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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 | /* TODO: Use sr_dev_inst to store connection handle & use std_dev_clear(). */ |
55 | static int dev_clear(void) | |
56 | { | |
57 | GSList *l; | |
58 | struct sr_dev_inst *sdi; | |
59 | struct drv_context *drvc; | |
60 | struct dev_context *devc; | |
61 | int ret = SR_OK; | |
62 | ||
63 | if (!(drvc = di->priv)) | |
64 | return SR_OK; | |
65 | ||
66 | /* Properly close and free all devices. */ | |
67 | for (l = drvc->instances; l; l = l->next) { | |
68 | if (!(sdi = l->data)) { | |
69 | /* Log error, but continue cleaning up the rest. */ | |
70 | sr_err("%s: sdi was NULL, continuing", __func__); | |
71 | ret = SR_ERR_BUG; | |
72 | continue; | |
73 | } | |
74 | if (!(devc = sdi->priv)) { | |
75 | /* Log error, but continue cleaning up the rest. */ | |
76 | sr_err("%s: sdi->priv was NULL, continuing", __func__); | |
77 | ret = SR_ERR_BUG; | |
78 | continue; | |
79 | } | |
bf2c987f | 80 | std_serial_dev_close(sdi); |
eea49cf1 UH |
81 | sr_serial_dev_inst_free(devc->serial); |
82 | sr_dev_inst_free(sdi); | |
83 | } | |
84 | g_slist_free(drvc->instances); | |
85 | drvc->instances = NULL; | |
86 | ||
87 | return ret; | |
88 | } | |
89 | ||
6078d2c9 | 90 | static int init(struct sr_context *sr_ctx) |
df92e5cf | 91 | { |
f6beaac5 | 92 | return std_init(sr_ctx, di, LOG_PREFIX); |
df92e5cf | 93 | } |
94 | ||
6078d2c9 | 95 | static GSList *scan(GSList *options) |
df92e5cf | 96 | { |
00b44ccb UH |
97 | int i; |
98 | GSList *devices = NULL; | |
99 | const char *conn = NULL; | |
100 | const char *serialcomm = NULL; | |
101 | GSList *l; | |
1987b8d6 | 102 | struct sr_config *src; |
00b44ccb | 103 | struct udev *udev; |
365f04d6 | 104 | int ptype; |
df92e5cf | 105 | |
df92e5cf | 106 | for (l = options; l; l = l->next) { |
1987b8d6 BV |
107 | src = l->data; |
108 | switch (src->key) { | |
1953564a | 109 | case SR_CONF_CONN: |
a9ed6877 | 110 | conn = g_variant_get_string(src->data, NULL); |
df92e5cf | 111 | break; |
1953564a | 112 | case SR_CONF_SERIALCOMM: |
06c45a66 | 113 | serialcomm = g_variant_get_string(src->data, NULL); |
df92e5cf | 114 | break; |
115 | } | |
116 | } | |
117 | if (!conn) | |
00b44ccb | 118 | conn = SERIALCONN; |
df92e5cf | 119 | if (serialcomm == NULL) |
120 | serialcomm = SERIALCOMM; | |
121 | ||
00b44ccb | 122 | udev = udev_new(); |
df92e5cf | 123 | if (!udev) { |
124 | sr_err("Failed to initialize udev."); | |
125 | } | |
00b44ccb | 126 | |
df92e5cf | 127 | struct udev_enumerate *enumerate = udev_enumerate_new(udev); |
128 | udev_enumerate_add_match_subsystem(enumerate, "usb-serial"); | |
129 | udev_enumerate_scan_devices(enumerate); | |
130 | struct udev_list_entry *devs = udev_enumerate_get_list_entry(enumerate); | |
131 | struct udev_list_entry *dev_list_entry; | |
00b44ccb UH |
132 | for (dev_list_entry = devs; |
133 | dev_list_entry != NULL; | |
134 | dev_list_entry = udev_list_entry_get_next(dev_list_entry)) { | |
df92e5cf | 135 | const char *syspath = udev_list_entry_get_name(dev_list_entry); |
00b44ccb UH |
136 | struct udev_device *dev = |
137 | udev_device_new_from_syspath(udev, syspath); | |
df92e5cf | 138 | const char *sysname = udev_device_get_sysname(dev); |
00b44ccb UH |
139 | struct udev_device *parent = |
140 | udev_device_get_parent_with_subsystem_devtype(dev, "usb", | |
141 | "usb_device"); | |
df92e5cf | 142 | |
143 | if (!parent) { | |
144 | sr_err("Unable to find parent usb device for %s", | |
145 | sysname); | |
146 | continue; | |
147 | } | |
148 | ||
00b44ccb UH |
149 | const char *idVendor = |
150 | udev_device_get_sysattr_value(parent, "idVendor"); | |
151 | const char *idProduct = | |
152 | udev_device_get_sysattr_value(parent, "idProduct"); | |
df92e5cf | 153 | if (strcmp(USB_VENDOR, idVendor) |
00b44ccb | 154 | || strcmp(USB_PRODUCT, idProduct)) |
df92e5cf | 155 | continue; |
156 | ||
00b44ccb UH |
157 | const char *iSerial = |
158 | udev_device_get_sysattr_value(parent, "serial"); | |
159 | const char *iProduct = | |
160 | udev_device_get_sysattr_value(parent, "product"); | |
df92e5cf | 161 | |
00b44ccb | 162 | char path[32]; |
df92e5cf | 163 | snprintf(path, sizeof(path), "/dev/%s", sysname); |
00b44ccb | 164 | conn = path; |
df92e5cf | 165 | |
166 | size_t s = strcspn(iProduct, " "); | |
00b44ccb UH |
167 | char product[32]; |
168 | char manufacturer[32]; | |
df92e5cf | 169 | if (s > sizeof(product) || |
00b44ccb UH |
170 | strlen(iProduct) - s > sizeof(manufacturer)) { |
171 | sr_err("Could not parse iProduct: %s.", iProduct); | |
df92e5cf | 172 | continue; |
173 | } | |
174 | strncpy(product, iProduct, s); | |
175 | product[s] = 0; | |
4db2aaff | 176 | strcpy(manufacturer, iProduct + s + 1); |
00b44ccb UH |
177 | |
178 | //Create the device context and set its params | |
179 | struct dev_context *devc; | |
180 | if (!(devc = g_try_malloc0(sizeof(struct dev_context)))) { | |
181 | sr_err("Device context malloc failed."); | |
182 | return devices; | |
183 | } | |
184 | ||
185 | if (mso_parse_serial(iSerial, iProduct, devc) != SR_OK) { | |
186 | sr_err("Invalid iSerial: %s.", iSerial); | |
187 | g_free(devc); | |
188 | return devices; | |
189 | } | |
190 | ||
191 | char hwrev[32]; | |
192 | sprintf(hwrev, "r%d", devc->hwrev); | |
193 | devc->ctlbase1 = 0; | |
194 | devc->protocol_trigger.spimode = 0; | |
195 | for (i = 0; i < 4; i++) { | |
196 | devc->protocol_trigger.word[i] = 0; | |
197 | devc->protocol_trigger.mask[i] = 0xff; | |
198 | } | |
199 | ||
200 | if (!(devc->serial = sr_serial_dev_inst_new(conn, serialcomm))) { | |
201 | g_free(devc); | |
202 | return devices; | |
203 | } | |
204 | ||
205 | struct sr_dev_inst *sdi = sr_dev_inst_new(0, SR_ST_INACTIVE, | |
206 | manufacturer, product, hwrev); | |
207 | ||
208 | if (!sdi) { | |
209 | sr_err("Unable to create device instance for %s", | |
210 | sysname); | |
211 | sr_dev_inst_free(sdi); | |
212 | g_free(devc); | |
213 | return devices; | |
214 | } | |
215 | ||
216 | sdi->driver = di; | |
217 | sdi->priv = devc; | |
218 | ||
219 | for (i = 0; i < NUM_PROBES; i++) { | |
220 | struct sr_probe *probe; | |
365f04d6 | 221 | ptype = (i == 0) ? SR_PROBE_ANALOG : SR_PROBE_LOGIC; |
222 | if (!(probe = sr_probe_new(i, ptype, TRUE, | |
00b44ccb UH |
223 | mso19_probe_names[i]))) |
224 | return 0; | |
225 | sdi->probes = g_slist_append(sdi->probes, probe); | |
226 | } | |
227 | ||
228 | //Add the driver | |
229 | struct drv_context *drvc = di->priv; | |
230 | drvc->instances = g_slist_append(drvc->instances, sdi); | |
231 | devices = g_slist_append(devices, sdi); | |
232 | } | |
5a24e89c | 233 | |
df92e5cf | 234 | return devices; |
235 | } | |
236 | ||
6078d2c9 | 237 | static GSList *dev_list(void) |
df92e5cf | 238 | { |
0e94d524 | 239 | return ((struct drv_context *)(di->priv))->instances; |
df92e5cf | 240 | } |
241 | ||
6078d2c9 | 242 | static int dev_open(struct sr_dev_inst *sdi) |
df92e5cf | 243 | { |
00b44ccb | 244 | int ret; |
df92e5cf | 245 | struct dev_context *devc; |
246 | ||
247 | devc = sdi->priv; | |
248 | ||
249 | if (serial_open(devc->serial, SERIAL_RDWR) != SR_OK) | |
250 | return SR_ERR; | |
251 | ||
252 | sdi->status = SR_ST_ACTIVE; | |
253 | ||
254 | /* FIXME: discard serial buffer */ | |
255 | mso_check_trigger(devc->serial, &devc->trigger_state); | |
256 | sr_dbg("Trigger state: 0x%x.", devc->trigger_state); | |
257 | ||
00b44ccb | 258 | ret = mso_reset_adc(sdi); |
df92e5cf | 259 | if (ret != SR_OK) |
260 | return ret; | |
261 | ||
262 | mso_check_trigger(devc->serial, &devc->trigger_state); | |
263 | sr_dbg("Trigger state: 0x%x.", devc->trigger_state); | |
264 | ||
00b44ccb UH |
265 | // ret = mso_reset_fsm(sdi); |
266 | // if (ret != SR_OK) | |
267 | // return ret; | |
268 | // return SR_ERR; | |
df92e5cf | 269 | |
270 | return SR_OK; | |
271 | } | |
272 | ||
6078d2c9 | 273 | static int cleanup(void) |
df92e5cf | 274 | { |
eea49cf1 | 275 | return dev_clear(); |
df92e5cf | 276 | } |
277 | ||
8f996b89 ML |
278 | static int config_get(int id, GVariant **data, const struct sr_dev_inst *sdi, |
279 | const struct sr_probe_group *probe_group) | |
df92e5cf | 280 | { |
281 | struct dev_context *devc; | |
282 | ||
8f996b89 ML |
283 | (void)probe_group; |
284 | ||
035a1078 | 285 | switch (id) { |
123e1313 | 286 | case SR_CONF_SAMPLERATE: |
df92e5cf | 287 | if (sdi) { |
288 | devc = sdi->priv; | |
a9ed6877 | 289 | *data = g_variant_new_uint64(devc->cur_rate); |
df92e5cf | 290 | } else |
291 | return SR_ERR; | |
292 | break; | |
293 | default: | |
bd6fbf62 | 294 | return SR_ERR_NA; |
df92e5cf | 295 | } |
296 | ||
297 | return SR_OK; | |
298 | } | |
299 | ||
8f996b89 ML |
300 | static int config_set(int id, GVariant *data, const struct sr_dev_inst *sdi, |
301 | const struct sr_probe_group *probe_group) | |
df92e5cf | 302 | { |
df92e5cf | 303 | int ret; |
087a9161 | 304 | struct dev_context *devc; |
00b44ccb UH |
305 | uint64_t num_samples, slope; |
306 | int trigger_pos; | |
a9ed6877 | 307 | double pos; |
00b44ccb | 308 | |
8f996b89 | 309 | (void)probe_group; |
00b44ccb | 310 | devc = sdi->priv; |
087a9161 | 311 | |
df92e5cf | 312 | if (sdi->status != SR_ST_ACTIVE) |
e73ffd42 | 313 | return SR_ERR_DEV_CLOSED; |
df92e5cf | 314 | |
035a1078 | 315 | switch (id) { |
1953564a | 316 | case SR_CONF_SAMPLERATE: |
00b44ccb | 317 | // FIXME |
a9ed6877 | 318 | return mso_configure_rate(sdi, g_variant_get_uint64(data)); |
df92e5cf | 319 | ret = SR_OK; |
320 | break; | |
1953564a | 321 | case SR_CONF_LIMIT_SAMPLES: |
a9ed6877 | 322 | num_samples = g_variant_get_uint64(data); |
5952553f | 323 | if (num_samples != 1024) { |
324 | sr_err("Only 1024 samples are supported."); | |
00b44ccb UH |
325 | ret = SR_ERR_ARG; |
326 | } else { | |
327 | devc->limit_samples = num_samples; | |
328 | sr_dbg("setting limit_samples to %i\n", | |
329 | num_samples); | |
330 | ret = SR_OK; | |
331 | } | |
df92e5cf | 332 | break; |
1953564a | 333 | case SR_CONF_CAPTURE_RATIO: |
00b44ccb UH |
334 | ret = SR_OK; |
335 | break; | |
1953564a | 336 | case SR_CONF_TRIGGER_SLOPE: |
a9ed6877 | 337 | slope = g_variant_get_uint64(data); |
00b44ccb UH |
338 | if (slope != SLOPE_NEGATIVE && slope != SLOPE_POSITIVE) { |
339 | sr_err("Invalid trigger slope"); | |
340 | ret = SR_ERR_ARG; | |
341 | } else { | |
342 | devc->trigger_slope = slope; | |
343 | ret = SR_OK; | |
344 | } | |
345 | break; | |
1953564a | 346 | case SR_CONF_HORIZ_TRIGGERPOS: |
a9ed6877 | 347 | pos = g_variant_get_double(data); |
00b44ccb UH |
348 | if (pos < 0 || pos > 255) { |
349 | sr_err("Trigger position (%f) should be between 0 and 255.", pos); | |
350 | ret = SR_ERR_ARG; | |
351 | } else { | |
352 | trigger_pos = (int)pos; | |
353 | devc->trigger_holdoff[0] = trigger_pos & 0xff; | |
354 | ret = SR_OK; | |
355 | } | |
df92e5cf | 356 | break; |
1953564a | 357 | case SR_CONF_RLE: |
00b44ccb | 358 | ret = SR_OK; |
df92e5cf | 359 | break; |
360 | default: | |
bd6fbf62 | 361 | ret = SR_ERR_NA; |
00b44ccb | 362 | break; |
df92e5cf | 363 | } |
364 | ||
365 | return ret; | |
366 | } | |
367 | ||
8f996b89 ML |
368 | static int config_list(int key, GVariant **data, const struct sr_dev_inst *sdi, |
369 | const struct sr_probe_group *probe_group) | |
a1c743fc | 370 | { |
a9ed6877 BV |
371 | GVariant *gvar; |
372 | GVariantBuilder gvb; | |
a1c743fc | 373 | |
8f996b89 | 374 | (void)probe_group; |
a1c743fc BV |
375 | (void)sdi; |
376 | ||
377 | switch (key) { | |
9a6517d1 | 378 | case SR_CONF_DEVICE_OPTIONS: |
a9ed6877 BV |
379 | *data = g_variant_new_fixed_array(G_VARIANT_TYPE_INT32, |
380 | hwcaps, ARRAY_SIZE(hwcaps), sizeof(int32_t)); | |
9a6517d1 | 381 | break; |
a1c743fc | 382 | case SR_CONF_SAMPLERATE: |
a9ed6877 BV |
383 | g_variant_builder_init(&gvb, G_VARIANT_TYPE("a{sv}")); |
384 | gvar = g_variant_new_fixed_array(G_VARIANT_TYPE("t"), samplerates, | |
385 | ARRAY_SIZE(samplerates), sizeof(uint64_t)); | |
386 | g_variant_builder_add(&gvb, "{sv}", "samplerate-steps", gvar); | |
387 | *data = g_variant_builder_end(&gvb); | |
a1c743fc | 388 | break; |
c50277a6 | 389 | case SR_CONF_TRIGGER_TYPE: |
a9ed6877 | 390 | *data = g_variant_new_string(TRIGGER_TYPE); |
c50277a6 | 391 | break; |
a1c743fc | 392 | default: |
bd6fbf62 | 393 | return SR_ERR_NA; |
a1c743fc BV |
394 | } |
395 | ||
396 | return SR_OK; | |
397 | } | |
398 | ||
6078d2c9 | 399 | static int dev_acquisition_start(const struct sr_dev_inst *sdi, void *cb_data) |
df92e5cf | 400 | { |
df92e5cf | 401 | struct dev_context *devc; |
df92e5cf | 402 | int ret = SR_ERR; |
00b44ccb | 403 | |
df92e5cf | 404 | if (sdi->status != SR_ST_ACTIVE) |
e73ffd42 BV |
405 | return SR_ERR_DEV_CLOSED; |
406 | ||
407 | devc = sdi->priv; | |
df92e5cf | 408 | |
5a24e89c | 409 | if (mso_configure_probes(sdi) != SR_OK) { |
410 | sr_err("Failed to configure probes."); | |
411 | return SR_ERR; | |
412 | } | |
df92e5cf | 413 | |
df92e5cf | 414 | /* FIXME: No need to do full reconfigure every time */ |
00b44ccb UH |
415 | // ret = mso_reset_fsm(sdi); |
416 | // if (ret != SR_OK) | |
417 | // return ret; | |
df92e5cf | 418 | |
419 | /* FIXME: ACDC Mode */ | |
420 | devc->ctlbase1 &= 0x7f; | |
00b44ccb | 421 | // devc->ctlbase1 |= devc->acdcmode; |
df92e5cf | 422 | |
423 | ret = mso_configure_rate(sdi, devc->cur_rate); | |
424 | if (ret != SR_OK) | |
425 | return ret; | |
426 | ||
427 | /* set dac offset */ | |
428 | ret = mso_dac_out(sdi, devc->dac_offset); | |
429 | if (ret != SR_OK) | |
430 | return ret; | |
431 | ||
432 | ret = mso_configure_threshold_level(sdi); | |
433 | if (ret != SR_OK) | |
434 | return ret; | |
435 | ||
436 | ret = mso_configure_trigger(sdi); | |
437 | if (ret != SR_OK) | |
438 | return ret; | |
439 | ||
df92e5cf | 440 | /* END of config hardware part */ |
00b44ccb UH |
441 | ret = mso_arm(sdi); |
442 | if (ret != SR_OK) | |
443 | return ret; | |
df92e5cf | 444 | |
445 | /* Start acquisition on the device. */ | |
4db2aaff | 446 | mso_check_trigger(devc->serial, &devc->trigger_state); |
447 | ret = mso_check_trigger(devc->serial, NULL); | |
df92e5cf | 448 | if (ret != SR_OK) |
449 | return ret; | |
450 | ||
365f04d6 | 451 | /* Reset trigger state. */ |
452 | devc->trigger_state = 0x00; | |
453 | ||
4afdfd46 | 454 | /* Send header packet to the session bus. */ |
29a27196 | 455 | std_session_send_df_header(cb_data, LOG_PREFIX); |
df92e5cf | 456 | |
365f04d6 | 457 | /* Our first probe is analog, the other 8 are of type 'logic'. */ |
458 | /* TODO. */ | |
459 | ||
abc4b335 | 460 | serial_source_add(devc->serial, G_IO_IN, -1, mso_receive_data, cb_data); |
df92e5cf | 461 | |
462 | return SR_OK; | |
463 | } | |
464 | ||
087a9161 | 465 | /* This stops acquisition on ALL devices, ignoring dev_index. */ |
6078d2c9 | 466 | static int dev_acquisition_stop(struct sr_dev_inst *sdi, void *cb_data) |
df92e5cf | 467 | { |
df92e5cf | 468 | (void)cb_data; |
469 | ||
470 | stop_acquisition(sdi); | |
471 | ||
472 | return SR_OK; | |
473 | } | |
474 | ||
475 | SR_PRIV struct sr_dev_driver link_mso19_driver_info = { | |
476 | .name = "link-mso19", | |
477 | .longname = "Link Instruments MSO-19", | |
478 | .api_version = 1, | |
6078d2c9 UH |
479 | .init = init, |
480 | .cleanup = cleanup, | |
481 | .scan = scan, | |
482 | .dev_list = dev_list, | |
eea49cf1 | 483 | .dev_clear = dev_clear, |
035a1078 BV |
484 | .config_get = config_get, |
485 | .config_set = config_set, | |
a1c743fc | 486 | .config_list = config_list, |
6078d2c9 | 487 | .dev_open = dev_open, |
bf2c987f | 488 | .dev_close = std_serial_dev_close, |
6078d2c9 UH |
489 | .dev_acquisition_start = dev_acquisition_start, |
490 | .dev_acquisition_stop = dev_acquisition_stop, | |
df92e5cf | 491 | .priv = NULL, |
492 | }; |