409 | *data = g_variant_new_int32(NUM_VDIV); | |
410 | break; | |
933defaa BV |
411 | } |
412 | ||
413 | if (!sdi) | |
414 | return SR_ERR_ARG; | |
415 | ||
416 | devc = sdi->priv; | |
417 | if (!cg) { | |
418 | switch (key) { | |
419 | case SR_CONF_CONN: | |
420 | if (!sdi->conn) | |
421 | return SR_ERR_ARG; | |
422 | usb = sdi->conn; | |
423 | if (usb->address == 255) | |
424 | /* Device still needs to re-enumerate after firmware | |
425 | * upload, so we don't know its (future) address. */ | |
426 | return SR_ERR; | |
95c1fe62 | 427 | *data = g_variant_new_printf("%d.%d", usb->bus, usb->address); |
933defaa BV |
428 | break; |
429 | case SR_CONF_TIMEBASE: | |
430 | *data = g_variant_new("(tt)", timebases[devc->timebase][0], | |
431 | timebases[devc->timebase][1]); | |
432 | break; | |
433 | case SR_CONF_BUFFERSIZE: | |
434 | *data = g_variant_new_uint64(devc->framesize); | |
435 | break; | |
436 | case SR_CONF_TRIGGER_SOURCE: | |
437 | *data = g_variant_new_string(devc->triggersource); | |
438 | break; | |
439 | case SR_CONF_TRIGGER_SLOPE: | |
c442ffda | 440 | s = (devc->triggerslope == SLOPE_POSITIVE) ? "r" : "f"; |
933defaa BV |
441 | *data = g_variant_new_string(s); |
442 | break; | |
443 | case SR_CONF_HORIZ_TRIGGERPOS: | |
444 | *data = g_variant_new_double(devc->triggerposition); | |
445 | break; | |
446 | default: | |
447 | return SR_ERR_NA; | |
448 | } | |
449 | } else { | |
450 | if (sdi->channel_groups->data == cg) | |
451 | ch_idx = 0; | |
452 | else if (sdi->channel_groups->next->data == cg) | |
453 | ch_idx = 1; | |
454 | else | |
455 | return SR_ERR_ARG; | |
0c5f2abc | 456 | switch (key) { |
933defaa BV |
457 | case SR_CONF_FILTER: |
458 | *data = g_variant_new_boolean(devc->filter[ch_idx]); | |
459 | break; | |
460 | case SR_CONF_VDIV: | |
461 | vdiv = vdivs[devc->voltage[ch_idx]]; | |
462 | *data = g_variant_new("(tt)", vdiv[0], vdiv[1]); | |
463 | break; | |
464 | case SR_CONF_COUPLING: | |
465 | *data = g_variant_new_string(coupling[devc->coupling[ch_idx]]); | |
466 | break; | |
467 | } | |
79917848 BV |
468 | } |
469 | ||
470 | return SR_OK; | |
471 | } | |
472 | ||
dd7a72ea UH |
473 | static int config_set(uint32_t key, GVariant *data, |
474 | const struct sr_dev_inst *sdi, const struct sr_channel_group *cg) | |
3b533202 | 475 | { |
269971dd | 476 | struct dev_context *devc; |
f627afd6 | 477 | double tmp_double; |
86bb3f4a | 478 | uint64_t tmp_u64, p, q; |
a9010323 | 479 | int tmp_int, ch_idx; |
f627afd6 BV |
480 | unsigned int i; |
481 | const char *tmp_str; | |
8f996b89 | 482 | |
269971dd | 483 | devc = sdi->priv; |
933defaa BV |
484 | if (!cg) { |
485 | switch (key) { | |
486 | case SR_CONF_LIMIT_FRAMES: | |
487 | devc->limit_frames = g_variant_get_uint64(data); | |
488 | break; | |
489 | case SR_CONF_TRIGGER_SLOPE: | |
490 | tmp_str = g_variant_get_string(data, NULL); | |
491 | if (!tmp_str || !(tmp_str[0] == 'f' || tmp_str[0] == 'r')) | |
492 | return SR_ERR_ARG; | |
493 | devc->triggerslope = (tmp_str[0] == 'r') | |
494 | ? SLOPE_POSITIVE : SLOPE_NEGATIVE; | |
495 | break; | |
496 | case SR_CONF_HORIZ_TRIGGERPOS: | |
497 | tmp_double = g_variant_get_double(data); | |
498 | if (tmp_double < 0.0 || tmp_double > 1.0) { | |
499 | sr_err("Trigger position should be between 0.0 and 1.0."); | |
a9010323 | 500 | return SR_ERR_ARG; |
933defaa BV |
501 | } else |
502 | devc->triggerposition = tmp_double; | |
503 | break; | |
504 | case SR_CONF_BUFFERSIZE: | |
505 | tmp_u64 = g_variant_get_uint64(data); | |
07ffa5b3 | 506 | for (i = 0; i < NUM_BUFFER_SIZES; i++) { |
933defaa BV |
507 | if (devc->profile->buffersizes[i] == tmp_u64) { |
508 | devc->framesize = tmp_u64; | |
509 | break; | |
510 | } | |
a370ef19 | 511 | } |
07ffa5b3 | 512 | if (i == NUM_BUFFER_SIZES) |
a9010323 | 513 | return SR_ERR_ARG; |
933defaa BV |
514 | break; |
515 | case SR_CONF_TIMEBASE: | |
516 | g_variant_get(data, "(tt)", &p, &q); | |
517 | tmp_int = -1; | |
518 | for (i = 0; i < ARRAY_SIZE(timebases); i++) { | |
519 | if (timebases[i][0] == p && timebases[i][1] == q) { | |
520 | tmp_int = i; | |
521 | break; | |
522 | } | |
a370ef19 | 523 | } |
933defaa BV |
524 | if (tmp_int >= 0) |
525 | devc->timebase = tmp_int; | |
526 | else | |
a9010323 | 527 | return SR_ERR_ARG; |
933defaa BV |
528 | break; |
529 | case SR_CONF_TRIGGER_SOURCE: | |
530 | tmp_str = g_variant_get_string(data, NULL); | |
531 | for (i = 0; trigger_sources[i]; i++) { | |
532 | if (!strcmp(tmp_str, trigger_sources[i])) { | |
533 | devc->triggersource = g_strdup(tmp_str); | |
534 | break; | |
535 | } | |
ebb781a6 | 536 | } |
933defaa | 537 | if (trigger_sources[i] == 0) |
a9010323 | 538 | return SR_ERR_ARG; |
933defaa BV |
539 | break; |
540 | default: | |
a9010323 | 541 | return SR_ERR_NA; |
ebb781a6 | 542 | } |
933defaa BV |
543 | } else { |
544 | if (sdi->channel_groups->data == cg) | |
545 | ch_idx = 0; | |
546 | else if (sdi->channel_groups->next->data == cg) | |
547 | ch_idx = 1; | |
548 | else | |
549 | return SR_ERR_ARG; | |
550 | switch (key) { | |
551 | case SR_CONF_FILTER: | |
552 | devc->filter[ch_idx] = g_variant_get_boolean(data); | |
553 | break; | |
554 | case SR_CONF_VDIV: | |
555 | g_variant_get(data, "(tt)", &p, &q); | |
556 | tmp_int = -1; | |
557 | for (i = 0; i < ARRAY_SIZE(vdivs); i++) { | |
558 | if (vdivs[i][0] == p && vdivs[i][1] == q) { | |
559 | tmp_int = i; | |
560 | break; | |
561 | } | |
313deed2 | 562 | } |
933defaa BV |
563 | if (tmp_int >= 0) { |
564 | devc->voltage[ch_idx] = tmp_int; | |
565 | } else | |
a9010323 | 566 | return SR_ERR_ARG; |
933defaa BV |
567 | break; |
568 | case SR_CONF_COUPLING: | |
569 | tmp_str = g_variant_get_string(data, NULL); | |
570 | for (i = 0; coupling[i]; i++) { | |
571 | if (!strcmp(tmp_str, coupling[i])) { | |
572 | devc->coupling[ch_idx] = i; | |
573 | break; | |
574 | } | |
b58fbd99 | 575 | } |
933defaa | 576 | if (coupling[i] == 0) |
a9010323 | 577 | return SR_ERR_ARG; |
933defaa BV |
578 | break; |
579 | default: | |
a9010323 | 580 | return SR_ERR_NA; |
b58fbd99 | 581 | } |
3b533202 BV |
582 | } |
583 | ||
a9010323 | 584 | return SR_OK; |
3b533202 BV |
585 | } |
586 | ||
dd7a72ea UH |
587 | static int config_list(uint32_t key, GVariant **data, |
588 | const struct sr_dev_inst *sdi, const struct sr_channel_group *cg) | |
a1c743fc | 589 | { |
034accb5 | 590 | struct dev_context *devc; |
a1c743fc | 591 | |
933defaa | 592 | if (!cg) { |
93b118da | 593 | switch (key) { |
e66d1892 | 594 | case SR_CONF_SCAN_OPTIONS: |
933defaa | 595 | case SR_CONF_DEVICE_OPTIONS: |
e66d1892 | 596 | return STD_CONFIG_LIST(key, data, sdi, cg, scanopts, drvopts, devopts); |
933defaa BV |
597 | case SR_CONF_BUFFERSIZE: |
598 | if (!sdi) | |
599 | return SR_ERR_ARG; | |
600 | devc = sdi->priv; | |
105df674 | 601 | *data = std_gvar_array_u64(devc->profile->buffersizes, NUM_BUFFER_SIZES); |
933defaa BV |
602 | break; |
603 | case SR_CONF_TIMEBASE: | |
58ffcf97 | 604 | *data = std_gvar_tuple_array(ARRAY_AND_SIZE(timebases)); |
933defaa BV |
605 | break; |
606 | case SR_CONF_TRIGGER_SOURCE: | |
53012da6 | 607 | *data = g_variant_new_strv(ARRAY_AND_SIZE(trigger_sources)); |
933defaa BV |
608 | break; |
609 | case SR_CONF_TRIGGER_SLOPE: | |
53012da6 | 610 | *data = g_variant_new_strv(ARRAY_AND_SIZE(trigger_slopes)); |
933defaa BV |
611 | break; |
612 | default: | |
613 | return SR_ERR_NA; | |
3973ee26 | 614 | } |
933defaa | 615 | } else { |
93b118da | 616 | switch (key) { |
933defaa | 617 | case SR_CONF_DEVICE_OPTIONS: |
53012da6 | 618 | *data = std_gvar_array_u32(ARRAY_AND_SIZE(devopts_cg)); |
933defaa BV |
619 | break; |
620 | case SR_CONF_COUPLING: | |
53012da6 | 621 | *data = g_variant_new_strv(ARRAY_AND_SIZE(coupling)); |
933defaa BV |
622 | break; |
623 | case SR_CONF_VDIV: | |
58ffcf97 | 624 | *data = std_gvar_tuple_array(ARRAY_AND_SIZE(vdivs)); |
933defaa BV |
625 | break; |
626 | default: | |
627 | return SR_ERR_NA; | |
3973ee26 | 628 | } |
a1c743fc BV |
629 | } |
630 | ||
631 | return SR_OK; | |
632 | } | |
633 | ||
69e19dd7 | 634 | static void send_chunk(struct sr_dev_inst *sdi, unsigned char *buf, |
e749a8cb | 635 | int num_samples) |
3b533202 BV |
636 | { |
637 | struct sr_datafeed_packet packet; | |
ae7d8a58 UH |
638 | struct sr_datafeed_analog analog; |
639 | struct sr_analog_encoding encoding; | |
640 | struct sr_analog_meaning meaning; | |
641 | struct sr_analog_spec spec; | |
417412c8 AJ |
642 | struct dev_context *devc = sdi->priv; |
643 | GSList *channels = devc->enabled_channels; | |
3b533202 | 644 | |
ae7d8a58 | 645 | packet.type = SR_DF_ANALOG; |
3b533202 | 646 | packet.payload = &analog; |
6e71ef3b | 647 | /* TODO: support for 5xxx series 9-bit samples */ |
ae7d8a58 | 648 | sr_analog_init(&analog, &encoding, &meaning, &spec, 0); |
e749a8cb | 649 | analog.num_samples = num_samples; |
ae7d8a58 UH |
650 | analog.meaning->mq = SR_MQ_VOLTAGE; |
651 | analog.meaning->unit = SR_UNIT_VOLT; | |
652 | analog.meaning->mqflags = 0; | |
886a52b6 | 653 | /* TODO: Check malloc return value. */ |
417412c8 AJ |
654 | analog.data = g_try_malloc(num_samples * sizeof(float)); |
655 | ||
656 | for (int ch = 0; ch < 2; ch++) { | |
657 | if (!devc->ch_enabled[ch]) | |
658 | continue; | |
659 | ||
660 | float range = ((float)vdivs[devc->voltage[ch]][0] / vdivs[devc->voltage[ch]][1]) * 8; | |
661 | float vdivlog = log10f(range / 255); | |
662 | int digits = -(int)vdivlog + (vdivlog < 0.0); | |
663 | analog.encoding->digits = digits; | |
664 | analog.spec->spec_digits = digits; | |
665 | analog.meaning->channels = g_slist_append(NULL, channels->data); | |
666 | ||
667 | for (int i = 0; i < num_samples; i++) { | |
668 | /* | |
669 | * The device always sends data for both channels. If a channel | |
670 | * is disabled, it contains a copy of the enabled channel's | |
671 | * data. However, we only send the requested channels to | |
672 | * the bus. | |
673 | * | |
674 | * Voltage values are encoded as a value 0-255 (0-512 on the | |
675 | * DSO-5200*), where the value is a point in the range | |
676 | * represented by the vdiv setting. There are 8 vertical divs, | |
677 | * so e.g. 500mV/div represents 4V peak-to-peak where 0 = -2V | |
678 | * and 255 = +2V. | |
679 | */ | |
680 | /* TODO: Support for DSO-5xxx series 9-bit samples. */ | |
681 | ((float *)analog.data)[i] = range / 255 * *(buf + i * 2 + 1 - ch) - range / 2; | |
6e71ef3b | 682 | } |
417412c8 AJ |
683 | sr_session_send(sdi, &packet); |
684 | g_slist_free(analog.meaning->channels); | |
685 | ||
686 | channels = channels->next; | |
3b533202 | 687 | } |
1e6b5b93 | 688 | g_free(analog.data); |
e749a8cb BV |
689 | } |
690 | ||
e98b7f1b UH |
691 | /* |
692 | * Called by libusb (as triggered by handle_event()) when a transfer comes in. | |
e749a8cb | 693 | * Only channel data comes in asynchronously, and all transfers for this are |
e98b7f1b | 694 | * queued up beforehand, so this just needs to chuck the incoming data onto |
e749a8cb BV |
695 | * the libsigrok session bus. |
696 | */ | |
55462b8b | 697 | static void LIBUSB_CALL receive_transfer(struct libusb_transfer *transfer) |
e749a8cb BV |
698 | { |
699 | struct sr_datafeed_packet packet; | |
69e19dd7 | 700 | struct sr_dev_inst *sdi; |
269971dd | 701 | struct dev_context *devc; |
e749a8cb BV |
702 | int num_samples, pre; |
703 | ||
69e19dd7 BV |
704 | sdi = transfer->user_data; |
705 | devc = sdi->priv; | |
eb8e6cd2 UH |
706 | sr_spew("receive_transfer(): status %s received %d bytes.", |
707 | libusb_error_name(transfer->status), transfer->actual_length); | |
e749a8cb BV |
708 | |
709 | if (transfer->actual_length == 0) | |
710 | /* Nothing to send to the bus. */ | |
711 | return; | |
712 | ||
713 | num_samples = transfer->actual_length / 2; | |
714 | ||
d4007311 | 715 | sr_spew("Got %d-%d/%d samples in frame.", devc->samp_received + 1, |
d9251a2c | 716 | devc->samp_received + num_samples, devc->framesize); |
e749a8cb | 717 | |
e98b7f1b UH |
718 | /* |
719 | * The device always sends a full frame, but the beginning of the frame | |
e749a8cb BV |
720 | * doesn't represent the trigger point. The offset at which the trigger |
721 | * happened came in with the capture state, so we need to start sending | |
e98b7f1b UH |
722 | * from there up the session bus. The samples in the frame buffer |
723 | * before that trigger point came after the end of the device's frame | |
724 | * buffer was reached, and it wrapped around to overwrite up until the | |
725 | * trigger point. | |
e749a8cb | 726 | */ |
269971dd | 727 | if (devc->samp_received < devc->trigger_offset) { |
e749a8cb | 728 | /* Trigger point not yet reached. */ |
269971dd | 729 | if (devc->samp_received + num_samples < devc->trigger_offset) { |
e749a8cb | 730 | /* The entire chunk is before the trigger point. */ |
269971dd | 731 | memcpy(devc->framebuf + devc->samp_buffered * 2, |
e749a8cb | 732 | transfer->buffer, num_samples * 2); |
269971dd | 733 | devc->samp_buffered += num_samples; |
e749a8cb | 734 | } else { |
e98b7f1b UH |
735 | /* |
736 | * This chunk hits or overruns the trigger point. | |
e749a8cb | 737 | * Store the part before the trigger fired, and |
e98b7f1b UH |
738 | * send the rest up to the session bus. |
739 | */ | |
269971dd BV |
740 | pre = devc->trigger_offset - devc->samp_received; |
741 | memcpy(devc->framebuf + devc->samp_buffered * 2, | |
e749a8cb | 742 | transfer->buffer, pre * 2); |
269971dd | 743 | devc->samp_buffered += pre; |
e749a8cb BV |
744 | |
745 | /* The rest of this chunk starts with the trigger point. */ | |
e98b7f1b | 746 | sr_dbg("Reached trigger point, %d samples buffered.", |
d9251a2c | 747 | devc->samp_buffered); |
e749a8cb BV |
748 | |
749 | /* Avoid the corner case where the chunk ended at | |
750 | * exactly the trigger point. */ | |
751 | if (num_samples > pre) | |
69e19dd7 | 752 | send_chunk(sdi, transfer->buffer + pre * 2, |
e749a8cb BV |
753 | num_samples - pre); |
754 | } | |
755 | } else { | |
756 | /* Already past the trigger point, just send it all out. */ | |
a95f142e | 757 | send_chunk(sdi, transfer->buffer, num_samples); |
e749a8cb BV |
758 | } |
759 | ||
269971dd | 760 | devc->samp_received += num_samples; |
e749a8cb BV |
761 | |
762 | /* Everything in this transfer was either copied to the buffer or | |
763 | * sent to the session bus. */ | |
3b533202 BV |
764 | g_free(transfer->buffer); |
765 | libusb_free_transfer(transfer); | |
3b533202 | 766 | |
269971dd | 767 | if (devc->samp_received >= devc->framesize) { |
e749a8cb BV |
768 | /* That was the last chunk in this frame. Send the buffered |
769 | * pre-trigger samples out now, in one big chunk. */ | |
e98b7f1b | 770 | sr_dbg("End of frame, sending %d pre-trigger buffered samples.", |
d9251a2c | 771 | devc->samp_buffered); |
69e19dd7 | 772 | send_chunk(sdi, devc->framebuf, devc->samp_buffered); |
e749a8cb BV |
773 | |
774 | /* Mark the end of this frame. */ | |
ae88b97b | 775 | packet.type = SR_DF_FRAME_END; |
695dc859 | 776 | sr_session_send(sdi, &packet); |
ae88b97b | 777 | |
269971dd | 778 | if (devc->limit_frames && ++devc->num_frames == devc->limit_frames) { |
ae88b97b | 779 | /* Terminate session */ |
a3508e33 | 780 | devc->dev_state = STOPPING; |
ae88b97b | 781 | } else { |
269971dd | 782 | devc->dev_state = NEW_CAPTURE; |
ae88b97b BV |
783 | } |
784 | } | |
3b533202 BV |
785 | } |
786 | ||
787 | static int handle_event(int fd, int revents, void *cb_data) | |
788 | { | |
a3508e33 | 789 | const struct sr_dev_inst *sdi; |
ae88b97b | 790 | struct sr_datafeed_packet packet; |
3b533202 | 791 | struct timeval tv; |
4f840ce9 | 792 | struct sr_dev_driver *di; |
269971dd | 793 | struct dev_context *devc; |
4f840ce9 | 794 | struct drv_context *drvc; |
ba7dd8bb | 795 | int num_channels; |
6e6eeff4 BV |
796 | uint32_t trigger_offset; |
797 | uint8_t capturestate; | |
3b533202 | 798 | |
3b533202 BV |
799 | (void)fd; |
800 | (void)revents; | |
801 | ||
269971dd | 802 | sdi = cb_data; |
4f840ce9 | 803 | di = sdi->driver; |
41812aca | 804 | drvc = di->context; |
269971dd | 805 | devc = sdi->priv; |
a3508e33 BV |
806 | if (devc->dev_state == STOPPING) { |
807 | /* We've been told to wind up the acquisition. */ | |
e98b7f1b UH |
808 | sr_dbg("Stopping acquisition."); |
809 | /* | |
810 | * TODO: Doesn't really cancel pending transfers so they might | |
811 | * come in after SR_DF_END is sent. | |
812 | */ | |
102f1239 | 813 | usb_source_remove(sdi->session, drvc->sr_ctx); |
a3508e33 | 814 | |
bee2b016 | 815 | std_session_send_df_end(sdi); |
a3508e33 BV |
816 | |
817 | devc->dev_state = IDLE; | |
818 | ||
819 | return TRUE; | |
820 | } | |
821 | ||
3b533202 BV |
822 | /* Always handle pending libusb events. */ |
823 | tv.tv_sec = tv.tv_usec = 0; | |
d4abb463 | 824 | libusb_handle_events_timeout(drvc->sr_ctx->libusb_ctx, &tv); |
3b533202 | 825 | |
3b533202 | 826 | /* TODO: ugh */ |
269971dd | 827 | if (devc->dev_state == NEW_CAPTURE) { |
c118080b | 828 | if (dso_capture_start(sdi) != SR_OK) |
3b533202 | 829 | return TRUE; |
c118080b | 830 | if (dso_enable_trigger(sdi) != SR_OK) |
3b533202 | 831 | return TRUE; |
c118080b | 832 | // if (dso_force_trigger(sdi) != SR_OK) |
a370ef19 | 833 | // return TRUE; |
e98b7f1b | 834 | sr_dbg("Successfully requested next chunk."); |
269971dd | 835 | devc->dev_state = CAPTURE; |
3b533202 BV |
836 | return TRUE; |
837 | } | |
269971dd | 838 | if (devc->dev_state != CAPTURE) |
3b533202 BV |
839 | return TRUE; |
840 | ||
c118080b | 841 | if ((dso_get_capturestate(sdi, &capturestate, &trigger_offset)) != SR_OK) |
3b533202 | 842 | return TRUE; |
3b533202 | 843 | |
e98b7f1b UH |
844 | sr_dbg("Capturestate %d.", capturestate); |
845 | sr_dbg("Trigger offset 0x%.6x.", trigger_offset); | |
3b533202 BV |
846 | switch (capturestate) { |
847 | case CAPTURE_EMPTY: | |
269971dd BV |
848 | if (++devc->capture_empty_count >= MAX_CAPTURE_EMPTY) { |
849 | devc->capture_empty_count = 0; | |
c118080b | 850 | if (dso_capture_start(sdi) != SR_OK) |
3b533202 | 851 | break; |
c118080b | 852 | if (dso_enable_trigger(sdi) != SR_OK) |
3b533202 | 853 | break; |
c118080b | 854 | // if (dso_force_trigger(sdi) != SR_OK) |
a370ef19 | 855 | // break; |
e98b7f1b | 856 | sr_dbg("Successfully requested next chunk."); |
3b533202 BV |
857 | } |
858 | break; | |
859 | case CAPTURE_FILLING: | |
e98b7f1b | 860 | /* No data yet. */ |
3b533202 BV |
861 | break; |
862 | case CAPTURE_READY_8BIT: | |
e749a8cb | 863 | /* Remember where in the captured frame the trigger is. */ |
269971dd | 864 | devc->trigger_offset = trigger_offset; |
e749a8cb | 865 | |
417412c8 | 866 | num_channels = (devc->ch_enabled[0] && devc->ch_enabled[1]) ? 2 : 1; |
a95f142e | 867 | devc->framebuf = g_malloc(devc->framesize * num_channels * 2); |
269971dd | 868 | devc->samp_buffered = devc->samp_received = 0; |
e749a8cb | 869 | |
3b533202 | 870 | /* Tell the scope to send us the first frame. */ |
69e19dd7 | 871 | if (dso_get_channeldata(sdi, receive_transfer) != SR_OK) |
3b533202 | 872 | break; |
ae88b97b | 873 | |
e98b7f1b UH |
874 | /* |
875 | * Don't hit the state machine again until we're done fetching | |
ae88b97b BV |
876 | * the data we just told the scope to send. |
877 | */ | |
269971dd | 878 | devc->dev_state = FETCH_DATA; |
ae88b97b BV |
879 | |
880 | /* Tell the frontend a new frame is on the way. */ | |
881 | packet.type = SR_DF_FRAME_BEGIN; | |
269971dd | 882 | sr_session_send(sdi, &packet); |
3b533202 BV |
883 | break; |
884 | case CAPTURE_READY_9BIT: | |
885 | /* TODO */ | |
e98b7f1b | 886 | sr_err("Not yet supported."); |
3b533202 BV |
887 | break; |
888 | case CAPTURE_TIMEOUT: | |
889 | /* Doesn't matter, we'll try again next time. */ | |
890 | break; | |
891 | default: | |
e98b7f1b UH |
892 | sr_dbg("Unknown capture state: %d.", capturestate); |
893 | break; | |
3b533202 BV |
894 | } |
895 | ||
896 | return TRUE; | |
897 | } | |
898 | ||
695dc859 | 899 | static int dev_acquisition_start(const struct sr_dev_inst *sdi) |
3b533202 | 900 | { |
269971dd | 901 | struct dev_context *devc; |
4f840ce9 | 902 | struct sr_dev_driver *di = sdi->driver; |
41812aca | 903 | struct drv_context *drvc = di->context; |
3b533202 | 904 | |
269971dd | 905 | devc = sdi->priv; |
3b533202 | 906 | |
ba7dd8bb UH |
907 | if (configure_channels(sdi) != SR_OK) { |
908 | sr_err("Failed to configure channels."); | |
014359e3 BV |
909 | return SR_ERR; |
910 | } | |
911 | ||
c118080b | 912 | if (dso_init(sdi) != SR_OK) |
3b533202 BV |
913 | return SR_ERR; |
914 | ||
c118080b | 915 | if (dso_capture_start(sdi) != SR_OK) |
3b533202 BV |
916 | return SR_ERR; |
917 | ||
269971dd | 918 | devc->dev_state = CAPTURE; |
102f1239 | 919 | usb_source_add(sdi->session, drvc->sr_ctx, TICK, handle_event, (void *)sdi); |
3b533202 | 920 | |
bee2b016 | 921 | std_session_send_df_header(sdi); |
3b533202 | 922 | |
3b533202 BV |
923 | return SR_OK; |
924 | } | |
925 | ||
695dc859 | 926 | static int dev_acquisition_stop(struct sr_dev_inst *sdi) |
3b533202 | 927 | { |
269971dd BV |
928 | struct dev_context *devc; |
929 | ||
a3508e33 BV |
930 | devc = sdi->priv; |
931 | devc->dev_state = STOPPING; | |
3b533202 BV |
932 | |
933 | return SR_OK; | |
934 | } | |
935 | ||
dd5c48a6 | 936 | static struct sr_dev_driver hantek_dso_driver_info = { |
3b533202 BV |
937 | .name = "hantek-dso", |
938 | .longname = "Hantek DSO", | |
939 | .api_version = 1, | |
c2fdcc25 | 940 | .init = std_init, |
700d6b64 | 941 | .cleanup = std_cleanup, |
6078d2c9 | 942 | .scan = scan, |
c01bf34c | 943 | .dev_list = std_dev_list, |
3b412e3a | 944 | .dev_clear = dev_clear, |
79917848 | 945 | .config_get = config_get, |
035a1078 | 946 | .config_set = config_set, |
a1c743fc | 947 | .config_list = config_list, |
6078d2c9 UH |
948 | .dev_open = dev_open, |
949 | .dev_close = dev_close, | |
950 | .dev_acquisition_start = dev_acquisition_start, | |
951 | .dev_acquisition_stop = dev_acquisition_stop, | |
41812aca | 952 | .context = NULL, |
3b533202 | 953 | }; |
dd5c48a6 | 954 | SR_REGISTER_DEV_DRIVER(hantek_dso_driver_info); |