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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 | ||
982947f7 | 163 | SR_PRIV struct sr_dev_driver hantek_dso_driver_info; |
e98b7f1b | 164 | |
695dc859 | 165 | static int dev_acquisition_stop(struct sr_dev_inst *sdi); |
3b533202 | 166 | |
395206f4 | 167 | static struct sr_dev_inst *dso_dev_new(const struct dso_profile *prof) |
3b533202 BV |
168 | { |
169 | struct sr_dev_inst *sdi; | |
ba7dd8bb | 170 | struct sr_channel *ch; |
933defaa | 171 | struct sr_channel_group *cg; |
269971dd BV |
172 | struct drv_context *drvc; |
173 | struct dev_context *devc; | |
dcd438ee | 174 | unsigned int i; |
3b533202 | 175 | |
aac29cc1 | 176 | sdi = g_malloc0(sizeof(struct sr_dev_inst)); |
0af636be UH |
177 | sdi->status = SR_ST_INITIALIZING; |
178 | sdi->vendor = g_strdup(prof->vendor); | |
179 | sdi->model = g_strdup(prof->model); | |
4f840ce9 | 180 | sdi->driver = &hantek_dso_driver_info; |
3b533202 | 181 | |
e98b7f1b | 182 | /* |
ba7dd8bb | 183 | * Add only the real channels -- EXT isn't a source of data, only |
87ca93c5 BV |
184 | * a trigger source internal to the device. |
185 | */ | |
0f34cb47 | 186 | for (i = 0; i < ARRAY_SIZE(channel_names); i++) { |
5e23fcab | 187 | ch = sr_channel_new(sdi, i, SR_CHANNEL_ANALOG, TRUE, channel_names[i]); |
933defaa BV |
188 | cg = g_malloc0(sizeof(struct sr_channel_group)); |
189 | cg->name = g_strdup(channel_names[i]); | |
190 | cg->channels = g_slist_append(cg->channels, ch); | |
191 | sdi->channel_groups = g_slist_append(sdi->channel_groups, cg); | |
87ca93c5 BV |
192 | } |
193 | ||
933defaa | 194 | devc = g_malloc0(sizeof(struct dev_context)); |
269971dd BV |
195 | devc->profile = prof; |
196 | devc->dev_state = IDLE; | |
197 | devc->timebase = DEFAULT_TIMEBASE; | |
198 | devc->ch1_enabled = TRUE; | |
199 | devc->ch2_enabled = TRUE; | |
933defaa BV |
200 | devc->voltage[0] = DEFAULT_VOLTAGE; |
201 | devc->voltage[1] = DEFAULT_VOLTAGE; | |
202 | devc->coupling[0] = DEFAULT_COUPLING; | |
203 | devc->coupling[1] = DEFAULT_COUPLING; | |
269971dd BV |
204 | devc->voffset_ch1 = DEFAULT_VERT_OFFSET; |
205 | devc->voffset_ch2 = DEFAULT_VERT_OFFSET; | |
206 | devc->voffset_trigger = DEFAULT_VERT_TRIGGERPOS; | |
207 | devc->framesize = DEFAULT_FRAMESIZE; | |
208 | devc->triggerslope = SLOPE_POSITIVE; | |
209 | devc->triggersource = g_strdup(DEFAULT_TRIGGER_SOURCE); | |
210 | devc->triggerposition = DEFAULT_HORIZ_TRIGGERPOS; | |
211 | sdi->priv = devc; | |
41812aca | 212 | drvc = hantek_dso_driver_info.context; |
269971dd | 213 | drvc->instances = g_slist_append(drvc->instances, sdi); |
3b533202 BV |
214 | |
215 | return sdi; | |
216 | } | |
217 | ||
ba7dd8bb | 218 | static int configure_channels(const struct sr_dev_inst *sdi) |
3b533202 | 219 | { |
014359e3 | 220 | struct dev_context *devc; |
ba7dd8bb | 221 | struct sr_channel *ch; |
62bb8840 | 222 | const GSList *l; |
69e19dd7 | 223 | int p; |
3b533202 | 224 | |
014359e3 BV |
225 | devc = sdi->priv; |
226 | ||
ba7dd8bb | 227 | g_slist_free(devc->enabled_channels); |
269971dd | 228 | devc->ch1_enabled = devc->ch2_enabled = FALSE; |
ba7dd8bb UH |
229 | for (l = sdi->channels, p = 0; l; l = l->next, p++) { |
230 | ch = l->data; | |
69e19dd7 | 231 | if (p == 0) |
ba7dd8bb | 232 | devc->ch1_enabled = ch->enabled; |
69e19dd7 | 233 | else |
ba7dd8bb UH |
234 | devc->ch2_enabled = ch->enabled; |
235 | if (ch->enabled) | |
236 | devc->enabled_channels = g_slist_append(devc->enabled_channels, ch); | |
3b533202 BV |
237 | } |
238 | ||
239 | return SR_OK; | |
240 | } | |
241 | ||
949b3dc0 | 242 | static void clear_dev_context(void *priv) |
39cfdd75 | 243 | { |
269971dd | 244 | struct dev_context *devc; |
39cfdd75 | 245 | |
949b3dc0 BV |
246 | devc = priv; |
247 | g_free(devc->triggersource); | |
ba7dd8bb | 248 | g_slist_free(devc->enabled_channels); |
39cfdd75 | 249 | |
949b3dc0 | 250 | } |
39cfdd75 | 251 | |
4f840ce9 | 252 | static int dev_clear(const struct sr_dev_driver *di) |
949b3dc0 BV |
253 | { |
254 | return std_dev_clear(di, clear_dev_context); | |
39cfdd75 BV |
255 | } |
256 | ||
4f840ce9 | 257 | static GSList *scan(struct sr_dev_driver *di, GSList *options) |
3b533202 | 258 | { |
269971dd BV |
259 | struct drv_context *drvc; |
260 | struct dev_context *devc; | |
294dbac7 | 261 | struct sr_dev_inst *sdi; |
46a743c1 BV |
262 | struct sr_usb_dev_inst *usb; |
263 | struct sr_config *src; | |
294dbac7 BV |
264 | const struct dso_profile *prof; |
265 | GSList *l, *devices, *conn_devices; | |
39cfdd75 | 266 | struct libusb_device_descriptor des; |
3b533202 | 267 | libusb_device **devlist; |
2a8f2d41 | 268 | int i, j; |
46a743c1 | 269 | const char *conn; |
395206f4 | 270 | char connection_id[64]; |
e98b7f1b | 271 | |
41812aca | 272 | drvc = di->context; |
39cfdd75 | 273 | |
4b97c74e UH |
274 | devices = 0; |
275 | ||
294dbac7 BV |
276 | conn = NULL; |
277 | for (l = options; l; l = l->next) { | |
278 | src = l->data; | |
279 | if (src->key == SR_CONF_CONN) { | |
280 | conn = g_variant_get_string(src->data, NULL); | |
281 | break; | |
282 | } | |
283 | } | |
284 | if (conn) | |
285 | conn_devices = sr_usb_find(drvc->sr_ctx->libusb_ctx, conn); | |
286 | else | |
287 | conn_devices = NULL; | |
288 | ||
39cfdd75 | 289 | /* Find all Hantek DSO devices and upload firmware to all of them. */ |
d4abb463 | 290 | libusb_get_device_list(drvc->sr_ctx->libusb_ctx, &devlist); |
3b533202 | 291 | for (i = 0; devlist[i]; i++) { |
46a743c1 | 292 | if (conn) { |
294dbac7 BV |
293 | usb = NULL; |
294 | for (l = conn_devices; l; l = l->next) { | |
295 | usb = l->data; | |
296 | if (usb->bus == libusb_get_bus_number(devlist[i]) | |
297 | && usb->address == libusb_get_device_address(devlist[i])) | |
298 | break; | |
299 | } | |
300 | if (!l) | |
301 | /* This device matched none of the ones that | |
302 | * matched the conn specification. */ | |
303 | continue; | |
46a743c1 | 304 | } |
294dbac7 | 305 | |
2a8f2d41 | 306 | libusb_get_device_descriptor(devlist[i], &des); |
3b533202 | 307 | |
395206f4 SA |
308 | usb_get_port_path(devlist[i], connection_id, sizeof(connection_id)); |
309 | ||
3b533202 BV |
310 | prof = NULL; |
311 | for (j = 0; dev_profiles[j].orig_vid; j++) { | |
312 | if (des.idVendor == dev_profiles[j].orig_vid | |
313 | && des.idProduct == dev_profiles[j].orig_pid) { | |
314 | /* Device matches the pre-firmware profile. */ | |
315 | prof = &dev_profiles[j]; | |
e98b7f1b | 316 | sr_dbg("Found a %s %s.", prof->vendor, prof->model); |
395206f4 SA |
317 | sdi = dso_dev_new(prof); |
318 | sdi->connection_id = g_strdup(connection_id); | |
39cfdd75 | 319 | devices = g_slist_append(devices, sdi); |
269971dd | 320 | devc = sdi->priv; |
8e2d6c9d DE |
321 | if (ezusb_upload_firmware(drvc->sr_ctx, devlist[i], |
322 | USB_CONFIGURATION, prof->firmware) == SR_OK) | |
3b533202 | 323 | /* Remember when the firmware on this device was updated */ |
269971dd | 324 | devc->fw_updated = g_get_monotonic_time(); |
3b533202 | 325 | else |
395206f4 | 326 | sr_err("Firmware upload failed"); |
3b533202 | 327 | /* Dummy USB address of 0xff will get overwritten later. */ |
c118080b | 328 | sdi->conn = sr_usb_dev_inst_new( |
3b533202 | 329 | libusb_get_bus_number(devlist[i]), 0xff, NULL); |
3b533202 BV |
330 | break; |
331 | } else if (des.idVendor == dev_profiles[j].fw_vid | |
332 | && des.idProduct == dev_profiles[j].fw_pid) { | |
333 | /* Device matches the post-firmware profile. */ | |
334 | prof = &dev_profiles[j]; | |
e98b7f1b | 335 | sr_dbg("Found a %s %s.", prof->vendor, prof->model); |
395206f4 SA |
336 | sdi = dso_dev_new(prof); |
337 | sdi->connection_id = g_strdup(connection_id); | |
3b533202 | 338 | sdi->status = SR_ST_INACTIVE; |
39cfdd75 | 339 | devices = g_slist_append(devices, sdi); |
d0eec1ee | 340 | sdi->inst_type = SR_INST_USB; |
c118080b | 341 | sdi->conn = sr_usb_dev_inst_new( |
3b533202 BV |
342 | libusb_get_bus_number(devlist[i]), |
343 | libusb_get_device_address(devlist[i]), NULL); | |
3b533202 BV |
344 | break; |
345 | } | |
346 | } | |
347 | if (!prof) | |
348 | /* not a supported VID/PID */ | |
349 | continue; | |
350 | } | |
351 | libusb_free_device_list(devlist, 1); | |
352 | ||
39cfdd75 | 353 | return devices; |
3b533202 BV |
354 | } |
355 | ||
6078d2c9 | 356 | static int dev_open(struct sr_dev_inst *sdi) |
3b533202 | 357 | { |
269971dd | 358 | struct dev_context *devc; |
c118080b | 359 | struct sr_usb_dev_inst *usb; |
fc8fe3e3 BV |
360 | int64_t timediff_us, timediff_ms; |
361 | int err; | |
3b533202 | 362 | |
269971dd | 363 | devc = sdi->priv; |
c118080b | 364 | usb = sdi->conn; |
3b533202 BV |
365 | |
366 | /* | |
e98b7f1b UH |
367 | * If the firmware was recently uploaded, wait up to MAX_RENUM_DELAY_MS |
368 | * for the FX2 to renumerate. | |
3b533202 | 369 | */ |
fc8fe3e3 | 370 | err = SR_ERR; |
269971dd | 371 | if (devc->fw_updated > 0) { |
e98b7f1b UH |
372 | sr_info("Waiting for device to reset."); |
373 | /* Takes >= 300ms for the FX2 to be gone from the USB bus. */ | |
3b533202 | 374 | g_usleep(300 * 1000); |
fc8fe3e3 BV |
375 | timediff_ms = 0; |
376 | while (timediff_ms < MAX_RENUM_DELAY_MS) { | |
25a0f108 | 377 | if ((err = dso_open(sdi)) == SR_OK) |
3b533202 BV |
378 | break; |
379 | g_usleep(100 * 1000); | |
269971dd | 380 | timediff_us = g_get_monotonic_time() - devc->fw_updated; |
fc8fe3e3 | 381 | timediff_ms = timediff_us / 1000; |
e98b7f1b | 382 | sr_spew("Waited %" PRIi64 " ms.", timediff_ms); |
3b533202 | 383 | } |
6433156c | 384 | sr_info("Device came back after %" PRIi64 " ms.", timediff_ms); |
3b533202 | 385 | } else { |
25a0f108 | 386 | err = dso_open(sdi); |
3b533202 BV |
387 | } |
388 | ||
389 | if (err != SR_OK) { | |
e98b7f1b | 390 | sr_err("Unable to open device."); |
3b533202 BV |
391 | return SR_ERR; |
392 | } | |
393 | ||
c118080b | 394 | err = libusb_claim_interface(usb->devhdl, USB_INTERFACE); |
3b533202 | 395 | if (err != 0) { |
d4928d71 | 396 | sr_err("Unable to claim interface: %s.", |
46a743c1 | 397 | libusb_error_name(err)); |
3b533202 BV |
398 | return SR_ERR; |
399 | } | |
400 | ||
401 | return SR_OK; | |
402 | } | |
403 | ||
6078d2c9 | 404 | static int dev_close(struct sr_dev_inst *sdi) |
3b533202 | 405 | { |
3b533202 BV |
406 | dso_close(sdi); |
407 | ||
408 | return SR_OK; | |
409 | } | |
410 | ||
584560f1 | 411 | static int config_get(uint32_t key, GVariant **data, const struct sr_dev_inst *sdi, |
53b4680f | 412 | const struct sr_channel_group *cg) |
79917848 | 413 | { |
933defaa | 414 | struct dev_context *devc; |
624f5b4c | 415 | struct sr_usb_dev_inst *usb; |
2c240774 UH |
416 | char str[128]; |
417 | const char *s; | |
933defaa BV |
418 | const uint64_t *vdiv; |
419 | int ch_idx; | |
79917848 | 420 | |
584560f1 | 421 | switch (key) { |
bf622e6d | 422 | case SR_CONF_NUM_HDIV: |
79917848 BV |
423 | *data = g_variant_new_int32(NUM_TIMEBASE); |
424 | break; | |
425 | case SR_CONF_NUM_VDIV: | |
426 | *data = g_variant_new_int32(NUM_VDIV); | |
427 | break; | |
933defaa BV |
428 | } |
429 | ||
430 | if (!sdi) | |
431 | return SR_ERR_ARG; | |
432 | ||
433 | devc = sdi->priv; | |
434 | if (!cg) { | |
435 | switch (key) { | |
436 | case SR_CONF_CONN: | |
437 | if (!sdi->conn) | |
438 | return SR_ERR_ARG; | |
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; | |
447 | case SR_CONF_TIMEBASE: | |
448 | *data = g_variant_new("(tt)", timebases[devc->timebase][0], | |
449 | timebases[devc->timebase][1]); | |
450 | break; | |
451 | case SR_CONF_BUFFERSIZE: | |
452 | *data = g_variant_new_uint64(devc->framesize); | |
453 | break; | |
454 | case SR_CONF_TRIGGER_SOURCE: | |
455 | *data = g_variant_new_string(devc->triggersource); | |
456 | break; | |
457 | case SR_CONF_TRIGGER_SLOPE: | |
c442ffda | 458 | s = (devc->triggerslope == SLOPE_POSITIVE) ? "r" : "f"; |
933defaa BV |
459 | *data = g_variant_new_string(s); |
460 | break; | |
461 | case SR_CONF_HORIZ_TRIGGERPOS: | |
462 | *data = g_variant_new_double(devc->triggerposition); | |
463 | break; | |
464 | default: | |
465 | return SR_ERR_NA; | |
466 | } | |
467 | } else { | |
468 | if (sdi->channel_groups->data == cg) | |
469 | ch_idx = 0; | |
470 | else if (sdi->channel_groups->next->data == cg) | |
471 | ch_idx = 1; | |
472 | else | |
473 | return SR_ERR_ARG; | |
0c5f2abc | 474 | switch (key) { |
933defaa BV |
475 | case SR_CONF_FILTER: |
476 | *data = g_variant_new_boolean(devc->filter[ch_idx]); | |
477 | break; | |
478 | case SR_CONF_VDIV: | |
479 | vdiv = vdivs[devc->voltage[ch_idx]]; | |
480 | *data = g_variant_new("(tt)", vdiv[0], vdiv[1]); | |
481 | break; | |
482 | case SR_CONF_COUPLING: | |
483 | *data = g_variant_new_string(coupling[devc->coupling[ch_idx]]); | |
484 | break; | |
485 | } | |
79917848 BV |
486 | } |
487 | ||
488 | return SR_OK; | |
489 | } | |
490 | ||
584560f1 | 491 | static int config_set(uint32_t key, GVariant *data, const struct sr_dev_inst *sdi, |
53b4680f | 492 | const struct sr_channel_group *cg) |
3b533202 | 493 | { |
269971dd | 494 | struct dev_context *devc; |
f627afd6 | 495 | double tmp_double; |
86bb3f4a | 496 | uint64_t tmp_u64, p, q; |
933defaa | 497 | int tmp_int, ch_idx, ret; |
f627afd6 BV |
498 | unsigned int i; |
499 | const char *tmp_str; | |
8f996b89 | 500 | |
3b533202 | 501 | if (sdi->status != SR_ST_ACTIVE) |
e73ffd42 | 502 | return SR_ERR_DEV_CLOSED; |
3b533202 | 503 | |
a370ef19 | 504 | ret = SR_OK; |
269971dd | 505 | devc = sdi->priv; |
933defaa BV |
506 | if (!cg) { |
507 | switch (key) { | |
508 | case SR_CONF_LIMIT_FRAMES: | |
509 | devc->limit_frames = g_variant_get_uint64(data); | |
510 | break; | |
511 | case SR_CONF_TRIGGER_SLOPE: | |
512 | tmp_str = g_variant_get_string(data, NULL); | |
513 | if (!tmp_str || !(tmp_str[0] == 'f' || tmp_str[0] == 'r')) | |
514 | return SR_ERR_ARG; | |
515 | devc->triggerslope = (tmp_str[0] == 'r') | |
516 | ? SLOPE_POSITIVE : SLOPE_NEGATIVE; | |
517 | break; | |
518 | case SR_CONF_HORIZ_TRIGGERPOS: | |
519 | tmp_double = g_variant_get_double(data); | |
520 | if (tmp_double < 0.0 || tmp_double > 1.0) { | |
521 | sr_err("Trigger position should be between 0.0 and 1.0."); | |
522 | ret = SR_ERR_ARG; | |
523 | } else | |
524 | devc->triggerposition = tmp_double; | |
525 | break; | |
526 | case SR_CONF_BUFFERSIZE: | |
527 | tmp_u64 = g_variant_get_uint64(data); | |
07ffa5b3 | 528 | for (i = 0; i < NUM_BUFFER_SIZES; i++) { |
933defaa BV |
529 | if (devc->profile->buffersizes[i] == tmp_u64) { |
530 | devc->framesize = tmp_u64; | |
531 | break; | |
532 | } | |
a370ef19 | 533 | } |
07ffa5b3 | 534 | if (i == NUM_BUFFER_SIZES) |
933defaa BV |
535 | ret = SR_ERR_ARG; |
536 | break; | |
537 | case SR_CONF_TIMEBASE: | |
538 | g_variant_get(data, "(tt)", &p, &q); | |
539 | tmp_int = -1; | |
540 | for (i = 0; i < ARRAY_SIZE(timebases); i++) { | |
541 | if (timebases[i][0] == p && timebases[i][1] == q) { | |
542 | tmp_int = i; | |
543 | break; | |
544 | } | |
a370ef19 | 545 | } |
933defaa BV |
546 | if (tmp_int >= 0) |
547 | devc->timebase = tmp_int; | |
548 | else | |
ebb781a6 | 549 | ret = SR_ERR_ARG; |
933defaa BV |
550 | break; |
551 | case SR_CONF_TRIGGER_SOURCE: | |
552 | tmp_str = g_variant_get_string(data, NULL); | |
553 | for (i = 0; trigger_sources[i]; i++) { | |
554 | if (!strcmp(tmp_str, trigger_sources[i])) { | |
555 | devc->triggersource = g_strdup(tmp_str); | |
556 | break; | |
557 | } | |
ebb781a6 | 558 | } |
933defaa BV |
559 | if (trigger_sources[i] == 0) |
560 | ret = SR_ERR_ARG; | |
561 | break; | |
562 | default: | |
563 | ret = SR_ERR_NA; | |
564 | break; | |
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: | |
578 | g_variant_get(data, "(tt)", &p, &q); | |
579 | tmp_int = -1; | |
580 | for (i = 0; i < ARRAY_SIZE(vdivs); i++) { | |
581 | if (vdivs[i][0] == p && vdivs[i][1] == q) { | |
582 | tmp_int = i; | |
583 | break; | |
584 | } | |
313deed2 | 585 | } |
933defaa BV |
586 | if (tmp_int >= 0) { |
587 | devc->voltage[ch_idx] = tmp_int; | |
588 | } else | |
589 | ret = SR_ERR_ARG; | |
590 | break; | |
591 | case SR_CONF_COUPLING: | |
592 | tmp_str = g_variant_get_string(data, NULL); | |
593 | for (i = 0; coupling[i]; i++) { | |
594 | if (!strcmp(tmp_str, coupling[i])) { | |
595 | devc->coupling[ch_idx] = i; | |
596 | break; | |
597 | } | |
b58fbd99 | 598 | } |
933defaa BV |
599 | if (coupling[i] == 0) |
600 | ret = SR_ERR_ARG; | |
601 | break; | |
602 | default: | |
603 | ret = SR_ERR_NA; | |
604 | break; | |
b58fbd99 | 605 | } |
3b533202 BV |
606 | } |
607 | ||
608 | return ret; | |
609 | } | |
610 | ||
584560f1 | 611 | static int config_list(uint32_t key, GVariant **data, const struct sr_dev_inst *sdi, |
53b4680f | 612 | const struct sr_channel_group *cg) |
a1c743fc | 613 | { |
034accb5 | 614 | struct dev_context *devc; |
3973ee26 BV |
615 | GVariant *tuple, *rational[2]; |
616 | GVariantBuilder gvb; | |
617 | unsigned int i; | |
a1c743fc | 618 | |
933defaa | 619 | if (key == SR_CONF_SCAN_OPTIONS) { |
584560f1 BV |
620 | *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32, |
621 | scanopts, ARRAY_SIZE(scanopts), sizeof(uint32_t)); | |
933defaa BV |
622 | return SR_OK; |
623 | } else if (key == SR_CONF_DEVICE_OPTIONS && !sdi) { | |
584560f1 | 624 | *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32, |
5ecd9049 | 625 | drvopts, ARRAY_SIZE(drvopts), sizeof(uint32_t)); |
933defaa BV |
626 | return SR_OK; |
627 | } | |
628 | ||
629 | if (!sdi) | |
630 | return SR_ERR_ARG; | |
631 | ||
632 | if (!cg) { | |
93b118da | 633 | switch (key) { |
933defaa BV |
634 | case SR_CONF_DEVICE_OPTIONS: |
635 | *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32, | |
5ecd9049 | 636 | devopts, ARRAY_SIZE(devopts), sizeof(uint32_t)); |
933defaa BV |
637 | break; |
638 | case SR_CONF_BUFFERSIZE: | |
639 | if (!sdi) | |
640 | return SR_ERR_ARG; | |
641 | devc = sdi->priv; | |
642 | *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT64, | |
07ffa5b3 | 643 | devc->profile->buffersizes, NUM_BUFFER_SIZES, sizeof(uint64_t)); |
933defaa BV |
644 | break; |
645 | case SR_CONF_TIMEBASE: | |
646 | g_variant_builder_init(&gvb, G_VARIANT_TYPE_ARRAY); | |
647 | for (i = 0; i < ARRAY_SIZE(timebases); i++) { | |
648 | rational[0] = g_variant_new_uint64(timebases[i][0]); | |
649 | rational[1] = g_variant_new_uint64(timebases[i][1]); | |
650 | tuple = g_variant_new_tuple(rational, 2); | |
651 | g_variant_builder_add_value(&gvb, tuple); | |
652 | } | |
653 | *data = g_variant_builder_end(&gvb); | |
654 | break; | |
655 | case SR_CONF_TRIGGER_SOURCE: | |
656 | *data = g_variant_new_strv(trigger_sources, | |
657 | ARRAY_SIZE(trigger_sources)); | |
658 | break; | |
659 | case SR_CONF_TRIGGER_SLOPE: | |
660 | *data = g_variant_new_strv(trigger_slopes, | |
661 | ARRAY_SIZE(trigger_slopes)); | |
662 | break; | |
663 | default: | |
664 | return SR_ERR_NA; | |
3973ee26 | 665 | } |
933defaa | 666 | } else { |
93b118da | 667 | switch (key) { |
933defaa BV |
668 | case SR_CONF_DEVICE_OPTIONS: |
669 | *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32, | |
670 | devopts_cg, ARRAY_SIZE(devopts_cg), sizeof(uint32_t)); | |
671 | break; | |
672 | case SR_CONF_COUPLING: | |
673 | *data = g_variant_new_strv(coupling, ARRAY_SIZE(coupling)); | |
674 | break; | |
675 | case SR_CONF_VDIV: | |
676 | g_variant_builder_init(&gvb, G_VARIANT_TYPE_ARRAY); | |
677 | for (i = 0; i < ARRAY_SIZE(vdivs); i++) { | |
678 | rational[0] = g_variant_new_uint64(vdivs[i][0]); | |
679 | rational[1] = g_variant_new_uint64(vdivs[i][1]); | |
680 | tuple = g_variant_new_tuple(rational, 2); | |
681 | g_variant_builder_add_value(&gvb, tuple); | |
682 | } | |
683 | *data = g_variant_builder_end(&gvb); | |
684 | break; | |
685 | default: | |
686 | return SR_ERR_NA; | |
3973ee26 | 687 | } |
a1c743fc BV |
688 | } |
689 | ||
690 | return SR_OK; | |
691 | } | |
692 | ||
69e19dd7 | 693 | static void send_chunk(struct sr_dev_inst *sdi, unsigned char *buf, |
e749a8cb | 694 | int num_samples) |
3b533202 BV |
695 | { |
696 | struct sr_datafeed_packet packet; | |
5faebab2 | 697 | struct sr_datafeed_analog_old analog; |
69e19dd7 | 698 | struct dev_context *devc; |
c5841b28 | 699 | float ch1, ch2, range; |
ba7dd8bb | 700 | int num_channels, data_offset, i; |
3b533202 | 701 | |
69e19dd7 | 702 | devc = sdi->priv; |
ba7dd8bb | 703 | num_channels = (devc->ch1_enabled && devc->ch2_enabled) ? 2 : 1; |
5faebab2 | 704 | packet.type = SR_DF_ANALOG_OLD; |
3b533202 | 705 | packet.payload = &analog; |
6e71ef3b | 706 | /* TODO: support for 5xxx series 9-bit samples */ |
ba7dd8bb | 707 | analog.channels = devc->enabled_channels; |
e749a8cb | 708 | analog.num_samples = num_samples; |
9956f285 UH |
709 | analog.mq = SR_MQ_VOLTAGE; |
710 | analog.unit = SR_UNIT_VOLT; | |
cf49d66b | 711 | analog.mqflags = 0; |
886a52b6 | 712 | /* TODO: Check malloc return value. */ |
ba7dd8bb | 713 | analog.data = g_try_malloc(analog.num_samples * sizeof(float) * num_channels); |
6e71ef3b | 714 | data_offset = 0; |
3b533202 | 715 | for (i = 0; i < analog.num_samples; i++) { |
e98b7f1b UH |
716 | /* |
717 | * The device always sends data for both channels. If a channel | |
6e71ef3b | 718 | * is disabled, it contains a copy of the enabled channel's |
e98b7f1b UH |
719 | * data. However, we only send the requested channels to |
720 | * the bus. | |
c5841b28 | 721 | * |
e98b7f1b UH |
722 | * Voltage values are encoded as a value 0-255 (0-512 on the |
723 | * DSO-5200*), where the value is a point in the range | |
724 | * represented by the vdiv setting. There are 8 vertical divs, | |
725 | * so e.g. 500mV/div represents 4V peak-to-peak where 0 = -2V | |
726 | * and 255 = +2V. | |
6e71ef3b | 727 | */ |
e98b7f1b | 728 | /* TODO: Support for DSO-5xxx series 9-bit samples. */ |
269971dd | 729 | if (devc->ch1_enabled) { |
933defaa | 730 | range = ((float)vdivs[devc->voltage[0]][0] / vdivs[devc->voltage[0]][1]) * 8; |
e749a8cb | 731 | ch1 = range / 255 * *(buf + i * 2 + 1); |
c5841b28 BV |
732 | /* Value is centered around 0V. */ |
733 | ch1 -= range / 2; | |
6e71ef3b BV |
734 | analog.data[data_offset++] = ch1; |
735 | } | |
269971dd | 736 | if (devc->ch2_enabled) { |
933defaa | 737 | range = ((float)vdivs[devc->voltage[1]][0] / vdivs[devc->voltage[1]][1]) * 8; |
e749a8cb | 738 | ch2 = range / 255 * *(buf + i * 2); |
c5841b28 | 739 | ch2 -= range / 2; |
6e71ef3b BV |
740 | analog.data[data_offset++] = ch2; |
741 | } | |
3b533202 | 742 | } |
695dc859 | 743 | sr_session_send(sdi, &packet); |
1e6b5b93 | 744 | g_free(analog.data); |
e749a8cb BV |
745 | } |
746 | ||
e98b7f1b UH |
747 | /* |
748 | * Called by libusb (as triggered by handle_event()) when a transfer comes in. | |
e749a8cb | 749 | * Only channel data comes in asynchronously, and all transfers for this are |
e98b7f1b | 750 | * queued up beforehand, so this just needs to chuck the incoming data onto |
e749a8cb BV |
751 | * the libsigrok session bus. |
752 | */ | |
55462b8b | 753 | static void LIBUSB_CALL receive_transfer(struct libusb_transfer *transfer) |
e749a8cb BV |
754 | { |
755 | struct sr_datafeed_packet packet; | |
69e19dd7 | 756 | struct sr_dev_inst *sdi; |
269971dd | 757 | struct dev_context *devc; |
e749a8cb BV |
758 | int num_samples, pre; |
759 | ||
69e19dd7 BV |
760 | sdi = transfer->user_data; |
761 | devc = sdi->priv; | |
eb8e6cd2 UH |
762 | sr_spew("receive_transfer(): status %s received %d bytes.", |
763 | libusb_error_name(transfer->status), transfer->actual_length); | |
e749a8cb BV |
764 | |
765 | if (transfer->actual_length == 0) | |
766 | /* Nothing to send to the bus. */ | |
767 | return; | |
768 | ||
769 | num_samples = transfer->actual_length / 2; | |
770 | ||
d4007311 | 771 | sr_spew("Got %d-%d/%d samples in frame.", devc->samp_received + 1, |
46a743c1 | 772 | devc->samp_received + num_samples, devc->framesize); |
e749a8cb | 773 | |
e98b7f1b UH |
774 | /* |
775 | * The device always sends a full frame, but the beginning of the frame | |
e749a8cb BV |
776 | * doesn't represent the trigger point. The offset at which the trigger |
777 | * happened came in with the capture state, so we need to start sending | |
e98b7f1b UH |
778 | * from there up the session bus. The samples in the frame buffer |
779 | * before that trigger point came after the end of the device's frame | |
780 | * buffer was reached, and it wrapped around to overwrite up until the | |
781 | * trigger point. | |
e749a8cb | 782 | */ |
269971dd | 783 | if (devc->samp_received < devc->trigger_offset) { |
e749a8cb | 784 | /* Trigger point not yet reached. */ |
269971dd | 785 | if (devc->samp_received + num_samples < devc->trigger_offset) { |
e749a8cb | 786 | /* The entire chunk is before the trigger point. */ |
269971dd | 787 | memcpy(devc->framebuf + devc->samp_buffered * 2, |
e749a8cb | 788 | transfer->buffer, num_samples * 2); |
269971dd | 789 | devc->samp_buffered += num_samples; |
e749a8cb | 790 | } else { |
e98b7f1b UH |
791 | /* |
792 | * This chunk hits or overruns the trigger point. | |
e749a8cb | 793 | * Store the part before the trigger fired, and |
e98b7f1b UH |
794 | * send the rest up to the session bus. |
795 | */ | |
269971dd BV |
796 | pre = devc->trigger_offset - devc->samp_received; |
797 | memcpy(devc->framebuf + devc->samp_buffered * 2, | |
e749a8cb | 798 | transfer->buffer, pre * 2); |
269971dd | 799 | devc->samp_buffered += pre; |
e749a8cb BV |
800 | |
801 | /* The rest of this chunk starts with the trigger point. */ | |
e98b7f1b | 802 | sr_dbg("Reached trigger point, %d samples buffered.", |
46a743c1 | 803 | devc->samp_buffered); |
e749a8cb BV |
804 | |
805 | /* Avoid the corner case where the chunk ended at | |
806 | * exactly the trigger point. */ | |
807 | if (num_samples > pre) | |
69e19dd7 | 808 | send_chunk(sdi, transfer->buffer + pre * 2, |
e749a8cb BV |
809 | num_samples - pre); |
810 | } | |
811 | } else { | |
812 | /* Already past the trigger point, just send it all out. */ | |
a95f142e | 813 | send_chunk(sdi, transfer->buffer, num_samples); |
e749a8cb BV |
814 | } |
815 | ||
269971dd | 816 | devc->samp_received += num_samples; |
e749a8cb BV |
817 | |
818 | /* Everything in this transfer was either copied to the buffer or | |
819 | * sent to the session bus. */ | |
3b533202 BV |
820 | g_free(transfer->buffer); |
821 | libusb_free_transfer(transfer); | |
3b533202 | 822 | |
269971dd | 823 | if (devc->samp_received >= devc->framesize) { |
e749a8cb BV |
824 | /* That was the last chunk in this frame. Send the buffered |
825 | * pre-trigger samples out now, in one big chunk. */ | |
e98b7f1b | 826 | sr_dbg("End of frame, sending %d pre-trigger buffered samples.", |
46a743c1 | 827 | devc->samp_buffered); |
69e19dd7 | 828 | send_chunk(sdi, devc->framebuf, devc->samp_buffered); |
e749a8cb BV |
829 | |
830 | /* Mark the end of this frame. */ | |
ae88b97b | 831 | packet.type = SR_DF_FRAME_END; |
695dc859 | 832 | sr_session_send(sdi, &packet); |
ae88b97b | 833 | |
269971dd | 834 | if (devc->limit_frames && ++devc->num_frames == devc->limit_frames) { |
ae88b97b | 835 | /* Terminate session */ |
a3508e33 | 836 | devc->dev_state = STOPPING; |
ae88b97b | 837 | } else { |
269971dd | 838 | devc->dev_state = NEW_CAPTURE; |
ae88b97b BV |
839 | } |
840 | } | |
3b533202 BV |
841 | } |
842 | ||
843 | static int handle_event(int fd, int revents, void *cb_data) | |
844 | { | |
a3508e33 | 845 | const struct sr_dev_inst *sdi; |
ae88b97b | 846 | struct sr_datafeed_packet packet; |
3b533202 | 847 | struct timeval tv; |
4f840ce9 | 848 | struct sr_dev_driver *di; |
269971dd | 849 | struct dev_context *devc; |
4f840ce9 | 850 | struct drv_context *drvc; |
ba7dd8bb | 851 | int num_channels; |
6e6eeff4 BV |
852 | uint32_t trigger_offset; |
853 | uint8_t capturestate; | |
3b533202 | 854 | |
3b533202 BV |
855 | (void)fd; |
856 | (void)revents; | |
857 | ||
269971dd | 858 | sdi = cb_data; |
4f840ce9 | 859 | di = sdi->driver; |
41812aca | 860 | drvc = di->context; |
269971dd | 861 | devc = sdi->priv; |
a3508e33 BV |
862 | if (devc->dev_state == STOPPING) { |
863 | /* We've been told to wind up the acquisition. */ | |
e98b7f1b UH |
864 | sr_dbg("Stopping acquisition."); |
865 | /* | |
866 | * TODO: Doesn't really cancel pending transfers so they might | |
867 | * come in after SR_DF_END is sent. | |
868 | */ | |
102f1239 | 869 | usb_source_remove(sdi->session, drvc->sr_ctx); |
a3508e33 | 870 | |
3be42bc2 | 871 | std_session_send_df_end(sdi, LOG_PREFIX); |
a3508e33 BV |
872 | |
873 | devc->dev_state = IDLE; | |
874 | ||
875 | return TRUE; | |
876 | } | |
877 | ||
3b533202 BV |
878 | /* Always handle pending libusb events. */ |
879 | tv.tv_sec = tv.tv_usec = 0; | |
d4abb463 | 880 | libusb_handle_events_timeout(drvc->sr_ctx->libusb_ctx, &tv); |
3b533202 | 881 | |
3b533202 | 882 | /* TODO: ugh */ |
269971dd | 883 | if (devc->dev_state == NEW_CAPTURE) { |
c118080b | 884 | if (dso_capture_start(sdi) != SR_OK) |
3b533202 | 885 | return TRUE; |
c118080b | 886 | if (dso_enable_trigger(sdi) != SR_OK) |
3b533202 | 887 | return TRUE; |
c118080b | 888 | // if (dso_force_trigger(sdi) != SR_OK) |
a370ef19 | 889 | // return TRUE; |
e98b7f1b | 890 | sr_dbg("Successfully requested next chunk."); |
269971dd | 891 | devc->dev_state = CAPTURE; |
3b533202 BV |
892 | return TRUE; |
893 | } | |
269971dd | 894 | if (devc->dev_state != CAPTURE) |
3b533202 BV |
895 | return TRUE; |
896 | ||
c118080b | 897 | if ((dso_get_capturestate(sdi, &capturestate, &trigger_offset)) != SR_OK) |
3b533202 | 898 | return TRUE; |
3b533202 | 899 | |
e98b7f1b UH |
900 | sr_dbg("Capturestate %d.", capturestate); |
901 | sr_dbg("Trigger offset 0x%.6x.", trigger_offset); | |
3b533202 BV |
902 | switch (capturestate) { |
903 | case CAPTURE_EMPTY: | |
269971dd BV |
904 | if (++devc->capture_empty_count >= MAX_CAPTURE_EMPTY) { |
905 | devc->capture_empty_count = 0; | |
c118080b | 906 | if (dso_capture_start(sdi) != SR_OK) |
3b533202 | 907 | break; |
c118080b | 908 | if (dso_enable_trigger(sdi) != SR_OK) |
3b533202 | 909 | break; |
c118080b | 910 | // if (dso_force_trigger(sdi) != SR_OK) |
a370ef19 | 911 | // break; |
e98b7f1b | 912 | sr_dbg("Successfully requested next chunk."); |
3b533202 BV |
913 | } |
914 | break; | |
915 | case CAPTURE_FILLING: | |
e98b7f1b | 916 | /* No data yet. */ |
3b533202 BV |
917 | break; |
918 | case CAPTURE_READY_8BIT: | |
e749a8cb | 919 | /* Remember where in the captured frame the trigger is. */ |
269971dd | 920 | devc->trigger_offset = trigger_offset; |
e749a8cb | 921 | |
ba7dd8bb | 922 | num_channels = (devc->ch1_enabled && devc->ch2_enabled) ? 2 : 1; |
a95f142e | 923 | devc->framebuf = g_malloc(devc->framesize * num_channels * 2); |
269971dd | 924 | devc->samp_buffered = devc->samp_received = 0; |
e749a8cb | 925 | |
3b533202 | 926 | /* Tell the scope to send us the first frame. */ |
69e19dd7 | 927 | if (dso_get_channeldata(sdi, receive_transfer) != SR_OK) |
3b533202 | 928 | break; |
ae88b97b | 929 | |
e98b7f1b UH |
930 | /* |
931 | * Don't hit the state machine again until we're done fetching | |
ae88b97b BV |
932 | * the data we just told the scope to send. |
933 | */ | |
269971dd | 934 | devc->dev_state = FETCH_DATA; |
ae88b97b BV |
935 | |
936 | /* Tell the frontend a new frame is on the way. */ | |
937 | packet.type = SR_DF_FRAME_BEGIN; | |
269971dd | 938 | sr_session_send(sdi, &packet); |
3b533202 BV |
939 | break; |
940 | case CAPTURE_READY_9BIT: | |
941 | /* TODO */ | |
e98b7f1b | 942 | sr_err("Not yet supported."); |
3b533202 BV |
943 | break; |
944 | case CAPTURE_TIMEOUT: | |
945 | /* Doesn't matter, we'll try again next time. */ | |
946 | break; | |
947 | default: | |
e98b7f1b UH |
948 | sr_dbg("Unknown capture state: %d.", capturestate); |
949 | break; | |
3b533202 BV |
950 | } |
951 | ||
952 | return TRUE; | |
953 | } | |
954 | ||
695dc859 | 955 | static int dev_acquisition_start(const struct sr_dev_inst *sdi) |
3b533202 | 956 | { |
269971dd | 957 | struct dev_context *devc; |
4f840ce9 | 958 | struct sr_dev_driver *di = sdi->driver; |
41812aca | 959 | struct drv_context *drvc = di->context; |
3b533202 | 960 | |
3b533202 | 961 | if (sdi->status != SR_ST_ACTIVE) |
e73ffd42 | 962 | return SR_ERR_DEV_CLOSED; |
3b533202 | 963 | |
269971dd | 964 | devc = sdi->priv; |
3b533202 | 965 | |
ba7dd8bb UH |
966 | if (configure_channels(sdi) != SR_OK) { |
967 | sr_err("Failed to configure channels."); | |
014359e3 BV |
968 | return SR_ERR; |
969 | } | |
970 | ||
c118080b | 971 | if (dso_init(sdi) != SR_OK) |
3b533202 BV |
972 | return SR_ERR; |
973 | ||
c118080b | 974 | if (dso_capture_start(sdi) != SR_OK) |
3b533202 BV |
975 | return SR_ERR; |
976 | ||
269971dd | 977 | devc->dev_state = CAPTURE; |
102f1239 | 978 | usb_source_add(sdi->session, drvc->sr_ctx, TICK, handle_event, (void *)sdi); |
3b533202 | 979 | |
695dc859 | 980 | std_session_send_df_header(sdi, LOG_PREFIX); |
3b533202 | 981 | |
3b533202 BV |
982 | return SR_OK; |
983 | } | |
984 | ||
695dc859 | 985 | static int dev_acquisition_stop(struct sr_dev_inst *sdi) |
3b533202 | 986 | { |
269971dd BV |
987 | struct dev_context *devc; |
988 | ||
3b533202 BV |
989 | if (sdi->status != SR_ST_ACTIVE) |
990 | return SR_ERR; | |
991 | ||
a3508e33 BV |
992 | devc = sdi->priv; |
993 | devc->dev_state = STOPPING; | |
3b533202 BV |
994 | |
995 | return SR_OK; | |
996 | } | |
997 | ||
62bb8840 | 998 | SR_PRIV struct sr_dev_driver hantek_dso_driver_info = { |
3b533202 BV |
999 | .name = "hantek-dso", |
1000 | .longname = "Hantek DSO", | |
1001 | .api_version = 1, | |
c2fdcc25 | 1002 | .init = std_init, |
700d6b64 | 1003 | .cleanup = std_cleanup, |
6078d2c9 | 1004 | .scan = scan, |
c01bf34c | 1005 | .dev_list = std_dev_list, |
3b412e3a | 1006 | .dev_clear = dev_clear, |
79917848 | 1007 | .config_get = config_get, |
035a1078 | 1008 | .config_set = config_set, |
a1c743fc | 1009 | .config_list = config_list, |
6078d2c9 UH |
1010 | .dev_open = dev_open, |
1011 | .dev_close = dev_close, | |
1012 | .dev_acquisition_start = dev_acquisition_start, | |
1013 | .dev_acquisition_stop = dev_acquisition_stop, | |
41812aca | 1014 | .context = NULL, |
3b533202 | 1015 | }; |