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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 int init(struct sr_dev_driver *di, struct sr_context *sr_ctx) |
61136ea6 | 258 | { |
f6beaac5 | 259 | return std_init(sr_ctx, di, LOG_PREFIX); |
61136ea6 BV |
260 | } |
261 | ||
4f840ce9 | 262 | static GSList *scan(struct sr_dev_driver *di, GSList *options) |
3b533202 | 263 | { |
269971dd BV |
264 | struct drv_context *drvc; |
265 | struct dev_context *devc; | |
294dbac7 | 266 | struct sr_dev_inst *sdi; |
46a743c1 BV |
267 | struct sr_usb_dev_inst *usb; |
268 | struct sr_config *src; | |
294dbac7 BV |
269 | const struct dso_profile *prof; |
270 | GSList *l, *devices, *conn_devices; | |
39cfdd75 | 271 | struct libusb_device_descriptor des; |
3b533202 | 272 | libusb_device **devlist; |
2a8f2d41 | 273 | int i, j; |
46a743c1 | 274 | const char *conn; |
395206f4 | 275 | char connection_id[64]; |
e98b7f1b | 276 | |
41812aca | 277 | drvc = di->context; |
39cfdd75 | 278 | |
4b97c74e UH |
279 | devices = 0; |
280 | ||
294dbac7 BV |
281 | conn = NULL; |
282 | for (l = options; l; l = l->next) { | |
283 | src = l->data; | |
284 | if (src->key == SR_CONF_CONN) { | |
285 | conn = g_variant_get_string(src->data, NULL); | |
286 | break; | |
287 | } | |
288 | } | |
289 | if (conn) | |
290 | conn_devices = sr_usb_find(drvc->sr_ctx->libusb_ctx, conn); | |
291 | else | |
292 | conn_devices = NULL; | |
293 | ||
39cfdd75 | 294 | /* Find all Hantek DSO devices and upload firmware to all of them. */ |
d4abb463 | 295 | libusb_get_device_list(drvc->sr_ctx->libusb_ctx, &devlist); |
3b533202 | 296 | for (i = 0; devlist[i]; i++) { |
46a743c1 | 297 | if (conn) { |
294dbac7 BV |
298 | usb = NULL; |
299 | for (l = conn_devices; l; l = l->next) { | |
300 | usb = l->data; | |
301 | if (usb->bus == libusb_get_bus_number(devlist[i]) | |
302 | && usb->address == libusb_get_device_address(devlist[i])) | |
303 | break; | |
304 | } | |
305 | if (!l) | |
306 | /* This device matched none of the ones that | |
307 | * matched the conn specification. */ | |
308 | continue; | |
46a743c1 | 309 | } |
294dbac7 | 310 | |
2a8f2d41 | 311 | libusb_get_device_descriptor(devlist[i], &des); |
3b533202 | 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; |
8e2d6c9d DE |
326 | if (ezusb_upload_firmware(drvc->sr_ctx, devlist[i], |
327 | USB_CONFIGURATION, prof->firmware) == SR_OK) | |
3b533202 | 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); |
d0eec1ee | 345 | sdi->inst_type = SR_INST_USB; |
c118080b | 346 | sdi->conn = sr_usb_dev_inst_new( |
3b533202 BV |
347 | libusb_get_bus_number(devlist[i]), |
348 | libusb_get_device_address(devlist[i]), NULL); | |
3b533202 BV |
349 | break; |
350 | } | |
351 | } | |
352 | if (!prof) | |
353 | /* not a supported VID/PID */ | |
354 | continue; | |
355 | } | |
356 | libusb_free_device_list(devlist, 1); | |
357 | ||
39cfdd75 | 358 | return devices; |
3b533202 BV |
359 | } |
360 | ||
6078d2c9 | 361 | static int dev_open(struct sr_dev_inst *sdi) |
3b533202 | 362 | { |
269971dd | 363 | struct dev_context *devc; |
c118080b | 364 | struct sr_usb_dev_inst *usb; |
fc8fe3e3 BV |
365 | int64_t timediff_us, timediff_ms; |
366 | int err; | |
3b533202 | 367 | |
269971dd | 368 | devc = sdi->priv; |
c118080b | 369 | usb = sdi->conn; |
3b533202 BV |
370 | |
371 | /* | |
e98b7f1b UH |
372 | * If the firmware was recently uploaded, wait up to MAX_RENUM_DELAY_MS |
373 | * for the FX2 to renumerate. | |
3b533202 | 374 | */ |
fc8fe3e3 | 375 | err = SR_ERR; |
269971dd | 376 | if (devc->fw_updated > 0) { |
e98b7f1b UH |
377 | sr_info("Waiting for device to reset."); |
378 | /* Takes >= 300ms for the FX2 to be gone from the USB bus. */ | |
3b533202 | 379 | g_usleep(300 * 1000); |
fc8fe3e3 BV |
380 | timediff_ms = 0; |
381 | while (timediff_ms < MAX_RENUM_DELAY_MS) { | |
25a0f108 | 382 | if ((err = dso_open(sdi)) == SR_OK) |
3b533202 BV |
383 | break; |
384 | g_usleep(100 * 1000); | |
269971dd | 385 | timediff_us = g_get_monotonic_time() - devc->fw_updated; |
fc8fe3e3 | 386 | timediff_ms = timediff_us / 1000; |
e98b7f1b | 387 | sr_spew("Waited %" PRIi64 " ms.", timediff_ms); |
3b533202 | 388 | } |
6433156c | 389 | sr_info("Device came back after %" PRIi64 " ms.", timediff_ms); |
3b533202 | 390 | } else { |
25a0f108 | 391 | err = dso_open(sdi); |
3b533202 BV |
392 | } |
393 | ||
394 | if (err != SR_OK) { | |
e98b7f1b | 395 | sr_err("Unable to open device."); |
3b533202 BV |
396 | return SR_ERR; |
397 | } | |
398 | ||
c118080b | 399 | err = libusb_claim_interface(usb->devhdl, USB_INTERFACE); |
3b533202 | 400 | if (err != 0) { |
d4928d71 | 401 | sr_err("Unable to claim interface: %s.", |
46a743c1 | 402 | libusb_error_name(err)); |
3b533202 BV |
403 | return SR_ERR; |
404 | } | |
405 | ||
406 | return SR_OK; | |
407 | } | |
408 | ||
6078d2c9 | 409 | static int dev_close(struct sr_dev_inst *sdi) |
3b533202 | 410 | { |
3b533202 BV |
411 | dso_close(sdi); |
412 | ||
413 | return SR_OK; | |
414 | } | |
415 | ||
584560f1 | 416 | static int config_get(uint32_t key, GVariant **data, const struct sr_dev_inst *sdi, |
53b4680f | 417 | const struct sr_channel_group *cg) |
79917848 | 418 | { |
933defaa | 419 | struct dev_context *devc; |
624f5b4c | 420 | struct sr_usb_dev_inst *usb; |
2c240774 UH |
421 | char str[128]; |
422 | const char *s; | |
933defaa BV |
423 | const uint64_t *vdiv; |
424 | int ch_idx; | |
79917848 | 425 | |
584560f1 | 426 | switch (key) { |
bf622e6d | 427 | case SR_CONF_NUM_HDIV: |
79917848 BV |
428 | *data = g_variant_new_int32(NUM_TIMEBASE); |
429 | break; | |
430 | case SR_CONF_NUM_VDIV: | |
431 | *data = g_variant_new_int32(NUM_VDIV); | |
432 | break; | |
933defaa BV |
433 | } |
434 | ||
435 | if (!sdi) | |
436 | return SR_ERR_ARG; | |
437 | ||
438 | devc = sdi->priv; | |
439 | if (!cg) { | |
440 | switch (key) { | |
441 | case SR_CONF_CONN: | |
442 | if (!sdi->conn) | |
443 | return SR_ERR_ARG; | |
444 | usb = sdi->conn; | |
445 | if (usb->address == 255) | |
446 | /* Device still needs to re-enumerate after firmware | |
447 | * upload, so we don't know its (future) address. */ | |
448 | return SR_ERR; | |
449 | snprintf(str, 128, "%d.%d", usb->bus, usb->address); | |
450 | *data = g_variant_new_string(str); | |
451 | break; | |
452 | case SR_CONF_TIMEBASE: | |
453 | *data = g_variant_new("(tt)", timebases[devc->timebase][0], | |
454 | timebases[devc->timebase][1]); | |
455 | break; | |
456 | case SR_CONF_BUFFERSIZE: | |
457 | *data = g_variant_new_uint64(devc->framesize); | |
458 | break; | |
459 | case SR_CONF_TRIGGER_SOURCE: | |
460 | *data = g_variant_new_string(devc->triggersource); | |
461 | break; | |
462 | case SR_CONF_TRIGGER_SLOPE: | |
c442ffda | 463 | s = (devc->triggerslope == SLOPE_POSITIVE) ? "r" : "f"; |
933defaa BV |
464 | *data = g_variant_new_string(s); |
465 | break; | |
466 | case SR_CONF_HORIZ_TRIGGERPOS: | |
467 | *data = g_variant_new_double(devc->triggerposition); | |
468 | break; | |
469 | default: | |
470 | return SR_ERR_NA; | |
471 | } | |
472 | } else { | |
473 | if (sdi->channel_groups->data == cg) | |
474 | ch_idx = 0; | |
475 | else if (sdi->channel_groups->next->data == cg) | |
476 | ch_idx = 1; | |
477 | else | |
478 | return SR_ERR_ARG; | |
0c5f2abc | 479 | switch (key) { |
933defaa BV |
480 | case SR_CONF_FILTER: |
481 | *data = g_variant_new_boolean(devc->filter[ch_idx]); | |
482 | break; | |
483 | case SR_CONF_VDIV: | |
484 | vdiv = vdivs[devc->voltage[ch_idx]]; | |
485 | *data = g_variant_new("(tt)", vdiv[0], vdiv[1]); | |
486 | break; | |
487 | case SR_CONF_COUPLING: | |
488 | *data = g_variant_new_string(coupling[devc->coupling[ch_idx]]); | |
489 | break; | |
490 | } | |
79917848 BV |
491 | } |
492 | ||
493 | return SR_OK; | |
494 | } | |
495 | ||
584560f1 | 496 | static int config_set(uint32_t key, GVariant *data, const struct sr_dev_inst *sdi, |
53b4680f | 497 | const struct sr_channel_group *cg) |
3b533202 | 498 | { |
269971dd | 499 | struct dev_context *devc; |
f627afd6 | 500 | double tmp_double; |
86bb3f4a | 501 | uint64_t tmp_u64, p, q; |
933defaa | 502 | int tmp_int, ch_idx, ret; |
f627afd6 BV |
503 | unsigned int i; |
504 | const char *tmp_str; | |
8f996b89 | 505 | |
3b533202 | 506 | if (sdi->status != SR_ST_ACTIVE) |
e73ffd42 | 507 | return SR_ERR_DEV_CLOSED; |
3b533202 | 508 | |
a370ef19 | 509 | ret = SR_OK; |
269971dd | 510 | devc = sdi->priv; |
933defaa BV |
511 | if (!cg) { |
512 | switch (key) { | |
513 | case SR_CONF_LIMIT_FRAMES: | |
514 | devc->limit_frames = g_variant_get_uint64(data); | |
515 | break; | |
516 | case SR_CONF_TRIGGER_SLOPE: | |
517 | tmp_str = g_variant_get_string(data, NULL); | |
518 | if (!tmp_str || !(tmp_str[0] == 'f' || tmp_str[0] == 'r')) | |
519 | return SR_ERR_ARG; | |
520 | devc->triggerslope = (tmp_str[0] == 'r') | |
521 | ? SLOPE_POSITIVE : SLOPE_NEGATIVE; | |
522 | break; | |
523 | case SR_CONF_HORIZ_TRIGGERPOS: | |
524 | tmp_double = g_variant_get_double(data); | |
525 | if (tmp_double < 0.0 || tmp_double > 1.0) { | |
526 | sr_err("Trigger position should be between 0.0 and 1.0."); | |
527 | ret = SR_ERR_ARG; | |
528 | } else | |
529 | devc->triggerposition = tmp_double; | |
530 | break; | |
531 | case SR_CONF_BUFFERSIZE: | |
532 | tmp_u64 = g_variant_get_uint64(data); | |
07ffa5b3 | 533 | for (i = 0; i < NUM_BUFFER_SIZES; i++) { |
933defaa BV |
534 | if (devc->profile->buffersizes[i] == tmp_u64) { |
535 | devc->framesize = tmp_u64; | |
536 | break; | |
537 | } | |
a370ef19 | 538 | } |
07ffa5b3 | 539 | if (i == NUM_BUFFER_SIZES) |
933defaa BV |
540 | ret = SR_ERR_ARG; |
541 | break; | |
542 | case SR_CONF_TIMEBASE: | |
543 | g_variant_get(data, "(tt)", &p, &q); | |
544 | tmp_int = -1; | |
545 | for (i = 0; i < ARRAY_SIZE(timebases); i++) { | |
546 | if (timebases[i][0] == p && timebases[i][1] == q) { | |
547 | tmp_int = i; | |
548 | break; | |
549 | } | |
a370ef19 | 550 | } |
933defaa BV |
551 | if (tmp_int >= 0) |
552 | devc->timebase = tmp_int; | |
553 | else | |
ebb781a6 | 554 | ret = SR_ERR_ARG; |
933defaa BV |
555 | break; |
556 | case SR_CONF_TRIGGER_SOURCE: | |
557 | tmp_str = g_variant_get_string(data, NULL); | |
558 | for (i = 0; trigger_sources[i]; i++) { | |
559 | if (!strcmp(tmp_str, trigger_sources[i])) { | |
560 | devc->triggersource = g_strdup(tmp_str); | |
561 | break; | |
562 | } | |
ebb781a6 | 563 | } |
933defaa BV |
564 | if (trigger_sources[i] == 0) |
565 | ret = SR_ERR_ARG; | |
566 | break; | |
567 | default: | |
568 | ret = SR_ERR_NA; | |
569 | break; | |
ebb781a6 | 570 | } |
933defaa BV |
571 | } else { |
572 | if (sdi->channel_groups->data == cg) | |
573 | ch_idx = 0; | |
574 | else if (sdi->channel_groups->next->data == cg) | |
575 | ch_idx = 1; | |
576 | else | |
577 | return SR_ERR_ARG; | |
578 | switch (key) { | |
579 | case SR_CONF_FILTER: | |
580 | devc->filter[ch_idx] = g_variant_get_boolean(data); | |
581 | break; | |
582 | case SR_CONF_VDIV: | |
583 | g_variant_get(data, "(tt)", &p, &q); | |
584 | tmp_int = -1; | |
585 | for (i = 0; i < ARRAY_SIZE(vdivs); i++) { | |
586 | if (vdivs[i][0] == p && vdivs[i][1] == q) { | |
587 | tmp_int = i; | |
588 | break; | |
589 | } | |
313deed2 | 590 | } |
933defaa BV |
591 | if (tmp_int >= 0) { |
592 | devc->voltage[ch_idx] = tmp_int; | |
593 | } else | |
594 | ret = SR_ERR_ARG; | |
595 | break; | |
596 | case SR_CONF_COUPLING: | |
597 | tmp_str = g_variant_get_string(data, NULL); | |
598 | for (i = 0; coupling[i]; i++) { | |
599 | if (!strcmp(tmp_str, coupling[i])) { | |
600 | devc->coupling[ch_idx] = i; | |
601 | break; | |
602 | } | |
b58fbd99 | 603 | } |
933defaa BV |
604 | if (coupling[i] == 0) |
605 | ret = SR_ERR_ARG; | |
606 | break; | |
607 | default: | |
608 | ret = SR_ERR_NA; | |
609 | break; | |
b58fbd99 | 610 | } |
3b533202 BV |
611 | } |
612 | ||
613 | return ret; | |
614 | } | |
615 | ||
584560f1 | 616 | static int config_list(uint32_t key, GVariant **data, const struct sr_dev_inst *sdi, |
53b4680f | 617 | const struct sr_channel_group *cg) |
a1c743fc | 618 | { |
034accb5 | 619 | struct dev_context *devc; |
3973ee26 BV |
620 | GVariant *tuple, *rational[2]; |
621 | GVariantBuilder gvb; | |
622 | unsigned int i; | |
a1c743fc | 623 | |
933defaa | 624 | if (key == SR_CONF_SCAN_OPTIONS) { |
584560f1 BV |
625 | *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32, |
626 | scanopts, ARRAY_SIZE(scanopts), sizeof(uint32_t)); | |
933defaa BV |
627 | return SR_OK; |
628 | } else if (key == SR_CONF_DEVICE_OPTIONS && !sdi) { | |
584560f1 | 629 | *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32, |
5ecd9049 | 630 | drvopts, ARRAY_SIZE(drvopts), sizeof(uint32_t)); |
933defaa BV |
631 | return SR_OK; |
632 | } | |
633 | ||
634 | if (!sdi) | |
635 | return SR_ERR_ARG; | |
636 | ||
637 | if (!cg) { | |
93b118da | 638 | switch (key) { |
933defaa BV |
639 | case SR_CONF_DEVICE_OPTIONS: |
640 | *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32, | |
5ecd9049 | 641 | devopts, ARRAY_SIZE(devopts), sizeof(uint32_t)); |
933defaa BV |
642 | break; |
643 | case SR_CONF_BUFFERSIZE: | |
644 | if (!sdi) | |
645 | return SR_ERR_ARG; | |
646 | devc = sdi->priv; | |
647 | *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT64, | |
07ffa5b3 | 648 | devc->profile->buffersizes, NUM_BUFFER_SIZES, sizeof(uint64_t)); |
933defaa BV |
649 | break; |
650 | case SR_CONF_TIMEBASE: | |
651 | g_variant_builder_init(&gvb, G_VARIANT_TYPE_ARRAY); | |
652 | for (i = 0; i < ARRAY_SIZE(timebases); i++) { | |
653 | rational[0] = g_variant_new_uint64(timebases[i][0]); | |
654 | rational[1] = g_variant_new_uint64(timebases[i][1]); | |
655 | tuple = g_variant_new_tuple(rational, 2); | |
656 | g_variant_builder_add_value(&gvb, tuple); | |
657 | } | |
658 | *data = g_variant_builder_end(&gvb); | |
659 | break; | |
660 | case SR_CONF_TRIGGER_SOURCE: | |
661 | *data = g_variant_new_strv(trigger_sources, | |
662 | ARRAY_SIZE(trigger_sources)); | |
663 | break; | |
664 | case SR_CONF_TRIGGER_SLOPE: | |
665 | *data = g_variant_new_strv(trigger_slopes, | |
666 | ARRAY_SIZE(trigger_slopes)); | |
667 | break; | |
668 | default: | |
669 | return SR_ERR_NA; | |
3973ee26 | 670 | } |
933defaa | 671 | } else { |
93b118da | 672 | switch (key) { |
933defaa BV |
673 | case SR_CONF_DEVICE_OPTIONS: |
674 | *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32, | |
675 | devopts_cg, ARRAY_SIZE(devopts_cg), sizeof(uint32_t)); | |
676 | break; | |
677 | case SR_CONF_COUPLING: | |
678 | *data = g_variant_new_strv(coupling, ARRAY_SIZE(coupling)); | |
679 | break; | |
680 | case SR_CONF_VDIV: | |
681 | g_variant_builder_init(&gvb, G_VARIANT_TYPE_ARRAY); | |
682 | for (i = 0; i < ARRAY_SIZE(vdivs); i++) { | |
683 | rational[0] = g_variant_new_uint64(vdivs[i][0]); | |
684 | rational[1] = g_variant_new_uint64(vdivs[i][1]); | |
685 | tuple = g_variant_new_tuple(rational, 2); | |
686 | g_variant_builder_add_value(&gvb, tuple); | |
687 | } | |
688 | *data = g_variant_builder_end(&gvb); | |
689 | break; | |
690 | default: | |
691 | return SR_ERR_NA; | |
3973ee26 | 692 | } |
a1c743fc BV |
693 | } |
694 | ||
695 | return SR_OK; | |
696 | } | |
697 | ||
69e19dd7 | 698 | static void send_chunk(struct sr_dev_inst *sdi, unsigned char *buf, |
e749a8cb | 699 | int num_samples) |
3b533202 BV |
700 | { |
701 | struct sr_datafeed_packet packet; | |
5faebab2 | 702 | struct sr_datafeed_analog_old analog; |
69e19dd7 | 703 | struct dev_context *devc; |
c5841b28 | 704 | float ch1, ch2, range; |
ba7dd8bb | 705 | int num_channels, data_offset, i; |
3b533202 | 706 | |
69e19dd7 | 707 | devc = sdi->priv; |
ba7dd8bb | 708 | num_channels = (devc->ch1_enabled && devc->ch2_enabled) ? 2 : 1; |
5faebab2 | 709 | packet.type = SR_DF_ANALOG_OLD; |
3b533202 | 710 | packet.payload = &analog; |
6e71ef3b | 711 | /* TODO: support for 5xxx series 9-bit samples */ |
ba7dd8bb | 712 | analog.channels = devc->enabled_channels; |
e749a8cb | 713 | analog.num_samples = num_samples; |
9956f285 UH |
714 | analog.mq = SR_MQ_VOLTAGE; |
715 | analog.unit = SR_UNIT_VOLT; | |
cf49d66b | 716 | analog.mqflags = 0; |
886a52b6 | 717 | /* TODO: Check malloc return value. */ |
ba7dd8bb | 718 | analog.data = g_try_malloc(analog.num_samples * sizeof(float) * num_channels); |
6e71ef3b | 719 | data_offset = 0; |
3b533202 | 720 | for (i = 0; i < analog.num_samples; i++) { |
e98b7f1b UH |
721 | /* |
722 | * The device always sends data for both channels. If a channel | |
6e71ef3b | 723 | * is disabled, it contains a copy of the enabled channel's |
e98b7f1b UH |
724 | * data. However, we only send the requested channels to |
725 | * the bus. | |
c5841b28 | 726 | * |
e98b7f1b UH |
727 | * Voltage values are encoded as a value 0-255 (0-512 on the |
728 | * DSO-5200*), where the value is a point in the range | |
729 | * represented by the vdiv setting. There are 8 vertical divs, | |
730 | * so e.g. 500mV/div represents 4V peak-to-peak where 0 = -2V | |
731 | * and 255 = +2V. | |
6e71ef3b | 732 | */ |
e98b7f1b | 733 | /* TODO: Support for DSO-5xxx series 9-bit samples. */ |
269971dd | 734 | if (devc->ch1_enabled) { |
933defaa | 735 | range = ((float)vdivs[devc->voltage[0]][0] / vdivs[devc->voltage[0]][1]) * 8; |
e749a8cb | 736 | ch1 = range / 255 * *(buf + i * 2 + 1); |
c5841b28 BV |
737 | /* Value is centered around 0V. */ |
738 | ch1 -= range / 2; | |
6e71ef3b BV |
739 | analog.data[data_offset++] = ch1; |
740 | } | |
269971dd | 741 | if (devc->ch2_enabled) { |
933defaa | 742 | range = ((float)vdivs[devc->voltage[1]][0] / vdivs[devc->voltage[1]][1]) * 8; |
e749a8cb | 743 | ch2 = range / 255 * *(buf + i * 2); |
c5841b28 | 744 | ch2 -= range / 2; |
6e71ef3b BV |
745 | analog.data[data_offset++] = ch2; |
746 | } | |
3b533202 | 747 | } |
695dc859 | 748 | sr_session_send(sdi, &packet); |
1e6b5b93 | 749 | g_free(analog.data); |
e749a8cb BV |
750 | } |
751 | ||
e98b7f1b UH |
752 | /* |
753 | * Called by libusb (as triggered by handle_event()) when a transfer comes in. | |
e749a8cb | 754 | * Only channel data comes in asynchronously, and all transfers for this are |
e98b7f1b | 755 | * queued up beforehand, so this just needs to chuck the incoming data onto |
e749a8cb BV |
756 | * the libsigrok session bus. |
757 | */ | |
55462b8b | 758 | static void LIBUSB_CALL receive_transfer(struct libusb_transfer *transfer) |
e749a8cb BV |
759 | { |
760 | struct sr_datafeed_packet packet; | |
69e19dd7 | 761 | struct sr_dev_inst *sdi; |
269971dd | 762 | struct dev_context *devc; |
e749a8cb BV |
763 | int num_samples, pre; |
764 | ||
69e19dd7 BV |
765 | sdi = transfer->user_data; |
766 | devc = sdi->priv; | |
eb8e6cd2 UH |
767 | sr_spew("receive_transfer(): status %s received %d bytes.", |
768 | libusb_error_name(transfer->status), transfer->actual_length); | |
e749a8cb BV |
769 | |
770 | if (transfer->actual_length == 0) | |
771 | /* Nothing to send to the bus. */ | |
772 | return; | |
773 | ||
774 | num_samples = transfer->actual_length / 2; | |
775 | ||
d4007311 | 776 | sr_spew("Got %d-%d/%d samples in frame.", devc->samp_received + 1, |
46a743c1 | 777 | devc->samp_received + num_samples, devc->framesize); |
e749a8cb | 778 | |
e98b7f1b UH |
779 | /* |
780 | * The device always sends a full frame, but the beginning of the frame | |
e749a8cb BV |
781 | * doesn't represent the trigger point. The offset at which the trigger |
782 | * happened came in with the capture state, so we need to start sending | |
e98b7f1b UH |
783 | * from there up the session bus. The samples in the frame buffer |
784 | * before that trigger point came after the end of the device's frame | |
785 | * buffer was reached, and it wrapped around to overwrite up until the | |
786 | * trigger point. | |
e749a8cb | 787 | */ |
269971dd | 788 | if (devc->samp_received < devc->trigger_offset) { |
e749a8cb | 789 | /* Trigger point not yet reached. */ |
269971dd | 790 | if (devc->samp_received + num_samples < devc->trigger_offset) { |
e749a8cb | 791 | /* The entire chunk is before the trigger point. */ |
269971dd | 792 | memcpy(devc->framebuf + devc->samp_buffered * 2, |
e749a8cb | 793 | transfer->buffer, num_samples * 2); |
269971dd | 794 | devc->samp_buffered += num_samples; |
e749a8cb | 795 | } else { |
e98b7f1b UH |
796 | /* |
797 | * This chunk hits or overruns the trigger point. | |
e749a8cb | 798 | * Store the part before the trigger fired, and |
e98b7f1b UH |
799 | * send the rest up to the session bus. |
800 | */ | |
269971dd BV |
801 | pre = devc->trigger_offset - devc->samp_received; |
802 | memcpy(devc->framebuf + devc->samp_buffered * 2, | |
e749a8cb | 803 | transfer->buffer, pre * 2); |
269971dd | 804 | devc->samp_buffered += pre; |
e749a8cb BV |
805 | |
806 | /* The rest of this chunk starts with the trigger point. */ | |
e98b7f1b | 807 | sr_dbg("Reached trigger point, %d samples buffered.", |
46a743c1 | 808 | devc->samp_buffered); |
e749a8cb BV |
809 | |
810 | /* Avoid the corner case where the chunk ended at | |
811 | * exactly the trigger point. */ | |
812 | if (num_samples > pre) | |
69e19dd7 | 813 | send_chunk(sdi, transfer->buffer + pre * 2, |
e749a8cb BV |
814 | num_samples - pre); |
815 | } | |
816 | } else { | |
817 | /* Already past the trigger point, just send it all out. */ | |
a95f142e | 818 | send_chunk(sdi, transfer->buffer, num_samples); |
e749a8cb BV |
819 | } |
820 | ||
269971dd | 821 | devc->samp_received += num_samples; |
e749a8cb BV |
822 | |
823 | /* Everything in this transfer was either copied to the buffer or | |
824 | * sent to the session bus. */ | |
3b533202 BV |
825 | g_free(transfer->buffer); |
826 | libusb_free_transfer(transfer); | |
3b533202 | 827 | |
269971dd | 828 | if (devc->samp_received >= devc->framesize) { |
e749a8cb BV |
829 | /* That was the last chunk in this frame. Send the buffered |
830 | * pre-trigger samples out now, in one big chunk. */ | |
e98b7f1b | 831 | sr_dbg("End of frame, sending %d pre-trigger buffered samples.", |
46a743c1 | 832 | devc->samp_buffered); |
69e19dd7 | 833 | send_chunk(sdi, devc->framebuf, devc->samp_buffered); |
e749a8cb BV |
834 | |
835 | /* Mark the end of this frame. */ | |
ae88b97b | 836 | packet.type = SR_DF_FRAME_END; |
695dc859 | 837 | sr_session_send(sdi, &packet); |
ae88b97b | 838 | |
269971dd | 839 | if (devc->limit_frames && ++devc->num_frames == devc->limit_frames) { |
ae88b97b | 840 | /* Terminate session */ |
a3508e33 | 841 | devc->dev_state = STOPPING; |
ae88b97b | 842 | } else { |
269971dd | 843 | devc->dev_state = NEW_CAPTURE; |
ae88b97b BV |
844 | } |
845 | } | |
3b533202 BV |
846 | } |
847 | ||
848 | static int handle_event(int fd, int revents, void *cb_data) | |
849 | { | |
a3508e33 | 850 | const struct sr_dev_inst *sdi; |
ae88b97b | 851 | struct sr_datafeed_packet packet; |
3b533202 | 852 | struct timeval tv; |
4f840ce9 | 853 | struct sr_dev_driver *di; |
269971dd | 854 | struct dev_context *devc; |
4f840ce9 | 855 | struct drv_context *drvc; |
ba7dd8bb | 856 | int num_channels; |
6e6eeff4 BV |
857 | uint32_t trigger_offset; |
858 | uint8_t capturestate; | |
3b533202 | 859 | |
3b533202 BV |
860 | (void)fd; |
861 | (void)revents; | |
862 | ||
269971dd | 863 | sdi = cb_data; |
4f840ce9 | 864 | di = sdi->driver; |
41812aca | 865 | drvc = di->context; |
269971dd | 866 | devc = sdi->priv; |
a3508e33 BV |
867 | if (devc->dev_state == STOPPING) { |
868 | /* We've been told to wind up the acquisition. */ | |
e98b7f1b UH |
869 | sr_dbg("Stopping acquisition."); |
870 | /* | |
871 | * TODO: Doesn't really cancel pending transfers so they might | |
872 | * come in after SR_DF_END is sent. | |
873 | */ | |
102f1239 | 874 | usb_source_remove(sdi->session, drvc->sr_ctx); |
a3508e33 | 875 | |
3be42bc2 | 876 | std_session_send_df_end(sdi, LOG_PREFIX); |
a3508e33 BV |
877 | |
878 | devc->dev_state = IDLE; | |
879 | ||
880 | return TRUE; | |
881 | } | |
882 | ||
3b533202 BV |
883 | /* Always handle pending libusb events. */ |
884 | tv.tv_sec = tv.tv_usec = 0; | |
d4abb463 | 885 | libusb_handle_events_timeout(drvc->sr_ctx->libusb_ctx, &tv); |
3b533202 | 886 | |
3b533202 | 887 | /* TODO: ugh */ |
269971dd | 888 | if (devc->dev_state == NEW_CAPTURE) { |
c118080b | 889 | if (dso_capture_start(sdi) != SR_OK) |
3b533202 | 890 | return TRUE; |
c118080b | 891 | if (dso_enable_trigger(sdi) != SR_OK) |
3b533202 | 892 | return TRUE; |
c118080b | 893 | // if (dso_force_trigger(sdi) != SR_OK) |
a370ef19 | 894 | // return TRUE; |
e98b7f1b | 895 | sr_dbg("Successfully requested next chunk."); |
269971dd | 896 | devc->dev_state = CAPTURE; |
3b533202 BV |
897 | return TRUE; |
898 | } | |
269971dd | 899 | if (devc->dev_state != CAPTURE) |
3b533202 BV |
900 | return TRUE; |
901 | ||
c118080b | 902 | if ((dso_get_capturestate(sdi, &capturestate, &trigger_offset)) != SR_OK) |
3b533202 | 903 | return TRUE; |
3b533202 | 904 | |
e98b7f1b UH |
905 | sr_dbg("Capturestate %d.", capturestate); |
906 | sr_dbg("Trigger offset 0x%.6x.", trigger_offset); | |
3b533202 BV |
907 | switch (capturestate) { |
908 | case CAPTURE_EMPTY: | |
269971dd BV |
909 | if (++devc->capture_empty_count >= MAX_CAPTURE_EMPTY) { |
910 | devc->capture_empty_count = 0; | |
c118080b | 911 | if (dso_capture_start(sdi) != SR_OK) |
3b533202 | 912 | break; |
c118080b | 913 | if (dso_enable_trigger(sdi) != SR_OK) |
3b533202 | 914 | break; |
c118080b | 915 | // if (dso_force_trigger(sdi) != SR_OK) |
a370ef19 | 916 | // break; |
e98b7f1b | 917 | sr_dbg("Successfully requested next chunk."); |
3b533202 BV |
918 | } |
919 | break; | |
920 | case CAPTURE_FILLING: | |
e98b7f1b | 921 | /* No data yet. */ |
3b533202 BV |
922 | break; |
923 | case CAPTURE_READY_8BIT: | |
e749a8cb | 924 | /* Remember where in the captured frame the trigger is. */ |
269971dd | 925 | devc->trigger_offset = trigger_offset; |
e749a8cb | 926 | |
ba7dd8bb | 927 | num_channels = (devc->ch1_enabled && devc->ch2_enabled) ? 2 : 1; |
a95f142e | 928 | devc->framebuf = g_malloc(devc->framesize * num_channels * 2); |
269971dd | 929 | devc->samp_buffered = devc->samp_received = 0; |
e749a8cb | 930 | |
3b533202 | 931 | /* Tell the scope to send us the first frame. */ |
69e19dd7 | 932 | if (dso_get_channeldata(sdi, receive_transfer) != SR_OK) |
3b533202 | 933 | break; |
ae88b97b | 934 | |
e98b7f1b UH |
935 | /* |
936 | * Don't hit the state machine again until we're done fetching | |
ae88b97b BV |
937 | * the data we just told the scope to send. |
938 | */ | |
269971dd | 939 | devc->dev_state = FETCH_DATA; |
ae88b97b BV |
940 | |
941 | /* Tell the frontend a new frame is on the way. */ | |
942 | packet.type = SR_DF_FRAME_BEGIN; | |
269971dd | 943 | sr_session_send(sdi, &packet); |
3b533202 BV |
944 | break; |
945 | case CAPTURE_READY_9BIT: | |
946 | /* TODO */ | |
e98b7f1b | 947 | sr_err("Not yet supported."); |
3b533202 BV |
948 | break; |
949 | case CAPTURE_TIMEOUT: | |
950 | /* Doesn't matter, we'll try again next time. */ | |
951 | break; | |
952 | default: | |
e98b7f1b UH |
953 | sr_dbg("Unknown capture state: %d.", capturestate); |
954 | break; | |
3b533202 BV |
955 | } |
956 | ||
957 | return TRUE; | |
958 | } | |
959 | ||
695dc859 | 960 | static int dev_acquisition_start(const struct sr_dev_inst *sdi) |
3b533202 | 961 | { |
269971dd | 962 | struct dev_context *devc; |
4f840ce9 | 963 | struct sr_dev_driver *di = sdi->driver; |
41812aca | 964 | struct drv_context *drvc = di->context; |
3b533202 | 965 | |
3b533202 | 966 | if (sdi->status != SR_ST_ACTIVE) |
e73ffd42 | 967 | return SR_ERR_DEV_CLOSED; |
3b533202 | 968 | |
269971dd | 969 | devc = sdi->priv; |
3b533202 | 970 | |
ba7dd8bb UH |
971 | if (configure_channels(sdi) != SR_OK) { |
972 | sr_err("Failed to configure channels."); | |
014359e3 BV |
973 | return SR_ERR; |
974 | } | |
975 | ||
c118080b | 976 | if (dso_init(sdi) != SR_OK) |
3b533202 BV |
977 | return SR_ERR; |
978 | ||
c118080b | 979 | if (dso_capture_start(sdi) != SR_OK) |
3b533202 BV |
980 | return SR_ERR; |
981 | ||
269971dd | 982 | devc->dev_state = CAPTURE; |
102f1239 | 983 | usb_source_add(sdi->session, drvc->sr_ctx, TICK, handle_event, (void *)sdi); |
3b533202 | 984 | |
695dc859 | 985 | std_session_send_df_header(sdi, LOG_PREFIX); |
3b533202 | 986 | |
3b533202 BV |
987 | return SR_OK; |
988 | } | |
989 | ||
695dc859 | 990 | static int dev_acquisition_stop(struct sr_dev_inst *sdi) |
3b533202 | 991 | { |
269971dd BV |
992 | struct dev_context *devc; |
993 | ||
3b533202 BV |
994 | if (sdi->status != SR_ST_ACTIVE) |
995 | return SR_ERR; | |
996 | ||
a3508e33 BV |
997 | devc = sdi->priv; |
998 | devc->dev_state = STOPPING; | |
3b533202 BV |
999 | |
1000 | return SR_OK; | |
1001 | } | |
1002 | ||
62bb8840 | 1003 | SR_PRIV struct sr_dev_driver hantek_dso_driver_info = { |
3b533202 BV |
1004 | .name = "hantek-dso", |
1005 | .longname = "Hantek DSO", | |
1006 | .api_version = 1, | |
6078d2c9 | 1007 | .init = init, |
700d6b64 | 1008 | .cleanup = std_cleanup, |
6078d2c9 | 1009 | .scan = scan, |
c01bf34c | 1010 | .dev_list = std_dev_list, |
3b412e3a | 1011 | .dev_clear = dev_clear, |
79917848 | 1012 | .config_get = config_get, |
035a1078 | 1013 | .config_set = config_set, |
a1c743fc | 1014 | .config_list = config_list, |
6078d2c9 UH |
1015 | .dev_open = dev_open, |
1016 | .dev_close = dev_close, | |
1017 | .dev_acquisition_start = dev_acquisition_start, | |
1018 | .dev_acquisition_stop = dev_acquisition_stop, | |
41812aca | 1019 | .context = NULL, |
3b533202 | 1020 | }; |