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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, | |
38d32464 | 28 | SR_CONF_TRIGGER_TYPE, |
1953564a BV |
29 | SR_CONF_TRIGGER_SLOPE, |
30 | SR_CONF_HORIZ_TRIGGERPOS, | |
31 | // SR_CONF_CAPTURE_RATIO, | |
32 | SR_CONF_LIMIT_SAMPLES, | |
33 | // SR_CONF_RLE, | |
df92e5cf | 34 | }; |
35 | ||
36 | /* | |
ba7dd8bb | 37 | * Channels are numbered 0 to 7. |
df92e5cf | 38 | * |
39 | * See also: http://www.linkinstruments.com/images/mso19_1113.gif | |
40 | */ | |
3f239f08 | 41 | SR_PRIV const char *mso19_channel_names[NUM_CHANNELS + 1] = { |
365f04d6 | 42 | /* Note: DSO needs to be first. */ |
43 | "DSO", "0", "1", "2", "3", "4", "5", "6", "7", NULL, | |
df92e5cf | 44 | }; |
45 | ||
a9ed6877 BV |
46 | static const uint64_t samplerates[] = { |
47 | SR_HZ(100), | |
48 | SR_MHZ(200), | |
49 | SR_HZ(100), | |
df92e5cf | 50 | }; |
51 | ||
52 | SR_PRIV struct sr_dev_driver link_mso19_driver_info; | |
53 | static struct sr_dev_driver *di = &link_mso19_driver_info; | |
54 | ||
eea49cf1 UH |
55 | /* TODO: Use sr_dev_inst to store connection handle & use std_dev_clear(). */ |
56 | static int dev_clear(void) | |
57 | { | |
58 | GSList *l; | |
59 | struct sr_dev_inst *sdi; | |
60 | struct drv_context *drvc; | |
61 | struct dev_context *devc; | |
62 | int ret = SR_OK; | |
63 | ||
64 | if (!(drvc = di->priv)) | |
65 | return SR_OK; | |
66 | ||
67 | /* Properly close and free all devices. */ | |
68 | for (l = drvc->instances; l; l = l->next) { | |
69 | if (!(sdi = l->data)) { | |
70 | /* Log error, but continue cleaning up the rest. */ | |
71 | sr_err("%s: sdi was NULL, continuing", __func__); | |
72 | ret = SR_ERR_BUG; | |
73 | continue; | |
74 | } | |
75 | if (!(devc = sdi->priv)) { | |
76 | /* Log error, but continue cleaning up the rest. */ | |
77 | sr_err("%s: sdi->priv was NULL, continuing", __func__); | |
78 | ret = SR_ERR_BUG; | |
79 | continue; | |
80 | } | |
bf2c987f | 81 | std_serial_dev_close(sdi); |
eea49cf1 UH |
82 | sr_serial_dev_inst_free(devc->serial); |
83 | sr_dev_inst_free(sdi); | |
84 | } | |
85 | g_slist_free(drvc->instances); | |
86 | drvc->instances = NULL; | |
87 | ||
88 | return ret; | |
89 | } | |
90 | ||
6078d2c9 | 91 | static int init(struct sr_context *sr_ctx) |
df92e5cf | 92 | { |
f6beaac5 | 93 | return std_init(sr_ctx, di, LOG_PREFIX); |
df92e5cf | 94 | } |
95 | ||
6078d2c9 | 96 | static GSList *scan(GSList *options) |
df92e5cf | 97 | { |
00b44ccb UH |
98 | int i; |
99 | GSList *devices = NULL; | |
100 | const char *conn = NULL; | |
101 | const char *serialcomm = NULL; | |
102 | GSList *l; | |
1987b8d6 | 103 | struct sr_config *src; |
00b44ccb | 104 | struct udev *udev; |
fca75cbb | 105 | int chtype; |
df92e5cf | 106 | |
df92e5cf | 107 | for (l = options; l; l = l->next) { |
1987b8d6 BV |
108 | src = l->data; |
109 | switch (src->key) { | |
1953564a | 110 | case SR_CONF_CONN: |
a9ed6877 | 111 | conn = g_variant_get_string(src->data, NULL); |
df92e5cf | 112 | break; |
1953564a | 113 | case SR_CONF_SERIALCOMM: |
06c45a66 | 114 | serialcomm = g_variant_get_string(src->data, NULL); |
df92e5cf | 115 | break; |
116 | } | |
117 | } | |
118 | if (!conn) | |
00b44ccb | 119 | conn = SERIALCONN; |
df92e5cf | 120 | if (serialcomm == NULL) |
121 | serialcomm = SERIALCOMM; | |
122 | ||
00b44ccb | 123 | udev = udev_new(); |
df92e5cf | 124 | if (!udev) { |
125 | sr_err("Failed to initialize udev."); | |
126 | } | |
00b44ccb | 127 | |
df92e5cf | 128 | struct udev_enumerate *enumerate = udev_enumerate_new(udev); |
129 | udev_enumerate_add_match_subsystem(enumerate, "usb-serial"); | |
130 | udev_enumerate_scan_devices(enumerate); | |
131 | struct udev_list_entry *devs = udev_enumerate_get_list_entry(enumerate); | |
132 | struct udev_list_entry *dev_list_entry; | |
00b44ccb UH |
133 | for (dev_list_entry = devs; |
134 | dev_list_entry != NULL; | |
135 | dev_list_entry = udev_list_entry_get_next(dev_list_entry)) { | |
df92e5cf | 136 | const char *syspath = udev_list_entry_get_name(dev_list_entry); |
00b44ccb UH |
137 | struct udev_device *dev = |
138 | udev_device_new_from_syspath(udev, syspath); | |
df92e5cf | 139 | const char *sysname = udev_device_get_sysname(dev); |
00b44ccb UH |
140 | struct udev_device *parent = |
141 | udev_device_get_parent_with_subsystem_devtype(dev, "usb", | |
142 | "usb_device"); | |
df92e5cf | 143 | |
144 | if (!parent) { | |
145 | sr_err("Unable to find parent usb device for %s", | |
146 | sysname); | |
147 | continue; | |
148 | } | |
149 | ||
00b44ccb UH |
150 | const char *idVendor = |
151 | udev_device_get_sysattr_value(parent, "idVendor"); | |
152 | const char *idProduct = | |
153 | udev_device_get_sysattr_value(parent, "idProduct"); | |
df92e5cf | 154 | if (strcmp(USB_VENDOR, idVendor) |
00b44ccb | 155 | || strcmp(USB_PRODUCT, idProduct)) |
df92e5cf | 156 | continue; |
157 | ||
00b44ccb UH |
158 | const char *iSerial = |
159 | udev_device_get_sysattr_value(parent, "serial"); | |
160 | const char *iProduct = | |
161 | udev_device_get_sysattr_value(parent, "product"); | |
df92e5cf | 162 | |
00b44ccb | 163 | char path[32]; |
df92e5cf | 164 | snprintf(path, sizeof(path), "/dev/%s", sysname); |
00b44ccb | 165 | conn = path; |
df92e5cf | 166 | |
167 | size_t s = strcspn(iProduct, " "); | |
00b44ccb UH |
168 | char product[32]; |
169 | char manufacturer[32]; | |
df92e5cf | 170 | if (s > sizeof(product) || |
00b44ccb UH |
171 | strlen(iProduct) - s > sizeof(manufacturer)) { |
172 | sr_err("Could not parse iProduct: %s.", iProduct); | |
df92e5cf | 173 | continue; |
174 | } | |
175 | strncpy(product, iProduct, s); | |
176 | product[s] = 0; | |
4db2aaff | 177 | strcpy(manufacturer, iProduct + s + 1); |
00b44ccb UH |
178 | |
179 | //Create the device context and set its params | |
180 | struct dev_context *devc; | |
181 | if (!(devc = g_try_malloc0(sizeof(struct dev_context)))) { | |
182 | sr_err("Device context malloc failed."); | |
183 | return devices; | |
184 | } | |
185 | ||
186 | if (mso_parse_serial(iSerial, iProduct, devc) != SR_OK) { | |
187 | sr_err("Invalid iSerial: %s.", iSerial); | |
188 | g_free(devc); | |
189 | return devices; | |
190 | } | |
191 | ||
192 | char hwrev[32]; | |
193 | sprintf(hwrev, "r%d", devc->hwrev); | |
194 | devc->ctlbase1 = 0; | |
195 | devc->protocol_trigger.spimode = 0; | |
196 | for (i = 0; i < 4; i++) { | |
197 | devc->protocol_trigger.word[i] = 0; | |
198 | devc->protocol_trigger.mask[i] = 0xff; | |
199 | } | |
200 | ||
201 | if (!(devc->serial = sr_serial_dev_inst_new(conn, serialcomm))) { | |
202 | g_free(devc); | |
203 | return devices; | |
204 | } | |
205 | ||
206 | struct sr_dev_inst *sdi = sr_dev_inst_new(0, SR_ST_INACTIVE, | |
207 | manufacturer, product, hwrev); | |
208 | ||
209 | if (!sdi) { | |
210 | sr_err("Unable to create device instance for %s", | |
211 | sysname); | |
212 | sr_dev_inst_free(sdi); | |
213 | g_free(devc); | |
214 | return devices; | |
215 | } | |
216 | ||
217 | sdi->driver = di; | |
218 | sdi->priv = devc; | |
219 | ||
3f239f08 | 220 | for (i = 0; i < NUM_CHANNELS; i++) { |
ba7dd8bb | 221 | struct sr_channel *ch; |
fca75cbb UH |
222 | chtype = (i == 0) ? SR_CHANNEL_ANALOG : SR_CHANNEL_LOGIC; |
223 | if (!(ch = sr_channel_new(i, chtype, TRUE, | |
ba7dd8bb | 224 | mso19_channel_names[i]))) |
00b44ccb | 225 | return 0; |
ba7dd8bb | 226 | sdi->channels = g_slist_append(sdi->channels, ch); |
00b44ccb UH |
227 | } |
228 | ||
229 | //Add the driver | |
230 | struct drv_context *drvc = di->priv; | |
231 | drvc->instances = g_slist_append(drvc->instances, sdi); | |
232 | devices = g_slist_append(devices, sdi); | |
233 | } | |
5a24e89c | 234 | |
df92e5cf | 235 | return devices; |
236 | } | |
237 | ||
6078d2c9 | 238 | static GSList *dev_list(void) |
df92e5cf | 239 | { |
0e94d524 | 240 | return ((struct drv_context *)(di->priv))->instances; |
df92e5cf | 241 | } |
242 | ||
6078d2c9 | 243 | static int dev_open(struct sr_dev_inst *sdi) |
df92e5cf | 244 | { |
00b44ccb | 245 | int ret; |
df92e5cf | 246 | struct dev_context *devc; |
247 | ||
248 | devc = sdi->priv; | |
249 | ||
250 | if (serial_open(devc->serial, SERIAL_RDWR) != SR_OK) | |
251 | return SR_ERR; | |
252 | ||
253 | sdi->status = SR_ST_ACTIVE; | |
254 | ||
255 | /* FIXME: discard serial buffer */ | |
256 | mso_check_trigger(devc->serial, &devc->trigger_state); | |
257 | sr_dbg("Trigger state: 0x%x.", devc->trigger_state); | |
258 | ||
00b44ccb | 259 | ret = mso_reset_adc(sdi); |
df92e5cf | 260 | if (ret != SR_OK) |
261 | return ret; | |
262 | ||
263 | mso_check_trigger(devc->serial, &devc->trigger_state); | |
264 | sr_dbg("Trigger state: 0x%x.", devc->trigger_state); | |
265 | ||
00b44ccb UH |
266 | // ret = mso_reset_fsm(sdi); |
267 | // if (ret != SR_OK) | |
268 | // return ret; | |
269 | // return SR_ERR; | |
df92e5cf | 270 | |
271 | return SR_OK; | |
272 | } | |
273 | ||
6078d2c9 | 274 | static int cleanup(void) |
df92e5cf | 275 | { |
eea49cf1 | 276 | return dev_clear(); |
df92e5cf | 277 | } |
278 | ||
8f996b89 | 279 | static int config_get(int id, GVariant **data, const struct sr_dev_inst *sdi, |
53b4680f | 280 | const struct sr_channel_group *cg) |
df92e5cf | 281 | { |
282 | struct dev_context *devc; | |
283 | ||
53b4680f | 284 | (void)cg; |
8f996b89 | 285 | |
035a1078 | 286 | switch (id) { |
123e1313 | 287 | case SR_CONF_SAMPLERATE: |
df92e5cf | 288 | if (sdi) { |
289 | devc = sdi->priv; | |
a9ed6877 | 290 | *data = g_variant_new_uint64(devc->cur_rate); |
df92e5cf | 291 | } else |
292 | return SR_ERR; | |
293 | break; | |
294 | default: | |
bd6fbf62 | 295 | return SR_ERR_NA; |
df92e5cf | 296 | } |
297 | ||
298 | return SR_OK; | |
299 | } | |
300 | ||
8f996b89 | 301 | static int config_set(int id, GVariant *data, const struct sr_dev_inst *sdi, |
53b4680f | 302 | const struct sr_channel_group *cg) |
df92e5cf | 303 | { |
df92e5cf | 304 | int ret; |
087a9161 | 305 | struct dev_context *devc; |
ca9b9f48 DE |
306 | uint64_t num_samples; |
307 | const char *slope; | |
00b44ccb | 308 | int trigger_pos; |
a9ed6877 | 309 | double pos; |
00b44ccb | 310 | |
53b4680f | 311 | (void)cg; |
00b44ccb | 312 | devc = sdi->priv; |
087a9161 | 313 | |
df92e5cf | 314 | if (sdi->status != SR_ST_ACTIVE) |
e73ffd42 | 315 | return SR_ERR_DEV_CLOSED; |
df92e5cf | 316 | |
035a1078 | 317 | switch (id) { |
1953564a | 318 | case SR_CONF_SAMPLERATE: |
00b44ccb | 319 | // FIXME |
a9ed6877 | 320 | return mso_configure_rate(sdi, g_variant_get_uint64(data)); |
df92e5cf | 321 | ret = SR_OK; |
322 | break; | |
1953564a | 323 | case SR_CONF_LIMIT_SAMPLES: |
a9ed6877 | 324 | num_samples = g_variant_get_uint64(data); |
5952553f | 325 | if (num_samples != 1024) { |
326 | sr_err("Only 1024 samples are supported."); | |
00b44ccb UH |
327 | ret = SR_ERR_ARG; |
328 | } else { | |
329 | devc->limit_samples = num_samples; | |
330 | sr_dbg("setting limit_samples to %i\n", | |
331 | num_samples); | |
332 | ret = SR_OK; | |
333 | } | |
df92e5cf | 334 | break; |
1953564a | 335 | case SR_CONF_CAPTURE_RATIO: |
00b44ccb UH |
336 | ret = SR_OK; |
337 | break; | |
1953564a | 338 | case SR_CONF_TRIGGER_SLOPE: |
ca9b9f48 DE |
339 | slope = g_variant_get_string(data, NULL); |
340 | ||
341 | if (!slope || !(slope[0] == 'f' || slope[0] == 'r')) | |
00b44ccb UH |
342 | sr_err("Invalid trigger slope"); |
343 | ret = SR_ERR_ARG; | |
344 | } else { | |
ca9b9f48 DE |
345 | devc->trigger_slope = (slope[0] == 'r') |
346 | ? SLOPE_POSITIVE : SLOPE_NEGATIVE; | |
00b44ccb UH |
347 | ret = SR_OK; |
348 | } | |
349 | break; | |
1953564a | 350 | case SR_CONF_HORIZ_TRIGGERPOS: |
a9ed6877 | 351 | pos = g_variant_get_double(data); |
00b44ccb UH |
352 | if (pos < 0 || pos > 255) { |
353 | sr_err("Trigger position (%f) should be between 0 and 255.", pos); | |
354 | ret = SR_ERR_ARG; | |
355 | } else { | |
356 | trigger_pos = (int)pos; | |
357 | devc->trigger_holdoff[0] = trigger_pos & 0xff; | |
358 | ret = SR_OK; | |
359 | } | |
df92e5cf | 360 | break; |
1953564a | 361 | case SR_CONF_RLE: |
00b44ccb | 362 | ret = SR_OK; |
df92e5cf | 363 | break; |
364 | default: | |
bd6fbf62 | 365 | ret = SR_ERR_NA; |
00b44ccb | 366 | break; |
df92e5cf | 367 | } |
368 | ||
369 | return ret; | |
370 | } | |
371 | ||
8f996b89 | 372 | static int config_list(int key, GVariant **data, const struct sr_dev_inst *sdi, |
53b4680f | 373 | const struct sr_channel_group *cg) |
a1c743fc | 374 | { |
a9ed6877 BV |
375 | GVariant *gvar; |
376 | GVariantBuilder gvb; | |
a1c743fc | 377 | |
53b4680f | 378 | (void)cg; |
a1c743fc BV |
379 | (void)sdi; |
380 | ||
381 | switch (key) { | |
9a6517d1 | 382 | case SR_CONF_DEVICE_OPTIONS: |
a9ed6877 BV |
383 | *data = g_variant_new_fixed_array(G_VARIANT_TYPE_INT32, |
384 | hwcaps, ARRAY_SIZE(hwcaps), sizeof(int32_t)); | |
9a6517d1 | 385 | break; |
a1c743fc | 386 | case SR_CONF_SAMPLERATE: |
a9ed6877 BV |
387 | g_variant_builder_init(&gvb, G_VARIANT_TYPE("a{sv}")); |
388 | gvar = g_variant_new_fixed_array(G_VARIANT_TYPE("t"), samplerates, | |
389 | ARRAY_SIZE(samplerates), sizeof(uint64_t)); | |
390 | g_variant_builder_add(&gvb, "{sv}", "samplerate-steps", gvar); | |
391 | *data = g_variant_builder_end(&gvb); | |
a1c743fc | 392 | break; |
c50277a6 | 393 | case SR_CONF_TRIGGER_TYPE: |
a9ed6877 | 394 | *data = g_variant_new_string(TRIGGER_TYPE); |
c50277a6 | 395 | break; |
a1c743fc | 396 | default: |
bd6fbf62 | 397 | return SR_ERR_NA; |
a1c743fc BV |
398 | } |
399 | ||
400 | return SR_OK; | |
401 | } | |
402 | ||
6078d2c9 | 403 | static int dev_acquisition_start(const struct sr_dev_inst *sdi, void *cb_data) |
df92e5cf | 404 | { |
df92e5cf | 405 | struct dev_context *devc; |
df92e5cf | 406 | int ret = SR_ERR; |
00b44ccb | 407 | |
df92e5cf | 408 | if (sdi->status != SR_ST_ACTIVE) |
e73ffd42 BV |
409 | return SR_ERR_DEV_CLOSED; |
410 | ||
411 | devc = sdi->priv; | |
df92e5cf | 412 | |
ba7dd8bb UH |
413 | if (mso_configure_channels(sdi) != SR_OK) { |
414 | sr_err("Failed to configure channels."); | |
5a24e89c | 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 | 458 | /* Send header packet to the session bus. */ |
29a27196 | 459 | std_session_send_df_header(cb_data, LOG_PREFIX); |
df92e5cf | 460 | |
ba7dd8bb | 461 | /* Our first channel is analog, the other 8 are of type 'logic'. */ |
365f04d6 | 462 | /* TODO. */ |
463 | ||
102f1239 BV |
464 | serial_source_add(sdi->session, devc->serial, G_IO_IN, -1, |
465 | mso_receive_data, cb_data); | |
df92e5cf | 466 | |
467 | return SR_OK; | |
468 | } | |
469 | ||
087a9161 | 470 | /* This stops acquisition on ALL devices, ignoring dev_index. */ |
6078d2c9 | 471 | static int dev_acquisition_stop(struct sr_dev_inst *sdi, void *cb_data) |
df92e5cf | 472 | { |
df92e5cf | 473 | (void)cb_data; |
474 | ||
475 | stop_acquisition(sdi); | |
476 | ||
477 | return SR_OK; | |
478 | } | |
479 | ||
480 | SR_PRIV struct sr_dev_driver link_mso19_driver_info = { | |
481 | .name = "link-mso19", | |
482 | .longname = "Link Instruments MSO-19", | |
483 | .api_version = 1, | |
6078d2c9 UH |
484 | .init = init, |
485 | .cleanup = cleanup, | |
486 | .scan = scan, | |
487 | .dev_list = dev_list, | |
eea49cf1 | 488 | .dev_clear = dev_clear, |
035a1078 BV |
489 | .config_get = config_get, |
490 | .config_set = config_set, | |
a1c743fc | 491 | .config_list = config_list, |
6078d2c9 | 492 | .dev_open = dev_open, |
bf2c987f | 493 | .dev_close = std_serial_dev_close, |
6078d2c9 UH |
494 | .dev_acquisition_start = dev_acquisition_start, |
495 | .dev_acquisition_stop = dev_acquisition_stop, | |
df92e5cf | 496 | .priv = NULL, |
497 | }; |