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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> |
417412c8 | 21 | #include <math.h> |
3b533202 BV |
22 | #include <stdio.h> |
23 | #include <stdint.h> | |
24 | #include <stdlib.h> | |
25 | #include <sys/types.h> | |
26 | #include <sys/stat.h> | |
27 | #include <fcntl.h> | |
28 | #include <unistd.h> | |
29 | #include <string.h> | |
30 | #include <sys/time.h> | |
31 | #include <inttypes.h> | |
3b533202 BV |
32 | #include <glib.h> |
33 | #include <libusb.h> | |
c1aae900 | 34 | #include <libsigrok/libsigrok.h> |
45c59c8b | 35 | #include "libsigrok-internal.h" |
caeb8d7a | 36 | #include "protocol.h" |
3b533202 | 37 | |
fc8fe3e3 BV |
38 | /* Max time in ms before we want to check on USB events */ |
39 | /* TODO tune this properly */ | |
e98b7f1b | 40 | #define TICK 1 |
3b533202 | 41 | |
d9251a2c UH |
42 | #define NUM_TIMEBASE 10 |
43 | #define NUM_VDIV 8 | |
79917848 | 44 | |
07ffa5b3 UH |
45 | #define NUM_BUFFER_SIZES 2 |
46 | ||
584560f1 | 47 | static const uint32_t scanopts[] = { |
624f5b4c BV |
48 | SR_CONF_CONN, |
49 | }; | |
50 | ||
5ecd9049 | 51 | static const uint32_t drvopts[] = { |
1953564a | 52 | SR_CONF_OSCILLOSCOPE, |
933defaa BV |
53 | }; |
54 | ||
5ecd9049 | 55 | static const uint32_t devopts[] = { |
e91bb0a6 | 56 | SR_CONF_CONTINUOUS, |
5ecd9049 | 57 | SR_CONF_LIMIT_FRAMES | SR_CONF_SET, |
933defaa BV |
58 | SR_CONF_CONN | SR_CONF_GET, |
59 | SR_CONF_TIMEBASE | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST, | |
60 | SR_CONF_BUFFERSIZE | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST, | |
61 | SR_CONF_TRIGGER_SOURCE | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST, | |
62 | SR_CONF_TRIGGER_SLOPE | SR_CONF_GET | SR_CONF_SET, | |
63 | SR_CONF_HORIZ_TRIGGERPOS | SR_CONF_GET | SR_CONF_SET, | |
bf622e6d | 64 | SR_CONF_NUM_HDIV | SR_CONF_GET, |
5827f61b | 65 | SR_CONF_NUM_VDIV | SR_CONF_GET, |
3b533202 BV |
66 | }; |
67 | ||
933defaa BV |
68 | static const uint32_t devopts_cg[] = { |
69 | SR_CONF_FILTER | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST, | |
70 | SR_CONF_VDIV | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST, | |
71 | SR_CONF_COUPLING | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST, | |
72 | }; | |
73 | ||
ba7dd8bb | 74 | static const char *channel_names[] = { |
78693401 | 75 | "CH1", "CH2", |
3b533202 BV |
76 | }; |
77 | ||
034accb5 | 78 | static const uint64_t buffersizes_32k[] = { |
1a46cc62 | 79 | (10 * 1024), (32 * 1024), |
034accb5 BV |
80 | }; |
81 | static const uint64_t buffersizes_512k[] = { | |
1a46cc62 | 82 | (10 * 1024), (512 * 1024), |
034accb5 BV |
83 | }; |
84 | static const uint64_t buffersizes_14k[] = { | |
1a46cc62 | 85 | (10 * 1024), (14 * 1024), |
034accb5 BV |
86 | }; |
87 | ||
62bb8840 | 88 | static const struct dso_profile dev_profiles[] = { |
88a13f30 | 89 | { 0x04b4, 0x2090, 0x04b5, 0x2090, |
3b533202 | 90 | "Hantek", "DSO-2090", |
034accb5 | 91 | buffersizes_32k, |
8e2d6c9d | 92 | "hantek-dso-2090.fw" }, |
88a13f30 BV |
93 | { 0x04b4, 0x2150, 0x04b5, 0x2150, |
94 | "Hantek", "DSO-2150", | |
034accb5 | 95 | buffersizes_32k, |
8e2d6c9d | 96 | "hantek-dso-2150.fw" }, |
88a13f30 BV |
97 | { 0x04b4, 0x2250, 0x04b5, 0x2250, |
98 | "Hantek", "DSO-2250", | |
034accb5 | 99 | buffersizes_512k, |
8e2d6c9d | 100 | "hantek-dso-2250.fw" }, |
88a13f30 BV |
101 | { 0x04b4, 0x5200, 0x04b5, 0x5200, |
102 | "Hantek", "DSO-5200", | |
034accb5 | 103 | buffersizes_14k, |
8e2d6c9d | 104 | "hantek-dso-5200.fw" }, |
88a13f30 BV |
105 | { 0x04b4, 0x520a, 0x04b5, 0x520a, |
106 | "Hantek", "DSO-5200A", | |
034accb5 | 107 | buffersizes_512k, |
8e2d6c9d | 108 | "hantek-dso-5200A.fw" }, |
1b4aedc0 | 109 | ALL_ZERO |
a370ef19 BV |
110 | }; |
111 | ||
86bb3f4a | 112 | static const uint64_t timebases[][2] = { |
a370ef19 BV |
113 | /* microseconds */ |
114 | { 10, 1000000 }, | |
115 | { 20, 1000000 }, | |
116 | { 40, 1000000 }, | |
117 | { 100, 1000000 }, | |
118 | { 200, 1000000 }, | |
119 | { 400, 1000000 }, | |
120 | /* milliseconds */ | |
121 | { 1, 1000 }, | |
122 | { 2, 1000 }, | |
123 | { 4, 1000 }, | |
124 | { 10, 1000 }, | |
125 | { 20, 1000 }, | |
126 | { 40, 1000 }, | |
127 | { 100, 1000 }, | |
128 | { 200, 1000 }, | |
129 | { 400, 1000 }, | |
a370ef19 BV |
130 | }; |
131 | ||
86bb3f4a | 132 | static const uint64_t vdivs[][2] = { |
313deed2 BV |
133 | /* millivolts */ |
134 | { 10, 1000 }, | |
135 | { 20, 1000 }, | |
136 | { 50, 1000 }, | |
137 | { 100, 1000 }, | |
138 | { 200, 1000 }, | |
139 | { 500, 1000 }, | |
140 | /* volts */ | |
141 | { 1, 1 }, | |
142 | { 2, 1 }, | |
143 | { 5, 1 }, | |
313deed2 BV |
144 | }; |
145 | ||
62bb8840 | 146 | static const char *trigger_sources[] = { |
a370ef19 BV |
147 | "CH1", |
148 | "CH2", | |
149 | "EXT", | |
88a13f30 | 150 | /* TODO: forced */ |
a370ef19 | 151 | }; |
3b533202 | 152 | |
933defaa BV |
153 | static const char *trigger_slopes[] = { |
154 | "r", | |
155 | "f", | |
ebb781a6 BV |
156 | }; |
157 | ||
62bb8840 | 158 | static const char *coupling[] = { |
b58fbd99 BV |
159 | "AC", |
160 | "DC", | |
161 | "GND", | |
b58fbd99 BV |
162 | }; |
163 | ||
695dc859 | 164 | static int dev_acquisition_stop(struct sr_dev_inst *sdi); |
3b533202 | 165 | |
15a5bfe4 | 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 | 171 | struct dev_context *devc; |
dcd438ee | 172 | unsigned int i; |
3b533202 | 173 | |
aac29cc1 | 174 | sdi = g_malloc0(sizeof(struct sr_dev_inst)); |
0af636be UH |
175 | sdi->status = SR_ST_INITIALIZING; |
176 | sdi->vendor = g_strdup(prof->vendor); | |
177 | sdi->model = g_strdup(prof->model); | |
3b533202 | 178 | |
e98b7f1b | 179 | /* |
ba7dd8bb | 180 | * Add only the real channels -- EXT isn't a source of data, only |
87ca93c5 BV |
181 | * a trigger source internal to the device. |
182 | */ | |
0f34cb47 | 183 | for (i = 0; i < ARRAY_SIZE(channel_names); i++) { |
5e23fcab | 184 | ch = sr_channel_new(sdi, i, SR_CHANNEL_ANALOG, TRUE, channel_names[i]); |
933defaa BV |
185 | cg = g_malloc0(sizeof(struct sr_channel_group)); |
186 | cg->name = g_strdup(channel_names[i]); | |
187 | cg->channels = g_slist_append(cg->channels, ch); | |
188 | sdi->channel_groups = g_slist_append(sdi->channel_groups, cg); | |
87ca93c5 BV |
189 | } |
190 | ||
933defaa | 191 | devc = g_malloc0(sizeof(struct dev_context)); |
269971dd BV |
192 | devc->profile = prof; |
193 | devc->dev_state = IDLE; | |
194 | devc->timebase = DEFAULT_TIMEBASE; | |
417412c8 AJ |
195 | devc->ch_enabled[0] = TRUE; |
196 | devc->ch_enabled[1] = TRUE; | |
933defaa BV |
197 | devc->voltage[0] = DEFAULT_VOLTAGE; |
198 | devc->voltage[1] = DEFAULT_VOLTAGE; | |
199 | devc->coupling[0] = DEFAULT_COUPLING; | |
200 | devc->coupling[1] = DEFAULT_COUPLING; | |
269971dd BV |
201 | devc->voffset_ch1 = DEFAULT_VERT_OFFSET; |
202 | devc->voffset_ch2 = DEFAULT_VERT_OFFSET; | |
203 | devc->voffset_trigger = DEFAULT_VERT_TRIGGERPOS; | |
204 | devc->framesize = DEFAULT_FRAMESIZE; | |
205 | devc->triggerslope = SLOPE_POSITIVE; | |
206 | devc->triggersource = g_strdup(DEFAULT_TRIGGER_SOURCE); | |
207 | devc->triggerposition = DEFAULT_HORIZ_TRIGGERPOS; | |
208 | sdi->priv = devc; | |
3b533202 BV |
209 | |
210 | return sdi; | |
211 | } | |
212 | ||
ba7dd8bb | 213 | static int configure_channels(const struct sr_dev_inst *sdi) |
3b533202 | 214 | { |
014359e3 | 215 | struct dev_context *devc; |
ba7dd8bb | 216 | struct sr_channel *ch; |
62bb8840 | 217 | const GSList *l; |
69e19dd7 | 218 | int p; |
3b533202 | 219 | |
014359e3 BV |
220 | devc = sdi->priv; |
221 | ||
ba7dd8bb | 222 | g_slist_free(devc->enabled_channels); |
417412c8 | 223 | devc->ch_enabled[0] = devc->ch_enabled[1] = FALSE; |
ba7dd8bb UH |
224 | for (l = sdi->channels, p = 0; l; l = l->next, p++) { |
225 | ch = l->data; | |
69e19dd7 | 226 | if (p == 0) |
417412c8 | 227 | devc->ch_enabled[0] = ch->enabled; |
69e19dd7 | 228 | else |
417412c8 | 229 | devc->ch_enabled[1] = ch->enabled; |
ba7dd8bb UH |
230 | if (ch->enabled) |
231 | devc->enabled_channels = g_slist_append(devc->enabled_channels, ch); | |
3b533202 BV |
232 | } |
233 | ||
234 | return SR_OK; | |
235 | } | |
236 | ||
949b3dc0 | 237 | static void clear_dev_context(void *priv) |
39cfdd75 | 238 | { |
269971dd | 239 | struct dev_context *devc; |
39cfdd75 | 240 | |
949b3dc0 BV |
241 | devc = priv; |
242 | g_free(devc->triggersource); | |
ba7dd8bb | 243 | g_slist_free(devc->enabled_channels); |
39cfdd75 | 244 | |
949b3dc0 | 245 | } |
39cfdd75 | 246 | |
4f840ce9 | 247 | static int dev_clear(const struct sr_dev_driver *di) |
949b3dc0 BV |
248 | { |
249 | return std_dev_clear(di, clear_dev_context); | |
39cfdd75 BV |
250 | } |
251 | ||
4f840ce9 | 252 | static GSList *scan(struct sr_dev_driver *di, GSList *options) |
3b533202 | 253 | { |
269971dd BV |
254 | struct drv_context *drvc; |
255 | struct dev_context *devc; | |
294dbac7 | 256 | struct sr_dev_inst *sdi; |
46a743c1 BV |
257 | struct sr_usb_dev_inst *usb; |
258 | struct sr_config *src; | |
294dbac7 BV |
259 | const struct dso_profile *prof; |
260 | GSList *l, *devices, *conn_devices; | |
39cfdd75 | 261 | struct libusb_device_descriptor des; |
3b533202 | 262 | libusb_device **devlist; |
2a8f2d41 | 263 | int i, j; |
46a743c1 | 264 | const char *conn; |
395206f4 | 265 | char connection_id[64]; |
e98b7f1b | 266 | |
41812aca | 267 | drvc = di->context; |
39cfdd75 | 268 | |
4b97c74e UH |
269 | devices = 0; |
270 | ||
294dbac7 BV |
271 | conn = NULL; |
272 | for (l = options; l; l = l->next) { | |
273 | src = l->data; | |
274 | if (src->key == SR_CONF_CONN) { | |
275 | conn = g_variant_get_string(src->data, NULL); | |
276 | break; | |
277 | } | |
278 | } | |
279 | if (conn) | |
280 | conn_devices = sr_usb_find(drvc->sr_ctx->libusb_ctx, conn); | |
281 | else | |
282 | conn_devices = NULL; | |
283 | ||
39cfdd75 | 284 | /* Find all Hantek DSO devices and upload firmware to all of them. */ |
d4abb463 | 285 | libusb_get_device_list(drvc->sr_ctx->libusb_ctx, &devlist); |
3b533202 | 286 | for (i = 0; devlist[i]; i++) { |
46a743c1 | 287 | if (conn) { |
294dbac7 BV |
288 | usb = NULL; |
289 | for (l = conn_devices; l; l = l->next) { | |
290 | usb = l->data; | |
291 | if (usb->bus == libusb_get_bus_number(devlist[i]) | |
292 | && usb->address == libusb_get_device_address(devlist[i])) | |
293 | break; | |
294 | } | |
295 | if (!l) | |
296 | /* This device matched none of the ones that | |
297 | * matched the conn specification. */ | |
298 | continue; | |
46a743c1 | 299 | } |
294dbac7 | 300 | |
2a8f2d41 | 301 | libusb_get_device_descriptor(devlist[i], &des); |
3b533202 | 302 | |
395206f4 SA |
303 | usb_get_port_path(devlist[i], connection_id, sizeof(connection_id)); |
304 | ||
3b533202 BV |
305 | prof = NULL; |
306 | for (j = 0; dev_profiles[j].orig_vid; j++) { | |
307 | if (des.idVendor == dev_profiles[j].orig_vid | |
308 | && des.idProduct == dev_profiles[j].orig_pid) { | |
309 | /* Device matches the pre-firmware profile. */ | |
310 | prof = &dev_profiles[j]; | |
e98b7f1b | 311 | sr_dbg("Found a %s %s.", prof->vendor, prof->model); |
15a5bfe4 | 312 | sdi = dso_dev_new(prof); |
395206f4 | 313 | sdi->connection_id = g_strdup(connection_id); |
39cfdd75 | 314 | devices = g_slist_append(devices, sdi); |
269971dd | 315 | devc = sdi->priv; |
8e2d6c9d DE |
316 | if (ezusb_upload_firmware(drvc->sr_ctx, devlist[i], |
317 | USB_CONFIGURATION, prof->firmware) == SR_OK) | |
3b533202 | 318 | /* Remember when the firmware on this device was updated */ |
269971dd | 319 | devc->fw_updated = g_get_monotonic_time(); |
3b533202 | 320 | else |
395206f4 | 321 | sr_err("Firmware upload failed"); |
3b533202 | 322 | /* Dummy USB address of 0xff will get overwritten later. */ |
c118080b | 323 | sdi->conn = sr_usb_dev_inst_new( |
3b533202 | 324 | libusb_get_bus_number(devlist[i]), 0xff, NULL); |
3b533202 BV |
325 | break; |
326 | } else if (des.idVendor == dev_profiles[j].fw_vid | |
327 | && des.idProduct == dev_profiles[j].fw_pid) { | |
328 | /* Device matches the post-firmware profile. */ | |
329 | prof = &dev_profiles[j]; | |
e98b7f1b | 330 | sr_dbg("Found a %s %s.", prof->vendor, prof->model); |
15a5bfe4 | 331 | sdi = dso_dev_new(prof); |
395206f4 | 332 | sdi->connection_id = g_strdup(connection_id); |
3b533202 | 333 | sdi->status = SR_ST_INACTIVE; |
39cfdd75 | 334 | devices = g_slist_append(devices, sdi); |
d0eec1ee | 335 | sdi->inst_type = SR_INST_USB; |
c118080b | 336 | sdi->conn = sr_usb_dev_inst_new( |
3b533202 BV |
337 | libusb_get_bus_number(devlist[i]), |
338 | libusb_get_device_address(devlist[i]), NULL); | |
3b533202 BV |
339 | break; |
340 | } | |
341 | } | |
342 | if (!prof) | |
343 | /* not a supported VID/PID */ | |
344 | continue; | |
345 | } | |
346 | libusb_free_device_list(devlist, 1); | |
347 | ||
15a5bfe4 | 348 | return std_scan_complete(di, devices); |
3b533202 BV |
349 | } |
350 | ||
6078d2c9 | 351 | static int dev_open(struct sr_dev_inst *sdi) |
3b533202 | 352 | { |
269971dd | 353 | struct dev_context *devc; |
c118080b | 354 | struct sr_usb_dev_inst *usb; |
fc8fe3e3 BV |
355 | int64_t timediff_us, timediff_ms; |
356 | int err; | |
3b533202 | 357 | |
269971dd | 358 | devc = sdi->priv; |
c118080b | 359 | usb = sdi->conn; |
3b533202 BV |
360 | |
361 | /* | |
e98b7f1b UH |
362 | * If the firmware was recently uploaded, wait up to MAX_RENUM_DELAY_MS |
363 | * for the FX2 to renumerate. | |
3b533202 | 364 | */ |
fc8fe3e3 | 365 | err = SR_ERR; |
269971dd | 366 | if (devc->fw_updated > 0) { |
e98b7f1b UH |
367 | sr_info("Waiting for device to reset."); |
368 | /* Takes >= 300ms for the FX2 to be gone from the USB bus. */ | |
3b533202 | 369 | g_usleep(300 * 1000); |
fc8fe3e3 BV |
370 | timediff_ms = 0; |
371 | while (timediff_ms < MAX_RENUM_DELAY_MS) { | |
25a0f108 | 372 | if ((err = dso_open(sdi)) == SR_OK) |
3b533202 BV |
373 | break; |
374 | g_usleep(100 * 1000); | |
269971dd | 375 | timediff_us = g_get_monotonic_time() - devc->fw_updated; |
fc8fe3e3 | 376 | timediff_ms = timediff_us / 1000; |
e98b7f1b | 377 | sr_spew("Waited %" PRIi64 " ms.", timediff_ms); |
3b533202 | 378 | } |
6433156c | 379 | sr_info("Device came back after %" PRIi64 " ms.", timediff_ms); |
3b533202 | 380 | } else { |
25a0f108 | 381 | err = dso_open(sdi); |
3b533202 BV |
382 | } |
383 | ||
384 | if (err != SR_OK) { | |
e98b7f1b | 385 | sr_err("Unable to open device."); |
3b533202 BV |
386 | return SR_ERR; |
387 | } | |
388 | ||
c118080b | 389 | err = libusb_claim_interface(usb->devhdl, USB_INTERFACE); |
3b533202 | 390 | if (err != 0) { |
d4928d71 | 391 | sr_err("Unable to claim interface: %s.", |
d9251a2c | 392 | libusb_error_name(err)); |
3b533202 BV |
393 | return SR_ERR; |
394 | } | |
395 | ||
396 | return SR_OK; | |
397 | } | |
398 | ||
6078d2c9 | 399 | static int dev_close(struct sr_dev_inst *sdi) |
3b533202 | 400 | { |
3b533202 BV |
401 | dso_close(sdi); |
402 | ||
403 | return SR_OK; | |
404 | } | |
405 | ||
584560f1 | 406 | static int config_get(uint32_t key, GVariant **data, const struct sr_dev_inst *sdi, |
53b4680f | 407 | const struct sr_channel_group *cg) |
79917848 | 408 | { |
933defaa | 409 | struct dev_context *devc; |
624f5b4c | 410 | struct sr_usb_dev_inst *usb; |
2c240774 UH |
411 | char str[128]; |
412 | const char *s; | |
933defaa BV |
413 | const uint64_t *vdiv; |
414 | int ch_idx; | |
79917848 | 415 | |
584560f1 | 416 | switch (key) { |
bf622e6d | 417 | case SR_CONF_NUM_HDIV: |
79917848 BV |
418 | *data = g_variant_new_int32(NUM_TIMEBASE); |
419 | break; | |
420 | case SR_CONF_NUM_VDIV: | |
421 | *data = g_variant_new_int32(NUM_VDIV); | |
422 | break; | |
933defaa BV |
423 | } |
424 | ||
425 | if (!sdi) | |
426 | return SR_ERR_ARG; | |
427 | ||
428 | devc = sdi->priv; | |
429 | if (!cg) { | |
430 | switch (key) { | |
431 | case SR_CONF_CONN: | |
432 | if (!sdi->conn) | |
433 | return SR_ERR_ARG; | |
434 | usb = sdi->conn; | |
435 | if (usb->address == 255) | |
436 | /* Device still needs to re-enumerate after firmware | |
437 | * upload, so we don't know its (future) address. */ | |
438 | return SR_ERR; | |
439 | snprintf(str, 128, "%d.%d", usb->bus, usb->address); | |
440 | *data = g_variant_new_string(str); | |
441 | break; | |
442 | case SR_CONF_TIMEBASE: | |
443 | *data = g_variant_new("(tt)", timebases[devc->timebase][0], | |
444 | timebases[devc->timebase][1]); | |
445 | break; | |
446 | case SR_CONF_BUFFERSIZE: | |
447 | *data = g_variant_new_uint64(devc->framesize); | |
448 | break; | |
449 | case SR_CONF_TRIGGER_SOURCE: | |
450 | *data = g_variant_new_string(devc->triggersource); | |
451 | break; | |
452 | case SR_CONF_TRIGGER_SLOPE: | |
c442ffda | 453 | s = (devc->triggerslope == SLOPE_POSITIVE) ? "r" : "f"; |
933defaa BV |
454 | *data = g_variant_new_string(s); |
455 | break; | |
456 | case SR_CONF_HORIZ_TRIGGERPOS: | |
457 | *data = g_variant_new_double(devc->triggerposition); | |
458 | break; | |
459 | default: | |
460 | return SR_ERR_NA; | |
461 | } | |
462 | } else { | |
463 | if (sdi->channel_groups->data == cg) | |
464 | ch_idx = 0; | |
465 | else if (sdi->channel_groups->next->data == cg) | |
466 | ch_idx = 1; | |
467 | else | |
468 | return SR_ERR_ARG; | |
0c5f2abc | 469 | switch (key) { |
933defaa BV |
470 | case SR_CONF_FILTER: |
471 | *data = g_variant_new_boolean(devc->filter[ch_idx]); | |
472 | break; | |
473 | case SR_CONF_VDIV: | |
474 | vdiv = vdivs[devc->voltage[ch_idx]]; | |
475 | *data = g_variant_new("(tt)", vdiv[0], vdiv[1]); | |
476 | break; | |
477 | case SR_CONF_COUPLING: | |
478 | *data = g_variant_new_string(coupling[devc->coupling[ch_idx]]); | |
479 | break; | |
480 | } | |
79917848 BV |
481 | } |
482 | ||
483 | return SR_OK; | |
484 | } | |
485 | ||
584560f1 | 486 | static int config_set(uint32_t key, GVariant *data, const struct sr_dev_inst *sdi, |
53b4680f | 487 | const struct sr_channel_group *cg) |
3b533202 | 488 | { |
269971dd | 489 | struct dev_context *devc; |
f627afd6 | 490 | double tmp_double; |
86bb3f4a | 491 | uint64_t tmp_u64, p, q; |
933defaa | 492 | int tmp_int, ch_idx, ret; |
f627afd6 BV |
493 | unsigned int i; |
494 | const char *tmp_str; | |
8f996b89 | 495 | |
3b533202 | 496 | if (sdi->status != SR_ST_ACTIVE) |
e73ffd42 | 497 | return SR_ERR_DEV_CLOSED; |
3b533202 | 498 | |
a370ef19 | 499 | ret = SR_OK; |
269971dd | 500 | devc = sdi->priv; |
933defaa BV |
501 | if (!cg) { |
502 | switch (key) { | |
503 | case SR_CONF_LIMIT_FRAMES: | |
504 | devc->limit_frames = g_variant_get_uint64(data); | |
505 | break; | |
506 | case SR_CONF_TRIGGER_SLOPE: | |
507 | tmp_str = g_variant_get_string(data, NULL); | |
508 | if (!tmp_str || !(tmp_str[0] == 'f' || tmp_str[0] == 'r')) | |
509 | return SR_ERR_ARG; | |
510 | devc->triggerslope = (tmp_str[0] == 'r') | |
511 | ? SLOPE_POSITIVE : SLOPE_NEGATIVE; | |
512 | break; | |
513 | case SR_CONF_HORIZ_TRIGGERPOS: | |
514 | tmp_double = g_variant_get_double(data); | |
515 | if (tmp_double < 0.0 || tmp_double > 1.0) { | |
516 | sr_err("Trigger position should be between 0.0 and 1.0."); | |
517 | ret = SR_ERR_ARG; | |
518 | } else | |
519 | devc->triggerposition = tmp_double; | |
520 | break; | |
521 | case SR_CONF_BUFFERSIZE: | |
522 | tmp_u64 = g_variant_get_uint64(data); | |
07ffa5b3 | 523 | for (i = 0; i < NUM_BUFFER_SIZES; i++) { |
933defaa BV |
524 | if (devc->profile->buffersizes[i] == tmp_u64) { |
525 | devc->framesize = tmp_u64; | |
526 | break; | |
527 | } | |
a370ef19 | 528 | } |
07ffa5b3 | 529 | if (i == NUM_BUFFER_SIZES) |
933defaa BV |
530 | ret = SR_ERR_ARG; |
531 | break; | |
532 | case SR_CONF_TIMEBASE: | |
533 | g_variant_get(data, "(tt)", &p, &q); | |
534 | tmp_int = -1; | |
535 | for (i = 0; i < ARRAY_SIZE(timebases); i++) { | |
536 | if (timebases[i][0] == p && timebases[i][1] == q) { | |
537 | tmp_int = i; | |
538 | break; | |
539 | } | |
a370ef19 | 540 | } |
933defaa BV |
541 | if (tmp_int >= 0) |
542 | devc->timebase = tmp_int; | |
543 | else | |
ebb781a6 | 544 | ret = SR_ERR_ARG; |
933defaa BV |
545 | break; |
546 | case SR_CONF_TRIGGER_SOURCE: | |
547 | tmp_str = g_variant_get_string(data, NULL); | |
548 | for (i = 0; trigger_sources[i]; i++) { | |
549 | if (!strcmp(tmp_str, trigger_sources[i])) { | |
550 | devc->triggersource = g_strdup(tmp_str); | |
551 | break; | |
552 | } | |
ebb781a6 | 553 | } |
933defaa BV |
554 | if (trigger_sources[i] == 0) |
555 | ret = SR_ERR_ARG; | |
556 | break; | |
557 | default: | |
558 | ret = SR_ERR_NA; | |
559 | break; | |
ebb781a6 | 560 | } |
933defaa BV |
561 | } else { |
562 | if (sdi->channel_groups->data == cg) | |
563 | ch_idx = 0; | |
564 | else if (sdi->channel_groups->next->data == cg) | |
565 | ch_idx = 1; | |
566 | else | |
567 | return SR_ERR_ARG; | |
568 | switch (key) { | |
569 | case SR_CONF_FILTER: | |
570 | devc->filter[ch_idx] = g_variant_get_boolean(data); | |
571 | break; | |
572 | case SR_CONF_VDIV: | |
573 | g_variant_get(data, "(tt)", &p, &q); | |
574 | tmp_int = -1; | |
575 | for (i = 0; i < ARRAY_SIZE(vdivs); i++) { | |
576 | if (vdivs[i][0] == p && vdivs[i][1] == q) { | |
577 | tmp_int = i; | |
578 | break; | |
579 | } | |
313deed2 | 580 | } |
933defaa BV |
581 | if (tmp_int >= 0) { |
582 | devc->voltage[ch_idx] = tmp_int; | |
583 | } else | |
584 | ret = SR_ERR_ARG; | |
585 | break; | |
586 | case SR_CONF_COUPLING: | |
587 | tmp_str = g_variant_get_string(data, NULL); | |
588 | for (i = 0; coupling[i]; i++) { | |
589 | if (!strcmp(tmp_str, coupling[i])) { | |
590 | devc->coupling[ch_idx] = i; | |
591 | break; | |
592 | } | |
b58fbd99 | 593 | } |
933defaa BV |
594 | if (coupling[i] == 0) |
595 | ret = SR_ERR_ARG; | |
596 | break; | |
597 | default: | |
598 | ret = SR_ERR_NA; | |
599 | break; | |
b58fbd99 | 600 | } |
3b533202 BV |
601 | } |
602 | ||
603 | return ret; | |
604 | } | |
605 | ||
584560f1 | 606 | static int config_list(uint32_t key, GVariant **data, const struct sr_dev_inst *sdi, |
53b4680f | 607 | const struct sr_channel_group *cg) |
a1c743fc | 608 | { |
034accb5 | 609 | struct dev_context *devc; |
3973ee26 BV |
610 | GVariant *tuple, *rational[2]; |
611 | GVariantBuilder gvb; | |
612 | unsigned int i; | |
a1c743fc | 613 | |
933defaa | 614 | if (key == SR_CONF_SCAN_OPTIONS) { |
584560f1 BV |
615 | *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32, |
616 | scanopts, ARRAY_SIZE(scanopts), sizeof(uint32_t)); | |
933defaa BV |
617 | return SR_OK; |
618 | } else if (key == SR_CONF_DEVICE_OPTIONS && !sdi) { | |
584560f1 | 619 | *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32, |
5ecd9049 | 620 | drvopts, ARRAY_SIZE(drvopts), sizeof(uint32_t)); |
933defaa BV |
621 | return SR_OK; |
622 | } | |
623 | ||
624 | if (!sdi) | |
625 | return SR_ERR_ARG; | |
626 | ||
627 | if (!cg) { | |
93b118da | 628 | switch (key) { |
933defaa BV |
629 | case SR_CONF_DEVICE_OPTIONS: |
630 | *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32, | |
5ecd9049 | 631 | devopts, ARRAY_SIZE(devopts), sizeof(uint32_t)); |
933defaa BV |
632 | break; |
633 | case SR_CONF_BUFFERSIZE: | |
634 | if (!sdi) | |
635 | return SR_ERR_ARG; | |
636 | devc = sdi->priv; | |
637 | *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT64, | |
07ffa5b3 | 638 | devc->profile->buffersizes, NUM_BUFFER_SIZES, sizeof(uint64_t)); |
933defaa BV |
639 | break; |
640 | case SR_CONF_TIMEBASE: | |
641 | g_variant_builder_init(&gvb, G_VARIANT_TYPE_ARRAY); | |
642 | for (i = 0; i < ARRAY_SIZE(timebases); i++) { | |
643 | rational[0] = g_variant_new_uint64(timebases[i][0]); | |
644 | rational[1] = g_variant_new_uint64(timebases[i][1]); | |
645 | tuple = g_variant_new_tuple(rational, 2); | |
646 | g_variant_builder_add_value(&gvb, tuple); | |
647 | } | |
648 | *data = g_variant_builder_end(&gvb); | |
649 | break; | |
650 | case SR_CONF_TRIGGER_SOURCE: | |
651 | *data = g_variant_new_strv(trigger_sources, | |
652 | ARRAY_SIZE(trigger_sources)); | |
653 | break; | |
654 | case SR_CONF_TRIGGER_SLOPE: | |
655 | *data = g_variant_new_strv(trigger_slopes, | |
656 | ARRAY_SIZE(trigger_slopes)); | |
657 | break; | |
658 | default: | |
659 | return SR_ERR_NA; | |
3973ee26 | 660 | } |
933defaa | 661 | } else { |
93b118da | 662 | switch (key) { |
933defaa BV |
663 | case SR_CONF_DEVICE_OPTIONS: |
664 | *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32, | |
665 | devopts_cg, ARRAY_SIZE(devopts_cg), sizeof(uint32_t)); | |
666 | break; | |
667 | case SR_CONF_COUPLING: | |
668 | *data = g_variant_new_strv(coupling, ARRAY_SIZE(coupling)); | |
669 | break; | |
670 | case SR_CONF_VDIV: | |
671 | g_variant_builder_init(&gvb, G_VARIANT_TYPE_ARRAY); | |
672 | for (i = 0; i < ARRAY_SIZE(vdivs); i++) { | |
673 | rational[0] = g_variant_new_uint64(vdivs[i][0]); | |
674 | rational[1] = g_variant_new_uint64(vdivs[i][1]); | |
675 | tuple = g_variant_new_tuple(rational, 2); | |
676 | g_variant_builder_add_value(&gvb, tuple); | |
677 | } | |
678 | *data = g_variant_builder_end(&gvb); | |
679 | break; | |
680 | default: | |
681 | return SR_ERR_NA; | |
3973ee26 | 682 | } |
a1c743fc BV |
683 | } |
684 | ||
685 | return SR_OK; | |
686 | } | |
687 | ||
69e19dd7 | 688 | static void send_chunk(struct sr_dev_inst *sdi, unsigned char *buf, |
e749a8cb | 689 | int num_samples) |
3b533202 BV |
690 | { |
691 | struct sr_datafeed_packet packet; | |
ae7d8a58 UH |
692 | struct sr_datafeed_analog analog; |
693 | struct sr_analog_encoding encoding; | |
694 | struct sr_analog_meaning meaning; | |
695 | struct sr_analog_spec spec; | |
417412c8 AJ |
696 | struct dev_context *devc = sdi->priv; |
697 | GSList *channels = devc->enabled_channels; | |
3b533202 | 698 | |
ae7d8a58 | 699 | packet.type = SR_DF_ANALOG; |
3b533202 | 700 | packet.payload = &analog; |
6e71ef3b | 701 | /* TODO: support for 5xxx series 9-bit samples */ |
ae7d8a58 | 702 | sr_analog_init(&analog, &encoding, &meaning, &spec, 0); |
e749a8cb | 703 | analog.num_samples = num_samples; |
ae7d8a58 UH |
704 | analog.meaning->mq = SR_MQ_VOLTAGE; |
705 | analog.meaning->unit = SR_UNIT_VOLT; | |
706 | analog.meaning->mqflags = 0; | |
886a52b6 | 707 | /* TODO: Check malloc return value. */ |
417412c8 AJ |
708 | analog.data = g_try_malloc(num_samples * sizeof(float)); |
709 | ||
710 | for (int ch = 0; ch < 2; ch++) { | |
711 | if (!devc->ch_enabled[ch]) | |
712 | continue; | |
713 | ||
714 | float range = ((float)vdivs[devc->voltage[ch]][0] / vdivs[devc->voltage[ch]][1]) * 8; | |
715 | float vdivlog = log10f(range / 255); | |
716 | int digits = -(int)vdivlog + (vdivlog < 0.0); | |
717 | analog.encoding->digits = digits; | |
718 | analog.spec->spec_digits = digits; | |
719 | analog.meaning->channels = g_slist_append(NULL, channels->data); | |
720 | ||
721 | for (int i = 0; i < num_samples; i++) { | |
722 | /* | |
723 | * The device always sends data for both channels. If a channel | |
724 | * is disabled, it contains a copy of the enabled channel's | |
725 | * data. However, we only send the requested channels to | |
726 | * the bus. | |
727 | * | |
728 | * Voltage values are encoded as a value 0-255 (0-512 on the | |
729 | * DSO-5200*), where the value is a point in the range | |
730 | * represented by the vdiv setting. There are 8 vertical divs, | |
731 | * so e.g. 500mV/div represents 4V peak-to-peak where 0 = -2V | |
732 | * and 255 = +2V. | |
733 | */ | |
734 | /* TODO: Support for DSO-5xxx series 9-bit samples. */ | |
735 | ((float *)analog.data)[i] = range / 255 * *(buf + i * 2 + 1 - ch) - range / 2; | |
6e71ef3b | 736 | } |
417412c8 AJ |
737 | sr_session_send(sdi, &packet); |
738 | g_slist_free(analog.meaning->channels); | |
739 | ||
740 | channels = channels->next; | |
3b533202 | 741 | } |
1e6b5b93 | 742 | g_free(analog.data); |
e749a8cb BV |
743 | } |
744 | ||
e98b7f1b UH |
745 | /* |
746 | * Called by libusb (as triggered by handle_event()) when a transfer comes in. | |
e749a8cb | 747 | * Only channel data comes in asynchronously, and all transfers for this are |
e98b7f1b | 748 | * queued up beforehand, so this just needs to chuck the incoming data onto |
e749a8cb BV |
749 | * the libsigrok session bus. |
750 | */ | |
55462b8b | 751 | static void LIBUSB_CALL receive_transfer(struct libusb_transfer *transfer) |
e749a8cb BV |
752 | { |
753 | struct sr_datafeed_packet packet; | |
69e19dd7 | 754 | struct sr_dev_inst *sdi; |
269971dd | 755 | struct dev_context *devc; |
e749a8cb BV |
756 | int num_samples, pre; |
757 | ||
69e19dd7 BV |
758 | sdi = transfer->user_data; |
759 | devc = sdi->priv; | |
eb8e6cd2 UH |
760 | sr_spew("receive_transfer(): status %s received %d bytes.", |
761 | libusb_error_name(transfer->status), transfer->actual_length); | |
e749a8cb BV |
762 | |
763 | if (transfer->actual_length == 0) | |
764 | /* Nothing to send to the bus. */ | |
765 | return; | |
766 | ||
767 | num_samples = transfer->actual_length / 2; | |
768 | ||
d4007311 | 769 | sr_spew("Got %d-%d/%d samples in frame.", devc->samp_received + 1, |
d9251a2c | 770 | devc->samp_received + num_samples, devc->framesize); |
e749a8cb | 771 | |
e98b7f1b UH |
772 | /* |
773 | * The device always sends a full frame, but the beginning of the frame | |
e749a8cb BV |
774 | * doesn't represent the trigger point. The offset at which the trigger |
775 | * happened came in with the capture state, so we need to start sending | |
e98b7f1b UH |
776 | * from there up the session bus. The samples in the frame buffer |
777 | * before that trigger point came after the end of the device's frame | |
778 | * buffer was reached, and it wrapped around to overwrite up until the | |
779 | * trigger point. | |
e749a8cb | 780 | */ |
269971dd | 781 | if (devc->samp_received < devc->trigger_offset) { |
e749a8cb | 782 | /* Trigger point not yet reached. */ |
269971dd | 783 | if (devc->samp_received + num_samples < devc->trigger_offset) { |
e749a8cb | 784 | /* The entire chunk is before the trigger point. */ |
269971dd | 785 | memcpy(devc->framebuf + devc->samp_buffered * 2, |
e749a8cb | 786 | transfer->buffer, num_samples * 2); |
269971dd | 787 | devc->samp_buffered += num_samples; |
e749a8cb | 788 | } else { |
e98b7f1b UH |
789 | /* |
790 | * This chunk hits or overruns the trigger point. | |
e749a8cb | 791 | * Store the part before the trigger fired, and |
e98b7f1b UH |
792 | * send the rest up to the session bus. |
793 | */ | |
269971dd BV |
794 | pre = devc->trigger_offset - devc->samp_received; |
795 | memcpy(devc->framebuf + devc->samp_buffered * 2, | |
e749a8cb | 796 | transfer->buffer, pre * 2); |
269971dd | 797 | devc->samp_buffered += pre; |
e749a8cb BV |
798 | |
799 | /* The rest of this chunk starts with the trigger point. */ | |
e98b7f1b | 800 | sr_dbg("Reached trigger point, %d samples buffered.", |
d9251a2c | 801 | devc->samp_buffered); |
e749a8cb BV |
802 | |
803 | /* Avoid the corner case where the chunk ended at | |
804 | * exactly the trigger point. */ | |
805 | if (num_samples > pre) | |
69e19dd7 | 806 | send_chunk(sdi, transfer->buffer + pre * 2, |
e749a8cb BV |
807 | num_samples - pre); |
808 | } | |
809 | } else { | |
810 | /* Already past the trigger point, just send it all out. */ | |
a95f142e | 811 | send_chunk(sdi, transfer->buffer, num_samples); |
e749a8cb BV |
812 | } |
813 | ||
269971dd | 814 | devc->samp_received += num_samples; |
e749a8cb BV |
815 | |
816 | /* Everything in this transfer was either copied to the buffer or | |
817 | * sent to the session bus. */ | |
3b533202 BV |
818 | g_free(transfer->buffer); |
819 | libusb_free_transfer(transfer); | |
3b533202 | 820 | |
269971dd | 821 | if (devc->samp_received >= devc->framesize) { |
e749a8cb BV |
822 | /* That was the last chunk in this frame. Send the buffered |
823 | * pre-trigger samples out now, in one big chunk. */ | |
e98b7f1b | 824 | sr_dbg("End of frame, sending %d pre-trigger buffered samples.", |
d9251a2c | 825 | devc->samp_buffered); |
69e19dd7 | 826 | send_chunk(sdi, devc->framebuf, devc->samp_buffered); |
e749a8cb BV |
827 | |
828 | /* Mark the end of this frame. */ | |
ae88b97b | 829 | packet.type = SR_DF_FRAME_END; |
695dc859 | 830 | sr_session_send(sdi, &packet); |
ae88b97b | 831 | |
269971dd | 832 | if (devc->limit_frames && ++devc->num_frames == devc->limit_frames) { |
ae88b97b | 833 | /* Terminate session */ |
a3508e33 | 834 | devc->dev_state = STOPPING; |
ae88b97b | 835 | } else { |
269971dd | 836 | devc->dev_state = NEW_CAPTURE; |
ae88b97b BV |
837 | } |
838 | } | |
3b533202 BV |
839 | } |
840 | ||
841 | static int handle_event(int fd, int revents, void *cb_data) | |
842 | { | |
a3508e33 | 843 | const struct sr_dev_inst *sdi; |
ae88b97b | 844 | struct sr_datafeed_packet packet; |
3b533202 | 845 | struct timeval tv; |
4f840ce9 | 846 | struct sr_dev_driver *di; |
269971dd | 847 | struct dev_context *devc; |
4f840ce9 | 848 | struct drv_context *drvc; |
ba7dd8bb | 849 | int num_channels; |
6e6eeff4 BV |
850 | uint32_t trigger_offset; |
851 | uint8_t capturestate; | |
3b533202 | 852 | |
3b533202 BV |
853 | (void)fd; |
854 | (void)revents; | |
855 | ||
269971dd | 856 | sdi = cb_data; |
4f840ce9 | 857 | di = sdi->driver; |
41812aca | 858 | drvc = di->context; |
269971dd | 859 | devc = sdi->priv; |
a3508e33 BV |
860 | if (devc->dev_state == STOPPING) { |
861 | /* We've been told to wind up the acquisition. */ | |
e98b7f1b UH |
862 | sr_dbg("Stopping acquisition."); |
863 | /* | |
864 | * TODO: Doesn't really cancel pending transfers so they might | |
865 | * come in after SR_DF_END is sent. | |
866 | */ | |
102f1239 | 867 | usb_source_remove(sdi->session, drvc->sr_ctx); |
a3508e33 | 868 | |
bee2b016 | 869 | std_session_send_df_end(sdi); |
a3508e33 BV |
870 | |
871 | devc->dev_state = IDLE; | |
872 | ||
873 | return TRUE; | |
874 | } | |
875 | ||
3b533202 BV |
876 | /* Always handle pending libusb events. */ |
877 | tv.tv_sec = tv.tv_usec = 0; | |
d4abb463 | 878 | libusb_handle_events_timeout(drvc->sr_ctx->libusb_ctx, &tv); |
3b533202 | 879 | |
3b533202 | 880 | /* TODO: ugh */ |
269971dd | 881 | if (devc->dev_state == NEW_CAPTURE) { |
c118080b | 882 | if (dso_capture_start(sdi) != SR_OK) |
3b533202 | 883 | return TRUE; |
c118080b | 884 | if (dso_enable_trigger(sdi) != SR_OK) |
3b533202 | 885 | return TRUE; |
c118080b | 886 | // if (dso_force_trigger(sdi) != SR_OK) |
a370ef19 | 887 | // return TRUE; |
e98b7f1b | 888 | sr_dbg("Successfully requested next chunk."); |
269971dd | 889 | devc->dev_state = CAPTURE; |
3b533202 BV |
890 | return TRUE; |
891 | } | |
269971dd | 892 | if (devc->dev_state != CAPTURE) |
3b533202 BV |
893 | return TRUE; |
894 | ||
c118080b | 895 | if ((dso_get_capturestate(sdi, &capturestate, &trigger_offset)) != SR_OK) |
3b533202 | 896 | return TRUE; |
3b533202 | 897 | |
e98b7f1b UH |
898 | sr_dbg("Capturestate %d.", capturestate); |
899 | sr_dbg("Trigger offset 0x%.6x.", trigger_offset); | |
3b533202 BV |
900 | switch (capturestate) { |
901 | case CAPTURE_EMPTY: | |
269971dd BV |
902 | if (++devc->capture_empty_count >= MAX_CAPTURE_EMPTY) { |
903 | devc->capture_empty_count = 0; | |
c118080b | 904 | if (dso_capture_start(sdi) != SR_OK) |
3b533202 | 905 | break; |
c118080b | 906 | if (dso_enable_trigger(sdi) != SR_OK) |
3b533202 | 907 | break; |
c118080b | 908 | // if (dso_force_trigger(sdi) != SR_OK) |
a370ef19 | 909 | // break; |
e98b7f1b | 910 | sr_dbg("Successfully requested next chunk."); |
3b533202 BV |
911 | } |
912 | break; | |
913 | case CAPTURE_FILLING: | |
e98b7f1b | 914 | /* No data yet. */ |
3b533202 BV |
915 | break; |
916 | case CAPTURE_READY_8BIT: | |
e749a8cb | 917 | /* Remember where in the captured frame the trigger is. */ |
269971dd | 918 | devc->trigger_offset = trigger_offset; |
e749a8cb | 919 | |
417412c8 | 920 | num_channels = (devc->ch_enabled[0] && devc->ch_enabled[1]) ? 2 : 1; |
a95f142e | 921 | devc->framebuf = g_malloc(devc->framesize * num_channels * 2); |
269971dd | 922 | devc->samp_buffered = devc->samp_received = 0; |
e749a8cb | 923 | |
3b533202 | 924 | /* Tell the scope to send us the first frame. */ |
69e19dd7 | 925 | if (dso_get_channeldata(sdi, receive_transfer) != SR_OK) |
3b533202 | 926 | break; |
ae88b97b | 927 | |
e98b7f1b UH |
928 | /* |
929 | * Don't hit the state machine again until we're done fetching | |
ae88b97b BV |
930 | * the data we just told the scope to send. |
931 | */ | |
269971dd | 932 | devc->dev_state = FETCH_DATA; |
ae88b97b BV |
933 | |
934 | /* Tell the frontend a new frame is on the way. */ | |
935 | packet.type = SR_DF_FRAME_BEGIN; | |
269971dd | 936 | sr_session_send(sdi, &packet); |
3b533202 BV |
937 | break; |
938 | case CAPTURE_READY_9BIT: | |
939 | /* TODO */ | |
e98b7f1b | 940 | sr_err("Not yet supported."); |
3b533202 BV |
941 | break; |
942 | case CAPTURE_TIMEOUT: | |
943 | /* Doesn't matter, we'll try again next time. */ | |
944 | break; | |
945 | default: | |
e98b7f1b UH |
946 | sr_dbg("Unknown capture state: %d.", capturestate); |
947 | break; | |
3b533202 BV |
948 | } |
949 | ||
950 | return TRUE; | |
951 | } | |
952 | ||
695dc859 | 953 | static int dev_acquisition_start(const struct sr_dev_inst *sdi) |
3b533202 | 954 | { |
269971dd | 955 | struct dev_context *devc; |
4f840ce9 | 956 | struct sr_dev_driver *di = sdi->driver; |
41812aca | 957 | struct drv_context *drvc = di->context; |
3b533202 | 958 | |
3b533202 | 959 | if (sdi->status != SR_ST_ACTIVE) |
e73ffd42 | 960 | return SR_ERR_DEV_CLOSED; |
3b533202 | 961 | |
269971dd | 962 | devc = sdi->priv; |
3b533202 | 963 | |
ba7dd8bb UH |
964 | if (configure_channels(sdi) != SR_OK) { |
965 | sr_err("Failed to configure channels."); | |
014359e3 BV |
966 | return SR_ERR; |
967 | } | |
968 | ||
c118080b | 969 | if (dso_init(sdi) != SR_OK) |
3b533202 BV |
970 | return SR_ERR; |
971 | ||
c118080b | 972 | if (dso_capture_start(sdi) != SR_OK) |
3b533202 BV |
973 | return SR_ERR; |
974 | ||
269971dd | 975 | devc->dev_state = CAPTURE; |
102f1239 | 976 | usb_source_add(sdi->session, drvc->sr_ctx, TICK, handle_event, (void *)sdi); |
3b533202 | 977 | |
bee2b016 | 978 | std_session_send_df_header(sdi); |
3b533202 | 979 | |
3b533202 BV |
980 | return SR_OK; |
981 | } | |
982 | ||
695dc859 | 983 | static int dev_acquisition_stop(struct sr_dev_inst *sdi) |
3b533202 | 984 | { |
269971dd BV |
985 | struct dev_context *devc; |
986 | ||
3b533202 BV |
987 | if (sdi->status != SR_ST_ACTIVE) |
988 | return SR_ERR; | |
989 | ||
a3508e33 BV |
990 | devc = sdi->priv; |
991 | devc->dev_state = STOPPING; | |
3b533202 BV |
992 | |
993 | return SR_OK; | |
994 | } | |
995 | ||
dd5c48a6 | 996 | static struct sr_dev_driver hantek_dso_driver_info = { |
3b533202 BV |
997 | .name = "hantek-dso", |
998 | .longname = "Hantek DSO", | |
999 | .api_version = 1, | |
c2fdcc25 | 1000 | .init = std_init, |
700d6b64 | 1001 | .cleanup = std_cleanup, |
6078d2c9 | 1002 | .scan = scan, |
c01bf34c | 1003 | .dev_list = std_dev_list, |
3b412e3a | 1004 | .dev_clear = dev_clear, |
79917848 | 1005 | .config_get = config_get, |
035a1078 | 1006 | .config_set = config_set, |
a1c743fc | 1007 | .config_list = config_list, |
6078d2c9 UH |
1008 | .dev_open = dev_open, |
1009 | .dev_close = dev_close, | |
1010 | .dev_acquisition_start = dev_acquisition_start, | |
1011 | .dev_acquisition_stop = dev_acquisition_stop, | |
41812aca | 1012 | .context = NULL, |
3b533202 | 1013 | }; |
dd5c48a6 | 1014 | SR_REGISTER_DEV_DRIVER(hantek_dso_driver_info); |