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df92e5cf | 1 | /* |
2 | * This file is part of the sigrok project. | |
3 | * | |
f48cef78 UH |
4 | * Copyright (C) 2011 Daniel Ribeiro <drwyrm@gmail.com> |
5 | * Copyright (C) 2012 Renato Caldas <rmsc@fe.up.pt> | |
6 | * Copyright (C) 2013 Lior Elazary <lelazary@yahoo.com> | |
df92e5cf | 7 | * |
8 | * This program is free software: you can redistribute it and/or modify | |
9 | * it under the terms of the GNU General Public License as published by | |
10 | * the Free Software Foundation, either version 3 of the License, or | |
11 | * (at your option) any later version. | |
12 | * | |
13 | * This program is distributed in the hope that it will be useful, | |
14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
16 | * GNU General Public License for more details. | |
17 | * | |
18 | * You should have received a copy of the GNU General Public License | |
19 | * along with this program. If not, see <http://www.gnu.org/licenses/>. | |
20 | */ | |
21 | ||
22 | #include "protocol.h" | |
23 | ||
df92e5cf | 24 | static const int hwcaps[] = { |
1953564a BV |
25 | SR_CONF_LOGIC_ANALYZER, |
26 | SR_CONF_SAMPLERATE, | |
27 | SR_CONF_TRIGGER_SLOPE, | |
28 | SR_CONF_HORIZ_TRIGGERPOS, | |
29 | // SR_CONF_CAPTURE_RATIO, | |
30 | SR_CONF_LIMIT_SAMPLES, | |
31 | // SR_CONF_RLE, | |
df92e5cf | 32 | 0, |
33 | }; | |
34 | ||
35 | /* | |
36 | * Probes are numbered 0 to 7. | |
37 | * | |
38 | * See also: http://www.linkinstruments.com/images/mso19_1113.gif | |
39 | */ | |
40 | SR_PRIV const char *mso19_probe_names[NUM_PROBES + 1] = { | |
41 | "0", "1", "2", "3", "4", "5", "6", "7", NULL | |
42 | }; | |
43 | ||
df92e5cf | 44 | static const struct sr_samplerates samplerates = { |
d3b38ad3 UH |
45 | .low = SR_HZ(100), |
46 | .high = SR_MHZ(200), | |
47 | .step = SR_HZ(100), | |
48 | .list = NULL, | |
df92e5cf | 49 | }; |
50 | ||
51 | SR_PRIV struct sr_dev_driver link_mso19_driver_info; | |
52 | static struct sr_dev_driver *di = &link_mso19_driver_info; | |
53 | ||
54 | static int hw_init(struct sr_context *sr_ctx) | |
55 | { | |
063e7aef | 56 | return std_hw_init(sr_ctx, di, DRIVER_LOG_DOMAIN); |
df92e5cf | 57 | } |
58 | ||
59 | static GSList *hw_scan(GSList *options) | |
60 | { | |
00b44ccb UH |
61 | int i; |
62 | GSList *devices = NULL; | |
63 | const char *conn = NULL; | |
64 | const char *serialcomm = NULL; | |
65 | GSList *l; | |
1987b8d6 | 66 | struct sr_config *src; |
00b44ccb | 67 | struct udev *udev; |
df92e5cf | 68 | |
69 | (void)options; | |
df92e5cf | 70 | |
df92e5cf | 71 | for (l = options; l; l = l->next) { |
1987b8d6 BV |
72 | src = l->data; |
73 | switch (src->key) { | |
1953564a | 74 | case SR_CONF_CONN: |
1987b8d6 | 75 | conn = src->value; |
df92e5cf | 76 | break; |
1953564a | 77 | case SR_CONF_SERIALCOMM: |
1987b8d6 | 78 | serialcomm = src->value; |
df92e5cf | 79 | break; |
80 | } | |
81 | } | |
82 | if (!conn) | |
00b44ccb | 83 | conn = SERIALCONN; |
df92e5cf | 84 | if (serialcomm == NULL) |
85 | serialcomm = SERIALCOMM; | |
86 | ||
00b44ccb | 87 | udev = udev_new(); |
df92e5cf | 88 | if (!udev) { |
89 | sr_err("Failed to initialize udev."); | |
90 | } | |
00b44ccb | 91 | |
df92e5cf | 92 | struct udev_enumerate *enumerate = udev_enumerate_new(udev); |
93 | udev_enumerate_add_match_subsystem(enumerate, "usb-serial"); | |
94 | udev_enumerate_scan_devices(enumerate); | |
95 | struct udev_list_entry *devs = udev_enumerate_get_list_entry(enumerate); | |
96 | struct udev_list_entry *dev_list_entry; | |
00b44ccb UH |
97 | for (dev_list_entry = devs; |
98 | dev_list_entry != NULL; | |
99 | dev_list_entry = udev_list_entry_get_next(dev_list_entry)) { | |
df92e5cf | 100 | const char *syspath = udev_list_entry_get_name(dev_list_entry); |
00b44ccb UH |
101 | struct udev_device *dev = |
102 | udev_device_new_from_syspath(udev, syspath); | |
df92e5cf | 103 | const char *sysname = udev_device_get_sysname(dev); |
00b44ccb UH |
104 | struct udev_device *parent = |
105 | udev_device_get_parent_with_subsystem_devtype(dev, "usb", | |
106 | "usb_device"); | |
df92e5cf | 107 | |
108 | if (!parent) { | |
109 | sr_err("Unable to find parent usb device for %s", | |
110 | sysname); | |
111 | continue; | |
112 | } | |
113 | ||
00b44ccb UH |
114 | const char *idVendor = |
115 | udev_device_get_sysattr_value(parent, "idVendor"); | |
116 | const char *idProduct = | |
117 | udev_device_get_sysattr_value(parent, "idProduct"); | |
df92e5cf | 118 | if (strcmp(USB_VENDOR, idVendor) |
00b44ccb | 119 | || strcmp(USB_PRODUCT, idProduct)) |
df92e5cf | 120 | continue; |
121 | ||
00b44ccb UH |
122 | const char *iSerial = |
123 | udev_device_get_sysattr_value(parent, "serial"); | |
124 | const char *iProduct = | |
125 | udev_device_get_sysattr_value(parent, "product"); | |
df92e5cf | 126 | |
00b44ccb | 127 | char path[32]; |
df92e5cf | 128 | snprintf(path, sizeof(path), "/dev/%s", sysname); |
00b44ccb | 129 | conn = path; |
df92e5cf | 130 | |
131 | size_t s = strcspn(iProduct, " "); | |
00b44ccb UH |
132 | char product[32]; |
133 | char manufacturer[32]; | |
df92e5cf | 134 | if (s > sizeof(product) || |
00b44ccb UH |
135 | strlen(iProduct) - s > sizeof(manufacturer)) { |
136 | sr_err("Could not parse iProduct: %s.", iProduct); | |
df92e5cf | 137 | continue; |
138 | } | |
139 | strncpy(product, iProduct, s); | |
140 | product[s] = 0; | |
4db2aaff | 141 | strcpy(manufacturer, iProduct + s + 1); |
00b44ccb UH |
142 | |
143 | //Create the device context and set its params | |
144 | struct dev_context *devc; | |
145 | if (!(devc = g_try_malloc0(sizeof(struct dev_context)))) { | |
146 | sr_err("Device context malloc failed."); | |
147 | return devices; | |
148 | } | |
149 | ||
150 | if (mso_parse_serial(iSerial, iProduct, devc) != SR_OK) { | |
151 | sr_err("Invalid iSerial: %s.", iSerial); | |
152 | g_free(devc); | |
153 | return devices; | |
154 | } | |
155 | ||
156 | char hwrev[32]; | |
157 | sprintf(hwrev, "r%d", devc->hwrev); | |
158 | devc->ctlbase1 = 0; | |
159 | devc->protocol_trigger.spimode = 0; | |
160 | for (i = 0; i < 4; i++) { | |
161 | devc->protocol_trigger.word[i] = 0; | |
162 | devc->protocol_trigger.mask[i] = 0xff; | |
163 | } | |
164 | ||
165 | if (!(devc->serial = sr_serial_dev_inst_new(conn, serialcomm))) { | |
166 | g_free(devc); | |
167 | return devices; | |
168 | } | |
169 | ||
170 | struct sr_dev_inst *sdi = sr_dev_inst_new(0, SR_ST_INACTIVE, | |
171 | manufacturer, product, hwrev); | |
172 | ||
173 | if (!sdi) { | |
174 | sr_err("Unable to create device instance for %s", | |
175 | sysname); | |
176 | sr_dev_inst_free(sdi); | |
177 | g_free(devc); | |
178 | return devices; | |
179 | } | |
180 | ||
181 | sdi->driver = di; | |
182 | sdi->priv = devc; | |
183 | ||
184 | for (i = 0; i < NUM_PROBES; i++) { | |
185 | struct sr_probe *probe; | |
186 | if (!(probe = sr_probe_new(i, SR_PROBE_LOGIC, TRUE, | |
187 | mso19_probe_names[i]))) | |
188 | return 0; | |
189 | sdi->probes = g_slist_append(sdi->probes, probe); | |
190 | } | |
191 | ||
192 | //Add the driver | |
193 | struct drv_context *drvc = di->priv; | |
194 | drvc->instances = g_slist_append(drvc->instances, sdi); | |
195 | devices = g_slist_append(devices, sdi); | |
196 | } | |
5a24e89c | 197 | |
df92e5cf | 198 | return devices; |
199 | } | |
200 | ||
201 | static GSList *hw_dev_list(void) | |
202 | { | |
df92e5cf | 203 | struct drv_context *drvc; |
204 | ||
205 | drvc = di->priv; | |
206 | ||
207 | return drvc->instances; | |
208 | } | |
209 | ||
210 | static int hw_dev_open(struct sr_dev_inst *sdi) | |
211 | { | |
00b44ccb | 212 | int ret; |
df92e5cf | 213 | struct dev_context *devc; |
214 | ||
215 | devc = sdi->priv; | |
216 | ||
217 | if (serial_open(devc->serial, SERIAL_RDWR) != SR_OK) | |
218 | return SR_ERR; | |
219 | ||
220 | sdi->status = SR_ST_ACTIVE; | |
221 | ||
222 | /* FIXME: discard serial buffer */ | |
223 | mso_check_trigger(devc->serial, &devc->trigger_state); | |
224 | sr_dbg("Trigger state: 0x%x.", devc->trigger_state); | |
225 | ||
00b44ccb | 226 | ret = mso_reset_adc(sdi); |
df92e5cf | 227 | if (ret != SR_OK) |
228 | return ret; | |
229 | ||
230 | mso_check_trigger(devc->serial, &devc->trigger_state); | |
231 | sr_dbg("Trigger state: 0x%x.", devc->trigger_state); | |
232 | ||
00b44ccb UH |
233 | // ret = mso_reset_fsm(sdi); |
234 | // if (ret != SR_OK) | |
235 | // return ret; | |
236 | // return SR_ERR; | |
df92e5cf | 237 | |
238 | return SR_OK; | |
239 | } | |
240 | ||
241 | static int hw_dev_close(struct sr_dev_inst *sdi) | |
242 | { | |
df92e5cf | 243 | struct dev_context *devc; |
244 | ||
245 | devc = sdi->priv; | |
246 | ||
247 | if (devc->serial && devc->serial->fd != -1) { | |
248 | serial_close(devc->serial); | |
249 | sdi->status = SR_ST_INACTIVE; | |
250 | } | |
251 | ||
252 | return SR_OK; | |
253 | } | |
254 | ||
255 | static int hw_cleanup(void) | |
256 | { | |
df92e5cf | 257 | GSList *l; |
258 | struct sr_dev_inst *sdi; | |
259 | struct drv_context *drvc; | |
260 | struct dev_context *devc; | |
261 | int ret = SR_OK; | |
262 | ||
263 | if (!(drvc = di->priv)) | |
264 | return SR_OK; | |
265 | ||
266 | /* Properly close and free all devices. */ | |
267 | for (l = drvc->instances; l; l = l->next) { | |
268 | if (!(sdi = l->data)) { | |
269 | /* Log error, but continue cleaning up the rest. */ | |
270 | sr_err("%s: sdi was NULL, continuing", __func__); | |
271 | ret = SR_ERR_BUG; | |
272 | continue; | |
273 | } | |
274 | if (!(devc = sdi->priv)) { | |
275 | /* Log error, but continue cleaning up the rest. */ | |
276 | sr_err("%s: sdi->priv was NULL, continuing", __func__); | |
277 | ret = SR_ERR_BUG; | |
278 | continue; | |
279 | } | |
280 | hw_dev_close(sdi); | |
281 | sr_serial_dev_inst_free(devc->serial); | |
282 | sr_dev_inst_free(sdi); | |
283 | } | |
284 | g_slist_free(drvc->instances); | |
285 | drvc->instances = NULL; | |
286 | ||
287 | return ret; | |
288 | } | |
289 | ||
035a1078 | 290 | static int config_get(int id, const void **data, const struct sr_dev_inst *sdi) |
df92e5cf | 291 | { |
292 | struct dev_context *devc; | |
293 | ||
035a1078 | 294 | switch (id) { |
123e1313 | 295 | case SR_CONF_SAMPLERATE: |
df92e5cf | 296 | if (sdi) { |
297 | devc = sdi->priv; | |
298 | *data = &devc->cur_rate; | |
299 | } else | |
300 | return SR_ERR; | |
301 | break; | |
302 | default: | |
303 | return SR_ERR_ARG; | |
304 | } | |
305 | ||
306 | return SR_OK; | |
307 | } | |
308 | ||
035a1078 | 309 | static int config_set(int id, const void *value, const struct sr_dev_inst *sdi) |
df92e5cf | 310 | { |
df92e5cf | 311 | int ret; |
087a9161 | 312 | struct dev_context *devc; |
00b44ccb UH |
313 | uint64_t num_samples, slope; |
314 | int trigger_pos; | |
315 | float pos; | |
316 | ||
317 | devc = sdi->priv; | |
087a9161 | 318 | |
df92e5cf | 319 | if (sdi->status != SR_ST_ACTIVE) |
320 | return SR_ERR; | |
321 | ||
035a1078 | 322 | switch (id) { |
1953564a | 323 | case SR_CONF_SAMPLERATE: |
00b44ccb UH |
324 | // FIXME |
325 | return mso_configure_rate(sdi, *(const uint64_t *)value); | |
df92e5cf | 326 | ret = SR_OK; |
327 | break; | |
1953564a | 328 | case SR_CONF_LIMIT_SAMPLES: |
00b44ccb UH |
329 | num_samples = *(uint64_t *)value; |
330 | if (num_samples < 1024) { | |
331 | sr_err("minimum of 1024 samples required"); | |
332 | ret = SR_ERR_ARG; | |
333 | } else { | |
334 | devc->limit_samples = num_samples; | |
335 | sr_dbg("setting limit_samples to %i\n", | |
336 | num_samples); | |
337 | ret = SR_OK; | |
338 | } | |
df92e5cf | 339 | break; |
1953564a | 340 | case SR_CONF_CAPTURE_RATIO: |
00b44ccb UH |
341 | ret = SR_OK; |
342 | break; | |
1953564a | 343 | case SR_CONF_TRIGGER_SLOPE: |
00b44ccb UH |
344 | slope = *(uint64_t *)value; |
345 | if (slope != SLOPE_NEGATIVE && slope != SLOPE_POSITIVE) { | |
346 | sr_err("Invalid trigger slope"); | |
347 | ret = SR_ERR_ARG; | |
348 | } else { | |
349 | devc->trigger_slope = slope; | |
350 | ret = SR_OK; | |
351 | } | |
352 | break; | |
1953564a | 353 | case SR_CONF_HORIZ_TRIGGERPOS: |
00b44ccb UH |
354 | pos = *(float *)value; |
355 | if (pos < 0 || pos > 255) { | |
356 | sr_err("Trigger position (%f) should be between 0 and 255.", pos); | |
357 | ret = SR_ERR_ARG; | |
358 | } else { | |
359 | trigger_pos = (int)pos; | |
360 | devc->trigger_holdoff[0] = trigger_pos & 0xff; | |
361 | ret = SR_OK; | |
362 | } | |
df92e5cf | 363 | break; |
1953564a | 364 | case SR_CONF_RLE: |
00b44ccb | 365 | ret = SR_OK; |
df92e5cf | 366 | break; |
367 | default: | |
368 | ret = SR_ERR; | |
00b44ccb | 369 | break; |
df92e5cf | 370 | } |
371 | ||
372 | return ret; | |
373 | } | |
374 | ||
a1c743fc BV |
375 | static int config_list(int key, const void **data, const struct sr_dev_inst *sdi) |
376 | { | |
377 | ||
378 | (void)sdi; | |
379 | ||
380 | switch (key) { | |
9a6517d1 BV |
381 | case SR_CONF_DEVICE_OPTIONS: |
382 | *data = hwcaps; | |
383 | break; | |
a1c743fc BV |
384 | case SR_CONF_SAMPLERATE: |
385 | *data = &samplerates; | |
386 | break; | |
c50277a6 BV |
387 | case SR_CONF_TRIGGER_TYPE: |
388 | *data = (char *)TRIGGER_TYPE; | |
389 | break; | |
a1c743fc BV |
390 | default: |
391 | return SR_ERR_ARG; | |
392 | } | |
393 | ||
394 | return SR_OK; | |
395 | } | |
396 | ||
df92e5cf | 397 | static int hw_dev_acquisition_start(const struct sr_dev_inst *sdi, |
00b44ccb | 398 | void *cb_data) |
df92e5cf | 399 | { |
400 | struct sr_datafeed_packet *packet; | |
401 | struct sr_datafeed_header *header; | |
df92e5cf | 402 | struct dev_context *devc; |
df92e5cf | 403 | int ret = SR_ERR; |
00b44ccb | 404 | |
df92e5cf | 405 | devc = sdi->priv; |
406 | ||
407 | if (sdi->status != SR_ST_ACTIVE) | |
408 | return SR_ERR; | |
409 | ||
5a24e89c | 410 | if (mso_configure_probes(sdi) != SR_OK) { |
411 | sr_err("Failed to configure probes."); | |
412 | return SR_ERR; | |
413 | } | |
df92e5cf | 414 | |
df92e5cf | 415 | /* FIXME: No need to do full reconfigure every time */ |
00b44ccb UH |
416 | // ret = mso_reset_fsm(sdi); |
417 | // if (ret != SR_OK) | |
418 | // return ret; | |
df92e5cf | 419 | |
420 | /* FIXME: ACDC Mode */ | |
421 | devc->ctlbase1 &= 0x7f; | |
00b44ccb | 422 | // devc->ctlbase1 |= devc->acdcmode; |
df92e5cf | 423 | |
424 | ret = mso_configure_rate(sdi, devc->cur_rate); | |
425 | if (ret != SR_OK) | |
426 | return ret; | |
427 | ||
428 | /* set dac offset */ | |
429 | ret = mso_dac_out(sdi, devc->dac_offset); | |
430 | if (ret != SR_OK) | |
431 | return ret; | |
432 | ||
433 | ret = mso_configure_threshold_level(sdi); | |
434 | if (ret != SR_OK) | |
435 | return ret; | |
436 | ||
437 | ret = mso_configure_trigger(sdi); | |
438 | if (ret != SR_OK) | |
439 | return ret; | |
440 | ||
df92e5cf | 441 | /* END of config hardware part */ |
00b44ccb UH |
442 | ret = mso_arm(sdi); |
443 | if (ret != SR_OK) | |
444 | return ret; | |
df92e5cf | 445 | |
446 | /* Start acquisition on the device. */ | |
4db2aaff | 447 | mso_check_trigger(devc->serial, &devc->trigger_state); |
448 | ret = mso_check_trigger(devc->serial, NULL); | |
df92e5cf | 449 | if (ret != SR_OK) |
450 | return ret; | |
451 | ||
00b44ccb | 452 | sr_source_add(devc->serial->fd, G_IO_IN, -1, mso_receive_data, cb_data); |
df92e5cf | 453 | |
454 | if (!(packet = g_try_malloc(sizeof(struct sr_datafeed_packet)))) { | |
455 | sr_err("Datafeed packet malloc failed."); | |
456 | return SR_ERR_MALLOC; | |
457 | } | |
458 | ||
459 | if (!(header = g_try_malloc(sizeof(struct sr_datafeed_header)))) { | |
460 | sr_err("Datafeed header malloc failed."); | |
461 | g_free(packet); | |
462 | return SR_ERR_MALLOC; | |
463 | } | |
464 | ||
465 | packet->type = SR_DF_HEADER; | |
466 | packet->payload = (unsigned char *)header; | |
467 | header->feed_version = 1; | |
468 | gettimeofday(&header->starttime, NULL); | |
469 | sr_session_send(cb_data, packet); | |
470 | ||
df92e5cf | 471 | g_free(header); |
472 | g_free(packet); | |
473 | ||
474 | return SR_OK; | |
475 | } | |
476 | ||
087a9161 | 477 | /* This stops acquisition on ALL devices, ignoring dev_index. */ |
df92e5cf | 478 | static int hw_dev_acquisition_stop(struct sr_dev_inst *sdi, void *cb_data) |
479 | { | |
df92e5cf | 480 | (void)cb_data; |
481 | ||
482 | stop_acquisition(sdi); | |
483 | ||
484 | return SR_OK; | |
485 | } | |
486 | ||
487 | SR_PRIV struct sr_dev_driver link_mso19_driver_info = { | |
488 | .name = "link-mso19", | |
489 | .longname = "Link Instruments MSO-19", | |
490 | .api_version = 1, | |
491 | .init = hw_init, | |
492 | .cleanup = hw_cleanup, | |
493 | .scan = hw_scan, | |
494 | .dev_list = hw_dev_list, | |
495 | .dev_clear = hw_cleanup, | |
035a1078 BV |
496 | .config_get = config_get, |
497 | .config_set = config_set, | |
a1c743fc | 498 | .config_list = config_list, |
df92e5cf | 499 | .dev_open = hw_dev_open, |
500 | .dev_close = hw_dev_close, | |
df92e5cf | 501 | .dev_acquisition_start = hw_dev_acquisition_start, |
502 | .dev_acquisition_stop = hw_dev_acquisition_stop, | |
503 | .priv = NULL, | |
504 | }; |