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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, |
50bc52f3 | 58 | SR_CONF_LIMIT_FRAMES | SR_CONF_GET | 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, |
12f62ce6 | 67 | SR_CONF_TRIGGER_LEVEL | SR_CONF_GET | SR_CONF_SET, |
3b533202 BV |
68 | }; |
69 | ||
933defaa | 70 | static const uint32_t devopts_cg[] = { |
933defaa BV |
71 | SR_CONF_VDIV | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST, |
72 | SR_CONF_COUPLING | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST, | |
86621306 | 73 | SR_CONF_FILTER | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST, |
933defaa BV |
74 | }; |
75 | ||
ba7dd8bb | 76 | static const char *channel_names[] = { |
78693401 | 77 | "CH1", "CH2", |
3b533202 BV |
78 | }; |
79 | ||
034accb5 | 80 | static const uint64_t buffersizes_32k[] = { |
1a46cc62 | 81 | (10 * 1024), (32 * 1024), |
034accb5 BV |
82 | }; |
83 | static const uint64_t buffersizes_512k[] = { | |
1a46cc62 | 84 | (10 * 1024), (512 * 1024), |
034accb5 BV |
85 | }; |
86 | static const uint64_t buffersizes_14k[] = { | |
1a46cc62 | 87 | (10 * 1024), (14 * 1024), |
034accb5 BV |
88 | }; |
89 | ||
62bb8840 | 90 | static const struct dso_profile dev_profiles[] = { |
88a13f30 | 91 | { 0x04b4, 0x2090, 0x04b5, 0x2090, |
3b533202 | 92 | "Hantek", "DSO-2090", |
034accb5 | 93 | buffersizes_32k, |
8e2d6c9d | 94 | "hantek-dso-2090.fw" }, |
88a13f30 BV |
95 | { 0x04b4, 0x2150, 0x04b5, 0x2150, |
96 | "Hantek", "DSO-2150", | |
034accb5 | 97 | buffersizes_32k, |
8e2d6c9d | 98 | "hantek-dso-2150.fw" }, |
88a13f30 BV |
99 | { 0x04b4, 0x2250, 0x04b5, 0x2250, |
100 | "Hantek", "DSO-2250", | |
034accb5 | 101 | buffersizes_512k, |
8e2d6c9d | 102 | "hantek-dso-2250.fw" }, |
88a13f30 BV |
103 | { 0x04b4, 0x5200, 0x04b5, 0x5200, |
104 | "Hantek", "DSO-5200", | |
034accb5 | 105 | buffersizes_14k, |
8e2d6c9d | 106 | "hantek-dso-5200.fw" }, |
88a13f30 BV |
107 | { 0x04b4, 0x520a, 0x04b5, 0x520a, |
108 | "Hantek", "DSO-5200A", | |
034accb5 | 109 | buffersizes_512k, |
8e2d6c9d | 110 | "hantek-dso-5200A.fw" }, |
1b4aedc0 | 111 | ALL_ZERO |
a370ef19 BV |
112 | }; |
113 | ||
86bb3f4a | 114 | static const uint64_t timebases[][2] = { |
a370ef19 BV |
115 | /* microseconds */ |
116 | { 10, 1000000 }, | |
117 | { 20, 1000000 }, | |
118 | { 40, 1000000 }, | |
119 | { 100, 1000000 }, | |
120 | { 200, 1000000 }, | |
121 | { 400, 1000000 }, | |
122 | /* milliseconds */ | |
123 | { 1, 1000 }, | |
124 | { 2, 1000 }, | |
125 | { 4, 1000 }, | |
126 | { 10, 1000 }, | |
127 | { 20, 1000 }, | |
128 | { 40, 1000 }, | |
129 | { 100, 1000 }, | |
130 | { 200, 1000 }, | |
131 | { 400, 1000 }, | |
a370ef19 BV |
132 | }; |
133 | ||
11e33196 PM |
134 | static const uint64_t samplerates[] = { |
135 | SR_KHZ(20), | |
136 | SR_KHZ(25), | |
137 | SR_KHZ(50), | |
138 | SR_KHZ(100), | |
139 | SR_KHZ(200), | |
140 | SR_KHZ(250), | |
141 | SR_KHZ(500), | |
142 | SR_MHZ(1), | |
143 | SR_MHZ(2), | |
144 | SR_MHZ(5), | |
145 | SR_MHZ(10), | |
146 | SR_MHZ(20), | |
147 | SR_MHZ(25), | |
148 | SR_MHZ(50), | |
149 | SR_MHZ(100), | |
150 | SR_MHZ(125), | |
ab8df2b1 | 151 | /* Fast mode not supported yet. |
11e33196 PM |
152 | SR_MHZ(200), |
153 | SR_MHZ(250), */ | |
154 | }; | |
155 | ||
86bb3f4a | 156 | static const uint64_t vdivs[][2] = { |
313deed2 BV |
157 | /* millivolts */ |
158 | { 10, 1000 }, | |
159 | { 20, 1000 }, | |
160 | { 50, 1000 }, | |
161 | { 100, 1000 }, | |
162 | { 200, 1000 }, | |
163 | { 500, 1000 }, | |
164 | /* volts */ | |
165 | { 1, 1 }, | |
166 | { 2, 1 }, | |
167 | { 5, 1 }, | |
313deed2 BV |
168 | }; |
169 | ||
62bb8840 | 170 | static const char *trigger_sources[] = { |
f8195cb2 | 171 | "CH1", "CH2", "EXT", |
88a13f30 | 172 | /* TODO: forced */ |
a370ef19 | 173 | }; |
3b533202 | 174 | |
933defaa | 175 | static const char *trigger_slopes[] = { |
f8195cb2 | 176 | "r", "f", |
ebb781a6 BV |
177 | }; |
178 | ||
62bb8840 | 179 | static const char *coupling[] = { |
f8195cb2 | 180 | "AC", "DC", "GND", |
b58fbd99 BV |
181 | }; |
182 | ||
15a5bfe4 | 183 | static struct sr_dev_inst *dso_dev_new(const struct dso_profile *prof) |
3b533202 BV |
184 | { |
185 | struct sr_dev_inst *sdi; | |
ba7dd8bb | 186 | struct sr_channel *ch; |
933defaa | 187 | struct sr_channel_group *cg; |
269971dd | 188 | struct dev_context *devc; |
dcd438ee | 189 | unsigned int i; |
3b533202 | 190 | |
aac29cc1 | 191 | sdi = g_malloc0(sizeof(struct sr_dev_inst)); |
0af636be UH |
192 | sdi->status = SR_ST_INITIALIZING; |
193 | sdi->vendor = g_strdup(prof->vendor); | |
194 | sdi->model = g_strdup(prof->model); | |
3b533202 | 195 | |
e98b7f1b | 196 | /* |
ba7dd8bb | 197 | * Add only the real channels -- EXT isn't a source of data, only |
87ca93c5 BV |
198 | * a trigger source internal to the device. |
199 | */ | |
0f34cb47 | 200 | for (i = 0; i < ARRAY_SIZE(channel_names); i++) { |
5e23fcab | 201 | ch = sr_channel_new(sdi, i, SR_CHANNEL_ANALOG, TRUE, channel_names[i]); |
933defaa BV |
202 | cg = g_malloc0(sizeof(struct sr_channel_group)); |
203 | cg->name = g_strdup(channel_names[i]); | |
204 | cg->channels = g_slist_append(cg->channels, ch); | |
205 | sdi->channel_groups = g_slist_append(sdi->channel_groups, cg); | |
87ca93c5 BV |
206 | } |
207 | ||
933defaa | 208 | devc = g_malloc0(sizeof(struct dev_context)); |
269971dd BV |
209 | devc->profile = prof; |
210 | devc->dev_state = IDLE; | |
211 | devc->timebase = DEFAULT_TIMEBASE; | |
11e33196 | 212 | devc->samplerate = DEFAULT_SAMPLERATE; |
417412c8 AJ |
213 | devc->ch_enabled[0] = TRUE; |
214 | devc->ch_enabled[1] = TRUE; | |
933defaa BV |
215 | devc->voltage[0] = DEFAULT_VOLTAGE; |
216 | devc->voltage[1] = DEFAULT_VOLTAGE; | |
217 | devc->coupling[0] = DEFAULT_COUPLING; | |
218 | devc->coupling[1] = DEFAULT_COUPLING; | |
269971dd BV |
219 | devc->voffset_ch1 = DEFAULT_VERT_OFFSET; |
220 | devc->voffset_ch2 = DEFAULT_VERT_OFFSET; | |
221 | devc->voffset_trigger = DEFAULT_VERT_TRIGGERPOS; | |
222 | devc->framesize = DEFAULT_FRAMESIZE; | |
223 | devc->triggerslope = SLOPE_POSITIVE; | |
224 | devc->triggersource = g_strdup(DEFAULT_TRIGGER_SOURCE); | |
95983cc3 | 225 | devc->capture_ratio = DEFAULT_CAPTURE_RATIO; |
269971dd | 226 | sdi->priv = devc; |
3b533202 BV |
227 | |
228 | return sdi; | |
229 | } | |
230 | ||
ba7dd8bb | 231 | static int configure_channels(const struct sr_dev_inst *sdi) |
3b533202 | 232 | { |
014359e3 | 233 | struct dev_context *devc; |
ba7dd8bb | 234 | struct sr_channel *ch; |
62bb8840 | 235 | const GSList *l; |
69e19dd7 | 236 | int p; |
3b533202 | 237 | |
014359e3 BV |
238 | devc = sdi->priv; |
239 | ||
ba7dd8bb | 240 | g_slist_free(devc->enabled_channels); |
be10b96d | 241 | devc->enabled_channels = NULL; |
417412c8 | 242 | devc->ch_enabled[0] = devc->ch_enabled[1] = FALSE; |
ba7dd8bb UH |
243 | for (l = sdi->channels, p = 0; l; l = l->next, p++) { |
244 | ch = l->data; | |
69e19dd7 | 245 | if (p == 0) |
417412c8 | 246 | devc->ch_enabled[0] = ch->enabled; |
69e19dd7 | 247 | else |
417412c8 | 248 | devc->ch_enabled[1] = ch->enabled; |
ba7dd8bb UH |
249 | if (ch->enabled) |
250 | devc->enabled_channels = g_slist_append(devc->enabled_channels, ch); | |
3b533202 BV |
251 | } |
252 | ||
253 | return SR_OK; | |
254 | } | |
255 | ||
3553451f | 256 | static void clear_helper(struct dev_context *devc) |
39cfdd75 | 257 | { |
949b3dc0 | 258 | g_free(devc->triggersource); |
ba7dd8bb | 259 | g_slist_free(devc->enabled_channels); |
949b3dc0 | 260 | } |
39cfdd75 | 261 | |
4f840ce9 | 262 | static int dev_clear(const struct sr_dev_driver *di) |
949b3dc0 | 263 | { |
3553451f | 264 | return std_dev_clear_with_callback(di, (std_dev_clear_callback)clear_helper); |
39cfdd75 BV |
265 | } |
266 | ||
4f840ce9 | 267 | static GSList *scan(struct sr_dev_driver *di, GSList *options) |
3b533202 | 268 | { |
269971dd BV |
269 | struct drv_context *drvc; |
270 | struct dev_context *devc; | |
294dbac7 | 271 | struct sr_dev_inst *sdi; |
46a743c1 BV |
272 | struct sr_usb_dev_inst *usb; |
273 | struct sr_config *src; | |
294dbac7 BV |
274 | const struct dso_profile *prof; |
275 | GSList *l, *devices, *conn_devices; | |
39cfdd75 | 276 | struct libusb_device_descriptor des; |
3b533202 | 277 | libusb_device **devlist; |
2a8f2d41 | 278 | int i, j; |
46a743c1 | 279 | const char *conn; |
395206f4 | 280 | char connection_id[64]; |
e98b7f1b | 281 | |
41812aca | 282 | drvc = di->context; |
39cfdd75 | 283 | |
4b97c74e UH |
284 | devices = 0; |
285 | ||
294dbac7 BV |
286 | conn = NULL; |
287 | for (l = options; l; l = l->next) { | |
288 | src = l->data; | |
289 | if (src->key == SR_CONF_CONN) { | |
290 | conn = g_variant_get_string(src->data, NULL); | |
291 | break; | |
292 | } | |
293 | } | |
294 | if (conn) | |
295 | conn_devices = sr_usb_find(drvc->sr_ctx->libusb_ctx, conn); | |
296 | else | |
297 | conn_devices = NULL; | |
298 | ||
39cfdd75 | 299 | /* Find all Hantek DSO devices and upload firmware to all of them. */ |
d4abb463 | 300 | libusb_get_device_list(drvc->sr_ctx->libusb_ctx, &devlist); |
3b533202 | 301 | for (i = 0; devlist[i]; i++) { |
46a743c1 | 302 | if (conn) { |
294dbac7 BV |
303 | usb = NULL; |
304 | for (l = conn_devices; l; l = l->next) { | |
305 | usb = l->data; | |
306 | if (usb->bus == libusb_get_bus_number(devlist[i]) | |
307 | && usb->address == libusb_get_device_address(devlist[i])) | |
308 | break; | |
309 | } | |
310 | if (!l) | |
311 | /* This device matched none of the ones that | |
312 | * matched the conn specification. */ | |
313 | continue; | |
46a743c1 | 314 | } |
294dbac7 | 315 | |
2a8f2d41 | 316 | libusb_get_device_descriptor(devlist[i], &des); |
3b533202 | 317 | |
6c1a76d1 RT |
318 | if (usb_get_port_path(devlist[i], connection_id, sizeof(connection_id)) < 0) |
319 | continue; | |
395206f4 | 320 | |
3b533202 BV |
321 | prof = NULL; |
322 | for (j = 0; dev_profiles[j].orig_vid; j++) { | |
323 | if (des.idVendor == dev_profiles[j].orig_vid | |
324 | && des.idProduct == dev_profiles[j].orig_pid) { | |
325 | /* Device matches the pre-firmware profile. */ | |
326 | prof = &dev_profiles[j]; | |
e98b7f1b | 327 | sr_dbg("Found a %s %s.", prof->vendor, prof->model); |
15a5bfe4 | 328 | sdi = dso_dev_new(prof); |
395206f4 | 329 | sdi->connection_id = g_strdup(connection_id); |
39cfdd75 | 330 | devices = g_slist_append(devices, sdi); |
269971dd | 331 | devc = sdi->priv; |
8e2d6c9d | 332 | if (ezusb_upload_firmware(drvc->sr_ctx, devlist[i], |
1372bdcd | 333 | USB_CONFIGURATION, prof->firmware) == SR_OK) { |
3b533202 | 334 | /* Remember when the firmware on this device was updated */ |
269971dd | 335 | devc->fw_updated = g_get_monotonic_time(); |
1372bdcd GS |
336 | } else { |
337 | sr_err("Firmware upload failed, name %s", prof->firmware); | |
338 | } | |
3b533202 | 339 | /* Dummy USB address of 0xff will get overwritten later. */ |
c118080b | 340 | sdi->conn = sr_usb_dev_inst_new( |
3b533202 | 341 | libusb_get_bus_number(devlist[i]), 0xff, NULL); |
3b533202 BV |
342 | break; |
343 | } else if (des.idVendor == dev_profiles[j].fw_vid | |
344 | && des.idProduct == dev_profiles[j].fw_pid) { | |
345 | /* Device matches the post-firmware profile. */ | |
346 | prof = &dev_profiles[j]; | |
e98b7f1b | 347 | sr_dbg("Found a %s %s.", prof->vendor, prof->model); |
15a5bfe4 | 348 | sdi = dso_dev_new(prof); |
395206f4 | 349 | sdi->connection_id = g_strdup(connection_id); |
3b533202 | 350 | sdi->status = SR_ST_INACTIVE; |
39cfdd75 | 351 | devices = g_slist_append(devices, sdi); |
d0eec1ee | 352 | sdi->inst_type = SR_INST_USB; |
c118080b | 353 | sdi->conn = sr_usb_dev_inst_new( |
3b533202 BV |
354 | libusb_get_bus_number(devlist[i]), |
355 | libusb_get_device_address(devlist[i]), NULL); | |
3b533202 BV |
356 | break; |
357 | } | |
358 | } | |
359 | if (!prof) | |
360 | /* not a supported VID/PID */ | |
361 | continue; | |
362 | } | |
363 | libusb_free_device_list(devlist, 1); | |
364 | ||
15a5bfe4 | 365 | return std_scan_complete(di, devices); |
3b533202 BV |
366 | } |
367 | ||
6078d2c9 | 368 | static int dev_open(struct sr_dev_inst *sdi) |
3b533202 | 369 | { |
269971dd | 370 | struct dev_context *devc; |
c118080b | 371 | struct sr_usb_dev_inst *usb; |
fc8fe3e3 BV |
372 | int64_t timediff_us, timediff_ms; |
373 | int err; | |
3b533202 | 374 | |
269971dd | 375 | devc = sdi->priv; |
c118080b | 376 | usb = sdi->conn; |
3b533202 BV |
377 | |
378 | /* | |
e98b7f1b UH |
379 | * If the firmware was recently uploaded, wait up to MAX_RENUM_DELAY_MS |
380 | * for the FX2 to renumerate. | |
3b533202 | 381 | */ |
fc8fe3e3 | 382 | err = SR_ERR; |
269971dd | 383 | if (devc->fw_updated > 0) { |
e98b7f1b UH |
384 | sr_info("Waiting for device to reset."); |
385 | /* Takes >= 300ms for the FX2 to be gone from the USB bus. */ | |
3b533202 | 386 | g_usleep(300 * 1000); |
fc8fe3e3 BV |
387 | timediff_ms = 0; |
388 | while (timediff_ms < MAX_RENUM_DELAY_MS) { | |
25a0f108 | 389 | if ((err = dso_open(sdi)) == SR_OK) |
3b533202 BV |
390 | break; |
391 | g_usleep(100 * 1000); | |
269971dd | 392 | timediff_us = g_get_monotonic_time() - devc->fw_updated; |
fc8fe3e3 | 393 | timediff_ms = timediff_us / 1000; |
e98b7f1b | 394 | sr_spew("Waited %" PRIi64 " ms.", timediff_ms); |
3b533202 | 395 | } |
6433156c | 396 | sr_info("Device came back after %" PRIi64 " ms.", timediff_ms); |
3b533202 | 397 | } else { |
25a0f108 | 398 | err = dso_open(sdi); |
3b533202 BV |
399 | } |
400 | ||
401 | if (err != SR_OK) { | |
e98b7f1b | 402 | sr_err("Unable to open device."); |
3b533202 BV |
403 | return SR_ERR; |
404 | } | |
405 | ||
c118080b | 406 | err = libusb_claim_interface(usb->devhdl, USB_INTERFACE); |
3b533202 | 407 | if (err != 0) { |
d4928d71 | 408 | sr_err("Unable to claim interface: %s.", |
d9251a2c | 409 | libusb_error_name(err)); |
3b533202 BV |
410 | return SR_ERR; |
411 | } | |
412 | ||
413 | return SR_OK; | |
414 | } | |
415 | ||
6078d2c9 | 416 | static int dev_close(struct sr_dev_inst *sdi) |
3b533202 | 417 | { |
3b533202 BV |
418 | dso_close(sdi); |
419 | ||
420 | return SR_OK; | |
421 | } | |
422 | ||
dd7a72ea UH |
423 | static int config_get(uint32_t key, GVariant **data, |
424 | const struct sr_dev_inst *sdi, const struct sr_channel_group *cg) | |
79917848 | 425 | { |
933defaa | 426 | struct dev_context *devc; |
624f5b4c | 427 | struct sr_usb_dev_inst *usb; |
2c240774 | 428 | const char *s; |
933defaa BV |
429 | const uint64_t *vdiv; |
430 | int ch_idx; | |
79917848 | 431 | |
584560f1 | 432 | switch (key) { |
bf622e6d | 433 | case SR_CONF_NUM_HDIV: |
79917848 BV |
434 | *data = g_variant_new_int32(NUM_TIMEBASE); |
435 | break; | |
436 | case SR_CONF_NUM_VDIV: | |
437 | *data = g_variant_new_int32(NUM_VDIV); | |
438 | break; | |
933defaa BV |
439 | } |
440 | ||
441 | if (!sdi) | |
442 | return SR_ERR_ARG; | |
443 | ||
444 | devc = sdi->priv; | |
445 | if (!cg) { | |
446 | switch (key) { | |
12f62ce6 PM |
447 | case SR_CONF_TRIGGER_LEVEL: |
448 | *data = g_variant_new_double(devc->voffset_trigger); | |
449 | break; | |
933defaa BV |
450 | case SR_CONF_CONN: |
451 | if (!sdi->conn) | |
452 | return SR_ERR_ARG; | |
453 | usb = sdi->conn; | |
454 | if (usb->address == 255) | |
455 | /* Device still needs to re-enumerate after firmware | |
456 | * upload, so we don't know its (future) address. */ | |
457 | return SR_ERR; | |
95c1fe62 | 458 | *data = g_variant_new_printf("%d.%d", usb->bus, usb->address); |
933defaa BV |
459 | break; |
460 | case SR_CONF_TIMEBASE: | |
461 | *data = g_variant_new("(tt)", timebases[devc->timebase][0], | |
462 | timebases[devc->timebase][1]); | |
463 | break; | |
3b2b7031 | 464 | case SR_CONF_SAMPLERATE: |
11e33196 | 465 | *data = g_variant_new_uint64(devc->samplerate); |
3b2b7031 | 466 | break; |
933defaa BV |
467 | case SR_CONF_BUFFERSIZE: |
468 | *data = g_variant_new_uint64(devc->framesize); | |
469 | break; | |
470 | case SR_CONF_TRIGGER_SOURCE: | |
471 | *data = g_variant_new_string(devc->triggersource); | |
472 | break; | |
473 | case SR_CONF_TRIGGER_SLOPE: | |
c442ffda | 474 | s = (devc->triggerslope == SLOPE_POSITIVE) ? "r" : "f"; |
933defaa BV |
475 | *data = g_variant_new_string(s); |
476 | break; | |
95983cc3 PM |
477 | case SR_CONF_CAPTURE_RATIO: |
478 | *data = g_variant_new_uint64(devc->capture_ratio); | |
933defaa | 479 | break; |
50bc52f3 VO |
480 | case SR_CONF_LIMIT_FRAMES: |
481 | *data = g_variant_new_uint64(devc->limit_frames); | |
482 | break; | |
933defaa BV |
483 | default: |
484 | return SR_ERR_NA; | |
485 | } | |
486 | } else { | |
487 | if (sdi->channel_groups->data == cg) | |
488 | ch_idx = 0; | |
489 | else if (sdi->channel_groups->next->data == cg) | |
490 | ch_idx = 1; | |
491 | else | |
492 | return SR_ERR_ARG; | |
0c5f2abc | 493 | switch (key) { |
933defaa BV |
494 | case SR_CONF_FILTER: |
495 | *data = g_variant_new_boolean(devc->filter[ch_idx]); | |
496 | break; | |
497 | case SR_CONF_VDIV: | |
498 | vdiv = vdivs[devc->voltage[ch_idx]]; | |
499 | *data = g_variant_new("(tt)", vdiv[0], vdiv[1]); | |
500 | break; | |
501 | case SR_CONF_COUPLING: | |
502 | *data = g_variant_new_string(coupling[devc->coupling[ch_idx]]); | |
503 | break; | |
504 | } | |
79917848 BV |
505 | } |
506 | ||
507 | return SR_OK; | |
508 | } | |
509 | ||
dd7a72ea UH |
510 | static int config_set(uint32_t key, GVariant *data, |
511 | const struct sr_dev_inst *sdi, const struct sr_channel_group *cg) | |
3b533202 | 512 | { |
269971dd | 513 | struct dev_context *devc; |
697fb6dd | 514 | int ch_idx, idx; |
12f62ce6 | 515 | float flt; |
8f996b89 | 516 | |
269971dd | 517 | devc = sdi->priv; |
933defaa BV |
518 | if (!cg) { |
519 | switch (key) { | |
520 | case SR_CONF_LIMIT_FRAMES: | |
521 | devc->limit_frames = g_variant_get_uint64(data); | |
522 | break; | |
12f62ce6 PM |
523 | case SR_CONF_TRIGGER_LEVEL: |
524 | flt = g_variant_get_double(data); | |
525 | if (flt < 0.0 || flt > 1.0) { | |
526 | sr_err("Trigger level must be in [0.0,1.0]."); | |
527 | return SR_ERR_ARG; | |
528 | } | |
12f62ce6 | 529 | devc->voffset_trigger = flt; |
ab8df2b1 UH |
530 | if (dso_set_voffsets(sdi) != SR_OK) |
531 | return SR_ERR; | |
12f62ce6 | 532 | break; |
933defaa | 533 | case SR_CONF_TRIGGER_SLOPE: |
697fb6dd | 534 | if ((idx = std_str_idx(data, ARRAY_AND_SIZE(trigger_slopes))) < 0) |
933defaa | 535 | return SR_ERR_ARG; |
db85496e | 536 | devc->triggerslope = idx; |
933defaa | 537 | break; |
95983cc3 | 538 | case SR_CONF_CAPTURE_RATIO: |
04069272 | 539 | devc->capture_ratio = g_variant_get_uint64(data); |
933defaa BV |
540 | break; |
541 | case SR_CONF_BUFFERSIZE: | |
697fb6dd | 542 | if ((idx = std_u64_idx(data, devc->profile->buffersizes, NUM_BUFFER_SIZES)) < 0) |
a9010323 | 543 | return SR_ERR_ARG; |
697fb6dd | 544 | devc->framesize = devc->profile->buffersizes[idx]; |
933defaa BV |
545 | break; |
546 | case SR_CONF_TIMEBASE: | |
697fb6dd | 547 | if ((idx = std_u64_tuple_idx(data, ARRAY_AND_SIZE(timebases))) < 0) |
a9010323 | 548 | return SR_ERR_ARG; |
697fb6dd | 549 | devc->timebase = idx; |
933defaa | 550 | break; |
11e33196 PM |
551 | case SR_CONF_SAMPLERATE: |
552 | if ((idx = std_u64_idx(data, ARRAY_AND_SIZE(samplerates))) < 0) | |
553 | return SR_ERR_ARG; | |
554 | devc->samplerate = samplerates[idx]; | |
555 | if (dso_set_trigger_samplerate(sdi) != SR_OK) | |
556 | return SR_ERR; | |
557 | break; | |
933defaa | 558 | case SR_CONF_TRIGGER_SOURCE: |
697fb6dd | 559 | if ((idx = std_str_idx(data, ARRAY_AND_SIZE(trigger_sources))) < 0) |
a9010323 | 560 | return SR_ERR_ARG; |
697fb6dd | 561 | devc->triggersource = g_strdup(trigger_sources[idx]); |
933defaa BV |
562 | break; |
563 | default: | |
a9010323 | 564 | return SR_ERR_NA; |
ebb781a6 | 565 | } |
933defaa BV |
566 | } else { |
567 | if (sdi->channel_groups->data == cg) | |
568 | ch_idx = 0; | |
569 | else if (sdi->channel_groups->next->data == cg) | |
570 | ch_idx = 1; | |
571 | else | |
572 | return SR_ERR_ARG; | |
573 | switch (key) { | |
574 | case SR_CONF_FILTER: | |
575 | devc->filter[ch_idx] = g_variant_get_boolean(data); | |
576 | break; | |
577 | case SR_CONF_VDIV: | |
697fb6dd | 578 | if ((idx = std_u64_tuple_idx(data, ARRAY_AND_SIZE(vdivs))) < 0) |
a9010323 | 579 | return SR_ERR_ARG; |
697fb6dd | 580 | devc->voltage[ch_idx] = idx; |
933defaa BV |
581 | break; |
582 | case SR_CONF_COUPLING: | |
697fb6dd | 583 | if ((idx = std_str_idx(data, ARRAY_AND_SIZE(coupling))) < 0) |
a9010323 | 584 | return SR_ERR_ARG; |
697fb6dd | 585 | devc->coupling[ch_idx] = idx; |
933defaa BV |
586 | break; |
587 | default: | |
a9010323 | 588 | return SR_ERR_NA; |
b58fbd99 | 589 | } |
3b533202 BV |
590 | } |
591 | ||
a9010323 | 592 | return SR_OK; |
3b533202 BV |
593 | } |
594 | ||
dd7a72ea UH |
595 | static int config_list(uint32_t key, GVariant **data, |
596 | const struct sr_dev_inst *sdi, const struct sr_channel_group *cg) | |
a1c743fc | 597 | { |
034accb5 | 598 | struct dev_context *devc; |
a1c743fc | 599 | |
933defaa | 600 | if (!cg) { |
93b118da | 601 | switch (key) { |
e66d1892 | 602 | case SR_CONF_SCAN_OPTIONS: |
933defaa | 603 | case SR_CONF_DEVICE_OPTIONS: |
e66d1892 | 604 | return STD_CONFIG_LIST(key, data, sdi, cg, scanopts, drvopts, devopts); |
933defaa BV |
605 | case SR_CONF_BUFFERSIZE: |
606 | if (!sdi) | |
607 | return SR_ERR_ARG; | |
608 | devc = sdi->priv; | |
105df674 | 609 | *data = std_gvar_array_u64(devc->profile->buffersizes, NUM_BUFFER_SIZES); |
933defaa | 610 | break; |
11e33196 PM |
611 | case SR_CONF_SAMPLERATE: |
612 | *data = std_gvar_samplerates(ARRAY_AND_SIZE(samplerates)); | |
613 | break; | |
933defaa | 614 | case SR_CONF_TIMEBASE: |
58ffcf97 | 615 | *data = std_gvar_tuple_array(ARRAY_AND_SIZE(timebases)); |
933defaa BV |
616 | break; |
617 | case SR_CONF_TRIGGER_SOURCE: | |
53012da6 | 618 | *data = g_variant_new_strv(ARRAY_AND_SIZE(trigger_sources)); |
933defaa BV |
619 | break; |
620 | case SR_CONF_TRIGGER_SLOPE: | |
53012da6 | 621 | *data = g_variant_new_strv(ARRAY_AND_SIZE(trigger_slopes)); |
933defaa BV |
622 | break; |
623 | default: | |
624 | return SR_ERR_NA; | |
3973ee26 | 625 | } |
933defaa | 626 | } else { |
93b118da | 627 | switch (key) { |
933defaa | 628 | case SR_CONF_DEVICE_OPTIONS: |
53012da6 | 629 | *data = std_gvar_array_u32(ARRAY_AND_SIZE(devopts_cg)); |
933defaa BV |
630 | break; |
631 | case SR_CONF_COUPLING: | |
53012da6 | 632 | *data = g_variant_new_strv(ARRAY_AND_SIZE(coupling)); |
933defaa BV |
633 | break; |
634 | case SR_CONF_VDIV: | |
58ffcf97 | 635 | *data = std_gvar_tuple_array(ARRAY_AND_SIZE(vdivs)); |
933defaa BV |
636 | break; |
637 | default: | |
638 | return SR_ERR_NA; | |
3973ee26 | 639 | } |
a1c743fc BV |
640 | } |
641 | ||
642 | return SR_OK; | |
643 | } | |
644 | ||
69e19dd7 | 645 | static void send_chunk(struct sr_dev_inst *sdi, unsigned char *buf, |
e749a8cb | 646 | int num_samples) |
3b533202 BV |
647 | { |
648 | struct sr_datafeed_packet packet; | |
ae7d8a58 UH |
649 | struct sr_datafeed_analog analog; |
650 | struct sr_analog_encoding encoding; | |
651 | struct sr_analog_meaning meaning; | |
652 | struct sr_analog_spec spec; | |
417412c8 AJ |
653 | struct dev_context *devc = sdi->priv; |
654 | GSList *channels = devc->enabled_channels; | |
3b533202 | 655 | |
ae7d8a58 | 656 | packet.type = SR_DF_ANALOG; |
3b533202 | 657 | packet.payload = &analog; |
6e71ef3b | 658 | /* TODO: support for 5xxx series 9-bit samples */ |
ae7d8a58 | 659 | sr_analog_init(&analog, &encoding, &meaning, &spec, 0); |
e749a8cb | 660 | analog.num_samples = num_samples; |
ae7d8a58 UH |
661 | analog.meaning->mq = SR_MQ_VOLTAGE; |
662 | analog.meaning->unit = SR_UNIT_VOLT; | |
663 | analog.meaning->mqflags = 0; | |
886a52b6 | 664 | /* TODO: Check malloc return value. */ |
417412c8 AJ |
665 | analog.data = g_try_malloc(num_samples * sizeof(float)); |
666 | ||
b3fd0993 | 667 | for (int ch = 0; ch < NUM_CHANNELS; ch++) { |
417412c8 AJ |
668 | if (!devc->ch_enabled[ch]) |
669 | continue; | |
670 | ||
671 | float range = ((float)vdivs[devc->voltage[ch]][0] / vdivs[devc->voltage[ch]][1]) * 8; | |
672 | float vdivlog = log10f(range / 255); | |
673 | int digits = -(int)vdivlog + (vdivlog < 0.0); | |
674 | analog.encoding->digits = digits; | |
675 | analog.spec->spec_digits = digits; | |
676 | analog.meaning->channels = g_slist_append(NULL, channels->data); | |
677 | ||
678 | for (int i = 0; i < num_samples; i++) { | |
679 | /* | |
680 | * The device always sends data for both channels. If a channel | |
681 | * is disabled, it contains a copy of the enabled channel's | |
682 | * data. However, we only send the requested channels to | |
683 | * the bus. | |
684 | * | |
685 | * Voltage values are encoded as a value 0-255 (0-512 on the | |
686 | * DSO-5200*), where the value is a point in the range | |
687 | * represented by the vdiv setting. There are 8 vertical divs, | |
688 | * so e.g. 500mV/div represents 4V peak-to-peak where 0 = -2V | |
689 | * and 255 = +2V. | |
690 | */ | |
691 | /* TODO: Support for DSO-5xxx series 9-bit samples. */ | |
692 | ((float *)analog.data)[i] = range / 255 * *(buf + i * 2 + 1 - ch) - range / 2; | |
6e71ef3b | 693 | } |
417412c8 AJ |
694 | sr_session_send(sdi, &packet); |
695 | g_slist_free(analog.meaning->channels); | |
696 | ||
697 | channels = channels->next; | |
3b533202 | 698 | } |
1e6b5b93 | 699 | g_free(analog.data); |
e749a8cb BV |
700 | } |
701 | ||
e98b7f1b UH |
702 | /* |
703 | * Called by libusb (as triggered by handle_event()) when a transfer comes in. | |
e749a8cb | 704 | * Only channel data comes in asynchronously, and all transfers for this are |
e98b7f1b | 705 | * queued up beforehand, so this just needs to chuck the incoming data onto |
e749a8cb BV |
706 | * the libsigrok session bus. |
707 | */ | |
55462b8b | 708 | static void LIBUSB_CALL receive_transfer(struct libusb_transfer *transfer) |
e749a8cb | 709 | { |
69e19dd7 | 710 | struct sr_dev_inst *sdi; |
269971dd | 711 | struct dev_context *devc; |
e749a8cb BV |
712 | int num_samples, pre; |
713 | ||
69e19dd7 BV |
714 | sdi = transfer->user_data; |
715 | devc = sdi->priv; | |
eb8e6cd2 UH |
716 | sr_spew("receive_transfer(): status %s received %d bytes.", |
717 | libusb_error_name(transfer->status), transfer->actual_length); | |
e749a8cb BV |
718 | |
719 | if (transfer->actual_length == 0) | |
720 | /* Nothing to send to the bus. */ | |
721 | return; | |
722 | ||
723 | num_samples = transfer->actual_length / 2; | |
724 | ||
d4007311 | 725 | sr_spew("Got %d-%d/%d samples in frame.", devc->samp_received + 1, |
d9251a2c | 726 | devc->samp_received + num_samples, devc->framesize); |
e749a8cb | 727 | |
e98b7f1b UH |
728 | /* |
729 | * The device always sends a full frame, but the beginning of the frame | |
e749a8cb BV |
730 | * doesn't represent the trigger point. The offset at which the trigger |
731 | * happened came in with the capture state, so we need to start sending | |
e98b7f1b UH |
732 | * from there up the session bus. The samples in the frame buffer |
733 | * before that trigger point came after the end of the device's frame | |
734 | * buffer was reached, and it wrapped around to overwrite up until the | |
735 | * trigger point. | |
e749a8cb | 736 | */ |
269971dd | 737 | if (devc->samp_received < devc->trigger_offset) { |
e749a8cb | 738 | /* Trigger point not yet reached. */ |
269971dd | 739 | if (devc->samp_received + num_samples < devc->trigger_offset) { |
e749a8cb | 740 | /* The entire chunk is before the trigger point. */ |
269971dd | 741 | memcpy(devc->framebuf + devc->samp_buffered * 2, |
e749a8cb | 742 | transfer->buffer, num_samples * 2); |
269971dd | 743 | devc->samp_buffered += num_samples; |
e749a8cb | 744 | } else { |
e98b7f1b UH |
745 | /* |
746 | * This chunk hits or overruns the trigger point. | |
e749a8cb | 747 | * Store the part before the trigger fired, and |
e98b7f1b UH |
748 | * send the rest up to the session bus. |
749 | */ | |
269971dd BV |
750 | pre = devc->trigger_offset - devc->samp_received; |
751 | memcpy(devc->framebuf + devc->samp_buffered * 2, | |
e749a8cb | 752 | transfer->buffer, pre * 2); |
269971dd | 753 | devc->samp_buffered += pre; |
e749a8cb BV |
754 | |
755 | /* The rest of this chunk starts with the trigger point. */ | |
e98b7f1b | 756 | sr_dbg("Reached trigger point, %d samples buffered.", |
d9251a2c | 757 | devc->samp_buffered); |
e749a8cb BV |
758 | |
759 | /* Avoid the corner case where the chunk ended at | |
760 | * exactly the trigger point. */ | |
761 | if (num_samples > pre) | |
69e19dd7 | 762 | send_chunk(sdi, transfer->buffer + pre * 2, |
e749a8cb BV |
763 | num_samples - pre); |
764 | } | |
765 | } else { | |
766 | /* Already past the trigger point, just send it all out. */ | |
a95f142e | 767 | send_chunk(sdi, transfer->buffer, num_samples); |
e749a8cb BV |
768 | } |
769 | ||
269971dd | 770 | devc->samp_received += num_samples; |
e749a8cb BV |
771 | |
772 | /* Everything in this transfer was either copied to the buffer or | |
773 | * sent to the session bus. */ | |
3b533202 BV |
774 | g_free(transfer->buffer); |
775 | libusb_free_transfer(transfer); | |
3b533202 | 776 | |
269971dd | 777 | if (devc->samp_received >= devc->framesize) { |
e749a8cb BV |
778 | /* That was the last chunk in this frame. Send the buffered |
779 | * pre-trigger samples out now, in one big chunk. */ | |
e98b7f1b | 780 | sr_dbg("End of frame, sending %d pre-trigger buffered samples.", |
d9251a2c | 781 | devc->samp_buffered); |
69e19dd7 | 782 | send_chunk(sdi, devc->framebuf, devc->samp_buffered); |
16a1dca4 PM |
783 | g_free(devc->framebuf); |
784 | devc->framebuf = NULL; | |
e749a8cb BV |
785 | |
786 | /* Mark the end of this frame. */ | |
4c5f7006 | 787 | std_session_send_df_frame_end(sdi); |
ae88b97b | 788 | |
8f484ca7 | 789 | if (devc->limit_frames && ++devc->num_frames >= devc->limit_frames) { |
ae88b97b | 790 | /* Terminate session */ |
a3508e33 | 791 | devc->dev_state = STOPPING; |
ae88b97b | 792 | } else { |
269971dd | 793 | devc->dev_state = NEW_CAPTURE; |
ae88b97b BV |
794 | } |
795 | } | |
3b533202 BV |
796 | } |
797 | ||
798 | static int handle_event(int fd, int revents, void *cb_data) | |
799 | { | |
a3508e33 | 800 | const struct sr_dev_inst *sdi; |
3b533202 | 801 | struct timeval tv; |
4f840ce9 | 802 | struct sr_dev_driver *di; |
269971dd | 803 | struct dev_context *devc; |
4f840ce9 | 804 | struct drv_context *drvc; |
ba7dd8bb | 805 | int num_channels; |
6e6eeff4 BV |
806 | uint32_t trigger_offset; |
807 | uint8_t capturestate; | |
3b533202 | 808 | |
3b533202 BV |
809 | (void)fd; |
810 | (void)revents; | |
811 | ||
269971dd | 812 | sdi = cb_data; |
4f840ce9 | 813 | di = sdi->driver; |
41812aca | 814 | drvc = di->context; |
269971dd | 815 | devc = sdi->priv; |
a3508e33 BV |
816 | if (devc->dev_state == STOPPING) { |
817 | /* We've been told to wind up the acquisition. */ | |
e98b7f1b UH |
818 | sr_dbg("Stopping acquisition."); |
819 | /* | |
820 | * TODO: Doesn't really cancel pending transfers so they might | |
821 | * come in after SR_DF_END is sent. | |
822 | */ | |
102f1239 | 823 | usb_source_remove(sdi->session, drvc->sr_ctx); |
a3508e33 | 824 | |
bee2b016 | 825 | std_session_send_df_end(sdi); |
a3508e33 BV |
826 | |
827 | devc->dev_state = IDLE; | |
828 | ||
829 | return TRUE; | |
830 | } | |
831 | ||
3b533202 BV |
832 | /* Always handle pending libusb events. */ |
833 | tv.tv_sec = tv.tv_usec = 0; | |
d4abb463 | 834 | libusb_handle_events_timeout(drvc->sr_ctx->libusb_ctx, &tv); |
3b533202 | 835 | |
3b533202 | 836 | /* TODO: ugh */ |
269971dd | 837 | if (devc->dev_state == NEW_CAPTURE) { |
c118080b | 838 | if (dso_capture_start(sdi) != SR_OK) |
3b533202 | 839 | return TRUE; |
c118080b | 840 | if (dso_enable_trigger(sdi) != SR_OK) |
3b533202 | 841 | return TRUE; |
c118080b | 842 | // if (dso_force_trigger(sdi) != SR_OK) |
a370ef19 | 843 | // return TRUE; |
e98b7f1b | 844 | sr_dbg("Successfully requested next chunk."); |
269971dd | 845 | devc->dev_state = CAPTURE; |
3b533202 BV |
846 | return TRUE; |
847 | } | |
269971dd | 848 | if (devc->dev_state != CAPTURE) |
3b533202 BV |
849 | return TRUE; |
850 | ||
c118080b | 851 | if ((dso_get_capturestate(sdi, &capturestate, &trigger_offset)) != SR_OK) |
3b533202 | 852 | return TRUE; |
3b533202 | 853 | |
e98b7f1b UH |
854 | sr_dbg("Capturestate %d.", capturestate); |
855 | sr_dbg("Trigger offset 0x%.6x.", trigger_offset); | |
3b533202 BV |
856 | switch (capturestate) { |
857 | case CAPTURE_EMPTY: | |
269971dd BV |
858 | if (++devc->capture_empty_count >= MAX_CAPTURE_EMPTY) { |
859 | devc->capture_empty_count = 0; | |
c118080b | 860 | if (dso_capture_start(sdi) != SR_OK) |
3b533202 | 861 | break; |
c118080b | 862 | if (dso_enable_trigger(sdi) != SR_OK) |
3b533202 | 863 | break; |
c118080b | 864 | // if (dso_force_trigger(sdi) != SR_OK) |
a370ef19 | 865 | // break; |
e98b7f1b | 866 | sr_dbg("Successfully requested next chunk."); |
3b533202 BV |
867 | } |
868 | break; | |
869 | case CAPTURE_FILLING: | |
e98b7f1b | 870 | /* No data yet. */ |
3b533202 BV |
871 | break; |
872 | case CAPTURE_READY_8BIT: | |
ab8df2b1 | 873 | case CAPTURE_READY_2250: |
e749a8cb | 874 | /* Remember where in the captured frame the trigger is. */ |
269971dd | 875 | devc->trigger_offset = trigger_offset; |
e749a8cb | 876 | |
417412c8 | 877 | num_channels = (devc->ch_enabled[0] && devc->ch_enabled[1]) ? 2 : 1; |
a95f142e | 878 | devc->framebuf = g_malloc(devc->framesize * num_channels * 2); |
269971dd | 879 | devc->samp_buffered = devc->samp_received = 0; |
e749a8cb | 880 | |
3b533202 | 881 | /* Tell the scope to send us the first frame. */ |
69e19dd7 | 882 | if (dso_get_channeldata(sdi, receive_transfer) != SR_OK) |
3b533202 | 883 | break; |
ae88b97b | 884 | |
e98b7f1b UH |
885 | /* |
886 | * Don't hit the state machine again until we're done fetching | |
ae88b97b BV |
887 | * the data we just told the scope to send. |
888 | */ | |
269971dd | 889 | devc->dev_state = FETCH_DATA; |
ae88b97b BV |
890 | |
891 | /* Tell the frontend a new frame is on the way. */ | |
4c5f7006 | 892 | std_session_send_df_frame_begin(sdi); |
3b533202 BV |
893 | break; |
894 | case CAPTURE_READY_9BIT: | |
895 | /* TODO */ | |
e98b7f1b | 896 | sr_err("Not yet supported."); |
3b533202 BV |
897 | break; |
898 | case CAPTURE_TIMEOUT: | |
899 | /* Doesn't matter, we'll try again next time. */ | |
900 | break; | |
901 | default: | |
e98b7f1b UH |
902 | sr_dbg("Unknown capture state: %d.", capturestate); |
903 | break; | |
3b533202 BV |
904 | } |
905 | ||
906 | return TRUE; | |
907 | } | |
908 | ||
695dc859 | 909 | static int dev_acquisition_start(const struct sr_dev_inst *sdi) |
3b533202 | 910 | { |
269971dd | 911 | struct dev_context *devc; |
4f840ce9 | 912 | struct sr_dev_driver *di = sdi->driver; |
41812aca | 913 | struct drv_context *drvc = di->context; |
3b533202 | 914 | |
269971dd | 915 | devc = sdi->priv; |
3b533202 | 916 | |
ba7dd8bb UH |
917 | if (configure_channels(sdi) != SR_OK) { |
918 | sr_err("Failed to configure channels."); | |
014359e3 BV |
919 | return SR_ERR; |
920 | } | |
921 | ||
c118080b | 922 | if (dso_init(sdi) != SR_OK) |
3b533202 BV |
923 | return SR_ERR; |
924 | ||
c118080b | 925 | if (dso_capture_start(sdi) != SR_OK) |
3b533202 BV |
926 | return SR_ERR; |
927 | ||
269971dd | 928 | devc->dev_state = CAPTURE; |
102f1239 | 929 | usb_source_add(sdi->session, drvc->sr_ctx, TICK, handle_event, (void *)sdi); |
3b533202 | 930 | |
bee2b016 | 931 | std_session_send_df_header(sdi); |
3b533202 | 932 | |
3b533202 BV |
933 | return SR_OK; |
934 | } | |
935 | ||
695dc859 | 936 | static int dev_acquisition_stop(struct sr_dev_inst *sdi) |
3b533202 | 937 | { |
269971dd BV |
938 | struct dev_context *devc; |
939 | ||
a3508e33 BV |
940 | devc = sdi->priv; |
941 | devc->dev_state = STOPPING; | |
8f484ca7 | 942 | devc->num_frames = 0; |
3b533202 BV |
943 | |
944 | return SR_OK; | |
945 | } | |
946 | ||
dd5c48a6 | 947 | static struct sr_dev_driver hantek_dso_driver_info = { |
3b533202 BV |
948 | .name = "hantek-dso", |
949 | .longname = "Hantek DSO", | |
950 | .api_version = 1, | |
c2fdcc25 | 951 | .init = std_init, |
700d6b64 | 952 | .cleanup = std_cleanup, |
6078d2c9 | 953 | .scan = scan, |
c01bf34c | 954 | .dev_list = std_dev_list, |
3b412e3a | 955 | .dev_clear = dev_clear, |
79917848 | 956 | .config_get = config_get, |
035a1078 | 957 | .config_set = config_set, |
a1c743fc | 958 | .config_list = config_list, |
6078d2c9 UH |
959 | .dev_open = dev_open, |
960 | .dev_close = dev_close, | |
961 | .dev_acquisition_start = dev_acquisition_start, | |
962 | .dev_acquisition_stop = dev_acquisition_stop, | |
41812aca | 963 | .context = NULL, |
3b533202 | 964 | }; |
dd5c48a6 | 965 | SR_REGISTER_DEV_DRIVER(hantek_dso_driver_info); |