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f2cd2deb FS |
1 | /* |
2 | * This file is part of the libsigrok project. | |
3 | * | |
7047acc8 | 4 | * Copyright (C) 2022 Gerhard Sittig <gerhard.sittig@gmx.net> |
f2cd2deb FS |
5 | * Copyright (C) 2020 Florian Schmidt <schmidt_florian@gmx.de> |
6 | * Copyright (C) 2013 Marcus Comstedt <marcus@mc.pp.se> | |
7 | * Copyright (C) 2013 Bert Vermeulen <bert@biot.com> | |
8 | * Copyright (C) 2012 Joel Holdsworth <joel@airwebreathe.org.uk> | |
9 | * | |
10 | * This program is free software: you can redistribute it and/or modify | |
11 | * it under the terms of the GNU General Public License as published by | |
12 | * the Free Software Foundation, either version 3 of the License, or | |
13 | * (at your option) any later version. | |
14 | * | |
15 | * This program is distributed in the hope that it will be useful, | |
16 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
17 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
18 | * GNU General Public License for more details. | |
19 | * | |
20 | * You should have received a copy of the GNU General Public License | |
21 | * along with this program. If not, see <http://www.gnu.org/licenses/>. | |
22 | */ | |
23 | ||
96dc954e GS |
24 | /* |
25 | * This driver implementation initially was derived from the | |
26 | * src/hardware/saleae-logic16/ source code. | |
27 | */ | |
f2cd2deb FS |
28 | |
29 | #include <config.h> | |
a7740b06 | 30 | |
a7740b06 | 31 | #include <libsigrok/libsigrok.h> |
f2cd2deb | 32 | #include <string.h> |
a7740b06 | 33 | |
f2cd2deb FS |
34 | #include "libsigrok-internal.h" |
35 | #include "protocol.h" | |
36 | ||
37 | static const uint32_t scanopts[] = { | |
38 | SR_CONF_CONN, | |
39 | }; | |
40 | ||
41 | static const uint32_t drvopts[] = { | |
42 | SR_CONF_LOGIC_ANALYZER, | |
331277e0 | 43 | SR_CONF_SIGNAL_GENERATOR, |
f2cd2deb FS |
44 | }; |
45 | ||
46 | static const uint32_t devopts[] = { | |
47 | /* TODO: SR_CONF_CONTINUOUS, */ | |
48 | SR_CONF_CONN | SR_CONF_GET, | |
49 | SR_CONF_SAMPLERATE | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST, | |
a38f0f5e GS |
50 | SR_CONF_LIMIT_SAMPLES | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST, |
51 | SR_CONF_LIMIT_MSEC | SR_CONF_GET | SR_CONF_SET, | |
9270f8f4 | 52 | #if WITH_THRESHOLD_DEVCFG |
f2cd2deb | 53 | SR_CONF_VOLTAGE_THRESHOLD | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST, |
9270f8f4 | 54 | #endif |
f2cd2deb FS |
55 | SR_CONF_TRIGGER_MATCH | SR_CONF_LIST, |
56 | SR_CONF_CAPTURE_RATIO | SR_CONF_GET | SR_CONF_SET, | |
57 | }; | |
58 | ||
9270f8f4 GS |
59 | static const uint32_t devopts_cg_logic[] = { |
60 | #if !WITH_THRESHOLD_DEVCFG | |
61 | SR_CONF_VOLTAGE_THRESHOLD | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST, | |
62 | #endif | |
63 | }; | |
64 | ||
331277e0 GS |
65 | static const uint32_t devopts_cg_pwm[] = { |
66 | SR_CONF_ENABLED | SR_CONF_GET | SR_CONF_SET, | |
67 | SR_CONF_OUTPUT_FREQUENCY | SR_CONF_GET | SR_CONF_SET, | |
68 | SR_CONF_DUTY_CYCLE | SR_CONF_GET | SR_CONF_SET, | |
69 | }; | |
70 | ||
f2cd2deb FS |
71 | static const int32_t trigger_matches[] = { |
72 | SR_TRIGGER_ZERO, | |
73 | SR_TRIGGER_ONE, | |
74 | SR_TRIGGER_RISING, | |
75 | SR_TRIGGER_FALLING, | |
76 | }; | |
77 | ||
d466f61c | 78 | static const char *channel_names_logic[] = { |
da25c287 GS |
79 | "CH0", "CH1", "CH2", "CH3", "CH4", "CH5", "CH6", "CH7", |
80 | "CH8", "CH9", "CH10", "CH11", "CH12", "CH13", "CH14", "CH15", | |
d466f61c GS |
81 | "CH16", "CH17", "CH18", "CH19", "CH20", "CH21", "CH22", "CH23", |
82 | "CH24", "CH25", "CH26", "CH27", "CH28", "CH29", "CH30", "CH31", | |
f2cd2deb FS |
83 | }; |
84 | ||
331277e0 GS |
85 | static const char *channel_names_pwm[] = { |
86 | "PWM1", "PWM2", | |
87 | }; | |
88 | ||
ea436ba7 | 89 | /* |
330853ba | 90 | * The hardware uses a 100/200/500MHz base clock (model dependent) and |
ea436ba7 GS |
91 | * a 16bit divider (common across all models). The range from 10kHz to |
92 | * 100/200/500MHz should be applicable to all devices. High rates may | |
93 | * suffer from coarse resolution (e.g. in the "500MHz div 2" case) and | |
330853ba GS |
94 | * may not provide the desired 1/2/5 steps. Fortunately this exclusively |
95 | * affects the 500MHz model where 250MHz is used instead of 200MHz and | |
96 | * the 166MHz and 125MHz rates are not presented to users. Deep memory | |
97 | * of these models and hardware compression reduce the necessity to let | |
98 | * users pick from a huge list of possible rates. | |
99 | * | |
ea436ba7 GS |
100 | */ |
101 | ||
330853ba GS |
102 | static const uint64_t rates_500mhz[] = { |
103 | SR_KHZ(10), | |
104 | SR_KHZ(20), | |
105 | SR_KHZ(50), | |
106 | SR_KHZ(100), | |
107 | SR_KHZ(200), | |
108 | SR_KHZ(500), | |
109 | SR_MHZ(1), | |
110 | SR_MHZ(2), | |
111 | SR_MHZ(5), | |
112 | SR_MHZ(10), | |
113 | SR_MHZ(20), | |
114 | SR_MHZ(50), | |
115 | SR_MHZ(100), | |
116 | SR_MHZ(250), | |
117 | SR_MHZ(500), | |
118 | }; | |
119 | ||
120 | static const uint64_t rates_200mhz[] = { | |
ea436ba7 | 121 | SR_KHZ(10), |
f2cd2deb FS |
122 | SR_KHZ(20), |
123 | SR_KHZ(50), | |
124 | SR_KHZ(100), | |
125 | SR_KHZ(200), | |
126 | SR_KHZ(500), | |
127 | SR_MHZ(1), | |
128 | SR_MHZ(2), | |
f2cd2deb | 129 | SR_MHZ(5), |
f2cd2deb FS |
130 | SR_MHZ(10), |
131 | SR_MHZ(20), | |
132 | SR_MHZ(50), | |
133 | SR_MHZ(100), | |
134 | SR_MHZ(200), | |
135 | }; | |
136 | ||
330853ba | 137 | static const uint64_t rates_100mhz[] = { |
ea436ba7 | 138 | SR_KHZ(10), |
8b172e78 KG |
139 | SR_KHZ(20), |
140 | SR_KHZ(50), | |
141 | SR_KHZ(100), | |
142 | SR_KHZ(200), | |
143 | SR_KHZ(500), | |
144 | SR_MHZ(1), | |
145 | SR_MHZ(2), | |
8b172e78 | 146 | SR_MHZ(5), |
8b172e78 KG |
147 | SR_MHZ(10), |
148 | SR_MHZ(20), | |
149 | SR_MHZ(50), | |
150 | SR_MHZ(100), | |
151 | }; | |
152 | ||
9270f8f4 GS |
153 | /* |
154 | * Only list a few discrete voltages, to form a useful set which covers | |
155 | * most logic families. Too many choices can make some applications use | |
156 | * a slider again. Which may lack a scale for the current value, and | |
157 | * leave users without feedback what the currently used value might be. | |
158 | */ | |
159 | static const double threshold_ranges[][2] = { | |
160 | { 0.4, 0.4, }, | |
161 | { 0.6, 0.6, }, | |
162 | { 0.9, 0.9, }, | |
163 | { 1.2, 1.2, }, | |
164 | { 1.4, 1.4, }, /* Default, 1.4V, index 4. */ | |
165 | { 2.0, 2.0, }, | |
166 | { 2.5, 2.5, }, | |
167 | { 4.0, 4.0, }, | |
168 | }; | |
169 | #define LOGIC_THRESHOLD_IDX_DFLT 4 | |
170 | ||
171 | static double threshold_voltage(const struct sr_dev_inst *sdi, double *high) | |
172 | { | |
173 | struct dev_context *devc; | |
174 | size_t idx; | |
175 | double voltage; | |
176 | ||
177 | devc = sdi->priv; | |
178 | idx = devc->threshold_voltage_idx; | |
179 | voltage = threshold_ranges[idx][0]; | |
180 | if (high) | |
181 | *high = threshold_ranges[idx][1]; | |
182 | ||
183 | return voltage; | |
184 | } | |
185 | ||
d466f61c GS |
186 | /* Convenience. Release an allocated devc from error paths. */ |
187 | static void kingst_la2016_free_devc(struct dev_context *devc) | |
188 | { | |
189 | if (!devc) | |
190 | return; | |
191 | g_free(devc->mcu_firmware); | |
192 | g_free(devc->fpga_bitstream); | |
193 | g_free(devc); | |
194 | } | |
195 | ||
196 | /* Convenience. Release an allocated sdi from error paths. */ | |
197 | static void kingst_la2016_free_sdi(struct sr_dev_inst *sdi) | |
198 | { | |
199 | if (!sdi) | |
200 | return; | |
201 | g_free(sdi->vendor); | |
202 | g_free(sdi->model); | |
203 | g_free(sdi->version); | |
204 | g_free(sdi->serial_num); | |
205 | g_free(sdi->connection_id); | |
206 | sr_usb_dev_inst_free(sdi->conn); | |
207 | kingst_la2016_free_devc(sdi->priv); | |
208 | } | |
209 | ||
210 | /* Convenience. Open a USB device (including claiming an interface). */ | |
211 | static int la2016_open_usb(struct sr_usb_dev_inst *usb, | |
212 | libusb_device *dev, gboolean show_message) | |
213 | { | |
214 | int ret; | |
215 | ||
216 | ret = libusb_open(dev, &usb->devhdl); | |
217 | if (ret != 0) { | |
218 | if (show_message) { | |
219 | sr_err("Cannot open device: %s.", | |
220 | libusb_error_name(ret)); | |
221 | } | |
222 | return SR_ERR_IO; | |
223 | } | |
224 | ||
225 | if (usb->address == 0xff) { | |
226 | /* | |
227 | * First encounter after firmware upload. | |
228 | * Grab current address after enumeration. | |
229 | */ | |
230 | usb->address = libusb_get_device_address(dev); | |
231 | } | |
232 | ||
233 | ret = libusb_claim_interface(usb->devhdl, USB_INTERFACE); | |
234 | if (ret == LIBUSB_ERROR_BUSY) { | |
235 | sr_err("Cannot claim USB interface. Another program or driver using it?"); | |
236 | return SR_ERR_IO; | |
237 | } else if (ret == LIBUSB_ERROR_NO_DEVICE) { | |
238 | sr_err("Device has been disconnected."); | |
239 | return SR_ERR_IO; | |
240 | } else if (ret != 0) { | |
241 | sr_err("Cannot claim USB interface: %s.", | |
242 | libusb_error_name(ret)); | |
243 | return SR_ERR_IO; | |
244 | } | |
245 | ||
246 | return SR_OK; | |
247 | } | |
248 | ||
249 | /* Convenience. Close an opened USB device (and release the interface). */ | |
250 | static void la2016_close_usb(struct sr_usb_dev_inst *usb) | |
251 | { | |
252 | ||
253 | if (!usb) | |
254 | return; | |
255 | ||
256 | if (usb->devhdl) { | |
257 | libusb_release_interface(usb->devhdl, USB_INTERFACE); | |
258 | libusb_close(usb->devhdl); | |
259 | usb->devhdl = NULL; | |
260 | } | |
261 | } | |
262 | ||
263 | /* Communicate to an USB device to identify the Kingst LA model. */ | |
264 | static int la2016_identify_read(struct sr_dev_inst *sdi, | |
265 | struct sr_usb_dev_inst *usb, libusb_device *dev, | |
266 | gboolean show_message) | |
267 | { | |
268 | int ret; | |
269 | ||
270 | ret = la2016_open_usb(usb, dev, show_message); | |
271 | if (ret != SR_OK) { | |
272 | if (show_message) | |
273 | sr_err("Cannot communicate to MCU firmware."); | |
274 | return ret; | |
275 | } | |
6d53e949 GS |
276 | |
277 | /* | |
278 | * Also complete the hardware configuration (FPGA bitstream) | |
279 | * when MCU firmware communication became operational. Either | |
280 | * failure is considered fatal when probing for the device. | |
281 | */ | |
d466f61c | 282 | ret = la2016_identify_device(sdi, show_message); |
6d53e949 GS |
283 | if (ret == SR_OK) { |
284 | ret = la2016_init_hardware(sdi); | |
285 | } | |
286 | ||
d466f61c GS |
287 | la2016_close_usb(usb); |
288 | ||
289 | return ret; | |
290 | } | |
291 | ||
292 | /* Find given conn_id in another USB enum. Identify Kingst LA model. */ | |
293 | static int la2016_identify_enum(struct sr_dev_inst *sdi) | |
294 | { | |
295 | struct sr_dev_driver *di; | |
296 | struct drv_context *drvc; | |
297 | struct sr_context *ctx; | |
298 | libusb_device **devlist, *dev; | |
299 | struct libusb_device_descriptor des; | |
300 | int ret, id_ret; | |
301 | size_t device_count, dev_idx; | |
302 | char conn_id[64]; | |
303 | ||
304 | di = sdi->driver; | |
305 | drvc = di->context; | |
306 | ctx = drvc->sr_ctx;; | |
307 | ||
308 | ret = libusb_get_device_list(ctx->libusb_ctx, &devlist); | |
309 | if (ret < 0) | |
310 | return SR_ERR_IO; | |
311 | device_count = ret; | |
312 | if (!device_count) | |
313 | return SR_ERR_IO; | |
314 | id_ret = SR_ERR_IO; | |
315 | for (dev_idx = 0; dev_idx < device_count; dev_idx++) { | |
316 | dev = devlist[dev_idx]; | |
317 | libusb_get_device_descriptor(dev, &des); | |
318 | if (des.idVendor != LA2016_VID || des.idProduct != LA2016_PID) | |
319 | continue; | |
320 | if (des.iProduct != LA2016_IPRODUCT_INDEX) | |
321 | continue; | |
322 | ret = usb_get_port_path(dev, conn_id, sizeof(conn_id)); | |
323 | if (ret < 0) | |
324 | continue; | |
325 | if (strcmp(sdi->connection_id, conn_id) != 0) | |
326 | continue; | |
327 | id_ret = la2016_identify_read(sdi, sdi->conn, dev, FALSE); | |
328 | break; | |
329 | } | |
330 | libusb_free_device_list(devlist, 1); | |
331 | ||
332 | return id_ret; | |
333 | } | |
334 | ||
335 | /* Wait for a device to re-appear after firmware upload. */ | |
336 | static int la2016_identify_wait(struct sr_dev_inst *sdi) | |
337 | { | |
338 | struct dev_context *devc; | |
339 | uint64_t reset_done, now, elapsed_ms; | |
340 | int ret; | |
341 | ||
342 | devc = sdi->priv; | |
343 | ||
344 | sr_info("Waiting for device to reset after firmware upload."); | |
345 | now = g_get_monotonic_time(); | |
346 | reset_done = devc->fw_uploaded + RENUM_GONE_DELAY_MS * 1000; | |
347 | if (now < reset_done) | |
348 | g_usleep(reset_done - now); | |
349 | do { | |
350 | now = g_get_monotonic_time(); | |
351 | elapsed_ms = (now - devc->fw_uploaded) / 1000; | |
352 | sr_spew("Waited %" PRIu64 "ms.", elapsed_ms); | |
353 | ret = la2016_identify_enum(sdi); | |
354 | if (ret == SR_OK) { | |
355 | devc->fw_uploaded = 0; | |
356 | break; | |
357 | } | |
358 | g_usleep(RENUM_POLL_INTERVAL_MS * 1000); | |
359 | } while (elapsed_ms < RENUM_CHECK_PERIOD_MS); | |
360 | if (ret != SR_OK) { | |
361 | sr_err("Device failed to re-enumerate."); | |
362 | return ret; | |
363 | } | |
364 | sr_info("Device came back after %" PRIi64 "ms.", elapsed_ms); | |
365 | ||
366 | return SR_OK; | |
367 | } | |
368 | ||
369 | /* | |
370 | * Open given conn_id from another USB enum. Used by dev_open(). Similar | |
371 | * to, and should be kept in sync with la2016_identify_enum(). | |
372 | */ | |
373 | static int la2016_open_enum(struct sr_dev_inst *sdi) | |
374 | { | |
375 | struct sr_dev_driver *di; | |
376 | struct drv_context *drvc; | |
377 | struct sr_context *ctx; | |
378 | libusb_device **devlist, *dev; | |
379 | struct libusb_device_descriptor des; | |
380 | int ret, open_ret; | |
381 | size_t device_count, dev_idx; | |
382 | char conn_id[64]; | |
383 | ||
384 | di = sdi->driver; | |
385 | drvc = di->context; | |
386 | ctx = drvc->sr_ctx;; | |
387 | ||
388 | ret = libusb_get_device_list(ctx->libusb_ctx, &devlist); | |
389 | if (ret < 0) | |
390 | return SR_ERR_IO; | |
391 | device_count = ret; | |
392 | if (!device_count) | |
393 | return SR_ERR_IO; | |
394 | open_ret = SR_ERR_IO; | |
395 | for (dev_idx = 0; dev_idx < device_count; dev_idx++) { | |
396 | dev = devlist[dev_idx]; | |
397 | libusb_get_device_descriptor(dev, &des); | |
398 | if (des.idVendor != LA2016_VID || des.idProduct != LA2016_PID) | |
399 | continue; | |
400 | if (des.iProduct != LA2016_IPRODUCT_INDEX) | |
401 | continue; | |
402 | ret = usb_get_port_path(dev, conn_id, sizeof(conn_id)); | |
403 | if (ret < 0) | |
404 | continue; | |
405 | if (strcmp(sdi->connection_id, conn_id) != 0) | |
406 | continue; | |
407 | open_ret = la2016_open_usb(sdi->conn, dev, TRUE); | |
408 | break; | |
409 | } | |
410 | libusb_free_device_list(devlist, 1); | |
411 | ||
412 | return open_ret; | |
413 | } | |
414 | ||
f2cd2deb FS |
415 | static GSList *scan(struct sr_dev_driver *di, GSList *options) |
416 | { | |
417 | struct drv_context *drvc; | |
520a20e9 | 418 | struct sr_context *ctx; |
f2cd2deb FS |
419 | struct dev_context *devc; |
420 | struct sr_dev_inst *sdi; | |
421 | struct sr_usb_dev_inst *usb; | |
422 | struct sr_config *src; | |
423 | GSList *l; | |
d466f61c | 424 | GSList *devices, *found_devices, *renum_devices; |
f2cd2deb FS |
425 | GSList *conn_devices; |
426 | struct libusb_device_descriptor des; | |
520a20e9 GS |
427 | libusb_device **devlist, *dev; |
428 | size_t dev_count, dev_idx, ch_idx; | |
429 | uint8_t bus, addr; | |
d466f61c | 430 | uint16_t pid; |
f2cd2deb | 431 | const char *conn; |
520a20e9 | 432 | char conn_id[64]; |
520a20e9 | 433 | int ret; |
d466f61c | 434 | size_t ch_off, ch_max; |
331277e0 GS |
435 | struct sr_channel *ch; |
436 | struct sr_channel_group *cg; | |
f2cd2deb FS |
437 | |
438 | drvc = di->context; | |
520a20e9 | 439 | ctx = drvc->sr_ctx;; |
f2cd2deb FS |
440 | |
441 | conn = NULL; | |
d466f61c | 442 | conn_devices = NULL; |
f2cd2deb FS |
443 | for (l = options; l; l = l->next) { |
444 | src = l->data; | |
445 | switch (src->key) { | |
446 | case SR_CONF_CONN: | |
447 | conn = g_variant_get_string(src->data, NULL); | |
448 | break; | |
449 | } | |
450 | } | |
451 | if (conn) | |
520a20e9 | 452 | conn_devices = sr_usb_find(ctx->libusb_ctx, conn); |
d466f61c GS |
453 | if (conn && !conn_devices) { |
454 | sr_err("Cannot find the specified connection '%s'.", conn); | |
455 | return NULL; | |
456 | } | |
f2cd2deb | 457 | |
d466f61c GS |
458 | /* |
459 | * Find all LA2016 devices, optionally upload firmware to them. | |
460 | * Defer completion of sdi/devc creation until all (selected) | |
461 | * devices were found in a usable state, and their models got | |
462 | * identified which affect their feature set. It appears that | |
463 | * we cannot communicate to the device within the same USB enum | |
464 | * cycle, needs another USB enumeration after firmware upload. | |
465 | */ | |
f2cd2deb | 466 | devices = NULL; |
d466f61c GS |
467 | found_devices = NULL; |
468 | renum_devices = NULL; | |
520a20e9 GS |
469 | ret = libusb_get_device_list(ctx->libusb_ctx, &devlist); |
470 | if (ret < 0) { | |
471 | sr_err("Cannot get device list: %s.", libusb_error_name(ret)); | |
472 | return devices; | |
473 | } | |
474 | dev_count = ret; | |
475 | for (dev_idx = 0; dev_idx < dev_count; dev_idx++) { | |
476 | dev = devlist[dev_idx]; | |
477 | bus = libusb_get_bus_number(dev); | |
478 | addr = libusb_get_device_address(dev); | |
d466f61c GS |
479 | |
480 | /* Filter by connection when externally specified. */ | |
481 | for (l = conn_devices; l; l = l->next) { | |
482 | usb = l->data; | |
483 | if (usb->bus == bus && usb->address == addr) | |
484 | break; | |
485 | } | |
486 | if (conn_devices && !l) { | |
487 | sr_spew("Bus %hhu, addr %hhu do not match specified filter.", | |
488 | bus, addr); | |
489 | continue; | |
f2cd2deb FS |
490 | } |
491 | ||
d466f61c | 492 | /* Check USB VID:PID. Get the connection string. */ |
520a20e9 | 493 | libusb_get_device_descriptor(dev, &des); |
d466f61c GS |
494 | if (des.idVendor != LA2016_VID || des.idProduct != LA2016_PID) |
495 | continue; | |
496 | pid = des.idProduct; | |
520a20e9 GS |
497 | ret = usb_get_port_path(dev, conn_id, sizeof(conn_id)); |
498 | if (ret < 0) | |
f2cd2deb | 499 | continue; |
d466f61c GS |
500 | sr_dbg("USB enum found %04x:%04x at path %s, %d.%d.", |
501 | des.idVendor, des.idProduct, conn_id, bus, addr); | |
502 | usb = sr_usb_dev_inst_new(bus, addr, NULL); | |
f2cd2deb | 503 | |
520a20e9 | 504 | sdi = g_malloc0(sizeof(*sdi)); |
d466f61c | 505 | sdi->driver = di; |
f2cd2deb | 506 | sdi->status = SR_ST_INITIALIZING; |
d466f61c | 507 | sdi->inst_type = SR_INST_USB; |
520a20e9 | 508 | sdi->connection_id = g_strdup(conn_id); |
d466f61c | 509 | sdi->conn = usb; |
f2cd2deb | 510 | |
d466f61c GS |
511 | devc = g_malloc0(sizeof(*devc)); |
512 | sdi->priv = devc; | |
f2cd2deb | 513 | |
d466f61c GS |
514 | /* |
515 | * Load MCU firmware if it is currently missing. Which | |
516 | * makes the device disappear and renumerate in USB. | |
517 | * We need to come back another time to communicate to | |
518 | * this device. | |
519 | */ | |
520 | devc->fw_uploaded = 0; | |
91aa0f04 | 521 | devc->usb_pid = pid; |
d466f61c GS |
522 | if (des.iProduct != LA2016_IPRODUCT_INDEX) { |
523 | sr_info("Uploading MCU firmware to '%s'.", conn_id); | |
91aa0f04 | 524 | ret = la2016_upload_firmware(sdi, ctx, dev, FALSE); |
520a20e9 | 525 | if (ret != SR_OK) { |
91f73872 | 526 | sr_err("MCU firmware upload failed."); |
d466f61c | 527 | kingst_la2016_free_sdi(sdi); |
f2cd2deb FS |
528 | continue; |
529 | } | |
d466f61c GS |
530 | devc->fw_uploaded = g_get_monotonic_time(); |
531 | usb->address = 0xff; | |
532 | renum_devices = g_slist_append(renum_devices, sdi); | |
533 | continue; | |
91aa0f04 GS |
534 | } else { |
535 | ret = la2016_upload_firmware(sdi, NULL, NULL, TRUE); | |
536 | if (ret != SR_OK) { | |
537 | sr_err("MCU firmware filename check failed."); | |
538 | kingst_la2016_free_sdi(sdi); | |
539 | continue; | |
540 | } | |
f2cd2deb FS |
541 | } |
542 | ||
d466f61c GS |
543 | /* |
544 | * Communicate to the MCU firmware to access EEPROM data | |
545 | * which lets us identify the device type. Then stop, to | |
546 | * share remaining sdi/devc creation with those devices | |
547 | * which had their MCU firmware uploaded above and which | |
548 | * get revisited later. | |
549 | */ | |
550 | ret = la2016_identify_read(sdi, usb, dev, TRUE); | |
551 | if (ret != SR_OK || !devc->model) { | |
552 | sr_err("Unknown or unsupported device type."); | |
553 | kingst_la2016_free_sdi(sdi); | |
554 | continue; | |
555 | } | |
556 | found_devices = g_slist_append(found_devices, sdi); | |
557 | } | |
558 | libusb_free_device_list(devlist, 1); | |
559 | g_slist_free_full(conn_devices, sr_usb_dev_inst_free_cb); | |
f2cd2deb | 560 | |
d466f61c GS |
561 | /* |
562 | * Wait for devices to re-appear after firmware upload. Append | |
563 | * the yet unidentified device to the list of found devices, or | |
564 | * release the previously allocated sdi/devc. | |
565 | */ | |
566 | for (l = renum_devices; l; l = l->next) { | |
567 | sdi = l->data; | |
568 | devc = sdi->priv; | |
569 | ret = la2016_identify_wait(sdi); | |
570 | if (ret != SR_OK || !devc->model) { | |
571 | sr_dbg("Skipping unusable '%s'.", sdi->connection_id); | |
572 | kingst_la2016_free_sdi(sdi); | |
573 | continue; | |
520a20e9 | 574 | } |
d466f61c GS |
575 | found_devices = g_slist_append(found_devices, sdi); |
576 | } | |
577 | g_slist_free(renum_devices); | |
f2cd2deb | 578 | |
d466f61c GS |
579 | /* |
580 | * All found devices got identified, their type is known here. | |
581 | * Complete the sdi/devc creation. Assign default settings | |
582 | * because the vendor firmware would not let us read back the | |
583 | * previously written configuration. | |
584 | */ | |
585 | for (l = found_devices; l; l = l->next) { | |
586 | sdi = l->data; | |
587 | devc = sdi->priv; | |
588 | ||
589 | sdi->vendor = g_strdup("Kingst"); | |
590 | sdi->model = g_strdup(devc->model->name); | |
591 | ch_off = 0; | |
592 | ||
331277e0 | 593 | /* Create the "Logic" channel group. */ |
d466f61c GS |
594 | ch_max = ARRAY_SIZE(channel_names_logic); |
595 | if (ch_max > devc->model->channel_count) | |
596 | ch_max = devc->model->channel_count; | |
331277e0 GS |
597 | cg = sr_channel_group_new(sdi, "Logic", NULL); |
598 | devc->cg_logic = cg; | |
d466f61c | 599 | for (ch_idx = 0; ch_idx < ch_max; ch_idx++) { |
331277e0 | 600 | ch = sr_channel_new(sdi, ch_off, |
d466f61c GS |
601 | SR_CHANNEL_LOGIC, TRUE, |
602 | channel_names_logic[ch_idx]); | |
603 | ch_off++; | |
331277e0 GS |
604 | cg->channels = g_slist_append(cg->channels, ch); |
605 | } | |
606 | ||
607 | /* Create the "PWMx" channel groups. */ | |
608 | ch_max = ARRAY_SIZE(channel_names_pwm); | |
609 | for (ch_idx = 0; ch_idx < ch_max; ch_idx++) { | |
610 | const char *name; | |
611 | name = channel_names_pwm[ch_idx]; | |
612 | cg = sr_channel_group_new(sdi, name, NULL); | |
613 | if (!devc->cg_pwm) | |
614 | devc->cg_pwm = cg; | |
615 | ch = sr_channel_new(sdi, ch_off, | |
616 | SR_CHANNEL_ANALOG, FALSE, name); | |
617 | ch_off++; | |
618 | cg->channels = g_slist_append(cg->channels, ch); | |
d466f61c | 619 | } |
f2cd2deb | 620 | |
08a49848 GS |
621 | /* |
622 | * Ideally we'd get the previous configuration from the | |
623 | * hardware, but this device is write-only. So we have | |
624 | * to assign a fixed set of initial configuration values. | |
625 | */ | |
a38f0f5e | 626 | sr_sw_limits_init(&devc->sw_limits); |
d8fbfcd9 GS |
627 | devc->sw_limits.limit_samples = 0; |
628 | devc->capture_ratio = 50; | |
edc0b015 | 629 | devc->samplerate = devc->model->samplerate; |
9270f8f4 | 630 | devc->threshold_voltage_idx = LOGIC_THRESHOLD_IDX_DFLT; |
08a49848 GS |
631 | if (ARRAY_SIZE(devc->pwm_setting) >= 1) { |
632 | devc->pwm_setting[0].enabled = FALSE; | |
633 | devc->pwm_setting[0].freq = SR_KHZ(1); | |
634 | devc->pwm_setting[0].duty = 50; | |
635 | } | |
636 | if (ARRAY_SIZE(devc->pwm_setting) >= 2) { | |
637 | devc->pwm_setting[1].enabled = FALSE; | |
638 | devc->pwm_setting[1].freq = SR_KHZ(100); | |
639 | devc->pwm_setting[1].duty = 50; | |
640 | } | |
f2cd2deb FS |
641 | |
642 | sdi->status = SR_ST_INACTIVE; | |
d466f61c | 643 | devices = g_slist_append(devices, sdi); |
f2cd2deb | 644 | } |
d466f61c | 645 | g_slist_free(found_devices); |
f2cd2deb FS |
646 | |
647 | return std_scan_complete(di, devices); | |
648 | } | |
649 | ||
f2cd2deb FS |
650 | static int dev_open(struct sr_dev_inst *sdi) |
651 | { | |
08a49848 | 652 | struct dev_context *devc; |
f2cd2deb | 653 | int ret; |
08a49848 GS |
654 | size_t ch; |
655 | ||
656 | devc = sdi->priv; | |
f2cd2deb | 657 | |
d466f61c | 658 | ret = la2016_open_enum(sdi); |
f2cd2deb | 659 | if (ret != SR_OK) { |
91f73872 | 660 | sr_err("Cannot open device."); |
520a20e9 | 661 | return ret; |
f2cd2deb FS |
662 | } |
663 | ||
08a49848 GS |
664 | /* Send most recent PWM configuration to the device. */ |
665 | for (ch = 0; ch < ARRAY_SIZE(devc->pwm_setting); ch++) { | |
666 | ret = la2016_write_pwm_config(sdi, ch); | |
667 | if (ret != SR_OK) | |
668 | return ret; | |
6d53e949 GS |
669 | } |
670 | ||
f2cd2deb FS |
671 | return SR_OK; |
672 | } | |
673 | ||
674 | static int dev_close(struct sr_dev_inst *sdi) | |
675 | { | |
676 | struct sr_usb_dev_inst *usb; | |
677 | ||
678 | usb = sdi->conn; | |
679 | ||
680 | if (!usb->devhdl) | |
681 | return SR_ERR_BUG; | |
682 | ||
66a24ab5 GS |
683 | if (WITH_DEINIT_IN_CLOSE) |
684 | la2016_deinit_hardware(sdi); | |
f2cd2deb FS |
685 | |
686 | sr_info("Closing device on %d.%d (logical) / %s (physical) interface %d.", | |
687 | usb->bus, usb->address, sdi->connection_id, USB_INTERFACE); | |
d466f61c | 688 | la2016_close_usb(sdi->conn); |
f2cd2deb FS |
689 | |
690 | return SR_OK; | |
691 | } | |
692 | ||
331277e0 GS |
693 | /* Config API helper. Get type and index of a channel group. */ |
694 | static int get_cg_index(const struct sr_dev_inst *sdi, | |
695 | const struct sr_channel_group *cg, | |
696 | int *type, size_t *logic, size_t *analog) | |
697 | { | |
698 | struct dev_context *devc; | |
699 | GSList *l; | |
700 | size_t idx; | |
701 | ||
702 | /* Preset return values. */ | |
703 | if (type) | |
704 | *type = 0; | |
705 | if (logic) | |
706 | *logic = 0; | |
707 | if (analog) | |
708 | *analog = 0; | |
709 | ||
710 | /* Start categorizing the received cg. */ | |
711 | if (!sdi) | |
712 | return SR_ERR_ARG; | |
713 | devc = sdi->priv; | |
714 | if (!cg) | |
715 | return SR_OK; | |
716 | l = sdi->channel_groups; | |
717 | ||
718 | /* First sdi->channelgroups item is "Logic". */ | |
719 | if (!l) | |
720 | return SR_ERR_BUG; | |
721 | if (cg == l->data) { | |
722 | if (type) | |
723 | *type = SR_CHANNEL_LOGIC; | |
724 | if (logic) | |
725 | *logic = 0; | |
726 | return SR_OK; | |
727 | } | |
728 | l = l->next; | |
729 | ||
730 | /* Next sdi->channelgroups items are "PWMx". */ | |
731 | idx = 0; | |
732 | while (l && l->data != cg) { | |
733 | idx++; | |
734 | l = l->next; | |
735 | } | |
736 | if (l && idx < ARRAY_SIZE(devc->pwm_setting)) { | |
737 | if (type) | |
738 | *type = SR_CHANNEL_ANALOG; | |
739 | if (analog) | |
740 | *analog = idx; | |
741 | return SR_OK; | |
742 | } | |
743 | ||
744 | return SR_ERR_ARG; | |
745 | } | |
746 | ||
955ab604 GS |
747 | static int config_get(uint32_t key, GVariant **data, |
748 | const struct sr_dev_inst *sdi, const struct sr_channel_group *cg) | |
f2cd2deb FS |
749 | { |
750 | struct dev_context *devc; | |
331277e0 GS |
751 | int ret, cg_type; |
752 | size_t logic_idx, analog_idx; | |
753 | struct pwm_setting *pwm; | |
f2cd2deb | 754 | struct sr_usb_dev_inst *usb; |
9270f8f4 | 755 | double voltage, rounded; |
f2cd2deb | 756 | |
9270f8f4 GS |
757 | (void)rounded; |
758 | (void)voltage; | |
759 | ||
f2cd2deb FS |
760 | if (!sdi) |
761 | return SR_ERR_ARG; | |
762 | devc = sdi->priv; | |
763 | ||
331277e0 GS |
764 | /* Check for types (and index) of channel groups. */ |
765 | ret = get_cg_index(sdi, cg, &cg_type, &logic_idx, &analog_idx); | |
766 | if (cg && ret != SR_OK) | |
767 | return SR_ERR_ARG; | |
768 | ||
769 | /* Handle requests for the "Logic" channel group. */ | |
770 | if (cg && cg_type == SR_CHANNEL_LOGIC) { | |
9270f8f4 GS |
771 | switch (key) { |
772 | #if !WITH_THRESHOLD_DEVCFG | |
9270f8f4 GS |
773 | case SR_CONF_VOLTAGE_THRESHOLD: |
774 | voltage = threshold_voltage(sdi, NULL); | |
775 | *data = std_gvar_tuple_double(voltage, voltage); | |
776 | break; | |
9270f8f4 GS |
777 | #endif /* WITH_THRESHOLD_DEVCFG */ |
778 | default: | |
779 | return SR_ERR_NA; | |
780 | } | |
781 | return SR_OK; | |
331277e0 GS |
782 | } |
783 | ||
784 | /* Handle requests for the "PWMx" channel groups. */ | |
785 | if (cg && cg_type == SR_CHANNEL_ANALOG) { | |
786 | pwm = &devc->pwm_setting[analog_idx]; | |
787 | switch (key) { | |
788 | case SR_CONF_ENABLED: | |
789 | *data = g_variant_new_boolean(pwm->enabled); | |
790 | break; | |
791 | case SR_CONF_OUTPUT_FREQUENCY: | |
792 | *data = g_variant_new_double(pwm->freq); | |
793 | break; | |
794 | case SR_CONF_DUTY_CYCLE: | |
795 | *data = g_variant_new_double(pwm->duty); | |
796 | break; | |
797 | default: | |
798 | return SR_ERR_NA; | |
799 | } | |
800 | return SR_OK; | |
801 | } | |
802 | ||
f2cd2deb FS |
803 | switch (key) { |
804 | case SR_CONF_CONN: | |
f2cd2deb | 805 | usb = sdi->conn; |
f2cd2deb FS |
806 | *data = g_variant_new_printf("%d.%d", usb->bus, usb->address); |
807 | break; | |
808 | case SR_CONF_SAMPLERATE: | |
edc0b015 | 809 | *data = g_variant_new_uint64(devc->samplerate); |
f2cd2deb FS |
810 | break; |
811 | case SR_CONF_LIMIT_SAMPLES: | |
a38f0f5e GS |
812 | case SR_CONF_LIMIT_MSEC: |
813 | return sr_sw_limits_config_get(&devc->sw_limits, key, data); | |
f2cd2deb FS |
814 | case SR_CONF_CAPTURE_RATIO: |
815 | *data = g_variant_new_uint64(devc->capture_ratio); | |
816 | break; | |
9270f8f4 | 817 | #if WITH_THRESHOLD_DEVCFG |
9270f8f4 GS |
818 | case SR_CONF_VOLTAGE_THRESHOLD: |
819 | voltage = threshold_voltage(sdi, NULL); | |
820 | *data = std_gvar_tuple_double(voltage, voltage); | |
821 | break; | |
9270f8f4 | 822 | #endif /* WITH_THRESHOLD_DEVCFG */ |
f2cd2deb FS |
823 | default: |
824 | return SR_ERR_NA; | |
825 | } | |
826 | ||
827 | return SR_OK; | |
828 | } | |
829 | ||
955ab604 GS |
830 | static int config_set(uint32_t key, GVariant *data, |
831 | const struct sr_dev_inst *sdi, const struct sr_channel_group *cg) | |
f2cd2deb FS |
832 | { |
833 | struct dev_context *devc; | |
331277e0 GS |
834 | int ret, cg_type; |
835 | size_t logic_idx, analog_idx; | |
836 | struct pwm_setting *pwm; | |
c35baf6e | 837 | double value_f; |
f2cd2deb FS |
838 | int idx; |
839 | ||
f2cd2deb FS |
840 | devc = sdi->priv; |
841 | ||
331277e0 GS |
842 | /* Check for types (and index) of channel groups. */ |
843 | ret = get_cg_index(sdi, cg, &cg_type, &logic_idx, &analog_idx); | |
844 | if (cg && ret != SR_OK) | |
845 | return SR_ERR_ARG; | |
846 | ||
847 | /* Handle requests for the "Logic" channel group. */ | |
848 | if (cg && cg_type == SR_CHANNEL_LOGIC) { | |
9270f8f4 GS |
849 | switch (key) { |
850 | #if !WITH_THRESHOLD_DEVCFG | |
9270f8f4 GS |
851 | case SR_CONF_LOGIC_THRESHOLD: |
852 | idx = std_double_tuple_idx(data, | |
853 | ARRAY_AND_SIZE(threshold_ranges)); | |
854 | if (idx < 0) | |
855 | return SR_ERR_ARG; | |
856 | devc->threshold_voltage_idx = idx; | |
857 | break; | |
9270f8f4 GS |
858 | #endif /* WITH_THRESHOLD_DEVCFG */ |
859 | default: | |
860 | return SR_ERR_NA; | |
861 | } | |
862 | return SR_OK; | |
331277e0 GS |
863 | } |
864 | ||
865 | /* Handle requests for the "PWMx" channel groups. */ | |
866 | if (cg && cg_type == SR_CHANNEL_ANALOG) { | |
867 | pwm = &devc->pwm_setting[analog_idx]; | |
868 | switch (key) { | |
869 | case SR_CONF_ENABLED: | |
870 | pwm->enabled = g_variant_get_boolean(data); | |
871 | ret = la2016_write_pwm_config(sdi, analog_idx); | |
872 | if (ret != SR_OK) | |
873 | return ret; | |
874 | break; | |
875 | case SR_CONF_OUTPUT_FREQUENCY: | |
c35baf6e GS |
876 | value_f = g_variant_get_double(data); |
877 | if (value_f <= 0.0 || value_f > MAX_PWM_FREQ) | |
878 | return SR_ERR_ARG; | |
879 | pwm->freq = value_f; | |
331277e0 GS |
880 | ret = la2016_write_pwm_config(sdi, analog_idx); |
881 | if (ret != SR_OK) | |
882 | return ret; | |
883 | break; | |
884 | case SR_CONF_DUTY_CYCLE: | |
c35baf6e GS |
885 | value_f = g_variant_get_double(data); |
886 | if (value_f <= 0.0 || value_f > 100.0) | |
887 | return SR_ERR_ARG; | |
888 | pwm->duty = value_f; | |
331277e0 GS |
889 | ret = la2016_write_pwm_config(sdi, analog_idx); |
890 | if (ret != SR_OK) | |
891 | return ret; | |
892 | break; | |
893 | default: | |
894 | return SR_ERR_NA; | |
895 | } | |
896 | return SR_OK; | |
897 | } | |
898 | ||
f2cd2deb FS |
899 | switch (key) { |
900 | case SR_CONF_SAMPLERATE: | |
edc0b015 | 901 | devc->samplerate = g_variant_get_uint64(data); |
f2cd2deb FS |
902 | break; |
903 | case SR_CONF_LIMIT_SAMPLES: | |
a38f0f5e GS |
904 | case SR_CONF_LIMIT_MSEC: |
905 | return sr_sw_limits_config_set(&devc->sw_limits, key, data); | |
f2cd2deb FS |
906 | case SR_CONF_CAPTURE_RATIO: |
907 | devc->capture_ratio = g_variant_get_uint64(data); | |
908 | break; | |
9270f8f4 | 909 | #if WITH_THRESHOLD_DEVCFG |
9270f8f4 GS |
910 | case SR_CONF_VOLTAGE_THRESHOLD: |
911 | idx = std_double_tuple_idx(data, | |
912 | ARRAY_AND_SIZE(threshold_ranges)); | |
913 | if (idx < 0) | |
914 | return SR_ERR_ARG; | |
915 | devc->threshold_voltage_idx = idx; | |
916 | break; | |
9270f8f4 | 917 | #endif /* WITH_THRESHOLD_DEVCFG */ |
f2cd2deb FS |
918 | default: |
919 | return SR_ERR_NA; | |
920 | } | |
921 | ||
922 | return SR_OK; | |
923 | } | |
924 | ||
955ab604 GS |
925 | static int config_list(uint32_t key, GVariant **data, |
926 | const struct sr_dev_inst *sdi, const struct sr_channel_group *cg) | |
f2cd2deb | 927 | { |
8b172e78 | 928 | struct dev_context *devc; |
331277e0 GS |
929 | int ret, cg_type; |
930 | size_t logic_idx, analog_idx; | |
8b172e78 | 931 | |
a38f0f5e GS |
932 | devc = sdi ? sdi->priv : NULL; |
933 | ||
331277e0 GS |
934 | /* Check for types (and index) of channel groups. */ |
935 | ret = get_cg_index(sdi, cg, &cg_type, &logic_idx, &analog_idx); | |
936 | if (cg && ret != SR_OK) | |
937 | return SR_ERR_ARG; | |
938 | ||
939 | /* Handle requests for the "Logic" channel group. */ | |
940 | if (cg && cg_type == SR_CHANNEL_LOGIC) { | |
9270f8f4 GS |
941 | switch (key) { |
942 | case SR_CONF_DEVICE_OPTIONS: | |
943 | if (ARRAY_SIZE(devopts_cg_logic) == 0) | |
944 | return SR_ERR_NA; | |
945 | *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32, | |
946 | devopts_cg_logic, ARRAY_SIZE(devopts_cg_logic), | |
947 | sizeof(devopts_cg_logic[0])); | |
948 | break; | |
949 | #if !WITH_THRESHOLD_DEVCFG | |
9270f8f4 GS |
950 | case SR_CONF_VOLTAGE_THRESHOLD: |
951 | *data = std_gvar_thresholds(ARRAY_AND_SIZE(threshold_ranges)); | |
952 | break; | |
9270f8f4 GS |
953 | #endif /* WITH_THRESHOLD_DEVCFG */ |
954 | default: | |
955 | return SR_ERR_NA; | |
956 | } | |
957 | return SR_OK; | |
331277e0 GS |
958 | } |
959 | ||
960 | /* Handle requests for the "PWMx" channel groups. */ | |
961 | if (cg && cg_type == SR_CHANNEL_ANALOG) { | |
962 | switch (key) { | |
963 | case SR_CONF_DEVICE_OPTIONS: | |
964 | *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32, | |
965 | devopts_cg_pwm, ARRAY_SIZE(devopts_cg_pwm), | |
966 | sizeof(devopts_cg_pwm[0])); | |
967 | break; | |
968 | default: | |
969 | return SR_ERR_NA; | |
970 | } | |
971 | return SR_OK; | |
972 | } | |
973 | ||
f2cd2deb FS |
974 | switch (key) { |
975 | case SR_CONF_SCAN_OPTIONS: | |
976 | case SR_CONF_DEVICE_OPTIONS: | |
411ad77c GS |
977 | return STD_CONFIG_LIST(key, data, sdi, cg, |
978 | scanopts, drvopts, devopts); | |
f2cd2deb | 979 | case SR_CONF_SAMPLERATE: |
fb28e72d MW |
980 | if (!sdi) |
981 | return SR_ERR_ARG; | |
d466f61c | 982 | if (devc->model->samplerate == SR_MHZ(500)) |
330853ba | 983 | *data = std_gvar_samplerates(ARRAY_AND_SIZE(rates_500mhz)); |
d466f61c | 984 | else if (devc->model->samplerate == SR_MHZ(200)) |
330853ba | 985 | *data = std_gvar_samplerates(ARRAY_AND_SIZE(rates_200mhz)); |
4276ca94 | 986 | else if (devc->model->samplerate == SR_MHZ(100)) |
330853ba | 987 | *data = std_gvar_samplerates(ARRAY_AND_SIZE(rates_100mhz)); |
4276ca94 GS |
988 | else |
989 | return SR_ERR_BUG; | |
f2cd2deb FS |
990 | break; |
991 | case SR_CONF_LIMIT_SAMPLES: | |
d8fbfcd9 | 992 | *data = std_gvar_tuple_u64(0, LA2016_NUM_SAMPLES_MAX); |
f2cd2deb | 993 | break; |
9270f8f4 | 994 | #if WITH_THRESHOLD_DEVCFG |
9270f8f4 GS |
995 | case SR_CONF_VOLTAGE_THRESHOLD: |
996 | *data = std_gvar_thresholds(ARRAY_AND_SIZE(threshold_ranges)); | |
997 | break; | |
9270f8f4 | 998 | #endif /* WITH_THRESHOLD_DEVCFG */ |
f2cd2deb FS |
999 | case SR_CONF_TRIGGER_MATCH: |
1000 | *data = std_gvar_array_i32(ARRAY_AND_SIZE(trigger_matches)); | |
1001 | break; | |
f2cd2deb FS |
1002 | default: |
1003 | return SR_ERR_NA; | |
1004 | } | |
1005 | ||
1006 | return SR_OK; | |
1007 | } | |
1008 | ||
f2cd2deb FS |
1009 | static int dev_acquisition_start(const struct sr_dev_inst *sdi) |
1010 | { | |
1011 | struct sr_dev_driver *di; | |
1012 | struct drv_context *drvc; | |
520a20e9 | 1013 | struct sr_context *ctx; |
f2cd2deb | 1014 | struct dev_context *devc; |
4276ca94 | 1015 | size_t unitsize; |
9270f8f4 | 1016 | double voltage; |
f2cd2deb FS |
1017 | int ret; |
1018 | ||
1019 | di = sdi->driver; | |
1020 | drvc = di->context; | |
520a20e9 | 1021 | ctx = drvc->sr_ctx;; |
f2cd2deb FS |
1022 | devc = sdi->priv; |
1023 | ||
a38f0f5e | 1024 | if (!devc->feed_queue) { |
4276ca94 GS |
1025 | if (devc->model->channel_count == 32) |
1026 | unitsize = sizeof(uint32_t); | |
1027 | else if (devc->model->channel_count == 16) | |
1028 | unitsize = sizeof(uint16_t); | |
1029 | else | |
1030 | return SR_ERR_ARG; | |
a38f0f5e | 1031 | devc->feed_queue = feed_queue_logic_alloc(sdi, |
4276ca94 | 1032 | LA2016_CONVBUFFER_SIZE, unitsize); |
a38f0f5e GS |
1033 | if (!devc->feed_queue) { |
1034 | sr_err("Cannot allocate buffer for session feed."); | |
1035 | return SR_ERR_MALLOC; | |
1036 | } | |
038e65c1 GS |
1037 | devc->packets_per_chunk = TRANSFER_PACKET_LENGTH; |
1038 | devc->packets_per_chunk--; | |
1039 | devc->packets_per_chunk /= unitsize + sizeof(uint8_t); | |
f2cd2deb FS |
1040 | } |
1041 | ||
a38f0f5e GS |
1042 | sr_sw_limits_acquisition_start(&devc->sw_limits); |
1043 | ||
9270f8f4 GS |
1044 | voltage = threshold_voltage(sdi, NULL); |
1045 | ret = la2016_setup_acquisition(sdi, voltage); | |
411ad77c | 1046 | if (ret != SR_OK) { |
a38f0f5e GS |
1047 | feed_queue_logic_free(devc->feed_queue); |
1048 | devc->feed_queue = NULL; | |
f2cd2deb FS |
1049 | return ret; |
1050 | } | |
1051 | ||
411ad77c GS |
1052 | ret = la2016_start_acquisition(sdi); |
1053 | if (ret != SR_OK) { | |
3ebc1cb2 | 1054 | la2016_abort_acquisition(sdi); |
a38f0f5e GS |
1055 | feed_queue_logic_free(devc->feed_queue); |
1056 | devc->feed_queue = NULL; | |
f2cd2deb FS |
1057 | return ret; |
1058 | } | |
1059 | ||
cf057ac4 | 1060 | devc->completion_seen = FALSE; |
520a20e9 | 1061 | usb_source_add(sdi->session, ctx, 50, |
388438e4 | 1062 | la2016_receive_data, (void *)sdi); |
f2cd2deb FS |
1063 | |
1064 | std_session_send_df_header(sdi); | |
1065 | ||
1066 | return SR_OK; | |
1067 | } | |
1068 | ||
1069 | static int dev_acquisition_stop(struct sr_dev_inst *sdi) | |
1070 | { | |
1071 | int ret; | |
1072 | ||
1073 | ret = la2016_abort_acquisition(sdi); | |
f2cd2deb FS |
1074 | |
1075 | return ret; | |
1076 | } | |
1077 | ||
1078 | static struct sr_dev_driver kingst_la2016_driver_info = { | |
1079 | .name = "kingst-la2016", | |
1080 | .longname = "Kingst LA2016", | |
1081 | .api_version = 1, | |
1082 | .init = std_init, | |
1083 | .cleanup = std_cleanup, | |
1084 | .scan = scan, | |
1085 | .dev_list = std_dev_list, | |
1086 | .dev_clear = std_dev_clear, | |
1087 | .config_get = config_get, | |
1088 | .config_set = config_set, | |
1089 | .config_list = config_list, | |
1090 | .dev_open = dev_open, | |
1091 | .dev_close = dev_close, | |
1092 | .dev_acquisition_start = dev_acquisition_start, | |
1093 | .dev_acquisition_stop = dev_acquisition_stop, | |
1094 | .context = NULL, | |
1095 | }; | |
1096 | SR_REGISTER_DEV_DRIVER(kingst_la2016_driver_info); |