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16e76bae MS |
1 | /* |
2 | * This file is part of the libsigrok project. | |
3 | * | |
4 | * Copyright (C) 2013 Marc Schink <sigrok-dev@marcschink.de> | |
5 | * | |
6 | * This program is free software: you can redistribute it and/or modify | |
7 | * it under the terms of the GNU General Public License as published by | |
8 | * the Free Software Foundation, either version 3 of the License, or | |
9 | * (at your option) any later version. | |
10 | * | |
11 | * This program is distributed in the hope that it will be useful, | |
12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
14 | * GNU General Public License for more details. | |
15 | * | |
16 | * You should have received a copy of the GNU General Public License | |
17 | * along with this program. If not, see <http://www.gnu.org/licenses/>. | |
18 | */ | |
19 | ||
6ec6c43b | 20 | #include <config.h> |
16e76bae MS |
21 | #include "protocol.h" |
22 | ||
f254bc4b | 23 | static const uint32_t devopts[] = { |
e52e712d | 24 | SR_CONF_LOGIC_ANALYZER, |
5827f61b BV |
25 | SR_CONF_LIMIT_SAMPLES | SR_CONF_SET | SR_CONF_LIST, |
26 | SR_CONF_SAMPLERATE | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST, | |
27 | SR_CONF_TRIGGER_MATCH | SR_CONF_LIST, | |
28 | SR_CONF_CAPTURE_RATIO | SR_CONF_GET | SR_CONF_SET, | |
e52e712d MS |
29 | }; |
30 | ||
02d5c0d8 BV |
31 | static const int32_t trigger_matches[] = { |
32 | SR_TRIGGER_RISING, | |
33 | SR_TRIGGER_FALLING, | |
34 | SR_TRIGGER_EDGE, | |
35 | }; | |
36 | ||
79914b3a | 37 | SR_PRIV const uint64_t sl2_samplerates[NUM_SAMPLERATES] = { |
e52e712d MS |
38 | SR_KHZ(1.25), |
39 | SR_KHZ(10), | |
40 | SR_KHZ(50), | |
41 | SR_KHZ(100), | |
42 | SR_KHZ(250), | |
43 | SR_KHZ(500), | |
44 | SR_MHZ(1), | |
45 | SR_MHZ(2.5), | |
46 | SR_MHZ(5), | |
47 | SR_MHZ(10), | |
c824eb63 | 48 | SR_MHZ(20), |
e52e712d MS |
49 | }; |
50 | ||
53cda65a | 51 | static const char *channel_names[] = { |
e52e712d | 52 | "0", "1", "2", "3", |
e52e712d MS |
53 | }; |
54 | ||
4f840ce9 | 55 | static GSList *scan(struct sr_dev_driver *di, GSList *options) |
16e76bae | 56 | { |
e52e712d | 57 | GSList *usb_devices, *devices, *l; |
16e76bae | 58 | struct drv_context *drvc; |
e52e712d | 59 | struct sr_dev_inst *sdi; |
e52e712d MS |
60 | struct dev_context *devc; |
61 | struct sr_usb_dev_inst *usb; | |
62 | struct device_info dev_info; | |
dcd438ee UH |
63 | unsigned int i; |
64 | int ret; | |
16e76bae MS |
65 | |
66 | (void)options; | |
67 | ||
68 | devices = NULL; | |
41812aca | 69 | drvc = di->context; |
e52e712d MS |
70 | |
71 | usb_devices = sr_usb_find(drvc->sr_ctx->libusb_ctx, USB_VID_PID); | |
72 | ||
98fec29e | 73 | if (!usb_devices) |
e52e712d MS |
74 | return NULL; |
75 | ||
c824eb63 | 76 | for (l = usb_devices; l; l = l->next) { |
e52e712d MS |
77 | usb = l->data; |
78 | ||
e32862eb | 79 | if ((ret = sl2_get_device_info(di, *usb, &dev_info)) < 0) { |
79914b3a | 80 | sr_warn("Failed to get device information: %d.", ret); |
e52e712d MS |
81 | sr_usb_dev_inst_free(usb); |
82 | continue; | |
83 | } | |
84 | ||
f57d8ffe | 85 | devc = g_malloc0(sizeof(struct dev_context)); |
e52e712d MS |
86 | |
87 | if (!(devc->xfer_in = libusb_alloc_transfer(0))) { | |
88 | sr_err("Transfer malloc failed."); | |
89 | sr_usb_dev_inst_free(usb); | |
90 | g_free(devc); | |
91 | continue; | |
92 | } | |
93 | ||
94 | if (!(devc->xfer_out = libusb_alloc_transfer(0))) { | |
95 | sr_err("Transfer malloc failed."); | |
96 | sr_usb_dev_inst_free(usb); | |
97 | libusb_free_transfer(devc->xfer_in); | |
98 | g_free(devc); | |
99 | continue; | |
100 | } | |
101 | ||
aac29cc1 | 102 | sdi = g_malloc0(sizeof(struct sr_dev_inst)); |
0af636be UH |
103 | sdi->status = SR_ST_INACTIVE; |
104 | sdi->vendor = g_strdup(VENDOR_NAME); | |
105 | sdi->model = g_strdup(MODEL_NAME); | |
106 | sdi->version = g_strdup_printf("%u.%u", dev_info.fw_ver_major, dev_info.fw_ver_minor); | |
107 | sdi->serial_num = g_strdup_printf("%d", dev_info.serial); | |
e52e712d MS |
108 | sdi->priv = devc; |
109 | sdi->driver = di; | |
110 | sdi->inst_type = SR_INST_USB; | |
111 | sdi->conn = usb; | |
112 | ||
0f34cb47 UH |
113 | for (i = 0; i < ARRAY_SIZE(channel_names); i++) |
114 | devc->channels[i] = sr_channel_new(sdi, i, | |
115 | SR_CHANNEL_LOGIC, TRUE, channel_names[i]); | |
e52e712d MS |
116 | |
117 | devc->state = STATE_IDLE; | |
118 | devc->next_state = STATE_IDLE; | |
119 | ||
120 | /* Set default samplerate. */ | |
79914b3a | 121 | sl2_set_samplerate(sdi, DEFAULT_SAMPLERATE); |
e52e712d MS |
122 | |
123 | /* Set default capture ratio. */ | |
124 | devc->capture_ratio = 0; | |
125 | ||
126 | /* Set default after trigger delay. */ | |
127 | devc->after_trigger_delay = 0; | |
128 | ||
129 | memset(devc->xfer_buf_in, 0, LIBUSB_CONTROL_SETUP_SIZE + | |
130 | PACKET_LENGTH); | |
131 | memset(devc->xfer_buf_out, 0, LIBUSB_CONTROL_SETUP_SIZE + | |
132 | PACKET_LENGTH); | |
133 | ||
134 | libusb_fill_control_setup(devc->xfer_buf_in, | |
fb8d593c | 135 | USB_REQUEST_TYPE_IN, USB_HID_GET_REPORT, |
e52e712d MS |
136 | USB_HID_REPORT_TYPE_FEATURE, USB_INTERFACE, |
137 | PACKET_LENGTH); | |
138 | libusb_fill_control_setup(devc->xfer_buf_out, | |
139 | USB_REQUEST_TYPE_OUT, USB_HID_SET_REPORT, | |
140 | USB_HID_REPORT_TYPE_FEATURE, USB_INTERFACE, | |
141 | PACKET_LENGTH); | |
142 | ||
143 | devc->xfer_data_in = devc->xfer_buf_in + | |
144 | LIBUSB_CONTROL_SETUP_SIZE; | |
145 | devc->xfer_data_out = devc->xfer_buf_out + | |
146 | LIBUSB_CONTROL_SETUP_SIZE; | |
147 | ||
148 | drvc->instances = g_slist_append(drvc->instances, sdi); | |
149 | devices = g_slist_append(devices, sdi); | |
e52e712d | 150 | } |
16e76bae | 151 | |
e52e712d | 152 | g_slist_free(usb_devices); |
16e76bae MS |
153 | |
154 | return devices; | |
155 | } | |
156 | ||
e52e712d MS |
157 | static void clear_dev_context(void *priv) |
158 | { | |
c824eb63 UH |
159 | struct dev_context *devc; |
160 | ||
161 | devc = priv; | |
e52e712d | 162 | |
c824eb63 | 163 | sr_dbg("Device context cleared."); |
e52e712d MS |
164 | |
165 | libusb_free_transfer(devc->xfer_in); | |
166 | libusb_free_transfer(devc->xfer_out); | |
167 | g_free(devc); | |
168 | } | |
169 | ||
4f840ce9 | 170 | static int dev_clear(const struct sr_dev_driver *di) |
16e76bae | 171 | { |
e52e712d | 172 | return std_dev_clear(di, &clear_dev_context); |
16e76bae MS |
173 | } |
174 | ||
175 | static int dev_open(struct sr_dev_inst *sdi) | |
176 | { | |
4f840ce9 | 177 | struct sr_dev_driver *di = sdi->driver; |
efa98402 | 178 | struct drv_context *drvc = di->context; |
e52e712d MS |
179 | struct dev_context *devc; |
180 | struct sr_usb_dev_inst *usb; | |
181 | uint8_t buffer[PACKET_LENGTH]; | |
182 | int ret; | |
183 | ||
e52e712d MS |
184 | usb = sdi->conn; |
185 | devc = sdi->priv; | |
16e76bae | 186 | |
e52e712d MS |
187 | if (sr_usb_open(drvc->sr_ctx->libusb_ctx, usb) != SR_OK) |
188 | return SR_ERR; | |
189 | ||
190 | /* | |
191 | * Determine if a kernel driver is active on this interface and, if so, | |
192 | * detach it. | |
193 | */ | |
194 | if (libusb_kernel_driver_active(usb->devhdl, USB_INTERFACE) == 1) { | |
195 | ret = libusb_detach_kernel_driver(usb->devhdl, USB_INTERFACE); | |
e52e712d | 196 | if (ret < 0) { |
9526f2d4 | 197 | sr_err("Failed to detach kernel driver: %s.", |
e52e712d MS |
198 | libusb_error_name(ret)); |
199 | return SR_ERR; | |
200 | } | |
201 | } | |
202 | ||
79914b3a | 203 | if ((ret = libusb_claim_interface(usb->devhdl, USB_INTERFACE)) < 0) { |
e52e712d MS |
204 | sr_err("Failed to claim interface: %s.", |
205 | libusb_error_name(ret)); | |
206 | return SR_ERR; | |
207 | } | |
208 | ||
209 | libusb_fill_control_transfer(devc->xfer_in, usb->devhdl, | |
79914b3a | 210 | devc->xfer_buf_in, sl2_receive_transfer_in, |
1a46cc62 | 211 | sdi, USB_TIMEOUT_MS); |
e52e712d MS |
212 | |
213 | libusb_fill_control_transfer(devc->xfer_out, usb->devhdl, | |
79914b3a | 214 | devc->xfer_buf_out, sl2_receive_transfer_out, |
1a46cc62 | 215 | sdi, USB_TIMEOUT_MS); |
e52e712d MS |
216 | |
217 | memset(buffer, 0, sizeof(buffer)); | |
218 | ||
219 | buffer[0] = CMD_RESET; | |
79914b3a | 220 | if ((ret = sl2_transfer_out(usb->devhdl, buffer)) != PACKET_LENGTH) { |
e52e712d MS |
221 | sr_err("Device reset failed: %s.", libusb_error_name(ret)); |
222 | return SR_ERR; | |
223 | } | |
224 | ||
225 | /* | |
226 | * Set the device to idle state. If the device is not in idle state it | |
c824eb63 UH |
227 | * possibly will reset itself after a few seconds without being used |
228 | * and thereby close the connection. | |
e52e712d MS |
229 | */ |
230 | buffer[0] = CMD_IDLE; | |
79914b3a | 231 | if ((ret = sl2_transfer_out(usb->devhdl, buffer)) != PACKET_LENGTH) { |
e52e712d MS |
232 | sr_err("Failed to set device in idle state: %s.", |
233 | libusb_error_name(ret)); | |
234 | return SR_ERR; | |
235 | } | |
16e76bae MS |
236 | |
237 | sdi->status = SR_ST_ACTIVE; | |
238 | ||
239 | return SR_OK; | |
240 | } | |
241 | ||
242 | static int dev_close(struct sr_dev_inst *sdi) | |
243 | { | |
e52e712d MS |
244 | struct sr_usb_dev_inst *usb; |
245 | ||
e52e712d MS |
246 | usb = sdi->conn; |
247 | ||
248 | if (!usb->devhdl) | |
249 | return SR_OK; | |
16e76bae | 250 | |
e52e712d MS |
251 | libusb_release_interface(usb->devhdl, USB_INTERFACE); |
252 | libusb_close(usb->devhdl); | |
16e76bae | 253 | |
e52e712d | 254 | usb->devhdl = NULL; |
16e76bae MS |
255 | sdi->status = SR_ST_INACTIVE; |
256 | ||
257 | return SR_OK; | |
258 | } | |
259 | ||
584560f1 | 260 | static int config_get(uint32_t key, GVariant **data, const struct sr_dev_inst *sdi, |
53b4680f | 261 | const struct sr_channel_group *cg) |
16e76bae | 262 | { |
e52e712d | 263 | struct dev_context *devc; |
16e76bae MS |
264 | int ret; |
265 | ||
53b4680f | 266 | (void)cg; |
d3c74a6f | 267 | |
16e76bae | 268 | ret = SR_OK; |
e52e712d MS |
269 | devc = sdi->priv; |
270 | ||
16e76bae | 271 | switch (key) { |
e52e712d MS |
272 | case SR_CONF_SAMPLERATE: |
273 | *data = g_variant_new_uint64(devc->samplerate); | |
274 | break; | |
275 | case SR_CONF_CAPTURE_RATIO: | |
276 | *data = g_variant_new_uint64(devc->capture_ratio); | |
277 | break; | |
16e76bae MS |
278 | default: |
279 | return SR_ERR_NA; | |
280 | } | |
281 | ||
282 | return ret; | |
283 | } | |
284 | ||
584560f1 | 285 | static int config_set(uint32_t key, GVariant *data, const struct sr_dev_inst *sdi, |
53b4680f | 286 | const struct sr_channel_group *cg) |
16e76bae | 287 | { |
e52e712d | 288 | uint64_t samplerate, limit_samples, capture_ratio; |
16e76bae MS |
289 | int ret; |
290 | ||
53b4680f | 291 | (void)cg; |
d3c74a6f | 292 | |
16e76bae MS |
293 | if (sdi->status != SR_ST_ACTIVE) |
294 | return SR_ERR_DEV_CLOSED; | |
295 | ||
16e76bae | 296 | switch (key) { |
e52e712d MS |
297 | case SR_CONF_LIMIT_SAMPLES: |
298 | limit_samples = g_variant_get_uint64(data); | |
79914b3a | 299 | ret = sl2_set_limit_samples(sdi, limit_samples); |
e52e712d MS |
300 | break; |
301 | case SR_CONF_SAMPLERATE: | |
302 | samplerate = g_variant_get_uint64(data); | |
79914b3a | 303 | ret = sl2_set_samplerate(sdi, samplerate); |
e52e712d MS |
304 | break; |
305 | case SR_CONF_CAPTURE_RATIO: | |
306 | capture_ratio = g_variant_get_uint64(data); | |
79914b3a | 307 | ret = sl2_set_capture_ratio(sdi, capture_ratio); |
e52e712d | 308 | break; |
16e76bae | 309 | default: |
e52e712d | 310 | return SR_ERR_NA; |
16e76bae MS |
311 | } |
312 | ||
313 | return ret; | |
314 | } | |
315 | ||
584560f1 | 316 | static int config_list(uint32_t key, GVariant **data, const struct sr_dev_inst *sdi, |
53b4680f | 317 | const struct sr_channel_group *cg) |
16e76bae | 318 | { |
f0de2dd0 | 319 | GVariant *gvar, *grange[2]; |
e52e712d | 320 | GVariantBuilder gvb; |
16e76bae MS |
321 | int ret; |
322 | ||
323 | (void)sdi; | |
53b4680f | 324 | (void)cg; |
16e76bae MS |
325 | |
326 | ret = SR_OK; | |
327 | switch (key) { | |
e52e712d | 328 | case SR_CONF_DEVICE_OPTIONS: |
584560f1 | 329 | *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32, |
f254bc4b | 330 | devopts, ARRAY_SIZE(devopts), sizeof(uint32_t)); |
e52e712d MS |
331 | break; |
332 | case SR_CONF_SAMPLERATE: | |
333 | g_variant_builder_init(&gvb, G_VARIANT_TYPE("a{sv}")); | |
334 | gvar = g_variant_new_fixed_array(G_VARIANT_TYPE("t"), | |
79914b3a | 335 | sl2_samplerates, ARRAY_SIZE(sl2_samplerates), |
e52e712d MS |
336 | sizeof(uint64_t)); |
337 | g_variant_builder_add(&gvb, "{sv}", "samplerates", gvar); | |
338 | *data = g_variant_builder_end(&gvb); | |
339 | break; | |
02d5c0d8 BV |
340 | case SR_CONF_TRIGGER_MATCH: |
341 | *data = g_variant_new_fixed_array(G_VARIANT_TYPE_INT32, | |
342 | trigger_matches, ARRAY_SIZE(trigger_matches), | |
343 | sizeof(int32_t)); | |
e52e712d | 344 | break; |
f0de2dd0 BV |
345 | case SR_CONF_LIMIT_SAMPLES: |
346 | grange[0] = g_variant_new_uint64(0); | |
347 | grange[1] = g_variant_new_uint64(MAX_SAMPLES); | |
348 | *data = g_variant_new_tuple(grange, 2); | |
349 | break; | |
16e76bae MS |
350 | default: |
351 | return SR_ERR_NA; | |
352 | } | |
353 | ||
354 | return ret; | |
355 | } | |
356 | ||
695dc859 | 357 | static int dev_acquisition_start(const struct sr_dev_inst *sdi) |
16e76bae | 358 | { |
4f840ce9 | 359 | struct sr_dev_driver *di = sdi->driver; |
e52e712d MS |
360 | struct drv_context *drvc; |
361 | struct dev_context *devc; | |
362 | uint16_t trigger_bytes, tmp; | |
363 | unsigned int i, j; | |
364 | int ret; | |
16e76bae MS |
365 | |
366 | if (sdi->status != SR_ST_ACTIVE) | |
367 | return SR_ERR_DEV_CLOSED; | |
368 | ||
e52e712d | 369 | devc = sdi->priv; |
41812aca | 370 | drvc = di->context; |
e52e712d | 371 | |
e52e712d MS |
372 | devc->wait_data_ready_locked = TRUE; |
373 | devc->stopping_in_progress = FALSE; | |
374 | devc->transfer_error = FALSE; | |
375 | devc->samples_processed = 0; | |
376 | devc->channel = 0; | |
377 | devc->sample_packet = 0; | |
378 | ||
379 | /* | |
380 | * The trigger must be configured first because the calculation of the | |
381 | * pre and post trigger samples depends on a configured trigger. | |
382 | */ | |
02d5c0d8 | 383 | sl2_convert_trigger(sdi); |
79914b3a | 384 | sl2_calculate_trigger_samples(sdi); |
e52e712d MS |
385 | |
386 | trigger_bytes = devc->pre_trigger_bytes + devc->post_trigger_bytes; | |
387 | ||
388 | /* Calculate the number of expected sample packets. */ | |
389 | devc->num_sample_packets = trigger_bytes / PACKET_NUM_SAMPLE_BYTES; | |
390 | ||
391 | /* Round up the number of expected sample packets. */ | |
392 | if (trigger_bytes % PACKET_NUM_SAMPLE_BYTES != 0) | |
393 | devc->num_sample_packets++; | |
394 | ||
ba7dd8bb | 395 | devc->num_enabled_channels = 0; |
e52e712d MS |
396 | |
397 | /* | |
ba7dd8bb | 398 | * Count the number of enabled channels and number them for a sequential |
e52e712d MS |
399 | * access. |
400 | */ | |
3f239f08 | 401 | for (i = 0, j = 0; i < NUM_CHANNELS; i++) { |
ba7dd8bb UH |
402 | if (devc->channels[i]->enabled) { |
403 | devc->num_enabled_channels++; | |
404 | devc->channel_map[j] = i; | |
e52e712d MS |
405 | j++; |
406 | } | |
407 | } | |
408 | ||
ba7dd8bb | 409 | sr_dbg("Number of enabled channels: %i.", devc->num_enabled_channels); |
e52e712d MS |
410 | |
411 | /* Set up the transfer buffer for the acquisition. */ | |
412 | devc->xfer_data_out[0] = CMD_SAMPLE; | |
413 | devc->xfer_data_out[1] = 0x00; | |
414 | ||
415 | tmp = GUINT16_TO_LE(devc->pre_trigger_bytes); | |
416 | memcpy(devc->xfer_data_out + 2, &tmp, sizeof(tmp)); | |
417 | ||
418 | tmp = GUINT16_TO_LE(devc->post_trigger_bytes); | |
419 | memcpy(devc->xfer_data_out + 4, &tmp, sizeof(tmp)); | |
420 | ||
421 | devc->xfer_data_out[6] = devc->samplerate_id; | |
422 | devc->xfer_data_out[7] = devc->trigger_type; | |
423 | devc->xfer_data_out[8] = devc->trigger_channel; | |
424 | devc->xfer_data_out[9] = 0x00; | |
425 | ||
426 | tmp = GUINT16_TO_LE(devc->after_trigger_delay); | |
427 | memcpy(devc->xfer_data_out + 10, &tmp, sizeof(tmp)); | |
428 | ||
e52e712d | 429 | if ((ret = libusb_submit_transfer(devc->xfer_out)) != 0) { |
c824eb63 | 430 | sr_err("Submit transfer failed: %s.", libusb_error_name(ret)); |
e52e712d MS |
431 | return SR_ERR; |
432 | } | |
433 | ||
102f1239 BV |
434 | usb_source_add(sdi->session, drvc->sr_ctx, 100, |
435 | ikalogic_scanalogic2_receive_data, (void *)sdi); | |
e52e712d MS |
436 | |
437 | sr_dbg("Acquisition started successfully."); | |
438 | ||
695dc859 | 439 | std_session_send_df_header(sdi, LOG_PREFIX); |
e52e712d MS |
440 | |
441 | devc->next_state = STATE_SAMPLE; | |
16e76bae MS |
442 | |
443 | return SR_OK; | |
444 | } | |
445 | ||
695dc859 | 446 | static int dev_acquisition_stop(struct sr_dev_inst *sdi) |
16e76bae | 447 | { |
16e76bae MS |
448 | if (sdi->status != SR_ST_ACTIVE) |
449 | return SR_ERR_DEV_CLOSED; | |
450 | ||
e52e712d MS |
451 | sr_dbg("Stopping acquisition."); |
452 | ||
453 | sdi->status = SR_ST_STOPPING; | |
16e76bae MS |
454 | |
455 | return SR_OK; | |
456 | } | |
457 | ||
dd5c48a6 | 458 | static struct sr_dev_driver ikalogic_scanalogic2_driver_info = { |
16e76bae | 459 | .name = "ikalogic-scanalogic2", |
e52e712d | 460 | .longname = "IKALOGIC Scanalogic-2", |
16e76bae | 461 | .api_version = 1, |
c2fdcc25 | 462 | .init = std_init, |
700d6b64 | 463 | .cleanup = std_cleanup, |
16e76bae | 464 | .scan = scan, |
c01bf34c | 465 | .dev_list = std_dev_list, |
16e76bae MS |
466 | .dev_clear = dev_clear, |
467 | .config_get = config_get, | |
468 | .config_set = config_set, | |
469 | .config_list = config_list, | |
470 | .dev_open = dev_open, | |
471 | .dev_close = dev_close, | |
472 | .dev_acquisition_start = dev_acquisition_start, | |
473 | .dev_acquisition_stop = dev_acquisition_stop, | |
41812aca | 474 | .context = NULL, |
16e76bae | 475 | }; |
dd5c48a6 | 476 | SR_REGISTER_DEV_DRIVER(ikalogic_scanalogic2_driver_info); |