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3b533202 | 1 | /* |
50985c20 | 2 | * This file is part of the libsigrok project. |
3b533202 BV |
3 | * |
4 | * Copyright (C) 2012 Bert Vermeulen <bert@biot.com> | |
5 | * | |
6 | * This program is free software: you can redistribute it and/or modify | |
7 | * it under the terms of the GNU General Public License as published by | |
8 | * the Free Software Foundation, either version 3 of the License, or | |
9 | * (at your option) any later version. | |
10 | * | |
11 | * This program is distributed in the hope that it will be useful, | |
12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
14 | * GNU General Public License for more details. | |
15 | * | |
16 | * You should have received a copy of the GNU General Public License | |
17 | * along with this program. If not, see <http://www.gnu.org/licenses/>. | |
18 | */ | |
19 | ||
20 | #include <stdio.h> | |
21 | #include <stdint.h> | |
22 | #include <stdlib.h> | |
23 | #include <sys/types.h> | |
24 | #include <sys/stat.h> | |
25 | #include <fcntl.h> | |
26 | #include <unistd.h> | |
27 | #include <string.h> | |
28 | #include <sys/time.h> | |
29 | #include <inttypes.h> | |
3b533202 BV |
30 | #include <glib.h> |
31 | #include <libusb.h> | |
45c59c8b BV |
32 | #include "libsigrok.h" |
33 | #include "libsigrok-internal.h" | |
3b533202 BV |
34 | #include "dso.h" |
35 | ||
fc8fe3e3 BV |
36 | /* Max time in ms before we want to check on USB events */ |
37 | /* TODO tune this properly */ | |
e98b7f1b | 38 | #define TICK 1 |
3b533202 | 39 | |
79917848 BV |
40 | #define NUM_TIMEBASE 10 |
41 | #define NUM_VDIV 8 | |
42 | ||
584560f1 | 43 | static const uint32_t scanopts[] = { |
624f5b4c BV |
44 | SR_CONF_CONN, |
45 | }; | |
46 | ||
5ecd9049 | 47 | static const uint32_t drvopts[] = { |
1953564a | 48 | SR_CONF_OSCILLOSCOPE, |
933defaa BV |
49 | }; |
50 | ||
5ecd9049 BV |
51 | static const uint32_t devopts[] = { |
52 | SR_CONF_CONTINUOUS | SR_CONF_SET, | |
53 | SR_CONF_LIMIT_FRAMES | SR_CONF_SET, | |
933defaa BV |
54 | SR_CONF_CONN | SR_CONF_GET, |
55 | SR_CONF_TIMEBASE | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST, | |
56 | SR_CONF_BUFFERSIZE | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST, | |
57 | SR_CONF_TRIGGER_SOURCE | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST, | |
58 | SR_CONF_TRIGGER_SLOPE | SR_CONF_GET | SR_CONF_SET, | |
59 | SR_CONF_HORIZ_TRIGGERPOS | SR_CONF_GET | SR_CONF_SET, | |
bf622e6d | 60 | SR_CONF_NUM_HDIV | SR_CONF_GET, |
5827f61b | 61 | SR_CONF_NUM_VDIV | SR_CONF_GET, |
3b533202 BV |
62 | }; |
63 | ||
933defaa BV |
64 | static const uint32_t devopts_cg[] = { |
65 | SR_CONF_FILTER | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST, | |
66 | SR_CONF_VDIV | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST, | |
67 | SR_CONF_COUPLING | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST, | |
68 | }; | |
69 | ||
ba7dd8bb | 70 | static const char *channel_names[] = { |
78693401 | 71 | "CH1", "CH2", |
3b533202 BV |
72 | NULL, |
73 | }; | |
74 | ||
034accb5 BV |
75 | static const uint64_t buffersizes_32k[] = { |
76 | 10240, 32768, | |
77 | }; | |
78 | static const uint64_t buffersizes_512k[] = { | |
79 | 10240, 524288, | |
80 | }; | |
81 | static const uint64_t buffersizes_14k[] = { | |
82 | 10240, 14336, | |
83 | }; | |
84 | ||
62bb8840 | 85 | static const struct dso_profile dev_profiles[] = { |
88a13f30 | 86 | { 0x04b4, 0x2090, 0x04b5, 0x2090, |
3b533202 | 87 | "Hantek", "DSO-2090", |
034accb5 | 88 | buffersizes_32k, |
7b78b2f7 | 89 | FIRMWARE_DIR "/hantek-dso-2090.fw" }, |
88a13f30 BV |
90 | { 0x04b4, 0x2150, 0x04b5, 0x2150, |
91 | "Hantek", "DSO-2150", | |
034accb5 | 92 | buffersizes_32k, |
7b78b2f7 | 93 | FIRMWARE_DIR "/hantek-dso-2150.fw" }, |
88a13f30 BV |
94 | { 0x04b4, 0x2250, 0x04b5, 0x2250, |
95 | "Hantek", "DSO-2250", | |
034accb5 | 96 | buffersizes_512k, |
7b78b2f7 | 97 | FIRMWARE_DIR "/hantek-dso-2250.fw" }, |
88a13f30 BV |
98 | { 0x04b4, 0x5200, 0x04b5, 0x5200, |
99 | "Hantek", "DSO-5200", | |
034accb5 | 100 | buffersizes_14k, |
7b78b2f7 | 101 | FIRMWARE_DIR "/hantek-dso-5200.fw" }, |
88a13f30 BV |
102 | { 0x04b4, 0x520a, 0x04b5, 0x520a, |
103 | "Hantek", "DSO-5200A", | |
034accb5 | 104 | buffersizes_512k, |
7b78b2f7 | 105 | FIRMWARE_DIR "/hantek-dso-5200A.fw" }, |
034accb5 | 106 | { 0, 0, 0, 0, 0, 0, 0, 0 }, |
a370ef19 BV |
107 | }; |
108 | ||
86bb3f4a | 109 | static const uint64_t timebases[][2] = { |
a370ef19 BV |
110 | /* microseconds */ |
111 | { 10, 1000000 }, | |
112 | { 20, 1000000 }, | |
113 | { 40, 1000000 }, | |
114 | { 100, 1000000 }, | |
115 | { 200, 1000000 }, | |
116 | { 400, 1000000 }, | |
117 | /* milliseconds */ | |
118 | { 1, 1000 }, | |
119 | { 2, 1000 }, | |
120 | { 4, 1000 }, | |
121 | { 10, 1000 }, | |
122 | { 20, 1000 }, | |
123 | { 40, 1000 }, | |
124 | { 100, 1000 }, | |
125 | { 200, 1000 }, | |
126 | { 400, 1000 }, | |
a370ef19 BV |
127 | }; |
128 | ||
86bb3f4a | 129 | static const uint64_t vdivs[][2] = { |
313deed2 BV |
130 | /* millivolts */ |
131 | { 10, 1000 }, | |
132 | { 20, 1000 }, | |
133 | { 50, 1000 }, | |
134 | { 100, 1000 }, | |
135 | { 200, 1000 }, | |
136 | { 500, 1000 }, | |
137 | /* volts */ | |
138 | { 1, 1 }, | |
139 | { 2, 1 }, | |
140 | { 5, 1 }, | |
313deed2 BV |
141 | }; |
142 | ||
62bb8840 | 143 | static const char *trigger_sources[] = { |
a370ef19 BV |
144 | "CH1", |
145 | "CH2", | |
146 | "EXT", | |
88a13f30 | 147 | /* TODO: forced */ |
a370ef19 | 148 | }; |
3b533202 | 149 | |
933defaa BV |
150 | static const char *trigger_slopes[] = { |
151 | "r", | |
152 | "f", | |
ebb781a6 BV |
153 | }; |
154 | ||
62bb8840 | 155 | static const char *coupling[] = { |
b58fbd99 BV |
156 | "AC", |
157 | "DC", | |
158 | "GND", | |
b58fbd99 BV |
159 | }; |
160 | ||
982947f7 | 161 | SR_PRIV struct sr_dev_driver hantek_dso_driver_info; |
a873c594 | 162 | static struct sr_dev_driver *di = &hantek_dso_driver_info; |
e98b7f1b | 163 | |
6078d2c9 | 164 | static int dev_acquisition_stop(struct sr_dev_inst *sdi, void *cb_data); |
3b533202 | 165 | |
395206f4 | 166 | static struct sr_dev_inst *dso_dev_new(const struct dso_profile *prof) |
3b533202 BV |
167 | { |
168 | struct sr_dev_inst *sdi; | |
ba7dd8bb | 169 | struct sr_channel *ch; |
933defaa | 170 | struct sr_channel_group *cg; |
269971dd BV |
171 | struct drv_context *drvc; |
172 | struct dev_context *devc; | |
87ca93c5 | 173 | int i; |
3b533202 | 174 | |
aac29cc1 | 175 | sdi = g_malloc0(sizeof(struct sr_dev_inst)); |
0af636be UH |
176 | sdi->status = SR_ST_INITIALIZING; |
177 | sdi->vendor = g_strdup(prof->vendor); | |
178 | sdi->model = g_strdup(prof->model); | |
a873c594 | 179 | sdi->driver = di; |
3b533202 | 180 | |
e98b7f1b | 181 | /* |
ba7dd8bb | 182 | * Add only the real channels -- EXT isn't a source of data, only |
87ca93c5 BV |
183 | * a trigger source internal to the device. |
184 | */ | |
ba7dd8bb | 185 | for (i = 0; channel_names[i]; i++) { |
5e23fcab | 186 | ch = sr_channel_new(sdi, i, SR_CHANNEL_ANALOG, TRUE, channel_names[i]); |
933defaa BV |
187 | cg = g_malloc0(sizeof(struct sr_channel_group)); |
188 | cg->name = g_strdup(channel_names[i]); | |
189 | cg->channels = g_slist_append(cg->channels, ch); | |
190 | sdi->channel_groups = g_slist_append(sdi->channel_groups, cg); | |
87ca93c5 BV |
191 | } |
192 | ||
933defaa | 193 | devc = g_malloc0(sizeof(struct dev_context)); |
269971dd BV |
194 | devc->profile = prof; |
195 | devc->dev_state = IDLE; | |
196 | devc->timebase = DEFAULT_TIMEBASE; | |
197 | devc->ch1_enabled = TRUE; | |
198 | devc->ch2_enabled = TRUE; | |
933defaa BV |
199 | devc->voltage[0] = DEFAULT_VOLTAGE; |
200 | devc->voltage[1] = DEFAULT_VOLTAGE; | |
201 | devc->coupling[0] = DEFAULT_COUPLING; | |
202 | devc->coupling[1] = DEFAULT_COUPLING; | |
269971dd BV |
203 | devc->voffset_ch1 = DEFAULT_VERT_OFFSET; |
204 | devc->voffset_ch2 = DEFAULT_VERT_OFFSET; | |
205 | devc->voffset_trigger = DEFAULT_VERT_TRIGGERPOS; | |
206 | devc->framesize = DEFAULT_FRAMESIZE; | |
207 | devc->triggerslope = SLOPE_POSITIVE; | |
208 | devc->triggersource = g_strdup(DEFAULT_TRIGGER_SOURCE); | |
209 | devc->triggerposition = DEFAULT_HORIZ_TRIGGERPOS; | |
210 | sdi->priv = devc; | |
a873c594 | 211 | drvc = di->priv; |
269971dd | 212 | drvc->instances = g_slist_append(drvc->instances, sdi); |
3b533202 BV |
213 | |
214 | return sdi; | |
215 | } | |
216 | ||
ba7dd8bb | 217 | static int configure_channels(const struct sr_dev_inst *sdi) |
3b533202 | 218 | { |
014359e3 | 219 | struct dev_context *devc; |
ba7dd8bb | 220 | struct sr_channel *ch; |
62bb8840 | 221 | const GSList *l; |
69e19dd7 | 222 | int p; |
3b533202 | 223 | |
014359e3 BV |
224 | devc = sdi->priv; |
225 | ||
ba7dd8bb | 226 | g_slist_free(devc->enabled_channels); |
269971dd | 227 | devc->ch1_enabled = devc->ch2_enabled = FALSE; |
ba7dd8bb UH |
228 | for (l = sdi->channels, p = 0; l; l = l->next, p++) { |
229 | ch = l->data; | |
69e19dd7 | 230 | if (p == 0) |
ba7dd8bb | 231 | devc->ch1_enabled = ch->enabled; |
69e19dd7 | 232 | else |
ba7dd8bb UH |
233 | devc->ch2_enabled = ch->enabled; |
234 | if (ch->enabled) | |
235 | devc->enabled_channels = g_slist_append(devc->enabled_channels, ch); | |
3b533202 BV |
236 | } |
237 | ||
238 | return SR_OK; | |
239 | } | |
240 | ||
949b3dc0 | 241 | static void clear_dev_context(void *priv) |
39cfdd75 | 242 | { |
269971dd | 243 | struct dev_context *devc; |
39cfdd75 | 244 | |
949b3dc0 BV |
245 | devc = priv; |
246 | g_free(devc->triggersource); | |
ba7dd8bb | 247 | g_slist_free(devc->enabled_channels); |
39cfdd75 | 248 | |
949b3dc0 | 249 | } |
39cfdd75 | 250 | |
3b412e3a | 251 | static int dev_clear(void) |
949b3dc0 BV |
252 | { |
253 | return std_dev_clear(di, clear_dev_context); | |
39cfdd75 BV |
254 | } |
255 | ||
6078d2c9 | 256 | static int init(struct sr_context *sr_ctx) |
61136ea6 | 257 | { |
f6beaac5 | 258 | return std_init(sr_ctx, di, LOG_PREFIX); |
61136ea6 BV |
259 | } |
260 | ||
6078d2c9 | 261 | static GSList *scan(GSList *options) |
3b533202 | 262 | { |
269971dd BV |
263 | struct drv_context *drvc; |
264 | struct dev_context *devc; | |
294dbac7 | 265 | struct sr_dev_inst *sdi; |
46a743c1 BV |
266 | struct sr_usb_dev_inst *usb; |
267 | struct sr_config *src; | |
294dbac7 BV |
268 | const struct dso_profile *prof; |
269 | GSList *l, *devices, *conn_devices; | |
39cfdd75 | 270 | struct libusb_device_descriptor des; |
3b533202 | 271 | libusb_device **devlist; |
395206f4 | 272 | int ret, i, j; |
46a743c1 | 273 | const char *conn; |
395206f4 | 274 | char connection_id[64]; |
e98b7f1b | 275 | |
a873c594 | 276 | drvc = di->priv; |
39cfdd75 | 277 | |
4b97c74e UH |
278 | devices = 0; |
279 | ||
294dbac7 BV |
280 | conn = NULL; |
281 | for (l = options; l; l = l->next) { | |
282 | src = l->data; | |
283 | if (src->key == SR_CONF_CONN) { | |
284 | conn = g_variant_get_string(src->data, NULL); | |
285 | break; | |
286 | } | |
287 | } | |
288 | if (conn) | |
289 | conn_devices = sr_usb_find(drvc->sr_ctx->libusb_ctx, conn); | |
290 | else | |
291 | conn_devices = NULL; | |
292 | ||
39cfdd75 | 293 | /* Find all Hantek DSO devices and upload firmware to all of them. */ |
d4abb463 | 294 | libusb_get_device_list(drvc->sr_ctx->libusb_ctx, &devlist); |
3b533202 | 295 | for (i = 0; devlist[i]; i++) { |
46a743c1 | 296 | if (conn) { |
294dbac7 BV |
297 | usb = NULL; |
298 | for (l = conn_devices; l; l = l->next) { | |
299 | usb = l->data; | |
300 | if (usb->bus == libusb_get_bus_number(devlist[i]) | |
301 | && usb->address == libusb_get_device_address(devlist[i])) | |
302 | break; | |
303 | } | |
304 | if (!l) | |
305 | /* This device matched none of the ones that | |
306 | * matched the conn specification. */ | |
307 | continue; | |
46a743c1 | 308 | } |
294dbac7 | 309 | |
61136ea6 | 310 | if ((ret = libusb_get_device_descriptor(devlist[i], &des))) { |
d4928d71 | 311 | sr_err("Failed to get device descriptor: %s.", |
46a743c1 | 312 | libusb_error_name(ret)); |
3b533202 BV |
313 | continue; |
314 | } | |
315 | ||
395206f4 SA |
316 | usb_get_port_path(devlist[i], connection_id, sizeof(connection_id)); |
317 | ||
3b533202 BV |
318 | prof = NULL; |
319 | for (j = 0; dev_profiles[j].orig_vid; j++) { | |
320 | if (des.idVendor == dev_profiles[j].orig_vid | |
321 | && des.idProduct == dev_profiles[j].orig_pid) { | |
322 | /* Device matches the pre-firmware profile. */ | |
323 | prof = &dev_profiles[j]; | |
e98b7f1b | 324 | sr_dbg("Found a %s %s.", prof->vendor, prof->model); |
395206f4 SA |
325 | sdi = dso_dev_new(prof); |
326 | sdi->connection_id = g_strdup(connection_id); | |
39cfdd75 | 327 | devices = g_slist_append(devices, sdi); |
269971dd | 328 | devc = sdi->priv; |
3b533202 BV |
329 | if (ezusb_upload_firmware(devlist[i], USB_CONFIGURATION, |
330 | prof->firmware) == SR_OK) | |
331 | /* Remember when the firmware on this device was updated */ | |
269971dd | 332 | devc->fw_updated = g_get_monotonic_time(); |
3b533202 | 333 | else |
395206f4 | 334 | sr_err("Firmware upload failed"); |
3b533202 | 335 | /* Dummy USB address of 0xff will get overwritten later. */ |
c118080b | 336 | sdi->conn = sr_usb_dev_inst_new( |
3b533202 | 337 | libusb_get_bus_number(devlist[i]), 0xff, NULL); |
3b533202 BV |
338 | break; |
339 | } else if (des.idVendor == dev_profiles[j].fw_vid | |
340 | && des.idProduct == dev_profiles[j].fw_pid) { | |
341 | /* Device matches the post-firmware profile. */ | |
342 | prof = &dev_profiles[j]; | |
e98b7f1b | 343 | sr_dbg("Found a %s %s.", prof->vendor, prof->model); |
395206f4 SA |
344 | sdi = dso_dev_new(prof); |
345 | sdi->connection_id = g_strdup(connection_id); | |
3b533202 | 346 | sdi->status = SR_ST_INACTIVE; |
39cfdd75 | 347 | devices = g_slist_append(devices, sdi); |
d0eec1ee | 348 | sdi->inst_type = SR_INST_USB; |
c118080b | 349 | sdi->conn = sr_usb_dev_inst_new( |
3b533202 BV |
350 | libusb_get_bus_number(devlist[i]), |
351 | libusb_get_device_address(devlist[i]), NULL); | |
3b533202 BV |
352 | break; |
353 | } | |
354 | } | |
355 | if (!prof) | |
356 | /* not a supported VID/PID */ | |
357 | continue; | |
358 | } | |
359 | libusb_free_device_list(devlist, 1); | |
360 | ||
39cfdd75 | 361 | return devices; |
3b533202 BV |
362 | } |
363 | ||
6078d2c9 | 364 | static GSList *dev_list(void) |
811deee4 | 365 | { |
0e94d524 | 366 | return ((struct drv_context *)(di->priv))->instances; |
811deee4 BV |
367 | } |
368 | ||
6078d2c9 | 369 | static int dev_open(struct sr_dev_inst *sdi) |
3b533202 | 370 | { |
269971dd | 371 | struct dev_context *devc; |
c118080b | 372 | struct sr_usb_dev_inst *usb; |
fc8fe3e3 BV |
373 | int64_t timediff_us, timediff_ms; |
374 | int err; | |
3b533202 | 375 | |
269971dd | 376 | devc = sdi->priv; |
c118080b | 377 | usb = sdi->conn; |
3b533202 BV |
378 | |
379 | /* | |
e98b7f1b UH |
380 | * If the firmware was recently uploaded, wait up to MAX_RENUM_DELAY_MS |
381 | * for the FX2 to renumerate. | |
3b533202 | 382 | */ |
fc8fe3e3 | 383 | err = SR_ERR; |
269971dd | 384 | if (devc->fw_updated > 0) { |
e98b7f1b UH |
385 | sr_info("Waiting for device to reset."); |
386 | /* Takes >= 300ms for the FX2 to be gone from the USB bus. */ | |
3b533202 | 387 | g_usleep(300 * 1000); |
fc8fe3e3 BV |
388 | timediff_ms = 0; |
389 | while (timediff_ms < MAX_RENUM_DELAY_MS) { | |
25a0f108 | 390 | if ((err = dso_open(sdi)) == SR_OK) |
3b533202 BV |
391 | break; |
392 | g_usleep(100 * 1000); | |
269971dd | 393 | timediff_us = g_get_monotonic_time() - devc->fw_updated; |
fc8fe3e3 | 394 | timediff_ms = timediff_us / 1000; |
e98b7f1b | 395 | sr_spew("Waited %" PRIi64 " ms.", timediff_ms); |
3b533202 | 396 | } |
e98b7f1b | 397 | sr_info("Device came back after %d ms.", timediff_ms); |
3b533202 | 398 | } else { |
25a0f108 | 399 | err = dso_open(sdi); |
3b533202 BV |
400 | } |
401 | ||
402 | if (err != SR_OK) { | |
e98b7f1b | 403 | sr_err("Unable to open device."); |
3b533202 BV |
404 | return SR_ERR; |
405 | } | |
406 | ||
c118080b | 407 | err = libusb_claim_interface(usb->devhdl, USB_INTERFACE); |
3b533202 | 408 | if (err != 0) { |
d4928d71 | 409 | sr_err("Unable to claim interface: %s.", |
46a743c1 | 410 | libusb_error_name(err)); |
3b533202 BV |
411 | return SR_ERR; |
412 | } | |
413 | ||
414 | return SR_OK; | |
415 | } | |
416 | ||
6078d2c9 | 417 | static int dev_close(struct sr_dev_inst *sdi) |
3b533202 | 418 | { |
3b533202 BV |
419 | dso_close(sdi); |
420 | ||
421 | return SR_OK; | |
422 | } | |
423 | ||
6078d2c9 | 424 | static int cleanup(void) |
3b533202 | 425 | { |
3b412e3a | 426 | return dev_clear(); |
3b533202 BV |
427 | } |
428 | ||
584560f1 | 429 | static int config_get(uint32_t key, GVariant **data, const struct sr_dev_inst *sdi, |
53b4680f | 430 | const struct sr_channel_group *cg) |
79917848 | 431 | { |
933defaa | 432 | struct dev_context *devc; |
624f5b4c | 433 | struct sr_usb_dev_inst *usb; |
933defaa BV |
434 | char str[128], *s; |
435 | const uint64_t *vdiv; | |
436 | int ch_idx; | |
79917848 | 437 | |
53b4680f | 438 | (void)cg; |
8f996b89 | 439 | |
584560f1 | 440 | switch (key) { |
bf622e6d | 441 | case SR_CONF_NUM_HDIV: |
79917848 BV |
442 | *data = g_variant_new_int32(NUM_TIMEBASE); |
443 | break; | |
444 | case SR_CONF_NUM_VDIV: | |
445 | *data = g_variant_new_int32(NUM_VDIV); | |
446 | break; | |
933defaa BV |
447 | } |
448 | ||
449 | if (!sdi) | |
450 | return SR_ERR_ARG; | |
451 | ||
452 | devc = sdi->priv; | |
453 | if (!cg) { | |
454 | switch (key) { | |
455 | case SR_CONF_CONN: | |
456 | if (!sdi->conn) | |
457 | return SR_ERR_ARG; | |
458 | usb = sdi->conn; | |
459 | if (usb->address == 255) | |
460 | /* Device still needs to re-enumerate after firmware | |
461 | * upload, so we don't know its (future) address. */ | |
462 | return SR_ERR; | |
463 | snprintf(str, 128, "%d.%d", usb->bus, usb->address); | |
464 | *data = g_variant_new_string(str); | |
465 | break; | |
466 | case SR_CONF_TIMEBASE: | |
467 | *data = g_variant_new("(tt)", timebases[devc->timebase][0], | |
468 | timebases[devc->timebase][1]); | |
469 | break; | |
470 | case SR_CONF_BUFFERSIZE: | |
471 | *data = g_variant_new_uint64(devc->framesize); | |
472 | break; | |
473 | case SR_CONF_TRIGGER_SOURCE: | |
474 | *data = g_variant_new_string(devc->triggersource); | |
475 | break; | |
476 | case SR_CONF_TRIGGER_SLOPE: | |
477 | if (devc->triggerslope == SLOPE_POSITIVE) | |
478 | s = "r"; | |
479 | else | |
480 | s = "f"; | |
481 | *data = g_variant_new_string(s); | |
482 | break; | |
483 | case SR_CONF_HORIZ_TRIGGERPOS: | |
484 | *data = g_variant_new_double(devc->triggerposition); | |
485 | break; | |
486 | default: | |
487 | return SR_ERR_NA; | |
488 | } | |
489 | } else { | |
490 | if (sdi->channel_groups->data == cg) | |
491 | ch_idx = 0; | |
492 | else if (sdi->channel_groups->next->data == cg) | |
493 | ch_idx = 1; | |
494 | else | |
495 | return SR_ERR_ARG; | |
496 | switch(key) { | |
497 | case SR_CONF_FILTER: | |
498 | *data = g_variant_new_boolean(devc->filter[ch_idx]); | |
499 | break; | |
500 | case SR_CONF_VDIV: | |
501 | vdiv = vdivs[devc->voltage[ch_idx]]; | |
502 | *data = g_variant_new("(tt)", vdiv[0], vdiv[1]); | |
503 | break; | |
504 | case SR_CONF_COUPLING: | |
505 | *data = g_variant_new_string(coupling[devc->coupling[ch_idx]]); | |
506 | break; | |
507 | } | |
79917848 BV |
508 | } |
509 | ||
510 | return SR_OK; | |
511 | } | |
512 | ||
584560f1 | 513 | static int config_set(uint32_t key, GVariant *data, const struct sr_dev_inst *sdi, |
53b4680f | 514 | const struct sr_channel_group *cg) |
3b533202 | 515 | { |
269971dd | 516 | struct dev_context *devc; |
f627afd6 | 517 | double tmp_double; |
86bb3f4a | 518 | uint64_t tmp_u64, p, q; |
933defaa | 519 | int tmp_int, ch_idx, ret; |
f627afd6 BV |
520 | unsigned int i; |
521 | const char *tmp_str; | |
8f996b89 | 522 | |
3b533202 | 523 | if (sdi->status != SR_ST_ACTIVE) |
e73ffd42 | 524 | return SR_ERR_DEV_CLOSED; |
3b533202 | 525 | |
a370ef19 | 526 | ret = SR_OK; |
269971dd | 527 | devc = sdi->priv; |
933defaa BV |
528 | if (!cg) { |
529 | switch (key) { | |
530 | case SR_CONF_LIMIT_FRAMES: | |
531 | devc->limit_frames = g_variant_get_uint64(data); | |
532 | break; | |
533 | case SR_CONF_TRIGGER_SLOPE: | |
534 | tmp_str = g_variant_get_string(data, NULL); | |
535 | if (!tmp_str || !(tmp_str[0] == 'f' || tmp_str[0] == 'r')) | |
536 | return SR_ERR_ARG; | |
537 | devc->triggerslope = (tmp_str[0] == 'r') | |
538 | ? SLOPE_POSITIVE : SLOPE_NEGATIVE; | |
539 | break; | |
540 | case SR_CONF_HORIZ_TRIGGERPOS: | |
541 | tmp_double = g_variant_get_double(data); | |
542 | if (tmp_double < 0.0 || tmp_double > 1.0) { | |
543 | sr_err("Trigger position should be between 0.0 and 1.0."); | |
544 | ret = SR_ERR_ARG; | |
545 | } else | |
546 | devc->triggerposition = tmp_double; | |
547 | break; | |
548 | case SR_CONF_BUFFERSIZE: | |
549 | tmp_u64 = g_variant_get_uint64(data); | |
550 | for (i = 0; i < 2; i++) { | |
551 | if (devc->profile->buffersizes[i] == tmp_u64) { | |
552 | devc->framesize = tmp_u64; | |
553 | break; | |
554 | } | |
a370ef19 | 555 | } |
933defaa BV |
556 | if (i == 2) |
557 | ret = SR_ERR_ARG; | |
558 | break; | |
559 | case SR_CONF_TIMEBASE: | |
560 | g_variant_get(data, "(tt)", &p, &q); | |
561 | tmp_int = -1; | |
562 | for (i = 0; i < ARRAY_SIZE(timebases); i++) { | |
563 | if (timebases[i][0] == p && timebases[i][1] == q) { | |
564 | tmp_int = i; | |
565 | break; | |
566 | } | |
a370ef19 | 567 | } |
933defaa BV |
568 | if (tmp_int >= 0) |
569 | devc->timebase = tmp_int; | |
570 | else | |
ebb781a6 | 571 | ret = SR_ERR_ARG; |
933defaa BV |
572 | break; |
573 | case SR_CONF_TRIGGER_SOURCE: | |
574 | tmp_str = g_variant_get_string(data, NULL); | |
575 | for (i = 0; trigger_sources[i]; i++) { | |
576 | if (!strcmp(tmp_str, trigger_sources[i])) { | |
577 | devc->triggersource = g_strdup(tmp_str); | |
578 | break; | |
579 | } | |
ebb781a6 | 580 | } |
933defaa BV |
581 | if (trigger_sources[i] == 0) |
582 | ret = SR_ERR_ARG; | |
583 | break; | |
584 | default: | |
585 | ret = SR_ERR_NA; | |
586 | break; | |
ebb781a6 | 587 | } |
933defaa BV |
588 | } else { |
589 | if (sdi->channel_groups->data == cg) | |
590 | ch_idx = 0; | |
591 | else if (sdi->channel_groups->next->data == cg) | |
592 | ch_idx = 1; | |
593 | else | |
594 | return SR_ERR_ARG; | |
595 | switch (key) { | |
596 | case SR_CONF_FILTER: | |
597 | devc->filter[ch_idx] = g_variant_get_boolean(data); | |
598 | break; | |
599 | case SR_CONF_VDIV: | |
600 | g_variant_get(data, "(tt)", &p, &q); | |
601 | tmp_int = -1; | |
602 | for (i = 0; i < ARRAY_SIZE(vdivs); i++) { | |
603 | if (vdivs[i][0] == p && vdivs[i][1] == q) { | |
604 | tmp_int = i; | |
605 | break; | |
606 | } | |
313deed2 | 607 | } |
933defaa BV |
608 | if (tmp_int >= 0) { |
609 | devc->voltage[ch_idx] = tmp_int; | |
610 | } else | |
611 | ret = SR_ERR_ARG; | |
612 | break; | |
613 | case SR_CONF_COUPLING: | |
614 | tmp_str = g_variant_get_string(data, NULL); | |
615 | for (i = 0; coupling[i]; i++) { | |
616 | if (!strcmp(tmp_str, coupling[i])) { | |
617 | devc->coupling[ch_idx] = i; | |
618 | break; | |
619 | } | |
b58fbd99 | 620 | } |
933defaa BV |
621 | if (coupling[i] == 0) |
622 | ret = SR_ERR_ARG; | |
623 | break; | |
624 | default: | |
625 | ret = SR_ERR_NA; | |
626 | break; | |
b58fbd99 | 627 | } |
3b533202 BV |
628 | } |
629 | ||
630 | return ret; | |
631 | } | |
632 | ||
584560f1 | 633 | static int config_list(uint32_t key, GVariant **data, const struct sr_dev_inst *sdi, |
53b4680f | 634 | const struct sr_channel_group *cg) |
a1c743fc | 635 | { |
034accb5 | 636 | struct dev_context *devc; |
3973ee26 BV |
637 | GVariant *tuple, *rational[2]; |
638 | GVariantBuilder gvb; | |
639 | unsigned int i; | |
a1c743fc | 640 | |
933defaa | 641 | if (key == SR_CONF_SCAN_OPTIONS) { |
584560f1 BV |
642 | *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32, |
643 | scanopts, ARRAY_SIZE(scanopts), sizeof(uint32_t)); | |
933defaa BV |
644 | return SR_OK; |
645 | } else if (key == SR_CONF_DEVICE_OPTIONS && !sdi) { | |
584560f1 | 646 | *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32, |
5ecd9049 | 647 | drvopts, ARRAY_SIZE(drvopts), sizeof(uint32_t)); |
933defaa BV |
648 | return SR_OK; |
649 | } | |
650 | ||
651 | if (!sdi) | |
652 | return SR_ERR_ARG; | |
653 | ||
654 | if (!cg) { | |
655 | switch (key) { | |
656 | case SR_CONF_DEVICE_OPTIONS: | |
657 | *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32, | |
5ecd9049 | 658 | devopts, ARRAY_SIZE(devopts), sizeof(uint32_t)); |
933defaa BV |
659 | break; |
660 | case SR_CONF_BUFFERSIZE: | |
661 | if (!sdi) | |
662 | return SR_ERR_ARG; | |
663 | devc = sdi->priv; | |
664 | *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT64, | |
665 | devc->profile->buffersizes, 2, sizeof(uint64_t)); | |
666 | break; | |
667 | case SR_CONF_TIMEBASE: | |
668 | g_variant_builder_init(&gvb, G_VARIANT_TYPE_ARRAY); | |
669 | for (i = 0; i < ARRAY_SIZE(timebases); i++) { | |
670 | rational[0] = g_variant_new_uint64(timebases[i][0]); | |
671 | rational[1] = g_variant_new_uint64(timebases[i][1]); | |
672 | tuple = g_variant_new_tuple(rational, 2); | |
673 | g_variant_builder_add_value(&gvb, tuple); | |
674 | } | |
675 | *data = g_variant_builder_end(&gvb); | |
676 | break; | |
677 | case SR_CONF_TRIGGER_SOURCE: | |
678 | *data = g_variant_new_strv(trigger_sources, | |
679 | ARRAY_SIZE(trigger_sources)); | |
680 | break; | |
681 | case SR_CONF_TRIGGER_SLOPE: | |
682 | *data = g_variant_new_strv(trigger_slopes, | |
683 | ARRAY_SIZE(trigger_slopes)); | |
684 | break; | |
685 | default: | |
686 | return SR_ERR_NA; | |
3973ee26 | 687 | } |
933defaa BV |
688 | } else { |
689 | switch (key) { | |
690 | case SR_CONF_DEVICE_OPTIONS: | |
691 | *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32, | |
692 | devopts_cg, ARRAY_SIZE(devopts_cg), sizeof(uint32_t)); | |
693 | break; | |
694 | case SR_CONF_COUPLING: | |
695 | *data = g_variant_new_strv(coupling, ARRAY_SIZE(coupling)); | |
696 | break; | |
697 | case SR_CONF_VDIV: | |
698 | g_variant_builder_init(&gvb, G_VARIANT_TYPE_ARRAY); | |
699 | for (i = 0; i < ARRAY_SIZE(vdivs); i++) { | |
700 | rational[0] = g_variant_new_uint64(vdivs[i][0]); | |
701 | rational[1] = g_variant_new_uint64(vdivs[i][1]); | |
702 | tuple = g_variant_new_tuple(rational, 2); | |
703 | g_variant_builder_add_value(&gvb, tuple); | |
704 | } | |
705 | *data = g_variant_builder_end(&gvb); | |
706 | break; | |
707 | default: | |
708 | return SR_ERR_NA; | |
3973ee26 | 709 | } |
a1c743fc BV |
710 | } |
711 | ||
712 | return SR_OK; | |
713 | } | |
714 | ||
69e19dd7 | 715 | static void send_chunk(struct sr_dev_inst *sdi, unsigned char *buf, |
e749a8cb | 716 | int num_samples) |
3b533202 BV |
717 | { |
718 | struct sr_datafeed_packet packet; | |
719 | struct sr_datafeed_analog analog; | |
69e19dd7 | 720 | struct dev_context *devc; |
c5841b28 | 721 | float ch1, ch2, range; |
ba7dd8bb | 722 | int num_channels, data_offset, i; |
3b533202 | 723 | |
69e19dd7 | 724 | devc = sdi->priv; |
ba7dd8bb | 725 | num_channels = (devc->ch1_enabled && devc->ch2_enabled) ? 2 : 1; |
3b533202 BV |
726 | packet.type = SR_DF_ANALOG; |
727 | packet.payload = &analog; | |
6e71ef3b | 728 | /* TODO: support for 5xxx series 9-bit samples */ |
ba7dd8bb | 729 | analog.channels = devc->enabled_channels; |
e749a8cb | 730 | analog.num_samples = num_samples; |
9956f285 UH |
731 | analog.mq = SR_MQ_VOLTAGE; |
732 | analog.unit = SR_UNIT_VOLT; | |
cf49d66b | 733 | analog.mqflags = 0; |
886a52b6 | 734 | /* TODO: Check malloc return value. */ |
ba7dd8bb | 735 | analog.data = g_try_malloc(analog.num_samples * sizeof(float) * num_channels); |
6e71ef3b | 736 | data_offset = 0; |
3b533202 | 737 | for (i = 0; i < analog.num_samples; i++) { |
e98b7f1b UH |
738 | /* |
739 | * The device always sends data for both channels. If a channel | |
6e71ef3b | 740 | * is disabled, it contains a copy of the enabled channel's |
e98b7f1b UH |
741 | * data. However, we only send the requested channels to |
742 | * the bus. | |
c5841b28 | 743 | * |
e98b7f1b UH |
744 | * Voltage values are encoded as a value 0-255 (0-512 on the |
745 | * DSO-5200*), where the value is a point in the range | |
746 | * represented by the vdiv setting. There are 8 vertical divs, | |
747 | * so e.g. 500mV/div represents 4V peak-to-peak where 0 = -2V | |
748 | * and 255 = +2V. | |
6e71ef3b | 749 | */ |
e98b7f1b | 750 | /* TODO: Support for DSO-5xxx series 9-bit samples. */ |
269971dd | 751 | if (devc->ch1_enabled) { |
933defaa | 752 | range = ((float)vdivs[devc->voltage[0]][0] / vdivs[devc->voltage[0]][1]) * 8; |
e749a8cb | 753 | ch1 = range / 255 * *(buf + i * 2 + 1); |
c5841b28 BV |
754 | /* Value is centered around 0V. */ |
755 | ch1 -= range / 2; | |
6e71ef3b BV |
756 | analog.data[data_offset++] = ch1; |
757 | } | |
269971dd | 758 | if (devc->ch2_enabled) { |
933defaa | 759 | range = ((float)vdivs[devc->voltage[1]][0] / vdivs[devc->voltage[1]][1]) * 8; |
e749a8cb | 760 | ch2 = range / 255 * *(buf + i * 2); |
c5841b28 | 761 | ch2 -= range / 2; |
6e71ef3b BV |
762 | analog.data[data_offset++] = ch2; |
763 | } | |
3b533202 | 764 | } |
269971dd | 765 | sr_session_send(devc->cb_data, &packet); |
e749a8cb BV |
766 | } |
767 | ||
e98b7f1b UH |
768 | /* |
769 | * Called by libusb (as triggered by handle_event()) when a transfer comes in. | |
e749a8cb | 770 | * Only channel data comes in asynchronously, and all transfers for this are |
e98b7f1b | 771 | * queued up beforehand, so this just needs to chuck the incoming data onto |
e749a8cb BV |
772 | * the libsigrok session bus. |
773 | */ | |
774 | static void receive_transfer(struct libusb_transfer *transfer) | |
775 | { | |
776 | struct sr_datafeed_packet packet; | |
69e19dd7 | 777 | struct sr_dev_inst *sdi; |
269971dd | 778 | struct dev_context *devc; |
e749a8cb BV |
779 | int num_samples, pre; |
780 | ||
69e19dd7 BV |
781 | sdi = transfer->user_data; |
782 | devc = sdi->priv; | |
d4007311 | 783 | sr_spew("receive_transfer(): status %d received %d bytes.", |
46a743c1 | 784 | transfer->status, transfer->actual_length); |
e749a8cb BV |
785 | |
786 | if (transfer->actual_length == 0) | |
787 | /* Nothing to send to the bus. */ | |
788 | return; | |
789 | ||
790 | num_samples = transfer->actual_length / 2; | |
791 | ||
d4007311 | 792 | sr_spew("Got %d-%d/%d samples in frame.", devc->samp_received + 1, |
46a743c1 | 793 | devc->samp_received + num_samples, devc->framesize); |
e749a8cb | 794 | |
e98b7f1b UH |
795 | /* |
796 | * The device always sends a full frame, but the beginning of the frame | |
e749a8cb BV |
797 | * doesn't represent the trigger point. The offset at which the trigger |
798 | * happened came in with the capture state, so we need to start sending | |
e98b7f1b UH |
799 | * from there up the session bus. The samples in the frame buffer |
800 | * before that trigger point came after the end of the device's frame | |
801 | * buffer was reached, and it wrapped around to overwrite up until the | |
802 | * trigger point. | |
e749a8cb | 803 | */ |
269971dd | 804 | if (devc->samp_received < devc->trigger_offset) { |
e749a8cb | 805 | /* Trigger point not yet reached. */ |
269971dd | 806 | if (devc->samp_received + num_samples < devc->trigger_offset) { |
e749a8cb | 807 | /* The entire chunk is before the trigger point. */ |
269971dd | 808 | memcpy(devc->framebuf + devc->samp_buffered * 2, |
e749a8cb | 809 | transfer->buffer, num_samples * 2); |
269971dd | 810 | devc->samp_buffered += num_samples; |
e749a8cb | 811 | } else { |
e98b7f1b UH |
812 | /* |
813 | * This chunk hits or overruns the trigger point. | |
e749a8cb | 814 | * Store the part before the trigger fired, and |
e98b7f1b UH |
815 | * send the rest up to the session bus. |
816 | */ | |
269971dd BV |
817 | pre = devc->trigger_offset - devc->samp_received; |
818 | memcpy(devc->framebuf + devc->samp_buffered * 2, | |
e749a8cb | 819 | transfer->buffer, pre * 2); |
269971dd | 820 | devc->samp_buffered += pre; |
e749a8cb BV |
821 | |
822 | /* The rest of this chunk starts with the trigger point. */ | |
e98b7f1b | 823 | sr_dbg("Reached trigger point, %d samples buffered.", |
46a743c1 | 824 | devc->samp_buffered); |
e749a8cb BV |
825 | |
826 | /* Avoid the corner case where the chunk ended at | |
827 | * exactly the trigger point. */ | |
828 | if (num_samples > pre) | |
69e19dd7 | 829 | send_chunk(sdi, transfer->buffer + pre * 2, |
e749a8cb BV |
830 | num_samples - pre); |
831 | } | |
832 | } else { | |
833 | /* Already past the trigger point, just send it all out. */ | |
69e19dd7 | 834 | send_chunk(sdi, transfer->buffer, |
e749a8cb BV |
835 | num_samples); |
836 | } | |
837 | ||
269971dd | 838 | devc->samp_received += num_samples; |
e749a8cb BV |
839 | |
840 | /* Everything in this transfer was either copied to the buffer or | |
841 | * sent to the session bus. */ | |
3b533202 BV |
842 | g_free(transfer->buffer); |
843 | libusb_free_transfer(transfer); | |
3b533202 | 844 | |
269971dd | 845 | if (devc->samp_received >= devc->framesize) { |
e749a8cb BV |
846 | /* That was the last chunk in this frame. Send the buffered |
847 | * pre-trigger samples out now, in one big chunk. */ | |
e98b7f1b | 848 | sr_dbg("End of frame, sending %d pre-trigger buffered samples.", |
46a743c1 | 849 | devc->samp_buffered); |
69e19dd7 | 850 | send_chunk(sdi, devc->framebuf, devc->samp_buffered); |
e749a8cb BV |
851 | |
852 | /* Mark the end of this frame. */ | |
ae88b97b | 853 | packet.type = SR_DF_FRAME_END; |
269971dd | 854 | sr_session_send(devc->cb_data, &packet); |
ae88b97b | 855 | |
269971dd | 856 | if (devc->limit_frames && ++devc->num_frames == devc->limit_frames) { |
ae88b97b | 857 | /* Terminate session */ |
a3508e33 | 858 | devc->dev_state = STOPPING; |
ae88b97b | 859 | } else { |
269971dd | 860 | devc->dev_state = NEW_CAPTURE; |
ae88b97b BV |
861 | } |
862 | } | |
3b533202 BV |
863 | } |
864 | ||
865 | static int handle_event(int fd, int revents, void *cb_data) | |
866 | { | |
a3508e33 | 867 | const struct sr_dev_inst *sdi; |
ae88b97b | 868 | struct sr_datafeed_packet packet; |
3b533202 | 869 | struct timeval tv; |
269971dd | 870 | struct dev_context *devc; |
a873c594 | 871 | struct drv_context *drvc = di->priv; |
ba7dd8bb | 872 | int num_channels; |
6e6eeff4 BV |
873 | uint32_t trigger_offset; |
874 | uint8_t capturestate; | |
3b533202 | 875 | |
3b533202 BV |
876 | (void)fd; |
877 | (void)revents; | |
878 | ||
269971dd BV |
879 | sdi = cb_data; |
880 | devc = sdi->priv; | |
a3508e33 BV |
881 | if (devc->dev_state == STOPPING) { |
882 | /* We've been told to wind up the acquisition. */ | |
e98b7f1b UH |
883 | sr_dbg("Stopping acquisition."); |
884 | /* | |
885 | * TODO: Doesn't really cancel pending transfers so they might | |
886 | * come in after SR_DF_END is sent. | |
887 | */ | |
102f1239 | 888 | usb_source_remove(sdi->session, drvc->sr_ctx); |
a3508e33 BV |
889 | |
890 | packet.type = SR_DF_END; | |
891 | sr_session_send(sdi, &packet); | |
892 | ||
893 | devc->dev_state = IDLE; | |
894 | ||
895 | return TRUE; | |
896 | } | |
897 | ||
3b533202 BV |
898 | /* Always handle pending libusb events. */ |
899 | tv.tv_sec = tv.tv_usec = 0; | |
d4abb463 | 900 | libusb_handle_events_timeout(drvc->sr_ctx->libusb_ctx, &tv); |
3b533202 | 901 | |
3b533202 | 902 | /* TODO: ugh */ |
269971dd | 903 | if (devc->dev_state == NEW_CAPTURE) { |
c118080b | 904 | if (dso_capture_start(sdi) != SR_OK) |
3b533202 | 905 | return TRUE; |
c118080b | 906 | if (dso_enable_trigger(sdi) != SR_OK) |
3b533202 | 907 | return TRUE; |
c118080b | 908 | // if (dso_force_trigger(sdi) != SR_OK) |
a370ef19 | 909 | // return TRUE; |
e98b7f1b | 910 | sr_dbg("Successfully requested next chunk."); |
269971dd | 911 | devc->dev_state = CAPTURE; |
3b533202 BV |
912 | return TRUE; |
913 | } | |
269971dd | 914 | if (devc->dev_state != CAPTURE) |
3b533202 BV |
915 | return TRUE; |
916 | ||
c118080b | 917 | if ((dso_get_capturestate(sdi, &capturestate, &trigger_offset)) != SR_OK) |
3b533202 | 918 | return TRUE; |
3b533202 | 919 | |
e98b7f1b UH |
920 | sr_dbg("Capturestate %d.", capturestate); |
921 | sr_dbg("Trigger offset 0x%.6x.", trigger_offset); | |
3b533202 BV |
922 | switch (capturestate) { |
923 | case CAPTURE_EMPTY: | |
269971dd BV |
924 | if (++devc->capture_empty_count >= MAX_CAPTURE_EMPTY) { |
925 | devc->capture_empty_count = 0; | |
c118080b | 926 | if (dso_capture_start(sdi) != SR_OK) |
3b533202 | 927 | break; |
c118080b | 928 | if (dso_enable_trigger(sdi) != SR_OK) |
3b533202 | 929 | break; |
c118080b | 930 | // if (dso_force_trigger(sdi) != SR_OK) |
a370ef19 | 931 | // break; |
e98b7f1b | 932 | sr_dbg("Successfully requested next chunk."); |
3b533202 BV |
933 | } |
934 | break; | |
935 | case CAPTURE_FILLING: | |
e98b7f1b | 936 | /* No data yet. */ |
3b533202 BV |
937 | break; |
938 | case CAPTURE_READY_8BIT: | |
e749a8cb | 939 | /* Remember where in the captured frame the trigger is. */ |
269971dd | 940 | devc->trigger_offset = trigger_offset; |
e749a8cb | 941 | |
ba7dd8bb | 942 | num_channels = (devc->ch1_enabled && devc->ch2_enabled) ? 2 : 1; |
886a52b6 | 943 | /* TODO: Check malloc return value. */ |
ba7dd8bb | 944 | devc->framebuf = g_try_malloc(devc->framesize * num_channels * 2); |
269971dd | 945 | devc->samp_buffered = devc->samp_received = 0; |
e749a8cb | 946 | |
3b533202 | 947 | /* Tell the scope to send us the first frame. */ |
69e19dd7 | 948 | if (dso_get_channeldata(sdi, receive_transfer) != SR_OK) |
3b533202 | 949 | break; |
ae88b97b | 950 | |
e98b7f1b UH |
951 | /* |
952 | * Don't hit the state machine again until we're done fetching | |
ae88b97b BV |
953 | * the data we just told the scope to send. |
954 | */ | |
269971dd | 955 | devc->dev_state = FETCH_DATA; |
ae88b97b BV |
956 | |
957 | /* Tell the frontend a new frame is on the way. */ | |
958 | packet.type = SR_DF_FRAME_BEGIN; | |
269971dd | 959 | sr_session_send(sdi, &packet); |
3b533202 BV |
960 | break; |
961 | case CAPTURE_READY_9BIT: | |
962 | /* TODO */ | |
e98b7f1b | 963 | sr_err("Not yet supported."); |
3b533202 BV |
964 | break; |
965 | case CAPTURE_TIMEOUT: | |
966 | /* Doesn't matter, we'll try again next time. */ | |
967 | break; | |
968 | default: | |
e98b7f1b UH |
969 | sr_dbg("Unknown capture state: %d.", capturestate); |
970 | break; | |
3b533202 BV |
971 | } |
972 | ||
973 | return TRUE; | |
974 | } | |
975 | ||
6078d2c9 | 976 | static int dev_acquisition_start(const struct sr_dev_inst *sdi, void *cb_data) |
3b533202 | 977 | { |
269971dd | 978 | struct dev_context *devc; |
a873c594 | 979 | struct drv_context *drvc = di->priv; |
3b533202 | 980 | |
3b533202 | 981 | if (sdi->status != SR_ST_ACTIVE) |
e73ffd42 | 982 | return SR_ERR_DEV_CLOSED; |
3b533202 | 983 | |
269971dd BV |
984 | devc = sdi->priv; |
985 | devc->cb_data = cb_data; | |
3b533202 | 986 | |
ba7dd8bb UH |
987 | if (configure_channels(sdi) != SR_OK) { |
988 | sr_err("Failed to configure channels."); | |
014359e3 BV |
989 | return SR_ERR; |
990 | } | |
991 | ||
c118080b | 992 | if (dso_init(sdi) != SR_OK) |
3b533202 BV |
993 | return SR_ERR; |
994 | ||
c118080b | 995 | if (dso_capture_start(sdi) != SR_OK) |
3b533202 BV |
996 | return SR_ERR; |
997 | ||
269971dd | 998 | devc->dev_state = CAPTURE; |
102f1239 | 999 | usb_source_add(sdi->session, drvc->sr_ctx, TICK, handle_event, (void *)sdi); |
3b533202 BV |
1000 | |
1001 | /* Send header packet to the session bus. */ | |
29a27196 | 1002 | std_session_send_df_header(cb_data, LOG_PREFIX); |
3b533202 | 1003 | |
3b533202 BV |
1004 | return SR_OK; |
1005 | } | |
1006 | ||
6078d2c9 | 1007 | static int dev_acquisition_stop(struct sr_dev_inst *sdi, void *cb_data) |
3b533202 | 1008 | { |
269971dd BV |
1009 | struct dev_context *devc; |
1010 | ||
1011 | (void)cb_data; | |
3b533202 | 1012 | |
3b533202 BV |
1013 | if (sdi->status != SR_ST_ACTIVE) |
1014 | return SR_ERR; | |
1015 | ||
a3508e33 BV |
1016 | devc = sdi->priv; |
1017 | devc->dev_state = STOPPING; | |
3b533202 BV |
1018 | |
1019 | return SR_OK; | |
1020 | } | |
1021 | ||
62bb8840 | 1022 | SR_PRIV struct sr_dev_driver hantek_dso_driver_info = { |
3b533202 BV |
1023 | .name = "hantek-dso", |
1024 | .longname = "Hantek DSO", | |
1025 | .api_version = 1, | |
6078d2c9 UH |
1026 | .init = init, |
1027 | .cleanup = cleanup, | |
1028 | .scan = scan, | |
1029 | .dev_list = dev_list, | |
3b412e3a | 1030 | .dev_clear = dev_clear, |
79917848 | 1031 | .config_get = config_get, |
035a1078 | 1032 | .config_set = config_set, |
a1c743fc | 1033 | .config_list = config_list, |
6078d2c9 UH |
1034 | .dev_open = dev_open, |
1035 | .dev_close = dev_close, | |
1036 | .dev_acquisition_start = dev_acquisition_start, | |
1037 | .dev_acquisition_stop = dev_acquisition_stop, | |
269971dd | 1038 | .priv = NULL, |
3b533202 | 1039 | }; |