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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 BV |
54 | static const uint32_t devopts[] = { |
55 | SR_CONF_CONTINUOUS | SR_CONF_SET, | |
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 | ||
4f840ce9 | 361 | static GSList *dev_list(const struct sr_dev_driver *di) |
811deee4 | 362 | { |
41812aca | 363 | return ((struct drv_context *)(di->context))->instances; |
811deee4 BV |
364 | } |
365 | ||
6078d2c9 | 366 | static int dev_open(struct sr_dev_inst *sdi) |
3b533202 | 367 | { |
269971dd | 368 | struct dev_context *devc; |
c118080b | 369 | struct sr_usb_dev_inst *usb; |
fc8fe3e3 BV |
370 | int64_t timediff_us, timediff_ms; |
371 | int err; | |
3b533202 | 372 | |
269971dd | 373 | devc = sdi->priv; |
c118080b | 374 | usb = sdi->conn; |
3b533202 BV |
375 | |
376 | /* | |
e98b7f1b UH |
377 | * If the firmware was recently uploaded, wait up to MAX_RENUM_DELAY_MS |
378 | * for the FX2 to renumerate. | |
3b533202 | 379 | */ |
fc8fe3e3 | 380 | err = SR_ERR; |
269971dd | 381 | if (devc->fw_updated > 0) { |
e98b7f1b UH |
382 | sr_info("Waiting for device to reset."); |
383 | /* Takes >= 300ms for the FX2 to be gone from the USB bus. */ | |
3b533202 | 384 | g_usleep(300 * 1000); |
fc8fe3e3 BV |
385 | timediff_ms = 0; |
386 | while (timediff_ms < MAX_RENUM_DELAY_MS) { | |
25a0f108 | 387 | if ((err = dso_open(sdi)) == SR_OK) |
3b533202 BV |
388 | break; |
389 | g_usleep(100 * 1000); | |
269971dd | 390 | timediff_us = g_get_monotonic_time() - devc->fw_updated; |
fc8fe3e3 | 391 | timediff_ms = timediff_us / 1000; |
e98b7f1b | 392 | sr_spew("Waited %" PRIi64 " ms.", timediff_ms); |
3b533202 | 393 | } |
6433156c | 394 | sr_info("Device came back after %" PRIi64 " ms.", timediff_ms); |
3b533202 | 395 | } else { |
25a0f108 | 396 | err = dso_open(sdi); |
3b533202 BV |
397 | } |
398 | ||
399 | if (err != SR_OK) { | |
e98b7f1b | 400 | sr_err("Unable to open device."); |
3b533202 BV |
401 | return SR_ERR; |
402 | } | |
403 | ||
c118080b | 404 | err = libusb_claim_interface(usb->devhdl, USB_INTERFACE); |
3b533202 | 405 | if (err != 0) { |
d4928d71 | 406 | sr_err("Unable to claim interface: %s.", |
46a743c1 | 407 | libusb_error_name(err)); |
3b533202 BV |
408 | return SR_ERR; |
409 | } | |
410 | ||
411 | return SR_OK; | |
412 | } | |
413 | ||
6078d2c9 | 414 | static int dev_close(struct sr_dev_inst *sdi) |
3b533202 | 415 | { |
3b533202 BV |
416 | dso_close(sdi); |
417 | ||
418 | return SR_OK; | |
419 | } | |
420 | ||
584560f1 | 421 | static int config_get(uint32_t key, GVariant **data, const struct sr_dev_inst *sdi, |
53b4680f | 422 | const struct sr_channel_group *cg) |
79917848 | 423 | { |
933defaa | 424 | struct dev_context *devc; |
624f5b4c | 425 | struct sr_usb_dev_inst *usb; |
2c240774 UH |
426 | char str[128]; |
427 | const char *s; | |
933defaa BV |
428 | const uint64_t *vdiv; |
429 | int ch_idx; | |
79917848 | 430 | |
584560f1 | 431 | switch (key) { |
bf622e6d | 432 | case SR_CONF_NUM_HDIV: |
79917848 BV |
433 | *data = g_variant_new_int32(NUM_TIMEBASE); |
434 | break; | |
435 | case SR_CONF_NUM_VDIV: | |
436 | *data = g_variant_new_int32(NUM_VDIV); | |
437 | break; | |
933defaa BV |
438 | } |
439 | ||
440 | if (!sdi) | |
441 | return SR_ERR_ARG; | |
442 | ||
443 | devc = sdi->priv; | |
444 | if (!cg) { | |
445 | switch (key) { | |
446 | case SR_CONF_CONN: | |
447 | if (!sdi->conn) | |
448 | return SR_ERR_ARG; | |
449 | usb = sdi->conn; | |
450 | if (usb->address == 255) | |
451 | /* Device still needs to re-enumerate after firmware | |
452 | * upload, so we don't know its (future) address. */ | |
453 | return SR_ERR; | |
454 | snprintf(str, 128, "%d.%d", usb->bus, usb->address); | |
455 | *data = g_variant_new_string(str); | |
456 | break; | |
457 | case SR_CONF_TIMEBASE: | |
458 | *data = g_variant_new("(tt)", timebases[devc->timebase][0], | |
459 | timebases[devc->timebase][1]); | |
460 | break; | |
461 | case SR_CONF_BUFFERSIZE: | |
462 | *data = g_variant_new_uint64(devc->framesize); | |
463 | break; | |
464 | case SR_CONF_TRIGGER_SOURCE: | |
465 | *data = g_variant_new_string(devc->triggersource); | |
466 | break; | |
467 | case SR_CONF_TRIGGER_SLOPE: | |
c442ffda | 468 | s = (devc->triggerslope == SLOPE_POSITIVE) ? "r" : "f"; |
933defaa BV |
469 | *data = g_variant_new_string(s); |
470 | break; | |
471 | case SR_CONF_HORIZ_TRIGGERPOS: | |
472 | *data = g_variant_new_double(devc->triggerposition); | |
473 | break; | |
474 | default: | |
475 | return SR_ERR_NA; | |
476 | } | |
477 | } else { | |
478 | if (sdi->channel_groups->data == cg) | |
479 | ch_idx = 0; | |
480 | else if (sdi->channel_groups->next->data == cg) | |
481 | ch_idx = 1; | |
482 | else | |
483 | return SR_ERR_ARG; | |
0c5f2abc | 484 | switch (key) { |
933defaa BV |
485 | case SR_CONF_FILTER: |
486 | *data = g_variant_new_boolean(devc->filter[ch_idx]); | |
487 | break; | |
488 | case SR_CONF_VDIV: | |
489 | vdiv = vdivs[devc->voltage[ch_idx]]; | |
490 | *data = g_variant_new("(tt)", vdiv[0], vdiv[1]); | |
491 | break; | |
492 | case SR_CONF_COUPLING: | |
493 | *data = g_variant_new_string(coupling[devc->coupling[ch_idx]]); | |
494 | break; | |
495 | } | |
79917848 BV |
496 | } |
497 | ||
498 | return SR_OK; | |
499 | } | |
500 | ||
584560f1 | 501 | static int config_set(uint32_t key, GVariant *data, const struct sr_dev_inst *sdi, |
53b4680f | 502 | const struct sr_channel_group *cg) |
3b533202 | 503 | { |
269971dd | 504 | struct dev_context *devc; |
f627afd6 | 505 | double tmp_double; |
86bb3f4a | 506 | uint64_t tmp_u64, p, q; |
933defaa | 507 | int tmp_int, ch_idx, ret; |
f627afd6 BV |
508 | unsigned int i; |
509 | const char *tmp_str; | |
8f996b89 | 510 | |
3b533202 | 511 | if (sdi->status != SR_ST_ACTIVE) |
e73ffd42 | 512 | return SR_ERR_DEV_CLOSED; |
3b533202 | 513 | |
a370ef19 | 514 | ret = SR_OK; |
269971dd | 515 | devc = sdi->priv; |
933defaa BV |
516 | if (!cg) { |
517 | switch (key) { | |
518 | case SR_CONF_LIMIT_FRAMES: | |
519 | devc->limit_frames = g_variant_get_uint64(data); | |
520 | break; | |
521 | case SR_CONF_TRIGGER_SLOPE: | |
522 | tmp_str = g_variant_get_string(data, NULL); | |
523 | if (!tmp_str || !(tmp_str[0] == 'f' || tmp_str[0] == 'r')) | |
524 | return SR_ERR_ARG; | |
525 | devc->triggerslope = (tmp_str[0] == 'r') | |
526 | ? SLOPE_POSITIVE : SLOPE_NEGATIVE; | |
527 | break; | |
528 | case SR_CONF_HORIZ_TRIGGERPOS: | |
529 | tmp_double = g_variant_get_double(data); | |
530 | if (tmp_double < 0.0 || tmp_double > 1.0) { | |
531 | sr_err("Trigger position should be between 0.0 and 1.0."); | |
532 | ret = SR_ERR_ARG; | |
533 | } else | |
534 | devc->triggerposition = tmp_double; | |
535 | break; | |
536 | case SR_CONF_BUFFERSIZE: | |
537 | tmp_u64 = g_variant_get_uint64(data); | |
07ffa5b3 | 538 | for (i = 0; i < NUM_BUFFER_SIZES; i++) { |
933defaa BV |
539 | if (devc->profile->buffersizes[i] == tmp_u64) { |
540 | devc->framesize = tmp_u64; | |
541 | break; | |
542 | } | |
a370ef19 | 543 | } |
07ffa5b3 | 544 | if (i == NUM_BUFFER_SIZES) |
933defaa BV |
545 | ret = SR_ERR_ARG; |
546 | break; | |
547 | case SR_CONF_TIMEBASE: | |
548 | g_variant_get(data, "(tt)", &p, &q); | |
549 | tmp_int = -1; | |
550 | for (i = 0; i < ARRAY_SIZE(timebases); i++) { | |
551 | if (timebases[i][0] == p && timebases[i][1] == q) { | |
552 | tmp_int = i; | |
553 | break; | |
554 | } | |
a370ef19 | 555 | } |
933defaa BV |
556 | if (tmp_int >= 0) |
557 | devc->timebase = tmp_int; | |
558 | else | |
ebb781a6 | 559 | ret = SR_ERR_ARG; |
933defaa BV |
560 | break; |
561 | case SR_CONF_TRIGGER_SOURCE: | |
562 | tmp_str = g_variant_get_string(data, NULL); | |
563 | for (i = 0; trigger_sources[i]; i++) { | |
564 | if (!strcmp(tmp_str, trigger_sources[i])) { | |
565 | devc->triggersource = g_strdup(tmp_str); | |
566 | break; | |
567 | } | |
ebb781a6 | 568 | } |
933defaa BV |
569 | if (trigger_sources[i] == 0) |
570 | ret = SR_ERR_ARG; | |
571 | break; | |
572 | default: | |
573 | ret = SR_ERR_NA; | |
574 | break; | |
ebb781a6 | 575 | } |
933defaa BV |
576 | } else { |
577 | if (sdi->channel_groups->data == cg) | |
578 | ch_idx = 0; | |
579 | else if (sdi->channel_groups->next->data == cg) | |
580 | ch_idx = 1; | |
581 | else | |
582 | return SR_ERR_ARG; | |
583 | switch (key) { | |
584 | case SR_CONF_FILTER: | |
585 | devc->filter[ch_idx] = g_variant_get_boolean(data); | |
586 | break; | |
587 | case SR_CONF_VDIV: | |
588 | g_variant_get(data, "(tt)", &p, &q); | |
589 | tmp_int = -1; | |
590 | for (i = 0; i < ARRAY_SIZE(vdivs); i++) { | |
591 | if (vdivs[i][0] == p && vdivs[i][1] == q) { | |
592 | tmp_int = i; | |
593 | break; | |
594 | } | |
313deed2 | 595 | } |
933defaa BV |
596 | if (tmp_int >= 0) { |
597 | devc->voltage[ch_idx] = tmp_int; | |
598 | } else | |
599 | ret = SR_ERR_ARG; | |
600 | break; | |
601 | case SR_CONF_COUPLING: | |
602 | tmp_str = g_variant_get_string(data, NULL); | |
603 | for (i = 0; coupling[i]; i++) { | |
604 | if (!strcmp(tmp_str, coupling[i])) { | |
605 | devc->coupling[ch_idx] = i; | |
606 | break; | |
607 | } | |
b58fbd99 | 608 | } |
933defaa BV |
609 | if (coupling[i] == 0) |
610 | ret = SR_ERR_ARG; | |
611 | break; | |
612 | default: | |
613 | ret = SR_ERR_NA; | |
614 | break; | |
b58fbd99 | 615 | } |
3b533202 BV |
616 | } |
617 | ||
618 | return ret; | |
619 | } | |
620 | ||
584560f1 | 621 | static int config_list(uint32_t key, GVariant **data, const struct sr_dev_inst *sdi, |
53b4680f | 622 | const struct sr_channel_group *cg) |
a1c743fc | 623 | { |
034accb5 | 624 | struct dev_context *devc; |
3973ee26 BV |
625 | GVariant *tuple, *rational[2]; |
626 | GVariantBuilder gvb; | |
627 | unsigned int i; | |
a1c743fc | 628 | |
933defaa | 629 | if (key == SR_CONF_SCAN_OPTIONS) { |
584560f1 BV |
630 | *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32, |
631 | scanopts, ARRAY_SIZE(scanopts), sizeof(uint32_t)); | |
933defaa BV |
632 | return SR_OK; |
633 | } else if (key == SR_CONF_DEVICE_OPTIONS && !sdi) { | |
584560f1 | 634 | *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32, |
5ecd9049 | 635 | drvopts, ARRAY_SIZE(drvopts), sizeof(uint32_t)); |
933defaa BV |
636 | return SR_OK; |
637 | } | |
638 | ||
639 | if (!sdi) | |
640 | return SR_ERR_ARG; | |
641 | ||
642 | if (!cg) { | |
93b118da | 643 | switch (key) { |
933defaa BV |
644 | case SR_CONF_DEVICE_OPTIONS: |
645 | *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32, | |
5ecd9049 | 646 | devopts, ARRAY_SIZE(devopts), sizeof(uint32_t)); |
933defaa BV |
647 | break; |
648 | case SR_CONF_BUFFERSIZE: | |
649 | if (!sdi) | |
650 | return SR_ERR_ARG; | |
651 | devc = sdi->priv; | |
652 | *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT64, | |
07ffa5b3 | 653 | devc->profile->buffersizes, NUM_BUFFER_SIZES, sizeof(uint64_t)); |
933defaa BV |
654 | break; |
655 | case SR_CONF_TIMEBASE: | |
656 | g_variant_builder_init(&gvb, G_VARIANT_TYPE_ARRAY); | |
657 | for (i = 0; i < ARRAY_SIZE(timebases); i++) { | |
658 | rational[0] = g_variant_new_uint64(timebases[i][0]); | |
659 | rational[1] = g_variant_new_uint64(timebases[i][1]); | |
660 | tuple = g_variant_new_tuple(rational, 2); | |
661 | g_variant_builder_add_value(&gvb, tuple); | |
662 | } | |
663 | *data = g_variant_builder_end(&gvb); | |
664 | break; | |
665 | case SR_CONF_TRIGGER_SOURCE: | |
666 | *data = g_variant_new_strv(trigger_sources, | |
667 | ARRAY_SIZE(trigger_sources)); | |
668 | break; | |
669 | case SR_CONF_TRIGGER_SLOPE: | |
670 | *data = g_variant_new_strv(trigger_slopes, | |
671 | ARRAY_SIZE(trigger_slopes)); | |
672 | break; | |
673 | default: | |
674 | return SR_ERR_NA; | |
3973ee26 | 675 | } |
933defaa | 676 | } else { |
93b118da | 677 | switch (key) { |
933defaa BV |
678 | case SR_CONF_DEVICE_OPTIONS: |
679 | *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32, | |
680 | devopts_cg, ARRAY_SIZE(devopts_cg), sizeof(uint32_t)); | |
681 | break; | |
682 | case SR_CONF_COUPLING: | |
683 | *data = g_variant_new_strv(coupling, ARRAY_SIZE(coupling)); | |
684 | break; | |
685 | case SR_CONF_VDIV: | |
686 | g_variant_builder_init(&gvb, G_VARIANT_TYPE_ARRAY); | |
687 | for (i = 0; i < ARRAY_SIZE(vdivs); i++) { | |
688 | rational[0] = g_variant_new_uint64(vdivs[i][0]); | |
689 | rational[1] = g_variant_new_uint64(vdivs[i][1]); | |
690 | tuple = g_variant_new_tuple(rational, 2); | |
691 | g_variant_builder_add_value(&gvb, tuple); | |
692 | } | |
693 | *data = g_variant_builder_end(&gvb); | |
694 | break; | |
695 | default: | |
696 | return SR_ERR_NA; | |
3973ee26 | 697 | } |
a1c743fc BV |
698 | } |
699 | ||
700 | return SR_OK; | |
701 | } | |
702 | ||
69e19dd7 | 703 | static void send_chunk(struct sr_dev_inst *sdi, unsigned char *buf, |
e749a8cb | 704 | int num_samples) |
3b533202 BV |
705 | { |
706 | struct sr_datafeed_packet packet; | |
5faebab2 | 707 | struct sr_datafeed_analog_old analog; |
69e19dd7 | 708 | struct dev_context *devc; |
c5841b28 | 709 | float ch1, ch2, range; |
ba7dd8bb | 710 | int num_channels, data_offset, i; |
3b533202 | 711 | |
69e19dd7 | 712 | devc = sdi->priv; |
ba7dd8bb | 713 | num_channels = (devc->ch1_enabled && devc->ch2_enabled) ? 2 : 1; |
5faebab2 | 714 | packet.type = SR_DF_ANALOG_OLD; |
3b533202 | 715 | packet.payload = &analog; |
6e71ef3b | 716 | /* TODO: support for 5xxx series 9-bit samples */ |
ba7dd8bb | 717 | analog.channels = devc->enabled_channels; |
e749a8cb | 718 | analog.num_samples = num_samples; |
9956f285 UH |
719 | analog.mq = SR_MQ_VOLTAGE; |
720 | analog.unit = SR_UNIT_VOLT; | |
cf49d66b | 721 | analog.mqflags = 0; |
886a52b6 | 722 | /* TODO: Check malloc return value. */ |
ba7dd8bb | 723 | analog.data = g_try_malloc(analog.num_samples * sizeof(float) * num_channels); |
6e71ef3b | 724 | data_offset = 0; |
3b533202 | 725 | for (i = 0; i < analog.num_samples; i++) { |
e98b7f1b UH |
726 | /* |
727 | * The device always sends data for both channels. If a channel | |
6e71ef3b | 728 | * is disabled, it contains a copy of the enabled channel's |
e98b7f1b UH |
729 | * data. However, we only send the requested channels to |
730 | * the bus. | |
c5841b28 | 731 | * |
e98b7f1b UH |
732 | * Voltage values are encoded as a value 0-255 (0-512 on the |
733 | * DSO-5200*), where the value is a point in the range | |
734 | * represented by the vdiv setting. There are 8 vertical divs, | |
735 | * so e.g. 500mV/div represents 4V peak-to-peak where 0 = -2V | |
736 | * and 255 = +2V. | |
6e71ef3b | 737 | */ |
e98b7f1b | 738 | /* TODO: Support for DSO-5xxx series 9-bit samples. */ |
269971dd | 739 | if (devc->ch1_enabled) { |
933defaa | 740 | range = ((float)vdivs[devc->voltage[0]][0] / vdivs[devc->voltage[0]][1]) * 8; |
e749a8cb | 741 | ch1 = range / 255 * *(buf + i * 2 + 1); |
c5841b28 BV |
742 | /* Value is centered around 0V. */ |
743 | ch1 -= range / 2; | |
6e71ef3b BV |
744 | analog.data[data_offset++] = ch1; |
745 | } | |
269971dd | 746 | if (devc->ch2_enabled) { |
933defaa | 747 | range = ((float)vdivs[devc->voltage[1]][0] / vdivs[devc->voltage[1]][1]) * 8; |
e749a8cb | 748 | ch2 = range / 255 * *(buf + i * 2); |
c5841b28 | 749 | ch2 -= range / 2; |
6e71ef3b BV |
750 | analog.data[data_offset++] = ch2; |
751 | } | |
3b533202 | 752 | } |
695dc859 | 753 | sr_session_send(sdi, &packet); |
1e6b5b93 | 754 | g_free(analog.data); |
e749a8cb BV |
755 | } |
756 | ||
e98b7f1b UH |
757 | /* |
758 | * Called by libusb (as triggered by handle_event()) when a transfer comes in. | |
e749a8cb | 759 | * Only channel data comes in asynchronously, and all transfers for this are |
e98b7f1b | 760 | * queued up beforehand, so this just needs to chuck the incoming data onto |
e749a8cb BV |
761 | * the libsigrok session bus. |
762 | */ | |
55462b8b | 763 | static void LIBUSB_CALL receive_transfer(struct libusb_transfer *transfer) |
e749a8cb BV |
764 | { |
765 | struct sr_datafeed_packet packet; | |
69e19dd7 | 766 | struct sr_dev_inst *sdi; |
269971dd | 767 | struct dev_context *devc; |
e749a8cb BV |
768 | int num_samples, pre; |
769 | ||
69e19dd7 BV |
770 | sdi = transfer->user_data; |
771 | devc = sdi->priv; | |
eb8e6cd2 UH |
772 | sr_spew("receive_transfer(): status %s received %d bytes.", |
773 | libusb_error_name(transfer->status), transfer->actual_length); | |
e749a8cb BV |
774 | |
775 | if (transfer->actual_length == 0) | |
776 | /* Nothing to send to the bus. */ | |
777 | return; | |
778 | ||
779 | num_samples = transfer->actual_length / 2; | |
780 | ||
d4007311 | 781 | sr_spew("Got %d-%d/%d samples in frame.", devc->samp_received + 1, |
46a743c1 | 782 | devc->samp_received + num_samples, devc->framesize); |
e749a8cb | 783 | |
e98b7f1b UH |
784 | /* |
785 | * The device always sends a full frame, but the beginning of the frame | |
e749a8cb BV |
786 | * doesn't represent the trigger point. The offset at which the trigger |
787 | * happened came in with the capture state, so we need to start sending | |
e98b7f1b UH |
788 | * from there up the session bus. The samples in the frame buffer |
789 | * before that trigger point came after the end of the device's frame | |
790 | * buffer was reached, and it wrapped around to overwrite up until the | |
791 | * trigger point. | |
e749a8cb | 792 | */ |
269971dd | 793 | if (devc->samp_received < devc->trigger_offset) { |
e749a8cb | 794 | /* Trigger point not yet reached. */ |
269971dd | 795 | if (devc->samp_received + num_samples < devc->trigger_offset) { |
e749a8cb | 796 | /* The entire chunk is before the trigger point. */ |
269971dd | 797 | memcpy(devc->framebuf + devc->samp_buffered * 2, |
e749a8cb | 798 | transfer->buffer, num_samples * 2); |
269971dd | 799 | devc->samp_buffered += num_samples; |
e749a8cb | 800 | } else { |
e98b7f1b UH |
801 | /* |
802 | * This chunk hits or overruns the trigger point. | |
e749a8cb | 803 | * Store the part before the trigger fired, and |
e98b7f1b UH |
804 | * send the rest up to the session bus. |
805 | */ | |
269971dd BV |
806 | pre = devc->trigger_offset - devc->samp_received; |
807 | memcpy(devc->framebuf + devc->samp_buffered * 2, | |
e749a8cb | 808 | transfer->buffer, pre * 2); |
269971dd | 809 | devc->samp_buffered += pre; |
e749a8cb BV |
810 | |
811 | /* The rest of this chunk starts with the trigger point. */ | |
e98b7f1b | 812 | sr_dbg("Reached trigger point, %d samples buffered.", |
46a743c1 | 813 | devc->samp_buffered); |
e749a8cb BV |
814 | |
815 | /* Avoid the corner case where the chunk ended at | |
816 | * exactly the trigger point. */ | |
817 | if (num_samples > pre) | |
69e19dd7 | 818 | send_chunk(sdi, transfer->buffer + pre * 2, |
e749a8cb BV |
819 | num_samples - pre); |
820 | } | |
821 | } else { | |
822 | /* Already past the trigger point, just send it all out. */ | |
a95f142e | 823 | send_chunk(sdi, transfer->buffer, num_samples); |
e749a8cb BV |
824 | } |
825 | ||
269971dd | 826 | devc->samp_received += num_samples; |
e749a8cb BV |
827 | |
828 | /* Everything in this transfer was either copied to the buffer or | |
829 | * sent to the session bus. */ | |
3b533202 BV |
830 | g_free(transfer->buffer); |
831 | libusb_free_transfer(transfer); | |
3b533202 | 832 | |
269971dd | 833 | if (devc->samp_received >= devc->framesize) { |
e749a8cb BV |
834 | /* That was the last chunk in this frame. Send the buffered |
835 | * pre-trigger samples out now, in one big chunk. */ | |
e98b7f1b | 836 | sr_dbg("End of frame, sending %d pre-trigger buffered samples.", |
46a743c1 | 837 | devc->samp_buffered); |
69e19dd7 | 838 | send_chunk(sdi, devc->framebuf, devc->samp_buffered); |
e749a8cb BV |
839 | |
840 | /* Mark the end of this frame. */ | |
ae88b97b | 841 | packet.type = SR_DF_FRAME_END; |
695dc859 | 842 | sr_session_send(sdi, &packet); |
ae88b97b | 843 | |
269971dd | 844 | if (devc->limit_frames && ++devc->num_frames == devc->limit_frames) { |
ae88b97b | 845 | /* Terminate session */ |
a3508e33 | 846 | devc->dev_state = STOPPING; |
ae88b97b | 847 | } else { |
269971dd | 848 | devc->dev_state = NEW_CAPTURE; |
ae88b97b BV |
849 | } |
850 | } | |
3b533202 BV |
851 | } |
852 | ||
853 | static int handle_event(int fd, int revents, void *cb_data) | |
854 | { | |
a3508e33 | 855 | const struct sr_dev_inst *sdi; |
ae88b97b | 856 | struct sr_datafeed_packet packet; |
3b533202 | 857 | struct timeval tv; |
4f840ce9 | 858 | struct sr_dev_driver *di; |
269971dd | 859 | struct dev_context *devc; |
4f840ce9 | 860 | struct drv_context *drvc; |
ba7dd8bb | 861 | int num_channels; |
6e6eeff4 BV |
862 | uint32_t trigger_offset; |
863 | uint8_t capturestate; | |
3b533202 | 864 | |
3b533202 BV |
865 | (void)fd; |
866 | (void)revents; | |
867 | ||
269971dd | 868 | sdi = cb_data; |
4f840ce9 | 869 | di = sdi->driver; |
41812aca | 870 | drvc = di->context; |
269971dd | 871 | devc = sdi->priv; |
a3508e33 BV |
872 | if (devc->dev_state == STOPPING) { |
873 | /* We've been told to wind up the acquisition. */ | |
e98b7f1b UH |
874 | sr_dbg("Stopping acquisition."); |
875 | /* | |
876 | * TODO: Doesn't really cancel pending transfers so they might | |
877 | * come in after SR_DF_END is sent. | |
878 | */ | |
102f1239 | 879 | usb_source_remove(sdi->session, drvc->sr_ctx); |
a3508e33 | 880 | |
3be42bc2 | 881 | std_session_send_df_end(sdi, LOG_PREFIX); |
a3508e33 BV |
882 | |
883 | devc->dev_state = IDLE; | |
884 | ||
885 | return TRUE; | |
886 | } | |
887 | ||
3b533202 BV |
888 | /* Always handle pending libusb events. */ |
889 | tv.tv_sec = tv.tv_usec = 0; | |
d4abb463 | 890 | libusb_handle_events_timeout(drvc->sr_ctx->libusb_ctx, &tv); |
3b533202 | 891 | |
3b533202 | 892 | /* TODO: ugh */ |
269971dd | 893 | if (devc->dev_state == NEW_CAPTURE) { |
c118080b | 894 | if (dso_capture_start(sdi) != SR_OK) |
3b533202 | 895 | return TRUE; |
c118080b | 896 | if (dso_enable_trigger(sdi) != SR_OK) |
3b533202 | 897 | return TRUE; |
c118080b | 898 | // if (dso_force_trigger(sdi) != SR_OK) |
a370ef19 | 899 | // return TRUE; |
e98b7f1b | 900 | sr_dbg("Successfully requested next chunk."); |
269971dd | 901 | devc->dev_state = CAPTURE; |
3b533202 BV |
902 | return TRUE; |
903 | } | |
269971dd | 904 | if (devc->dev_state != CAPTURE) |
3b533202 BV |
905 | return TRUE; |
906 | ||
c118080b | 907 | if ((dso_get_capturestate(sdi, &capturestate, &trigger_offset)) != SR_OK) |
3b533202 | 908 | return TRUE; |
3b533202 | 909 | |
e98b7f1b UH |
910 | sr_dbg("Capturestate %d.", capturestate); |
911 | sr_dbg("Trigger offset 0x%.6x.", trigger_offset); | |
3b533202 BV |
912 | switch (capturestate) { |
913 | case CAPTURE_EMPTY: | |
269971dd BV |
914 | if (++devc->capture_empty_count >= MAX_CAPTURE_EMPTY) { |
915 | devc->capture_empty_count = 0; | |
c118080b | 916 | if (dso_capture_start(sdi) != SR_OK) |
3b533202 | 917 | break; |
c118080b | 918 | if (dso_enable_trigger(sdi) != SR_OK) |
3b533202 | 919 | break; |
c118080b | 920 | // if (dso_force_trigger(sdi) != SR_OK) |
a370ef19 | 921 | // break; |
e98b7f1b | 922 | sr_dbg("Successfully requested next chunk."); |
3b533202 BV |
923 | } |
924 | break; | |
925 | case CAPTURE_FILLING: | |
e98b7f1b | 926 | /* No data yet. */ |
3b533202 BV |
927 | break; |
928 | case CAPTURE_READY_8BIT: | |
e749a8cb | 929 | /* Remember where in the captured frame the trigger is. */ |
269971dd | 930 | devc->trigger_offset = trigger_offset; |
e749a8cb | 931 | |
ba7dd8bb | 932 | num_channels = (devc->ch1_enabled && devc->ch2_enabled) ? 2 : 1; |
a95f142e | 933 | devc->framebuf = g_malloc(devc->framesize * num_channels * 2); |
269971dd | 934 | devc->samp_buffered = devc->samp_received = 0; |
e749a8cb | 935 | |
3b533202 | 936 | /* Tell the scope to send us the first frame. */ |
69e19dd7 | 937 | if (dso_get_channeldata(sdi, receive_transfer) != SR_OK) |
3b533202 | 938 | break; |
ae88b97b | 939 | |
e98b7f1b UH |
940 | /* |
941 | * Don't hit the state machine again until we're done fetching | |
ae88b97b BV |
942 | * the data we just told the scope to send. |
943 | */ | |
269971dd | 944 | devc->dev_state = FETCH_DATA; |
ae88b97b BV |
945 | |
946 | /* Tell the frontend a new frame is on the way. */ | |
947 | packet.type = SR_DF_FRAME_BEGIN; | |
269971dd | 948 | sr_session_send(sdi, &packet); |
3b533202 BV |
949 | break; |
950 | case CAPTURE_READY_9BIT: | |
951 | /* TODO */ | |
e98b7f1b | 952 | sr_err("Not yet supported."); |
3b533202 BV |
953 | break; |
954 | case CAPTURE_TIMEOUT: | |
955 | /* Doesn't matter, we'll try again next time. */ | |
956 | break; | |
957 | default: | |
e98b7f1b UH |
958 | sr_dbg("Unknown capture state: %d.", capturestate); |
959 | break; | |
3b533202 BV |
960 | } |
961 | ||
962 | return TRUE; | |
963 | } | |
964 | ||
695dc859 | 965 | static int dev_acquisition_start(const struct sr_dev_inst *sdi) |
3b533202 | 966 | { |
269971dd | 967 | struct dev_context *devc; |
4f840ce9 | 968 | struct sr_dev_driver *di = sdi->driver; |
41812aca | 969 | struct drv_context *drvc = di->context; |
3b533202 | 970 | |
3b533202 | 971 | if (sdi->status != SR_ST_ACTIVE) |
e73ffd42 | 972 | return SR_ERR_DEV_CLOSED; |
3b533202 | 973 | |
269971dd | 974 | devc = sdi->priv; |
3b533202 | 975 | |
ba7dd8bb UH |
976 | if (configure_channels(sdi) != SR_OK) { |
977 | sr_err("Failed to configure channels."); | |
014359e3 BV |
978 | return SR_ERR; |
979 | } | |
980 | ||
c118080b | 981 | if (dso_init(sdi) != SR_OK) |
3b533202 BV |
982 | return SR_ERR; |
983 | ||
c118080b | 984 | if (dso_capture_start(sdi) != SR_OK) |
3b533202 BV |
985 | return SR_ERR; |
986 | ||
269971dd | 987 | devc->dev_state = CAPTURE; |
102f1239 | 988 | usb_source_add(sdi->session, drvc->sr_ctx, TICK, handle_event, (void *)sdi); |
3b533202 | 989 | |
695dc859 | 990 | std_session_send_df_header(sdi, LOG_PREFIX); |
3b533202 | 991 | |
3b533202 BV |
992 | return SR_OK; |
993 | } | |
994 | ||
695dc859 | 995 | static int dev_acquisition_stop(struct sr_dev_inst *sdi) |
3b533202 | 996 | { |
269971dd BV |
997 | struct dev_context *devc; |
998 | ||
3b533202 BV |
999 | if (sdi->status != SR_ST_ACTIVE) |
1000 | return SR_ERR; | |
1001 | ||
a3508e33 BV |
1002 | devc = sdi->priv; |
1003 | devc->dev_state = STOPPING; | |
3b533202 BV |
1004 | |
1005 | return SR_OK; | |
1006 | } | |
1007 | ||
62bb8840 | 1008 | SR_PRIV struct sr_dev_driver hantek_dso_driver_info = { |
3b533202 BV |
1009 | .name = "hantek-dso", |
1010 | .longname = "Hantek DSO", | |
1011 | .api_version = 1, | |
6078d2c9 | 1012 | .init = init, |
700d6b64 | 1013 | .cleanup = std_cleanup, |
6078d2c9 UH |
1014 | .scan = scan, |
1015 | .dev_list = dev_list, | |
3b412e3a | 1016 | .dev_clear = dev_clear, |
79917848 | 1017 | .config_get = config_get, |
035a1078 | 1018 | .config_set = config_set, |
a1c743fc | 1019 | .config_list = config_list, |
6078d2c9 UH |
1020 | .dev_open = dev_open, |
1021 | .dev_close = dev_close, | |
1022 | .dev_acquisition_start = dev_acquisition_start, | |
1023 | .dev_acquisition_stop = dev_acquisition_stop, | |
41812aca | 1024 | .context = NULL, |
3b533202 | 1025 | }; |