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3b533202 | 1 | /* |
50985c20 | 2 | * This file is part of the libsigrok project. |
3b533202 BV |
3 | * |
4 | * Copyright (C) 2012 Bert Vermeulen <bert@biot.com> | |
5 | * | |
6 | * This program is free software: you can redistribute it and/or modify | |
7 | * it under the terms of the GNU General Public License as published by | |
8 | * the Free Software Foundation, either version 3 of the License, or | |
9 | * (at your option) any later version. | |
10 | * | |
11 | * This program is distributed in the hope that it will be useful, | |
12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
14 | * GNU General Public License for more details. | |
15 | * | |
16 | * You should have received a copy of the GNU General Public License | |
17 | * along with this program. If not, see <http://www.gnu.org/licenses/>. | |
18 | */ | |
19 | ||
20 | #include <stdio.h> | |
21 | #include <stdint.h> | |
22 | #include <stdlib.h> | |
23 | #include <sys/types.h> | |
24 | #include <sys/stat.h> | |
25 | #include <fcntl.h> | |
26 | #include <unistd.h> | |
27 | #include <string.h> | |
28 | #include <sys/time.h> | |
29 | #include <inttypes.h> | |
3b533202 BV |
30 | #include <glib.h> |
31 | #include <libusb.h> | |
45c59c8b BV |
32 | #include "libsigrok.h" |
33 | #include "libsigrok-internal.h" | |
3b533202 BV |
34 | #include "dso.h" |
35 | ||
fc8fe3e3 BV |
36 | /* Max time in ms before we want to check on USB events */ |
37 | /* TODO tune this properly */ | |
e98b7f1b | 38 | #define TICK 1 |
3b533202 | 39 | |
79917848 BV |
40 | #define NUM_TIMEBASE 10 |
41 | #define NUM_VDIV 8 | |
42 | ||
584560f1 | 43 | static const uint32_t scanopts[] = { |
624f5b4c BV |
44 | SR_CONF_CONN, |
45 | }; | |
46 | ||
584560f1 | 47 | static const uint32_t devopts[] = { |
1953564a | 48 | SR_CONF_OSCILLOSCOPE, |
1953564a | 49 | SR_CONF_CONTINUOUS, |
5827f61b BV |
50 | SR_CONF_CONN | SR_CONF_GET, |
51 | SR_CONF_LIMIT_FRAMES | SR_CONF_SET, | |
52 | SR_CONF_TIMEBASE | SR_CONF_SET | SR_CONF_LIST, | |
53 | SR_CONF_BUFFERSIZE | SR_CONF_SET | SR_CONF_LIST, | |
54 | SR_CONF_TRIGGER_SOURCE | SR_CONF_SET | SR_CONF_LIST, | |
55 | SR_CONF_TRIGGER_SLOPE | SR_CONF_SET, | |
56 | SR_CONF_HORIZ_TRIGGERPOS | SR_CONF_SET, | |
57 | SR_CONF_FILTER | SR_CONF_SET | SR_CONF_LIST, | |
58 | SR_CONF_VDIV | SR_CONF_SET | SR_CONF_LIST, | |
59 | SR_CONF_COUPLING | SR_CONF_SET | SR_CONF_LIST, | |
60 | SR_CONF_NUM_TIMEBASE | SR_CONF_GET, | |
61 | SR_CONF_NUM_VDIV | SR_CONF_GET, | |
3b533202 BV |
62 | }; |
63 | ||
ba7dd8bb | 64 | static const char *channel_names[] = { |
78693401 | 65 | "CH1", "CH2", |
3b533202 BV |
66 | NULL, |
67 | }; | |
68 | ||
034accb5 BV |
69 | static const uint64_t buffersizes_32k[] = { |
70 | 10240, 32768, | |
71 | }; | |
72 | static const uint64_t buffersizes_512k[] = { | |
73 | 10240, 524288, | |
74 | }; | |
75 | static const uint64_t buffersizes_14k[] = { | |
76 | 10240, 14336, | |
77 | }; | |
78 | ||
62bb8840 | 79 | static const struct dso_profile dev_profiles[] = { |
88a13f30 | 80 | { 0x04b4, 0x2090, 0x04b5, 0x2090, |
3b533202 | 81 | "Hantek", "DSO-2090", |
034accb5 | 82 | buffersizes_32k, |
7b78b2f7 | 83 | FIRMWARE_DIR "/hantek-dso-2090.fw" }, |
88a13f30 BV |
84 | { 0x04b4, 0x2150, 0x04b5, 0x2150, |
85 | "Hantek", "DSO-2150", | |
034accb5 | 86 | buffersizes_32k, |
7b78b2f7 | 87 | FIRMWARE_DIR "/hantek-dso-2150.fw" }, |
88a13f30 BV |
88 | { 0x04b4, 0x2250, 0x04b5, 0x2250, |
89 | "Hantek", "DSO-2250", | |
034accb5 | 90 | buffersizes_512k, |
7b78b2f7 | 91 | FIRMWARE_DIR "/hantek-dso-2250.fw" }, |
88a13f30 BV |
92 | { 0x04b4, 0x5200, 0x04b5, 0x5200, |
93 | "Hantek", "DSO-5200", | |
034accb5 | 94 | buffersizes_14k, |
7b78b2f7 | 95 | FIRMWARE_DIR "/hantek-dso-5200.fw" }, |
88a13f30 BV |
96 | { 0x04b4, 0x520a, 0x04b5, 0x520a, |
97 | "Hantek", "DSO-5200A", | |
034accb5 | 98 | buffersizes_512k, |
7b78b2f7 | 99 | FIRMWARE_DIR "/hantek-dso-5200A.fw" }, |
034accb5 | 100 | { 0, 0, 0, 0, 0, 0, 0, 0 }, |
a370ef19 BV |
101 | }; |
102 | ||
86bb3f4a | 103 | static const uint64_t timebases[][2] = { |
a370ef19 BV |
104 | /* microseconds */ |
105 | { 10, 1000000 }, | |
106 | { 20, 1000000 }, | |
107 | { 40, 1000000 }, | |
108 | { 100, 1000000 }, | |
109 | { 200, 1000000 }, | |
110 | { 400, 1000000 }, | |
111 | /* milliseconds */ | |
112 | { 1, 1000 }, | |
113 | { 2, 1000 }, | |
114 | { 4, 1000 }, | |
115 | { 10, 1000 }, | |
116 | { 20, 1000 }, | |
117 | { 40, 1000 }, | |
118 | { 100, 1000 }, | |
119 | { 200, 1000 }, | |
120 | { 400, 1000 }, | |
a370ef19 BV |
121 | }; |
122 | ||
86bb3f4a | 123 | static const uint64_t vdivs[][2] = { |
313deed2 BV |
124 | /* millivolts */ |
125 | { 10, 1000 }, | |
126 | { 20, 1000 }, | |
127 | { 50, 1000 }, | |
128 | { 100, 1000 }, | |
129 | { 200, 1000 }, | |
130 | { 500, 1000 }, | |
131 | /* volts */ | |
132 | { 1, 1 }, | |
133 | { 2, 1 }, | |
134 | { 5, 1 }, | |
313deed2 BV |
135 | }; |
136 | ||
62bb8840 | 137 | static const char *trigger_sources[] = { |
a370ef19 BV |
138 | "CH1", |
139 | "CH2", | |
140 | "EXT", | |
88a13f30 | 141 | /* TODO: forced */ |
a370ef19 | 142 | }; |
3b533202 | 143 | |
62bb8840 | 144 | static const char *filter_targets[] = { |
ebb781a6 BV |
145 | "CH1", |
146 | "CH2", | |
147 | /* TODO: "TRIGGER", */ | |
ebb781a6 BV |
148 | }; |
149 | ||
62bb8840 | 150 | static const char *coupling[] = { |
b58fbd99 BV |
151 | "AC", |
152 | "DC", | |
153 | "GND", | |
b58fbd99 BV |
154 | }; |
155 | ||
982947f7 | 156 | SR_PRIV struct sr_dev_driver hantek_dso_driver_info; |
a873c594 | 157 | static struct sr_dev_driver *di = &hantek_dso_driver_info; |
e98b7f1b | 158 | |
6078d2c9 | 159 | static int dev_acquisition_stop(struct sr_dev_inst *sdi, void *cb_data); |
3b533202 | 160 | |
395206f4 | 161 | static struct sr_dev_inst *dso_dev_new(const struct dso_profile *prof) |
3b533202 BV |
162 | { |
163 | struct sr_dev_inst *sdi; | |
ba7dd8bb | 164 | struct sr_channel *ch; |
269971dd BV |
165 | struct drv_context *drvc; |
166 | struct dev_context *devc; | |
87ca93c5 | 167 | int i; |
3b533202 | 168 | |
aed4ad0b | 169 | sdi = sr_dev_inst_new(SR_ST_INITIALIZING, |
88a13f30 | 170 | prof->vendor, prof->model, NULL); |
3b533202 BV |
171 | if (!sdi) |
172 | return NULL; | |
a873c594 | 173 | sdi->driver = di; |
3b533202 | 174 | |
e98b7f1b | 175 | /* |
ba7dd8bb | 176 | * Add only the real channels -- EXT isn't a source of data, only |
87ca93c5 BV |
177 | * a trigger source internal to the device. |
178 | */ | |
ba7dd8bb | 179 | for (i = 0; channel_names[i]; i++) { |
3f239f08 | 180 | if (!(ch = sr_channel_new(i, SR_CHANNEL_ANALOG, TRUE, |
ba7dd8bb | 181 | channel_names[i]))) |
87ca93c5 | 182 | return NULL; |
ba7dd8bb | 183 | sdi->channels = g_slist_append(sdi->channels, ch); |
87ca93c5 BV |
184 | } |
185 | ||
269971dd | 186 | if (!(devc = g_try_malloc0(sizeof(struct dev_context)))) { |
e98b7f1b | 187 | sr_err("Device context malloc failed."); |
3b533202 BV |
188 | return NULL; |
189 | } | |
e98b7f1b | 190 | |
269971dd BV |
191 | devc->profile = prof; |
192 | devc->dev_state = IDLE; | |
193 | devc->timebase = DEFAULT_TIMEBASE; | |
194 | devc->ch1_enabled = TRUE; | |
195 | devc->ch2_enabled = TRUE; | |
196 | devc->voltage_ch1 = DEFAULT_VOLTAGE; | |
197 | devc->voltage_ch2 = DEFAULT_VOLTAGE; | |
198 | devc->coupling_ch1 = DEFAULT_COUPLING; | |
199 | devc->coupling_ch2 = DEFAULT_COUPLING; | |
200 | devc->voffset_ch1 = DEFAULT_VERT_OFFSET; | |
201 | devc->voffset_ch2 = DEFAULT_VERT_OFFSET; | |
202 | devc->voffset_trigger = DEFAULT_VERT_TRIGGERPOS; | |
203 | devc->framesize = DEFAULT_FRAMESIZE; | |
204 | devc->triggerslope = SLOPE_POSITIVE; | |
205 | devc->triggersource = g_strdup(DEFAULT_TRIGGER_SOURCE); | |
206 | devc->triggerposition = DEFAULT_HORIZ_TRIGGERPOS; | |
207 | sdi->priv = devc; | |
a873c594 | 208 | drvc = di->priv; |
269971dd | 209 | drvc->instances = g_slist_append(drvc->instances, sdi); |
3b533202 BV |
210 | |
211 | return sdi; | |
212 | } | |
213 | ||
ba7dd8bb | 214 | static int configure_channels(const struct sr_dev_inst *sdi) |
3b533202 | 215 | { |
014359e3 | 216 | struct dev_context *devc; |
ba7dd8bb | 217 | struct sr_channel *ch; |
62bb8840 | 218 | const GSList *l; |
69e19dd7 | 219 | int p; |
3b533202 | 220 | |
014359e3 BV |
221 | devc = sdi->priv; |
222 | ||
ba7dd8bb | 223 | g_slist_free(devc->enabled_channels); |
269971dd | 224 | devc->ch1_enabled = devc->ch2_enabled = FALSE; |
ba7dd8bb UH |
225 | for (l = sdi->channels, p = 0; l; l = l->next, p++) { |
226 | ch = l->data; | |
69e19dd7 | 227 | if (p == 0) |
ba7dd8bb | 228 | devc->ch1_enabled = ch->enabled; |
69e19dd7 | 229 | else |
ba7dd8bb UH |
230 | devc->ch2_enabled = ch->enabled; |
231 | if (ch->enabled) | |
232 | devc->enabled_channels = g_slist_append(devc->enabled_channels, ch); | |
3b533202 BV |
233 | } |
234 | ||
235 | return SR_OK; | |
236 | } | |
237 | ||
949b3dc0 | 238 | static void clear_dev_context(void *priv) |
39cfdd75 | 239 | { |
269971dd | 240 | struct dev_context *devc; |
39cfdd75 | 241 | |
949b3dc0 BV |
242 | devc = priv; |
243 | g_free(devc->triggersource); | |
ba7dd8bb | 244 | g_slist_free(devc->enabled_channels); |
39cfdd75 | 245 | |
949b3dc0 | 246 | } |
39cfdd75 | 247 | |
3b412e3a | 248 | static int dev_clear(void) |
949b3dc0 BV |
249 | { |
250 | return std_dev_clear(di, clear_dev_context); | |
39cfdd75 BV |
251 | } |
252 | ||
6078d2c9 | 253 | static int init(struct sr_context *sr_ctx) |
61136ea6 | 254 | { |
f6beaac5 | 255 | return std_init(sr_ctx, di, LOG_PREFIX); |
61136ea6 BV |
256 | } |
257 | ||
6078d2c9 | 258 | static GSList *scan(GSList *options) |
3b533202 | 259 | { |
269971dd BV |
260 | struct drv_context *drvc; |
261 | struct dev_context *devc; | |
294dbac7 | 262 | struct sr_dev_inst *sdi; |
46a743c1 BV |
263 | struct sr_usb_dev_inst *usb; |
264 | struct sr_config *src; | |
294dbac7 BV |
265 | const struct dso_profile *prof; |
266 | GSList *l, *devices, *conn_devices; | |
39cfdd75 | 267 | struct libusb_device_descriptor des; |
3b533202 | 268 | libusb_device **devlist; |
395206f4 | 269 | int ret, i, j; |
46a743c1 | 270 | const char *conn; |
395206f4 | 271 | char connection_id[64]; |
e98b7f1b | 272 | |
a873c594 | 273 | drvc = di->priv; |
39cfdd75 | 274 | |
4b97c74e UH |
275 | devices = 0; |
276 | ||
294dbac7 BV |
277 | conn = NULL; |
278 | for (l = options; l; l = l->next) { | |
279 | src = l->data; | |
280 | if (src->key == SR_CONF_CONN) { | |
281 | conn = g_variant_get_string(src->data, NULL); | |
282 | break; | |
283 | } | |
284 | } | |
285 | if (conn) | |
286 | conn_devices = sr_usb_find(drvc->sr_ctx->libusb_ctx, conn); | |
287 | else | |
288 | conn_devices = NULL; | |
289 | ||
39cfdd75 | 290 | /* Find all Hantek DSO devices and upload firmware to all of them. */ |
d4abb463 | 291 | libusb_get_device_list(drvc->sr_ctx->libusb_ctx, &devlist); |
3b533202 | 292 | for (i = 0; devlist[i]; i++) { |
46a743c1 | 293 | if (conn) { |
294dbac7 BV |
294 | usb = NULL; |
295 | for (l = conn_devices; l; l = l->next) { | |
296 | usb = l->data; | |
297 | if (usb->bus == libusb_get_bus_number(devlist[i]) | |
298 | && usb->address == libusb_get_device_address(devlist[i])) | |
299 | break; | |
300 | } | |
301 | if (!l) | |
302 | /* This device matched none of the ones that | |
303 | * matched the conn specification. */ | |
304 | continue; | |
46a743c1 | 305 | } |
294dbac7 | 306 | |
61136ea6 | 307 | if ((ret = libusb_get_device_descriptor(devlist[i], &des))) { |
d4928d71 | 308 | sr_err("Failed to get device descriptor: %s.", |
46a743c1 | 309 | libusb_error_name(ret)); |
3b533202 BV |
310 | continue; |
311 | } | |
312 | ||
395206f4 SA |
313 | usb_get_port_path(devlist[i], connection_id, sizeof(connection_id)); |
314 | ||
3b533202 BV |
315 | prof = NULL; |
316 | for (j = 0; dev_profiles[j].orig_vid; j++) { | |
317 | if (des.idVendor == dev_profiles[j].orig_vid | |
318 | && des.idProduct == dev_profiles[j].orig_pid) { | |
319 | /* Device matches the pre-firmware profile. */ | |
320 | prof = &dev_profiles[j]; | |
e98b7f1b | 321 | sr_dbg("Found a %s %s.", prof->vendor, prof->model); |
395206f4 SA |
322 | sdi = dso_dev_new(prof); |
323 | sdi->connection_id = g_strdup(connection_id); | |
39cfdd75 | 324 | devices = g_slist_append(devices, sdi); |
269971dd | 325 | devc = sdi->priv; |
3b533202 BV |
326 | if (ezusb_upload_firmware(devlist[i], USB_CONFIGURATION, |
327 | prof->firmware) == SR_OK) | |
328 | /* Remember when the firmware on this device was updated */ | |
269971dd | 329 | devc->fw_updated = g_get_monotonic_time(); |
3b533202 | 330 | else |
395206f4 | 331 | sr_err("Firmware upload failed"); |
3b533202 | 332 | /* Dummy USB address of 0xff will get overwritten later. */ |
c118080b | 333 | sdi->conn = sr_usb_dev_inst_new( |
3b533202 | 334 | libusb_get_bus_number(devlist[i]), 0xff, NULL); |
3b533202 BV |
335 | break; |
336 | } else if (des.idVendor == dev_profiles[j].fw_vid | |
337 | && des.idProduct == dev_profiles[j].fw_pid) { | |
338 | /* Device matches the post-firmware profile. */ | |
339 | prof = &dev_profiles[j]; | |
e98b7f1b | 340 | sr_dbg("Found a %s %s.", prof->vendor, prof->model); |
395206f4 SA |
341 | sdi = dso_dev_new(prof); |
342 | sdi->connection_id = g_strdup(connection_id); | |
3b533202 | 343 | sdi->status = SR_ST_INACTIVE; |
39cfdd75 | 344 | devices = g_slist_append(devices, sdi); |
269971dd | 345 | devc = sdi->priv; |
d0eec1ee | 346 | sdi->inst_type = SR_INST_USB; |
c118080b | 347 | sdi->conn = sr_usb_dev_inst_new( |
3b533202 BV |
348 | libusb_get_bus_number(devlist[i]), |
349 | libusb_get_device_address(devlist[i]), NULL); | |
3b533202 BV |
350 | break; |
351 | } | |
352 | } | |
353 | if (!prof) | |
354 | /* not a supported VID/PID */ | |
355 | continue; | |
356 | } | |
357 | libusb_free_device_list(devlist, 1); | |
358 | ||
39cfdd75 | 359 | return devices; |
3b533202 BV |
360 | } |
361 | ||
6078d2c9 | 362 | static GSList *dev_list(void) |
811deee4 | 363 | { |
0e94d524 | 364 | return ((struct drv_context *)(di->priv))->instances; |
811deee4 BV |
365 | } |
366 | ||
6078d2c9 | 367 | static int dev_open(struct sr_dev_inst *sdi) |
3b533202 | 368 | { |
269971dd | 369 | struct dev_context *devc; |
c118080b | 370 | struct sr_usb_dev_inst *usb; |
fc8fe3e3 BV |
371 | int64_t timediff_us, timediff_ms; |
372 | int err; | |
3b533202 | 373 | |
269971dd | 374 | devc = sdi->priv; |
c118080b | 375 | usb = sdi->conn; |
3b533202 BV |
376 | |
377 | /* | |
e98b7f1b UH |
378 | * If the firmware was recently uploaded, wait up to MAX_RENUM_DELAY_MS |
379 | * for the FX2 to renumerate. | |
3b533202 | 380 | */ |
fc8fe3e3 | 381 | err = SR_ERR; |
269971dd | 382 | if (devc->fw_updated > 0) { |
e98b7f1b UH |
383 | sr_info("Waiting for device to reset."); |
384 | /* Takes >= 300ms for the FX2 to be gone from the USB bus. */ | |
3b533202 | 385 | g_usleep(300 * 1000); |
fc8fe3e3 BV |
386 | timediff_ms = 0; |
387 | while (timediff_ms < MAX_RENUM_DELAY_MS) { | |
25a0f108 | 388 | if ((err = dso_open(sdi)) == SR_OK) |
3b533202 BV |
389 | break; |
390 | g_usleep(100 * 1000); | |
269971dd | 391 | timediff_us = g_get_monotonic_time() - devc->fw_updated; |
fc8fe3e3 | 392 | timediff_ms = timediff_us / 1000; |
e98b7f1b | 393 | sr_spew("Waited %" PRIi64 " ms.", timediff_ms); |
3b533202 | 394 | } |
e98b7f1b | 395 | sr_info("Device came back after %d ms.", timediff_ms); |
3b533202 | 396 | } else { |
25a0f108 | 397 | err = dso_open(sdi); |
3b533202 BV |
398 | } |
399 | ||
400 | if (err != SR_OK) { | |
e98b7f1b | 401 | sr_err("Unable to open device."); |
3b533202 BV |
402 | return SR_ERR; |
403 | } | |
404 | ||
c118080b | 405 | err = libusb_claim_interface(usb->devhdl, USB_INTERFACE); |
3b533202 | 406 | if (err != 0) { |
d4928d71 | 407 | sr_err("Unable to claim interface: %s.", |
46a743c1 | 408 | libusb_error_name(err)); |
3b533202 BV |
409 | return SR_ERR; |
410 | } | |
411 | ||
412 | return SR_OK; | |
413 | } | |
414 | ||
6078d2c9 | 415 | static int dev_close(struct sr_dev_inst *sdi) |
3b533202 | 416 | { |
3b533202 BV |
417 | dso_close(sdi); |
418 | ||
419 | return SR_OK; | |
420 | } | |
421 | ||
6078d2c9 | 422 | static int cleanup(void) |
3b533202 | 423 | { |
3b412e3a | 424 | return dev_clear(); |
3b533202 BV |
425 | } |
426 | ||
584560f1 | 427 | static int config_get(uint32_t key, GVariant **data, const struct sr_dev_inst *sdi, |
53b4680f | 428 | const struct sr_channel_group *cg) |
79917848 | 429 | { |
624f5b4c BV |
430 | struct sr_usb_dev_inst *usb; |
431 | char str[128]; | |
79917848 | 432 | |
53b4680f | 433 | (void)cg; |
8f996b89 | 434 | |
584560f1 | 435 | switch (key) { |
624f5b4c BV |
436 | case SR_CONF_CONN: |
437 | if (!sdi || !sdi->conn) | |
e2033d49 | 438 | return SR_ERR_ARG; |
624f5b4c BV |
439 | usb = sdi->conn; |
440 | if (usb->address == 255) | |
441 | /* Device still needs to re-enumerate after firmware | |
442 | * upload, so we don't know its (future) address. */ | |
443 | return SR_ERR; | |
444 | snprintf(str, 128, "%d.%d", usb->bus, usb->address); | |
445 | *data = g_variant_new_string(str); | |
446 | break; | |
79917848 BV |
447 | case SR_CONF_NUM_TIMEBASE: |
448 | *data = g_variant_new_int32(NUM_TIMEBASE); | |
449 | break; | |
450 | case SR_CONF_NUM_VDIV: | |
451 | *data = g_variant_new_int32(NUM_VDIV); | |
452 | break; | |
453 | default: | |
bd6fbf62 | 454 | return SR_ERR_NA; |
79917848 BV |
455 | } |
456 | ||
457 | return SR_OK; | |
458 | } | |
459 | ||
584560f1 | 460 | static int config_set(uint32_t key, GVariant *data, const struct sr_dev_inst *sdi, |
53b4680f | 461 | const struct sr_channel_group *cg) |
3b533202 | 462 | { |
269971dd | 463 | struct dev_context *devc; |
f627afd6 | 464 | double tmp_double; |
86bb3f4a | 465 | uint64_t tmp_u64, p, q; |
f627afd6 BV |
466 | int tmp_int, ret; |
467 | unsigned int i; | |
468 | const char *tmp_str; | |
4a090d72 | 469 | char **targets; |
3b533202 | 470 | |
53b4680f | 471 | (void)cg; |
8f996b89 | 472 | |
3b533202 | 473 | if (sdi->status != SR_ST_ACTIVE) |
e73ffd42 | 474 | return SR_ERR_DEV_CLOSED; |
3b533202 | 475 | |
a370ef19 | 476 | ret = SR_OK; |
269971dd | 477 | devc = sdi->priv; |
584560f1 | 478 | switch (key) { |
1953564a | 479 | case SR_CONF_LIMIT_FRAMES: |
f627afd6 | 480 | devc->limit_frames = g_variant_get_uint64(data); |
ae88b97b | 481 | break; |
1953564a | 482 | case SR_CONF_TRIGGER_SLOPE: |
ca9b9f48 DE |
483 | tmp_str = g_variant_get_string(data, NULL); |
484 | if (!tmp_str || !(tmp_str[0] == 'f' || tmp_str[0] == 'r')) | |
485 | return SR_ERR_ARG; | |
486 | devc->triggerslope = (tmp_str[0] == 'r') | |
487 | ? SLOPE_POSITIVE : SLOPE_NEGATIVE; | |
a370ef19 | 488 | break; |
1953564a | 489 | case SR_CONF_HORIZ_TRIGGERPOS: |
f627afd6 BV |
490 | tmp_double = g_variant_get_double(data); |
491 | if (tmp_double < 0.0 || tmp_double > 1.0) { | |
e98b7f1b | 492 | sr_err("Trigger position should be between 0.0 and 1.0."); |
3b533202 | 493 | ret = SR_ERR_ARG; |
a370ef19 | 494 | } else |
f627afd6 | 495 | devc->triggerposition = tmp_double; |
a370ef19 | 496 | break; |
1953564a | 497 | case SR_CONF_BUFFERSIZE: |
f627afd6 | 498 | tmp_u64 = g_variant_get_uint64(data); |
034accb5 BV |
499 | for (i = 0; i < 2; i++) { |
500 | if (devc->profile->buffersizes[i] == tmp_u64) { | |
269971dd | 501 | devc->framesize = tmp_u64; |
a370ef19 BV |
502 | break; |
503 | } | |
504 | } | |
034accb5 | 505 | if (i == 2) |
a370ef19 BV |
506 | ret = SR_ERR_ARG; |
507 | break; | |
1953564a | 508 | case SR_CONF_TIMEBASE: |
86bb3f4a | 509 | g_variant_get(data, "(tt)", &p, &q); |
f627afd6 BV |
510 | tmp_int = -1; |
511 | for (i = 0; i < ARRAY_SIZE(timebases); i++) { | |
512 | if (timebases[i][0] == p && timebases[i][1] == q) { | |
513 | tmp_int = i; | |
a370ef19 BV |
514 | break; |
515 | } | |
516 | } | |
f627afd6 BV |
517 | if (tmp_int >= 0) |
518 | devc->timebase = tmp_int; | |
519 | else | |
a370ef19 BV |
520 | ret = SR_ERR_ARG; |
521 | break; | |
1953564a | 522 | case SR_CONF_TRIGGER_SOURCE: |
f627afd6 | 523 | tmp_str = g_variant_get_string(data, NULL); |
a370ef19 | 524 | for (i = 0; trigger_sources[i]; i++) { |
f627afd6 BV |
525 | if (!strcmp(tmp_str, trigger_sources[i])) { |
526 | devc->triggersource = g_strdup(tmp_str); | |
a370ef19 BV |
527 | break; |
528 | } | |
529 | } | |
530 | if (trigger_sources[i] == 0) | |
531 | ret = SR_ERR_ARG; | |
532 | break; | |
1953564a | 533 | case SR_CONF_FILTER: |
f627afd6 | 534 | tmp_str = g_variant_get_string(data, NULL); |
269971dd | 535 | devc->filter_ch1 = devc->filter_ch2 = devc->filter_trigger = 0; |
f627afd6 | 536 | targets = g_strsplit(tmp_str, ",", 0); |
ebb781a6 BV |
537 | for (i = 0; targets[i]; i++) { |
538 | if (targets[i] == '\0') | |
539 | /* Empty filter string can be used to clear them all. */ | |
540 | ; | |
541 | else if (!strcmp(targets[i], "CH1")) | |
269971dd | 542 | devc->filter_ch1 = TRUE; |
ebb781a6 | 543 | else if (!strcmp(targets[i], "CH2")) |
269971dd | 544 | devc->filter_ch2 = TRUE; |
ebb781a6 | 545 | else if (!strcmp(targets[i], "TRIGGER")) |
269971dd | 546 | devc->filter_trigger = TRUE; |
ebb781a6 | 547 | else { |
e98b7f1b | 548 | sr_err("Invalid filter target %s.", targets[i]); |
ebb781a6 BV |
549 | ret = SR_ERR_ARG; |
550 | } | |
551 | } | |
552 | g_strfreev(targets); | |
553 | break; | |
1953564a | 554 | case SR_CONF_VDIV: |
e98b7f1b | 555 | /* TODO: Not supporting vdiv per channel yet. */ |
86bb3f4a | 556 | g_variant_get(data, "(tt)", &p, &q); |
f627afd6 BV |
557 | tmp_int = -1; |
558 | for (i = 0; i < ARRAY_SIZE(vdivs); i++) { | |
559 | if (vdivs[i][0] == p && vdivs[i][1] == q) { | |
560 | tmp_int = i; | |
313deed2 BV |
561 | break; |
562 | } | |
563 | } | |
f627afd6 BV |
564 | if (tmp_int >= 0) { |
565 | devc->voltage_ch1 = tmp_int; | |
566 | devc->voltage_ch2 = tmp_int; | |
567 | } else | |
313deed2 BV |
568 | ret = SR_ERR_ARG; |
569 | break; | |
1953564a | 570 | case SR_CONF_COUPLING: |
f627afd6 | 571 | tmp_str = g_variant_get_string(data, NULL); |
e98b7f1b | 572 | /* TODO: Not supporting coupling per channel yet. */ |
b58fbd99 | 573 | for (i = 0; coupling[i]; i++) { |
f627afd6 | 574 | if (!strcmp(tmp_str, coupling[i])) { |
269971dd BV |
575 | devc->coupling_ch1 = i; |
576 | devc->coupling_ch2 = i; | |
b58fbd99 BV |
577 | break; |
578 | } | |
579 | } | |
580 | if (coupling[i] == 0) | |
581 | ret = SR_ERR_ARG; | |
582 | break; | |
3b533202 | 583 | default: |
bd6fbf62 | 584 | ret = SR_ERR_NA; |
e98b7f1b | 585 | break; |
3b533202 BV |
586 | } |
587 | ||
588 | return ret; | |
589 | } | |
590 | ||
584560f1 | 591 | static int config_list(uint32_t key, GVariant **data, const struct sr_dev_inst *sdi, |
53b4680f | 592 | const struct sr_channel_group *cg) |
a1c743fc | 593 | { |
034accb5 | 594 | struct dev_context *devc; |
3973ee26 BV |
595 | GVariant *tuple, *rational[2]; |
596 | GVariantBuilder gvb; | |
597 | unsigned int i; | |
a1c743fc | 598 | |
53b4680f | 599 | (void)cg; |
8f996b89 | 600 | |
a1c743fc | 601 | switch (key) { |
624f5b4c | 602 | case SR_CONF_SCAN_OPTIONS: |
584560f1 BV |
603 | *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32, |
604 | scanopts, ARRAY_SIZE(scanopts), sizeof(uint32_t)); | |
624f5b4c | 605 | break; |
9a6517d1 | 606 | case SR_CONF_DEVICE_OPTIONS: |
584560f1 BV |
607 | *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32, |
608 | devopts, ARRAY_SIZE(devopts), sizeof(uint32_t)); | |
9a6517d1 | 609 | break; |
6d1ceffa | 610 | case SR_CONF_BUFFERSIZE: |
a147c7b4 UH |
611 | if (!sdi) |
612 | return SR_ERR_ARG; | |
613 | devc = sdi->priv; | |
f627afd6 | 614 | *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT64, |
034accb5 | 615 | devc->profile->buffersizes, 2, sizeof(uint64_t)); |
6d1ceffa | 616 | break; |
2a7b113d | 617 | case SR_CONF_COUPLING: |
f627afd6 | 618 | *data = g_variant_new_strv(coupling, ARRAY_SIZE(coupling)); |
2a7b113d | 619 | break; |
e4f2b2ad | 620 | case SR_CONF_VDIV: |
3973ee26 BV |
621 | g_variant_builder_init(&gvb, G_VARIANT_TYPE_ARRAY); |
622 | for (i = 0; i < ARRAY_SIZE(vdivs); i++) { | |
623 | rational[0] = g_variant_new_uint64(vdivs[i][0]); | |
624 | rational[1] = g_variant_new_uint64(vdivs[i][1]); | |
625 | tuple = g_variant_new_tuple(rational, 2); | |
626 | g_variant_builder_add_value(&gvb, tuple); | |
627 | } | |
628 | *data = g_variant_builder_end(&gvb); | |
e4f2b2ad | 629 | break; |
6e1fbcc4 | 630 | case SR_CONF_FILTER: |
f627afd6 BV |
631 | *data = g_variant_new_strv(filter_targets, |
632 | ARRAY_SIZE(filter_targets)); | |
6e1fbcc4 | 633 | break; |
41f5bd09 | 634 | case SR_CONF_TIMEBASE: |
3973ee26 BV |
635 | g_variant_builder_init(&gvb, G_VARIANT_TYPE_ARRAY); |
636 | for (i = 0; i < ARRAY_SIZE(timebases); i++) { | |
637 | rational[0] = g_variant_new_uint64(timebases[i][0]); | |
638 | rational[1] = g_variant_new_uint64(timebases[i][1]); | |
639 | tuple = g_variant_new_tuple(rational, 2); | |
640 | g_variant_builder_add_value(&gvb, tuple); | |
641 | } | |
642 | *data = g_variant_builder_end(&gvb); | |
41f5bd09 | 643 | break; |
328bafab | 644 | case SR_CONF_TRIGGER_SOURCE: |
f627afd6 BV |
645 | *data = g_variant_new_strv(trigger_sources, |
646 | ARRAY_SIZE(trigger_sources)); | |
328bafab | 647 | break; |
a1c743fc | 648 | default: |
bd6fbf62 | 649 | return SR_ERR_NA; |
a1c743fc BV |
650 | } |
651 | ||
652 | return SR_OK; | |
653 | } | |
654 | ||
69e19dd7 | 655 | static void send_chunk(struct sr_dev_inst *sdi, unsigned char *buf, |
e749a8cb | 656 | int num_samples) |
3b533202 BV |
657 | { |
658 | struct sr_datafeed_packet packet; | |
659 | struct sr_datafeed_analog analog; | |
69e19dd7 | 660 | struct dev_context *devc; |
c5841b28 | 661 | float ch1, ch2, range; |
ba7dd8bb | 662 | int num_channels, data_offset, i; |
3b533202 | 663 | |
69e19dd7 | 664 | devc = sdi->priv; |
ba7dd8bb | 665 | num_channels = (devc->ch1_enabled && devc->ch2_enabled) ? 2 : 1; |
3b533202 BV |
666 | packet.type = SR_DF_ANALOG; |
667 | packet.payload = &analog; | |
6e71ef3b | 668 | /* TODO: support for 5xxx series 9-bit samples */ |
ba7dd8bb | 669 | analog.channels = devc->enabled_channels; |
e749a8cb | 670 | analog.num_samples = num_samples; |
9956f285 UH |
671 | analog.mq = SR_MQ_VOLTAGE; |
672 | analog.unit = SR_UNIT_VOLT; | |
886a52b6 | 673 | /* TODO: Check malloc return value. */ |
ba7dd8bb | 674 | analog.data = g_try_malloc(analog.num_samples * sizeof(float) * num_channels); |
6e71ef3b | 675 | data_offset = 0; |
3b533202 | 676 | for (i = 0; i < analog.num_samples; i++) { |
e98b7f1b UH |
677 | /* |
678 | * The device always sends data for both channels. If a channel | |
6e71ef3b | 679 | * is disabled, it contains a copy of the enabled channel's |
e98b7f1b UH |
680 | * data. However, we only send the requested channels to |
681 | * the bus. | |
c5841b28 | 682 | * |
e98b7f1b UH |
683 | * Voltage values are encoded as a value 0-255 (0-512 on the |
684 | * DSO-5200*), where the value is a point in the range | |
685 | * represented by the vdiv setting. There are 8 vertical divs, | |
686 | * so e.g. 500mV/div represents 4V peak-to-peak where 0 = -2V | |
687 | * and 255 = +2V. | |
6e71ef3b | 688 | */ |
e98b7f1b | 689 | /* TODO: Support for DSO-5xxx series 9-bit samples. */ |
269971dd | 690 | if (devc->ch1_enabled) { |
f627afd6 | 691 | range = ((float)vdivs[devc->voltage_ch1][0] / vdivs[devc->voltage_ch1][1]) * 8; |
e749a8cb | 692 | ch1 = range / 255 * *(buf + i * 2 + 1); |
c5841b28 BV |
693 | /* Value is centered around 0V. */ |
694 | ch1 -= range / 2; | |
6e71ef3b BV |
695 | analog.data[data_offset++] = ch1; |
696 | } | |
269971dd | 697 | if (devc->ch2_enabled) { |
f627afd6 | 698 | range = ((float)vdivs[devc->voltage_ch2][0] / vdivs[devc->voltage_ch2][1]) * 8; |
e749a8cb | 699 | ch2 = range / 255 * *(buf + i * 2); |
c5841b28 | 700 | ch2 -= range / 2; |
6e71ef3b BV |
701 | analog.data[data_offset++] = ch2; |
702 | } | |
3b533202 | 703 | } |
269971dd | 704 | sr_session_send(devc->cb_data, &packet); |
e749a8cb BV |
705 | } |
706 | ||
e98b7f1b UH |
707 | /* |
708 | * Called by libusb (as triggered by handle_event()) when a transfer comes in. | |
e749a8cb | 709 | * Only channel data comes in asynchronously, and all transfers for this are |
e98b7f1b | 710 | * queued up beforehand, so this just needs to chuck the incoming data onto |
e749a8cb BV |
711 | * the libsigrok session bus. |
712 | */ | |
713 | static void receive_transfer(struct libusb_transfer *transfer) | |
714 | { | |
715 | struct sr_datafeed_packet packet; | |
69e19dd7 | 716 | struct sr_dev_inst *sdi; |
269971dd | 717 | struct dev_context *devc; |
e749a8cb BV |
718 | int num_samples, pre; |
719 | ||
69e19dd7 BV |
720 | sdi = transfer->user_data; |
721 | devc = sdi->priv; | |
d4007311 | 722 | sr_spew("receive_transfer(): status %d received %d bytes.", |
46a743c1 | 723 | transfer->status, transfer->actual_length); |
e749a8cb BV |
724 | |
725 | if (transfer->actual_length == 0) | |
726 | /* Nothing to send to the bus. */ | |
727 | return; | |
728 | ||
729 | num_samples = transfer->actual_length / 2; | |
730 | ||
d4007311 | 731 | sr_spew("Got %d-%d/%d samples in frame.", devc->samp_received + 1, |
46a743c1 | 732 | devc->samp_received + num_samples, devc->framesize); |
e749a8cb | 733 | |
e98b7f1b UH |
734 | /* |
735 | * The device always sends a full frame, but the beginning of the frame | |
e749a8cb BV |
736 | * doesn't represent the trigger point. The offset at which the trigger |
737 | * happened came in with the capture state, so we need to start sending | |
e98b7f1b UH |
738 | * from there up the session bus. The samples in the frame buffer |
739 | * before that trigger point came after the end of the device's frame | |
740 | * buffer was reached, and it wrapped around to overwrite up until the | |
741 | * trigger point. | |
e749a8cb | 742 | */ |
269971dd | 743 | if (devc->samp_received < devc->trigger_offset) { |
e749a8cb | 744 | /* Trigger point not yet reached. */ |
269971dd | 745 | if (devc->samp_received + num_samples < devc->trigger_offset) { |
e749a8cb | 746 | /* The entire chunk is before the trigger point. */ |
269971dd | 747 | memcpy(devc->framebuf + devc->samp_buffered * 2, |
e749a8cb | 748 | transfer->buffer, num_samples * 2); |
269971dd | 749 | devc->samp_buffered += num_samples; |
e749a8cb | 750 | } else { |
e98b7f1b UH |
751 | /* |
752 | * This chunk hits or overruns the trigger point. | |
e749a8cb | 753 | * Store the part before the trigger fired, and |
e98b7f1b UH |
754 | * send the rest up to the session bus. |
755 | */ | |
269971dd BV |
756 | pre = devc->trigger_offset - devc->samp_received; |
757 | memcpy(devc->framebuf + devc->samp_buffered * 2, | |
e749a8cb | 758 | transfer->buffer, pre * 2); |
269971dd | 759 | devc->samp_buffered += pre; |
e749a8cb BV |
760 | |
761 | /* The rest of this chunk starts with the trigger point. */ | |
e98b7f1b | 762 | sr_dbg("Reached trigger point, %d samples buffered.", |
46a743c1 | 763 | devc->samp_buffered); |
e749a8cb BV |
764 | |
765 | /* Avoid the corner case where the chunk ended at | |
766 | * exactly the trigger point. */ | |
767 | if (num_samples > pre) | |
69e19dd7 | 768 | send_chunk(sdi, transfer->buffer + pre * 2, |
e749a8cb BV |
769 | num_samples - pre); |
770 | } | |
771 | } else { | |
772 | /* Already past the trigger point, just send it all out. */ | |
69e19dd7 | 773 | send_chunk(sdi, transfer->buffer, |
e749a8cb BV |
774 | num_samples); |
775 | } | |
776 | ||
269971dd | 777 | devc->samp_received += num_samples; |
e749a8cb BV |
778 | |
779 | /* Everything in this transfer was either copied to the buffer or | |
780 | * sent to the session bus. */ | |
3b533202 BV |
781 | g_free(transfer->buffer); |
782 | libusb_free_transfer(transfer); | |
3b533202 | 783 | |
269971dd | 784 | if (devc->samp_received >= devc->framesize) { |
e749a8cb BV |
785 | /* That was the last chunk in this frame. Send the buffered |
786 | * pre-trigger samples out now, in one big chunk. */ | |
e98b7f1b | 787 | sr_dbg("End of frame, sending %d pre-trigger buffered samples.", |
46a743c1 | 788 | devc->samp_buffered); |
69e19dd7 | 789 | send_chunk(sdi, devc->framebuf, devc->samp_buffered); |
e749a8cb BV |
790 | |
791 | /* Mark the end of this frame. */ | |
ae88b97b | 792 | packet.type = SR_DF_FRAME_END; |
269971dd | 793 | sr_session_send(devc->cb_data, &packet); |
ae88b97b | 794 | |
269971dd | 795 | if (devc->limit_frames && ++devc->num_frames == devc->limit_frames) { |
ae88b97b | 796 | /* Terminate session */ |
a3508e33 | 797 | devc->dev_state = STOPPING; |
ae88b97b | 798 | } else { |
269971dd | 799 | devc->dev_state = NEW_CAPTURE; |
ae88b97b BV |
800 | } |
801 | } | |
3b533202 BV |
802 | } |
803 | ||
804 | static int handle_event(int fd, int revents, void *cb_data) | |
805 | { | |
a3508e33 | 806 | const struct sr_dev_inst *sdi; |
ae88b97b | 807 | struct sr_datafeed_packet packet; |
3b533202 | 808 | struct timeval tv; |
269971dd | 809 | struct dev_context *devc; |
a873c594 | 810 | struct drv_context *drvc = di->priv; |
ba7dd8bb | 811 | int num_channels; |
6e6eeff4 BV |
812 | uint32_t trigger_offset; |
813 | uint8_t capturestate; | |
3b533202 | 814 | |
3b533202 BV |
815 | (void)fd; |
816 | (void)revents; | |
817 | ||
269971dd BV |
818 | sdi = cb_data; |
819 | devc = sdi->priv; | |
a3508e33 BV |
820 | if (devc->dev_state == STOPPING) { |
821 | /* We've been told to wind up the acquisition. */ | |
e98b7f1b UH |
822 | sr_dbg("Stopping acquisition."); |
823 | /* | |
824 | * TODO: Doesn't really cancel pending transfers so they might | |
825 | * come in after SR_DF_END is sent. | |
826 | */ | |
102f1239 | 827 | usb_source_remove(sdi->session, drvc->sr_ctx); |
a3508e33 BV |
828 | |
829 | packet.type = SR_DF_END; | |
830 | sr_session_send(sdi, &packet); | |
831 | ||
832 | devc->dev_state = IDLE; | |
833 | ||
834 | return TRUE; | |
835 | } | |
836 | ||
3b533202 BV |
837 | /* Always handle pending libusb events. */ |
838 | tv.tv_sec = tv.tv_usec = 0; | |
d4abb463 | 839 | libusb_handle_events_timeout(drvc->sr_ctx->libusb_ctx, &tv); |
3b533202 | 840 | |
3b533202 | 841 | /* TODO: ugh */ |
269971dd | 842 | if (devc->dev_state == NEW_CAPTURE) { |
c118080b | 843 | if (dso_capture_start(sdi) != SR_OK) |
3b533202 | 844 | return TRUE; |
c118080b | 845 | if (dso_enable_trigger(sdi) != SR_OK) |
3b533202 | 846 | return TRUE; |
c118080b | 847 | // if (dso_force_trigger(sdi) != SR_OK) |
a370ef19 | 848 | // return TRUE; |
e98b7f1b | 849 | sr_dbg("Successfully requested next chunk."); |
269971dd | 850 | devc->dev_state = CAPTURE; |
3b533202 BV |
851 | return TRUE; |
852 | } | |
269971dd | 853 | if (devc->dev_state != CAPTURE) |
3b533202 BV |
854 | return TRUE; |
855 | ||
c118080b | 856 | if ((dso_get_capturestate(sdi, &capturestate, &trigger_offset)) != SR_OK) |
3b533202 | 857 | return TRUE; |
3b533202 | 858 | |
e98b7f1b UH |
859 | sr_dbg("Capturestate %d.", capturestate); |
860 | sr_dbg("Trigger offset 0x%.6x.", trigger_offset); | |
3b533202 BV |
861 | switch (capturestate) { |
862 | case CAPTURE_EMPTY: | |
269971dd BV |
863 | if (++devc->capture_empty_count >= MAX_CAPTURE_EMPTY) { |
864 | devc->capture_empty_count = 0; | |
c118080b | 865 | if (dso_capture_start(sdi) != SR_OK) |
3b533202 | 866 | break; |
c118080b | 867 | if (dso_enable_trigger(sdi) != SR_OK) |
3b533202 | 868 | break; |
c118080b | 869 | // if (dso_force_trigger(sdi) != SR_OK) |
a370ef19 | 870 | // break; |
e98b7f1b | 871 | sr_dbg("Successfully requested next chunk."); |
3b533202 BV |
872 | } |
873 | break; | |
874 | case CAPTURE_FILLING: | |
e98b7f1b | 875 | /* No data yet. */ |
3b533202 BV |
876 | break; |
877 | case CAPTURE_READY_8BIT: | |
e749a8cb | 878 | /* Remember where in the captured frame the trigger is. */ |
269971dd | 879 | devc->trigger_offset = trigger_offset; |
e749a8cb | 880 | |
ba7dd8bb | 881 | num_channels = (devc->ch1_enabled && devc->ch2_enabled) ? 2 : 1; |
886a52b6 | 882 | /* TODO: Check malloc return value. */ |
ba7dd8bb | 883 | devc->framebuf = g_try_malloc(devc->framesize * num_channels * 2); |
269971dd | 884 | devc->samp_buffered = devc->samp_received = 0; |
e749a8cb | 885 | |
3b533202 | 886 | /* Tell the scope to send us the first frame. */ |
69e19dd7 | 887 | if (dso_get_channeldata(sdi, receive_transfer) != SR_OK) |
3b533202 | 888 | break; |
ae88b97b | 889 | |
e98b7f1b UH |
890 | /* |
891 | * Don't hit the state machine again until we're done fetching | |
ae88b97b BV |
892 | * the data we just told the scope to send. |
893 | */ | |
269971dd | 894 | devc->dev_state = FETCH_DATA; |
ae88b97b BV |
895 | |
896 | /* Tell the frontend a new frame is on the way. */ | |
897 | packet.type = SR_DF_FRAME_BEGIN; | |
269971dd | 898 | sr_session_send(sdi, &packet); |
3b533202 BV |
899 | break; |
900 | case CAPTURE_READY_9BIT: | |
901 | /* TODO */ | |
e98b7f1b | 902 | sr_err("Not yet supported."); |
3b533202 BV |
903 | break; |
904 | case CAPTURE_TIMEOUT: | |
905 | /* Doesn't matter, we'll try again next time. */ | |
906 | break; | |
907 | default: | |
e98b7f1b UH |
908 | sr_dbg("Unknown capture state: %d.", capturestate); |
909 | break; | |
3b533202 BV |
910 | } |
911 | ||
912 | return TRUE; | |
913 | } | |
914 | ||
6078d2c9 | 915 | static int dev_acquisition_start(const struct sr_dev_inst *sdi, void *cb_data) |
3b533202 | 916 | { |
269971dd | 917 | struct dev_context *devc; |
a873c594 | 918 | struct drv_context *drvc = di->priv; |
3b533202 | 919 | |
3b533202 | 920 | if (sdi->status != SR_ST_ACTIVE) |
e73ffd42 | 921 | return SR_ERR_DEV_CLOSED; |
3b533202 | 922 | |
269971dd BV |
923 | devc = sdi->priv; |
924 | devc->cb_data = cb_data; | |
3b533202 | 925 | |
ba7dd8bb UH |
926 | if (configure_channels(sdi) != SR_OK) { |
927 | sr_err("Failed to configure channels."); | |
014359e3 BV |
928 | return SR_ERR; |
929 | } | |
930 | ||
c118080b | 931 | if (dso_init(sdi) != SR_OK) |
3b533202 BV |
932 | return SR_ERR; |
933 | ||
c118080b | 934 | if (dso_capture_start(sdi) != SR_OK) |
3b533202 BV |
935 | return SR_ERR; |
936 | ||
269971dd | 937 | devc->dev_state = CAPTURE; |
102f1239 | 938 | usb_source_add(sdi->session, drvc->sr_ctx, TICK, handle_event, (void *)sdi); |
3b533202 BV |
939 | |
940 | /* Send header packet to the session bus. */ | |
29a27196 | 941 | std_session_send_df_header(cb_data, LOG_PREFIX); |
3b533202 | 942 | |
3b533202 BV |
943 | return SR_OK; |
944 | } | |
945 | ||
6078d2c9 | 946 | static int dev_acquisition_stop(struct sr_dev_inst *sdi, void *cb_data) |
3b533202 | 947 | { |
269971dd BV |
948 | struct dev_context *devc; |
949 | ||
950 | (void)cb_data; | |
3b533202 | 951 | |
3b533202 BV |
952 | if (sdi->status != SR_ST_ACTIVE) |
953 | return SR_ERR; | |
954 | ||
a3508e33 BV |
955 | devc = sdi->priv; |
956 | devc->dev_state = STOPPING; | |
3b533202 BV |
957 | |
958 | return SR_OK; | |
959 | } | |
960 | ||
62bb8840 | 961 | SR_PRIV struct sr_dev_driver hantek_dso_driver_info = { |
3b533202 BV |
962 | .name = "hantek-dso", |
963 | .longname = "Hantek DSO", | |
964 | .api_version = 1, | |
6078d2c9 UH |
965 | .init = init, |
966 | .cleanup = cleanup, | |
967 | .scan = scan, | |
968 | .dev_list = dev_list, | |
3b412e3a | 969 | .dev_clear = dev_clear, |
79917848 | 970 | .config_get = config_get, |
035a1078 | 971 | .config_set = config_set, |
a1c743fc | 972 | .config_list = config_list, |
6078d2c9 UH |
973 | .dev_open = dev_open, |
974 | .dev_close = dev_close, | |
975 | .dev_acquisition_start = dev_acquisition_start, | |
976 | .dev_acquisition_stop = dev_acquisition_stop, | |
269971dd | 977 | .priv = NULL, |
3b533202 | 978 | }; |