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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 | 60 | SR_CONF_NUM_HDIV | SR_CONF_GET, |
95983cc3 | 61 | SR_CONF_CAPTURE_RATIO | 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, |
3b2b7031 | 65 | SR_CONF_SAMPLERATE | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST, |
5827f61b | 66 | SR_CONF_NUM_VDIV | SR_CONF_GET, |
3b533202 BV |
67 | }; |
68 | ||
933defaa | 69 | static const uint32_t devopts_cg[] = { |
933defaa BV |
70 | SR_CONF_VDIV | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST, |
71 | SR_CONF_COUPLING | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST, | |
86621306 | 72 | SR_CONF_FILTER | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST, |
933defaa BV |
73 | }; |
74 | ||
ba7dd8bb | 75 | static const char *channel_names[] = { |
78693401 | 76 | "CH1", "CH2", |
3b533202 BV |
77 | }; |
78 | ||
034accb5 | 79 | static const uint64_t buffersizes_32k[] = { |
1a46cc62 | 80 | (10 * 1024), (32 * 1024), |
034accb5 BV |
81 | }; |
82 | static const uint64_t buffersizes_512k[] = { | |
1a46cc62 | 83 | (10 * 1024), (512 * 1024), |
034accb5 BV |
84 | }; |
85 | static const uint64_t buffersizes_14k[] = { | |
1a46cc62 | 86 | (10 * 1024), (14 * 1024), |
034accb5 BV |
87 | }; |
88 | ||
62bb8840 | 89 | static const struct dso_profile dev_profiles[] = { |
88a13f30 | 90 | { 0x04b4, 0x2090, 0x04b5, 0x2090, |
3b533202 | 91 | "Hantek", "DSO-2090", |
034accb5 | 92 | buffersizes_32k, |
8e2d6c9d | 93 | "hantek-dso-2090.fw" }, |
88a13f30 BV |
94 | { 0x04b4, 0x2150, 0x04b5, 0x2150, |
95 | "Hantek", "DSO-2150", | |
034accb5 | 96 | buffersizes_32k, |
8e2d6c9d | 97 | "hantek-dso-2150.fw" }, |
88a13f30 BV |
98 | { 0x04b4, 0x2250, 0x04b5, 0x2250, |
99 | "Hantek", "DSO-2250", | |
034accb5 | 100 | buffersizes_512k, |
8e2d6c9d | 101 | "hantek-dso-2250.fw" }, |
88a13f30 BV |
102 | { 0x04b4, 0x5200, 0x04b5, 0x5200, |
103 | "Hantek", "DSO-5200", | |
034accb5 | 104 | buffersizes_14k, |
8e2d6c9d | 105 | "hantek-dso-5200.fw" }, |
88a13f30 BV |
106 | { 0x04b4, 0x520a, 0x04b5, 0x520a, |
107 | "Hantek", "DSO-5200A", | |
034accb5 | 108 | buffersizes_512k, |
8e2d6c9d | 109 | "hantek-dso-5200A.fw" }, |
1b4aedc0 | 110 | ALL_ZERO |
a370ef19 BV |
111 | }; |
112 | ||
86bb3f4a | 113 | static const uint64_t timebases[][2] = { |
a370ef19 BV |
114 | /* microseconds */ |
115 | { 10, 1000000 }, | |
116 | { 20, 1000000 }, | |
117 | { 40, 1000000 }, | |
118 | { 100, 1000000 }, | |
119 | { 200, 1000000 }, | |
120 | { 400, 1000000 }, | |
121 | /* milliseconds */ | |
122 | { 1, 1000 }, | |
123 | { 2, 1000 }, | |
124 | { 4, 1000 }, | |
125 | { 10, 1000 }, | |
126 | { 20, 1000 }, | |
127 | { 40, 1000 }, | |
128 | { 100, 1000 }, | |
129 | { 200, 1000 }, | |
130 | { 400, 1000 }, | |
a370ef19 BV |
131 | }; |
132 | ||
11e33196 PM |
133 | static const uint64_t samplerates[] = { |
134 | SR_KHZ(20), | |
135 | SR_KHZ(25), | |
136 | SR_KHZ(50), | |
137 | SR_KHZ(100), | |
138 | SR_KHZ(200), | |
139 | SR_KHZ(250), | |
140 | SR_KHZ(500), | |
141 | SR_MHZ(1), | |
142 | SR_MHZ(2), | |
143 | SR_MHZ(5), | |
144 | SR_MHZ(10), | |
145 | SR_MHZ(20), | |
146 | SR_MHZ(25), | |
147 | SR_MHZ(50), | |
148 | SR_MHZ(100), | |
149 | SR_MHZ(125), | |
150 | /* fast mode not supported yet | |
151 | SR_MHZ(200), | |
152 | SR_MHZ(250), */ | |
153 | }; | |
154 | ||
86bb3f4a | 155 | static const uint64_t vdivs[][2] = { |
313deed2 BV |
156 | /* millivolts */ |
157 | { 10, 1000 }, | |
158 | { 20, 1000 }, | |
159 | { 50, 1000 }, | |
160 | { 100, 1000 }, | |
161 | { 200, 1000 }, | |
162 | { 500, 1000 }, | |
163 | /* volts */ | |
164 | { 1, 1 }, | |
165 | { 2, 1 }, | |
166 | { 5, 1 }, | |
313deed2 BV |
167 | }; |
168 | ||
62bb8840 | 169 | static const char *trigger_sources[] = { |
f8195cb2 | 170 | "CH1", "CH2", "EXT", |
88a13f30 | 171 | /* TODO: forced */ |
a370ef19 | 172 | }; |
3b533202 | 173 | |
933defaa | 174 | static const char *trigger_slopes[] = { |
f8195cb2 | 175 | "r", "f", |
ebb781a6 BV |
176 | }; |
177 | ||
62bb8840 | 178 | static const char *coupling[] = { |
f8195cb2 | 179 | "AC", "DC", "GND", |
b58fbd99 BV |
180 | }; |
181 | ||
15a5bfe4 | 182 | static struct sr_dev_inst *dso_dev_new(const struct dso_profile *prof) |
3b533202 BV |
183 | { |
184 | struct sr_dev_inst *sdi; | |
ba7dd8bb | 185 | struct sr_channel *ch; |
933defaa | 186 | struct sr_channel_group *cg; |
269971dd | 187 | struct dev_context *devc; |
dcd438ee | 188 | unsigned int i; |
3b533202 | 189 | |
aac29cc1 | 190 | sdi = g_malloc0(sizeof(struct sr_dev_inst)); |
0af636be UH |
191 | sdi->status = SR_ST_INITIALIZING; |
192 | sdi->vendor = g_strdup(prof->vendor); | |
193 | sdi->model = g_strdup(prof->model); | |
3b533202 | 194 | |
e98b7f1b | 195 | /* |
ba7dd8bb | 196 | * Add only the real channels -- EXT isn't a source of data, only |
87ca93c5 BV |
197 | * a trigger source internal to the device. |
198 | */ | |
0f34cb47 | 199 | for (i = 0; i < ARRAY_SIZE(channel_names); i++) { |
5e23fcab | 200 | ch = sr_channel_new(sdi, i, SR_CHANNEL_ANALOG, TRUE, channel_names[i]); |
933defaa BV |
201 | cg = g_malloc0(sizeof(struct sr_channel_group)); |
202 | cg->name = g_strdup(channel_names[i]); | |
203 | cg->channels = g_slist_append(cg->channels, ch); | |
204 | sdi->channel_groups = g_slist_append(sdi->channel_groups, cg); | |
87ca93c5 BV |
205 | } |
206 | ||
933defaa | 207 | devc = g_malloc0(sizeof(struct dev_context)); |
269971dd BV |
208 | devc->profile = prof; |
209 | devc->dev_state = IDLE; | |
210 | devc->timebase = DEFAULT_TIMEBASE; | |
11e33196 | 211 | devc->samplerate = DEFAULT_SAMPLERATE; |
417412c8 AJ |
212 | devc->ch_enabled[0] = TRUE; |
213 | devc->ch_enabled[1] = TRUE; | |
933defaa BV |
214 | devc->voltage[0] = DEFAULT_VOLTAGE; |
215 | devc->voltage[1] = DEFAULT_VOLTAGE; | |
216 | devc->coupling[0] = DEFAULT_COUPLING; | |
217 | devc->coupling[1] = DEFAULT_COUPLING; | |
269971dd BV |
218 | devc->voffset_ch1 = DEFAULT_VERT_OFFSET; |
219 | devc->voffset_ch2 = DEFAULT_VERT_OFFSET; | |
220 | devc->voffset_trigger = DEFAULT_VERT_TRIGGERPOS; | |
221 | devc->framesize = DEFAULT_FRAMESIZE; | |
222 | devc->triggerslope = SLOPE_POSITIVE; | |
223 | devc->triggersource = g_strdup(DEFAULT_TRIGGER_SOURCE); | |
95983cc3 | 224 | devc->capture_ratio = DEFAULT_CAPTURE_RATIO; |
269971dd | 225 | sdi->priv = devc; |
3b533202 BV |
226 | |
227 | return sdi; | |
228 | } | |
229 | ||
ba7dd8bb | 230 | static int configure_channels(const struct sr_dev_inst *sdi) |
3b533202 | 231 | { |
014359e3 | 232 | struct dev_context *devc; |
ba7dd8bb | 233 | struct sr_channel *ch; |
62bb8840 | 234 | const GSList *l; |
69e19dd7 | 235 | int p; |
3b533202 | 236 | |
014359e3 BV |
237 | devc = sdi->priv; |
238 | ||
ba7dd8bb | 239 | g_slist_free(devc->enabled_channels); |
417412c8 | 240 | devc->ch_enabled[0] = devc->ch_enabled[1] = FALSE; |
ba7dd8bb UH |
241 | for (l = sdi->channels, p = 0; l; l = l->next, p++) { |
242 | ch = l->data; | |
69e19dd7 | 243 | if (p == 0) |
417412c8 | 244 | devc->ch_enabled[0] = ch->enabled; |
69e19dd7 | 245 | else |
417412c8 | 246 | devc->ch_enabled[1] = ch->enabled; |
ba7dd8bb UH |
247 | if (ch->enabled) |
248 | devc->enabled_channels = g_slist_append(devc->enabled_channels, ch); | |
3b533202 BV |
249 | } |
250 | ||
251 | return SR_OK; | |
252 | } | |
253 | ||
3553451f | 254 | static void clear_helper(struct dev_context *devc) |
39cfdd75 | 255 | { |
949b3dc0 | 256 | g_free(devc->triggersource); |
ba7dd8bb | 257 | g_slist_free(devc->enabled_channels); |
949b3dc0 | 258 | } |
39cfdd75 | 259 | |
4f840ce9 | 260 | static int dev_clear(const struct sr_dev_driver *di) |
949b3dc0 | 261 | { |
3553451f | 262 | return std_dev_clear_with_callback(di, (std_dev_clear_callback)clear_helper); |
39cfdd75 BV |
263 | } |
264 | ||
4f840ce9 | 265 | static GSList *scan(struct sr_dev_driver *di, GSList *options) |
3b533202 | 266 | { |
269971dd BV |
267 | struct drv_context *drvc; |
268 | struct dev_context *devc; | |
294dbac7 | 269 | struct sr_dev_inst *sdi; |
46a743c1 BV |
270 | struct sr_usb_dev_inst *usb; |
271 | struct sr_config *src; | |
294dbac7 BV |
272 | const struct dso_profile *prof; |
273 | GSList *l, *devices, *conn_devices; | |
39cfdd75 | 274 | struct libusb_device_descriptor des; |
3b533202 | 275 | libusb_device **devlist; |
2a8f2d41 | 276 | int i, j; |
46a743c1 | 277 | const char *conn; |
395206f4 | 278 | char connection_id[64]; |
e98b7f1b | 279 | |
41812aca | 280 | drvc = di->context; |
39cfdd75 | 281 | |
4b97c74e UH |
282 | devices = 0; |
283 | ||
294dbac7 BV |
284 | conn = NULL; |
285 | for (l = options; l; l = l->next) { | |
286 | src = l->data; | |
287 | if (src->key == SR_CONF_CONN) { | |
288 | conn = g_variant_get_string(src->data, NULL); | |
289 | break; | |
290 | } | |
291 | } | |
292 | if (conn) | |
293 | conn_devices = sr_usb_find(drvc->sr_ctx->libusb_ctx, conn); | |
294 | else | |
295 | conn_devices = NULL; | |
296 | ||
39cfdd75 | 297 | /* Find all Hantek DSO devices and upload firmware to all of them. */ |
d4abb463 | 298 | libusb_get_device_list(drvc->sr_ctx->libusb_ctx, &devlist); |
3b533202 | 299 | for (i = 0; devlist[i]; i++) { |
46a743c1 | 300 | if (conn) { |
294dbac7 BV |
301 | usb = NULL; |
302 | for (l = conn_devices; l; l = l->next) { | |
303 | usb = l->data; | |
304 | if (usb->bus == libusb_get_bus_number(devlist[i]) | |
305 | && usb->address == libusb_get_device_address(devlist[i])) | |
306 | break; | |
307 | } | |
308 | if (!l) | |
309 | /* This device matched none of the ones that | |
310 | * matched the conn specification. */ | |
311 | continue; | |
46a743c1 | 312 | } |
294dbac7 | 313 | |
2a8f2d41 | 314 | libusb_get_device_descriptor(devlist[i], &des); |
3b533202 | 315 | |
395206f4 SA |
316 | usb_get_port_path(devlist[i], connection_id, sizeof(connection_id)); |
317 | ||
3b533202 BV |
318 | prof = NULL; |
319 | for (j = 0; dev_profiles[j].orig_vid; j++) { | |
320 | if (des.idVendor == dev_profiles[j].orig_vid | |
321 | && des.idProduct == dev_profiles[j].orig_pid) { | |
322 | /* Device matches the pre-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); |
39cfdd75 | 327 | devices = g_slist_append(devices, sdi); |
269971dd | 328 | devc = sdi->priv; |
8e2d6c9d DE |
329 | if (ezusb_upload_firmware(drvc->sr_ctx, devlist[i], |
330 | USB_CONFIGURATION, prof->firmware) == SR_OK) | |
3b533202 | 331 | /* Remember when the firmware on this device was updated */ |
269971dd | 332 | devc->fw_updated = g_get_monotonic_time(); |
3b533202 | 333 | else |
395206f4 | 334 | sr_err("Firmware upload failed"); |
3b533202 | 335 | /* Dummy USB address of 0xff will get overwritten later. */ |
c118080b | 336 | sdi->conn = sr_usb_dev_inst_new( |
3b533202 | 337 | libusb_get_bus_number(devlist[i]), 0xff, NULL); |
3b533202 BV |
338 | break; |
339 | } else if (des.idVendor == dev_profiles[j].fw_vid | |
340 | && des.idProduct == dev_profiles[j].fw_pid) { | |
341 | /* Device matches the post-firmware profile. */ | |
342 | prof = &dev_profiles[j]; | |
e98b7f1b | 343 | sr_dbg("Found a %s %s.", prof->vendor, prof->model); |
15a5bfe4 | 344 | sdi = dso_dev_new(prof); |
395206f4 | 345 | sdi->connection_id = g_strdup(connection_id); |
3b533202 | 346 | sdi->status = SR_ST_INACTIVE; |
39cfdd75 | 347 | devices = g_slist_append(devices, sdi); |
d0eec1ee | 348 | sdi->inst_type = SR_INST_USB; |
c118080b | 349 | sdi->conn = sr_usb_dev_inst_new( |
3b533202 BV |
350 | libusb_get_bus_number(devlist[i]), |
351 | libusb_get_device_address(devlist[i]), NULL); | |
3b533202 BV |
352 | break; |
353 | } | |
354 | } | |
355 | if (!prof) | |
356 | /* not a supported VID/PID */ | |
357 | continue; | |
358 | } | |
359 | libusb_free_device_list(devlist, 1); | |
360 | ||
15a5bfe4 | 361 | return std_scan_complete(di, devices); |
3b533202 BV |
362 | } |
363 | ||
6078d2c9 | 364 | static int dev_open(struct sr_dev_inst *sdi) |
3b533202 | 365 | { |
269971dd | 366 | struct dev_context *devc; |
c118080b | 367 | struct sr_usb_dev_inst *usb; |
fc8fe3e3 BV |
368 | int64_t timediff_us, timediff_ms; |
369 | int err; | |
3b533202 | 370 | |
269971dd | 371 | devc = sdi->priv; |
c118080b | 372 | usb = sdi->conn; |
3b533202 BV |
373 | |
374 | /* | |
e98b7f1b UH |
375 | * If the firmware was recently uploaded, wait up to MAX_RENUM_DELAY_MS |
376 | * for the FX2 to renumerate. | |
3b533202 | 377 | */ |
fc8fe3e3 | 378 | err = SR_ERR; |
269971dd | 379 | if (devc->fw_updated > 0) { |
e98b7f1b UH |
380 | sr_info("Waiting for device to reset."); |
381 | /* Takes >= 300ms for the FX2 to be gone from the USB bus. */ | |
3b533202 | 382 | g_usleep(300 * 1000); |
fc8fe3e3 BV |
383 | timediff_ms = 0; |
384 | while (timediff_ms < MAX_RENUM_DELAY_MS) { | |
25a0f108 | 385 | if ((err = dso_open(sdi)) == SR_OK) |
3b533202 BV |
386 | break; |
387 | g_usleep(100 * 1000); | |
269971dd | 388 | timediff_us = g_get_monotonic_time() - devc->fw_updated; |
fc8fe3e3 | 389 | timediff_ms = timediff_us / 1000; |
e98b7f1b | 390 | sr_spew("Waited %" PRIi64 " ms.", timediff_ms); |
3b533202 | 391 | } |
6433156c | 392 | sr_info("Device came back after %" PRIi64 " ms.", timediff_ms); |
3b533202 | 393 | } else { |
25a0f108 | 394 | err = dso_open(sdi); |
3b533202 BV |
395 | } |
396 | ||
397 | if (err != SR_OK) { | |
e98b7f1b | 398 | sr_err("Unable to open device."); |
3b533202 BV |
399 | return SR_ERR; |
400 | } | |
401 | ||
c118080b | 402 | err = libusb_claim_interface(usb->devhdl, USB_INTERFACE); |
3b533202 | 403 | if (err != 0) { |
d4928d71 | 404 | sr_err("Unable to claim interface: %s.", |
d9251a2c | 405 | libusb_error_name(err)); |
3b533202 BV |
406 | return SR_ERR; |
407 | } | |
408 | ||
409 | return SR_OK; | |
410 | } | |
411 | ||
6078d2c9 | 412 | static int dev_close(struct sr_dev_inst *sdi) |
3b533202 | 413 | { |
3b533202 BV |
414 | dso_close(sdi); |
415 | ||
416 | return SR_OK; | |
417 | } | |
418 | ||
dd7a72ea UH |
419 | static int config_get(uint32_t key, GVariant **data, |
420 | const struct sr_dev_inst *sdi, const struct sr_channel_group *cg) | |
79917848 | 421 | { |
933defaa | 422 | struct dev_context *devc; |
624f5b4c | 423 | struct sr_usb_dev_inst *usb; |
2c240774 | 424 | const char *s; |
933defaa BV |
425 | const uint64_t *vdiv; |
426 | int ch_idx; | |
79917848 | 427 | |
584560f1 | 428 | switch (key) { |
bf622e6d | 429 | case SR_CONF_NUM_HDIV: |
79917848 BV |
430 | *data = g_variant_new_int32(NUM_TIMEBASE); |
431 | break; | |
432 | case SR_CONF_NUM_VDIV: | |
433 | *data = g_variant_new_int32(NUM_VDIV); | |
434 | break; | |
933defaa BV |
435 | } |
436 | ||
437 | if (!sdi) | |
438 | return SR_ERR_ARG; | |
439 | ||
440 | devc = sdi->priv; | |
441 | if (!cg) { | |
442 | switch (key) { | |
443 | case SR_CONF_CONN: | |
444 | if (!sdi->conn) | |
445 | return SR_ERR_ARG; | |
446 | usb = sdi->conn; | |
447 | if (usb->address == 255) | |
448 | /* Device still needs to re-enumerate after firmware | |
449 | * upload, so we don't know its (future) address. */ | |
450 | return SR_ERR; | |
95c1fe62 | 451 | *data = g_variant_new_printf("%d.%d", usb->bus, usb->address); |
933defaa BV |
452 | break; |
453 | case SR_CONF_TIMEBASE: | |
454 | *data = g_variant_new("(tt)", timebases[devc->timebase][0], | |
455 | timebases[devc->timebase][1]); | |
456 | break; | |
3b2b7031 | 457 | case SR_CONF_SAMPLERATE: |
11e33196 | 458 | *data = g_variant_new_uint64(devc->samplerate); |
3b2b7031 | 459 | break; |
933defaa BV |
460 | case SR_CONF_BUFFERSIZE: |
461 | *data = g_variant_new_uint64(devc->framesize); | |
462 | break; | |
463 | case SR_CONF_TRIGGER_SOURCE: | |
464 | *data = g_variant_new_string(devc->triggersource); | |
465 | break; | |
466 | case SR_CONF_TRIGGER_SLOPE: | |
c442ffda | 467 | s = (devc->triggerslope == SLOPE_POSITIVE) ? "r" : "f"; |
933defaa BV |
468 | *data = g_variant_new_string(s); |
469 | break; | |
95983cc3 PM |
470 | case SR_CONF_CAPTURE_RATIO: |
471 | *data = g_variant_new_uint64(devc->capture_ratio); | |
933defaa BV |
472 | break; |
473 | default: | |
474 | return SR_ERR_NA; | |
475 | } | |
476 | } else { | |
477 | if (sdi->channel_groups->data == cg) | |
478 | ch_idx = 0; | |
479 | else if (sdi->channel_groups->next->data == cg) | |
480 | ch_idx = 1; | |
481 | else | |
482 | return SR_ERR_ARG; | |
0c5f2abc | 483 | switch (key) { |
933defaa BV |
484 | case SR_CONF_FILTER: |
485 | *data = g_variant_new_boolean(devc->filter[ch_idx]); | |
486 | break; | |
487 | case SR_CONF_VDIV: | |
488 | vdiv = vdivs[devc->voltage[ch_idx]]; | |
489 | *data = g_variant_new("(tt)", vdiv[0], vdiv[1]); | |
490 | break; | |
491 | case SR_CONF_COUPLING: | |
492 | *data = g_variant_new_string(coupling[devc->coupling[ch_idx]]); | |
493 | break; | |
494 | } | |
79917848 BV |
495 | } |
496 | ||
497 | return SR_OK; | |
498 | } | |
499 | ||
dd7a72ea UH |
500 | static int config_set(uint32_t key, GVariant *data, |
501 | const struct sr_dev_inst *sdi, const struct sr_channel_group *cg) | |
3b533202 | 502 | { |
269971dd | 503 | struct dev_context *devc; |
95983cc3 | 504 | int rat; |
697fb6dd | 505 | int ch_idx, idx; |
8f996b89 | 506 | |
269971dd | 507 | devc = sdi->priv; |
933defaa BV |
508 | if (!cg) { |
509 | switch (key) { | |
510 | case SR_CONF_LIMIT_FRAMES: | |
511 | devc->limit_frames = g_variant_get_uint64(data); | |
512 | break; | |
513 | case SR_CONF_TRIGGER_SLOPE: | |
697fb6dd | 514 | if ((idx = std_str_idx(data, ARRAY_AND_SIZE(trigger_slopes))) < 0) |
933defaa | 515 | return SR_ERR_ARG; |
db85496e | 516 | devc->triggerslope = idx; |
933defaa | 517 | break; |
95983cc3 PM |
518 | case SR_CONF_CAPTURE_RATIO: |
519 | rat = g_variant_get_uint64(data); | |
520 | if (rat < 0 || rat > 100) { | |
521 | sr_err("Capture ratio must be in [0,100]."); | |
a9010323 | 522 | return SR_ERR_ARG; |
933defaa | 523 | } else |
95983cc3 | 524 | devc->capture_ratio = rat; |
933defaa BV |
525 | break; |
526 | case SR_CONF_BUFFERSIZE: | |
697fb6dd | 527 | if ((idx = std_u64_idx(data, devc->profile->buffersizes, NUM_BUFFER_SIZES)) < 0) |
a9010323 | 528 | return SR_ERR_ARG; |
697fb6dd | 529 | devc->framesize = devc->profile->buffersizes[idx]; |
933defaa BV |
530 | break; |
531 | case SR_CONF_TIMEBASE: | |
697fb6dd | 532 | if ((idx = std_u64_tuple_idx(data, ARRAY_AND_SIZE(timebases))) < 0) |
a9010323 | 533 | return SR_ERR_ARG; |
697fb6dd | 534 | devc->timebase = idx; |
933defaa | 535 | break; |
11e33196 PM |
536 | case SR_CONF_SAMPLERATE: |
537 | if ((idx = std_u64_idx(data, ARRAY_AND_SIZE(samplerates))) < 0) | |
538 | return SR_ERR_ARG; | |
539 | devc->samplerate = samplerates[idx]; | |
540 | if (dso_set_trigger_samplerate(sdi) != SR_OK) | |
541 | return SR_ERR; | |
95983cc3 | 542 | sr_dbg("got new sample rate %d, idx %d", devc->samplerate, idx); |
11e33196 | 543 | break; |
933defaa | 544 | case SR_CONF_TRIGGER_SOURCE: |
697fb6dd | 545 | if ((idx = std_str_idx(data, ARRAY_AND_SIZE(trigger_sources))) < 0) |
a9010323 | 546 | return SR_ERR_ARG; |
697fb6dd | 547 | devc->triggersource = g_strdup(trigger_sources[idx]); |
933defaa BV |
548 | break; |
549 | default: | |
a9010323 | 550 | return SR_ERR_NA; |
ebb781a6 | 551 | } |
933defaa BV |
552 | } else { |
553 | if (sdi->channel_groups->data == cg) | |
554 | ch_idx = 0; | |
555 | else if (sdi->channel_groups->next->data == cg) | |
556 | ch_idx = 1; | |
557 | else | |
558 | return SR_ERR_ARG; | |
559 | switch (key) { | |
560 | case SR_CONF_FILTER: | |
561 | devc->filter[ch_idx] = g_variant_get_boolean(data); | |
562 | break; | |
563 | case SR_CONF_VDIV: | |
697fb6dd | 564 | if ((idx = std_u64_tuple_idx(data, ARRAY_AND_SIZE(vdivs))) < 0) |
a9010323 | 565 | return SR_ERR_ARG; |
697fb6dd | 566 | devc->voltage[ch_idx] = idx; |
933defaa BV |
567 | break; |
568 | case SR_CONF_COUPLING: | |
697fb6dd | 569 | if ((idx = std_str_idx(data, ARRAY_AND_SIZE(coupling))) < 0) |
a9010323 | 570 | return SR_ERR_ARG; |
697fb6dd | 571 | devc->coupling[ch_idx] = idx; |
933defaa BV |
572 | break; |
573 | default: | |
a9010323 | 574 | return SR_ERR_NA; |
b58fbd99 | 575 | } |
3b533202 BV |
576 | } |
577 | ||
a9010323 | 578 | return SR_OK; |
3b533202 BV |
579 | } |
580 | ||
dd7a72ea UH |
581 | static int config_list(uint32_t key, GVariant **data, |
582 | const struct sr_dev_inst *sdi, const struct sr_channel_group *cg) | |
a1c743fc | 583 | { |
034accb5 | 584 | struct dev_context *devc; |
a1c743fc | 585 | |
933defaa | 586 | if (!cg) { |
93b118da | 587 | switch (key) { |
e66d1892 | 588 | case SR_CONF_SCAN_OPTIONS: |
933defaa | 589 | case SR_CONF_DEVICE_OPTIONS: |
e66d1892 | 590 | return STD_CONFIG_LIST(key, data, sdi, cg, scanopts, drvopts, devopts); |
933defaa BV |
591 | case SR_CONF_BUFFERSIZE: |
592 | if (!sdi) | |
593 | return SR_ERR_ARG; | |
594 | devc = sdi->priv; | |
105df674 | 595 | *data = std_gvar_array_u64(devc->profile->buffersizes, NUM_BUFFER_SIZES); |
933defaa | 596 | break; |
11e33196 PM |
597 | case SR_CONF_SAMPLERATE: |
598 | *data = std_gvar_samplerates(ARRAY_AND_SIZE(samplerates)); | |
599 | break; | |
933defaa | 600 | case SR_CONF_TIMEBASE: |
58ffcf97 | 601 | *data = std_gvar_tuple_array(ARRAY_AND_SIZE(timebases)); |
933defaa BV |
602 | break; |
603 | case SR_CONF_TRIGGER_SOURCE: | |
53012da6 | 604 | *data = g_variant_new_strv(ARRAY_AND_SIZE(trigger_sources)); |
933defaa BV |
605 | break; |
606 | case SR_CONF_TRIGGER_SLOPE: | |
53012da6 | 607 | *data = g_variant_new_strv(ARRAY_AND_SIZE(trigger_slopes)); |
933defaa BV |
608 | break; |
609 | default: | |
610 | return SR_ERR_NA; | |
3973ee26 | 611 | } |
933defaa | 612 | } else { |
93b118da | 613 | switch (key) { |
933defaa | 614 | case SR_CONF_DEVICE_OPTIONS: |
53012da6 | 615 | *data = std_gvar_array_u32(ARRAY_AND_SIZE(devopts_cg)); |
933defaa BV |
616 | break; |
617 | case SR_CONF_COUPLING: | |
53012da6 | 618 | *data = g_variant_new_strv(ARRAY_AND_SIZE(coupling)); |
933defaa BV |
619 | break; |
620 | case SR_CONF_VDIV: | |
58ffcf97 | 621 | *data = std_gvar_tuple_array(ARRAY_AND_SIZE(vdivs)); |
933defaa BV |
622 | break; |
623 | default: | |
624 | return SR_ERR_NA; | |
3973ee26 | 625 | } |
a1c743fc BV |
626 | } |
627 | ||
628 | return SR_OK; | |
629 | } | |
630 | ||
69e19dd7 | 631 | static void send_chunk(struct sr_dev_inst *sdi, unsigned char *buf, |
e749a8cb | 632 | int num_samples) |
3b533202 BV |
633 | { |
634 | struct sr_datafeed_packet packet; | |
ae7d8a58 UH |
635 | struct sr_datafeed_analog analog; |
636 | struct sr_analog_encoding encoding; | |
637 | struct sr_analog_meaning meaning; | |
638 | struct sr_analog_spec spec; | |
417412c8 AJ |
639 | struct dev_context *devc = sdi->priv; |
640 | GSList *channels = devc->enabled_channels; | |
3b533202 | 641 | |
ae7d8a58 | 642 | packet.type = SR_DF_ANALOG; |
3b533202 | 643 | packet.payload = &analog; |
6e71ef3b | 644 | /* TODO: support for 5xxx series 9-bit samples */ |
ae7d8a58 | 645 | sr_analog_init(&analog, &encoding, &meaning, &spec, 0); |
e749a8cb | 646 | analog.num_samples = num_samples; |
ae7d8a58 UH |
647 | analog.meaning->mq = SR_MQ_VOLTAGE; |
648 | analog.meaning->unit = SR_UNIT_VOLT; | |
649 | analog.meaning->mqflags = 0; | |
886a52b6 | 650 | /* TODO: Check malloc return value. */ |
417412c8 AJ |
651 | analog.data = g_try_malloc(num_samples * sizeof(float)); |
652 | ||
b3fd0993 | 653 | for (int ch = 0; ch < NUM_CHANNELS; ch++) { |
417412c8 AJ |
654 | if (!devc->ch_enabled[ch]) |
655 | continue; | |
656 | ||
657 | float range = ((float)vdivs[devc->voltage[ch]][0] / vdivs[devc->voltage[ch]][1]) * 8; | |
658 | float vdivlog = log10f(range / 255); | |
659 | int digits = -(int)vdivlog + (vdivlog < 0.0); | |
660 | analog.encoding->digits = digits; | |
661 | analog.spec->spec_digits = digits; | |
662 | analog.meaning->channels = g_slist_append(NULL, channels->data); | |
663 | ||
664 | for (int i = 0; i < num_samples; i++) { | |
665 | /* | |
666 | * The device always sends data for both channels. If a channel | |
667 | * is disabled, it contains a copy of the enabled channel's | |
668 | * data. However, we only send the requested channels to | |
669 | * the bus. | |
670 | * | |
671 | * Voltage values are encoded as a value 0-255 (0-512 on the | |
672 | * DSO-5200*), where the value is a point in the range | |
673 | * represented by the vdiv setting. There are 8 vertical divs, | |
674 | * so e.g. 500mV/div represents 4V peak-to-peak where 0 = -2V | |
675 | * and 255 = +2V. | |
676 | */ | |
677 | /* TODO: Support for DSO-5xxx series 9-bit samples. */ | |
678 | ((float *)analog.data)[i] = range / 255 * *(buf + i * 2 + 1 - ch) - range / 2; | |
6e71ef3b | 679 | } |
417412c8 AJ |
680 | sr_session_send(sdi, &packet); |
681 | g_slist_free(analog.meaning->channels); | |
682 | ||
683 | channels = channels->next; | |
3b533202 | 684 | } |
1e6b5b93 | 685 | g_free(analog.data); |
e749a8cb BV |
686 | } |
687 | ||
e98b7f1b UH |
688 | /* |
689 | * Called by libusb (as triggered by handle_event()) when a transfer comes in. | |
e749a8cb | 690 | * Only channel data comes in asynchronously, and all transfers for this are |
e98b7f1b | 691 | * queued up beforehand, so this just needs to chuck the incoming data onto |
e749a8cb BV |
692 | * the libsigrok session bus. |
693 | */ | |
55462b8b | 694 | static void LIBUSB_CALL receive_transfer(struct libusb_transfer *transfer) |
e749a8cb BV |
695 | { |
696 | struct sr_datafeed_packet packet; | |
69e19dd7 | 697 | struct sr_dev_inst *sdi; |
269971dd | 698 | struct dev_context *devc; |
e749a8cb BV |
699 | int num_samples, pre; |
700 | ||
69e19dd7 BV |
701 | sdi = transfer->user_data; |
702 | devc = sdi->priv; | |
eb8e6cd2 UH |
703 | sr_spew("receive_transfer(): status %s received %d bytes.", |
704 | libusb_error_name(transfer->status), transfer->actual_length); | |
e749a8cb BV |
705 | |
706 | if (transfer->actual_length == 0) | |
707 | /* Nothing to send to the bus. */ | |
708 | return; | |
709 | ||
710 | num_samples = transfer->actual_length / 2; | |
711 | ||
d4007311 | 712 | sr_spew("Got %d-%d/%d samples in frame.", devc->samp_received + 1, |
d9251a2c | 713 | devc->samp_received + num_samples, devc->framesize); |
e749a8cb | 714 | |
e98b7f1b UH |
715 | /* |
716 | * The device always sends a full frame, but the beginning of the frame | |
e749a8cb BV |
717 | * doesn't represent the trigger point. The offset at which the trigger |
718 | * happened came in with the capture state, so we need to start sending | |
e98b7f1b UH |
719 | * from there up the session bus. The samples in the frame buffer |
720 | * before that trigger point came after the end of the device's frame | |
721 | * buffer was reached, and it wrapped around to overwrite up until the | |
722 | * trigger point. | |
e749a8cb | 723 | */ |
269971dd | 724 | if (devc->samp_received < devc->trigger_offset) { |
e749a8cb | 725 | /* Trigger point not yet reached. */ |
269971dd | 726 | if (devc->samp_received + num_samples < devc->trigger_offset) { |
e749a8cb | 727 | /* The entire chunk is before the trigger point. */ |
269971dd | 728 | memcpy(devc->framebuf + devc->samp_buffered * 2, |
e749a8cb | 729 | transfer->buffer, num_samples * 2); |
269971dd | 730 | devc->samp_buffered += num_samples; |
e749a8cb | 731 | } else { |
e98b7f1b UH |
732 | /* |
733 | * This chunk hits or overruns the trigger point. | |
e749a8cb | 734 | * Store the part before the trigger fired, and |
e98b7f1b UH |
735 | * send the rest up to the session bus. |
736 | */ | |
269971dd BV |
737 | pre = devc->trigger_offset - devc->samp_received; |
738 | memcpy(devc->framebuf + devc->samp_buffered * 2, | |
e749a8cb | 739 | transfer->buffer, pre * 2); |
269971dd | 740 | devc->samp_buffered += pre; |
e749a8cb BV |
741 | |
742 | /* The rest of this chunk starts with the trigger point. */ | |
e98b7f1b | 743 | sr_dbg("Reached trigger point, %d samples buffered.", |
d9251a2c | 744 | devc->samp_buffered); |
e749a8cb BV |
745 | |
746 | /* Avoid the corner case where the chunk ended at | |
747 | * exactly the trigger point. */ | |
748 | if (num_samples > pre) | |
69e19dd7 | 749 | send_chunk(sdi, transfer->buffer + pre * 2, |
e749a8cb BV |
750 | num_samples - pre); |
751 | } | |
752 | } else { | |
753 | /* Already past the trigger point, just send it all out. */ | |
a95f142e | 754 | send_chunk(sdi, transfer->buffer, num_samples); |
e749a8cb BV |
755 | } |
756 | ||
269971dd | 757 | devc->samp_received += num_samples; |
e749a8cb BV |
758 | |
759 | /* Everything in this transfer was either copied to the buffer or | |
760 | * sent to the session bus. */ | |
3b533202 BV |
761 | g_free(transfer->buffer); |
762 | libusb_free_transfer(transfer); | |
3b533202 | 763 | |
269971dd | 764 | if (devc->samp_received >= devc->framesize) { |
e749a8cb BV |
765 | /* That was the last chunk in this frame. Send the buffered |
766 | * pre-trigger samples out now, in one big chunk. */ | |
e98b7f1b | 767 | sr_dbg("End of frame, sending %d pre-trigger buffered samples.", |
d9251a2c | 768 | devc->samp_buffered); |
69e19dd7 | 769 | send_chunk(sdi, devc->framebuf, devc->samp_buffered); |
e749a8cb BV |
770 | |
771 | /* Mark the end of this frame. */ | |
ae88b97b | 772 | packet.type = SR_DF_FRAME_END; |
695dc859 | 773 | sr_session_send(sdi, &packet); |
ae88b97b | 774 | |
269971dd | 775 | if (devc->limit_frames && ++devc->num_frames == devc->limit_frames) { |
ae88b97b | 776 | /* Terminate session */ |
a3508e33 | 777 | devc->dev_state = STOPPING; |
ae88b97b | 778 | } else { |
269971dd | 779 | devc->dev_state = NEW_CAPTURE; |
ae88b97b BV |
780 | } |
781 | } | |
3b533202 BV |
782 | } |
783 | ||
784 | static int handle_event(int fd, int revents, void *cb_data) | |
785 | { | |
a3508e33 | 786 | const struct sr_dev_inst *sdi; |
ae88b97b | 787 | struct sr_datafeed_packet packet; |
3b533202 | 788 | struct timeval tv; |
4f840ce9 | 789 | struct sr_dev_driver *di; |
269971dd | 790 | struct dev_context *devc; |
4f840ce9 | 791 | struct drv_context *drvc; |
ba7dd8bb | 792 | int num_channels; |
6e6eeff4 BV |
793 | uint32_t trigger_offset; |
794 | uint8_t capturestate; | |
3b533202 | 795 | |
3b533202 BV |
796 | (void)fd; |
797 | (void)revents; | |
798 | ||
269971dd | 799 | sdi = cb_data; |
4f840ce9 | 800 | di = sdi->driver; |
41812aca | 801 | drvc = di->context; |
269971dd | 802 | devc = sdi->priv; |
a3508e33 BV |
803 | if (devc->dev_state == STOPPING) { |
804 | /* We've been told to wind up the acquisition. */ | |
e98b7f1b UH |
805 | sr_dbg("Stopping acquisition."); |
806 | /* | |
807 | * TODO: Doesn't really cancel pending transfers so they might | |
808 | * come in after SR_DF_END is sent. | |
809 | */ | |
102f1239 | 810 | usb_source_remove(sdi->session, drvc->sr_ctx); |
a3508e33 | 811 | |
bee2b016 | 812 | std_session_send_df_end(sdi); |
a3508e33 BV |
813 | |
814 | devc->dev_state = IDLE; | |
815 | ||
816 | return TRUE; | |
817 | } | |
818 | ||
3b533202 BV |
819 | /* Always handle pending libusb events. */ |
820 | tv.tv_sec = tv.tv_usec = 0; | |
d4abb463 | 821 | libusb_handle_events_timeout(drvc->sr_ctx->libusb_ctx, &tv); |
3b533202 | 822 | |
3b533202 | 823 | /* TODO: ugh */ |
269971dd | 824 | if (devc->dev_state == NEW_CAPTURE) { |
c118080b | 825 | if (dso_capture_start(sdi) != SR_OK) |
3b533202 | 826 | return TRUE; |
c118080b | 827 | if (dso_enable_trigger(sdi) != SR_OK) |
3b533202 | 828 | return TRUE; |
c118080b | 829 | // if (dso_force_trigger(sdi) != SR_OK) |
a370ef19 | 830 | // return TRUE; |
e98b7f1b | 831 | sr_dbg("Successfully requested next chunk."); |
269971dd | 832 | devc->dev_state = CAPTURE; |
3b533202 BV |
833 | return TRUE; |
834 | } | |
269971dd | 835 | if (devc->dev_state != CAPTURE) |
3b533202 BV |
836 | return TRUE; |
837 | ||
c118080b | 838 | if ((dso_get_capturestate(sdi, &capturestate, &trigger_offset)) != SR_OK) |
3b533202 | 839 | return TRUE; |
3b533202 | 840 | |
e98b7f1b UH |
841 | sr_dbg("Capturestate %d.", capturestate); |
842 | sr_dbg("Trigger offset 0x%.6x.", trigger_offset); | |
3b533202 BV |
843 | switch (capturestate) { |
844 | case CAPTURE_EMPTY: | |
269971dd BV |
845 | if (++devc->capture_empty_count >= MAX_CAPTURE_EMPTY) { |
846 | devc->capture_empty_count = 0; | |
c118080b | 847 | if (dso_capture_start(sdi) != SR_OK) |
3b533202 | 848 | break; |
c118080b | 849 | if (dso_enable_trigger(sdi) != SR_OK) |
3b533202 | 850 | break; |
c118080b | 851 | // if (dso_force_trigger(sdi) != SR_OK) |
a370ef19 | 852 | // break; |
e98b7f1b | 853 | sr_dbg("Successfully requested next chunk."); |
3b533202 BV |
854 | } |
855 | break; | |
856 | case CAPTURE_FILLING: | |
e98b7f1b | 857 | /* No data yet. */ |
3b533202 BV |
858 | break; |
859 | case CAPTURE_READY_8BIT: | |
87f56d01 | 860 | case CAPTURE_READY2250: |
e749a8cb | 861 | /* Remember where in the captured frame the trigger is. */ |
269971dd | 862 | devc->trigger_offset = trigger_offset; |
e749a8cb | 863 | |
417412c8 | 864 | num_channels = (devc->ch_enabled[0] && devc->ch_enabled[1]) ? 2 : 1; |
a95f142e | 865 | devc->framebuf = g_malloc(devc->framesize * num_channels * 2); |
269971dd | 866 | devc->samp_buffered = devc->samp_received = 0; |
e749a8cb | 867 | |
3b533202 | 868 | /* Tell the scope to send us the first frame. */ |
69e19dd7 | 869 | if (dso_get_channeldata(sdi, receive_transfer) != SR_OK) |
3b533202 | 870 | break; |
ae88b97b | 871 | |
e98b7f1b UH |
872 | /* |
873 | * Don't hit the state machine again until we're done fetching | |
ae88b97b BV |
874 | * the data we just told the scope to send. |
875 | */ | |
269971dd | 876 | devc->dev_state = FETCH_DATA; |
ae88b97b BV |
877 | |
878 | /* Tell the frontend a new frame is on the way. */ | |
879 | packet.type = SR_DF_FRAME_BEGIN; | |
269971dd | 880 | sr_session_send(sdi, &packet); |
3b533202 BV |
881 | break; |
882 | case CAPTURE_READY_9BIT: | |
883 | /* TODO */ | |
e98b7f1b | 884 | sr_err("Not yet supported."); |
3b533202 BV |
885 | break; |
886 | case CAPTURE_TIMEOUT: | |
887 | /* Doesn't matter, we'll try again next time. */ | |
888 | break; | |
889 | default: | |
e98b7f1b UH |
890 | sr_dbg("Unknown capture state: %d.", capturestate); |
891 | break; | |
3b533202 BV |
892 | } |
893 | ||
894 | return TRUE; | |
895 | } | |
896 | ||
695dc859 | 897 | static int dev_acquisition_start(const struct sr_dev_inst *sdi) |
3b533202 | 898 | { |
269971dd | 899 | struct dev_context *devc; |
4f840ce9 | 900 | struct sr_dev_driver *di = sdi->driver; |
41812aca | 901 | struct drv_context *drvc = di->context; |
3b533202 | 902 | |
269971dd | 903 | devc = sdi->priv; |
3b533202 | 904 | |
ba7dd8bb UH |
905 | if (configure_channels(sdi) != SR_OK) { |
906 | sr_err("Failed to configure channels."); | |
014359e3 BV |
907 | return SR_ERR; |
908 | } | |
909 | ||
c118080b | 910 | if (dso_init(sdi) != SR_OK) |
3b533202 BV |
911 | return SR_ERR; |
912 | ||
c118080b | 913 | if (dso_capture_start(sdi) != SR_OK) |
3b533202 BV |
914 | return SR_ERR; |
915 | ||
269971dd | 916 | devc->dev_state = CAPTURE; |
102f1239 | 917 | usb_source_add(sdi->session, drvc->sr_ctx, TICK, handle_event, (void *)sdi); |
3b533202 | 918 | |
bee2b016 | 919 | std_session_send_df_header(sdi); |
3b533202 | 920 | |
3b533202 BV |
921 | return SR_OK; |
922 | } | |
923 | ||
695dc859 | 924 | static int dev_acquisition_stop(struct sr_dev_inst *sdi) |
3b533202 | 925 | { |
269971dd BV |
926 | struct dev_context *devc; |
927 | ||
a3508e33 BV |
928 | devc = sdi->priv; |
929 | devc->dev_state = STOPPING; | |
3b533202 BV |
930 | |
931 | return SR_OK; | |
932 | } | |
933 | ||
dd5c48a6 | 934 | static struct sr_dev_driver hantek_dso_driver_info = { |
3b533202 BV |
935 | .name = "hantek-dso", |
936 | .longname = "Hantek DSO", | |
937 | .api_version = 1, | |
c2fdcc25 | 938 | .init = std_init, |
700d6b64 | 939 | .cleanup = std_cleanup, |
6078d2c9 | 940 | .scan = scan, |
c01bf34c | 941 | .dev_list = std_dev_list, |
3b412e3a | 942 | .dev_clear = dev_clear, |
79917848 | 943 | .config_get = config_get, |
035a1078 | 944 | .config_set = config_set, |
a1c743fc | 945 | .config_list = config_list, |
6078d2c9 UH |
946 | .dev_open = dev_open, |
947 | .dev_close = dev_close, | |
948 | .dev_acquisition_start = dev_acquisition_start, | |
949 | .dev_acquisition_stop = dev_acquisition_stop, | |
41812aca | 950 | .context = NULL, |
3b533202 | 951 | }; |
dd5c48a6 | 952 | SR_REGISTER_DEV_DRIVER(hantek_dso_driver_info); |