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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 | ||
f254bc4b | 24 | static const uint32_t devopts[] = { |
365f04d6 | 25 | SR_CONF_OSCILLOSCOPE, |
1953564a | 26 | SR_CONF_LOGIC_ANALYZER, |
5827f61b BV |
27 | SR_CONF_LIMIT_SAMPLES | SR_CONF_SET, |
28 | SR_CONF_SAMPLERATE | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST, | |
29 | SR_CONF_TRIGGER_TYPE | SR_CONF_LIST, | |
30 | SR_CONF_TRIGGER_SLOPE | SR_CONF_SET, | |
31 | SR_CONF_HORIZ_TRIGGERPOS | SR_CONF_SET, | |
32 | SR_CONF_CAPTURE_RATIO | SR_CONF_SET, | |
33 | SR_CONF_RLE | SR_CONF_SET, | |
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 | */ | |
0f34cb47 | 41 | static const char *channel_names[] = { |
365f04d6 | 42 | /* Note: DSO needs to be first. */ |
0f34cb47 | 43 | "DSO", "0", "1", "2", "3", "4", "5", "6", "7", |
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; | |
df92e5cf | 53 | |
eea49cf1 | 54 | /* TODO: Use sr_dev_inst to store connection handle & use std_dev_clear(). */ |
4f840ce9 | 55 | static int dev_clear(const struct sr_dev_driver *di) |
eea49cf1 UH |
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 | ||
4f840ce9 | 90 | static int init(struct sr_dev_driver *di, struct sr_context *sr_ctx) |
df92e5cf | 91 | { |
f6beaac5 | 92 | return std_init(sr_ctx, di, LOG_PREFIX); |
df92e5cf | 93 | } |
94 | ||
4f840ce9 | 95 | static GSList *scan(struct sr_dev_driver *di, 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; |
fca75cbb | 104 | int chtype; |
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; | |
f57d8ffe | 180 | devc = g_malloc0(sizeof(struct dev_context)); |
00b44ccb UH |
181 | |
182 | if (mso_parse_serial(iSerial, iProduct, devc) != SR_OK) { | |
183 | sr_err("Invalid iSerial: %s.", iSerial); | |
184 | g_free(devc); | |
185 | return devices; | |
186 | } | |
187 | ||
188 | char hwrev[32]; | |
189 | sprintf(hwrev, "r%d", devc->hwrev); | |
190 | devc->ctlbase1 = 0; | |
191 | devc->protocol_trigger.spimode = 0; | |
192 | for (i = 0; i < 4; i++) { | |
193 | devc->protocol_trigger.word[i] = 0; | |
194 | devc->protocol_trigger.mask[i] = 0xff; | |
195 | } | |
196 | ||
91219afc | 197 | devc->serial = sr_serial_dev_inst_new(conn, serialcomm); |
00b44ccb | 198 | |
aac29cc1 UH |
199 | struct sr_dev_inst *sdi = g_malloc0(sizeof(struct sr_dev_inst)); |
200 | sdi->status = SR_ST_INACTIVE; | |
201 | sdi->vendor = g_strdup(manufacturer); | |
202 | sdi->model = g_strdup(product); | |
203 | sdi->version = g_strdup(hwrev); | |
00b44ccb UH |
204 | |
205 | if (!sdi) { | |
206 | sr_err("Unable to create device instance for %s", | |
207 | sysname); | |
208 | sr_dev_inst_free(sdi); | |
209 | g_free(devc); | |
210 | return devices; | |
211 | } | |
212 | ||
213 | sdi->driver = di; | |
214 | sdi->priv = devc; | |
215 | ||
3f239f08 | 216 | for (i = 0; i < NUM_CHANNELS; i++) { |
fca75cbb | 217 | chtype = (i == 0) ? SR_CHANNEL_ANALOG : SR_CHANNEL_LOGIC; |
0f34cb47 | 218 | sr_channel_new(sdi, i, chtype, TRUE, channel_names[i]); |
00b44ccb UH |
219 | } |
220 | ||
221 | //Add the driver | |
222 | struct drv_context *drvc = di->priv; | |
223 | drvc->instances = g_slist_append(drvc->instances, sdi); | |
224 | devices = g_slist_append(devices, sdi); | |
225 | } | |
5a24e89c | 226 | |
df92e5cf | 227 | return devices; |
228 | } | |
229 | ||
4f840ce9 | 230 | static GSList *dev_list(const struct sr_dev_driver *di) |
df92e5cf | 231 | { |
0e94d524 | 232 | return ((struct drv_context *)(di->priv))->instances; |
df92e5cf | 233 | } |
234 | ||
6078d2c9 | 235 | static int dev_open(struct sr_dev_inst *sdi) |
df92e5cf | 236 | { |
00b44ccb | 237 | int ret; |
df92e5cf | 238 | struct dev_context *devc; |
239 | ||
240 | devc = sdi->priv; | |
241 | ||
242 | if (serial_open(devc->serial, SERIAL_RDWR) != SR_OK) | |
243 | return SR_ERR; | |
244 | ||
245 | sdi->status = SR_ST_ACTIVE; | |
246 | ||
247 | /* FIXME: discard serial buffer */ | |
248 | mso_check_trigger(devc->serial, &devc->trigger_state); | |
249 | sr_dbg("Trigger state: 0x%x.", devc->trigger_state); | |
250 | ||
00b44ccb | 251 | ret = mso_reset_adc(sdi); |
df92e5cf | 252 | if (ret != SR_OK) |
253 | return ret; | |
254 | ||
255 | mso_check_trigger(devc->serial, &devc->trigger_state); | |
256 | sr_dbg("Trigger state: 0x%x.", devc->trigger_state); | |
257 | ||
00b44ccb UH |
258 | // ret = mso_reset_fsm(sdi); |
259 | // if (ret != SR_OK) | |
260 | // return ret; | |
261 | // return SR_ERR; | |
df92e5cf | 262 | |
263 | return SR_OK; | |
264 | } | |
265 | ||
4f840ce9 | 266 | static int cleanup(const struct sr_dev_driver *di) |
df92e5cf | 267 | { |
eea49cf1 | 268 | return dev_clear(); |
df92e5cf | 269 | } |
270 | ||
8f996b89 | 271 | static int config_get(int id, GVariant **data, const struct sr_dev_inst *sdi, |
53b4680f | 272 | const struct sr_channel_group *cg) |
df92e5cf | 273 | { |
274 | struct dev_context *devc; | |
275 | ||
53b4680f | 276 | (void)cg; |
8f996b89 | 277 | |
035a1078 | 278 | switch (id) { |
123e1313 | 279 | case SR_CONF_SAMPLERATE: |
df92e5cf | 280 | if (sdi) { |
281 | devc = sdi->priv; | |
a9ed6877 | 282 | *data = g_variant_new_uint64(devc->cur_rate); |
df92e5cf | 283 | } else |
284 | return SR_ERR; | |
285 | break; | |
286 | default: | |
bd6fbf62 | 287 | return SR_ERR_NA; |
df92e5cf | 288 | } |
289 | ||
290 | return SR_OK; | |
291 | } | |
292 | ||
8f996b89 | 293 | static int config_set(int id, GVariant *data, const struct sr_dev_inst *sdi, |
53b4680f | 294 | const struct sr_channel_group *cg) |
df92e5cf | 295 | { |
df92e5cf | 296 | int ret; |
087a9161 | 297 | struct dev_context *devc; |
ca9b9f48 DE |
298 | uint64_t num_samples; |
299 | const char *slope; | |
00b44ccb | 300 | int trigger_pos; |
a9ed6877 | 301 | double pos; |
00b44ccb | 302 | |
53b4680f | 303 | (void)cg; |
00b44ccb | 304 | devc = sdi->priv; |
087a9161 | 305 | |
df92e5cf | 306 | if (sdi->status != SR_ST_ACTIVE) |
e73ffd42 | 307 | return SR_ERR_DEV_CLOSED; |
df92e5cf | 308 | |
035a1078 | 309 | switch (id) { |
1953564a | 310 | case SR_CONF_SAMPLERATE: |
00b44ccb | 311 | // FIXME |
a9ed6877 | 312 | return mso_configure_rate(sdi, g_variant_get_uint64(data)); |
df92e5cf | 313 | ret = SR_OK; |
314 | break; | |
1953564a | 315 | case SR_CONF_LIMIT_SAMPLES: |
a9ed6877 | 316 | num_samples = g_variant_get_uint64(data); |
5952553f | 317 | if (num_samples != 1024) { |
318 | sr_err("Only 1024 samples are supported."); | |
00b44ccb UH |
319 | ret = SR_ERR_ARG; |
320 | } else { | |
321 | devc->limit_samples = num_samples; | |
00b44ccb UH |
322 | ret = SR_OK; |
323 | } | |
df92e5cf | 324 | break; |
1953564a | 325 | case SR_CONF_CAPTURE_RATIO: |
00b44ccb UH |
326 | ret = SR_OK; |
327 | break; | |
1953564a | 328 | case SR_CONF_TRIGGER_SLOPE: |
ca9b9f48 DE |
329 | slope = g_variant_get_string(data, NULL); |
330 | ||
331 | if (!slope || !(slope[0] == 'f' || slope[0] == 'r')) | |
00b44ccb UH |
332 | sr_err("Invalid trigger slope"); |
333 | ret = SR_ERR_ARG; | |
334 | } else { | |
ca9b9f48 DE |
335 | devc->trigger_slope = (slope[0] == 'r') |
336 | ? SLOPE_POSITIVE : SLOPE_NEGATIVE; | |
00b44ccb UH |
337 | ret = SR_OK; |
338 | } | |
339 | break; | |
1953564a | 340 | case SR_CONF_HORIZ_TRIGGERPOS: |
a9ed6877 | 341 | pos = g_variant_get_double(data); |
00b44ccb UH |
342 | if (pos < 0 || pos > 255) { |
343 | sr_err("Trigger position (%f) should be between 0 and 255.", pos); | |
344 | ret = SR_ERR_ARG; | |
345 | } else { | |
346 | trigger_pos = (int)pos; | |
347 | devc->trigger_holdoff[0] = trigger_pos & 0xff; | |
348 | ret = SR_OK; | |
349 | } | |
df92e5cf | 350 | break; |
1953564a | 351 | case SR_CONF_RLE: |
00b44ccb | 352 | ret = SR_OK; |
df92e5cf | 353 | break; |
354 | default: | |
bd6fbf62 | 355 | ret = SR_ERR_NA; |
00b44ccb | 356 | break; |
df92e5cf | 357 | } |
358 | ||
359 | return ret; | |
360 | } | |
361 | ||
8f996b89 | 362 | static int config_list(int key, GVariant **data, const struct sr_dev_inst *sdi, |
53b4680f | 363 | const struct sr_channel_group *cg) |
a1c743fc | 364 | { |
a9ed6877 BV |
365 | GVariant *gvar; |
366 | GVariantBuilder gvb; | |
a1c743fc | 367 | |
53b4680f | 368 | (void)cg; |
a1c743fc BV |
369 | (void)sdi; |
370 | ||
371 | switch (key) { | |
9a6517d1 | 372 | case SR_CONF_DEVICE_OPTIONS: |
584560f1 | 373 | *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32, |
f254bc4b | 374 | devopts, ARRAY_SIZE(devopts), sizeof(uint32_t)); |
9a6517d1 | 375 | break; |
a1c743fc | 376 | case SR_CONF_SAMPLERATE: |
a9ed6877 BV |
377 | g_variant_builder_init(&gvb, G_VARIANT_TYPE("a{sv}")); |
378 | gvar = g_variant_new_fixed_array(G_VARIANT_TYPE("t"), samplerates, | |
379 | ARRAY_SIZE(samplerates), sizeof(uint64_t)); | |
380 | g_variant_builder_add(&gvb, "{sv}", "samplerate-steps", gvar); | |
381 | *data = g_variant_builder_end(&gvb); | |
a1c743fc | 382 | break; |
c50277a6 | 383 | case SR_CONF_TRIGGER_TYPE: |
a9ed6877 | 384 | *data = g_variant_new_string(TRIGGER_TYPE); |
c50277a6 | 385 | break; |
a1c743fc | 386 | default: |
bd6fbf62 | 387 | return SR_ERR_NA; |
a1c743fc BV |
388 | } |
389 | ||
390 | return SR_OK; | |
391 | } | |
392 | ||
6078d2c9 | 393 | static int dev_acquisition_start(const struct sr_dev_inst *sdi, void *cb_data) |
df92e5cf | 394 | { |
df92e5cf | 395 | struct dev_context *devc; |
df92e5cf | 396 | int ret = SR_ERR; |
00b44ccb | 397 | |
df92e5cf | 398 | if (sdi->status != SR_ST_ACTIVE) |
e73ffd42 BV |
399 | return SR_ERR_DEV_CLOSED; |
400 | ||
401 | devc = sdi->priv; | |
df92e5cf | 402 | |
ba7dd8bb UH |
403 | if (mso_configure_channels(sdi) != SR_OK) { |
404 | sr_err("Failed to configure channels."); | |
5a24e89c | 405 | return SR_ERR; |
406 | } | |
df92e5cf | 407 | |
df92e5cf | 408 | /* FIXME: No need to do full reconfigure every time */ |
00b44ccb UH |
409 | // ret = mso_reset_fsm(sdi); |
410 | // if (ret != SR_OK) | |
411 | // return ret; | |
df92e5cf | 412 | |
413 | /* FIXME: ACDC Mode */ | |
414 | devc->ctlbase1 &= 0x7f; | |
00b44ccb | 415 | // devc->ctlbase1 |= devc->acdcmode; |
df92e5cf | 416 | |
417 | ret = mso_configure_rate(sdi, devc->cur_rate); | |
418 | if (ret != SR_OK) | |
419 | return ret; | |
420 | ||
421 | /* set dac offset */ | |
422 | ret = mso_dac_out(sdi, devc->dac_offset); | |
423 | if (ret != SR_OK) | |
424 | return ret; | |
425 | ||
426 | ret = mso_configure_threshold_level(sdi); | |
427 | if (ret != SR_OK) | |
428 | return ret; | |
429 | ||
430 | ret = mso_configure_trigger(sdi); | |
431 | if (ret != SR_OK) | |
432 | return ret; | |
433 | ||
df92e5cf | 434 | /* END of config hardware part */ |
00b44ccb UH |
435 | ret = mso_arm(sdi); |
436 | if (ret != SR_OK) | |
437 | return ret; | |
df92e5cf | 438 | |
439 | /* Start acquisition on the device. */ | |
4db2aaff | 440 | mso_check_trigger(devc->serial, &devc->trigger_state); |
441 | ret = mso_check_trigger(devc->serial, NULL); | |
df92e5cf | 442 | if (ret != SR_OK) |
443 | return ret; | |
444 | ||
365f04d6 | 445 | /* Reset trigger state. */ |
446 | devc->trigger_state = 0x00; | |
447 | ||
4afdfd46 | 448 | /* Send header packet to the session bus. */ |
29a27196 | 449 | std_session_send_df_header(cb_data, LOG_PREFIX); |
df92e5cf | 450 | |
ba7dd8bb | 451 | /* Our first channel is analog, the other 8 are of type 'logic'. */ |
365f04d6 | 452 | /* TODO. */ |
453 | ||
102f1239 BV |
454 | serial_source_add(sdi->session, devc->serial, G_IO_IN, -1, |
455 | mso_receive_data, cb_data); | |
df92e5cf | 456 | |
457 | return SR_OK; | |
458 | } | |
459 | ||
087a9161 | 460 | /* This stops acquisition on ALL devices, ignoring dev_index. */ |
6078d2c9 | 461 | static int dev_acquisition_stop(struct sr_dev_inst *sdi, void *cb_data) |
df92e5cf | 462 | { |
df92e5cf | 463 | (void)cb_data; |
464 | ||
465 | stop_acquisition(sdi); | |
466 | ||
467 | return SR_OK; | |
468 | } | |
469 | ||
470 | SR_PRIV struct sr_dev_driver link_mso19_driver_info = { | |
471 | .name = "link-mso19", | |
472 | .longname = "Link Instruments MSO-19", | |
473 | .api_version = 1, | |
6078d2c9 UH |
474 | .init = init, |
475 | .cleanup = cleanup, | |
476 | .scan = scan, | |
477 | .dev_list = dev_list, | |
eea49cf1 | 478 | .dev_clear = dev_clear, |
035a1078 BV |
479 | .config_get = config_get, |
480 | .config_set = config_set, | |
a1c743fc | 481 | .config_list = config_list, |
6078d2c9 | 482 | .dev_open = dev_open, |
bf2c987f | 483 | .dev_close = std_serial_dev_close, |
6078d2c9 UH |
484 | .dev_acquisition_start = dev_acquisition_start, |
485 | .dev_acquisition_stop = dev_acquisition_stop, | |
df92e5cf | 486 | .priv = NULL, |
487 | }; |