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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 | /* | |
ba7dd8bb | 36 | * Channels are numbered 0 to 7. |
df92e5cf | 37 | * |
38 | * See also: http://www.linkinstruments.com/images/mso19_1113.gif | |
39 | */ | |
3f239f08 | 40 | SR_PRIV const char *mso19_channel_names[NUM_CHANNELS + 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 | ||
3f239f08 | 219 | for (i = 0; i < NUM_CHANNELS; i++) { |
ba7dd8bb | 220 | struct sr_channel *ch; |
3f239f08 | 221 | ptype = (i == 0) ? SR_CHANNEL_ANALOG : SR_CHANNEL_LOGIC; |
56d0d245 | 222 | if (!(ch = sr_channel_new(i, ptype, TRUE, |
ba7dd8bb | 223 | mso19_channel_names[i]))) |
00b44ccb | 224 | return 0; |
ba7dd8bb | 225 | sdi->channels = g_slist_append(sdi->channels, ch); |
00b44ccb UH |
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 | 278 | static int config_get(int id, GVariant **data, const struct sr_dev_inst *sdi, |
53b4680f | 279 | const struct sr_channel_group *cg) |
df92e5cf | 280 | { |
281 | struct dev_context *devc; | |
282 | ||
53b4680f | 283 | (void)cg; |
8f996b89 | 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 | 300 | static int config_set(int id, GVariant *data, const struct sr_dev_inst *sdi, |
53b4680f | 301 | const struct sr_channel_group *cg) |
df92e5cf | 302 | { |
df92e5cf | 303 | int ret; |
087a9161 | 304 | struct dev_context *devc; |
ca9b9f48 DE |
305 | uint64_t num_samples; |
306 | const char *slope; | |
00b44ccb | 307 | int trigger_pos; |
a9ed6877 | 308 | double pos; |
00b44ccb | 309 | |
53b4680f | 310 | (void)cg; |
00b44ccb | 311 | devc = sdi->priv; |
087a9161 | 312 | |
df92e5cf | 313 | if (sdi->status != SR_ST_ACTIVE) |
e73ffd42 | 314 | return SR_ERR_DEV_CLOSED; |
df92e5cf | 315 | |
035a1078 | 316 | switch (id) { |
1953564a | 317 | case SR_CONF_SAMPLERATE: |
00b44ccb | 318 | // FIXME |
a9ed6877 | 319 | return mso_configure_rate(sdi, g_variant_get_uint64(data)); |
df92e5cf | 320 | ret = SR_OK; |
321 | break; | |
1953564a | 322 | case SR_CONF_LIMIT_SAMPLES: |
a9ed6877 | 323 | num_samples = g_variant_get_uint64(data); |
5952553f | 324 | if (num_samples != 1024) { |
325 | sr_err("Only 1024 samples are supported."); | |
00b44ccb UH |
326 | ret = SR_ERR_ARG; |
327 | } else { | |
328 | devc->limit_samples = num_samples; | |
329 | sr_dbg("setting limit_samples to %i\n", | |
330 | num_samples); | |
331 | ret = SR_OK; | |
332 | } | |
df92e5cf | 333 | break; |
1953564a | 334 | case SR_CONF_CAPTURE_RATIO: |
00b44ccb UH |
335 | ret = SR_OK; |
336 | break; | |
1953564a | 337 | case SR_CONF_TRIGGER_SLOPE: |
ca9b9f48 DE |
338 | slope = g_variant_get_string(data, NULL); |
339 | ||
340 | if (!slope || !(slope[0] == 'f' || slope[0] == 'r')) | |
00b44ccb UH |
341 | sr_err("Invalid trigger slope"); |
342 | ret = SR_ERR_ARG; | |
343 | } else { | |
ca9b9f48 DE |
344 | devc->trigger_slope = (slope[0] == 'r') |
345 | ? SLOPE_POSITIVE : SLOPE_NEGATIVE; | |
00b44ccb UH |
346 | ret = SR_OK; |
347 | } | |
348 | break; | |
1953564a | 349 | case SR_CONF_HORIZ_TRIGGERPOS: |
a9ed6877 | 350 | pos = g_variant_get_double(data); |
00b44ccb UH |
351 | if (pos < 0 || pos > 255) { |
352 | sr_err("Trigger position (%f) should be between 0 and 255.", pos); | |
353 | ret = SR_ERR_ARG; | |
354 | } else { | |
355 | trigger_pos = (int)pos; | |
356 | devc->trigger_holdoff[0] = trigger_pos & 0xff; | |
357 | ret = SR_OK; | |
358 | } | |
df92e5cf | 359 | break; |
1953564a | 360 | case SR_CONF_RLE: |
00b44ccb | 361 | ret = SR_OK; |
df92e5cf | 362 | break; |
363 | default: | |
bd6fbf62 | 364 | ret = SR_ERR_NA; |
00b44ccb | 365 | break; |
df92e5cf | 366 | } |
367 | ||
368 | return ret; | |
369 | } | |
370 | ||
8f996b89 | 371 | static int config_list(int key, GVariant **data, const struct sr_dev_inst *sdi, |
53b4680f | 372 | const struct sr_channel_group *cg) |
a1c743fc | 373 | { |
a9ed6877 BV |
374 | GVariant *gvar; |
375 | GVariantBuilder gvb; | |
a1c743fc | 376 | |
53b4680f | 377 | (void)cg; |
a1c743fc BV |
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 | ||
6078d2c9 | 402 | static int dev_acquisition_start(const struct sr_dev_inst *sdi, void *cb_data) |
df92e5cf | 403 | { |
df92e5cf | 404 | struct dev_context *devc; |
df92e5cf | 405 | int ret = SR_ERR; |
00b44ccb | 406 | |
df92e5cf | 407 | if (sdi->status != SR_ST_ACTIVE) |
e73ffd42 BV |
408 | return SR_ERR_DEV_CLOSED; |
409 | ||
410 | devc = sdi->priv; | |
df92e5cf | 411 | |
ba7dd8bb UH |
412 | if (mso_configure_channels(sdi) != SR_OK) { |
413 | sr_err("Failed to configure channels."); | |
5a24e89c | 414 | return SR_ERR; |
415 | } | |
df92e5cf | 416 | |
df92e5cf | 417 | /* FIXME: No need to do full reconfigure every time */ |
00b44ccb UH |
418 | // ret = mso_reset_fsm(sdi); |
419 | // if (ret != SR_OK) | |
420 | // return ret; | |
df92e5cf | 421 | |
422 | /* FIXME: ACDC Mode */ | |
423 | devc->ctlbase1 &= 0x7f; | |
00b44ccb | 424 | // devc->ctlbase1 |= devc->acdcmode; |
df92e5cf | 425 | |
426 | ret = mso_configure_rate(sdi, devc->cur_rate); | |
427 | if (ret != SR_OK) | |
428 | return ret; | |
429 | ||
430 | /* set dac offset */ | |
431 | ret = mso_dac_out(sdi, devc->dac_offset); | |
432 | if (ret != SR_OK) | |
433 | return ret; | |
434 | ||
435 | ret = mso_configure_threshold_level(sdi); | |
436 | if (ret != SR_OK) | |
437 | return ret; | |
438 | ||
439 | ret = mso_configure_trigger(sdi); | |
440 | if (ret != SR_OK) | |
441 | return ret; | |
442 | ||
df92e5cf | 443 | /* END of config hardware part */ |
00b44ccb UH |
444 | ret = mso_arm(sdi); |
445 | if (ret != SR_OK) | |
446 | return ret; | |
df92e5cf | 447 | |
448 | /* Start acquisition on the device. */ | |
4db2aaff | 449 | mso_check_trigger(devc->serial, &devc->trigger_state); |
450 | ret = mso_check_trigger(devc->serial, NULL); | |
df92e5cf | 451 | if (ret != SR_OK) |
452 | return ret; | |
453 | ||
365f04d6 | 454 | /* Reset trigger state. */ |
455 | devc->trigger_state = 0x00; | |
456 | ||
4afdfd46 | 457 | /* Send header packet to the session bus. */ |
29a27196 | 458 | std_session_send_df_header(cb_data, LOG_PREFIX); |
df92e5cf | 459 | |
ba7dd8bb | 460 | /* Our first channel is analog, the other 8 are of type 'logic'. */ |
365f04d6 | 461 | /* TODO. */ |
462 | ||
abc4b335 | 463 | serial_source_add(devc->serial, G_IO_IN, -1, mso_receive_data, cb_data); |
df92e5cf | 464 | |
465 | return SR_OK; | |
466 | } | |
467 | ||
087a9161 | 468 | /* This stops acquisition on ALL devices, ignoring dev_index. */ |
6078d2c9 | 469 | static int dev_acquisition_stop(struct sr_dev_inst *sdi, void *cb_data) |
df92e5cf | 470 | { |
df92e5cf | 471 | (void)cb_data; |
472 | ||
473 | stop_acquisition(sdi); | |
474 | ||
475 | return SR_OK; | |
476 | } | |
477 | ||
478 | SR_PRIV struct sr_dev_driver link_mso19_driver_info = { | |
479 | .name = "link-mso19", | |
480 | .longname = "Link Instruments MSO-19", | |
481 | .api_version = 1, | |
6078d2c9 UH |
482 | .init = init, |
483 | .cleanup = cleanup, | |
484 | .scan = scan, | |
485 | .dev_list = dev_list, | |
eea49cf1 | 486 | .dev_clear = dev_clear, |
035a1078 BV |
487 | .config_get = config_get, |
488 | .config_set = config_set, | |
a1c743fc | 489 | .config_list = config_list, |
6078d2c9 | 490 | .dev_open = dev_open, |
bf2c987f | 491 | .dev_close = std_serial_dev_close, |
6078d2c9 UH |
492 | .dev_acquisition_start = dev_acquisition_start, |
493 | .dev_acquisition_stop = dev_acquisition_stop, | |
df92e5cf | 494 | .priv = NULL, |
495 | }; |