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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 | #if !WITH_THRESHOLD_SIMPLE |
f2cd2deb FS |
54 | SR_CONF_LOGIC_THRESHOLD | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST, |
55 | SR_CONF_LOGIC_THRESHOLD_CUSTOM | SR_CONF_GET | SR_CONF_SET, | |
9270f8f4 GS |
56 | #endif |
57 | #endif | |
f2cd2deb FS |
58 | SR_CONF_TRIGGER_MATCH | SR_CONF_LIST, |
59 | SR_CONF_CAPTURE_RATIO | SR_CONF_GET | SR_CONF_SET, | |
60 | }; | |
61 | ||
9270f8f4 GS |
62 | static const uint32_t devopts_cg_logic[] = { |
63 | #if !WITH_THRESHOLD_DEVCFG | |
64 | SR_CONF_VOLTAGE_THRESHOLD | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST, | |
65 | #endif | |
66 | }; | |
67 | ||
331277e0 GS |
68 | static const uint32_t devopts_cg_pwm[] = { |
69 | SR_CONF_ENABLED | SR_CONF_GET | SR_CONF_SET, | |
70 | SR_CONF_OUTPUT_FREQUENCY | SR_CONF_GET | SR_CONF_SET, | |
71 | SR_CONF_DUTY_CYCLE | SR_CONF_GET | SR_CONF_SET, | |
72 | }; | |
73 | ||
f2cd2deb FS |
74 | static const int32_t trigger_matches[] = { |
75 | SR_TRIGGER_ZERO, | |
76 | SR_TRIGGER_ONE, | |
77 | SR_TRIGGER_RISING, | |
78 | SR_TRIGGER_FALLING, | |
79 | }; | |
80 | ||
d466f61c | 81 | static const char *channel_names_logic[] = { |
da25c287 GS |
82 | "CH0", "CH1", "CH2", "CH3", "CH4", "CH5", "CH6", "CH7", |
83 | "CH8", "CH9", "CH10", "CH11", "CH12", "CH13", "CH14", "CH15", | |
d466f61c GS |
84 | "CH16", "CH17", "CH18", "CH19", "CH20", "CH21", "CH22", "CH23", |
85 | "CH24", "CH25", "CH26", "CH27", "CH28", "CH29", "CH30", "CH31", | |
f2cd2deb FS |
86 | }; |
87 | ||
331277e0 GS |
88 | static const char *channel_names_pwm[] = { |
89 | "PWM1", "PWM2", | |
90 | }; | |
91 | ||
ea436ba7 | 92 | /* |
330853ba | 93 | * The hardware uses a 100/200/500MHz base clock (model dependent) and |
ea436ba7 GS |
94 | * a 16bit divider (common across all models). The range from 10kHz to |
95 | * 100/200/500MHz should be applicable to all devices. High rates may | |
96 | * suffer from coarse resolution (e.g. in the "500MHz div 2" case) and | |
330853ba GS |
97 | * may not provide the desired 1/2/5 steps. Fortunately this exclusively |
98 | * affects the 500MHz model where 250MHz is used instead of 200MHz and | |
99 | * the 166MHz and 125MHz rates are not presented to users. Deep memory | |
100 | * of these models and hardware compression reduce the necessity to let | |
101 | * users pick from a huge list of possible rates. | |
102 | * | |
ea436ba7 GS |
103 | */ |
104 | ||
330853ba GS |
105 | static const uint64_t rates_500mhz[] = { |
106 | SR_KHZ(10), | |
107 | SR_KHZ(20), | |
108 | SR_KHZ(50), | |
109 | SR_KHZ(100), | |
110 | SR_KHZ(200), | |
111 | SR_KHZ(500), | |
112 | SR_MHZ(1), | |
113 | SR_MHZ(2), | |
114 | SR_MHZ(5), | |
115 | SR_MHZ(10), | |
116 | SR_MHZ(20), | |
117 | SR_MHZ(50), | |
118 | SR_MHZ(100), | |
119 | SR_MHZ(250), | |
120 | SR_MHZ(500), | |
121 | }; | |
122 | ||
123 | static const uint64_t rates_200mhz[] = { | |
ea436ba7 | 124 | SR_KHZ(10), |
f2cd2deb FS |
125 | SR_KHZ(20), |
126 | SR_KHZ(50), | |
127 | SR_KHZ(100), | |
128 | SR_KHZ(200), | |
129 | SR_KHZ(500), | |
130 | SR_MHZ(1), | |
131 | SR_MHZ(2), | |
f2cd2deb | 132 | SR_MHZ(5), |
f2cd2deb FS |
133 | SR_MHZ(10), |
134 | SR_MHZ(20), | |
135 | SR_MHZ(50), | |
136 | SR_MHZ(100), | |
137 | SR_MHZ(200), | |
138 | }; | |
139 | ||
330853ba | 140 | static const uint64_t rates_100mhz[] = { |
ea436ba7 | 141 | SR_KHZ(10), |
8b172e78 KG |
142 | SR_KHZ(20), |
143 | SR_KHZ(50), | |
144 | SR_KHZ(100), | |
145 | SR_KHZ(200), | |
146 | SR_KHZ(500), | |
147 | SR_MHZ(1), | |
148 | SR_MHZ(2), | |
8b172e78 | 149 | SR_MHZ(5), |
8b172e78 KG |
150 | SR_MHZ(10), |
151 | SR_MHZ(20), | |
152 | SR_MHZ(50), | |
153 | SR_MHZ(100), | |
154 | }; | |
155 | ||
9270f8f4 GS |
156 | #if WITH_THRESHOLD_SIMPLE |
157 | ||
158 | /* | |
159 | * Only list a few discrete voltages, to form a useful set which covers | |
160 | * most logic families. Too many choices can make some applications use | |
161 | * a slider again. Which may lack a scale for the current value, and | |
162 | * leave users without feedback what the currently used value might be. | |
163 | */ | |
164 | static const double threshold_ranges[][2] = { | |
165 | { 0.4, 0.4, }, | |
166 | { 0.6, 0.6, }, | |
167 | { 0.9, 0.9, }, | |
168 | { 1.2, 1.2, }, | |
169 | { 1.4, 1.4, }, /* Default, 1.4V, index 4. */ | |
170 | { 2.0, 2.0, }, | |
171 | { 2.5, 2.5, }, | |
172 | { 4.0, 4.0, }, | |
173 | }; | |
174 | #define LOGIC_THRESHOLD_IDX_DFLT 4 | |
175 | ||
176 | static double threshold_voltage(const struct sr_dev_inst *sdi, double *high) | |
177 | { | |
178 | struct dev_context *devc; | |
179 | size_t idx; | |
180 | double voltage; | |
181 | ||
182 | devc = sdi->priv; | |
183 | idx = devc->threshold_voltage_idx; | |
184 | voltage = threshold_ranges[idx][0]; | |
185 | if (high) | |
186 | *high = threshold_ranges[idx][1]; | |
187 | ||
188 | return voltage; | |
189 | } | |
190 | ||
191 | #else /* WITH_THRESHOLD_SIMPLE */ | |
192 | ||
f2cd2deb FS |
193 | static const float logic_threshold_value[] = { |
194 | 1.58, | |
195 | 2.5, | |
196 | 1.165, | |
197 | 1.5, | |
198 | 1.25, | |
199 | 0.9, | |
200 | 0.75, | |
201 | 0.60, | |
202 | 0.45, | |
203 | }; | |
204 | ||
205 | static const char *logic_threshold[] = { | |
206 | "TTL 5V", | |
207 | "CMOS 5V", | |
208 | "CMOS 3.3V", | |
209 | "CMOS 3.0V", | |
210 | "CMOS 2.5V", | |
211 | "CMOS 1.8V", | |
212 | "CMOS 1.5V", | |
213 | "CMOS 1.2V", | |
214 | "CMOS 0.9V", | |
215 | "USER", | |
216 | }; | |
217 | ||
da2cb50d | 218 | #define LOGIC_THRESHOLD_IDX_USER (ARRAY_SIZE(logic_threshold) - 1) |
f2cd2deb | 219 | |
9270f8f4 GS |
220 | static double threshold_voltage(const struct sr_dev_inst *sdi, double *high) |
221 | { | |
222 | struct dev_context *devc; | |
223 | size_t idx; | |
224 | double voltage; | |
225 | ||
226 | devc = sdi->priv; | |
227 | idx = devc->threshold_voltage_idx; | |
228 | if (idx == LOGIC_THRESHOLD_IDX_USER) | |
229 | voltage = devc->threshold_voltage; | |
230 | else | |
231 | voltage = logic_threshold_value[idx]; | |
232 | if (high) | |
233 | *high = voltage; | |
234 | ||
235 | return voltage; | |
236 | } | |
237 | ||
238 | #endif /* WITH_THRESHOLD_SIMPLE */ | |
239 | ||
d466f61c GS |
240 | /* Convenience. Release an allocated devc from error paths. */ |
241 | static void kingst_la2016_free_devc(struct dev_context *devc) | |
242 | { | |
243 | if (!devc) | |
244 | return; | |
245 | g_free(devc->mcu_firmware); | |
246 | g_free(devc->fpga_bitstream); | |
247 | g_free(devc); | |
248 | } | |
249 | ||
250 | /* Convenience. Release an allocated sdi from error paths. */ | |
251 | static void kingst_la2016_free_sdi(struct sr_dev_inst *sdi) | |
252 | { | |
253 | if (!sdi) | |
254 | return; | |
255 | g_free(sdi->vendor); | |
256 | g_free(sdi->model); | |
257 | g_free(sdi->version); | |
258 | g_free(sdi->serial_num); | |
259 | g_free(sdi->connection_id); | |
260 | sr_usb_dev_inst_free(sdi->conn); | |
261 | kingst_la2016_free_devc(sdi->priv); | |
262 | } | |
263 | ||
264 | /* Convenience. Open a USB device (including claiming an interface). */ | |
265 | static int la2016_open_usb(struct sr_usb_dev_inst *usb, | |
266 | libusb_device *dev, gboolean show_message) | |
267 | { | |
268 | int ret; | |
269 | ||
270 | ret = libusb_open(dev, &usb->devhdl); | |
271 | if (ret != 0) { | |
272 | if (show_message) { | |
273 | sr_err("Cannot open device: %s.", | |
274 | libusb_error_name(ret)); | |
275 | } | |
276 | return SR_ERR_IO; | |
277 | } | |
278 | ||
279 | if (usb->address == 0xff) { | |
280 | /* | |
281 | * First encounter after firmware upload. | |
282 | * Grab current address after enumeration. | |
283 | */ | |
284 | usb->address = libusb_get_device_address(dev); | |
285 | } | |
286 | ||
287 | ret = libusb_claim_interface(usb->devhdl, USB_INTERFACE); | |
288 | if (ret == LIBUSB_ERROR_BUSY) { | |
289 | sr_err("Cannot claim USB interface. Another program or driver using it?"); | |
290 | return SR_ERR_IO; | |
291 | } else if (ret == LIBUSB_ERROR_NO_DEVICE) { | |
292 | sr_err("Device has been disconnected."); | |
293 | return SR_ERR_IO; | |
294 | } else if (ret != 0) { | |
295 | sr_err("Cannot claim USB interface: %s.", | |
296 | libusb_error_name(ret)); | |
297 | return SR_ERR_IO; | |
298 | } | |
299 | ||
300 | return SR_OK; | |
301 | } | |
302 | ||
303 | /* Convenience. Close an opened USB device (and release the interface). */ | |
304 | static void la2016_close_usb(struct sr_usb_dev_inst *usb) | |
305 | { | |
306 | ||
307 | if (!usb) | |
308 | return; | |
309 | ||
310 | if (usb->devhdl) { | |
311 | libusb_release_interface(usb->devhdl, USB_INTERFACE); | |
312 | libusb_close(usb->devhdl); | |
313 | usb->devhdl = NULL; | |
314 | } | |
315 | } | |
316 | ||
317 | /* Communicate to an USB device to identify the Kingst LA model. */ | |
318 | static int la2016_identify_read(struct sr_dev_inst *sdi, | |
319 | struct sr_usb_dev_inst *usb, libusb_device *dev, | |
320 | gboolean show_message) | |
321 | { | |
322 | int ret; | |
323 | ||
324 | ret = la2016_open_usb(usb, dev, show_message); | |
325 | if (ret != SR_OK) { | |
326 | if (show_message) | |
327 | sr_err("Cannot communicate to MCU firmware."); | |
328 | return ret; | |
329 | } | |
6d53e949 GS |
330 | |
331 | /* | |
332 | * Also complete the hardware configuration (FPGA bitstream) | |
333 | * when MCU firmware communication became operational. Either | |
334 | * failure is considered fatal when probing for the device. | |
335 | */ | |
d466f61c | 336 | ret = la2016_identify_device(sdi, show_message); |
6d53e949 GS |
337 | if (ret == SR_OK) { |
338 | ret = la2016_init_hardware(sdi); | |
339 | } | |
340 | ||
d466f61c GS |
341 | la2016_close_usb(usb); |
342 | ||
343 | return ret; | |
344 | } | |
345 | ||
346 | /* Find given conn_id in another USB enum. Identify Kingst LA model. */ | |
347 | static int la2016_identify_enum(struct sr_dev_inst *sdi) | |
348 | { | |
349 | struct sr_dev_driver *di; | |
350 | struct drv_context *drvc; | |
351 | struct sr_context *ctx; | |
352 | libusb_device **devlist, *dev; | |
353 | struct libusb_device_descriptor des; | |
354 | int ret, id_ret; | |
355 | size_t device_count, dev_idx; | |
356 | char conn_id[64]; | |
357 | ||
358 | di = sdi->driver; | |
359 | drvc = di->context; | |
360 | ctx = drvc->sr_ctx;; | |
361 | ||
362 | ret = libusb_get_device_list(ctx->libusb_ctx, &devlist); | |
363 | if (ret < 0) | |
364 | return SR_ERR_IO; | |
365 | device_count = ret; | |
366 | if (!device_count) | |
367 | return SR_ERR_IO; | |
368 | id_ret = SR_ERR_IO; | |
369 | for (dev_idx = 0; dev_idx < device_count; dev_idx++) { | |
370 | dev = devlist[dev_idx]; | |
371 | libusb_get_device_descriptor(dev, &des); | |
372 | if (des.idVendor != LA2016_VID || des.idProduct != LA2016_PID) | |
373 | continue; | |
374 | if (des.iProduct != LA2016_IPRODUCT_INDEX) | |
375 | continue; | |
376 | ret = usb_get_port_path(dev, conn_id, sizeof(conn_id)); | |
377 | if (ret < 0) | |
378 | continue; | |
379 | if (strcmp(sdi->connection_id, conn_id) != 0) | |
380 | continue; | |
381 | id_ret = la2016_identify_read(sdi, sdi->conn, dev, FALSE); | |
382 | break; | |
383 | } | |
384 | libusb_free_device_list(devlist, 1); | |
385 | ||
386 | return id_ret; | |
387 | } | |
388 | ||
389 | /* Wait for a device to re-appear after firmware upload. */ | |
390 | static int la2016_identify_wait(struct sr_dev_inst *sdi) | |
391 | { | |
392 | struct dev_context *devc; | |
393 | uint64_t reset_done, now, elapsed_ms; | |
394 | int ret; | |
395 | ||
396 | devc = sdi->priv; | |
397 | ||
398 | sr_info("Waiting for device to reset after firmware upload."); | |
399 | now = g_get_monotonic_time(); | |
400 | reset_done = devc->fw_uploaded + RENUM_GONE_DELAY_MS * 1000; | |
401 | if (now < reset_done) | |
402 | g_usleep(reset_done - now); | |
403 | do { | |
404 | now = g_get_monotonic_time(); | |
405 | elapsed_ms = (now - devc->fw_uploaded) / 1000; | |
406 | sr_spew("Waited %" PRIu64 "ms.", elapsed_ms); | |
407 | ret = la2016_identify_enum(sdi); | |
408 | if (ret == SR_OK) { | |
409 | devc->fw_uploaded = 0; | |
410 | break; | |
411 | } | |
412 | g_usleep(RENUM_POLL_INTERVAL_MS * 1000); | |
413 | } while (elapsed_ms < RENUM_CHECK_PERIOD_MS); | |
414 | if (ret != SR_OK) { | |
415 | sr_err("Device failed to re-enumerate."); | |
416 | return ret; | |
417 | } | |
418 | sr_info("Device came back after %" PRIi64 "ms.", elapsed_ms); | |
419 | ||
420 | return SR_OK; | |
421 | } | |
422 | ||
423 | /* | |
424 | * Open given conn_id from another USB enum. Used by dev_open(). Similar | |
425 | * to, and should be kept in sync with la2016_identify_enum(). | |
426 | */ | |
427 | static int la2016_open_enum(struct sr_dev_inst *sdi) | |
428 | { | |
429 | struct sr_dev_driver *di; | |
430 | struct drv_context *drvc; | |
431 | struct sr_context *ctx; | |
432 | libusb_device **devlist, *dev; | |
433 | struct libusb_device_descriptor des; | |
434 | int ret, open_ret; | |
435 | size_t device_count, dev_idx; | |
436 | char conn_id[64]; | |
437 | ||
438 | di = sdi->driver; | |
439 | drvc = di->context; | |
440 | ctx = drvc->sr_ctx;; | |
441 | ||
442 | ret = libusb_get_device_list(ctx->libusb_ctx, &devlist); | |
443 | if (ret < 0) | |
444 | return SR_ERR_IO; | |
445 | device_count = ret; | |
446 | if (!device_count) | |
447 | return SR_ERR_IO; | |
448 | open_ret = SR_ERR_IO; | |
449 | for (dev_idx = 0; dev_idx < device_count; dev_idx++) { | |
450 | dev = devlist[dev_idx]; | |
451 | libusb_get_device_descriptor(dev, &des); | |
452 | if (des.idVendor != LA2016_VID || des.idProduct != LA2016_PID) | |
453 | continue; | |
454 | if (des.iProduct != LA2016_IPRODUCT_INDEX) | |
455 | continue; | |
456 | ret = usb_get_port_path(dev, conn_id, sizeof(conn_id)); | |
457 | if (ret < 0) | |
458 | continue; | |
459 | if (strcmp(sdi->connection_id, conn_id) != 0) | |
460 | continue; | |
461 | open_ret = la2016_open_usb(sdi->conn, dev, TRUE); | |
462 | break; | |
463 | } | |
464 | libusb_free_device_list(devlist, 1); | |
465 | ||
466 | return open_ret; | |
467 | } | |
468 | ||
f2cd2deb FS |
469 | static GSList *scan(struct sr_dev_driver *di, GSList *options) |
470 | { | |
471 | struct drv_context *drvc; | |
520a20e9 | 472 | struct sr_context *ctx; |
f2cd2deb FS |
473 | struct dev_context *devc; |
474 | struct sr_dev_inst *sdi; | |
475 | struct sr_usb_dev_inst *usb; | |
476 | struct sr_config *src; | |
477 | GSList *l; | |
d466f61c | 478 | GSList *devices, *found_devices, *renum_devices; |
f2cd2deb FS |
479 | GSList *conn_devices; |
480 | struct libusb_device_descriptor des; | |
520a20e9 GS |
481 | libusb_device **devlist, *dev; |
482 | size_t dev_count, dev_idx, ch_idx; | |
483 | uint8_t bus, addr; | |
d466f61c | 484 | uint16_t pid; |
f2cd2deb | 485 | const char *conn; |
520a20e9 | 486 | char conn_id[64]; |
520a20e9 | 487 | int ret; |
d466f61c | 488 | size_t ch_off, ch_max; |
331277e0 GS |
489 | struct sr_channel *ch; |
490 | struct sr_channel_group *cg; | |
f2cd2deb FS |
491 | |
492 | drvc = di->context; | |
520a20e9 | 493 | ctx = drvc->sr_ctx;; |
f2cd2deb FS |
494 | |
495 | conn = NULL; | |
d466f61c | 496 | conn_devices = NULL; |
f2cd2deb FS |
497 | for (l = options; l; l = l->next) { |
498 | src = l->data; | |
499 | switch (src->key) { | |
500 | case SR_CONF_CONN: | |
501 | conn = g_variant_get_string(src->data, NULL); | |
502 | break; | |
503 | } | |
504 | } | |
505 | if (conn) | |
520a20e9 | 506 | conn_devices = sr_usb_find(ctx->libusb_ctx, conn); |
d466f61c GS |
507 | if (conn && !conn_devices) { |
508 | sr_err("Cannot find the specified connection '%s'.", conn); | |
509 | return NULL; | |
510 | } | |
f2cd2deb | 511 | |
d466f61c GS |
512 | /* |
513 | * Find all LA2016 devices, optionally upload firmware to them. | |
514 | * Defer completion of sdi/devc creation until all (selected) | |
515 | * devices were found in a usable state, and their models got | |
516 | * identified which affect their feature set. It appears that | |
517 | * we cannot communicate to the device within the same USB enum | |
518 | * cycle, needs another USB enumeration after firmware upload. | |
519 | */ | |
f2cd2deb | 520 | devices = NULL; |
d466f61c GS |
521 | found_devices = NULL; |
522 | renum_devices = NULL; | |
520a20e9 GS |
523 | ret = libusb_get_device_list(ctx->libusb_ctx, &devlist); |
524 | if (ret < 0) { | |
525 | sr_err("Cannot get device list: %s.", libusb_error_name(ret)); | |
526 | return devices; | |
527 | } | |
528 | dev_count = ret; | |
529 | for (dev_idx = 0; dev_idx < dev_count; dev_idx++) { | |
530 | dev = devlist[dev_idx]; | |
531 | bus = libusb_get_bus_number(dev); | |
532 | addr = libusb_get_device_address(dev); | |
d466f61c GS |
533 | |
534 | /* Filter by connection when externally specified. */ | |
535 | for (l = conn_devices; l; l = l->next) { | |
536 | usb = l->data; | |
537 | if (usb->bus == bus && usb->address == addr) | |
538 | break; | |
539 | } | |
540 | if (conn_devices && !l) { | |
541 | sr_spew("Bus %hhu, addr %hhu do not match specified filter.", | |
542 | bus, addr); | |
543 | continue; | |
f2cd2deb FS |
544 | } |
545 | ||
d466f61c | 546 | /* Check USB VID:PID. Get the connection string. */ |
520a20e9 | 547 | libusb_get_device_descriptor(dev, &des); |
d466f61c GS |
548 | if (des.idVendor != LA2016_VID || des.idProduct != LA2016_PID) |
549 | continue; | |
550 | pid = des.idProduct; | |
520a20e9 GS |
551 | ret = usb_get_port_path(dev, conn_id, sizeof(conn_id)); |
552 | if (ret < 0) | |
f2cd2deb | 553 | continue; |
d466f61c GS |
554 | sr_dbg("USB enum found %04x:%04x at path %s, %d.%d.", |
555 | des.idVendor, des.idProduct, conn_id, bus, addr); | |
556 | usb = sr_usb_dev_inst_new(bus, addr, NULL); | |
f2cd2deb | 557 | |
520a20e9 | 558 | sdi = g_malloc0(sizeof(*sdi)); |
d466f61c | 559 | sdi->driver = di; |
f2cd2deb | 560 | sdi->status = SR_ST_INITIALIZING; |
d466f61c | 561 | sdi->inst_type = SR_INST_USB; |
520a20e9 | 562 | sdi->connection_id = g_strdup(conn_id); |
d466f61c | 563 | sdi->conn = usb; |
f2cd2deb | 564 | |
d466f61c GS |
565 | devc = g_malloc0(sizeof(*devc)); |
566 | sdi->priv = devc; | |
f2cd2deb | 567 | |
d466f61c GS |
568 | /* |
569 | * Load MCU firmware if it is currently missing. Which | |
570 | * makes the device disappear and renumerate in USB. | |
571 | * We need to come back another time to communicate to | |
572 | * this device. | |
573 | */ | |
574 | devc->fw_uploaded = 0; | |
575 | if (des.iProduct != LA2016_IPRODUCT_INDEX) { | |
576 | sr_info("Uploading MCU firmware to '%s'.", conn_id); | |
577 | ret = la2016_upload_firmware(sdi, ctx, dev, pid); | |
520a20e9 | 578 | if (ret != SR_OK) { |
91f73872 | 579 | sr_err("MCU firmware upload failed."); |
d466f61c | 580 | kingst_la2016_free_sdi(sdi); |
f2cd2deb FS |
581 | continue; |
582 | } | |
d466f61c GS |
583 | devc->fw_uploaded = g_get_monotonic_time(); |
584 | usb->address = 0xff; | |
585 | renum_devices = g_slist_append(renum_devices, sdi); | |
586 | continue; | |
f2cd2deb FS |
587 | } |
588 | ||
d466f61c GS |
589 | /* |
590 | * Communicate to the MCU firmware to access EEPROM data | |
591 | * which lets us identify the device type. Then stop, to | |
592 | * share remaining sdi/devc creation with those devices | |
593 | * which had their MCU firmware uploaded above and which | |
594 | * get revisited later. | |
595 | */ | |
596 | ret = la2016_identify_read(sdi, usb, dev, TRUE); | |
597 | if (ret != SR_OK || !devc->model) { | |
598 | sr_err("Unknown or unsupported device type."); | |
599 | kingst_la2016_free_sdi(sdi); | |
600 | continue; | |
601 | } | |
602 | found_devices = g_slist_append(found_devices, sdi); | |
603 | } | |
604 | libusb_free_device_list(devlist, 1); | |
605 | g_slist_free_full(conn_devices, sr_usb_dev_inst_free_cb); | |
f2cd2deb | 606 | |
d466f61c GS |
607 | /* |
608 | * Wait for devices to re-appear after firmware upload. Append | |
609 | * the yet unidentified device to the list of found devices, or | |
610 | * release the previously allocated sdi/devc. | |
611 | */ | |
612 | for (l = renum_devices; l; l = l->next) { | |
613 | sdi = l->data; | |
614 | devc = sdi->priv; | |
615 | ret = la2016_identify_wait(sdi); | |
616 | if (ret != SR_OK || !devc->model) { | |
617 | sr_dbg("Skipping unusable '%s'.", sdi->connection_id); | |
618 | kingst_la2016_free_sdi(sdi); | |
619 | continue; | |
520a20e9 | 620 | } |
d466f61c GS |
621 | found_devices = g_slist_append(found_devices, sdi); |
622 | } | |
623 | g_slist_free(renum_devices); | |
f2cd2deb | 624 | |
d466f61c GS |
625 | /* |
626 | * All found devices got identified, their type is known here. | |
627 | * Complete the sdi/devc creation. Assign default settings | |
628 | * because the vendor firmware would not let us read back the | |
629 | * previously written configuration. | |
630 | */ | |
631 | for (l = found_devices; l; l = l->next) { | |
632 | sdi = l->data; | |
633 | devc = sdi->priv; | |
634 | ||
635 | sdi->vendor = g_strdup("Kingst"); | |
636 | sdi->model = g_strdup(devc->model->name); | |
637 | ch_off = 0; | |
638 | ||
331277e0 | 639 | /* Create the "Logic" channel group. */ |
d466f61c GS |
640 | ch_max = ARRAY_SIZE(channel_names_logic); |
641 | if (ch_max > devc->model->channel_count) | |
642 | ch_max = devc->model->channel_count; | |
331277e0 GS |
643 | cg = sr_channel_group_new(sdi, "Logic", NULL); |
644 | devc->cg_logic = cg; | |
d466f61c | 645 | for (ch_idx = 0; ch_idx < ch_max; ch_idx++) { |
331277e0 | 646 | ch = sr_channel_new(sdi, ch_off, |
d466f61c GS |
647 | SR_CHANNEL_LOGIC, TRUE, |
648 | channel_names_logic[ch_idx]); | |
649 | ch_off++; | |
331277e0 GS |
650 | cg->channels = g_slist_append(cg->channels, ch); |
651 | } | |
652 | ||
653 | /* Create the "PWMx" channel groups. */ | |
654 | ch_max = ARRAY_SIZE(channel_names_pwm); | |
655 | for (ch_idx = 0; ch_idx < ch_max; ch_idx++) { | |
656 | const char *name; | |
657 | name = channel_names_pwm[ch_idx]; | |
658 | cg = sr_channel_group_new(sdi, name, NULL); | |
659 | if (!devc->cg_pwm) | |
660 | devc->cg_pwm = cg; | |
661 | ch = sr_channel_new(sdi, ch_off, | |
662 | SR_CHANNEL_ANALOG, FALSE, name); | |
663 | ch_off++; | |
664 | cg->channels = g_slist_append(cg->channels, ch); | |
d466f61c | 665 | } |
f2cd2deb | 666 | |
08a49848 GS |
667 | /* |
668 | * Ideally we'd get the previous configuration from the | |
669 | * hardware, but this device is write-only. So we have | |
670 | * to assign a fixed set of initial configuration values. | |
671 | */ | |
a38f0f5e | 672 | sr_sw_limits_init(&devc->sw_limits); |
d8fbfcd9 GS |
673 | devc->sw_limits.limit_samples = 0; |
674 | devc->capture_ratio = 50; | |
675 | devc->cur_samplerate = devc->model->samplerate; | |
9270f8f4 GS |
676 | #if WITH_THRESHOLD_SIMPLE |
677 | devc->threshold_voltage_idx = LOGIC_THRESHOLD_IDX_DFLT; | |
678 | #else /* WITH_THRESHOLD_SIMPLE */ | |
f2cd2deb FS |
679 | devc->threshold_voltage_idx = 0; |
680 | devc->threshold_voltage = logic_threshold_value[devc->threshold_voltage_idx]; | |
9270f8f4 | 681 | #endif /* WITH_THRESHOLD_SIMPLE */ |
08a49848 GS |
682 | if (ARRAY_SIZE(devc->pwm_setting) >= 1) { |
683 | devc->pwm_setting[0].enabled = FALSE; | |
684 | devc->pwm_setting[0].freq = SR_KHZ(1); | |
685 | devc->pwm_setting[0].duty = 50; | |
686 | } | |
687 | if (ARRAY_SIZE(devc->pwm_setting) >= 2) { | |
688 | devc->pwm_setting[1].enabled = FALSE; | |
689 | devc->pwm_setting[1].freq = SR_KHZ(100); | |
690 | devc->pwm_setting[1].duty = 50; | |
691 | } | |
f2cd2deb FS |
692 | |
693 | sdi->status = SR_ST_INACTIVE; | |
d466f61c | 694 | devices = g_slist_append(devices, sdi); |
f2cd2deb | 695 | } |
d466f61c | 696 | g_slist_free(found_devices); |
f2cd2deb FS |
697 | |
698 | return std_scan_complete(di, devices); | |
699 | } | |
700 | ||
f2cd2deb FS |
701 | static int dev_open(struct sr_dev_inst *sdi) |
702 | { | |
08a49848 | 703 | struct dev_context *devc; |
f2cd2deb | 704 | int ret; |
08a49848 GS |
705 | size_t ch; |
706 | ||
707 | devc = sdi->priv; | |
f2cd2deb | 708 | |
d466f61c | 709 | ret = la2016_open_enum(sdi); |
f2cd2deb | 710 | if (ret != SR_OK) { |
91f73872 | 711 | sr_err("Cannot open device."); |
520a20e9 | 712 | return ret; |
f2cd2deb FS |
713 | } |
714 | ||
08a49848 GS |
715 | /* Send most recent PWM configuration to the device. */ |
716 | for (ch = 0; ch < ARRAY_SIZE(devc->pwm_setting); ch++) { | |
717 | ret = la2016_write_pwm_config(sdi, ch); | |
718 | if (ret != SR_OK) | |
719 | return ret; | |
6d53e949 GS |
720 | } |
721 | ||
f2cd2deb FS |
722 | return SR_OK; |
723 | } | |
724 | ||
725 | static int dev_close(struct sr_dev_inst *sdi) | |
726 | { | |
727 | struct sr_usb_dev_inst *usb; | |
728 | ||
729 | usb = sdi->conn; | |
730 | ||
731 | if (!usb->devhdl) | |
732 | return SR_ERR_BUG; | |
733 | ||
6d53e949 | 734 | la2016_deinit_hardware(sdi); |
f2cd2deb FS |
735 | |
736 | sr_info("Closing device on %d.%d (logical) / %s (physical) interface %d.", | |
737 | usb->bus, usb->address, sdi->connection_id, USB_INTERFACE); | |
d466f61c | 738 | la2016_close_usb(sdi->conn); |
f2cd2deb FS |
739 | |
740 | return SR_OK; | |
741 | } | |
742 | ||
331277e0 GS |
743 | /* Config API helper. Get type and index of a channel group. */ |
744 | static int get_cg_index(const struct sr_dev_inst *sdi, | |
745 | const struct sr_channel_group *cg, | |
746 | int *type, size_t *logic, size_t *analog) | |
747 | { | |
748 | struct dev_context *devc; | |
749 | GSList *l; | |
750 | size_t idx; | |
751 | ||
752 | /* Preset return values. */ | |
753 | if (type) | |
754 | *type = 0; | |
755 | if (logic) | |
756 | *logic = 0; | |
757 | if (analog) | |
758 | *analog = 0; | |
759 | ||
760 | /* Start categorizing the received cg. */ | |
761 | if (!sdi) | |
762 | return SR_ERR_ARG; | |
763 | devc = sdi->priv; | |
764 | if (!cg) | |
765 | return SR_OK; | |
766 | l = sdi->channel_groups; | |
767 | ||
768 | /* First sdi->channelgroups item is "Logic". */ | |
769 | if (!l) | |
770 | return SR_ERR_BUG; | |
771 | if (cg == l->data) { | |
772 | if (type) | |
773 | *type = SR_CHANNEL_LOGIC; | |
774 | if (logic) | |
775 | *logic = 0; | |
776 | return SR_OK; | |
777 | } | |
778 | l = l->next; | |
779 | ||
780 | /* Next sdi->channelgroups items are "PWMx". */ | |
781 | idx = 0; | |
782 | while (l && l->data != cg) { | |
783 | idx++; | |
784 | l = l->next; | |
785 | } | |
786 | if (l && idx < ARRAY_SIZE(devc->pwm_setting)) { | |
787 | if (type) | |
788 | *type = SR_CHANNEL_ANALOG; | |
789 | if (analog) | |
790 | *analog = idx; | |
791 | return SR_OK; | |
792 | } | |
793 | ||
794 | return SR_ERR_ARG; | |
795 | } | |
796 | ||
955ab604 GS |
797 | static int config_get(uint32_t key, GVariant **data, |
798 | const struct sr_dev_inst *sdi, const struct sr_channel_group *cg) | |
f2cd2deb FS |
799 | { |
800 | struct dev_context *devc; | |
331277e0 GS |
801 | int ret, cg_type; |
802 | size_t logic_idx, analog_idx; | |
803 | struct pwm_setting *pwm; | |
f2cd2deb | 804 | struct sr_usb_dev_inst *usb; |
9270f8f4 | 805 | double voltage, rounded; |
da2cb50d | 806 | const char *label; |
f2cd2deb | 807 | |
9270f8f4 GS |
808 | (void)rounded; |
809 | (void)voltage; | |
810 | ||
f2cd2deb FS |
811 | if (!sdi) |
812 | return SR_ERR_ARG; | |
813 | devc = sdi->priv; | |
814 | ||
331277e0 GS |
815 | /* Check for types (and index) of channel groups. */ |
816 | ret = get_cg_index(sdi, cg, &cg_type, &logic_idx, &analog_idx); | |
817 | if (cg && ret != SR_OK) | |
818 | return SR_ERR_ARG; | |
819 | ||
820 | /* Handle requests for the "Logic" channel group. */ | |
821 | if (cg && cg_type == SR_CHANNEL_LOGIC) { | |
9270f8f4 GS |
822 | switch (key) { |
823 | #if !WITH_THRESHOLD_DEVCFG | |
824 | #if WITH_THRESHOLD_SIMPLE | |
825 | case SR_CONF_VOLTAGE_THRESHOLD: | |
826 | voltage = threshold_voltage(sdi, NULL); | |
827 | *data = std_gvar_tuple_double(voltage, voltage); | |
828 | break; | |
829 | #endif /* WITH_THRESHOLD_SIMPLE */ | |
830 | #endif /* WITH_THRESHOLD_DEVCFG */ | |
831 | default: | |
832 | return SR_ERR_NA; | |
833 | } | |
834 | return SR_OK; | |
331277e0 GS |
835 | } |
836 | ||
837 | /* Handle requests for the "PWMx" channel groups. */ | |
838 | if (cg && cg_type == SR_CHANNEL_ANALOG) { | |
839 | pwm = &devc->pwm_setting[analog_idx]; | |
840 | switch (key) { | |
841 | case SR_CONF_ENABLED: | |
842 | *data = g_variant_new_boolean(pwm->enabled); | |
843 | break; | |
844 | case SR_CONF_OUTPUT_FREQUENCY: | |
845 | *data = g_variant_new_double(pwm->freq); | |
846 | break; | |
847 | case SR_CONF_DUTY_CYCLE: | |
848 | *data = g_variant_new_double(pwm->duty); | |
849 | break; | |
850 | default: | |
851 | return SR_ERR_NA; | |
852 | } | |
853 | return SR_OK; | |
854 | } | |
855 | ||
f2cd2deb FS |
856 | switch (key) { |
857 | case SR_CONF_CONN: | |
f2cd2deb | 858 | usb = sdi->conn; |
f2cd2deb FS |
859 | *data = g_variant_new_printf("%d.%d", usb->bus, usb->address); |
860 | break; | |
861 | case SR_CONF_SAMPLERATE: | |
862 | *data = g_variant_new_uint64(devc->cur_samplerate); | |
863 | break; | |
864 | case SR_CONF_LIMIT_SAMPLES: | |
a38f0f5e GS |
865 | case SR_CONF_LIMIT_MSEC: |
866 | return sr_sw_limits_config_get(&devc->sw_limits, key, data); | |
f2cd2deb FS |
867 | case SR_CONF_CAPTURE_RATIO: |
868 | *data = g_variant_new_uint64(devc->capture_ratio); | |
869 | break; | |
9270f8f4 GS |
870 | #if WITH_THRESHOLD_DEVCFG |
871 | #if WITH_THRESHOLD_SIMPLE | |
872 | case SR_CONF_VOLTAGE_THRESHOLD: | |
873 | voltage = threshold_voltage(sdi, NULL); | |
874 | *data = std_gvar_tuple_double(voltage, voltage); | |
875 | break; | |
876 | #else /* WITH_THRESHOLD_SIMPLE */ | |
f2cd2deb FS |
877 | case SR_CONF_VOLTAGE_THRESHOLD: |
878 | rounded = (int)(devc->threshold_voltage / 0.1) * 0.1; | |
879 | *data = std_gvar_tuple_double(rounded, rounded + 0.1); | |
9270f8f4 | 880 | break; |
f2cd2deb | 881 | case SR_CONF_LOGIC_THRESHOLD: |
da2cb50d GS |
882 | label = logic_threshold[devc->threshold_voltage_idx]; |
883 | *data = g_variant_new_string(label); | |
f2cd2deb FS |
884 | break; |
885 | case SR_CONF_LOGIC_THRESHOLD_CUSTOM: | |
886 | *data = g_variant_new_double(devc->threshold_voltage); | |
887 | break; | |
9270f8f4 GS |
888 | #endif /* WITH_THRESHOLD_SIMPLE */ |
889 | #endif /* WITH_THRESHOLD_DEVCFG */ | |
f2cd2deb FS |
890 | default: |
891 | return SR_ERR_NA; | |
892 | } | |
893 | ||
894 | return SR_OK; | |
895 | } | |
896 | ||
955ab604 GS |
897 | static int config_set(uint32_t key, GVariant *data, |
898 | const struct sr_dev_inst *sdi, const struct sr_channel_group *cg) | |
f2cd2deb FS |
899 | { |
900 | struct dev_context *devc; | |
331277e0 GS |
901 | int ret, cg_type; |
902 | size_t logic_idx, analog_idx; | |
903 | struct pwm_setting *pwm; | |
c35baf6e | 904 | double value_f; |
9270f8f4 | 905 | double low, high, voltage; |
f2cd2deb FS |
906 | int idx; |
907 | ||
f2cd2deb FS |
908 | devc = sdi->priv; |
909 | ||
331277e0 GS |
910 | /* Check for types (and index) of channel groups. */ |
911 | ret = get_cg_index(sdi, cg, &cg_type, &logic_idx, &analog_idx); | |
912 | if (cg && ret != SR_OK) | |
913 | return SR_ERR_ARG; | |
914 | ||
915 | /* Handle requests for the "Logic" channel group. */ | |
916 | if (cg && cg_type == SR_CHANNEL_LOGIC) { | |
9270f8f4 GS |
917 | switch (key) { |
918 | #if !WITH_THRESHOLD_DEVCFG | |
919 | #if WITH_THRESHOLD_SIMPLE | |
920 | case SR_CONF_LOGIC_THRESHOLD: | |
921 | idx = std_double_tuple_idx(data, | |
922 | ARRAY_AND_SIZE(threshold_ranges)); | |
923 | if (idx < 0) | |
924 | return SR_ERR_ARG; | |
925 | devc->threshold_voltage_idx = idx; | |
926 | break; | |
927 | #endif /* WITH_THRESHOLD_SIMPLE */ | |
928 | #endif /* WITH_THRESHOLD_DEVCFG */ | |
929 | default: | |
930 | return SR_ERR_NA; | |
931 | } | |
932 | return SR_OK; | |
331277e0 GS |
933 | } |
934 | ||
935 | /* Handle requests for the "PWMx" channel groups. */ | |
936 | if (cg && cg_type == SR_CHANNEL_ANALOG) { | |
937 | pwm = &devc->pwm_setting[analog_idx]; | |
938 | switch (key) { | |
939 | case SR_CONF_ENABLED: | |
940 | pwm->enabled = g_variant_get_boolean(data); | |
941 | ret = la2016_write_pwm_config(sdi, analog_idx); | |
942 | if (ret != SR_OK) | |
943 | return ret; | |
944 | break; | |
945 | case SR_CONF_OUTPUT_FREQUENCY: | |
c35baf6e GS |
946 | value_f = g_variant_get_double(data); |
947 | if (value_f <= 0.0 || value_f > MAX_PWM_FREQ) | |
948 | return SR_ERR_ARG; | |
949 | pwm->freq = value_f; | |
331277e0 GS |
950 | ret = la2016_write_pwm_config(sdi, analog_idx); |
951 | if (ret != SR_OK) | |
952 | return ret; | |
953 | break; | |
954 | case SR_CONF_DUTY_CYCLE: | |
c35baf6e GS |
955 | value_f = g_variant_get_double(data); |
956 | if (value_f <= 0.0 || value_f > 100.0) | |
957 | return SR_ERR_ARG; | |
958 | pwm->duty = value_f; | |
331277e0 GS |
959 | ret = la2016_write_pwm_config(sdi, analog_idx); |
960 | if (ret != SR_OK) | |
961 | return ret; | |
962 | break; | |
963 | default: | |
964 | return SR_ERR_NA; | |
965 | } | |
966 | return SR_OK; | |
967 | } | |
968 | ||
f2cd2deb FS |
969 | switch (key) { |
970 | case SR_CONF_SAMPLERATE: | |
971 | devc->cur_samplerate = g_variant_get_uint64(data); | |
972 | break; | |
973 | case SR_CONF_LIMIT_SAMPLES: | |
a38f0f5e GS |
974 | case SR_CONF_LIMIT_MSEC: |
975 | return sr_sw_limits_config_set(&devc->sw_limits, key, data); | |
f2cd2deb FS |
976 | case SR_CONF_CAPTURE_RATIO: |
977 | devc->capture_ratio = g_variant_get_uint64(data); | |
978 | break; | |
9270f8f4 GS |
979 | #if WITH_THRESHOLD_DEVCFG |
980 | #if WITH_THRESHOLD_SIMPLE | |
981 | case SR_CONF_VOLTAGE_THRESHOLD: | |
982 | idx = std_double_tuple_idx(data, | |
983 | ARRAY_AND_SIZE(threshold_ranges)); | |
984 | if (idx < 0) | |
985 | return SR_ERR_ARG; | |
986 | devc->threshold_voltage_idx = idx; | |
987 | break; | |
988 | #else /* WITH_THRESHOLD_SIMPLE */ | |
f2cd2deb FS |
989 | case SR_CONF_VOLTAGE_THRESHOLD: |
990 | g_variant_get(data, "(dd)", &low, &high); | |
991 | devc->threshold_voltage = (low + high) / 2.0; | |
da2cb50d | 992 | devc->threshold_voltage_idx = LOGIC_THRESHOLD_IDX_USER; |
f2cd2deb FS |
993 | break; |
994 | case SR_CONF_LOGIC_THRESHOLD: { | |
411ad77c GS |
995 | idx = std_str_idx(data, ARRAY_AND_SIZE(logic_threshold)); |
996 | if (idx < 0) | |
f2cd2deb | 997 | return SR_ERR_ARG; |
da2cb50d | 998 | if (idx != LOGIC_THRESHOLD_IDX_USER) { |
f2cd2deb FS |
999 | devc->threshold_voltage = logic_threshold_value[idx]; |
1000 | } | |
1001 | devc->threshold_voltage_idx = idx; | |
1002 | break; | |
1003 | } | |
1004 | case SR_CONF_LOGIC_THRESHOLD_CUSTOM: | |
1005 | devc->threshold_voltage = g_variant_get_double(data); | |
1006 | break; | |
9270f8f4 GS |
1007 | #endif /* WITH_THRESHOLD_SIMPLE */ |
1008 | #endif /* WITH_THRESHOLD_DEVCFG */ | |
f2cd2deb FS |
1009 | default: |
1010 | return SR_ERR_NA; | |
1011 | } | |
1012 | ||
1013 | return SR_OK; | |
1014 | } | |
1015 | ||
955ab604 GS |
1016 | static int config_list(uint32_t key, GVariant **data, |
1017 | const struct sr_dev_inst *sdi, const struct sr_channel_group *cg) | |
f2cd2deb | 1018 | { |
8b172e78 | 1019 | struct dev_context *devc; |
331277e0 GS |
1020 | int ret, cg_type; |
1021 | size_t logic_idx, analog_idx; | |
8b172e78 | 1022 | |
a38f0f5e GS |
1023 | devc = sdi ? sdi->priv : NULL; |
1024 | ||
331277e0 GS |
1025 | /* Check for types (and index) of channel groups. */ |
1026 | ret = get_cg_index(sdi, cg, &cg_type, &logic_idx, &analog_idx); | |
1027 | if (cg && ret != SR_OK) | |
1028 | return SR_ERR_ARG; | |
1029 | ||
1030 | /* Handle requests for the "Logic" channel group. */ | |
1031 | if (cg && cg_type == SR_CHANNEL_LOGIC) { | |
9270f8f4 GS |
1032 | switch (key) { |
1033 | case SR_CONF_DEVICE_OPTIONS: | |
1034 | if (ARRAY_SIZE(devopts_cg_logic) == 0) | |
1035 | return SR_ERR_NA; | |
1036 | *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32, | |
1037 | devopts_cg_logic, ARRAY_SIZE(devopts_cg_logic), | |
1038 | sizeof(devopts_cg_logic[0])); | |
1039 | break; | |
1040 | #if !WITH_THRESHOLD_DEVCFG | |
1041 | #if WITH_THRESHOLD_SIMPLE | |
1042 | case SR_CONF_VOLTAGE_THRESHOLD: | |
1043 | *data = std_gvar_thresholds(ARRAY_AND_SIZE(threshold_ranges)); | |
1044 | break; | |
1045 | #endif /* WITH_THRESHOLD_SIMPLE */ | |
1046 | #endif /* WITH_THRESHOLD_DEVCFG */ | |
1047 | default: | |
1048 | return SR_ERR_NA; | |
1049 | } | |
1050 | return SR_OK; | |
331277e0 GS |
1051 | } |
1052 | ||
1053 | /* Handle requests for the "PWMx" channel groups. */ | |
1054 | if (cg && cg_type == SR_CHANNEL_ANALOG) { | |
1055 | switch (key) { | |
1056 | case SR_CONF_DEVICE_OPTIONS: | |
1057 | *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32, | |
1058 | devopts_cg_pwm, ARRAY_SIZE(devopts_cg_pwm), | |
1059 | sizeof(devopts_cg_pwm[0])); | |
1060 | break; | |
1061 | default: | |
1062 | return SR_ERR_NA; | |
1063 | } | |
1064 | return SR_OK; | |
1065 | } | |
1066 | ||
f2cd2deb FS |
1067 | switch (key) { |
1068 | case SR_CONF_SCAN_OPTIONS: | |
1069 | case SR_CONF_DEVICE_OPTIONS: | |
411ad77c GS |
1070 | return STD_CONFIG_LIST(key, data, sdi, cg, |
1071 | scanopts, drvopts, devopts); | |
f2cd2deb | 1072 | case SR_CONF_SAMPLERATE: |
fb28e72d MW |
1073 | if (!sdi) |
1074 | return SR_ERR_ARG; | |
d466f61c | 1075 | if (devc->model->samplerate == SR_MHZ(500)) |
330853ba | 1076 | *data = std_gvar_samplerates(ARRAY_AND_SIZE(rates_500mhz)); |
d466f61c | 1077 | else if (devc->model->samplerate == SR_MHZ(200)) |
330853ba GS |
1078 | *data = std_gvar_samplerates(ARRAY_AND_SIZE(rates_200mhz)); |
1079 | else | |
1080 | *data = std_gvar_samplerates(ARRAY_AND_SIZE(rates_100mhz)); | |
f2cd2deb FS |
1081 | break; |
1082 | case SR_CONF_LIMIT_SAMPLES: | |
d8fbfcd9 | 1083 | *data = std_gvar_tuple_u64(0, LA2016_NUM_SAMPLES_MAX); |
f2cd2deb | 1084 | break; |
9270f8f4 GS |
1085 | #if WITH_THRESHOLD_DEVCFG |
1086 | #if WITH_THRESHOLD_SIMPLE | |
1087 | case SR_CONF_VOLTAGE_THRESHOLD: | |
1088 | *data = std_gvar_thresholds(ARRAY_AND_SIZE(threshold_ranges)); | |
1089 | break; | |
1090 | #else /* WITH_THRESHOLD_SIMPLE */ | |
f2cd2deb FS |
1091 | case SR_CONF_VOLTAGE_THRESHOLD: |
1092 | *data = std_gvar_min_max_step_thresholds( | |
1093 | LA2016_THR_VOLTAGE_MIN, | |
1094 | LA2016_THR_VOLTAGE_MAX, 0.1); | |
1095 | break; | |
9270f8f4 GS |
1096 | #endif /* WITH_THRESHOLD_SIMPLE */ |
1097 | #endif /* WITH_THRESHOLD_DEVCFG */ | |
f2cd2deb FS |
1098 | case SR_CONF_TRIGGER_MATCH: |
1099 | *data = std_gvar_array_i32(ARRAY_AND_SIZE(trigger_matches)); | |
1100 | break; | |
9270f8f4 | 1101 | #if WITH_THRESHOLD_DEVCFG && !WITH_THRESHOLD_SIMPLE |
f2cd2deb | 1102 | case SR_CONF_LOGIC_THRESHOLD: |
da2cb50d | 1103 | *data = g_variant_new_strv(ARRAY_AND_SIZE(logic_threshold)); |
f2cd2deb | 1104 | break; |
9270f8f4 | 1105 | #endif |
f2cd2deb FS |
1106 | default: |
1107 | return SR_ERR_NA; | |
1108 | } | |
1109 | ||
1110 | return SR_OK; | |
1111 | } | |
1112 | ||
f2cd2deb FS |
1113 | static int dev_acquisition_start(const struct sr_dev_inst *sdi) |
1114 | { | |
1115 | struct sr_dev_driver *di; | |
1116 | struct drv_context *drvc; | |
520a20e9 | 1117 | struct sr_context *ctx; |
f2cd2deb | 1118 | struct dev_context *devc; |
9270f8f4 | 1119 | double voltage; |
f2cd2deb FS |
1120 | int ret; |
1121 | ||
1122 | di = sdi->driver; | |
1123 | drvc = di->context; | |
520a20e9 | 1124 | ctx = drvc->sr_ctx;; |
f2cd2deb FS |
1125 | devc = sdi->priv; |
1126 | ||
a38f0f5e GS |
1127 | if (!devc->feed_queue) { |
1128 | devc->feed_queue = feed_queue_logic_alloc(sdi, | |
1129 | LA2016_CONVBUFFER_SIZE, sizeof(uint16_t)); | |
1130 | if (!devc->feed_queue) { | |
1131 | sr_err("Cannot allocate buffer for session feed."); | |
1132 | return SR_ERR_MALLOC; | |
1133 | } | |
f2cd2deb FS |
1134 | } |
1135 | ||
a38f0f5e GS |
1136 | sr_sw_limits_acquisition_start(&devc->sw_limits); |
1137 | ||
9270f8f4 GS |
1138 | voltage = threshold_voltage(sdi, NULL); |
1139 | ret = la2016_setup_acquisition(sdi, voltage); | |
411ad77c | 1140 | if (ret != SR_OK) { |
a38f0f5e GS |
1141 | feed_queue_logic_free(devc->feed_queue); |
1142 | devc->feed_queue = NULL; | |
f2cd2deb FS |
1143 | return ret; |
1144 | } | |
1145 | ||
411ad77c GS |
1146 | ret = la2016_start_acquisition(sdi); |
1147 | if (ret != SR_OK) { | |
3ebc1cb2 | 1148 | la2016_abort_acquisition(sdi); |
a38f0f5e GS |
1149 | feed_queue_logic_free(devc->feed_queue); |
1150 | devc->feed_queue = NULL; | |
f2cd2deb FS |
1151 | return ret; |
1152 | } | |
1153 | ||
cf057ac4 | 1154 | devc->completion_seen = FALSE; |
520a20e9 | 1155 | usb_source_add(sdi->session, ctx, 50, |
388438e4 | 1156 | la2016_receive_data, (void *)sdi); |
f2cd2deb FS |
1157 | |
1158 | std_session_send_df_header(sdi); | |
1159 | ||
1160 | return SR_OK; | |
1161 | } | |
1162 | ||
1163 | static int dev_acquisition_stop(struct sr_dev_inst *sdi) | |
1164 | { | |
1165 | int ret; | |
1166 | ||
1167 | ret = la2016_abort_acquisition(sdi); | |
f2cd2deb FS |
1168 | |
1169 | return ret; | |
1170 | } | |
1171 | ||
1172 | static struct sr_dev_driver kingst_la2016_driver_info = { | |
1173 | .name = "kingst-la2016", | |
1174 | .longname = "Kingst LA2016", | |
1175 | .api_version = 1, | |
1176 | .init = std_init, | |
1177 | .cleanup = std_cleanup, | |
1178 | .scan = scan, | |
1179 | .dev_list = std_dev_list, | |
1180 | .dev_clear = std_dev_clear, | |
1181 | .config_get = config_get, | |
1182 | .config_set = config_set, | |
1183 | .config_list = config_list, | |
1184 | .dev_open = dev_open, | |
1185 | .dev_close = dev_close, | |
1186 | .dev_acquisition_start = dev_acquisition_start, | |
1187 | .dev_acquisition_stop = dev_acquisition_stop, | |
1188 | .context = NULL, | |
1189 | }; | |
1190 | SR_REGISTER_DEV_DRIVER(kingst_la2016_driver_info); |