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df92e5cf | 1 | /* |
50985c20 | 2 | * This file is part of the libsigrok project. |
df92e5cf | 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 | ||
a9ed6877 | 24 | static const int32_t hwcaps[] = { |
365f04d6 | 25 | SR_CONF_OSCILLOSCOPE, |
1953564a BV |
26 | SR_CONF_LOGIC_ANALYZER, |
27 | SR_CONF_SAMPLERATE, | |
28 | SR_CONF_TRIGGER_SLOPE, | |
29 | SR_CONF_HORIZ_TRIGGERPOS, | |
30 | // SR_CONF_CAPTURE_RATIO, | |
31 | SR_CONF_LIMIT_SAMPLES, | |
32 | // SR_CONF_RLE, | |
df92e5cf | 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] = { | |
365f04d6 | 41 | /* Note: DSO needs to be first. */ |
42 | "DSO", "0", "1", "2", "3", "4", "5", "6", "7", NULL, | |
df92e5cf | 43 | }; |
44 | ||
a9ed6877 BV |
45 | static const uint64_t samplerates[] = { |
46 | SR_HZ(100), | |
47 | SR_MHZ(200), | |
48 | SR_HZ(100), | |
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; |
365f04d6 | 68 | int ptype; |
df92e5cf | 69 | |
70 | (void)options; | |
df92e5cf | 71 | |
df92e5cf | 72 | for (l = options; l; l = l->next) { |
1987b8d6 BV |
73 | src = l->data; |
74 | switch (src->key) { | |
1953564a | 75 | case SR_CONF_CONN: |
a9ed6877 | 76 | conn = g_variant_get_string(src->data, NULL); |
df92e5cf | 77 | break; |
1953564a | 78 | case SR_CONF_SERIALCOMM: |
a9ed6877 | 79 | serialcomm = g_variant_get_string(src->data, NULL); |
df92e5cf | 80 | break; |
81 | } | |
82 | } | |
83 | if (!conn) | |
00b44ccb | 84 | conn = SERIALCONN; |
df92e5cf | 85 | if (serialcomm == NULL) |
86 | serialcomm = SERIALCOMM; | |
87 | ||
00b44ccb | 88 | udev = udev_new(); |
df92e5cf | 89 | if (!udev) { |
90 | sr_err("Failed to initialize udev."); | |
91 | } | |
00b44ccb | 92 | |
df92e5cf | 93 | struct udev_enumerate *enumerate = udev_enumerate_new(udev); |
94 | udev_enumerate_add_match_subsystem(enumerate, "usb-serial"); | |
95 | udev_enumerate_scan_devices(enumerate); | |
96 | struct udev_list_entry *devs = udev_enumerate_get_list_entry(enumerate); | |
97 | struct udev_list_entry *dev_list_entry; | |
00b44ccb UH |
98 | for (dev_list_entry = devs; |
99 | dev_list_entry != NULL; | |
100 | dev_list_entry = udev_list_entry_get_next(dev_list_entry)) { | |
df92e5cf | 101 | const char *syspath = udev_list_entry_get_name(dev_list_entry); |
00b44ccb UH |
102 | struct udev_device *dev = |
103 | udev_device_new_from_syspath(udev, syspath); | |
df92e5cf | 104 | const char *sysname = udev_device_get_sysname(dev); |
00b44ccb UH |
105 | struct udev_device *parent = |
106 | udev_device_get_parent_with_subsystem_devtype(dev, "usb", | |
107 | "usb_device"); | |
df92e5cf | 108 | |
109 | if (!parent) { | |
110 | sr_err("Unable to find parent usb device for %s", | |
111 | sysname); | |
112 | continue; | |
113 | } | |
114 | ||
00b44ccb UH |
115 | const char *idVendor = |
116 | udev_device_get_sysattr_value(parent, "idVendor"); | |
117 | const char *idProduct = | |
118 | udev_device_get_sysattr_value(parent, "idProduct"); | |
df92e5cf | 119 | if (strcmp(USB_VENDOR, idVendor) |
00b44ccb | 120 | || strcmp(USB_PRODUCT, idProduct)) |
df92e5cf | 121 | continue; |
122 | ||
00b44ccb UH |
123 | const char *iSerial = |
124 | udev_device_get_sysattr_value(parent, "serial"); | |
125 | const char *iProduct = | |
126 | udev_device_get_sysattr_value(parent, "product"); | |
df92e5cf | 127 | |
00b44ccb | 128 | char path[32]; |
df92e5cf | 129 | snprintf(path, sizeof(path), "/dev/%s", sysname); |
00b44ccb | 130 | conn = path; |
df92e5cf | 131 | |
132 | size_t s = strcspn(iProduct, " "); | |
00b44ccb UH |
133 | char product[32]; |
134 | char manufacturer[32]; | |
df92e5cf | 135 | if (s > sizeof(product) || |
00b44ccb UH |
136 | strlen(iProduct) - s > sizeof(manufacturer)) { |
137 | sr_err("Could not parse iProduct: %s.", iProduct); | |
df92e5cf | 138 | continue; |
139 | } | |
140 | strncpy(product, iProduct, s); | |
141 | product[s] = 0; | |
4db2aaff | 142 | strcpy(manufacturer, iProduct + s + 1); |
00b44ccb UH |
143 | |
144 | //Create the device context and set its params | |
145 | struct dev_context *devc; | |
146 | if (!(devc = g_try_malloc0(sizeof(struct dev_context)))) { | |
147 | sr_err("Device context malloc failed."); | |
148 | return devices; | |
149 | } | |
150 | ||
151 | if (mso_parse_serial(iSerial, iProduct, devc) != SR_OK) { | |
152 | sr_err("Invalid iSerial: %s.", iSerial); | |
153 | g_free(devc); | |
154 | return devices; | |
155 | } | |
156 | ||
157 | char hwrev[32]; | |
158 | sprintf(hwrev, "r%d", devc->hwrev); | |
159 | devc->ctlbase1 = 0; | |
160 | devc->protocol_trigger.spimode = 0; | |
161 | for (i = 0; i < 4; i++) { | |
162 | devc->protocol_trigger.word[i] = 0; | |
163 | devc->protocol_trigger.mask[i] = 0xff; | |
164 | } | |
165 | ||
166 | if (!(devc->serial = sr_serial_dev_inst_new(conn, serialcomm))) { | |
167 | g_free(devc); | |
168 | return devices; | |
169 | } | |
170 | ||
171 | struct sr_dev_inst *sdi = sr_dev_inst_new(0, SR_ST_INACTIVE, | |
172 | manufacturer, product, hwrev); | |
173 | ||
174 | if (!sdi) { | |
175 | sr_err("Unable to create device instance for %s", | |
176 | sysname); | |
177 | sr_dev_inst_free(sdi); | |
178 | g_free(devc); | |
179 | return devices; | |
180 | } | |
181 | ||
182 | sdi->driver = di; | |
183 | sdi->priv = devc; | |
184 | ||
185 | for (i = 0; i < NUM_PROBES; i++) { | |
186 | struct sr_probe *probe; | |
365f04d6 | 187 | ptype = (i == 0) ? SR_PROBE_ANALOG : SR_PROBE_LOGIC; |
188 | if (!(probe = sr_probe_new(i, ptype, TRUE, | |
00b44ccb UH |
189 | mso19_probe_names[i]))) |
190 | return 0; | |
191 | sdi->probes = g_slist_append(sdi->probes, probe); | |
192 | } | |
193 | ||
194 | //Add the driver | |
195 | struct drv_context *drvc = di->priv; | |
196 | drvc->instances = g_slist_append(drvc->instances, sdi); | |
197 | devices = g_slist_append(devices, sdi); | |
198 | } | |
5a24e89c | 199 | |
df92e5cf | 200 | return devices; |
201 | } | |
202 | ||
203 | static GSList *hw_dev_list(void) | |
204 | { | |
0e94d524 | 205 | return ((struct drv_context *)(di->priv))->instances; |
df92e5cf | 206 | } |
207 | ||
208 | static int hw_dev_open(struct sr_dev_inst *sdi) | |
209 | { | |
00b44ccb | 210 | int ret; |
df92e5cf | 211 | struct dev_context *devc; |
212 | ||
213 | devc = sdi->priv; | |
214 | ||
215 | if (serial_open(devc->serial, SERIAL_RDWR) != SR_OK) | |
216 | return SR_ERR; | |
217 | ||
218 | sdi->status = SR_ST_ACTIVE; | |
219 | ||
220 | /* FIXME: discard serial buffer */ | |
221 | mso_check_trigger(devc->serial, &devc->trigger_state); | |
222 | sr_dbg("Trigger state: 0x%x.", devc->trigger_state); | |
223 | ||
00b44ccb | 224 | ret = mso_reset_adc(sdi); |
df92e5cf | 225 | if (ret != SR_OK) |
226 | return ret; | |
227 | ||
228 | mso_check_trigger(devc->serial, &devc->trigger_state); | |
229 | sr_dbg("Trigger state: 0x%x.", devc->trigger_state); | |
230 | ||
00b44ccb UH |
231 | // ret = mso_reset_fsm(sdi); |
232 | // if (ret != SR_OK) | |
233 | // return ret; | |
234 | // return SR_ERR; | |
df92e5cf | 235 | |
236 | return SR_OK; | |
237 | } | |
238 | ||
239 | static int hw_dev_close(struct sr_dev_inst *sdi) | |
240 | { | |
df92e5cf | 241 | struct dev_context *devc; |
242 | ||
243 | devc = sdi->priv; | |
244 | ||
245 | if (devc->serial && devc->serial->fd != -1) { | |
246 | serial_close(devc->serial); | |
247 | sdi->status = SR_ST_INACTIVE; | |
248 | } | |
249 | ||
250 | return SR_OK; | |
251 | } | |
252 | ||
253 | static int hw_cleanup(void) | |
254 | { | |
df92e5cf | 255 | GSList *l; |
256 | struct sr_dev_inst *sdi; | |
257 | struct drv_context *drvc; | |
258 | struct dev_context *devc; | |
259 | int ret = SR_OK; | |
260 | ||
261 | if (!(drvc = di->priv)) | |
262 | return SR_OK; | |
263 | ||
264 | /* Properly close and free all devices. */ | |
265 | for (l = drvc->instances; l; l = l->next) { | |
266 | if (!(sdi = l->data)) { | |
267 | /* Log error, but continue cleaning up the rest. */ | |
268 | sr_err("%s: sdi was NULL, continuing", __func__); | |
269 | ret = SR_ERR_BUG; | |
270 | continue; | |
271 | } | |
272 | if (!(devc = sdi->priv)) { | |
273 | /* Log error, but continue cleaning up the rest. */ | |
274 | sr_err("%s: sdi->priv was NULL, continuing", __func__); | |
275 | ret = SR_ERR_BUG; | |
276 | continue; | |
277 | } | |
278 | hw_dev_close(sdi); | |
279 | sr_serial_dev_inst_free(devc->serial); | |
280 | sr_dev_inst_free(sdi); | |
281 | } | |
282 | g_slist_free(drvc->instances); | |
283 | drvc->instances = NULL; | |
284 | ||
285 | return ret; | |
286 | } | |
287 | ||
a9ed6877 | 288 | static int config_get(int id, GVariant **data, const struct sr_dev_inst *sdi) |
df92e5cf | 289 | { |
290 | struct dev_context *devc; | |
291 | ||
035a1078 | 292 | switch (id) { |
123e1313 | 293 | case SR_CONF_SAMPLERATE: |
df92e5cf | 294 | if (sdi) { |
295 | devc = sdi->priv; | |
a9ed6877 | 296 | *data = g_variant_new_uint64(devc->cur_rate); |
df92e5cf | 297 | } else |
298 | return SR_ERR; | |
299 | break; | |
300 | default: | |
bd6fbf62 | 301 | return SR_ERR_NA; |
df92e5cf | 302 | } |
303 | ||
304 | return SR_OK; | |
305 | } | |
306 | ||
a9ed6877 | 307 | static int config_set(int id, GVariant *data, const struct sr_dev_inst *sdi) |
df92e5cf | 308 | { |
df92e5cf | 309 | int ret; |
087a9161 | 310 | struct dev_context *devc; |
00b44ccb UH |
311 | uint64_t num_samples, slope; |
312 | int trigger_pos; | |
a9ed6877 | 313 | double pos; |
00b44ccb UH |
314 | |
315 | devc = sdi->priv; | |
087a9161 | 316 | |
df92e5cf | 317 | if (sdi->status != SR_ST_ACTIVE) |
318 | return SR_ERR; | |
319 | ||
035a1078 | 320 | switch (id) { |
1953564a | 321 | case SR_CONF_SAMPLERATE: |
00b44ccb | 322 | // FIXME |
a9ed6877 | 323 | return mso_configure_rate(sdi, g_variant_get_uint64(data)); |
df92e5cf | 324 | ret = SR_OK; |
325 | break; | |
1953564a | 326 | case SR_CONF_LIMIT_SAMPLES: |
a9ed6877 | 327 | num_samples = g_variant_get_uint64(data); |
5952553f | 328 | if (num_samples != 1024) { |
329 | sr_err("Only 1024 samples are supported."); | |
00b44ccb UH |
330 | ret = SR_ERR_ARG; |
331 | } else { | |
332 | devc->limit_samples = num_samples; | |
333 | sr_dbg("setting limit_samples to %i\n", | |
334 | num_samples); | |
335 | ret = SR_OK; | |
336 | } | |
df92e5cf | 337 | break; |
1953564a | 338 | case SR_CONF_CAPTURE_RATIO: |
00b44ccb UH |
339 | ret = SR_OK; |
340 | break; | |
1953564a | 341 | case SR_CONF_TRIGGER_SLOPE: |
a9ed6877 | 342 | slope = g_variant_get_uint64(data); |
00b44ccb UH |
343 | if (slope != SLOPE_NEGATIVE && slope != SLOPE_POSITIVE) { |
344 | sr_err("Invalid trigger slope"); | |
345 | ret = SR_ERR_ARG; | |
346 | } else { | |
347 | devc->trigger_slope = slope; | |
348 | ret = SR_OK; | |
349 | } | |
350 | break; | |
1953564a | 351 | case SR_CONF_HORIZ_TRIGGERPOS: |
a9ed6877 | 352 | pos = g_variant_get_double(data); |
00b44ccb UH |
353 | if (pos < 0 || pos > 255) { |
354 | sr_err("Trigger position (%f) should be between 0 and 255.", pos); | |
355 | ret = SR_ERR_ARG; | |
356 | } else { | |
357 | trigger_pos = (int)pos; | |
358 | devc->trigger_holdoff[0] = trigger_pos & 0xff; | |
359 | ret = SR_OK; | |
360 | } | |
df92e5cf | 361 | break; |
1953564a | 362 | case SR_CONF_RLE: |
00b44ccb | 363 | ret = SR_OK; |
df92e5cf | 364 | break; |
365 | default: | |
bd6fbf62 | 366 | ret = SR_ERR_NA; |
00b44ccb | 367 | break; |
df92e5cf | 368 | } |
369 | ||
370 | return ret; | |
371 | } | |
372 | ||
a9ed6877 | 373 | static int config_list(int key, GVariant **data, const struct sr_dev_inst *sdi) |
a1c743fc | 374 | { |
a9ed6877 BV |
375 | GVariant *gvar; |
376 | GVariantBuilder gvb; | |
a1c743fc BV |
377 | |
378 | (void)sdi; | |
379 | ||
380 | switch (key) { | |
9a6517d1 | 381 | case SR_CONF_DEVICE_OPTIONS: |
a9ed6877 BV |
382 | *data = g_variant_new_fixed_array(G_VARIANT_TYPE_INT32, |
383 | hwcaps, ARRAY_SIZE(hwcaps), sizeof(int32_t)); | |
9a6517d1 | 384 | break; |
a1c743fc | 385 | case SR_CONF_SAMPLERATE: |
a9ed6877 BV |
386 | g_variant_builder_init(&gvb, G_VARIANT_TYPE("a{sv}")); |
387 | gvar = g_variant_new_fixed_array(G_VARIANT_TYPE("t"), samplerates, | |
388 | ARRAY_SIZE(samplerates), sizeof(uint64_t)); | |
389 | g_variant_builder_add(&gvb, "{sv}", "samplerate-steps", gvar); | |
390 | *data = g_variant_builder_end(&gvb); | |
a1c743fc | 391 | break; |
c50277a6 | 392 | case SR_CONF_TRIGGER_TYPE: |
a9ed6877 | 393 | *data = g_variant_new_string(TRIGGER_TYPE); |
c50277a6 | 394 | break; |
a1c743fc | 395 | default: |
bd6fbf62 | 396 | return SR_ERR_NA; |
a1c743fc BV |
397 | } |
398 | ||
399 | return SR_OK; | |
400 | } | |
401 | ||
df92e5cf | 402 | static int hw_dev_acquisition_start(const struct sr_dev_inst *sdi, |
00b44ccb | 403 | void *cb_data) |
df92e5cf | 404 | { |
df92e5cf | 405 | struct dev_context *devc; |
df92e5cf | 406 | int ret = SR_ERR; |
00b44ccb | 407 | |
df92e5cf | 408 | devc = sdi->priv; |
409 | ||
410 | if (sdi->status != SR_ST_ACTIVE) | |
411 | return SR_ERR; | |
412 | ||
5a24e89c | 413 | if (mso_configure_probes(sdi) != SR_OK) { |
414 | sr_err("Failed to configure probes."); | |
415 | return SR_ERR; | |
416 | } | |
df92e5cf | 417 | |
df92e5cf | 418 | /* FIXME: No need to do full reconfigure every time */ |
00b44ccb UH |
419 | // ret = mso_reset_fsm(sdi); |
420 | // if (ret != SR_OK) | |
421 | // return ret; | |
df92e5cf | 422 | |
423 | /* FIXME: ACDC Mode */ | |
424 | devc->ctlbase1 &= 0x7f; | |
00b44ccb | 425 | // devc->ctlbase1 |= devc->acdcmode; |
df92e5cf | 426 | |
427 | ret = mso_configure_rate(sdi, devc->cur_rate); | |
428 | if (ret != SR_OK) | |
429 | return ret; | |
430 | ||
431 | /* set dac offset */ | |
432 | ret = mso_dac_out(sdi, devc->dac_offset); | |
433 | if (ret != SR_OK) | |
434 | return ret; | |
435 | ||
436 | ret = mso_configure_threshold_level(sdi); | |
437 | if (ret != SR_OK) | |
438 | return ret; | |
439 | ||
440 | ret = mso_configure_trigger(sdi); | |
441 | if (ret != SR_OK) | |
442 | return ret; | |
443 | ||
df92e5cf | 444 | /* END of config hardware part */ |
00b44ccb UH |
445 | ret = mso_arm(sdi); |
446 | if (ret != SR_OK) | |
447 | return ret; | |
df92e5cf | 448 | |
449 | /* Start acquisition on the device. */ | |
4db2aaff | 450 | mso_check_trigger(devc->serial, &devc->trigger_state); |
451 | ret = mso_check_trigger(devc->serial, NULL); | |
df92e5cf | 452 | if (ret != SR_OK) |
453 | return ret; | |
454 | ||
365f04d6 | 455 | /* Reset trigger state. */ |
456 | devc->trigger_state = 0x00; | |
457 | ||
4afdfd46 UH |
458 | /* Send header packet to the session bus. */ |
459 | std_session_send_df_header(cb_data, DRIVER_LOG_DOMAIN); | |
df92e5cf | 460 | |
365f04d6 | 461 | /* Our first probe is analog, the other 8 are of type 'logic'. */ |
462 | /* TODO. */ | |
463 | ||
4afdfd46 | 464 | sr_source_add(devc->serial->fd, G_IO_IN, -1, mso_receive_data, cb_data); |
df92e5cf | 465 | |
466 | return SR_OK; | |
467 | } | |
468 | ||
087a9161 | 469 | /* This stops acquisition on ALL devices, ignoring dev_index. */ |
df92e5cf | 470 | static int hw_dev_acquisition_stop(struct sr_dev_inst *sdi, void *cb_data) |
471 | { | |
df92e5cf | 472 | (void)cb_data; |
473 | ||
474 | stop_acquisition(sdi); | |
475 | ||
476 | return SR_OK; | |
477 | } | |
478 | ||
479 | SR_PRIV struct sr_dev_driver link_mso19_driver_info = { | |
480 | .name = "link-mso19", | |
481 | .longname = "Link Instruments MSO-19", | |
482 | .api_version = 1, | |
483 | .init = hw_init, | |
484 | .cleanup = hw_cleanup, | |
485 | .scan = hw_scan, | |
486 | .dev_list = hw_dev_list, | |
487 | .dev_clear = hw_cleanup, | |
035a1078 BV |
488 | .config_get = config_get, |
489 | .config_set = config_set, | |
a1c743fc | 490 | .config_list = config_list, |
df92e5cf | 491 | .dev_open = hw_dev_open, |
492 | .dev_close = hw_dev_close, | |
df92e5cf | 493 | .dev_acquisition_start = hw_dev_acquisition_start, |
494 | .dev_acquisition_stop = hw_dev_acquisition_stop, | |
495 | .priv = NULL, | |
496 | }; |