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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 | ||
6ec6c43b | 22 | #include <config.h> |
df92e5cf | 23 | #include "protocol.h" |
24 | ||
f254bc4b | 25 | static const uint32_t devopts[] = { |
365f04d6 | 26 | SR_CONF_OSCILLOSCOPE, |
1953564a | 27 | SR_CONF_LOGIC_ANALYZER, |
5827f61b BV |
28 | SR_CONF_LIMIT_SAMPLES | SR_CONF_SET, |
29 | SR_CONF_SAMPLERATE | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST, | |
30 | SR_CONF_TRIGGER_TYPE | SR_CONF_LIST, | |
31 | SR_CONF_TRIGGER_SLOPE | SR_CONF_SET, | |
32 | SR_CONF_HORIZ_TRIGGERPOS | SR_CONF_SET, | |
33 | SR_CONF_CAPTURE_RATIO | SR_CONF_SET, | |
34 | SR_CONF_RLE | SR_CONF_SET, | |
df92e5cf | 35 | }; |
36 | ||
37 | /* | |
ba7dd8bb | 38 | * Channels are numbered 0 to 7. |
df92e5cf | 39 | * |
40 | * See also: http://www.linkinstruments.com/images/mso19_1113.gif | |
41 | */ | |
0f34cb47 | 42 | static const char *channel_names[] = { |
365f04d6 | 43 | /* Note: DSO needs to be first. */ |
0f34cb47 | 44 | "DSO", "0", "1", "2", "3", "4", "5", "6", "7", |
df92e5cf | 45 | }; |
46 | ||
a9ed6877 BV |
47 | static const uint64_t samplerates[] = { |
48 | SR_HZ(100), | |
49 | SR_MHZ(200), | |
50 | SR_HZ(100), | |
df92e5cf | 51 | }; |
52 | ||
53 | SR_PRIV struct sr_dev_driver link_mso19_driver_info; | |
df92e5cf | 54 | |
eea49cf1 | 55 | /* TODO: Use sr_dev_inst to store connection handle & use std_dev_clear(). */ |
4f840ce9 | 56 | static int dev_clear(const struct sr_dev_driver *di) |
eea49cf1 | 57 | { |
efa98402 | 58 | struct drv_context *drvc = di->context; |
eea49cf1 UH |
59 | GSList *l; |
60 | struct sr_dev_inst *sdi; | |
eea49cf1 UH |
61 | struct dev_context *devc; |
62 | int ret = SR_OK; | |
63 | ||
eea49cf1 UH |
64 | /* Properly close and free all devices. */ |
65 | for (l = drvc->instances; l; l = l->next) { | |
66 | if (!(sdi = l->data)) { | |
67 | /* Log error, but continue cleaning up the rest. */ | |
68 | sr_err("%s: sdi was NULL, continuing", __func__); | |
69 | ret = SR_ERR_BUG; | |
70 | continue; | |
71 | } | |
72 | if (!(devc = sdi->priv)) { | |
73 | /* Log error, but continue cleaning up the rest. */ | |
74 | sr_err("%s: sdi->priv was NULL, continuing", __func__); | |
75 | ret = SR_ERR_BUG; | |
76 | continue; | |
77 | } | |
bf2c987f | 78 | std_serial_dev_close(sdi); |
eea49cf1 UH |
79 | sr_serial_dev_inst_free(devc->serial); |
80 | sr_dev_inst_free(sdi); | |
81 | } | |
82 | g_slist_free(drvc->instances); | |
83 | drvc->instances = NULL; | |
84 | ||
85 | return ret; | |
86 | } | |
87 | ||
4f840ce9 | 88 | static int init(struct sr_dev_driver *di, struct sr_context *sr_ctx) |
df92e5cf | 89 | { |
1f8f5bc0 | 90 | return std_init(di, sr_ctx, LOG_PREFIX); |
df92e5cf | 91 | } |
92 | ||
4f840ce9 | 93 | static GSList *scan(struct sr_dev_driver *di, GSList *options) |
df92e5cf | 94 | { |
00b44ccb UH |
95 | int i; |
96 | GSList *devices = NULL; | |
97 | const char *conn = NULL; | |
98 | const char *serialcomm = NULL; | |
99 | GSList *l; | |
1987b8d6 | 100 | struct sr_config *src; |
00b44ccb | 101 | struct udev *udev; |
fca75cbb | 102 | int chtype; |
df92e5cf | 103 | |
df92e5cf | 104 | for (l = options; l; l = l->next) { |
1987b8d6 BV |
105 | src = l->data; |
106 | switch (src->key) { | |
1953564a | 107 | case SR_CONF_CONN: |
a9ed6877 | 108 | conn = g_variant_get_string(src->data, NULL); |
df92e5cf | 109 | break; |
1953564a | 110 | case SR_CONF_SERIALCOMM: |
06c45a66 | 111 | serialcomm = g_variant_get_string(src->data, NULL); |
df92e5cf | 112 | break; |
113 | } | |
114 | } | |
115 | if (!conn) | |
00b44ccb | 116 | conn = SERIALCONN; |
98fec29e | 117 | if (!serialcomm) |
df92e5cf | 118 | serialcomm = SERIALCOMM; |
119 | ||
00b44ccb | 120 | udev = udev_new(); |
df92e5cf | 121 | if (!udev) { |
122 | sr_err("Failed to initialize udev."); | |
123 | } | |
00b44ccb | 124 | |
df92e5cf | 125 | struct udev_enumerate *enumerate = udev_enumerate_new(udev); |
126 | udev_enumerate_add_match_subsystem(enumerate, "usb-serial"); | |
127 | udev_enumerate_scan_devices(enumerate); | |
128 | struct udev_list_entry *devs = udev_enumerate_get_list_entry(enumerate); | |
129 | struct udev_list_entry *dev_list_entry; | |
00b44ccb UH |
130 | for (dev_list_entry = devs; |
131 | dev_list_entry != NULL; | |
132 | dev_list_entry = udev_list_entry_get_next(dev_list_entry)) { | |
df92e5cf | 133 | const char *syspath = udev_list_entry_get_name(dev_list_entry); |
00b44ccb UH |
134 | struct udev_device *dev = |
135 | udev_device_new_from_syspath(udev, syspath); | |
df92e5cf | 136 | const char *sysname = udev_device_get_sysname(dev); |
00b44ccb UH |
137 | struct udev_device *parent = |
138 | udev_device_get_parent_with_subsystem_devtype(dev, "usb", | |
139 | "usb_device"); | |
df92e5cf | 140 | |
141 | if (!parent) { | |
142 | sr_err("Unable to find parent usb device for %s", | |
143 | sysname); | |
144 | continue; | |
145 | } | |
146 | ||
00b44ccb UH |
147 | const char *idVendor = |
148 | udev_device_get_sysattr_value(parent, "idVendor"); | |
149 | const char *idProduct = | |
150 | udev_device_get_sysattr_value(parent, "idProduct"); | |
df92e5cf | 151 | if (strcmp(USB_VENDOR, idVendor) |
00b44ccb | 152 | || strcmp(USB_PRODUCT, idProduct)) |
df92e5cf | 153 | continue; |
154 | ||
00b44ccb UH |
155 | const char *iSerial = |
156 | udev_device_get_sysattr_value(parent, "serial"); | |
157 | const char *iProduct = | |
158 | udev_device_get_sysattr_value(parent, "product"); | |
df92e5cf | 159 | |
00b44ccb | 160 | char path[32]; |
df92e5cf | 161 | snprintf(path, sizeof(path), "/dev/%s", sysname); |
00b44ccb | 162 | conn = path; |
df92e5cf | 163 | |
164 | size_t s = strcspn(iProduct, " "); | |
00b44ccb UH |
165 | char product[32]; |
166 | char manufacturer[32]; | |
df92e5cf | 167 | if (s > sizeof(product) || |
00b44ccb UH |
168 | strlen(iProduct) - s > sizeof(manufacturer)) { |
169 | sr_err("Could not parse iProduct: %s.", iProduct); | |
df92e5cf | 170 | continue; |
171 | } | |
172 | strncpy(product, iProduct, s); | |
173 | product[s] = 0; | |
4db2aaff | 174 | strcpy(manufacturer, iProduct + s + 1); |
00b44ccb UH |
175 | |
176 | //Create the device context and set its params | |
177 | struct dev_context *devc; | |
f57d8ffe | 178 | devc = g_malloc0(sizeof(struct dev_context)); |
00b44ccb UH |
179 | |
180 | if (mso_parse_serial(iSerial, iProduct, devc) != SR_OK) { | |
181 | sr_err("Invalid iSerial: %s.", iSerial); | |
182 | g_free(devc); | |
183 | return devices; | |
184 | } | |
185 | ||
186 | char hwrev[32]; | |
187 | sprintf(hwrev, "r%d", devc->hwrev); | |
188 | devc->ctlbase1 = 0; | |
189 | devc->protocol_trigger.spimode = 0; | |
190 | for (i = 0; i < 4; i++) { | |
191 | devc->protocol_trigger.word[i] = 0; | |
192 | devc->protocol_trigger.mask[i] = 0xff; | |
193 | } | |
194 | ||
91219afc | 195 | devc->serial = sr_serial_dev_inst_new(conn, serialcomm); |
00b44ccb | 196 | |
aac29cc1 UH |
197 | struct sr_dev_inst *sdi = g_malloc0(sizeof(struct sr_dev_inst)); |
198 | sdi->status = SR_ST_INACTIVE; | |
199 | sdi->vendor = g_strdup(manufacturer); | |
200 | sdi->model = g_strdup(product); | |
201 | sdi->version = g_strdup(hwrev); | |
00b44ccb UH |
202 | |
203 | if (!sdi) { | |
204 | sr_err("Unable to create device instance for %s", | |
205 | sysname); | |
206 | sr_dev_inst_free(sdi); | |
207 | g_free(devc); | |
208 | return devices; | |
209 | } | |
210 | ||
211 | sdi->driver = di; | |
212 | sdi->priv = devc; | |
213 | ||
07962655 | 214 | for (i = 0; i < ARRAY_SIZE(channel_names); i++) { |
fca75cbb | 215 | chtype = (i == 0) ? SR_CHANNEL_ANALOG : SR_CHANNEL_LOGIC; |
0f34cb47 | 216 | sr_channel_new(sdi, i, chtype, TRUE, channel_names[i]); |
00b44ccb UH |
217 | } |
218 | ||
219 | //Add the driver | |
41812aca | 220 | struct drv_context *drvc = di->context; |
00b44ccb UH |
221 | drvc->instances = g_slist_append(drvc->instances, sdi); |
222 | devices = g_slist_append(devices, sdi); | |
223 | } | |
5a24e89c | 224 | |
df92e5cf | 225 | return devices; |
226 | } | |
227 | ||
6078d2c9 | 228 | static int dev_open(struct sr_dev_inst *sdi) |
df92e5cf | 229 | { |
00b44ccb | 230 | int ret; |
df92e5cf | 231 | struct dev_context *devc; |
232 | ||
233 | devc = sdi->priv; | |
234 | ||
235 | if (serial_open(devc->serial, SERIAL_RDWR) != SR_OK) | |
236 | return SR_ERR; | |
237 | ||
238 | sdi->status = SR_ST_ACTIVE; | |
239 | ||
240 | /* FIXME: discard serial buffer */ | |
241 | mso_check_trigger(devc->serial, &devc->trigger_state); | |
242 | sr_dbg("Trigger state: 0x%x.", devc->trigger_state); | |
243 | ||
00b44ccb | 244 | ret = mso_reset_adc(sdi); |
df92e5cf | 245 | if (ret != SR_OK) |
246 | return ret; | |
247 | ||
248 | mso_check_trigger(devc->serial, &devc->trigger_state); | |
249 | sr_dbg("Trigger state: 0x%x.", devc->trigger_state); | |
250 | ||
00b44ccb UH |
251 | // ret = mso_reset_fsm(sdi); |
252 | // if (ret != SR_OK) | |
253 | // return ret; | |
254 | // return SR_ERR; | |
df92e5cf | 255 | |
256 | return SR_OK; | |
257 | } | |
258 | ||
2ea67fc9 | 259 | static int config_get(int key, GVariant **data, const struct sr_dev_inst *sdi, |
53b4680f | 260 | const struct sr_channel_group *cg) |
df92e5cf | 261 | { |
262 | struct dev_context *devc; | |
263 | ||
53b4680f | 264 | (void)cg; |
8f996b89 | 265 | |
2ea67fc9 | 266 | switch (key) { |
123e1313 | 267 | case SR_CONF_SAMPLERATE: |
df92e5cf | 268 | if (sdi) { |
269 | devc = sdi->priv; | |
a9ed6877 | 270 | *data = g_variant_new_uint64(devc->cur_rate); |
df92e5cf | 271 | } else |
272 | return SR_ERR; | |
273 | break; | |
274 | default: | |
bd6fbf62 | 275 | return SR_ERR_NA; |
df92e5cf | 276 | } |
277 | ||
278 | return SR_OK; | |
279 | } | |
280 | ||
2ea67fc9 | 281 | static int config_set(int key, GVariant *data, const struct sr_dev_inst *sdi, |
53b4680f | 282 | const struct sr_channel_group *cg) |
df92e5cf | 283 | { |
df92e5cf | 284 | int ret; |
087a9161 | 285 | struct dev_context *devc; |
ca9b9f48 DE |
286 | uint64_t num_samples; |
287 | const char *slope; | |
00b44ccb | 288 | int trigger_pos; |
a9ed6877 | 289 | double pos; |
00b44ccb | 290 | |
53b4680f | 291 | (void)cg; |
00b44ccb | 292 | devc = sdi->priv; |
087a9161 | 293 | |
df92e5cf | 294 | if (sdi->status != SR_ST_ACTIVE) |
e73ffd42 | 295 | return SR_ERR_DEV_CLOSED; |
df92e5cf | 296 | |
2ea67fc9 | 297 | switch (key) { |
1953564a | 298 | case SR_CONF_SAMPLERATE: |
00b44ccb | 299 | // FIXME |
a9ed6877 | 300 | return mso_configure_rate(sdi, g_variant_get_uint64(data)); |
df92e5cf | 301 | ret = SR_OK; |
302 | break; | |
1953564a | 303 | case SR_CONF_LIMIT_SAMPLES: |
a9ed6877 | 304 | num_samples = g_variant_get_uint64(data); |
5952553f | 305 | if (num_samples != 1024) { |
306 | sr_err("Only 1024 samples are supported."); | |
00b44ccb UH |
307 | ret = SR_ERR_ARG; |
308 | } else { | |
309 | devc->limit_samples = num_samples; | |
00b44ccb UH |
310 | ret = SR_OK; |
311 | } | |
df92e5cf | 312 | break; |
1953564a | 313 | case SR_CONF_CAPTURE_RATIO: |
00b44ccb UH |
314 | ret = SR_OK; |
315 | break; | |
1953564a | 316 | case SR_CONF_TRIGGER_SLOPE: |
ca9b9f48 DE |
317 | slope = g_variant_get_string(data, NULL); |
318 | ||
319 | if (!slope || !(slope[0] == 'f' || slope[0] == 'r')) | |
00b44ccb UH |
320 | sr_err("Invalid trigger slope"); |
321 | ret = SR_ERR_ARG; | |
322 | } else { | |
ca9b9f48 DE |
323 | devc->trigger_slope = (slope[0] == 'r') |
324 | ? SLOPE_POSITIVE : SLOPE_NEGATIVE; | |
00b44ccb UH |
325 | ret = SR_OK; |
326 | } | |
327 | break; | |
1953564a | 328 | case SR_CONF_HORIZ_TRIGGERPOS: |
a9ed6877 | 329 | pos = g_variant_get_double(data); |
00b44ccb UH |
330 | if (pos < 0 || pos > 255) { |
331 | sr_err("Trigger position (%f) should be between 0 and 255.", pos); | |
332 | ret = SR_ERR_ARG; | |
333 | } else { | |
334 | trigger_pos = (int)pos; | |
335 | devc->trigger_holdoff[0] = trigger_pos & 0xff; | |
336 | ret = SR_OK; | |
337 | } | |
df92e5cf | 338 | break; |
1953564a | 339 | case SR_CONF_RLE: |
00b44ccb | 340 | ret = SR_OK; |
df92e5cf | 341 | break; |
342 | default: | |
bd6fbf62 | 343 | ret = SR_ERR_NA; |
00b44ccb | 344 | break; |
df92e5cf | 345 | } |
346 | ||
347 | return ret; | |
348 | } | |
349 | ||
8f996b89 | 350 | static int config_list(int key, GVariant **data, const struct sr_dev_inst *sdi, |
53b4680f | 351 | const struct sr_channel_group *cg) |
a1c743fc | 352 | { |
a9ed6877 BV |
353 | GVariant *gvar; |
354 | GVariantBuilder gvb; | |
a1c743fc | 355 | |
53b4680f | 356 | (void)cg; |
a1c743fc BV |
357 | (void)sdi; |
358 | ||
359 | switch (key) { | |
9a6517d1 | 360 | case SR_CONF_DEVICE_OPTIONS: |
584560f1 | 361 | *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32, |
f254bc4b | 362 | devopts, ARRAY_SIZE(devopts), sizeof(uint32_t)); |
9a6517d1 | 363 | break; |
a1c743fc | 364 | case SR_CONF_SAMPLERATE: |
a9ed6877 BV |
365 | g_variant_builder_init(&gvb, G_VARIANT_TYPE("a{sv}")); |
366 | gvar = g_variant_new_fixed_array(G_VARIANT_TYPE("t"), samplerates, | |
367 | ARRAY_SIZE(samplerates), sizeof(uint64_t)); | |
368 | g_variant_builder_add(&gvb, "{sv}", "samplerate-steps", gvar); | |
369 | *data = g_variant_builder_end(&gvb); | |
a1c743fc | 370 | break; |
c50277a6 | 371 | case SR_CONF_TRIGGER_TYPE: |
a9ed6877 | 372 | *data = g_variant_new_string(TRIGGER_TYPE); |
c50277a6 | 373 | break; |
a1c743fc | 374 | default: |
bd6fbf62 | 375 | return SR_ERR_NA; |
a1c743fc BV |
376 | } |
377 | ||
378 | return SR_OK; | |
379 | } | |
380 | ||
695dc859 | 381 | static int dev_acquisition_start(const struct sr_dev_inst *sdi) |
df92e5cf | 382 | { |
df92e5cf | 383 | struct dev_context *devc; |
df92e5cf | 384 | int ret = SR_ERR; |
00b44ccb | 385 | |
df92e5cf | 386 | if (sdi->status != SR_ST_ACTIVE) |
e73ffd42 BV |
387 | return SR_ERR_DEV_CLOSED; |
388 | ||
389 | devc = sdi->priv; | |
df92e5cf | 390 | |
ba7dd8bb UH |
391 | if (mso_configure_channels(sdi) != SR_OK) { |
392 | sr_err("Failed to configure channels."); | |
5a24e89c | 393 | return SR_ERR; |
394 | } | |
df92e5cf | 395 | |
df92e5cf | 396 | /* FIXME: No need to do full reconfigure every time */ |
00b44ccb UH |
397 | // ret = mso_reset_fsm(sdi); |
398 | // if (ret != SR_OK) | |
399 | // return ret; | |
df92e5cf | 400 | |
401 | /* FIXME: ACDC Mode */ | |
402 | devc->ctlbase1 &= 0x7f; | |
00b44ccb | 403 | // devc->ctlbase1 |= devc->acdcmode; |
df92e5cf | 404 | |
405 | ret = mso_configure_rate(sdi, devc->cur_rate); | |
406 | if (ret != SR_OK) | |
407 | return ret; | |
408 | ||
409 | /* set dac offset */ | |
410 | ret = mso_dac_out(sdi, devc->dac_offset); | |
411 | if (ret != SR_OK) | |
412 | return ret; | |
413 | ||
414 | ret = mso_configure_threshold_level(sdi); | |
415 | if (ret != SR_OK) | |
416 | return ret; | |
417 | ||
418 | ret = mso_configure_trigger(sdi); | |
419 | if (ret != SR_OK) | |
420 | return ret; | |
421 | ||
df92e5cf | 422 | /* END of config hardware part */ |
00b44ccb UH |
423 | ret = mso_arm(sdi); |
424 | if (ret != SR_OK) | |
425 | return ret; | |
df92e5cf | 426 | |
427 | /* Start acquisition on the device. */ | |
4db2aaff | 428 | mso_check_trigger(devc->serial, &devc->trigger_state); |
429 | ret = mso_check_trigger(devc->serial, NULL); | |
df92e5cf | 430 | if (ret != SR_OK) |
431 | return ret; | |
432 | ||
365f04d6 | 433 | /* Reset trigger state. */ |
434 | devc->trigger_state = 0x00; | |
435 | ||
695dc859 | 436 | std_session_send_df_header(sdi, LOG_PREFIX); |
df92e5cf | 437 | |
ba7dd8bb | 438 | /* Our first channel is analog, the other 8 are of type 'logic'. */ |
365f04d6 | 439 | /* TODO. */ |
440 | ||
102f1239 | 441 | serial_source_add(sdi->session, devc->serial, G_IO_IN, -1, |
695dc859 | 442 | mso_receive_data, sdi); |
df92e5cf | 443 | |
444 | return SR_OK; | |
445 | } | |
446 | ||
087a9161 | 447 | /* This stops acquisition on ALL devices, ignoring dev_index. */ |
695dc859 | 448 | static int dev_acquisition_stop(struct sr_dev_inst *sdi) |
df92e5cf | 449 | { |
df92e5cf | 450 | stop_acquisition(sdi); |
451 | ||
452 | return SR_OK; | |
453 | } | |
454 | ||
455 | SR_PRIV struct sr_dev_driver link_mso19_driver_info = { | |
456 | .name = "link-mso19", | |
457 | .longname = "Link Instruments MSO-19", | |
458 | .api_version = 1, | |
6078d2c9 | 459 | .init = init, |
700d6b64 | 460 | .cleanup = std_cleanup, |
6078d2c9 | 461 | .scan = scan, |
c01bf34c | 462 | .dev_list = std_dev_list, |
eea49cf1 | 463 | .dev_clear = dev_clear, |
035a1078 BV |
464 | .config_get = config_get, |
465 | .config_set = config_set, | |
a1c743fc | 466 | .config_list = config_list, |
6078d2c9 | 467 | .dev_open = dev_open, |
bf2c987f | 468 | .dev_close = std_serial_dev_close, |
6078d2c9 UH |
469 | .dev_acquisition_start = dev_acquisition_start, |
470 | .dev_acquisition_stop = dev_acquisition_stop, | |
41812aca | 471 | .context = NULL, |
df92e5cf | 472 | }; |