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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> |
3b533202 BV |
21 | #include <stdio.h> |
22 | #include <stdint.h> | |
23 | #include <stdlib.h> | |
24 | #include <sys/types.h> | |
25 | #include <sys/stat.h> | |
26 | #include <fcntl.h> | |
27 | #include <unistd.h> | |
28 | #include <string.h> | |
29 | #include <sys/time.h> | |
30 | #include <inttypes.h> | |
3b533202 BV |
31 | #include <glib.h> |
32 | #include <libusb.h> | |
c1aae900 | 33 | #include <libsigrok/libsigrok.h> |
45c59c8b | 34 | #include "libsigrok-internal.h" |
3b533202 BV |
35 | #include "dso.h" |
36 | ||
fc8fe3e3 BV |
37 | /* Max time in ms before we want to check on USB events */ |
38 | /* TODO tune this properly */ | |
e98b7f1b | 39 | #define TICK 1 |
3b533202 | 40 | |
79917848 BV |
41 | #define NUM_TIMEBASE 10 |
42 | #define NUM_VDIV 8 | |
43 | ||
07ffa5b3 UH |
44 | #define NUM_BUFFER_SIZES 2 |
45 | ||
584560f1 | 46 | static const uint32_t scanopts[] = { |
624f5b4c BV |
47 | SR_CONF_CONN, |
48 | }; | |
49 | ||
5ecd9049 | 50 | static const uint32_t drvopts[] = { |
1953564a | 51 | SR_CONF_OSCILLOSCOPE, |
933defaa BV |
52 | }; |
53 | ||
5ecd9049 | 54 | static const uint32_t devopts[] = { |
e91bb0a6 | 55 | SR_CONF_CONTINUOUS, |
5ecd9049 | 56 | SR_CONF_LIMIT_FRAMES | SR_CONF_SET, |
933defaa BV |
57 | SR_CONF_CONN | SR_CONF_GET, |
58 | SR_CONF_TIMEBASE | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST, | |
59 | SR_CONF_BUFFERSIZE | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST, | |
60 | SR_CONF_TRIGGER_SOURCE | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST, | |
61 | SR_CONF_TRIGGER_SLOPE | SR_CONF_GET | SR_CONF_SET, | |
62 | SR_CONF_HORIZ_TRIGGERPOS | SR_CONF_GET | SR_CONF_SET, | |
bf622e6d | 63 | SR_CONF_NUM_HDIV | SR_CONF_GET, |
5827f61b | 64 | SR_CONF_NUM_VDIV | SR_CONF_GET, |
3b533202 BV |
65 | }; |
66 | ||
933defaa BV |
67 | static const uint32_t devopts_cg[] = { |
68 | SR_CONF_FILTER | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST, | |
69 | SR_CONF_VDIV | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST, | |
70 | SR_CONF_COUPLING | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST, | |
71 | }; | |
72 | ||
ba7dd8bb | 73 | static const char *channel_names[] = { |
78693401 | 74 | "CH1", "CH2", |
3b533202 BV |
75 | }; |
76 | ||
034accb5 | 77 | static const uint64_t buffersizes_32k[] = { |
1a46cc62 | 78 | (10 * 1024), (32 * 1024), |
034accb5 BV |
79 | }; |
80 | static const uint64_t buffersizes_512k[] = { | |
1a46cc62 | 81 | (10 * 1024), (512 * 1024), |
034accb5 BV |
82 | }; |
83 | static const uint64_t buffersizes_14k[] = { | |
1a46cc62 | 84 | (10 * 1024), (14 * 1024), |
034accb5 BV |
85 | }; |
86 | ||
62bb8840 | 87 | static const struct dso_profile dev_profiles[] = { |
88a13f30 | 88 | { 0x04b4, 0x2090, 0x04b5, 0x2090, |
3b533202 | 89 | "Hantek", "DSO-2090", |
034accb5 | 90 | buffersizes_32k, |
8e2d6c9d | 91 | "hantek-dso-2090.fw" }, |
88a13f30 BV |
92 | { 0x04b4, 0x2150, 0x04b5, 0x2150, |
93 | "Hantek", "DSO-2150", | |
034accb5 | 94 | buffersizes_32k, |
8e2d6c9d | 95 | "hantek-dso-2150.fw" }, |
88a13f30 BV |
96 | { 0x04b4, 0x2250, 0x04b5, 0x2250, |
97 | "Hantek", "DSO-2250", | |
034accb5 | 98 | buffersizes_512k, |
8e2d6c9d | 99 | "hantek-dso-2250.fw" }, |
88a13f30 BV |
100 | { 0x04b4, 0x5200, 0x04b5, 0x5200, |
101 | "Hantek", "DSO-5200", | |
034accb5 | 102 | buffersizes_14k, |
8e2d6c9d | 103 | "hantek-dso-5200.fw" }, |
88a13f30 BV |
104 | { 0x04b4, 0x520a, 0x04b5, 0x520a, |
105 | "Hantek", "DSO-5200A", | |
034accb5 | 106 | buffersizes_512k, |
8e2d6c9d | 107 | "hantek-dso-5200A.fw" }, |
1b4aedc0 | 108 | ALL_ZERO |
a370ef19 BV |
109 | }; |
110 | ||
86bb3f4a | 111 | static const uint64_t timebases[][2] = { |
a370ef19 BV |
112 | /* microseconds */ |
113 | { 10, 1000000 }, | |
114 | { 20, 1000000 }, | |
115 | { 40, 1000000 }, | |
116 | { 100, 1000000 }, | |
117 | { 200, 1000000 }, | |
118 | { 400, 1000000 }, | |
119 | /* milliseconds */ | |
120 | { 1, 1000 }, | |
121 | { 2, 1000 }, | |
122 | { 4, 1000 }, | |
123 | { 10, 1000 }, | |
124 | { 20, 1000 }, | |
125 | { 40, 1000 }, | |
126 | { 100, 1000 }, | |
127 | { 200, 1000 }, | |
128 | { 400, 1000 }, | |
a370ef19 BV |
129 | }; |
130 | ||
86bb3f4a | 131 | static const uint64_t vdivs[][2] = { |
313deed2 BV |
132 | /* millivolts */ |
133 | { 10, 1000 }, | |
134 | { 20, 1000 }, | |
135 | { 50, 1000 }, | |
136 | { 100, 1000 }, | |
137 | { 200, 1000 }, | |
138 | { 500, 1000 }, | |
139 | /* volts */ | |
140 | { 1, 1 }, | |
141 | { 2, 1 }, | |
142 | { 5, 1 }, | |
313deed2 BV |
143 | }; |
144 | ||
62bb8840 | 145 | static const char *trigger_sources[] = { |
a370ef19 BV |
146 | "CH1", |
147 | "CH2", | |
148 | "EXT", | |
88a13f30 | 149 | /* TODO: forced */ |
a370ef19 | 150 | }; |
3b533202 | 151 | |
933defaa BV |
152 | static const char *trigger_slopes[] = { |
153 | "r", | |
154 | "f", | |
ebb781a6 BV |
155 | }; |
156 | ||
62bb8840 | 157 | static const char *coupling[] = { |
b58fbd99 BV |
158 | "AC", |
159 | "DC", | |
160 | "GND", | |
b58fbd99 BV |
161 | }; |
162 | ||
695dc859 | 163 | static int dev_acquisition_stop(struct sr_dev_inst *sdi); |
3b533202 | 164 | |
15a5bfe4 | 165 | static struct sr_dev_inst *dso_dev_new(const struct dso_profile *prof) |
3b533202 BV |
166 | { |
167 | struct sr_dev_inst *sdi; | |
ba7dd8bb | 168 | struct sr_channel *ch; |
933defaa | 169 | struct sr_channel_group *cg; |
269971dd | 170 | struct dev_context *devc; |
dcd438ee | 171 | unsigned int i; |
3b533202 | 172 | |
aac29cc1 | 173 | sdi = g_malloc0(sizeof(struct sr_dev_inst)); |
0af636be UH |
174 | sdi->status = SR_ST_INITIALIZING; |
175 | sdi->vendor = g_strdup(prof->vendor); | |
176 | sdi->model = g_strdup(prof->model); | |
3b533202 | 177 | |
e98b7f1b | 178 | /* |
ba7dd8bb | 179 | * Add only the real channels -- EXT isn't a source of data, only |
87ca93c5 BV |
180 | * a trigger source internal to the device. |
181 | */ | |
0f34cb47 | 182 | for (i = 0; i < ARRAY_SIZE(channel_names); i++) { |
5e23fcab | 183 | ch = sr_channel_new(sdi, i, SR_CHANNEL_ANALOG, TRUE, channel_names[i]); |
933defaa BV |
184 | cg = g_malloc0(sizeof(struct sr_channel_group)); |
185 | cg->name = g_strdup(channel_names[i]); | |
186 | cg->channels = g_slist_append(cg->channels, ch); | |
187 | sdi->channel_groups = g_slist_append(sdi->channel_groups, cg); | |
87ca93c5 BV |
188 | } |
189 | ||
933defaa | 190 | devc = g_malloc0(sizeof(struct dev_context)); |
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; | |
933defaa BV |
196 | devc->voltage[0] = DEFAULT_VOLTAGE; |
197 | devc->voltage[1] = DEFAULT_VOLTAGE; | |
198 | devc->coupling[0] = DEFAULT_COUPLING; | |
199 | devc->coupling[1] = DEFAULT_COUPLING; | |
269971dd BV |
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; | |
3b533202 BV |
208 | |
209 | return sdi; | |
210 | } | |
211 | ||
ba7dd8bb | 212 | static int configure_channels(const struct sr_dev_inst *sdi) |
3b533202 | 213 | { |
014359e3 | 214 | struct dev_context *devc; |
ba7dd8bb | 215 | struct sr_channel *ch; |
62bb8840 | 216 | const GSList *l; |
69e19dd7 | 217 | int p; |
3b533202 | 218 | |
014359e3 BV |
219 | devc = sdi->priv; |
220 | ||
ba7dd8bb | 221 | g_slist_free(devc->enabled_channels); |
269971dd | 222 | devc->ch1_enabled = devc->ch2_enabled = FALSE; |
ba7dd8bb UH |
223 | for (l = sdi->channels, p = 0; l; l = l->next, p++) { |
224 | ch = l->data; | |
69e19dd7 | 225 | if (p == 0) |
ba7dd8bb | 226 | devc->ch1_enabled = ch->enabled; |
69e19dd7 | 227 | else |
ba7dd8bb UH |
228 | devc->ch2_enabled = ch->enabled; |
229 | if (ch->enabled) | |
230 | devc->enabled_channels = g_slist_append(devc->enabled_channels, ch); | |
3b533202 BV |
231 | } |
232 | ||
233 | return SR_OK; | |
234 | } | |
235 | ||
949b3dc0 | 236 | static void clear_dev_context(void *priv) |
39cfdd75 | 237 | { |
269971dd | 238 | struct dev_context *devc; |
39cfdd75 | 239 | |
949b3dc0 BV |
240 | devc = priv; |
241 | g_free(devc->triggersource); | |
ba7dd8bb | 242 | g_slist_free(devc->enabled_channels); |
39cfdd75 | 243 | |
949b3dc0 | 244 | } |
39cfdd75 | 245 | |
4f840ce9 | 246 | static int dev_clear(const struct sr_dev_driver *di) |
949b3dc0 BV |
247 | { |
248 | return std_dev_clear(di, clear_dev_context); | |
39cfdd75 BV |
249 | } |
250 | ||
4f840ce9 | 251 | static GSList *scan(struct sr_dev_driver *di, GSList *options) |
3b533202 | 252 | { |
269971dd BV |
253 | struct drv_context *drvc; |
254 | struct dev_context *devc; | |
294dbac7 | 255 | struct sr_dev_inst *sdi; |
46a743c1 BV |
256 | struct sr_usb_dev_inst *usb; |
257 | struct sr_config *src; | |
294dbac7 BV |
258 | const struct dso_profile *prof; |
259 | GSList *l, *devices, *conn_devices; | |
39cfdd75 | 260 | struct libusb_device_descriptor des; |
3b533202 | 261 | libusb_device **devlist; |
2a8f2d41 | 262 | int i, j; |
46a743c1 | 263 | const char *conn; |
395206f4 | 264 | char connection_id[64]; |
e98b7f1b | 265 | |
41812aca | 266 | drvc = di->context; |
39cfdd75 | 267 | |
4b97c74e UH |
268 | devices = 0; |
269 | ||
294dbac7 BV |
270 | conn = NULL; |
271 | for (l = options; l; l = l->next) { | |
272 | src = l->data; | |
273 | if (src->key == SR_CONF_CONN) { | |
274 | conn = g_variant_get_string(src->data, NULL); | |
275 | break; | |
276 | } | |
277 | } | |
278 | if (conn) | |
279 | conn_devices = sr_usb_find(drvc->sr_ctx->libusb_ctx, conn); | |
280 | else | |
281 | conn_devices = NULL; | |
282 | ||
39cfdd75 | 283 | /* Find all Hantek DSO devices and upload firmware to all of them. */ |
d4abb463 | 284 | libusb_get_device_list(drvc->sr_ctx->libusb_ctx, &devlist); |
3b533202 | 285 | for (i = 0; devlist[i]; i++) { |
46a743c1 | 286 | if (conn) { |
294dbac7 BV |
287 | usb = NULL; |
288 | for (l = conn_devices; l; l = l->next) { | |
289 | usb = l->data; | |
290 | if (usb->bus == libusb_get_bus_number(devlist[i]) | |
291 | && usb->address == libusb_get_device_address(devlist[i])) | |
292 | break; | |
293 | } | |
294 | if (!l) | |
295 | /* This device matched none of the ones that | |
296 | * matched the conn specification. */ | |
297 | continue; | |
46a743c1 | 298 | } |
294dbac7 | 299 | |
2a8f2d41 | 300 | libusb_get_device_descriptor(devlist[i], &des); |
3b533202 | 301 | |
395206f4 SA |
302 | usb_get_port_path(devlist[i], connection_id, sizeof(connection_id)); |
303 | ||
3b533202 BV |
304 | prof = NULL; |
305 | for (j = 0; dev_profiles[j].orig_vid; j++) { | |
306 | if (des.idVendor == dev_profiles[j].orig_vid | |
307 | && des.idProduct == dev_profiles[j].orig_pid) { | |
308 | /* Device matches the pre-firmware profile. */ | |
309 | prof = &dev_profiles[j]; | |
e98b7f1b | 310 | sr_dbg("Found a %s %s.", prof->vendor, prof->model); |
15a5bfe4 | 311 | sdi = dso_dev_new(prof); |
395206f4 | 312 | sdi->connection_id = g_strdup(connection_id); |
39cfdd75 | 313 | devices = g_slist_append(devices, sdi); |
269971dd | 314 | devc = sdi->priv; |
8e2d6c9d DE |
315 | if (ezusb_upload_firmware(drvc->sr_ctx, devlist[i], |
316 | USB_CONFIGURATION, prof->firmware) == SR_OK) | |
3b533202 | 317 | /* Remember when the firmware on this device was updated */ |
269971dd | 318 | devc->fw_updated = g_get_monotonic_time(); |
3b533202 | 319 | else |
395206f4 | 320 | sr_err("Firmware upload failed"); |
3b533202 | 321 | /* Dummy USB address of 0xff will get overwritten later. */ |
c118080b | 322 | sdi->conn = sr_usb_dev_inst_new( |
3b533202 | 323 | libusb_get_bus_number(devlist[i]), 0xff, NULL); |
3b533202 BV |
324 | break; |
325 | } else if (des.idVendor == dev_profiles[j].fw_vid | |
326 | && des.idProduct == dev_profiles[j].fw_pid) { | |
327 | /* Device matches the post-firmware profile. */ | |
328 | prof = &dev_profiles[j]; | |
e98b7f1b | 329 | sr_dbg("Found a %s %s.", prof->vendor, prof->model); |
15a5bfe4 | 330 | sdi = dso_dev_new(prof); |
395206f4 | 331 | sdi->connection_id = g_strdup(connection_id); |
3b533202 | 332 | sdi->status = SR_ST_INACTIVE; |
39cfdd75 | 333 | devices = g_slist_append(devices, sdi); |
d0eec1ee | 334 | sdi->inst_type = SR_INST_USB; |
c118080b | 335 | sdi->conn = sr_usb_dev_inst_new( |
3b533202 BV |
336 | libusb_get_bus_number(devlist[i]), |
337 | libusb_get_device_address(devlist[i]), NULL); | |
3b533202 BV |
338 | break; |
339 | } | |
340 | } | |
341 | if (!prof) | |
342 | /* not a supported VID/PID */ | |
343 | continue; | |
344 | } | |
345 | libusb_free_device_list(devlist, 1); | |
346 | ||
15a5bfe4 | 347 | return std_scan_complete(di, devices); |
3b533202 BV |
348 | } |
349 | ||
6078d2c9 | 350 | static int dev_open(struct sr_dev_inst *sdi) |
3b533202 | 351 | { |
269971dd | 352 | struct dev_context *devc; |
c118080b | 353 | struct sr_usb_dev_inst *usb; |
fc8fe3e3 BV |
354 | int64_t timediff_us, timediff_ms; |
355 | int err; | |
3b533202 | 356 | |
269971dd | 357 | devc = sdi->priv; |
c118080b | 358 | usb = sdi->conn; |
3b533202 BV |
359 | |
360 | /* | |
e98b7f1b UH |
361 | * If the firmware was recently uploaded, wait up to MAX_RENUM_DELAY_MS |
362 | * for the FX2 to renumerate. | |
3b533202 | 363 | */ |
fc8fe3e3 | 364 | err = SR_ERR; |
269971dd | 365 | if (devc->fw_updated > 0) { |
e98b7f1b UH |
366 | sr_info("Waiting for device to reset."); |
367 | /* Takes >= 300ms for the FX2 to be gone from the USB bus. */ | |
3b533202 | 368 | g_usleep(300 * 1000); |
fc8fe3e3 BV |
369 | timediff_ms = 0; |
370 | while (timediff_ms < MAX_RENUM_DELAY_MS) { | |
25a0f108 | 371 | if ((err = dso_open(sdi)) == SR_OK) |
3b533202 BV |
372 | break; |
373 | g_usleep(100 * 1000); | |
269971dd | 374 | timediff_us = g_get_monotonic_time() - devc->fw_updated; |
fc8fe3e3 | 375 | timediff_ms = timediff_us / 1000; |
e98b7f1b | 376 | sr_spew("Waited %" PRIi64 " ms.", timediff_ms); |
3b533202 | 377 | } |
6433156c | 378 | sr_info("Device came back after %" PRIi64 " ms.", timediff_ms); |
3b533202 | 379 | } else { |
25a0f108 | 380 | err = dso_open(sdi); |
3b533202 BV |
381 | } |
382 | ||
383 | if (err != SR_OK) { | |
e98b7f1b | 384 | sr_err("Unable to open device."); |
3b533202 BV |
385 | return SR_ERR; |
386 | } | |
387 | ||
c118080b | 388 | err = libusb_claim_interface(usb->devhdl, USB_INTERFACE); |
3b533202 | 389 | if (err != 0) { |
d4928d71 | 390 | sr_err("Unable to claim interface: %s.", |
46a743c1 | 391 | libusb_error_name(err)); |
3b533202 BV |
392 | return SR_ERR; |
393 | } | |
394 | ||
395 | return SR_OK; | |
396 | } | |
397 | ||
6078d2c9 | 398 | static int dev_close(struct sr_dev_inst *sdi) |
3b533202 | 399 | { |
3b533202 BV |
400 | dso_close(sdi); |
401 | ||
402 | return SR_OK; | |
403 | } | |
404 | ||
584560f1 | 405 | static int config_get(uint32_t key, GVariant **data, const struct sr_dev_inst *sdi, |
53b4680f | 406 | const struct sr_channel_group *cg) |
79917848 | 407 | { |
933defaa | 408 | struct dev_context *devc; |
624f5b4c | 409 | struct sr_usb_dev_inst *usb; |
2c240774 UH |
410 | char str[128]; |
411 | const char *s; | |
933defaa BV |
412 | const uint64_t *vdiv; |
413 | int ch_idx; | |
79917848 | 414 | |
584560f1 | 415 | switch (key) { |
bf622e6d | 416 | case SR_CONF_NUM_HDIV: |
79917848 BV |
417 | *data = g_variant_new_int32(NUM_TIMEBASE); |
418 | break; | |
419 | case SR_CONF_NUM_VDIV: | |
420 | *data = g_variant_new_int32(NUM_VDIV); | |
421 | break; | |
933defaa BV |
422 | } |
423 | ||
424 | if (!sdi) | |
425 | return SR_ERR_ARG; | |
426 | ||
427 | devc = sdi->priv; | |
428 | if (!cg) { | |
429 | switch (key) { | |
430 | case SR_CONF_CONN: | |
431 | if (!sdi->conn) | |
432 | return SR_ERR_ARG; | |
433 | usb = sdi->conn; | |
434 | if (usb->address == 255) | |
435 | /* Device still needs to re-enumerate after firmware | |
436 | * upload, so we don't know its (future) address. */ | |
437 | return SR_ERR; | |
438 | snprintf(str, 128, "%d.%d", usb->bus, usb->address); | |
439 | *data = g_variant_new_string(str); | |
440 | break; | |
441 | case SR_CONF_TIMEBASE: | |
442 | *data = g_variant_new("(tt)", timebases[devc->timebase][0], | |
443 | timebases[devc->timebase][1]); | |
444 | break; | |
445 | case SR_CONF_BUFFERSIZE: | |
446 | *data = g_variant_new_uint64(devc->framesize); | |
447 | break; | |
448 | case SR_CONF_TRIGGER_SOURCE: | |
449 | *data = g_variant_new_string(devc->triggersource); | |
450 | break; | |
451 | case SR_CONF_TRIGGER_SLOPE: | |
c442ffda | 452 | s = (devc->triggerslope == SLOPE_POSITIVE) ? "r" : "f"; |
933defaa BV |
453 | *data = g_variant_new_string(s); |
454 | break; | |
455 | case SR_CONF_HORIZ_TRIGGERPOS: | |
456 | *data = g_variant_new_double(devc->triggerposition); | |
457 | break; | |
458 | default: | |
459 | return SR_ERR_NA; | |
460 | } | |
461 | } else { | |
462 | if (sdi->channel_groups->data == cg) | |
463 | ch_idx = 0; | |
464 | else if (sdi->channel_groups->next->data == cg) | |
465 | ch_idx = 1; | |
466 | else | |
467 | return SR_ERR_ARG; | |
0c5f2abc | 468 | switch (key) { |
933defaa BV |
469 | case SR_CONF_FILTER: |
470 | *data = g_variant_new_boolean(devc->filter[ch_idx]); | |
471 | break; | |
472 | case SR_CONF_VDIV: | |
473 | vdiv = vdivs[devc->voltage[ch_idx]]; | |
474 | *data = g_variant_new("(tt)", vdiv[0], vdiv[1]); | |
475 | break; | |
476 | case SR_CONF_COUPLING: | |
477 | *data = g_variant_new_string(coupling[devc->coupling[ch_idx]]); | |
478 | break; | |
479 | } | |
79917848 BV |
480 | } |
481 | ||
482 | return SR_OK; | |
483 | } | |
484 | ||
584560f1 | 485 | static int config_set(uint32_t key, GVariant *data, const struct sr_dev_inst *sdi, |
53b4680f | 486 | const struct sr_channel_group *cg) |
3b533202 | 487 | { |
269971dd | 488 | struct dev_context *devc; |
f627afd6 | 489 | double tmp_double; |
86bb3f4a | 490 | uint64_t tmp_u64, p, q; |
933defaa | 491 | int tmp_int, ch_idx, ret; |
f627afd6 BV |
492 | unsigned int i; |
493 | const char *tmp_str; | |
8f996b89 | 494 | |
3b533202 | 495 | if (sdi->status != SR_ST_ACTIVE) |
e73ffd42 | 496 | return SR_ERR_DEV_CLOSED; |
3b533202 | 497 | |
a370ef19 | 498 | ret = SR_OK; |
269971dd | 499 | devc = sdi->priv; |
933defaa BV |
500 | if (!cg) { |
501 | switch (key) { | |
502 | case SR_CONF_LIMIT_FRAMES: | |
503 | devc->limit_frames = g_variant_get_uint64(data); | |
504 | break; | |
505 | case SR_CONF_TRIGGER_SLOPE: | |
506 | tmp_str = g_variant_get_string(data, NULL); | |
507 | if (!tmp_str || !(tmp_str[0] == 'f' || tmp_str[0] == 'r')) | |
508 | return SR_ERR_ARG; | |
509 | devc->triggerslope = (tmp_str[0] == 'r') | |
510 | ? SLOPE_POSITIVE : SLOPE_NEGATIVE; | |
511 | break; | |
512 | case SR_CONF_HORIZ_TRIGGERPOS: | |
513 | tmp_double = g_variant_get_double(data); | |
514 | if (tmp_double < 0.0 || tmp_double > 1.0) { | |
515 | sr_err("Trigger position should be between 0.0 and 1.0."); | |
516 | ret = SR_ERR_ARG; | |
517 | } else | |
518 | devc->triggerposition = tmp_double; | |
519 | break; | |
520 | case SR_CONF_BUFFERSIZE: | |
521 | tmp_u64 = g_variant_get_uint64(data); | |
07ffa5b3 | 522 | for (i = 0; i < NUM_BUFFER_SIZES; i++) { |
933defaa BV |
523 | if (devc->profile->buffersizes[i] == tmp_u64) { |
524 | devc->framesize = tmp_u64; | |
525 | break; | |
526 | } | |
a370ef19 | 527 | } |
07ffa5b3 | 528 | if (i == NUM_BUFFER_SIZES) |
933defaa BV |
529 | ret = SR_ERR_ARG; |
530 | break; | |
531 | case SR_CONF_TIMEBASE: | |
532 | g_variant_get(data, "(tt)", &p, &q); | |
533 | tmp_int = -1; | |
534 | for (i = 0; i < ARRAY_SIZE(timebases); i++) { | |
535 | if (timebases[i][0] == p && timebases[i][1] == q) { | |
536 | tmp_int = i; | |
537 | break; | |
538 | } | |
a370ef19 | 539 | } |
933defaa BV |
540 | if (tmp_int >= 0) |
541 | devc->timebase = tmp_int; | |
542 | else | |
ebb781a6 | 543 | ret = SR_ERR_ARG; |
933defaa BV |
544 | break; |
545 | case SR_CONF_TRIGGER_SOURCE: | |
546 | tmp_str = g_variant_get_string(data, NULL); | |
547 | for (i = 0; trigger_sources[i]; i++) { | |
548 | if (!strcmp(tmp_str, trigger_sources[i])) { | |
549 | devc->triggersource = g_strdup(tmp_str); | |
550 | break; | |
551 | } | |
ebb781a6 | 552 | } |
933defaa BV |
553 | if (trigger_sources[i] == 0) |
554 | ret = SR_ERR_ARG; | |
555 | break; | |
556 | default: | |
557 | ret = SR_ERR_NA; | |
558 | break; | |
ebb781a6 | 559 | } |
933defaa BV |
560 | } else { |
561 | if (sdi->channel_groups->data == cg) | |
562 | ch_idx = 0; | |
563 | else if (sdi->channel_groups->next->data == cg) | |
564 | ch_idx = 1; | |
565 | else | |
566 | return SR_ERR_ARG; | |
567 | switch (key) { | |
568 | case SR_CONF_FILTER: | |
569 | devc->filter[ch_idx] = g_variant_get_boolean(data); | |
570 | break; | |
571 | case SR_CONF_VDIV: | |
572 | g_variant_get(data, "(tt)", &p, &q); | |
573 | tmp_int = -1; | |
574 | for (i = 0; i < ARRAY_SIZE(vdivs); i++) { | |
575 | if (vdivs[i][0] == p && vdivs[i][1] == q) { | |
576 | tmp_int = i; | |
577 | break; | |
578 | } | |
313deed2 | 579 | } |
933defaa BV |
580 | if (tmp_int >= 0) { |
581 | devc->voltage[ch_idx] = tmp_int; | |
582 | } else | |
583 | ret = SR_ERR_ARG; | |
584 | break; | |
585 | case SR_CONF_COUPLING: | |
586 | tmp_str = g_variant_get_string(data, NULL); | |
587 | for (i = 0; coupling[i]; i++) { | |
588 | if (!strcmp(tmp_str, coupling[i])) { | |
589 | devc->coupling[ch_idx] = i; | |
590 | break; | |
591 | } | |
b58fbd99 | 592 | } |
933defaa BV |
593 | if (coupling[i] == 0) |
594 | ret = SR_ERR_ARG; | |
595 | break; | |
596 | default: | |
597 | ret = SR_ERR_NA; | |
598 | break; | |
b58fbd99 | 599 | } |
3b533202 BV |
600 | } |
601 | ||
602 | return ret; | |
603 | } | |
604 | ||
584560f1 | 605 | static int config_list(uint32_t key, GVariant **data, const struct sr_dev_inst *sdi, |
53b4680f | 606 | const struct sr_channel_group *cg) |
a1c743fc | 607 | { |
034accb5 | 608 | struct dev_context *devc; |
3973ee26 BV |
609 | GVariant *tuple, *rational[2]; |
610 | GVariantBuilder gvb; | |
611 | unsigned int i; | |
a1c743fc | 612 | |
933defaa | 613 | if (key == SR_CONF_SCAN_OPTIONS) { |
584560f1 BV |
614 | *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32, |
615 | scanopts, ARRAY_SIZE(scanopts), sizeof(uint32_t)); | |
933defaa BV |
616 | return SR_OK; |
617 | } else if (key == SR_CONF_DEVICE_OPTIONS && !sdi) { | |
584560f1 | 618 | *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32, |
5ecd9049 | 619 | drvopts, ARRAY_SIZE(drvopts), sizeof(uint32_t)); |
933defaa BV |
620 | return SR_OK; |
621 | } | |
622 | ||
623 | if (!sdi) | |
624 | return SR_ERR_ARG; | |
625 | ||
626 | if (!cg) { | |
93b118da | 627 | switch (key) { |
933defaa BV |
628 | case SR_CONF_DEVICE_OPTIONS: |
629 | *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32, | |
5ecd9049 | 630 | devopts, ARRAY_SIZE(devopts), sizeof(uint32_t)); |
933defaa BV |
631 | break; |
632 | case SR_CONF_BUFFERSIZE: | |
633 | if (!sdi) | |
634 | return SR_ERR_ARG; | |
635 | devc = sdi->priv; | |
636 | *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT64, | |
07ffa5b3 | 637 | devc->profile->buffersizes, NUM_BUFFER_SIZES, sizeof(uint64_t)); |
933defaa BV |
638 | break; |
639 | case SR_CONF_TIMEBASE: | |
640 | g_variant_builder_init(&gvb, G_VARIANT_TYPE_ARRAY); | |
641 | for (i = 0; i < ARRAY_SIZE(timebases); i++) { | |
642 | rational[0] = g_variant_new_uint64(timebases[i][0]); | |
643 | rational[1] = g_variant_new_uint64(timebases[i][1]); | |
644 | tuple = g_variant_new_tuple(rational, 2); | |
645 | g_variant_builder_add_value(&gvb, tuple); | |
646 | } | |
647 | *data = g_variant_builder_end(&gvb); | |
648 | break; | |
649 | case SR_CONF_TRIGGER_SOURCE: | |
650 | *data = g_variant_new_strv(trigger_sources, | |
651 | ARRAY_SIZE(trigger_sources)); | |
652 | break; | |
653 | case SR_CONF_TRIGGER_SLOPE: | |
654 | *data = g_variant_new_strv(trigger_slopes, | |
655 | ARRAY_SIZE(trigger_slopes)); | |
656 | break; | |
657 | default: | |
658 | return SR_ERR_NA; | |
3973ee26 | 659 | } |
933defaa | 660 | } else { |
93b118da | 661 | switch (key) { |
933defaa BV |
662 | case SR_CONF_DEVICE_OPTIONS: |
663 | *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32, | |
664 | devopts_cg, ARRAY_SIZE(devopts_cg), sizeof(uint32_t)); | |
665 | break; | |
666 | case SR_CONF_COUPLING: | |
667 | *data = g_variant_new_strv(coupling, ARRAY_SIZE(coupling)); | |
668 | break; | |
669 | case SR_CONF_VDIV: | |
670 | g_variant_builder_init(&gvb, G_VARIANT_TYPE_ARRAY); | |
671 | for (i = 0; i < ARRAY_SIZE(vdivs); i++) { | |
672 | rational[0] = g_variant_new_uint64(vdivs[i][0]); | |
673 | rational[1] = g_variant_new_uint64(vdivs[i][1]); | |
674 | tuple = g_variant_new_tuple(rational, 2); | |
675 | g_variant_builder_add_value(&gvb, tuple); | |
676 | } | |
677 | *data = g_variant_builder_end(&gvb); | |
678 | break; | |
679 | default: | |
680 | return SR_ERR_NA; | |
3973ee26 | 681 | } |
a1c743fc BV |
682 | } |
683 | ||
684 | return SR_OK; | |
685 | } | |
686 | ||
69e19dd7 | 687 | static void send_chunk(struct sr_dev_inst *sdi, unsigned char *buf, |
e749a8cb | 688 | int num_samples) |
3b533202 BV |
689 | { |
690 | struct sr_datafeed_packet packet; | |
ae7d8a58 UH |
691 | struct sr_datafeed_analog analog; |
692 | struct sr_analog_encoding encoding; | |
693 | struct sr_analog_meaning meaning; | |
694 | struct sr_analog_spec spec; | |
69e19dd7 | 695 | struct dev_context *devc; |
c5841b28 | 696 | float ch1, ch2, range; |
ae7d8a58 UH |
697 | int num_channels, data_offset; |
698 | unsigned int i; | |
3b533202 | 699 | |
69e19dd7 | 700 | devc = sdi->priv; |
ba7dd8bb | 701 | num_channels = (devc->ch1_enabled && devc->ch2_enabled) ? 2 : 1; |
ae7d8a58 | 702 | packet.type = SR_DF_ANALOG; |
3b533202 | 703 | packet.payload = &analog; |
6e71ef3b | 704 | /* TODO: support for 5xxx series 9-bit samples */ |
ae7d8a58 UH |
705 | sr_analog_init(&analog, &encoding, &meaning, &spec, 0); |
706 | analog.meaning->channels = devc->enabled_channels; | |
e749a8cb | 707 | analog.num_samples = num_samples; |
ae7d8a58 UH |
708 | analog.meaning->mq = SR_MQ_VOLTAGE; |
709 | analog.meaning->unit = SR_UNIT_VOLT; | |
710 | analog.meaning->mqflags = 0; | |
886a52b6 | 711 | /* TODO: Check malloc return value. */ |
ba7dd8bb | 712 | analog.data = g_try_malloc(analog.num_samples * sizeof(float) * num_channels); |
6e71ef3b | 713 | data_offset = 0; |
3b533202 | 714 | for (i = 0; i < analog.num_samples; i++) { |
e98b7f1b UH |
715 | /* |
716 | * The device always sends data for both channels. If a channel | |
6e71ef3b | 717 | * is disabled, it contains a copy of the enabled channel's |
e98b7f1b UH |
718 | * data. However, we only send the requested channels to |
719 | * the bus. | |
c5841b28 | 720 | * |
e98b7f1b UH |
721 | * Voltage values are encoded as a value 0-255 (0-512 on the |
722 | * DSO-5200*), where the value is a point in the range | |
723 | * represented by the vdiv setting. There are 8 vertical divs, | |
724 | * so e.g. 500mV/div represents 4V peak-to-peak where 0 = -2V | |
725 | * and 255 = +2V. | |
6e71ef3b | 726 | */ |
e98b7f1b | 727 | /* TODO: Support for DSO-5xxx series 9-bit samples. */ |
269971dd | 728 | if (devc->ch1_enabled) { |
933defaa | 729 | range = ((float)vdivs[devc->voltage[0]][0] / vdivs[devc->voltage[0]][1]) * 8; |
e749a8cb | 730 | ch1 = range / 255 * *(buf + i * 2 + 1); |
c5841b28 BV |
731 | /* Value is centered around 0V. */ |
732 | ch1 -= range / 2; | |
ae7d8a58 | 733 | ((float *)analog.data)[data_offset++] = ch1; |
6e71ef3b | 734 | } |
269971dd | 735 | if (devc->ch2_enabled) { |
933defaa | 736 | range = ((float)vdivs[devc->voltage[1]][0] / vdivs[devc->voltage[1]][1]) * 8; |
e749a8cb | 737 | ch2 = range / 255 * *(buf + i * 2); |
c5841b28 | 738 | ch2 -= range / 2; |
ae7d8a58 | 739 | ((float *)analog.data)[data_offset++] = ch2; |
6e71ef3b | 740 | } |
3b533202 | 741 | } |
695dc859 | 742 | sr_session_send(sdi, &packet); |
1e6b5b93 | 743 | g_free(analog.data); |
e749a8cb BV |
744 | } |
745 | ||
e98b7f1b UH |
746 | /* |
747 | * Called by libusb (as triggered by handle_event()) when a transfer comes in. | |
e749a8cb | 748 | * Only channel data comes in asynchronously, and all transfers for this are |
e98b7f1b | 749 | * queued up beforehand, so this just needs to chuck the incoming data onto |
e749a8cb BV |
750 | * the libsigrok session bus. |
751 | */ | |
55462b8b | 752 | static void LIBUSB_CALL receive_transfer(struct libusb_transfer *transfer) |
e749a8cb BV |
753 | { |
754 | struct sr_datafeed_packet packet; | |
69e19dd7 | 755 | struct sr_dev_inst *sdi; |
269971dd | 756 | struct dev_context *devc; |
e749a8cb BV |
757 | int num_samples, pre; |
758 | ||
69e19dd7 BV |
759 | sdi = transfer->user_data; |
760 | devc = sdi->priv; | |
eb8e6cd2 UH |
761 | sr_spew("receive_transfer(): status %s received %d bytes.", |
762 | libusb_error_name(transfer->status), transfer->actual_length); | |
e749a8cb BV |
763 | |
764 | if (transfer->actual_length == 0) | |
765 | /* Nothing to send to the bus. */ | |
766 | return; | |
767 | ||
768 | num_samples = transfer->actual_length / 2; | |
769 | ||
d4007311 | 770 | sr_spew("Got %d-%d/%d samples in frame.", devc->samp_received + 1, |
46a743c1 | 771 | devc->samp_received + num_samples, devc->framesize); |
e749a8cb | 772 | |
e98b7f1b UH |
773 | /* |
774 | * The device always sends a full frame, but the beginning of the frame | |
e749a8cb BV |
775 | * doesn't represent the trigger point. The offset at which the trigger |
776 | * happened came in with the capture state, so we need to start sending | |
e98b7f1b UH |
777 | * from there up the session bus. The samples in the frame buffer |
778 | * before that trigger point came after the end of the device's frame | |
779 | * buffer was reached, and it wrapped around to overwrite up until the | |
780 | * trigger point. | |
e749a8cb | 781 | */ |
269971dd | 782 | if (devc->samp_received < devc->trigger_offset) { |
e749a8cb | 783 | /* Trigger point not yet reached. */ |
269971dd | 784 | if (devc->samp_received + num_samples < devc->trigger_offset) { |
e749a8cb | 785 | /* The entire chunk is before the trigger point. */ |
269971dd | 786 | memcpy(devc->framebuf + devc->samp_buffered * 2, |
e749a8cb | 787 | transfer->buffer, num_samples * 2); |
269971dd | 788 | devc->samp_buffered += num_samples; |
e749a8cb | 789 | } else { |
e98b7f1b UH |
790 | /* |
791 | * This chunk hits or overruns the trigger point. | |
e749a8cb | 792 | * Store the part before the trigger fired, and |
e98b7f1b UH |
793 | * send the rest up to the session bus. |
794 | */ | |
269971dd BV |
795 | pre = devc->trigger_offset - devc->samp_received; |
796 | memcpy(devc->framebuf + devc->samp_buffered * 2, | |
e749a8cb | 797 | transfer->buffer, pre * 2); |
269971dd | 798 | devc->samp_buffered += pre; |
e749a8cb BV |
799 | |
800 | /* The rest of this chunk starts with the trigger point. */ | |
e98b7f1b | 801 | sr_dbg("Reached trigger point, %d samples buffered.", |
46a743c1 | 802 | devc->samp_buffered); |
e749a8cb BV |
803 | |
804 | /* Avoid the corner case where the chunk ended at | |
805 | * exactly the trigger point. */ | |
806 | if (num_samples > pre) | |
69e19dd7 | 807 | send_chunk(sdi, transfer->buffer + pre * 2, |
e749a8cb BV |
808 | num_samples - pre); |
809 | } | |
810 | } else { | |
811 | /* Already past the trigger point, just send it all out. */ | |
a95f142e | 812 | send_chunk(sdi, transfer->buffer, num_samples); |
e749a8cb BV |
813 | } |
814 | ||
269971dd | 815 | devc->samp_received += num_samples; |
e749a8cb BV |
816 | |
817 | /* Everything in this transfer was either copied to the buffer or | |
818 | * sent to the session bus. */ | |
3b533202 BV |
819 | g_free(transfer->buffer); |
820 | libusb_free_transfer(transfer); | |
3b533202 | 821 | |
269971dd | 822 | if (devc->samp_received >= devc->framesize) { |
e749a8cb BV |
823 | /* That was the last chunk in this frame. Send the buffered |
824 | * pre-trigger samples out now, in one big chunk. */ | |
e98b7f1b | 825 | sr_dbg("End of frame, sending %d pre-trigger buffered samples.", |
46a743c1 | 826 | devc->samp_buffered); |
69e19dd7 | 827 | send_chunk(sdi, devc->framebuf, devc->samp_buffered); |
e749a8cb BV |
828 | |
829 | /* Mark the end of this frame. */ | |
ae88b97b | 830 | packet.type = SR_DF_FRAME_END; |
695dc859 | 831 | sr_session_send(sdi, &packet); |
ae88b97b | 832 | |
269971dd | 833 | if (devc->limit_frames && ++devc->num_frames == devc->limit_frames) { |
ae88b97b | 834 | /* Terminate session */ |
a3508e33 | 835 | devc->dev_state = STOPPING; |
ae88b97b | 836 | } else { |
269971dd | 837 | devc->dev_state = NEW_CAPTURE; |
ae88b97b BV |
838 | } |
839 | } | |
3b533202 BV |
840 | } |
841 | ||
842 | static int handle_event(int fd, int revents, void *cb_data) | |
843 | { | |
a3508e33 | 844 | const struct sr_dev_inst *sdi; |
ae88b97b | 845 | struct sr_datafeed_packet packet; |
3b533202 | 846 | struct timeval tv; |
4f840ce9 | 847 | struct sr_dev_driver *di; |
269971dd | 848 | struct dev_context *devc; |
4f840ce9 | 849 | struct drv_context *drvc; |
ba7dd8bb | 850 | int num_channels; |
6e6eeff4 BV |
851 | uint32_t trigger_offset; |
852 | uint8_t capturestate; | |
3b533202 | 853 | |
3b533202 BV |
854 | (void)fd; |
855 | (void)revents; | |
856 | ||
269971dd | 857 | sdi = cb_data; |
4f840ce9 | 858 | di = sdi->driver; |
41812aca | 859 | drvc = di->context; |
269971dd | 860 | devc = sdi->priv; |
a3508e33 BV |
861 | if (devc->dev_state == STOPPING) { |
862 | /* We've been told to wind up the acquisition. */ | |
e98b7f1b UH |
863 | sr_dbg("Stopping acquisition."); |
864 | /* | |
865 | * TODO: Doesn't really cancel pending transfers so they might | |
866 | * come in after SR_DF_END is sent. | |
867 | */ | |
102f1239 | 868 | usb_source_remove(sdi->session, drvc->sr_ctx); |
a3508e33 | 869 | |
bee2b016 | 870 | std_session_send_df_end(sdi); |
a3508e33 BV |
871 | |
872 | devc->dev_state = IDLE; | |
873 | ||
874 | return TRUE; | |
875 | } | |
876 | ||
3b533202 BV |
877 | /* Always handle pending libusb events. */ |
878 | tv.tv_sec = tv.tv_usec = 0; | |
d4abb463 | 879 | libusb_handle_events_timeout(drvc->sr_ctx->libusb_ctx, &tv); |
3b533202 | 880 | |
3b533202 | 881 | /* TODO: ugh */ |
269971dd | 882 | if (devc->dev_state == NEW_CAPTURE) { |
c118080b | 883 | if (dso_capture_start(sdi) != SR_OK) |
3b533202 | 884 | return TRUE; |
c118080b | 885 | if (dso_enable_trigger(sdi) != SR_OK) |
3b533202 | 886 | return TRUE; |
c118080b | 887 | // if (dso_force_trigger(sdi) != SR_OK) |
a370ef19 | 888 | // return TRUE; |
e98b7f1b | 889 | sr_dbg("Successfully requested next chunk."); |
269971dd | 890 | devc->dev_state = CAPTURE; |
3b533202 BV |
891 | return TRUE; |
892 | } | |
269971dd | 893 | if (devc->dev_state != CAPTURE) |
3b533202 BV |
894 | return TRUE; |
895 | ||
c118080b | 896 | if ((dso_get_capturestate(sdi, &capturestate, &trigger_offset)) != SR_OK) |
3b533202 | 897 | return TRUE; |
3b533202 | 898 | |
e98b7f1b UH |
899 | sr_dbg("Capturestate %d.", capturestate); |
900 | sr_dbg("Trigger offset 0x%.6x.", trigger_offset); | |
3b533202 BV |
901 | switch (capturestate) { |
902 | case CAPTURE_EMPTY: | |
269971dd BV |
903 | if (++devc->capture_empty_count >= MAX_CAPTURE_EMPTY) { |
904 | devc->capture_empty_count = 0; | |
c118080b | 905 | if (dso_capture_start(sdi) != SR_OK) |
3b533202 | 906 | break; |
c118080b | 907 | if (dso_enable_trigger(sdi) != SR_OK) |
3b533202 | 908 | break; |
c118080b | 909 | // if (dso_force_trigger(sdi) != SR_OK) |
a370ef19 | 910 | // break; |
e98b7f1b | 911 | sr_dbg("Successfully requested next chunk."); |
3b533202 BV |
912 | } |
913 | break; | |
914 | case CAPTURE_FILLING: | |
e98b7f1b | 915 | /* No data yet. */ |
3b533202 BV |
916 | break; |
917 | case CAPTURE_READY_8BIT: | |
e749a8cb | 918 | /* Remember where in the captured frame the trigger is. */ |
269971dd | 919 | devc->trigger_offset = trigger_offset; |
e749a8cb | 920 | |
ba7dd8bb | 921 | num_channels = (devc->ch1_enabled && devc->ch2_enabled) ? 2 : 1; |
a95f142e | 922 | devc->framebuf = g_malloc(devc->framesize * num_channels * 2); |
269971dd | 923 | devc->samp_buffered = devc->samp_received = 0; |
e749a8cb | 924 | |
3b533202 | 925 | /* Tell the scope to send us the first frame. */ |
69e19dd7 | 926 | if (dso_get_channeldata(sdi, receive_transfer) != SR_OK) |
3b533202 | 927 | break; |
ae88b97b | 928 | |
e98b7f1b UH |
929 | /* |
930 | * Don't hit the state machine again until we're done fetching | |
ae88b97b BV |
931 | * the data we just told the scope to send. |
932 | */ | |
269971dd | 933 | devc->dev_state = FETCH_DATA; |
ae88b97b BV |
934 | |
935 | /* Tell the frontend a new frame is on the way. */ | |
936 | packet.type = SR_DF_FRAME_BEGIN; | |
269971dd | 937 | sr_session_send(sdi, &packet); |
3b533202 BV |
938 | break; |
939 | case CAPTURE_READY_9BIT: | |
940 | /* TODO */ | |
e98b7f1b | 941 | sr_err("Not yet supported."); |
3b533202 BV |
942 | break; |
943 | case CAPTURE_TIMEOUT: | |
944 | /* Doesn't matter, we'll try again next time. */ | |
945 | break; | |
946 | default: | |
e98b7f1b UH |
947 | sr_dbg("Unknown capture state: %d.", capturestate); |
948 | break; | |
3b533202 BV |
949 | } |
950 | ||
951 | return TRUE; | |
952 | } | |
953 | ||
695dc859 | 954 | static int dev_acquisition_start(const struct sr_dev_inst *sdi) |
3b533202 | 955 | { |
269971dd | 956 | struct dev_context *devc; |
4f840ce9 | 957 | struct sr_dev_driver *di = sdi->driver; |
41812aca | 958 | struct drv_context *drvc = di->context; |
3b533202 | 959 | |
3b533202 | 960 | if (sdi->status != SR_ST_ACTIVE) |
e73ffd42 | 961 | return SR_ERR_DEV_CLOSED; |
3b533202 | 962 | |
269971dd | 963 | devc = sdi->priv; |
3b533202 | 964 | |
ba7dd8bb UH |
965 | if (configure_channels(sdi) != SR_OK) { |
966 | sr_err("Failed to configure channels."); | |
014359e3 BV |
967 | return SR_ERR; |
968 | } | |
969 | ||
c118080b | 970 | if (dso_init(sdi) != SR_OK) |
3b533202 BV |
971 | return SR_ERR; |
972 | ||
c118080b | 973 | if (dso_capture_start(sdi) != SR_OK) |
3b533202 BV |
974 | return SR_ERR; |
975 | ||
269971dd | 976 | devc->dev_state = CAPTURE; |
102f1239 | 977 | usb_source_add(sdi->session, drvc->sr_ctx, TICK, handle_event, (void *)sdi); |
3b533202 | 978 | |
bee2b016 | 979 | std_session_send_df_header(sdi); |
3b533202 | 980 | |
3b533202 BV |
981 | return SR_OK; |
982 | } | |
983 | ||
695dc859 | 984 | static int dev_acquisition_stop(struct sr_dev_inst *sdi) |
3b533202 | 985 | { |
269971dd BV |
986 | struct dev_context *devc; |
987 | ||
3b533202 BV |
988 | if (sdi->status != SR_ST_ACTIVE) |
989 | return SR_ERR; | |
990 | ||
a3508e33 BV |
991 | devc = sdi->priv; |
992 | devc->dev_state = STOPPING; | |
3b533202 BV |
993 | |
994 | return SR_OK; | |
995 | } | |
996 | ||
dd5c48a6 | 997 | static struct sr_dev_driver hantek_dso_driver_info = { |
3b533202 BV |
998 | .name = "hantek-dso", |
999 | .longname = "Hantek DSO", | |
1000 | .api_version = 1, | |
c2fdcc25 | 1001 | .init = std_init, |
700d6b64 | 1002 | .cleanup = std_cleanup, |
6078d2c9 | 1003 | .scan = scan, |
c01bf34c | 1004 | .dev_list = std_dev_list, |
3b412e3a | 1005 | .dev_clear = dev_clear, |
79917848 | 1006 | .config_get = config_get, |
035a1078 | 1007 | .config_set = config_set, |
a1c743fc | 1008 | .config_list = config_list, |
6078d2c9 UH |
1009 | .dev_open = dev_open, |
1010 | .dev_close = dev_close, | |
1011 | .dev_acquisition_start = dev_acquisition_start, | |
1012 | .dev_acquisition_stop = dev_acquisition_stop, | |
41812aca | 1013 | .context = NULL, |
3b533202 | 1014 | }; |
dd5c48a6 | 1015 | SR_REGISTER_DEV_DRIVER(hantek_dso_driver_info); |