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f2cd2deb FS |
1 | /* |
2 | * This file is part of the libsigrok project. | |
3 | * | |
4 | * Copyright (C) 2020 Florian Schmidt <schmidt_florian@gmx.de> | |
5 | * Copyright (C) 2013 Marcus Comstedt <marcus@mc.pp.se> | |
6 | * Copyright (C) 2013 Bert Vermeulen <bert@biot.com> | |
7 | * Copyright (C) 2012 Joel Holdsworth <joel@airwebreathe.org.uk> | |
8 | * | |
9 | * This program is free software: you can redistribute it and/or modify | |
10 | * it under the terms of the GNU General Public License as published by | |
11 | * the Free Software Foundation, either version 3 of the License, or | |
12 | * (at your option) any later version. | |
13 | * | |
14 | * This program is distributed in the hope that it will be useful, | |
15 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
16 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
17 | * GNU General Public License for more details. | |
18 | * | |
19 | * You should have received a copy of the GNU General Public License | |
20 | * along with this program. If not, see <http://www.gnu.org/licenses/>. | |
21 | */ | |
22 | ||
96dc954e GS |
23 | /* |
24 | * This driver implementation initially was derived from the | |
25 | * src/hardware/saleae-logic16/ source code. | |
26 | */ | |
f2cd2deb FS |
27 | |
28 | #include <config.h> | |
a7740b06 | 29 | |
a7740b06 | 30 | #include <libsigrok/libsigrok.h> |
f2cd2deb | 31 | #include <string.h> |
a7740b06 | 32 | |
f2cd2deb FS |
33 | #include "libsigrok-internal.h" |
34 | #include "protocol.h" | |
35 | ||
36 | static const uint32_t scanopts[] = { | |
37 | SR_CONF_CONN, | |
38 | }; | |
39 | ||
40 | static const uint32_t drvopts[] = { | |
41 | SR_CONF_LOGIC_ANALYZER, | |
331277e0 | 42 | SR_CONF_SIGNAL_GENERATOR, |
f2cd2deb FS |
43 | }; |
44 | ||
45 | static const uint32_t devopts[] = { | |
46 | /* TODO: SR_CONF_CONTINUOUS, */ | |
47 | SR_CONF_CONN | SR_CONF_GET, | |
48 | SR_CONF_SAMPLERATE | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST, | |
a38f0f5e GS |
49 | SR_CONF_LIMIT_SAMPLES | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST, |
50 | SR_CONF_LIMIT_MSEC | SR_CONF_GET | SR_CONF_SET, | |
9270f8f4 | 51 | #if WITH_THRESHOLD_DEVCFG |
f2cd2deb | 52 | SR_CONF_VOLTAGE_THRESHOLD | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST, |
9270f8f4 | 53 | #endif |
f2cd2deb FS |
54 | SR_CONF_TRIGGER_MATCH | SR_CONF_LIST, |
55 | SR_CONF_CAPTURE_RATIO | SR_CONF_GET | SR_CONF_SET, | |
56 | }; | |
57 | ||
9270f8f4 GS |
58 | static const uint32_t devopts_cg_logic[] = { |
59 | #if !WITH_THRESHOLD_DEVCFG | |
60 | SR_CONF_VOLTAGE_THRESHOLD | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST, | |
61 | #endif | |
62 | }; | |
63 | ||
331277e0 GS |
64 | static const uint32_t devopts_cg_pwm[] = { |
65 | SR_CONF_ENABLED | SR_CONF_GET | SR_CONF_SET, | |
66 | SR_CONF_OUTPUT_FREQUENCY | SR_CONF_GET | SR_CONF_SET, | |
67 | SR_CONF_DUTY_CYCLE | SR_CONF_GET | SR_CONF_SET, | |
68 | }; | |
69 | ||
f2cd2deb FS |
70 | static const int32_t trigger_matches[] = { |
71 | SR_TRIGGER_ZERO, | |
72 | SR_TRIGGER_ONE, | |
73 | SR_TRIGGER_RISING, | |
74 | SR_TRIGGER_FALLING, | |
75 | }; | |
76 | ||
d466f61c | 77 | static const char *channel_names_logic[] = { |
da25c287 GS |
78 | "CH0", "CH1", "CH2", "CH3", "CH4", "CH5", "CH6", "CH7", |
79 | "CH8", "CH9", "CH10", "CH11", "CH12", "CH13", "CH14", "CH15", | |
d466f61c GS |
80 | "CH16", "CH17", "CH18", "CH19", "CH20", "CH21", "CH22", "CH23", |
81 | "CH24", "CH25", "CH26", "CH27", "CH28", "CH29", "CH30", "CH31", | |
f2cd2deb FS |
82 | }; |
83 | ||
331277e0 GS |
84 | static const char *channel_names_pwm[] = { |
85 | "PWM1", "PWM2", | |
86 | }; | |
87 | ||
ea436ba7 | 88 | /* |
330853ba | 89 | * The hardware uses a 100/200/500MHz base clock (model dependent) and |
ea436ba7 GS |
90 | * a 16bit divider (common across all models). The range from 10kHz to |
91 | * 100/200/500MHz should be applicable to all devices. High rates may | |
92 | * suffer from coarse resolution (e.g. in the "500MHz div 2" case) and | |
330853ba GS |
93 | * may not provide the desired 1/2/5 steps. Fortunately this exclusively |
94 | * affects the 500MHz model where 250MHz is used instead of 200MHz and | |
95 | * the 166MHz and 125MHz rates are not presented to users. Deep memory | |
96 | * of these models and hardware compression reduce the necessity to let | |
97 | * users pick from a huge list of possible rates. | |
98 | * | |
ea436ba7 GS |
99 | */ |
100 | ||
330853ba GS |
101 | static const uint64_t rates_500mhz[] = { |
102 | SR_KHZ(10), | |
103 | SR_KHZ(20), | |
104 | SR_KHZ(50), | |
105 | SR_KHZ(100), | |
106 | SR_KHZ(200), | |
107 | SR_KHZ(500), | |
108 | SR_MHZ(1), | |
109 | SR_MHZ(2), | |
110 | SR_MHZ(5), | |
111 | SR_MHZ(10), | |
112 | SR_MHZ(20), | |
113 | SR_MHZ(50), | |
114 | SR_MHZ(100), | |
115 | SR_MHZ(250), | |
116 | SR_MHZ(500), | |
117 | }; | |
118 | ||
119 | static const uint64_t rates_200mhz[] = { | |
ea436ba7 | 120 | SR_KHZ(10), |
f2cd2deb FS |
121 | SR_KHZ(20), |
122 | SR_KHZ(50), | |
123 | SR_KHZ(100), | |
124 | SR_KHZ(200), | |
125 | SR_KHZ(500), | |
126 | SR_MHZ(1), | |
127 | SR_MHZ(2), | |
f2cd2deb | 128 | SR_MHZ(5), |
f2cd2deb FS |
129 | SR_MHZ(10), |
130 | SR_MHZ(20), | |
131 | SR_MHZ(50), | |
132 | SR_MHZ(100), | |
133 | SR_MHZ(200), | |
134 | }; | |
135 | ||
330853ba | 136 | static const uint64_t rates_100mhz[] = { |
ea436ba7 | 137 | SR_KHZ(10), |
8b172e78 KG |
138 | SR_KHZ(20), |
139 | SR_KHZ(50), | |
140 | SR_KHZ(100), | |
141 | SR_KHZ(200), | |
142 | SR_KHZ(500), | |
143 | SR_MHZ(1), | |
144 | SR_MHZ(2), | |
8b172e78 | 145 | SR_MHZ(5), |
8b172e78 KG |
146 | SR_MHZ(10), |
147 | SR_MHZ(20), | |
148 | SR_MHZ(50), | |
149 | SR_MHZ(100), | |
150 | }; | |
151 | ||
9270f8f4 GS |
152 | /* |
153 | * Only list a few discrete voltages, to form a useful set which covers | |
154 | * most logic families. Too many choices can make some applications use | |
155 | * a slider again. Which may lack a scale for the current value, and | |
156 | * leave users without feedback what the currently used value might be. | |
157 | */ | |
158 | static const double threshold_ranges[][2] = { | |
159 | { 0.4, 0.4, }, | |
160 | { 0.6, 0.6, }, | |
161 | { 0.9, 0.9, }, | |
162 | { 1.2, 1.2, }, | |
163 | { 1.4, 1.4, }, /* Default, 1.4V, index 4. */ | |
164 | { 2.0, 2.0, }, | |
165 | { 2.5, 2.5, }, | |
166 | { 4.0, 4.0, }, | |
167 | }; | |
168 | #define LOGIC_THRESHOLD_IDX_DFLT 4 | |
169 | ||
170 | static double threshold_voltage(const struct sr_dev_inst *sdi, double *high) | |
171 | { | |
172 | struct dev_context *devc; | |
173 | size_t idx; | |
174 | double voltage; | |
175 | ||
176 | devc = sdi->priv; | |
177 | idx = devc->threshold_voltage_idx; | |
178 | voltage = threshold_ranges[idx][0]; | |
179 | if (high) | |
180 | *high = threshold_ranges[idx][1]; | |
181 | ||
182 | return voltage; | |
183 | } | |
184 | ||
d466f61c GS |
185 | /* Convenience. Release an allocated devc from error paths. */ |
186 | static void kingst_la2016_free_devc(struct dev_context *devc) | |
187 | { | |
188 | if (!devc) | |
189 | return; | |
190 | g_free(devc->mcu_firmware); | |
191 | g_free(devc->fpga_bitstream); | |
192 | g_free(devc); | |
193 | } | |
194 | ||
195 | /* Convenience. Release an allocated sdi from error paths. */ | |
196 | static void kingst_la2016_free_sdi(struct sr_dev_inst *sdi) | |
197 | { | |
198 | if (!sdi) | |
199 | return; | |
200 | g_free(sdi->vendor); | |
201 | g_free(sdi->model); | |
202 | g_free(sdi->version); | |
203 | g_free(sdi->serial_num); | |
204 | g_free(sdi->connection_id); | |
205 | sr_usb_dev_inst_free(sdi->conn); | |
206 | kingst_la2016_free_devc(sdi->priv); | |
207 | } | |
208 | ||
209 | /* Convenience. Open a USB device (including claiming an interface). */ | |
210 | static int la2016_open_usb(struct sr_usb_dev_inst *usb, | |
211 | libusb_device *dev, gboolean show_message) | |
212 | { | |
213 | int ret; | |
214 | ||
215 | ret = libusb_open(dev, &usb->devhdl); | |
216 | if (ret != 0) { | |
217 | if (show_message) { | |
218 | sr_err("Cannot open device: %s.", | |
219 | libusb_error_name(ret)); | |
220 | } | |
221 | return SR_ERR_IO; | |
222 | } | |
223 | ||
224 | if (usb->address == 0xff) { | |
225 | /* | |
226 | * First encounter after firmware upload. | |
227 | * Grab current address after enumeration. | |
228 | */ | |
229 | usb->address = libusb_get_device_address(dev); | |
230 | } | |
231 | ||
232 | ret = libusb_claim_interface(usb->devhdl, USB_INTERFACE); | |
233 | if (ret == LIBUSB_ERROR_BUSY) { | |
234 | sr_err("Cannot claim USB interface. Another program or driver using it?"); | |
235 | return SR_ERR_IO; | |
236 | } else if (ret == LIBUSB_ERROR_NO_DEVICE) { | |
237 | sr_err("Device has been disconnected."); | |
238 | return SR_ERR_IO; | |
239 | } else if (ret != 0) { | |
240 | sr_err("Cannot claim USB interface: %s.", | |
241 | libusb_error_name(ret)); | |
242 | return SR_ERR_IO; | |
243 | } | |
244 | ||
245 | return SR_OK; | |
246 | } | |
247 | ||
248 | /* Convenience. Close an opened USB device (and release the interface). */ | |
249 | static void la2016_close_usb(struct sr_usb_dev_inst *usb) | |
250 | { | |
251 | ||
252 | if (!usb) | |
253 | return; | |
254 | ||
255 | if (usb->devhdl) { | |
256 | libusb_release_interface(usb->devhdl, USB_INTERFACE); | |
257 | libusb_close(usb->devhdl); | |
258 | usb->devhdl = NULL; | |
259 | } | |
260 | } | |
261 | ||
262 | /* Communicate to an USB device to identify the Kingst LA model. */ | |
263 | static int la2016_identify_read(struct sr_dev_inst *sdi, | |
264 | struct sr_usb_dev_inst *usb, libusb_device *dev, | |
265 | gboolean show_message) | |
266 | { | |
267 | int ret; | |
268 | ||
269 | ret = la2016_open_usb(usb, dev, show_message); | |
270 | if (ret != SR_OK) { | |
271 | if (show_message) | |
272 | sr_err("Cannot communicate to MCU firmware."); | |
273 | return ret; | |
274 | } | |
6d53e949 GS |
275 | |
276 | /* | |
277 | * Also complete the hardware configuration (FPGA bitstream) | |
278 | * when MCU firmware communication became operational. Either | |
279 | * failure is considered fatal when probing for the device. | |
280 | */ | |
d466f61c | 281 | ret = la2016_identify_device(sdi, show_message); |
6d53e949 GS |
282 | if (ret == SR_OK) { |
283 | ret = la2016_init_hardware(sdi); | |
284 | } | |
285 | ||
d466f61c GS |
286 | la2016_close_usb(usb); |
287 | ||
288 | return ret; | |
289 | } | |
290 | ||
291 | /* Find given conn_id in another USB enum. Identify Kingst LA model. */ | |
292 | static int la2016_identify_enum(struct sr_dev_inst *sdi) | |
293 | { | |
294 | struct sr_dev_driver *di; | |
295 | struct drv_context *drvc; | |
296 | struct sr_context *ctx; | |
297 | libusb_device **devlist, *dev; | |
298 | struct libusb_device_descriptor des; | |
299 | int ret, id_ret; | |
300 | size_t device_count, dev_idx; | |
301 | char conn_id[64]; | |
302 | ||
303 | di = sdi->driver; | |
304 | drvc = di->context; | |
305 | ctx = drvc->sr_ctx;; | |
306 | ||
307 | ret = libusb_get_device_list(ctx->libusb_ctx, &devlist); | |
308 | if (ret < 0) | |
309 | return SR_ERR_IO; | |
310 | device_count = ret; | |
311 | if (!device_count) | |
312 | return SR_ERR_IO; | |
313 | id_ret = SR_ERR_IO; | |
314 | for (dev_idx = 0; dev_idx < device_count; dev_idx++) { | |
315 | dev = devlist[dev_idx]; | |
316 | libusb_get_device_descriptor(dev, &des); | |
317 | if (des.idVendor != LA2016_VID || des.idProduct != LA2016_PID) | |
318 | continue; | |
319 | if (des.iProduct != LA2016_IPRODUCT_INDEX) | |
320 | continue; | |
321 | ret = usb_get_port_path(dev, conn_id, sizeof(conn_id)); | |
322 | if (ret < 0) | |
323 | continue; | |
324 | if (strcmp(sdi->connection_id, conn_id) != 0) | |
325 | continue; | |
326 | id_ret = la2016_identify_read(sdi, sdi->conn, dev, FALSE); | |
327 | break; | |
328 | } | |
329 | libusb_free_device_list(devlist, 1); | |
330 | ||
331 | return id_ret; | |
332 | } | |
333 | ||
334 | /* Wait for a device to re-appear after firmware upload. */ | |
335 | static int la2016_identify_wait(struct sr_dev_inst *sdi) | |
336 | { | |
337 | struct dev_context *devc; | |
338 | uint64_t reset_done, now, elapsed_ms; | |
339 | int ret; | |
340 | ||
341 | devc = sdi->priv; | |
342 | ||
343 | sr_info("Waiting for device to reset after firmware upload."); | |
344 | now = g_get_monotonic_time(); | |
345 | reset_done = devc->fw_uploaded + RENUM_GONE_DELAY_MS * 1000; | |
346 | if (now < reset_done) | |
347 | g_usleep(reset_done - now); | |
348 | do { | |
349 | now = g_get_monotonic_time(); | |
350 | elapsed_ms = (now - devc->fw_uploaded) / 1000; | |
351 | sr_spew("Waited %" PRIu64 "ms.", elapsed_ms); | |
352 | ret = la2016_identify_enum(sdi); | |
353 | if (ret == SR_OK) { | |
354 | devc->fw_uploaded = 0; | |
355 | break; | |
356 | } | |
357 | g_usleep(RENUM_POLL_INTERVAL_MS * 1000); | |
358 | } while (elapsed_ms < RENUM_CHECK_PERIOD_MS); | |
359 | if (ret != SR_OK) { | |
360 | sr_err("Device failed to re-enumerate."); | |
361 | return ret; | |
362 | } | |
363 | sr_info("Device came back after %" PRIi64 "ms.", elapsed_ms); | |
364 | ||
365 | return SR_OK; | |
366 | } | |
367 | ||
368 | /* | |
369 | * Open given conn_id from another USB enum. Used by dev_open(). Similar | |
370 | * to, and should be kept in sync with la2016_identify_enum(). | |
371 | */ | |
372 | static int la2016_open_enum(struct sr_dev_inst *sdi) | |
373 | { | |
374 | struct sr_dev_driver *di; | |
375 | struct drv_context *drvc; | |
376 | struct sr_context *ctx; | |
377 | libusb_device **devlist, *dev; | |
378 | struct libusb_device_descriptor des; | |
379 | int ret, open_ret; | |
380 | size_t device_count, dev_idx; | |
381 | char conn_id[64]; | |
382 | ||
383 | di = sdi->driver; | |
384 | drvc = di->context; | |
385 | ctx = drvc->sr_ctx;; | |
386 | ||
387 | ret = libusb_get_device_list(ctx->libusb_ctx, &devlist); | |
388 | if (ret < 0) | |
389 | return SR_ERR_IO; | |
390 | device_count = ret; | |
391 | if (!device_count) | |
392 | return SR_ERR_IO; | |
393 | open_ret = SR_ERR_IO; | |
394 | for (dev_idx = 0; dev_idx < device_count; dev_idx++) { | |
395 | dev = devlist[dev_idx]; | |
396 | libusb_get_device_descriptor(dev, &des); | |
397 | if (des.idVendor != LA2016_VID || des.idProduct != LA2016_PID) | |
398 | continue; | |
399 | if (des.iProduct != LA2016_IPRODUCT_INDEX) | |
400 | continue; | |
401 | ret = usb_get_port_path(dev, conn_id, sizeof(conn_id)); | |
402 | if (ret < 0) | |
403 | continue; | |
404 | if (strcmp(sdi->connection_id, conn_id) != 0) | |
405 | continue; | |
406 | open_ret = la2016_open_usb(sdi->conn, dev, TRUE); | |
407 | break; | |
408 | } | |
409 | libusb_free_device_list(devlist, 1); | |
410 | ||
411 | return open_ret; | |
412 | } | |
413 | ||
f2cd2deb FS |
414 | static GSList *scan(struct sr_dev_driver *di, GSList *options) |
415 | { | |
416 | struct drv_context *drvc; | |
520a20e9 | 417 | struct sr_context *ctx; |
f2cd2deb FS |
418 | struct dev_context *devc; |
419 | struct sr_dev_inst *sdi; | |
420 | struct sr_usb_dev_inst *usb; | |
421 | struct sr_config *src; | |
422 | GSList *l; | |
d466f61c | 423 | GSList *devices, *found_devices, *renum_devices; |
f2cd2deb FS |
424 | GSList *conn_devices; |
425 | struct libusb_device_descriptor des; | |
520a20e9 GS |
426 | libusb_device **devlist, *dev; |
427 | size_t dev_count, dev_idx, ch_idx; | |
428 | uint8_t bus, addr; | |
d466f61c | 429 | uint16_t pid; |
f2cd2deb | 430 | const char *conn; |
520a20e9 | 431 | char conn_id[64]; |
520a20e9 | 432 | int ret; |
d466f61c | 433 | size_t ch_off, ch_max; |
331277e0 GS |
434 | struct sr_channel *ch; |
435 | struct sr_channel_group *cg; | |
f2cd2deb FS |
436 | |
437 | drvc = di->context; | |
520a20e9 | 438 | ctx = drvc->sr_ctx;; |
f2cd2deb FS |
439 | |
440 | conn = NULL; | |
d466f61c | 441 | conn_devices = NULL; |
f2cd2deb FS |
442 | for (l = options; l; l = l->next) { |
443 | src = l->data; | |
444 | switch (src->key) { | |
445 | case SR_CONF_CONN: | |
446 | conn = g_variant_get_string(src->data, NULL); | |
447 | break; | |
448 | } | |
449 | } | |
450 | if (conn) | |
520a20e9 | 451 | conn_devices = sr_usb_find(ctx->libusb_ctx, conn); |
d466f61c GS |
452 | if (conn && !conn_devices) { |
453 | sr_err("Cannot find the specified connection '%s'.", conn); | |
454 | return NULL; | |
455 | } | |
f2cd2deb | 456 | |
d466f61c GS |
457 | /* |
458 | * Find all LA2016 devices, optionally upload firmware to them. | |
459 | * Defer completion of sdi/devc creation until all (selected) | |
460 | * devices were found in a usable state, and their models got | |
461 | * identified which affect their feature set. It appears that | |
462 | * we cannot communicate to the device within the same USB enum | |
463 | * cycle, needs another USB enumeration after firmware upload. | |
464 | */ | |
f2cd2deb | 465 | devices = NULL; |
d466f61c GS |
466 | found_devices = NULL; |
467 | renum_devices = NULL; | |
520a20e9 GS |
468 | ret = libusb_get_device_list(ctx->libusb_ctx, &devlist); |
469 | if (ret < 0) { | |
470 | sr_err("Cannot get device list: %s.", libusb_error_name(ret)); | |
471 | return devices; | |
472 | } | |
473 | dev_count = ret; | |
474 | for (dev_idx = 0; dev_idx < dev_count; dev_idx++) { | |
475 | dev = devlist[dev_idx]; | |
476 | bus = libusb_get_bus_number(dev); | |
477 | addr = libusb_get_device_address(dev); | |
d466f61c GS |
478 | |
479 | /* Filter by connection when externally specified. */ | |
480 | for (l = conn_devices; l; l = l->next) { | |
481 | usb = l->data; | |
482 | if (usb->bus == bus && usb->address == addr) | |
483 | break; | |
484 | } | |
485 | if (conn_devices && !l) { | |
486 | sr_spew("Bus %hhu, addr %hhu do not match specified filter.", | |
487 | bus, addr); | |
488 | continue; | |
f2cd2deb FS |
489 | } |
490 | ||
d466f61c | 491 | /* Check USB VID:PID. Get the connection string. */ |
520a20e9 | 492 | libusb_get_device_descriptor(dev, &des); |
d466f61c GS |
493 | if (des.idVendor != LA2016_VID || des.idProduct != LA2016_PID) |
494 | continue; | |
495 | pid = des.idProduct; | |
520a20e9 GS |
496 | ret = usb_get_port_path(dev, conn_id, sizeof(conn_id)); |
497 | if (ret < 0) | |
f2cd2deb | 498 | continue; |
d466f61c GS |
499 | sr_dbg("USB enum found %04x:%04x at path %s, %d.%d.", |
500 | des.idVendor, des.idProduct, conn_id, bus, addr); | |
501 | usb = sr_usb_dev_inst_new(bus, addr, NULL); | |
f2cd2deb | 502 | |
520a20e9 | 503 | sdi = g_malloc0(sizeof(*sdi)); |
d466f61c | 504 | sdi->driver = di; |
f2cd2deb | 505 | sdi->status = SR_ST_INITIALIZING; |
d466f61c | 506 | sdi->inst_type = SR_INST_USB; |
520a20e9 | 507 | sdi->connection_id = g_strdup(conn_id); |
d466f61c | 508 | sdi->conn = usb; |
f2cd2deb | 509 | |
d466f61c GS |
510 | devc = g_malloc0(sizeof(*devc)); |
511 | sdi->priv = devc; | |
f2cd2deb | 512 | |
d466f61c GS |
513 | /* |
514 | * Load MCU firmware if it is currently missing. Which | |
515 | * makes the device disappear and renumerate in USB. | |
516 | * We need to come back another time to communicate to | |
517 | * this device. | |
518 | */ | |
519 | devc->fw_uploaded = 0; | |
520 | if (des.iProduct != LA2016_IPRODUCT_INDEX) { | |
521 | sr_info("Uploading MCU firmware to '%s'.", conn_id); | |
522 | ret = la2016_upload_firmware(sdi, ctx, dev, pid); | |
520a20e9 | 523 | if (ret != SR_OK) { |
91f73872 | 524 | sr_err("MCU firmware upload failed."); |
d466f61c | 525 | kingst_la2016_free_sdi(sdi); |
f2cd2deb FS |
526 | continue; |
527 | } | |
d466f61c GS |
528 | devc->fw_uploaded = g_get_monotonic_time(); |
529 | usb->address = 0xff; | |
530 | renum_devices = g_slist_append(renum_devices, sdi); | |
531 | continue; | |
f2cd2deb FS |
532 | } |
533 | ||
d466f61c GS |
534 | /* |
535 | * Communicate to the MCU firmware to access EEPROM data | |
536 | * which lets us identify the device type. Then stop, to | |
537 | * share remaining sdi/devc creation with those devices | |
538 | * which had their MCU firmware uploaded above and which | |
539 | * get revisited later. | |
540 | */ | |
541 | ret = la2016_identify_read(sdi, usb, dev, TRUE); | |
542 | if (ret != SR_OK || !devc->model) { | |
543 | sr_err("Unknown or unsupported device type."); | |
544 | kingst_la2016_free_sdi(sdi); | |
545 | continue; | |
546 | } | |
547 | found_devices = g_slist_append(found_devices, sdi); | |
548 | } | |
549 | libusb_free_device_list(devlist, 1); | |
550 | g_slist_free_full(conn_devices, sr_usb_dev_inst_free_cb); | |
f2cd2deb | 551 | |
d466f61c GS |
552 | /* |
553 | * Wait for devices to re-appear after firmware upload. Append | |
554 | * the yet unidentified device to the list of found devices, or | |
555 | * release the previously allocated sdi/devc. | |
556 | */ | |
557 | for (l = renum_devices; l; l = l->next) { | |
558 | sdi = l->data; | |
559 | devc = sdi->priv; | |
560 | ret = la2016_identify_wait(sdi); | |
561 | if (ret != SR_OK || !devc->model) { | |
562 | sr_dbg("Skipping unusable '%s'.", sdi->connection_id); | |
563 | kingst_la2016_free_sdi(sdi); | |
564 | continue; | |
520a20e9 | 565 | } |
d466f61c GS |
566 | found_devices = g_slist_append(found_devices, sdi); |
567 | } | |
568 | g_slist_free(renum_devices); | |
f2cd2deb | 569 | |
d466f61c GS |
570 | /* |
571 | * All found devices got identified, their type is known here. | |
572 | * Complete the sdi/devc creation. Assign default settings | |
573 | * because the vendor firmware would not let us read back the | |
574 | * previously written configuration. | |
575 | */ | |
576 | for (l = found_devices; l; l = l->next) { | |
577 | sdi = l->data; | |
578 | devc = sdi->priv; | |
579 | ||
580 | sdi->vendor = g_strdup("Kingst"); | |
581 | sdi->model = g_strdup(devc->model->name); | |
582 | ch_off = 0; | |
583 | ||
331277e0 | 584 | /* Create the "Logic" channel group. */ |
d466f61c GS |
585 | ch_max = ARRAY_SIZE(channel_names_logic); |
586 | if (ch_max > devc->model->channel_count) | |
587 | ch_max = devc->model->channel_count; | |
331277e0 GS |
588 | cg = sr_channel_group_new(sdi, "Logic", NULL); |
589 | devc->cg_logic = cg; | |
d466f61c | 590 | for (ch_idx = 0; ch_idx < ch_max; ch_idx++) { |
331277e0 | 591 | ch = sr_channel_new(sdi, ch_off, |
d466f61c GS |
592 | SR_CHANNEL_LOGIC, TRUE, |
593 | channel_names_logic[ch_idx]); | |
594 | ch_off++; | |
331277e0 GS |
595 | cg->channels = g_slist_append(cg->channels, ch); |
596 | } | |
597 | ||
598 | /* Create the "PWMx" channel groups. */ | |
599 | ch_max = ARRAY_SIZE(channel_names_pwm); | |
600 | for (ch_idx = 0; ch_idx < ch_max; ch_idx++) { | |
601 | const char *name; | |
602 | name = channel_names_pwm[ch_idx]; | |
603 | cg = sr_channel_group_new(sdi, name, NULL); | |
604 | if (!devc->cg_pwm) | |
605 | devc->cg_pwm = cg; | |
606 | ch = sr_channel_new(sdi, ch_off, | |
607 | SR_CHANNEL_ANALOG, FALSE, name); | |
608 | ch_off++; | |
609 | cg->channels = g_slist_append(cg->channels, ch); | |
d466f61c | 610 | } |
f2cd2deb | 611 | |
08a49848 GS |
612 | /* |
613 | * Ideally we'd get the previous configuration from the | |
614 | * hardware, but this device is write-only. So we have | |
615 | * to assign a fixed set of initial configuration values. | |
616 | */ | |
a38f0f5e | 617 | sr_sw_limits_init(&devc->sw_limits); |
d8fbfcd9 GS |
618 | devc->sw_limits.limit_samples = 0; |
619 | devc->capture_ratio = 50; | |
edc0b015 | 620 | devc->samplerate = devc->model->samplerate; |
9270f8f4 | 621 | devc->threshold_voltage_idx = LOGIC_THRESHOLD_IDX_DFLT; |
08a49848 GS |
622 | if (ARRAY_SIZE(devc->pwm_setting) >= 1) { |
623 | devc->pwm_setting[0].enabled = FALSE; | |
624 | devc->pwm_setting[0].freq = SR_KHZ(1); | |
625 | devc->pwm_setting[0].duty = 50; | |
626 | } | |
627 | if (ARRAY_SIZE(devc->pwm_setting) >= 2) { | |
628 | devc->pwm_setting[1].enabled = FALSE; | |
629 | devc->pwm_setting[1].freq = SR_KHZ(100); | |
630 | devc->pwm_setting[1].duty = 50; | |
631 | } | |
f2cd2deb FS |
632 | |
633 | sdi->status = SR_ST_INACTIVE; | |
d466f61c | 634 | devices = g_slist_append(devices, sdi); |
f2cd2deb | 635 | } |
d466f61c | 636 | g_slist_free(found_devices); |
f2cd2deb FS |
637 | |
638 | return std_scan_complete(di, devices); | |
639 | } | |
640 | ||
f2cd2deb FS |
641 | static int dev_open(struct sr_dev_inst *sdi) |
642 | { | |
08a49848 | 643 | struct dev_context *devc; |
f2cd2deb | 644 | int ret; |
08a49848 GS |
645 | size_t ch; |
646 | ||
647 | devc = sdi->priv; | |
f2cd2deb | 648 | |
d466f61c | 649 | ret = la2016_open_enum(sdi); |
f2cd2deb | 650 | if (ret != SR_OK) { |
91f73872 | 651 | sr_err("Cannot open device."); |
520a20e9 | 652 | return ret; |
f2cd2deb FS |
653 | } |
654 | ||
08a49848 GS |
655 | /* Send most recent PWM configuration to the device. */ |
656 | for (ch = 0; ch < ARRAY_SIZE(devc->pwm_setting); ch++) { | |
657 | ret = la2016_write_pwm_config(sdi, ch); | |
658 | if (ret != SR_OK) | |
659 | return ret; | |
6d53e949 GS |
660 | } |
661 | ||
f2cd2deb FS |
662 | return SR_OK; |
663 | } | |
664 | ||
665 | static int dev_close(struct sr_dev_inst *sdi) | |
666 | { | |
667 | struct sr_usb_dev_inst *usb; | |
668 | ||
669 | usb = sdi->conn; | |
670 | ||
671 | if (!usb->devhdl) | |
672 | return SR_ERR_BUG; | |
673 | ||
66a24ab5 GS |
674 | if (WITH_DEINIT_IN_CLOSE) |
675 | la2016_deinit_hardware(sdi); | |
f2cd2deb FS |
676 | |
677 | sr_info("Closing device on %d.%d (logical) / %s (physical) interface %d.", | |
678 | usb->bus, usb->address, sdi->connection_id, USB_INTERFACE); | |
d466f61c | 679 | la2016_close_usb(sdi->conn); |
f2cd2deb FS |
680 | |
681 | return SR_OK; | |
682 | } | |
683 | ||
331277e0 GS |
684 | /* Config API helper. Get type and index of a channel group. */ |
685 | static int get_cg_index(const struct sr_dev_inst *sdi, | |
686 | const struct sr_channel_group *cg, | |
687 | int *type, size_t *logic, size_t *analog) | |
688 | { | |
689 | struct dev_context *devc; | |
690 | GSList *l; | |
691 | size_t idx; | |
692 | ||
693 | /* Preset return values. */ | |
694 | if (type) | |
695 | *type = 0; | |
696 | if (logic) | |
697 | *logic = 0; | |
698 | if (analog) | |
699 | *analog = 0; | |
700 | ||
701 | /* Start categorizing the received cg. */ | |
702 | if (!sdi) | |
703 | return SR_ERR_ARG; | |
704 | devc = sdi->priv; | |
705 | if (!cg) | |
706 | return SR_OK; | |
707 | l = sdi->channel_groups; | |
708 | ||
709 | /* First sdi->channelgroups item is "Logic". */ | |
710 | if (!l) | |
711 | return SR_ERR_BUG; | |
712 | if (cg == l->data) { | |
713 | if (type) | |
714 | *type = SR_CHANNEL_LOGIC; | |
715 | if (logic) | |
716 | *logic = 0; | |
717 | return SR_OK; | |
718 | } | |
719 | l = l->next; | |
720 | ||
721 | /* Next sdi->channelgroups items are "PWMx". */ | |
722 | idx = 0; | |
723 | while (l && l->data != cg) { | |
724 | idx++; | |
725 | l = l->next; | |
726 | } | |
727 | if (l && idx < ARRAY_SIZE(devc->pwm_setting)) { | |
728 | if (type) | |
729 | *type = SR_CHANNEL_ANALOG; | |
730 | if (analog) | |
731 | *analog = idx; | |
732 | return SR_OK; | |
733 | } | |
734 | ||
735 | return SR_ERR_ARG; | |
736 | } | |
737 | ||
955ab604 GS |
738 | static int config_get(uint32_t key, GVariant **data, |
739 | const struct sr_dev_inst *sdi, const struct sr_channel_group *cg) | |
f2cd2deb FS |
740 | { |
741 | struct dev_context *devc; | |
331277e0 GS |
742 | int ret, cg_type; |
743 | size_t logic_idx, analog_idx; | |
744 | struct pwm_setting *pwm; | |
f2cd2deb | 745 | struct sr_usb_dev_inst *usb; |
9270f8f4 | 746 | double voltage, rounded; |
f2cd2deb | 747 | |
9270f8f4 GS |
748 | (void)rounded; |
749 | (void)voltage; | |
750 | ||
f2cd2deb FS |
751 | if (!sdi) |
752 | return SR_ERR_ARG; | |
753 | devc = sdi->priv; | |
754 | ||
331277e0 GS |
755 | /* Check for types (and index) of channel groups. */ |
756 | ret = get_cg_index(sdi, cg, &cg_type, &logic_idx, &analog_idx); | |
757 | if (cg && ret != SR_OK) | |
758 | return SR_ERR_ARG; | |
759 | ||
760 | /* Handle requests for the "Logic" channel group. */ | |
761 | if (cg && cg_type == SR_CHANNEL_LOGIC) { | |
9270f8f4 GS |
762 | switch (key) { |
763 | #if !WITH_THRESHOLD_DEVCFG | |
9270f8f4 GS |
764 | case SR_CONF_VOLTAGE_THRESHOLD: |
765 | voltage = threshold_voltage(sdi, NULL); | |
766 | *data = std_gvar_tuple_double(voltage, voltage); | |
767 | break; | |
9270f8f4 GS |
768 | #endif /* WITH_THRESHOLD_DEVCFG */ |
769 | default: | |
770 | return SR_ERR_NA; | |
771 | } | |
772 | return SR_OK; | |
331277e0 GS |
773 | } |
774 | ||
775 | /* Handle requests for the "PWMx" channel groups. */ | |
776 | if (cg && cg_type == SR_CHANNEL_ANALOG) { | |
777 | pwm = &devc->pwm_setting[analog_idx]; | |
778 | switch (key) { | |
779 | case SR_CONF_ENABLED: | |
780 | *data = g_variant_new_boolean(pwm->enabled); | |
781 | break; | |
782 | case SR_CONF_OUTPUT_FREQUENCY: | |
783 | *data = g_variant_new_double(pwm->freq); | |
784 | break; | |
785 | case SR_CONF_DUTY_CYCLE: | |
786 | *data = g_variant_new_double(pwm->duty); | |
787 | break; | |
788 | default: | |
789 | return SR_ERR_NA; | |
790 | } | |
791 | return SR_OK; | |
792 | } | |
793 | ||
f2cd2deb FS |
794 | switch (key) { |
795 | case SR_CONF_CONN: | |
f2cd2deb | 796 | usb = sdi->conn; |
f2cd2deb FS |
797 | *data = g_variant_new_printf("%d.%d", usb->bus, usb->address); |
798 | break; | |
799 | case SR_CONF_SAMPLERATE: | |
edc0b015 | 800 | *data = g_variant_new_uint64(devc->samplerate); |
f2cd2deb FS |
801 | break; |
802 | case SR_CONF_LIMIT_SAMPLES: | |
a38f0f5e GS |
803 | case SR_CONF_LIMIT_MSEC: |
804 | return sr_sw_limits_config_get(&devc->sw_limits, key, data); | |
f2cd2deb FS |
805 | case SR_CONF_CAPTURE_RATIO: |
806 | *data = g_variant_new_uint64(devc->capture_ratio); | |
807 | break; | |
9270f8f4 | 808 | #if WITH_THRESHOLD_DEVCFG |
9270f8f4 GS |
809 | case SR_CONF_VOLTAGE_THRESHOLD: |
810 | voltage = threshold_voltage(sdi, NULL); | |
811 | *data = std_gvar_tuple_double(voltage, voltage); | |
812 | break; | |
9270f8f4 | 813 | #endif /* WITH_THRESHOLD_DEVCFG */ |
f2cd2deb FS |
814 | default: |
815 | return SR_ERR_NA; | |
816 | } | |
817 | ||
818 | return SR_OK; | |
819 | } | |
820 | ||
955ab604 GS |
821 | static int config_set(uint32_t key, GVariant *data, |
822 | const struct sr_dev_inst *sdi, const struct sr_channel_group *cg) | |
f2cd2deb FS |
823 | { |
824 | struct dev_context *devc; | |
331277e0 GS |
825 | int ret, cg_type; |
826 | size_t logic_idx, analog_idx; | |
827 | struct pwm_setting *pwm; | |
c35baf6e | 828 | double value_f; |
f2cd2deb FS |
829 | int idx; |
830 | ||
f2cd2deb FS |
831 | devc = sdi->priv; |
832 | ||
331277e0 GS |
833 | /* Check for types (and index) of channel groups. */ |
834 | ret = get_cg_index(sdi, cg, &cg_type, &logic_idx, &analog_idx); | |
835 | if (cg && ret != SR_OK) | |
836 | return SR_ERR_ARG; | |
837 | ||
838 | /* Handle requests for the "Logic" channel group. */ | |
839 | if (cg && cg_type == SR_CHANNEL_LOGIC) { | |
9270f8f4 GS |
840 | switch (key) { |
841 | #if !WITH_THRESHOLD_DEVCFG | |
9270f8f4 GS |
842 | case SR_CONF_LOGIC_THRESHOLD: |
843 | idx = std_double_tuple_idx(data, | |
844 | ARRAY_AND_SIZE(threshold_ranges)); | |
845 | if (idx < 0) | |
846 | return SR_ERR_ARG; | |
847 | devc->threshold_voltage_idx = idx; | |
848 | break; | |
9270f8f4 GS |
849 | #endif /* WITH_THRESHOLD_DEVCFG */ |
850 | default: | |
851 | return SR_ERR_NA; | |
852 | } | |
853 | return SR_OK; | |
331277e0 GS |
854 | } |
855 | ||
856 | /* Handle requests for the "PWMx" channel groups. */ | |
857 | if (cg && cg_type == SR_CHANNEL_ANALOG) { | |
858 | pwm = &devc->pwm_setting[analog_idx]; | |
859 | switch (key) { | |
860 | case SR_CONF_ENABLED: | |
861 | pwm->enabled = g_variant_get_boolean(data); | |
862 | ret = la2016_write_pwm_config(sdi, analog_idx); | |
863 | if (ret != SR_OK) | |
864 | return ret; | |
865 | break; | |
866 | case SR_CONF_OUTPUT_FREQUENCY: | |
c35baf6e GS |
867 | value_f = g_variant_get_double(data); |
868 | if (value_f <= 0.0 || value_f > MAX_PWM_FREQ) | |
869 | return SR_ERR_ARG; | |
870 | pwm->freq = value_f; | |
331277e0 GS |
871 | ret = la2016_write_pwm_config(sdi, analog_idx); |
872 | if (ret != SR_OK) | |
873 | return ret; | |
874 | break; | |
875 | case SR_CONF_DUTY_CYCLE: | |
c35baf6e GS |
876 | value_f = g_variant_get_double(data); |
877 | if (value_f <= 0.0 || value_f > 100.0) | |
878 | return SR_ERR_ARG; | |
879 | pwm->duty = value_f; | |
331277e0 GS |
880 | ret = la2016_write_pwm_config(sdi, analog_idx); |
881 | if (ret != SR_OK) | |
882 | return ret; | |
883 | break; | |
884 | default: | |
885 | return SR_ERR_NA; | |
886 | } | |
887 | return SR_OK; | |
888 | } | |
889 | ||
f2cd2deb FS |
890 | switch (key) { |
891 | case SR_CONF_SAMPLERATE: | |
edc0b015 | 892 | devc->samplerate = g_variant_get_uint64(data); |
f2cd2deb FS |
893 | break; |
894 | case SR_CONF_LIMIT_SAMPLES: | |
a38f0f5e GS |
895 | case SR_CONF_LIMIT_MSEC: |
896 | return sr_sw_limits_config_set(&devc->sw_limits, key, data); | |
f2cd2deb FS |
897 | case SR_CONF_CAPTURE_RATIO: |
898 | devc->capture_ratio = g_variant_get_uint64(data); | |
899 | break; | |
9270f8f4 | 900 | #if WITH_THRESHOLD_DEVCFG |
9270f8f4 GS |
901 | case SR_CONF_VOLTAGE_THRESHOLD: |
902 | idx = std_double_tuple_idx(data, | |
903 | ARRAY_AND_SIZE(threshold_ranges)); | |
904 | if (idx < 0) | |
905 | return SR_ERR_ARG; | |
906 | devc->threshold_voltage_idx = idx; | |
907 | break; | |
9270f8f4 | 908 | #endif /* WITH_THRESHOLD_DEVCFG */ |
f2cd2deb FS |
909 | default: |
910 | return SR_ERR_NA; | |
911 | } | |
912 | ||
913 | return SR_OK; | |
914 | } | |
915 | ||
955ab604 GS |
916 | static int config_list(uint32_t key, GVariant **data, |
917 | const struct sr_dev_inst *sdi, const struct sr_channel_group *cg) | |
f2cd2deb | 918 | { |
8b172e78 | 919 | struct dev_context *devc; |
331277e0 GS |
920 | int ret, cg_type; |
921 | size_t logic_idx, analog_idx; | |
8b172e78 | 922 | |
a38f0f5e GS |
923 | devc = sdi ? sdi->priv : NULL; |
924 | ||
331277e0 GS |
925 | /* Check for types (and index) of channel groups. */ |
926 | ret = get_cg_index(sdi, cg, &cg_type, &logic_idx, &analog_idx); | |
927 | if (cg && ret != SR_OK) | |
928 | return SR_ERR_ARG; | |
929 | ||
930 | /* Handle requests for the "Logic" channel group. */ | |
931 | if (cg && cg_type == SR_CHANNEL_LOGIC) { | |
9270f8f4 GS |
932 | switch (key) { |
933 | case SR_CONF_DEVICE_OPTIONS: | |
934 | if (ARRAY_SIZE(devopts_cg_logic) == 0) | |
935 | return SR_ERR_NA; | |
936 | *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32, | |
937 | devopts_cg_logic, ARRAY_SIZE(devopts_cg_logic), | |
938 | sizeof(devopts_cg_logic[0])); | |
939 | break; | |
940 | #if !WITH_THRESHOLD_DEVCFG | |
9270f8f4 GS |
941 | case SR_CONF_VOLTAGE_THRESHOLD: |
942 | *data = std_gvar_thresholds(ARRAY_AND_SIZE(threshold_ranges)); | |
943 | break; | |
9270f8f4 GS |
944 | #endif /* WITH_THRESHOLD_DEVCFG */ |
945 | default: | |
946 | return SR_ERR_NA; | |
947 | } | |
948 | return SR_OK; | |
331277e0 GS |
949 | } |
950 | ||
951 | /* Handle requests for the "PWMx" channel groups. */ | |
952 | if (cg && cg_type == SR_CHANNEL_ANALOG) { | |
953 | switch (key) { | |
954 | case SR_CONF_DEVICE_OPTIONS: | |
955 | *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32, | |
956 | devopts_cg_pwm, ARRAY_SIZE(devopts_cg_pwm), | |
957 | sizeof(devopts_cg_pwm[0])); | |
958 | break; | |
959 | default: | |
960 | return SR_ERR_NA; | |
961 | } | |
962 | return SR_OK; | |
963 | } | |
964 | ||
f2cd2deb FS |
965 | switch (key) { |
966 | case SR_CONF_SCAN_OPTIONS: | |
967 | case SR_CONF_DEVICE_OPTIONS: | |
411ad77c GS |
968 | return STD_CONFIG_LIST(key, data, sdi, cg, |
969 | scanopts, drvopts, devopts); | |
f2cd2deb | 970 | case SR_CONF_SAMPLERATE: |
fb28e72d MW |
971 | if (!sdi) |
972 | return SR_ERR_ARG; | |
d466f61c | 973 | if (devc->model->samplerate == SR_MHZ(500)) |
330853ba | 974 | *data = std_gvar_samplerates(ARRAY_AND_SIZE(rates_500mhz)); |
d466f61c | 975 | else if (devc->model->samplerate == SR_MHZ(200)) |
330853ba GS |
976 | *data = std_gvar_samplerates(ARRAY_AND_SIZE(rates_200mhz)); |
977 | else | |
978 | *data = std_gvar_samplerates(ARRAY_AND_SIZE(rates_100mhz)); | |
f2cd2deb FS |
979 | break; |
980 | case SR_CONF_LIMIT_SAMPLES: | |
d8fbfcd9 | 981 | *data = std_gvar_tuple_u64(0, LA2016_NUM_SAMPLES_MAX); |
f2cd2deb | 982 | break; |
9270f8f4 | 983 | #if WITH_THRESHOLD_DEVCFG |
9270f8f4 GS |
984 | case SR_CONF_VOLTAGE_THRESHOLD: |
985 | *data = std_gvar_thresholds(ARRAY_AND_SIZE(threshold_ranges)); | |
986 | break; | |
9270f8f4 | 987 | #endif /* WITH_THRESHOLD_DEVCFG */ |
f2cd2deb FS |
988 | case SR_CONF_TRIGGER_MATCH: |
989 | *data = std_gvar_array_i32(ARRAY_AND_SIZE(trigger_matches)); | |
990 | break; | |
f2cd2deb FS |
991 | default: |
992 | return SR_ERR_NA; | |
993 | } | |
994 | ||
995 | return SR_OK; | |
996 | } | |
997 | ||
f2cd2deb FS |
998 | static int dev_acquisition_start(const struct sr_dev_inst *sdi) |
999 | { | |
1000 | struct sr_dev_driver *di; | |
1001 | struct drv_context *drvc; | |
520a20e9 | 1002 | struct sr_context *ctx; |
f2cd2deb | 1003 | struct dev_context *devc; |
9270f8f4 | 1004 | double voltage; |
f2cd2deb FS |
1005 | int ret; |
1006 | ||
1007 | di = sdi->driver; | |
1008 | drvc = di->context; | |
520a20e9 | 1009 | ctx = drvc->sr_ctx;; |
f2cd2deb FS |
1010 | devc = sdi->priv; |
1011 | ||
a38f0f5e GS |
1012 | if (!devc->feed_queue) { |
1013 | devc->feed_queue = feed_queue_logic_alloc(sdi, | |
1014 | LA2016_CONVBUFFER_SIZE, sizeof(uint16_t)); | |
1015 | if (!devc->feed_queue) { | |
1016 | sr_err("Cannot allocate buffer for session feed."); | |
1017 | return SR_ERR_MALLOC; | |
1018 | } | |
f2cd2deb FS |
1019 | } |
1020 | ||
a38f0f5e GS |
1021 | sr_sw_limits_acquisition_start(&devc->sw_limits); |
1022 | ||
9270f8f4 GS |
1023 | voltage = threshold_voltage(sdi, NULL); |
1024 | ret = la2016_setup_acquisition(sdi, voltage); | |
411ad77c | 1025 | if (ret != SR_OK) { |
a38f0f5e GS |
1026 | feed_queue_logic_free(devc->feed_queue); |
1027 | devc->feed_queue = NULL; | |
f2cd2deb FS |
1028 | return ret; |
1029 | } | |
1030 | ||
411ad77c GS |
1031 | ret = la2016_start_acquisition(sdi); |
1032 | if (ret != SR_OK) { | |
3ebc1cb2 | 1033 | la2016_abort_acquisition(sdi); |
a38f0f5e GS |
1034 | feed_queue_logic_free(devc->feed_queue); |
1035 | devc->feed_queue = NULL; | |
f2cd2deb FS |
1036 | return ret; |
1037 | } | |
1038 | ||
cf057ac4 | 1039 | devc->completion_seen = FALSE; |
520a20e9 | 1040 | usb_source_add(sdi->session, ctx, 50, |
388438e4 | 1041 | la2016_receive_data, (void *)sdi); |
f2cd2deb FS |
1042 | |
1043 | std_session_send_df_header(sdi); | |
1044 | ||
1045 | return SR_OK; | |
1046 | } | |
1047 | ||
1048 | static int dev_acquisition_stop(struct sr_dev_inst *sdi) | |
1049 | { | |
1050 | int ret; | |
1051 | ||
1052 | ret = la2016_abort_acquisition(sdi); | |
f2cd2deb FS |
1053 | |
1054 | return ret; | |
1055 | } | |
1056 | ||
1057 | static struct sr_dev_driver kingst_la2016_driver_info = { | |
1058 | .name = "kingst-la2016", | |
1059 | .longname = "Kingst LA2016", | |
1060 | .api_version = 1, | |
1061 | .init = std_init, | |
1062 | .cleanup = std_cleanup, | |
1063 | .scan = scan, | |
1064 | .dev_list = std_dev_list, | |
1065 | .dev_clear = std_dev_clear, | |
1066 | .config_get = config_get, | |
1067 | .config_set = config_set, | |
1068 | .config_list = config_list, | |
1069 | .dev_open = dev_open, | |
1070 | .dev_close = dev_close, | |
1071 | .dev_acquisition_start = dev_acquisition_start, | |
1072 | .dev_acquisition_stop = dev_acquisition_stop, | |
1073 | .context = NULL, | |
1074 | }; | |
1075 | SR_REGISTER_DEV_DRIVER(kingst_la2016_driver_info); |