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3b533202 BV |
1 | /* |
2 | * This file is part of the sigrok project. | |
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 | |
f627afd6 | 40 | static const int32_t devopts[] = { |
1953564a | 41 | SR_CONF_OSCILLOSCOPE, |
be6db330 | 42 | SR_CONF_LIMIT_FRAMES, |
1953564a BV |
43 | SR_CONF_CONTINUOUS, |
44 | SR_CONF_TIMEBASE, | |
45 | SR_CONF_BUFFERSIZE, | |
46 | SR_CONF_TRIGGER_SOURCE, | |
47 | SR_CONF_TRIGGER_SLOPE, | |
48 | SR_CONF_HORIZ_TRIGGERPOS, | |
49 | SR_CONF_FILTER, | |
50 | SR_CONF_VDIV, | |
51 | SR_CONF_COUPLING, | |
3b533202 BV |
52 | }; |
53 | ||
54 | static const char *probe_names[] = { | |
78693401 | 55 | "CH1", "CH2", |
3b533202 BV |
56 | NULL, |
57 | }; | |
58 | ||
034accb5 BV |
59 | static const uint64_t buffersizes_32k[] = { |
60 | 10240, 32768, | |
61 | }; | |
62 | static const uint64_t buffersizes_512k[] = { | |
63 | 10240, 524288, | |
64 | }; | |
65 | static const uint64_t buffersizes_14k[] = { | |
66 | 10240, 14336, | |
67 | }; | |
68 | ||
62bb8840 | 69 | static const struct dso_profile dev_profiles[] = { |
88a13f30 | 70 | { 0x04b4, 0x2090, 0x04b5, 0x2090, |
3b533202 | 71 | "Hantek", "DSO-2090", |
034accb5 | 72 | buffersizes_32k, |
7b78b2f7 | 73 | FIRMWARE_DIR "/hantek-dso-2090.fw" }, |
88a13f30 BV |
74 | { 0x04b4, 0x2150, 0x04b5, 0x2150, |
75 | "Hantek", "DSO-2150", | |
034accb5 | 76 | buffersizes_32k, |
7b78b2f7 | 77 | FIRMWARE_DIR "/hantek-dso-2150.fw" }, |
88a13f30 BV |
78 | { 0x04b4, 0x2250, 0x04b5, 0x2250, |
79 | "Hantek", "DSO-2250", | |
034accb5 | 80 | buffersizes_512k, |
7b78b2f7 | 81 | FIRMWARE_DIR "/hantek-dso-2250.fw" }, |
88a13f30 BV |
82 | { 0x04b4, 0x5200, 0x04b5, 0x5200, |
83 | "Hantek", "DSO-5200", | |
034accb5 | 84 | buffersizes_14k, |
7b78b2f7 | 85 | FIRMWARE_DIR "/hantek-dso-5200.fw" }, |
88a13f30 BV |
86 | { 0x04b4, 0x520a, 0x04b5, 0x520a, |
87 | "Hantek", "DSO-5200A", | |
034accb5 | 88 | buffersizes_512k, |
7b78b2f7 | 89 | FIRMWARE_DIR "/hantek-dso-5200A.fw" }, |
034accb5 | 90 | { 0, 0, 0, 0, 0, 0, 0, 0 }, |
a370ef19 BV |
91 | }; |
92 | ||
86bb3f4a | 93 | static const uint64_t timebases[][2] = { |
a370ef19 BV |
94 | /* microseconds */ |
95 | { 10, 1000000 }, | |
96 | { 20, 1000000 }, | |
97 | { 40, 1000000 }, | |
98 | { 100, 1000000 }, | |
99 | { 200, 1000000 }, | |
100 | { 400, 1000000 }, | |
101 | /* milliseconds */ | |
102 | { 1, 1000 }, | |
103 | { 2, 1000 }, | |
104 | { 4, 1000 }, | |
105 | { 10, 1000 }, | |
106 | { 20, 1000 }, | |
107 | { 40, 1000 }, | |
108 | { 100, 1000 }, | |
109 | { 200, 1000 }, | |
110 | { 400, 1000 }, | |
a370ef19 BV |
111 | }; |
112 | ||
86bb3f4a | 113 | static const uint64_t vdivs[][2] = { |
313deed2 BV |
114 | /* millivolts */ |
115 | { 10, 1000 }, | |
116 | { 20, 1000 }, | |
117 | { 50, 1000 }, | |
118 | { 100, 1000 }, | |
119 | { 200, 1000 }, | |
120 | { 500, 1000 }, | |
121 | /* volts */ | |
122 | { 1, 1 }, | |
123 | { 2, 1 }, | |
124 | { 5, 1 }, | |
313deed2 BV |
125 | }; |
126 | ||
62bb8840 | 127 | static const char *trigger_sources[] = { |
a370ef19 BV |
128 | "CH1", |
129 | "CH2", | |
130 | "EXT", | |
88a13f30 | 131 | /* TODO: forced */ |
a370ef19 | 132 | }; |
3b533202 | 133 | |
62bb8840 | 134 | static const char *filter_targets[] = { |
ebb781a6 BV |
135 | "CH1", |
136 | "CH2", | |
137 | /* TODO: "TRIGGER", */ | |
ebb781a6 BV |
138 | }; |
139 | ||
62bb8840 | 140 | static const char *coupling[] = { |
b58fbd99 BV |
141 | "AC", |
142 | "DC", | |
143 | "GND", | |
b58fbd99 BV |
144 | }; |
145 | ||
982947f7 | 146 | SR_PRIV struct sr_dev_driver hantek_dso_driver_info; |
a873c594 | 147 | static struct sr_dev_driver *di = &hantek_dso_driver_info; |
e98b7f1b | 148 | |
69b07d14 | 149 | static int hw_dev_acquisition_stop(struct sr_dev_inst *sdi, void *cb_data); |
3b533202 | 150 | |
62bb8840 | 151 | static struct sr_dev_inst *dso_dev_new(int index, const struct dso_profile *prof) |
3b533202 BV |
152 | { |
153 | struct sr_dev_inst *sdi; | |
87ca93c5 | 154 | struct sr_probe *probe; |
269971dd BV |
155 | struct drv_context *drvc; |
156 | struct dev_context *devc; | |
87ca93c5 | 157 | int i; |
3b533202 BV |
158 | |
159 | sdi = sr_dev_inst_new(index, SR_ST_INITIALIZING, | |
88a13f30 | 160 | prof->vendor, prof->model, NULL); |
3b533202 BV |
161 | if (!sdi) |
162 | return NULL; | |
a873c594 | 163 | sdi->driver = di; |
3b533202 | 164 | |
e98b7f1b UH |
165 | /* |
166 | * Add only the real probes -- EXT isn't a source of data, only | |
87ca93c5 BV |
167 | * a trigger source internal to the device. |
168 | */ | |
169 | for (i = 0; probe_names[i]; i++) { | |
170 | if (!(probe = sr_probe_new(i, SR_PROBE_ANALOG, TRUE, | |
171 | probe_names[i]))) | |
172 | return NULL; | |
173 | sdi->probes = g_slist_append(sdi->probes, probe); | |
174 | } | |
175 | ||
269971dd | 176 | if (!(devc = g_try_malloc0(sizeof(struct dev_context)))) { |
e98b7f1b | 177 | sr_err("Device context malloc failed."); |
3b533202 BV |
178 | return NULL; |
179 | } | |
e98b7f1b | 180 | |
269971dd BV |
181 | devc->profile = prof; |
182 | devc->dev_state = IDLE; | |
183 | devc->timebase = DEFAULT_TIMEBASE; | |
184 | devc->ch1_enabled = TRUE; | |
185 | devc->ch2_enabled = TRUE; | |
186 | devc->voltage_ch1 = DEFAULT_VOLTAGE; | |
187 | devc->voltage_ch2 = DEFAULT_VOLTAGE; | |
188 | devc->coupling_ch1 = DEFAULT_COUPLING; | |
189 | devc->coupling_ch2 = DEFAULT_COUPLING; | |
190 | devc->voffset_ch1 = DEFAULT_VERT_OFFSET; | |
191 | devc->voffset_ch2 = DEFAULT_VERT_OFFSET; | |
192 | devc->voffset_trigger = DEFAULT_VERT_TRIGGERPOS; | |
193 | devc->framesize = DEFAULT_FRAMESIZE; | |
194 | devc->triggerslope = SLOPE_POSITIVE; | |
195 | devc->triggersource = g_strdup(DEFAULT_TRIGGER_SOURCE); | |
196 | devc->triggerposition = DEFAULT_HORIZ_TRIGGERPOS; | |
197 | sdi->priv = devc; | |
a873c594 | 198 | drvc = di->priv; |
269971dd | 199 | drvc->instances = g_slist_append(drvc->instances, sdi); |
3b533202 BV |
200 | |
201 | return sdi; | |
202 | } | |
203 | ||
014359e3 | 204 | static int configure_probes(const struct sr_dev_inst *sdi) |
3b533202 | 205 | { |
014359e3 | 206 | struct dev_context *devc; |
69e19dd7 | 207 | struct sr_probe *probe; |
62bb8840 | 208 | const GSList *l; |
69e19dd7 | 209 | int p; |
3b533202 | 210 | |
014359e3 BV |
211 | devc = sdi->priv; |
212 | ||
69e19dd7 | 213 | g_slist_free(devc->enabled_probes); |
269971dd | 214 | devc->ch1_enabled = devc->ch2_enabled = FALSE; |
69e19dd7 BV |
215 | for (l = sdi->probes, p = 0; l; l = l->next, p++) { |
216 | probe = l->data; | |
217 | if (p == 0) | |
269971dd | 218 | devc->ch1_enabled = probe->enabled; |
69e19dd7 | 219 | else |
269971dd | 220 | devc->ch2_enabled = probe->enabled; |
69e19dd7 BV |
221 | if (probe->enabled) |
222 | devc->enabled_probes = g_slist_append(devc->enabled_probes, probe); | |
3b533202 BV |
223 | } |
224 | ||
225 | return SR_OK; | |
226 | } | |
227 | ||
39cfdd75 | 228 | /* Properly close and free all devices. */ |
811deee4 | 229 | static int clear_instances(void) |
39cfdd75 BV |
230 | { |
231 | struct sr_dev_inst *sdi; | |
269971dd BV |
232 | struct drv_context *drvc; |
233 | struct dev_context *devc; | |
39cfdd75 BV |
234 | GSList *l; |
235 | ||
a873c594 | 236 | drvc = di->priv; |
269971dd | 237 | for (l = drvc->instances; l; l = l->next) { |
39cfdd75 BV |
238 | if (!(sdi = l->data)) { |
239 | /* Log error, but continue cleaning up the rest. */ | |
e98b7f1b | 240 | sr_err("%s: sdi was NULL, continuing", __func__); |
39cfdd75 BV |
241 | continue; |
242 | } | |
269971dd | 243 | if (!(devc = sdi->priv)) { |
39cfdd75 | 244 | /* Log error, but continue cleaning up the rest. */ |
e98b7f1b | 245 | sr_err("%s: sdi->priv was NULL, continuing", __func__); |
39cfdd75 BV |
246 | continue; |
247 | } | |
248 | dso_close(sdi); | |
269971dd BV |
249 | sr_usb_dev_inst_free(devc->usb); |
250 | g_free(devc->triggersource); | |
69e19dd7 | 251 | g_slist_free(devc->enabled_probes); |
39cfdd75 BV |
252 | |
253 | sr_dev_inst_free(sdi); | |
254 | } | |
255 | ||
269971dd BV |
256 | g_slist_free(drvc->instances); |
257 | drvc->instances = NULL; | |
39cfdd75 | 258 | |
811deee4 | 259 | return SR_OK; |
39cfdd75 BV |
260 | } |
261 | ||
34f06b90 | 262 | static int hw_init(struct sr_context *sr_ctx) |
61136ea6 | 263 | { |
063e7aef | 264 | return std_hw_init(sr_ctx, di, DRIVER_LOG_DOMAIN); |
61136ea6 BV |
265 | } |
266 | ||
39cfdd75 | 267 | static GSList *hw_scan(GSList *options) |
3b533202 BV |
268 | { |
269 | struct sr_dev_inst *sdi; | |
62bb8840 | 270 | const struct dso_profile *prof; |
269971dd BV |
271 | struct drv_context *drvc; |
272 | struct dev_context *devc; | |
39cfdd75 BV |
273 | GSList *devices; |
274 | struct libusb_device_descriptor des; | |
3b533202 | 275 | libusb_device **devlist; |
61136ea6 | 276 | int devcnt, ret, i, j; |
3b533202 | 277 | |
39cfdd75 | 278 | (void)options; |
e98b7f1b | 279 | |
a873c594 | 280 | drvc = di->priv; |
269971dd | 281 | drvc->instances = NULL; |
39cfdd75 | 282 | |
4b97c74e UH |
283 | devcnt = 0; |
284 | devices = 0; | |
285 | ||
39cfdd75 BV |
286 | clear_instances(); |
287 | ||
288 | /* Find all Hantek DSO devices and upload firmware to all of them. */ | |
d4abb463 | 289 | libusb_get_device_list(drvc->sr_ctx->libusb_ctx, &devlist); |
3b533202 | 290 | for (i = 0; devlist[i]; i++) { |
61136ea6 | 291 | if ((ret = libusb_get_device_descriptor(devlist[i], &des))) { |
d4928d71 PS |
292 | sr_err("Failed to get device descriptor: %s.", |
293 | libusb_error_name(ret)); | |
3b533202 BV |
294 | continue; |
295 | } | |
296 | ||
297 | prof = NULL; | |
298 | for (j = 0; dev_profiles[j].orig_vid; j++) { | |
299 | if (des.idVendor == dev_profiles[j].orig_vid | |
300 | && des.idProduct == dev_profiles[j].orig_pid) { | |
301 | /* Device matches the pre-firmware profile. */ | |
302 | prof = &dev_profiles[j]; | |
e98b7f1b | 303 | sr_dbg("Found a %s %s.", prof->vendor, prof->model); |
3b533202 | 304 | sdi = dso_dev_new(devcnt, prof); |
39cfdd75 | 305 | devices = g_slist_append(devices, sdi); |
269971dd | 306 | devc = sdi->priv; |
3b533202 BV |
307 | if (ezusb_upload_firmware(devlist[i], USB_CONFIGURATION, |
308 | prof->firmware) == SR_OK) | |
309 | /* Remember when the firmware on this device was updated */ | |
269971dd | 310 | devc->fw_updated = g_get_monotonic_time(); |
3b533202 | 311 | else |
e98b7f1b UH |
312 | sr_err("Firmware upload failed for " |
313 | "device %d.", devcnt); | |
3b533202 | 314 | /* Dummy USB address of 0xff will get overwritten later. */ |
269971dd | 315 | devc->usb = sr_usb_dev_inst_new( |
3b533202 BV |
316 | libusb_get_bus_number(devlist[i]), 0xff, NULL); |
317 | devcnt++; | |
318 | break; | |
319 | } else if (des.idVendor == dev_profiles[j].fw_vid | |
320 | && des.idProduct == dev_profiles[j].fw_pid) { | |
321 | /* Device matches the post-firmware profile. */ | |
322 | prof = &dev_profiles[j]; | |
e98b7f1b | 323 | sr_dbg("Found a %s %s.", prof->vendor, prof->model); |
3b533202 BV |
324 | sdi = dso_dev_new(devcnt, prof); |
325 | sdi->status = SR_ST_INACTIVE; | |
39cfdd75 | 326 | devices = g_slist_append(devices, sdi); |
269971dd BV |
327 | devc = sdi->priv; |
328 | devc->usb = sr_usb_dev_inst_new( | |
3b533202 BV |
329 | libusb_get_bus_number(devlist[i]), |
330 | libusb_get_device_address(devlist[i]), NULL); | |
331 | devcnt++; | |
332 | break; | |
333 | } | |
334 | } | |
335 | if (!prof) | |
336 | /* not a supported VID/PID */ | |
337 | continue; | |
338 | } | |
339 | libusb_free_device_list(devlist, 1); | |
340 | ||
39cfdd75 | 341 | return devices; |
3b533202 BV |
342 | } |
343 | ||
811deee4 BV |
344 | static GSList *hw_dev_list(void) |
345 | { | |
0e94d524 | 346 | return ((struct drv_context *)(di->priv))->instances; |
811deee4 BV |
347 | } |
348 | ||
25a0f108 | 349 | static int hw_dev_open(struct sr_dev_inst *sdi) |
3b533202 | 350 | { |
269971dd | 351 | struct dev_context *devc; |
fc8fe3e3 BV |
352 | int64_t timediff_us, timediff_ms; |
353 | int err; | |
3b533202 | 354 | |
269971dd | 355 | devc = sdi->priv; |
3b533202 BV |
356 | |
357 | /* | |
e98b7f1b UH |
358 | * If the firmware was recently uploaded, wait up to MAX_RENUM_DELAY_MS |
359 | * for the FX2 to renumerate. | |
3b533202 | 360 | */ |
fc8fe3e3 | 361 | err = SR_ERR; |
269971dd | 362 | if (devc->fw_updated > 0) { |
e98b7f1b UH |
363 | sr_info("Waiting for device to reset."); |
364 | /* Takes >= 300ms for the FX2 to be gone from the USB bus. */ | |
3b533202 | 365 | g_usleep(300 * 1000); |
fc8fe3e3 BV |
366 | timediff_ms = 0; |
367 | while (timediff_ms < MAX_RENUM_DELAY_MS) { | |
25a0f108 | 368 | if ((err = dso_open(sdi)) == SR_OK) |
3b533202 BV |
369 | break; |
370 | g_usleep(100 * 1000); | |
269971dd | 371 | timediff_us = g_get_monotonic_time() - devc->fw_updated; |
fc8fe3e3 | 372 | timediff_ms = timediff_us / 1000; |
e98b7f1b | 373 | sr_spew("Waited %" PRIi64 " ms.", timediff_ms); |
3b533202 | 374 | } |
e98b7f1b | 375 | sr_info("Device came back after %d ms.", timediff_ms); |
3b533202 | 376 | } else { |
25a0f108 | 377 | err = dso_open(sdi); |
3b533202 BV |
378 | } |
379 | ||
380 | if (err != SR_OK) { | |
e98b7f1b | 381 | sr_err("Unable to open device."); |
3b533202 BV |
382 | return SR_ERR; |
383 | } | |
384 | ||
269971dd | 385 | err = libusb_claim_interface(devc->usb->devhdl, USB_INTERFACE); |
3b533202 | 386 | if (err != 0) { |
d4928d71 PS |
387 | sr_err("Unable to claim interface: %s.", |
388 | libusb_error_name(err)); | |
3b533202 BV |
389 | return SR_ERR; |
390 | } | |
391 | ||
392 | return SR_OK; | |
393 | } | |
394 | ||
25a0f108 | 395 | static int hw_dev_close(struct sr_dev_inst *sdi) |
3b533202 | 396 | { |
3b533202 BV |
397 | dso_close(sdi); |
398 | ||
399 | return SR_OK; | |
400 | } | |
401 | ||
402 | static int hw_cleanup(void) | |
403 | { | |
269971dd BV |
404 | struct drv_context *drvc; |
405 | ||
a873c594 | 406 | if (!(drvc = di->priv)) |
269971dd | 407 | return SR_OK; |
3b533202 | 408 | |
39cfdd75 | 409 | clear_instances(); |
3b533202 | 410 | |
3b533202 BV |
411 | return SR_OK; |
412 | } | |
413 | ||
f627afd6 | 414 | static int config_set(int id, GVariant *data, const struct sr_dev_inst *sdi) |
3b533202 | 415 | { |
269971dd | 416 | struct dev_context *devc; |
f627afd6 | 417 | double tmp_double; |
86bb3f4a | 418 | uint64_t tmp_u64, p, q; |
f627afd6 BV |
419 | int tmp_int, ret; |
420 | unsigned int i; | |
421 | const char *tmp_str; | |
4a090d72 | 422 | char **targets; |
3b533202 | 423 | |
3b533202 BV |
424 | if (sdi->status != SR_ST_ACTIVE) |
425 | return SR_ERR; | |
426 | ||
a370ef19 | 427 | ret = SR_OK; |
269971dd | 428 | devc = sdi->priv; |
035a1078 | 429 | switch (id) { |
1953564a | 430 | case SR_CONF_LIMIT_FRAMES: |
f627afd6 | 431 | devc->limit_frames = g_variant_get_uint64(data); |
ae88b97b | 432 | break; |
1953564a | 433 | case SR_CONF_TRIGGER_SLOPE: |
f627afd6 | 434 | tmp_u64 = g_variant_get_uint64(data); |
a370ef19 BV |
435 | if (tmp_u64 != SLOPE_NEGATIVE && tmp_u64 != SLOPE_POSITIVE) |
436 | ret = SR_ERR_ARG; | |
269971dd | 437 | devc->triggerslope = tmp_u64; |
a370ef19 | 438 | break; |
1953564a | 439 | case SR_CONF_HORIZ_TRIGGERPOS: |
f627afd6 BV |
440 | tmp_double = g_variant_get_double(data); |
441 | if (tmp_double < 0.0 || tmp_double > 1.0) { | |
e98b7f1b | 442 | sr_err("Trigger position should be between 0.0 and 1.0."); |
3b533202 | 443 | ret = SR_ERR_ARG; |
a370ef19 | 444 | } else |
f627afd6 | 445 | devc->triggerposition = tmp_double; |
a370ef19 | 446 | break; |
1953564a | 447 | case SR_CONF_BUFFERSIZE: |
f627afd6 | 448 | tmp_u64 = g_variant_get_uint64(data); |
034accb5 BV |
449 | for (i = 0; i < 2; i++) { |
450 | if (devc->profile->buffersizes[i] == tmp_u64) { | |
269971dd | 451 | devc->framesize = tmp_u64; |
a370ef19 BV |
452 | break; |
453 | } | |
454 | } | |
034accb5 | 455 | if (i == 2) |
a370ef19 BV |
456 | ret = SR_ERR_ARG; |
457 | break; | |
1953564a | 458 | case SR_CONF_TIMEBASE: |
86bb3f4a | 459 | g_variant_get(data, "(tt)", &p, &q); |
f627afd6 BV |
460 | tmp_int = -1; |
461 | for (i = 0; i < ARRAY_SIZE(timebases); i++) { | |
462 | if (timebases[i][0] == p && timebases[i][1] == q) { | |
463 | tmp_int = i; | |
a370ef19 BV |
464 | break; |
465 | } | |
466 | } | |
f627afd6 BV |
467 | if (tmp_int >= 0) |
468 | devc->timebase = tmp_int; | |
469 | else | |
a370ef19 BV |
470 | ret = SR_ERR_ARG; |
471 | break; | |
1953564a | 472 | case SR_CONF_TRIGGER_SOURCE: |
f627afd6 | 473 | tmp_str = g_variant_get_string(data, NULL); |
a370ef19 | 474 | for (i = 0; trigger_sources[i]; i++) { |
f627afd6 BV |
475 | if (!strcmp(tmp_str, trigger_sources[i])) { |
476 | devc->triggersource = g_strdup(tmp_str); | |
a370ef19 BV |
477 | break; |
478 | } | |
479 | } | |
480 | if (trigger_sources[i] == 0) | |
481 | ret = SR_ERR_ARG; | |
482 | break; | |
1953564a | 483 | case SR_CONF_FILTER: |
f627afd6 | 484 | tmp_str = g_variant_get_string(data, NULL); |
269971dd | 485 | devc->filter_ch1 = devc->filter_ch2 = devc->filter_trigger = 0; |
f627afd6 | 486 | targets = g_strsplit(tmp_str, ",", 0); |
ebb781a6 BV |
487 | for (i = 0; targets[i]; i++) { |
488 | if (targets[i] == '\0') | |
489 | /* Empty filter string can be used to clear them all. */ | |
490 | ; | |
491 | else if (!strcmp(targets[i], "CH1")) | |
269971dd | 492 | devc->filter_ch1 = TRUE; |
ebb781a6 | 493 | else if (!strcmp(targets[i], "CH2")) |
269971dd | 494 | devc->filter_ch2 = TRUE; |
ebb781a6 | 495 | else if (!strcmp(targets[i], "TRIGGER")) |
269971dd | 496 | devc->filter_trigger = TRUE; |
ebb781a6 | 497 | else { |
e98b7f1b | 498 | sr_err("Invalid filter target %s.", targets[i]); |
ebb781a6 BV |
499 | ret = SR_ERR_ARG; |
500 | } | |
501 | } | |
502 | g_strfreev(targets); | |
503 | break; | |
1953564a | 504 | case SR_CONF_VDIV: |
e98b7f1b | 505 | /* TODO: Not supporting vdiv per channel yet. */ |
86bb3f4a | 506 | g_variant_get(data, "(tt)", &p, &q); |
f627afd6 BV |
507 | tmp_int = -1; |
508 | for (i = 0; i < ARRAY_SIZE(vdivs); i++) { | |
509 | if (vdivs[i][0] == p && vdivs[i][1] == q) { | |
510 | tmp_int = i; | |
313deed2 BV |
511 | break; |
512 | } | |
513 | } | |
f627afd6 BV |
514 | if (tmp_int >= 0) { |
515 | devc->voltage_ch1 = tmp_int; | |
516 | devc->voltage_ch2 = tmp_int; | |
517 | } else | |
313deed2 BV |
518 | ret = SR_ERR_ARG; |
519 | break; | |
1953564a | 520 | case SR_CONF_COUPLING: |
f627afd6 | 521 | tmp_str = g_variant_get_string(data, NULL); |
e98b7f1b | 522 | /* TODO: Not supporting coupling per channel yet. */ |
b58fbd99 | 523 | for (i = 0; coupling[i]; i++) { |
f627afd6 | 524 | if (!strcmp(tmp_str, coupling[i])) { |
269971dd BV |
525 | devc->coupling_ch1 = i; |
526 | devc->coupling_ch2 = i; | |
b58fbd99 BV |
527 | break; |
528 | } | |
529 | } | |
530 | if (coupling[i] == 0) | |
531 | ret = SR_ERR_ARG; | |
532 | break; | |
3b533202 BV |
533 | default: |
534 | ret = SR_ERR_ARG; | |
e98b7f1b | 535 | break; |
3b533202 BV |
536 | } |
537 | ||
538 | return ret; | |
539 | } | |
540 | ||
f627afd6 | 541 | static int config_list(int key, GVariant **data, const struct sr_dev_inst *sdi) |
a1c743fc | 542 | { |
034accb5 | 543 | struct dev_context *devc; |
a1c743fc BV |
544 | |
545 | (void)sdi; | |
546 | ||
034accb5 BV |
547 | if (!sdi) |
548 | return SR_ERR_ARG; | |
549 | ||
550 | devc = sdi->priv; | |
a1c743fc | 551 | switch (key) { |
9a6517d1 | 552 | case SR_CONF_DEVICE_OPTIONS: |
f627afd6 BV |
553 | *data = g_variant_new_fixed_array(G_VARIANT_TYPE_INT32, |
554 | devopts, ARRAY_SIZE(devopts), sizeof(int32_t)); | |
9a6517d1 | 555 | break; |
6d1ceffa | 556 | case SR_CONF_BUFFERSIZE: |
f627afd6 | 557 | *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT64, |
034accb5 | 558 | devc->profile->buffersizes, 2, sizeof(uint64_t)); |
6d1ceffa | 559 | break; |
2a7b113d | 560 | case SR_CONF_COUPLING: |
f627afd6 | 561 | *data = g_variant_new_strv(coupling, ARRAY_SIZE(coupling)); |
2a7b113d | 562 | break; |
e4f2b2ad | 563 | case SR_CONF_VDIV: |
86bb3f4a BV |
564 | *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT64, |
565 | vdivs, ARRAY_SIZE(vdivs) * 2, sizeof(uint64_t)); | |
e4f2b2ad | 566 | break; |
6e1fbcc4 | 567 | case SR_CONF_FILTER: |
f627afd6 BV |
568 | *data = g_variant_new_strv(filter_targets, |
569 | ARRAY_SIZE(filter_targets)); | |
6e1fbcc4 | 570 | break; |
41f5bd09 | 571 | case SR_CONF_TIMEBASE: |
86bb3f4a BV |
572 | *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT64, |
573 | timebases, ARRAY_SIZE(timebases) * 2, sizeof(uint64_t)); | |
41f5bd09 | 574 | break; |
328bafab | 575 | case SR_CONF_TRIGGER_SOURCE: |
f627afd6 BV |
576 | *data = g_variant_new_strv(trigger_sources, |
577 | ARRAY_SIZE(trigger_sources)); | |
328bafab | 578 | break; |
a1c743fc BV |
579 | default: |
580 | return SR_ERR_ARG; | |
581 | } | |
582 | ||
583 | return SR_OK; | |
584 | } | |
585 | ||
69e19dd7 | 586 | static void send_chunk(struct sr_dev_inst *sdi, unsigned char *buf, |
e749a8cb | 587 | int num_samples) |
3b533202 BV |
588 | { |
589 | struct sr_datafeed_packet packet; | |
590 | struct sr_datafeed_analog analog; | |
69e19dd7 | 591 | struct dev_context *devc; |
c5841b28 | 592 | float ch1, ch2, range; |
6e71ef3b | 593 | int num_probes, data_offset, i; |
3b533202 | 594 | |
69e19dd7 | 595 | devc = sdi->priv; |
269971dd | 596 | num_probes = (devc->ch1_enabled && devc->ch2_enabled) ? 2 : 1; |
3b533202 BV |
597 | packet.type = SR_DF_ANALOG; |
598 | packet.payload = &analog; | |
6e71ef3b | 599 | /* TODO: support for 5xxx series 9-bit samples */ |
69e19dd7 | 600 | analog.probes = devc->enabled_probes; |
e749a8cb | 601 | analog.num_samples = num_samples; |
9956f285 UH |
602 | analog.mq = SR_MQ_VOLTAGE; |
603 | analog.unit = SR_UNIT_VOLT; | |
886a52b6 | 604 | /* TODO: Check malloc return value. */ |
6e71ef3b BV |
605 | analog.data = g_try_malloc(analog.num_samples * sizeof(float) * num_probes); |
606 | data_offset = 0; | |
3b533202 | 607 | for (i = 0; i < analog.num_samples; i++) { |
e98b7f1b UH |
608 | /* |
609 | * The device always sends data for both channels. If a channel | |
6e71ef3b | 610 | * is disabled, it contains a copy of the enabled channel's |
e98b7f1b UH |
611 | * data. However, we only send the requested channels to |
612 | * the bus. | |
c5841b28 | 613 | * |
e98b7f1b UH |
614 | * Voltage values are encoded as a value 0-255 (0-512 on the |
615 | * DSO-5200*), where the value is a point in the range | |
616 | * represented by the vdiv setting. There are 8 vertical divs, | |
617 | * so e.g. 500mV/div represents 4V peak-to-peak where 0 = -2V | |
618 | * and 255 = +2V. | |
6e71ef3b | 619 | */ |
e98b7f1b | 620 | /* TODO: Support for DSO-5xxx series 9-bit samples. */ |
269971dd | 621 | if (devc->ch1_enabled) { |
f627afd6 | 622 | range = ((float)vdivs[devc->voltage_ch1][0] / vdivs[devc->voltage_ch1][1]) * 8; |
e749a8cb | 623 | ch1 = range / 255 * *(buf + i * 2 + 1); |
c5841b28 BV |
624 | /* Value is centered around 0V. */ |
625 | ch1 -= range / 2; | |
6e71ef3b BV |
626 | analog.data[data_offset++] = ch1; |
627 | } | |
269971dd | 628 | if (devc->ch2_enabled) { |
f627afd6 | 629 | range = ((float)vdivs[devc->voltage_ch2][0] / vdivs[devc->voltage_ch2][1]) * 8; |
e749a8cb | 630 | ch2 = range / 255 * *(buf + i * 2); |
c5841b28 | 631 | ch2 -= range / 2; |
6e71ef3b BV |
632 | analog.data[data_offset++] = ch2; |
633 | } | |
3b533202 | 634 | } |
269971dd | 635 | sr_session_send(devc->cb_data, &packet); |
e749a8cb BV |
636 | } |
637 | ||
e98b7f1b UH |
638 | /* |
639 | * Called by libusb (as triggered by handle_event()) when a transfer comes in. | |
e749a8cb | 640 | * Only channel data comes in asynchronously, and all transfers for this are |
e98b7f1b | 641 | * queued up beforehand, so this just needs to chuck the incoming data onto |
e749a8cb BV |
642 | * the libsigrok session bus. |
643 | */ | |
644 | static void receive_transfer(struct libusb_transfer *transfer) | |
645 | { | |
646 | struct sr_datafeed_packet packet; | |
69e19dd7 | 647 | struct sr_dev_inst *sdi; |
269971dd | 648 | struct dev_context *devc; |
e749a8cb BV |
649 | int num_samples, pre; |
650 | ||
69e19dd7 BV |
651 | sdi = transfer->user_data; |
652 | devc = sdi->priv; | |
d4007311 | 653 | sr_spew("receive_transfer(): status %d received %d bytes.", |
e98b7f1b | 654 | transfer->status, transfer->actual_length); |
e749a8cb BV |
655 | |
656 | if (transfer->actual_length == 0) | |
657 | /* Nothing to send to the bus. */ | |
658 | return; | |
659 | ||
660 | num_samples = transfer->actual_length / 2; | |
661 | ||
d4007311 | 662 | sr_spew("Got %d-%d/%d samples in frame.", devc->samp_received + 1, |
e98b7f1b | 663 | devc->samp_received + num_samples, devc->framesize); |
e749a8cb | 664 | |
e98b7f1b UH |
665 | /* |
666 | * The device always sends a full frame, but the beginning of the frame | |
e749a8cb BV |
667 | * doesn't represent the trigger point. The offset at which the trigger |
668 | * happened came in with the capture state, so we need to start sending | |
e98b7f1b UH |
669 | * from there up the session bus. The samples in the frame buffer |
670 | * before that trigger point came after the end of the device's frame | |
671 | * buffer was reached, and it wrapped around to overwrite up until the | |
672 | * trigger point. | |
e749a8cb | 673 | */ |
269971dd | 674 | if (devc->samp_received < devc->trigger_offset) { |
e749a8cb | 675 | /* Trigger point not yet reached. */ |
269971dd | 676 | if (devc->samp_received + num_samples < devc->trigger_offset) { |
e749a8cb | 677 | /* The entire chunk is before the trigger point. */ |
269971dd | 678 | memcpy(devc->framebuf + devc->samp_buffered * 2, |
e749a8cb | 679 | transfer->buffer, num_samples * 2); |
269971dd | 680 | devc->samp_buffered += num_samples; |
e749a8cb | 681 | } else { |
e98b7f1b UH |
682 | /* |
683 | * This chunk hits or overruns the trigger point. | |
e749a8cb | 684 | * Store the part before the trigger fired, and |
e98b7f1b UH |
685 | * send the rest up to the session bus. |
686 | */ | |
269971dd BV |
687 | pre = devc->trigger_offset - devc->samp_received; |
688 | memcpy(devc->framebuf + devc->samp_buffered * 2, | |
e749a8cb | 689 | transfer->buffer, pre * 2); |
269971dd | 690 | devc->samp_buffered += pre; |
e749a8cb BV |
691 | |
692 | /* The rest of this chunk starts with the trigger point. */ | |
e98b7f1b UH |
693 | sr_dbg("Reached trigger point, %d samples buffered.", |
694 | devc->samp_buffered); | |
e749a8cb BV |
695 | |
696 | /* Avoid the corner case where the chunk ended at | |
697 | * exactly the trigger point. */ | |
698 | if (num_samples > pre) | |
69e19dd7 | 699 | send_chunk(sdi, transfer->buffer + pre * 2, |
e749a8cb BV |
700 | num_samples - pre); |
701 | } | |
702 | } else { | |
703 | /* Already past the trigger point, just send it all out. */ | |
69e19dd7 | 704 | send_chunk(sdi, transfer->buffer, |
e749a8cb BV |
705 | num_samples); |
706 | } | |
707 | ||
269971dd | 708 | devc->samp_received += num_samples; |
e749a8cb BV |
709 | |
710 | /* Everything in this transfer was either copied to the buffer or | |
711 | * sent to the session bus. */ | |
3b533202 BV |
712 | g_free(transfer->buffer); |
713 | libusb_free_transfer(transfer); | |
3b533202 | 714 | |
269971dd | 715 | if (devc->samp_received >= devc->framesize) { |
e749a8cb BV |
716 | /* That was the last chunk in this frame. Send the buffered |
717 | * pre-trigger samples out now, in one big chunk. */ | |
e98b7f1b UH |
718 | sr_dbg("End of frame, sending %d pre-trigger buffered samples.", |
719 | devc->samp_buffered); | |
69e19dd7 | 720 | send_chunk(sdi, devc->framebuf, devc->samp_buffered); |
e749a8cb BV |
721 | |
722 | /* Mark the end of this frame. */ | |
ae88b97b | 723 | packet.type = SR_DF_FRAME_END; |
269971dd | 724 | sr_session_send(devc->cb_data, &packet); |
ae88b97b | 725 | |
269971dd | 726 | if (devc->limit_frames && ++devc->num_frames == devc->limit_frames) { |
ae88b97b | 727 | /* Terminate session */ |
a3508e33 | 728 | devc->dev_state = STOPPING; |
ae88b97b | 729 | } else { |
269971dd | 730 | devc->dev_state = NEW_CAPTURE; |
ae88b97b BV |
731 | } |
732 | } | |
3b533202 BV |
733 | } |
734 | ||
735 | static int handle_event(int fd, int revents, void *cb_data) | |
736 | { | |
a3508e33 | 737 | const struct sr_dev_inst *sdi; |
ae88b97b | 738 | struct sr_datafeed_packet packet; |
3b533202 | 739 | struct timeval tv; |
269971dd | 740 | struct dev_context *devc; |
a873c594 | 741 | struct drv_context *drvc = di->priv; |
a3508e33 BV |
742 | const struct libusb_pollfd **lupfd; |
743 | int num_probes, i; | |
6e6eeff4 BV |
744 | uint32_t trigger_offset; |
745 | uint8_t capturestate; | |
3b533202 | 746 | |
3b533202 BV |
747 | (void)fd; |
748 | (void)revents; | |
749 | ||
269971dd BV |
750 | sdi = cb_data; |
751 | devc = sdi->priv; | |
a3508e33 BV |
752 | if (devc->dev_state == STOPPING) { |
753 | /* We've been told to wind up the acquisition. */ | |
e98b7f1b UH |
754 | sr_dbg("Stopping acquisition."); |
755 | /* | |
756 | * TODO: Doesn't really cancel pending transfers so they might | |
757 | * come in after SR_DF_END is sent. | |
758 | */ | |
d4abb463 | 759 | lupfd = libusb_get_pollfds(drvc->sr_ctx->libusb_ctx); |
a3508e33 BV |
760 | for (i = 0; lupfd[i]; i++) |
761 | sr_source_remove(lupfd[i]->fd); | |
762 | free(lupfd); | |
763 | ||
764 | packet.type = SR_DF_END; | |
765 | sr_session_send(sdi, &packet); | |
766 | ||
767 | devc->dev_state = IDLE; | |
768 | ||
769 | return TRUE; | |
770 | } | |
771 | ||
3b533202 BV |
772 | /* Always handle pending libusb events. */ |
773 | tv.tv_sec = tv.tv_usec = 0; | |
d4abb463 | 774 | libusb_handle_events_timeout(drvc->sr_ctx->libusb_ctx, &tv); |
3b533202 | 775 | |
3b533202 | 776 | /* TODO: ugh */ |
269971dd BV |
777 | if (devc->dev_state == NEW_CAPTURE) { |
778 | if (dso_capture_start(devc) != SR_OK) | |
3b533202 | 779 | return TRUE; |
269971dd | 780 | if (dso_enable_trigger(devc) != SR_OK) |
3b533202 | 781 | return TRUE; |
269971dd | 782 | // if (dso_force_trigger(devc) != SR_OK) |
a370ef19 | 783 | // return TRUE; |
e98b7f1b | 784 | sr_dbg("Successfully requested next chunk."); |
269971dd | 785 | devc->dev_state = CAPTURE; |
3b533202 BV |
786 | return TRUE; |
787 | } | |
269971dd | 788 | if (devc->dev_state != CAPTURE) |
3b533202 BV |
789 | return TRUE; |
790 | ||
269971dd | 791 | if ((dso_get_capturestate(devc, &capturestate, &trigger_offset)) != SR_OK) |
3b533202 | 792 | return TRUE; |
3b533202 | 793 | |
e98b7f1b UH |
794 | sr_dbg("Capturestate %d.", capturestate); |
795 | sr_dbg("Trigger offset 0x%.6x.", trigger_offset); | |
3b533202 BV |
796 | switch (capturestate) { |
797 | case CAPTURE_EMPTY: | |
269971dd BV |
798 | if (++devc->capture_empty_count >= MAX_CAPTURE_EMPTY) { |
799 | devc->capture_empty_count = 0; | |
800 | if (dso_capture_start(devc) != SR_OK) | |
3b533202 | 801 | break; |
269971dd | 802 | if (dso_enable_trigger(devc) != SR_OK) |
3b533202 | 803 | break; |
269971dd | 804 | // if (dso_force_trigger(devc) != SR_OK) |
a370ef19 | 805 | // break; |
e98b7f1b | 806 | sr_dbg("Successfully requested next chunk."); |
3b533202 BV |
807 | } |
808 | break; | |
809 | case CAPTURE_FILLING: | |
e98b7f1b | 810 | /* No data yet. */ |
3b533202 BV |
811 | break; |
812 | case CAPTURE_READY_8BIT: | |
e749a8cb | 813 | /* Remember where in the captured frame the trigger is. */ |
269971dd | 814 | devc->trigger_offset = trigger_offset; |
e749a8cb | 815 | |
269971dd | 816 | num_probes = (devc->ch1_enabled && devc->ch2_enabled) ? 2 : 1; |
886a52b6 | 817 | /* TODO: Check malloc return value. */ |
269971dd BV |
818 | devc->framebuf = g_try_malloc(devc->framesize * num_probes * 2); |
819 | devc->samp_buffered = devc->samp_received = 0; | |
e749a8cb | 820 | |
3b533202 | 821 | /* Tell the scope to send us the first frame. */ |
69e19dd7 | 822 | if (dso_get_channeldata(sdi, receive_transfer) != SR_OK) |
3b533202 | 823 | break; |
ae88b97b | 824 | |
e98b7f1b UH |
825 | /* |
826 | * Don't hit the state machine again until we're done fetching | |
ae88b97b BV |
827 | * the data we just told the scope to send. |
828 | */ | |
269971dd | 829 | devc->dev_state = FETCH_DATA; |
ae88b97b BV |
830 | |
831 | /* Tell the frontend a new frame is on the way. */ | |
832 | packet.type = SR_DF_FRAME_BEGIN; | |
269971dd | 833 | sr_session_send(sdi, &packet); |
3b533202 BV |
834 | break; |
835 | case CAPTURE_READY_9BIT: | |
836 | /* TODO */ | |
e98b7f1b | 837 | sr_err("Not yet supported."); |
3b533202 BV |
838 | break; |
839 | case CAPTURE_TIMEOUT: | |
840 | /* Doesn't matter, we'll try again next time. */ | |
841 | break; | |
842 | default: | |
e98b7f1b UH |
843 | sr_dbg("Unknown capture state: %d.", capturestate); |
844 | break; | |
3b533202 BV |
845 | } |
846 | ||
847 | return TRUE; | |
848 | } | |
849 | ||
3ffb6964 | 850 | static int hw_dev_acquisition_start(const struct sr_dev_inst *sdi, |
e98b7f1b | 851 | void *cb_data) |
3b533202 BV |
852 | { |
853 | const struct libusb_pollfd **lupfd; | |
269971dd | 854 | struct dev_context *devc; |
a873c594 | 855 | struct drv_context *drvc = di->priv; |
3b533202 BV |
856 | int i; |
857 | ||
3b533202 BV |
858 | if (sdi->status != SR_ST_ACTIVE) |
859 | return SR_ERR; | |
860 | ||
269971dd BV |
861 | devc = sdi->priv; |
862 | devc->cb_data = cb_data; | |
3b533202 | 863 | |
014359e3 | 864 | if (configure_probes(sdi) != SR_OK) { |
e98b7f1b | 865 | sr_err("Failed to configure probes."); |
014359e3 BV |
866 | return SR_ERR; |
867 | } | |
868 | ||
269971dd | 869 | if (dso_init(devc) != SR_OK) |
3b533202 BV |
870 | return SR_ERR; |
871 | ||
269971dd | 872 | if (dso_capture_start(devc) != SR_OK) |
3b533202 BV |
873 | return SR_ERR; |
874 | ||
269971dd | 875 | devc->dev_state = CAPTURE; |
d4abb463 | 876 | lupfd = libusb_get_pollfds(drvc->sr_ctx->libusb_ctx); |
3b533202 | 877 | for (i = 0; lupfd[i]; i++) |
e98b7f1b UH |
878 | sr_source_add(lupfd[i]->fd, lupfd[i]->events, TICK, |
879 | handle_event, (void *)sdi); | |
3b533202 BV |
880 | free(lupfd); |
881 | ||
882 | /* Send header packet to the session bus. */ | |
4afdfd46 | 883 | std_session_send_df_header(cb_data, DRIVER_LOG_DOMAIN); |
3b533202 | 884 | |
3b533202 BV |
885 | return SR_OK; |
886 | } | |
887 | ||
69b07d14 | 888 | static int hw_dev_acquisition_stop(struct sr_dev_inst *sdi, void *cb_data) |
3b533202 | 889 | { |
269971dd BV |
890 | struct dev_context *devc; |
891 | ||
892 | (void)cb_data; | |
3b533202 | 893 | |
3b533202 BV |
894 | if (sdi->status != SR_ST_ACTIVE) |
895 | return SR_ERR; | |
896 | ||
a3508e33 BV |
897 | devc = sdi->priv; |
898 | devc->dev_state = STOPPING; | |
3b533202 BV |
899 | |
900 | return SR_OK; | |
901 | } | |
902 | ||
62bb8840 | 903 | SR_PRIV struct sr_dev_driver hantek_dso_driver_info = { |
3b533202 BV |
904 | .name = "hantek-dso", |
905 | .longname = "Hantek DSO", | |
906 | .api_version = 1, | |
907 | .init = hw_init, | |
908 | .cleanup = hw_cleanup, | |
61136ea6 | 909 | .scan = hw_scan, |
811deee4 BV |
910 | .dev_list = hw_dev_list, |
911 | .dev_clear = clear_instances, | |
6fab7b8f | 912 | .config_get = NULL, |
035a1078 | 913 | .config_set = config_set, |
a1c743fc | 914 | .config_list = config_list, |
3b533202 BV |
915 | .dev_open = hw_dev_open, |
916 | .dev_close = hw_dev_close, | |
62bb8840 UH |
917 | .dev_acquisition_start = hw_dev_acquisition_start, |
918 | .dev_acquisition_stop = hw_dev_acquisition_stop, | |
269971dd | 919 | .priv = NULL, |
3b533202 | 920 | }; |