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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 | ||
eea49cf1 UH |
54 | static int dev_close(struct sr_dev_inst *sdi); |
55 | ||
56 | /* TODO: Use sr_dev_inst to store connection handle & use std_dev_clear(). */ | |
57 | static int dev_clear(void) | |
58 | { | |
59 | GSList *l; | |
60 | struct sr_dev_inst *sdi; | |
61 | struct drv_context *drvc; | |
62 | struct dev_context *devc; | |
63 | int ret = SR_OK; | |
64 | ||
65 | if (!(drvc = di->priv)) | |
66 | return SR_OK; | |
67 | ||
68 | /* Properly close and free all devices. */ | |
69 | for (l = drvc->instances; l; l = l->next) { | |
70 | if (!(sdi = l->data)) { | |
71 | /* Log error, but continue cleaning up the rest. */ | |
72 | sr_err("%s: sdi was NULL, continuing", __func__); | |
73 | ret = SR_ERR_BUG; | |
74 | continue; | |
75 | } | |
76 | if (!(devc = sdi->priv)) { | |
77 | /* Log error, but continue cleaning up the rest. */ | |
78 | sr_err("%s: sdi->priv was NULL, continuing", __func__); | |
79 | ret = SR_ERR_BUG; | |
80 | continue; | |
81 | } | |
82 | dev_close(sdi); | |
83 | sr_serial_dev_inst_free(devc->serial); | |
84 | sr_dev_inst_free(sdi); | |
85 | } | |
86 | g_slist_free(drvc->instances); | |
87 | drvc->instances = NULL; | |
88 | ||
89 | return ret; | |
90 | } | |
91 | ||
6078d2c9 | 92 | static int init(struct sr_context *sr_ctx) |
df92e5cf | 93 | { |
f6beaac5 | 94 | return std_init(sr_ctx, di, LOG_PREFIX); |
df92e5cf | 95 | } |
96 | ||
6078d2c9 | 97 | static GSList *scan(GSList *options) |
df92e5cf | 98 | { |
00b44ccb UH |
99 | int i; |
100 | GSList *devices = NULL; | |
101 | const char *conn = NULL; | |
102 | const char *serialcomm = NULL; | |
103 | GSList *l; | |
1987b8d6 | 104 | struct sr_config *src; |
00b44ccb | 105 | struct udev *udev; |
365f04d6 | 106 | int ptype; |
df92e5cf | 107 | |
df92e5cf | 108 | for (l = options; l; l = l->next) { |
1987b8d6 BV |
109 | src = l->data; |
110 | switch (src->key) { | |
1953564a | 111 | case SR_CONF_CONN: |
a9ed6877 | 112 | conn = g_variant_get_string(src->data, NULL); |
df92e5cf | 113 | break; |
1953564a | 114 | case SR_CONF_SERIALCOMM: |
06c45a66 | 115 | serialcomm = g_variant_get_string(src->data, NULL); |
df92e5cf | 116 | break; |
117 | } | |
118 | } | |
119 | if (!conn) | |
00b44ccb | 120 | conn = SERIALCONN; |
df92e5cf | 121 | if (serialcomm == NULL) |
122 | serialcomm = SERIALCOMM; | |
123 | ||
00b44ccb | 124 | udev = udev_new(); |
df92e5cf | 125 | if (!udev) { |
126 | sr_err("Failed to initialize udev."); | |
127 | } | |
00b44ccb | 128 | |
df92e5cf | 129 | struct udev_enumerate *enumerate = udev_enumerate_new(udev); |
130 | udev_enumerate_add_match_subsystem(enumerate, "usb-serial"); | |
131 | udev_enumerate_scan_devices(enumerate); | |
132 | struct udev_list_entry *devs = udev_enumerate_get_list_entry(enumerate); | |
133 | struct udev_list_entry *dev_list_entry; | |
00b44ccb UH |
134 | for (dev_list_entry = devs; |
135 | dev_list_entry != NULL; | |
136 | dev_list_entry = udev_list_entry_get_next(dev_list_entry)) { | |
df92e5cf | 137 | const char *syspath = udev_list_entry_get_name(dev_list_entry); |
00b44ccb UH |
138 | struct udev_device *dev = |
139 | udev_device_new_from_syspath(udev, syspath); | |
df92e5cf | 140 | const char *sysname = udev_device_get_sysname(dev); |
00b44ccb UH |
141 | struct udev_device *parent = |
142 | udev_device_get_parent_with_subsystem_devtype(dev, "usb", | |
143 | "usb_device"); | |
df92e5cf | 144 | |
145 | if (!parent) { | |
146 | sr_err("Unable to find parent usb device for %s", | |
147 | sysname); | |
148 | continue; | |
149 | } | |
150 | ||
00b44ccb UH |
151 | const char *idVendor = |
152 | udev_device_get_sysattr_value(parent, "idVendor"); | |
153 | const char *idProduct = | |
154 | udev_device_get_sysattr_value(parent, "idProduct"); | |
df92e5cf | 155 | if (strcmp(USB_VENDOR, idVendor) |
00b44ccb | 156 | || strcmp(USB_PRODUCT, idProduct)) |
df92e5cf | 157 | continue; |
158 | ||
00b44ccb UH |
159 | const char *iSerial = |
160 | udev_device_get_sysattr_value(parent, "serial"); | |
161 | const char *iProduct = | |
162 | udev_device_get_sysattr_value(parent, "product"); | |
df92e5cf | 163 | |
00b44ccb | 164 | char path[32]; |
df92e5cf | 165 | snprintf(path, sizeof(path), "/dev/%s", sysname); |
00b44ccb | 166 | conn = path; |
df92e5cf | 167 | |
168 | size_t s = strcspn(iProduct, " "); | |
00b44ccb UH |
169 | char product[32]; |
170 | char manufacturer[32]; | |
df92e5cf | 171 | if (s > sizeof(product) || |
00b44ccb UH |
172 | strlen(iProduct) - s > sizeof(manufacturer)) { |
173 | sr_err("Could not parse iProduct: %s.", iProduct); | |
df92e5cf | 174 | continue; |
175 | } | |
176 | strncpy(product, iProduct, s); | |
177 | product[s] = 0; | |
4db2aaff | 178 | strcpy(manufacturer, iProduct + s + 1); |
00b44ccb UH |
179 | |
180 | //Create the device context and set its params | |
181 | struct dev_context *devc; | |
182 | if (!(devc = g_try_malloc0(sizeof(struct dev_context)))) { | |
183 | sr_err("Device context malloc failed."); | |
184 | return devices; | |
185 | } | |
186 | ||
187 | if (mso_parse_serial(iSerial, iProduct, devc) != SR_OK) { | |
188 | sr_err("Invalid iSerial: %s.", iSerial); | |
189 | g_free(devc); | |
190 | return devices; | |
191 | } | |
192 | ||
193 | char hwrev[32]; | |
194 | sprintf(hwrev, "r%d", devc->hwrev); | |
195 | devc->ctlbase1 = 0; | |
196 | devc->protocol_trigger.spimode = 0; | |
197 | for (i = 0; i < 4; i++) { | |
198 | devc->protocol_trigger.word[i] = 0; | |
199 | devc->protocol_trigger.mask[i] = 0xff; | |
200 | } | |
201 | ||
202 | if (!(devc->serial = sr_serial_dev_inst_new(conn, serialcomm))) { | |
203 | g_free(devc); | |
204 | return devices; | |
205 | } | |
206 | ||
207 | struct sr_dev_inst *sdi = sr_dev_inst_new(0, SR_ST_INACTIVE, | |
208 | manufacturer, product, hwrev); | |
209 | ||
210 | if (!sdi) { | |
211 | sr_err("Unable to create device instance for %s", | |
212 | sysname); | |
213 | sr_dev_inst_free(sdi); | |
214 | g_free(devc); | |
215 | return devices; | |
216 | } | |
217 | ||
218 | sdi->driver = di; | |
219 | sdi->priv = devc; | |
220 | ||
221 | for (i = 0; i < NUM_PROBES; i++) { | |
222 | struct sr_probe *probe; | |
365f04d6 | 223 | ptype = (i == 0) ? SR_PROBE_ANALOG : SR_PROBE_LOGIC; |
224 | if (!(probe = sr_probe_new(i, ptype, TRUE, | |
00b44ccb UH |
225 | mso19_probe_names[i]))) |
226 | return 0; | |
227 | sdi->probes = g_slist_append(sdi->probes, probe); | |
228 | } | |
229 | ||
230 | //Add the driver | |
231 | struct drv_context *drvc = di->priv; | |
232 | drvc->instances = g_slist_append(drvc->instances, sdi); | |
233 | devices = g_slist_append(devices, sdi); | |
234 | } | |
5a24e89c | 235 | |
df92e5cf | 236 | return devices; |
237 | } | |
238 | ||
6078d2c9 | 239 | static GSList *dev_list(void) |
df92e5cf | 240 | { |
0e94d524 | 241 | return ((struct drv_context *)(di->priv))->instances; |
df92e5cf | 242 | } |
243 | ||
6078d2c9 | 244 | static int dev_open(struct sr_dev_inst *sdi) |
df92e5cf | 245 | { |
00b44ccb | 246 | int ret; |
df92e5cf | 247 | struct dev_context *devc; |
248 | ||
249 | devc = sdi->priv; | |
250 | ||
251 | if (serial_open(devc->serial, SERIAL_RDWR) != SR_OK) | |
252 | return SR_ERR; | |
253 | ||
254 | sdi->status = SR_ST_ACTIVE; | |
255 | ||
256 | /* FIXME: discard serial buffer */ | |
257 | mso_check_trigger(devc->serial, &devc->trigger_state); | |
258 | sr_dbg("Trigger state: 0x%x.", devc->trigger_state); | |
259 | ||
00b44ccb | 260 | ret = mso_reset_adc(sdi); |
df92e5cf | 261 | if (ret != SR_OK) |
262 | return ret; | |
263 | ||
264 | mso_check_trigger(devc->serial, &devc->trigger_state); | |
265 | sr_dbg("Trigger state: 0x%x.", devc->trigger_state); | |
266 | ||
00b44ccb UH |
267 | // ret = mso_reset_fsm(sdi); |
268 | // if (ret != SR_OK) | |
269 | // return ret; | |
270 | // return SR_ERR; | |
df92e5cf | 271 | |
272 | return SR_OK; | |
273 | } | |
274 | ||
6078d2c9 | 275 | static int dev_close(struct sr_dev_inst *sdi) |
df92e5cf | 276 | { |
df92e5cf | 277 | struct dev_context *devc; |
278 | ||
279 | devc = sdi->priv; | |
280 | ||
281 | if (devc->serial && devc->serial->fd != -1) { | |
282 | serial_close(devc->serial); | |
283 | sdi->status = SR_ST_INACTIVE; | |
284 | } | |
285 | ||
286 | return SR_OK; | |
287 | } | |
288 | ||
6078d2c9 | 289 | static int cleanup(void) |
df92e5cf | 290 | { |
eea49cf1 | 291 | return dev_clear(); |
df92e5cf | 292 | } |
293 | ||
8f996b89 ML |
294 | static int config_get(int id, GVariant **data, const struct sr_dev_inst *sdi, |
295 | const struct sr_probe_group *probe_group) | |
df92e5cf | 296 | { |
297 | struct dev_context *devc; | |
298 | ||
8f996b89 ML |
299 | (void)probe_group; |
300 | ||
035a1078 | 301 | switch (id) { |
123e1313 | 302 | case SR_CONF_SAMPLERATE: |
df92e5cf | 303 | if (sdi) { |
304 | devc = sdi->priv; | |
a9ed6877 | 305 | *data = g_variant_new_uint64(devc->cur_rate); |
df92e5cf | 306 | } else |
307 | return SR_ERR; | |
308 | break; | |
309 | default: | |
bd6fbf62 | 310 | return SR_ERR_NA; |
df92e5cf | 311 | } |
312 | ||
313 | return SR_OK; | |
314 | } | |
315 | ||
8f996b89 ML |
316 | static int config_set(int id, GVariant *data, const struct sr_dev_inst *sdi, |
317 | const struct sr_probe_group *probe_group) | |
df92e5cf | 318 | { |
df92e5cf | 319 | int ret; |
087a9161 | 320 | struct dev_context *devc; |
00b44ccb UH |
321 | uint64_t num_samples, slope; |
322 | int trigger_pos; | |
a9ed6877 | 323 | double pos; |
00b44ccb | 324 | |
8f996b89 | 325 | (void)probe_group; |
00b44ccb | 326 | devc = sdi->priv; |
087a9161 | 327 | |
df92e5cf | 328 | if (sdi->status != SR_ST_ACTIVE) |
e73ffd42 | 329 | return SR_ERR_DEV_CLOSED; |
df92e5cf | 330 | |
035a1078 | 331 | switch (id) { |
1953564a | 332 | case SR_CONF_SAMPLERATE: |
00b44ccb | 333 | // FIXME |
a9ed6877 | 334 | return mso_configure_rate(sdi, g_variant_get_uint64(data)); |
df92e5cf | 335 | ret = SR_OK; |
336 | break; | |
1953564a | 337 | case SR_CONF_LIMIT_SAMPLES: |
a9ed6877 | 338 | num_samples = g_variant_get_uint64(data); |
5952553f | 339 | if (num_samples != 1024) { |
340 | sr_err("Only 1024 samples are supported."); | |
00b44ccb UH |
341 | ret = SR_ERR_ARG; |
342 | } else { | |
343 | devc->limit_samples = num_samples; | |
344 | sr_dbg("setting limit_samples to %i\n", | |
345 | num_samples); | |
346 | ret = SR_OK; | |
347 | } | |
df92e5cf | 348 | break; |
1953564a | 349 | case SR_CONF_CAPTURE_RATIO: |
00b44ccb UH |
350 | ret = SR_OK; |
351 | break; | |
1953564a | 352 | case SR_CONF_TRIGGER_SLOPE: |
a9ed6877 | 353 | slope = g_variant_get_uint64(data); |
00b44ccb UH |
354 | if (slope != SLOPE_NEGATIVE && slope != SLOPE_POSITIVE) { |
355 | sr_err("Invalid trigger slope"); | |
356 | ret = SR_ERR_ARG; | |
357 | } else { | |
358 | devc->trigger_slope = slope; | |
359 | ret = SR_OK; | |
360 | } | |
361 | break; | |
1953564a | 362 | case SR_CONF_HORIZ_TRIGGERPOS: |
a9ed6877 | 363 | pos = g_variant_get_double(data); |
00b44ccb UH |
364 | if (pos < 0 || pos > 255) { |
365 | sr_err("Trigger position (%f) should be between 0 and 255.", pos); | |
366 | ret = SR_ERR_ARG; | |
367 | } else { | |
368 | trigger_pos = (int)pos; | |
369 | devc->trigger_holdoff[0] = trigger_pos & 0xff; | |
370 | ret = SR_OK; | |
371 | } | |
df92e5cf | 372 | break; |
1953564a | 373 | case SR_CONF_RLE: |
00b44ccb | 374 | ret = SR_OK; |
df92e5cf | 375 | break; |
376 | default: | |
bd6fbf62 | 377 | ret = SR_ERR_NA; |
00b44ccb | 378 | break; |
df92e5cf | 379 | } |
380 | ||
381 | return ret; | |
382 | } | |
383 | ||
8f996b89 ML |
384 | static int config_list(int key, GVariant **data, const struct sr_dev_inst *sdi, |
385 | const struct sr_probe_group *probe_group) | |
a1c743fc | 386 | { |
a9ed6877 BV |
387 | GVariant *gvar; |
388 | GVariantBuilder gvb; | |
a1c743fc | 389 | |
8f996b89 | 390 | (void)probe_group; |
a1c743fc BV |
391 | (void)sdi; |
392 | ||
393 | switch (key) { | |
9a6517d1 | 394 | case SR_CONF_DEVICE_OPTIONS: |
a9ed6877 BV |
395 | *data = g_variant_new_fixed_array(G_VARIANT_TYPE_INT32, |
396 | hwcaps, ARRAY_SIZE(hwcaps), sizeof(int32_t)); | |
9a6517d1 | 397 | break; |
a1c743fc | 398 | case SR_CONF_SAMPLERATE: |
a9ed6877 BV |
399 | g_variant_builder_init(&gvb, G_VARIANT_TYPE("a{sv}")); |
400 | gvar = g_variant_new_fixed_array(G_VARIANT_TYPE("t"), samplerates, | |
401 | ARRAY_SIZE(samplerates), sizeof(uint64_t)); | |
402 | g_variant_builder_add(&gvb, "{sv}", "samplerate-steps", gvar); | |
403 | *data = g_variant_builder_end(&gvb); | |
a1c743fc | 404 | break; |
c50277a6 | 405 | case SR_CONF_TRIGGER_TYPE: |
a9ed6877 | 406 | *data = g_variant_new_string(TRIGGER_TYPE); |
c50277a6 | 407 | break; |
a1c743fc | 408 | default: |
bd6fbf62 | 409 | return SR_ERR_NA; |
a1c743fc BV |
410 | } |
411 | ||
412 | return SR_OK; | |
413 | } | |
414 | ||
6078d2c9 | 415 | static int dev_acquisition_start(const struct sr_dev_inst *sdi, void *cb_data) |
df92e5cf | 416 | { |
df92e5cf | 417 | struct dev_context *devc; |
df92e5cf | 418 | int ret = SR_ERR; |
00b44ccb | 419 | |
df92e5cf | 420 | if (sdi->status != SR_ST_ACTIVE) |
e73ffd42 BV |
421 | return SR_ERR_DEV_CLOSED; |
422 | ||
423 | devc = sdi->priv; | |
df92e5cf | 424 | |
5a24e89c | 425 | if (mso_configure_probes(sdi) != SR_OK) { |
426 | sr_err("Failed to configure probes."); | |
427 | return SR_ERR; | |
428 | } | |
df92e5cf | 429 | |
df92e5cf | 430 | /* FIXME: No need to do full reconfigure every time */ |
00b44ccb UH |
431 | // ret = mso_reset_fsm(sdi); |
432 | // if (ret != SR_OK) | |
433 | // return ret; | |
df92e5cf | 434 | |
435 | /* FIXME: ACDC Mode */ | |
436 | devc->ctlbase1 &= 0x7f; | |
00b44ccb | 437 | // devc->ctlbase1 |= devc->acdcmode; |
df92e5cf | 438 | |
439 | ret = mso_configure_rate(sdi, devc->cur_rate); | |
440 | if (ret != SR_OK) | |
441 | return ret; | |
442 | ||
443 | /* set dac offset */ | |
444 | ret = mso_dac_out(sdi, devc->dac_offset); | |
445 | if (ret != SR_OK) | |
446 | return ret; | |
447 | ||
448 | ret = mso_configure_threshold_level(sdi); | |
449 | if (ret != SR_OK) | |
450 | return ret; | |
451 | ||
452 | ret = mso_configure_trigger(sdi); | |
453 | if (ret != SR_OK) | |
454 | return ret; | |
455 | ||
df92e5cf | 456 | /* END of config hardware part */ |
00b44ccb UH |
457 | ret = mso_arm(sdi); |
458 | if (ret != SR_OK) | |
459 | return ret; | |
df92e5cf | 460 | |
461 | /* Start acquisition on the device. */ | |
4db2aaff | 462 | mso_check_trigger(devc->serial, &devc->trigger_state); |
463 | ret = mso_check_trigger(devc->serial, NULL); | |
df92e5cf | 464 | if (ret != SR_OK) |
465 | return ret; | |
466 | ||
365f04d6 | 467 | /* Reset trigger state. */ |
468 | devc->trigger_state = 0x00; | |
469 | ||
4afdfd46 | 470 | /* Send header packet to the session bus. */ |
29a27196 | 471 | std_session_send_df_header(cb_data, LOG_PREFIX); |
df92e5cf | 472 | |
365f04d6 | 473 | /* Our first probe is analog, the other 8 are of type 'logic'. */ |
474 | /* TODO. */ | |
475 | ||
abc4b335 | 476 | serial_source_add(devc->serial, G_IO_IN, -1, mso_receive_data, cb_data); |
df92e5cf | 477 | |
478 | return SR_OK; | |
479 | } | |
480 | ||
087a9161 | 481 | /* This stops acquisition on ALL devices, ignoring dev_index. */ |
6078d2c9 | 482 | static int dev_acquisition_stop(struct sr_dev_inst *sdi, void *cb_data) |
df92e5cf | 483 | { |
df92e5cf | 484 | (void)cb_data; |
485 | ||
486 | stop_acquisition(sdi); | |
487 | ||
488 | return SR_OK; | |
489 | } | |
490 | ||
491 | SR_PRIV struct sr_dev_driver link_mso19_driver_info = { | |
492 | .name = "link-mso19", | |
493 | .longname = "Link Instruments MSO-19", | |
494 | .api_version = 1, | |
6078d2c9 UH |
495 | .init = init, |
496 | .cleanup = cleanup, | |
497 | .scan = scan, | |
498 | .dev_list = dev_list, | |
eea49cf1 | 499 | .dev_clear = dev_clear, |
035a1078 BV |
500 | .config_get = config_get, |
501 | .config_set = config_set, | |
a1c743fc | 502 | .config_list = config_list, |
6078d2c9 UH |
503 | .dev_open = dev_open, |
504 | .dev_close = dev_close, | |
505 | .dev_acquisition_start = dev_acquisition_start, | |
506 | .dev_acquisition_stop = dev_acquisition_stop, | |
df92e5cf | 507 | .priv = NULL, |
508 | }; |