]>
Commit | Line | Data |
---|---|---|
b908f067 UH |
1 | /* |
2 | * This file is part of the sigrok project. | |
3 | * | |
4 | * Copyright (C) 2011-2012 Uwe Hermann <uwe@hermann-uwe.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 2 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, write to the Free Software | |
18 | * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA | |
19 | */ | |
20 | ||
21 | #include <ftdi.h> | |
22 | #include <glib.h> | |
23 | #include <string.h> | |
45c59c8b BV |
24 | #include "libsigrok.h" |
25 | #include "libsigrok-internal.h" | |
45e080b6 | 26 | #include "protocol.h" |
b908f067 | 27 | |
765ef2f7 | 28 | SR_PRIV struct sr_dev_driver chronovu_la8_driver_info; |
f3a35908 | 29 | static struct sr_dev_driver *di = &chronovu_la8_driver_info; |
b908f067 | 30 | |
74e5f12d UH |
31 | /* |
32 | * The ChronoVu LA8 can have multiple PIDs. Older versions shipped with | |
33 | * a standard FTDI USB VID/PID of 0403:6001, newer ones have 0403:8867. | |
34 | */ | |
35 | static const uint16_t usb_pids[] = { | |
36 | 0x6001, | |
37 | 0x8867, | |
38 | }; | |
39 | ||
b908f067 | 40 | /* Function prototypes. */ |
69b07d14 | 41 | static int hw_dev_acquisition_stop(struct sr_dev_inst *sdi, void *cb_data); |
b908f067 | 42 | |
811deee4 | 43 | static int clear_instances(void) |
c4f3ed4b BV |
44 | { |
45 | GSList *l; | |
46 | struct sr_dev_inst *sdi; | |
1644fb24 BV |
47 | struct drv_context *drvc; |
48 | struct dev_context *devc; | |
49 | ||
f3a35908 | 50 | drvc = di->priv; |
c4f3ed4b BV |
51 | |
52 | /* Properly close all devices. */ | |
1644fb24 | 53 | for (l = drvc->instances; l; l = l->next) { |
c4f3ed4b BV |
54 | if (!(sdi = l->data)) { |
55 | /* Log error, but continue cleaning up the rest. */ | |
f3a35908 | 56 | sr_err("%s: sdi was NULL, continuing.", __func__); |
c4f3ed4b BV |
57 | continue; |
58 | } | |
59 | if (sdi->priv) { | |
1644fb24 BV |
60 | devc = sdi->priv; |
61 | ftdi_free(devc->ftdic); | |
c4f3ed4b BV |
62 | } |
63 | sr_dev_inst_free(sdi); | |
64 | } | |
1644fb24 BV |
65 | g_slist_free(drvc->instances); |
66 | drvc->instances = NULL; | |
c4f3ed4b | 67 | |
811deee4 | 68 | return SR_OK; |
c4f3ed4b BV |
69 | } |
70 | ||
34f06b90 | 71 | static int hw_init(struct sr_context *sr_ctx) |
61136ea6 | 72 | { |
063e7aef | 73 | return std_hw_init(sr_ctx, di, DRIVER_LOG_DOMAIN); |
61136ea6 BV |
74 | } |
75 | ||
c4f3ed4b | 76 | static GSList *hw_scan(GSList *options) |
b908f067 | 77 | { |
b908f067 | 78 | struct sr_dev_inst *sdi; |
87ca93c5 | 79 | struct sr_probe *probe; |
1644fb24 BV |
80 | struct drv_context *drvc; |
81 | struct dev_context *devc; | |
c4f3ed4b | 82 | GSList *devices; |
9c4311c5 BV |
83 | unsigned int i; |
84 | int ret; | |
c4f3ed4b BV |
85 | |
86 | (void)options; | |
f3a35908 UH |
87 | |
88 | drvc = di->priv; | |
4b97c74e | 89 | |
c4f3ed4b | 90 | devices = NULL; |
b908f067 | 91 | |
1644fb24 BV |
92 | /* Allocate memory for our private device context. */ |
93 | if (!(devc = g_try_malloc(sizeof(struct dev_context)))) { | |
f3a35908 | 94 | sr_err("Device context malloc failed."); |
b908f067 UH |
95 | goto err_free_nothing; |
96 | } | |
97 | ||
98 | /* Set some sane defaults. */ | |
1644fb24 BV |
99 | devc->ftdic = NULL; |
100 | devc->cur_samplerate = SR_MHZ(100); /* 100MHz == max. samplerate */ | |
101 | devc->limit_msec = 0; | |
102 | devc->limit_samples = 0; | |
103 | devc->session_dev_id = NULL; | |
104 | memset(devc->mangled_buf, 0, BS); | |
105 | devc->final_buf = NULL; | |
106 | devc->trigger_pattern = 0x00; /* Value irrelevant, see trigger_mask. */ | |
107 | devc->trigger_mask = 0x00; /* All probes are "don't care". */ | |
108 | devc->trigger_timeout = 10; /* Default to 10s trigger timeout. */ | |
109 | devc->trigger_found = 0; | |
110 | devc->done = 0; | |
111 | devc->block_counter = 0; | |
112 | devc->divcount = 0; /* 10ns sample period == 100MHz samplerate */ | |
113 | devc->usb_pid = 0; | |
b908f067 UH |
114 | |
115 | /* Allocate memory where we'll store the de-mangled data. */ | |
1644fb24 | 116 | if (!(devc->final_buf = g_try_malloc(SDRAM_SIZE))) { |
f3a35908 | 117 | sr_err("final_buf malloc failed."); |
1644fb24 | 118 | goto err_free_devc; |
b908f067 UH |
119 | } |
120 | ||
121 | /* Allocate memory for the FTDI context (ftdic) and initialize it. */ | |
1644fb24 | 122 | if (!(devc->ftdic = ftdi_new())) { |
f3a35908 | 123 | sr_err("%s: ftdi_new failed.", __func__); |
b908f067 UH |
124 | goto err_free_final_buf; |
125 | } | |
126 | ||
127 | /* Check for the device and temporarily open it. */ | |
74e5f12d | 128 | for (i = 0; i < ARRAY_SIZE(usb_pids); i++) { |
f3a35908 | 129 | sr_dbg("Probing for VID/PID %04x:%04x.", USB_VENDOR_ID, |
74e5f12d | 130 | usb_pids[i]); |
1644fb24 | 131 | ret = ftdi_usb_open_desc(devc->ftdic, USB_VENDOR_ID, |
74e5f12d UH |
132 | usb_pids[i], USB_DESCRIPTION, NULL); |
133 | if (ret == 0) { | |
f3a35908 | 134 | sr_dbg("Found LA8 device (%04x:%04x).", |
74e5f12d | 135 | USB_VENDOR_ID, usb_pids[i]); |
1644fb24 | 136 | devc->usb_pid = usb_pids[i]; |
74e5f12d | 137 | } |
b908f067 | 138 | } |
74e5f12d | 139 | |
1644fb24 | 140 | if (devc->usb_pid == 0) |
74e5f12d | 141 | goto err_free_ftdic; |
b908f067 UH |
142 | |
143 | /* Register the device with libsigrok. */ | |
144 | sdi = sr_dev_inst_new(0, SR_ST_INITIALIZING, | |
145 | USB_VENDOR_NAME, USB_MODEL_NAME, USB_MODEL_VERSION); | |
146 | if (!sdi) { | |
f3a35908 | 147 | sr_err("%s: sr_dev_inst_new failed.", __func__); |
b908f067 UH |
148 | goto err_close_ftdic; |
149 | } | |
f3a35908 | 150 | sdi->driver = di; |
1644fb24 | 151 | sdi->priv = devc; |
b908f067 | 152 | |
87ca93c5 | 153 | for (i = 0; probe_names[i]; i++) { |
de6e0eca | 154 | if (!(probe = sr_probe_new(i, SR_PROBE_LOGIC, TRUE, |
f3a35908 | 155 | probe_names[i]))) |
87ca93c5 BV |
156 | return NULL; |
157 | sdi->probes = g_slist_append(sdi->probes, probe); | |
158 | } | |
159 | ||
c4f3ed4b | 160 | devices = g_slist_append(devices, sdi); |
1644fb24 | 161 | drvc->instances = g_slist_append(drvc->instances, sdi); |
b908f067 | 162 | |
b908f067 | 163 | /* Close device. We'll reopen it again when we need it. */ |
1644fb24 | 164 | (void) la8_close(devc); /* Log, but ignore errors. */ |
b908f067 | 165 | |
c4f3ed4b | 166 | return devices; |
b908f067 UH |
167 | |
168 | err_close_ftdic: | |
1644fb24 | 169 | (void) la8_close(devc); /* Log, but ignore errors. */ |
b908f067 | 170 | err_free_ftdic: |
4f9bf9a2 | 171 | ftdi_free(devc->ftdic); /* NOT free() or g_free()! */ |
b908f067 | 172 | err_free_final_buf: |
1644fb24 BV |
173 | g_free(devc->final_buf); |
174 | err_free_devc: | |
175 | g_free(devc); | |
b908f067 UH |
176 | err_free_nothing: |
177 | ||
c4f3ed4b | 178 | return NULL; |
b908f067 UH |
179 | } |
180 | ||
811deee4 BV |
181 | static GSList *hw_dev_list(void) |
182 | { | |
0e94d524 | 183 | return ((struct drv_context *)(di->priv))->instances; |
811deee4 BV |
184 | } |
185 | ||
25a0f108 | 186 | static int hw_dev_open(struct sr_dev_inst *sdi) |
b908f067 | 187 | { |
1644fb24 | 188 | struct dev_context *devc; |
25a0f108 | 189 | int ret; |
b908f067 | 190 | |
1644fb24 | 191 | if (!(devc = sdi->priv)) { |
f3a35908 | 192 | sr_err("%s: sdi->priv was NULL.", __func__); |
b908f067 UH |
193 | return SR_ERR_BUG; |
194 | } | |
195 | ||
f3a35908 | 196 | sr_dbg("Opening LA8 device (%04x:%04x).", USB_VENDOR_ID, |
1644fb24 | 197 | devc->usb_pid); |
b908f067 UH |
198 | |
199 | /* Open the device. */ | |
1644fb24 BV |
200 | if ((ret = ftdi_usb_open_desc(devc->ftdic, USB_VENDOR_ID, |
201 | devc->usb_pid, USB_DESCRIPTION, NULL)) < 0) { | |
f3a35908 | 202 | sr_err("%s: ftdi_usb_open_desc: (%d) %s", |
1644fb24 BV |
203 | __func__, ret, ftdi_get_error_string(devc->ftdic)); |
204 | (void) la8_close_usb_reset_sequencer(devc); /* Ignore errors. */ | |
b908f067 UH |
205 | return SR_ERR; |
206 | } | |
f3a35908 | 207 | sr_dbg("Device opened successfully."); |
b908f067 UH |
208 | |
209 | /* Purge RX/TX buffers in the FTDI chip. */ | |
1644fb24 | 210 | if ((ret = ftdi_usb_purge_buffers(devc->ftdic)) < 0) { |
f3a35908 | 211 | sr_err("%s: ftdi_usb_purge_buffers: (%d) %s", |
1644fb24 BV |
212 | __func__, ret, ftdi_get_error_string(devc->ftdic)); |
213 | (void) la8_close_usb_reset_sequencer(devc); /* Ignore errors. */ | |
b908f067 UH |
214 | goto err_dev_open_close_ftdic; |
215 | } | |
f3a35908 | 216 | sr_dbg("FTDI buffers purged successfully."); |
b908f067 UH |
217 | |
218 | /* Enable flow control in the FTDI chip. */ | |
1644fb24 | 219 | if ((ret = ftdi_setflowctrl(devc->ftdic, SIO_RTS_CTS_HS)) < 0) { |
f3a35908 | 220 | sr_err("%s: ftdi_setflowcontrol: (%d) %s", |
1644fb24 BV |
221 | __func__, ret, ftdi_get_error_string(devc->ftdic)); |
222 | (void) la8_close_usb_reset_sequencer(devc); /* Ignore errors. */ | |
b908f067 UH |
223 | goto err_dev_open_close_ftdic; |
224 | } | |
f3a35908 | 225 | sr_dbg("FTDI flow control enabled successfully."); |
b908f067 UH |
226 | |
227 | /* Wait 100ms. */ | |
228 | g_usleep(100 * 1000); | |
229 | ||
230 | sdi->status = SR_ST_ACTIVE; | |
231 | ||
232 | return SR_OK; | |
233 | ||
234 | err_dev_open_close_ftdic: | |
1644fb24 | 235 | (void) la8_close(devc); /* Log, but ignore errors. */ |
b908f067 UH |
236 | return SR_ERR; |
237 | } | |
238 | ||
25a0f108 | 239 | static int hw_dev_close(struct sr_dev_inst *sdi) |
b908f067 | 240 | { |
1644fb24 | 241 | struct dev_context *devc; |
b908f067 | 242 | |
961009b0 | 243 | devc = sdi->priv; |
b908f067 UH |
244 | |
245 | if (sdi->status == SR_ST_ACTIVE) { | |
f3a35908 | 246 | sr_dbg("Status ACTIVE, closing device."); |
1644fb24 | 247 | (void) la8_close_usb_reset_sequencer(devc); /* Ignore errors. */ |
b908f067 | 248 | } else { |
f3a35908 | 249 | sr_spew("Status not ACTIVE, nothing to do."); |
b908f067 UH |
250 | } |
251 | ||
252 | sdi->status = SR_ST_INACTIVE; | |
253 | ||
1644fb24 | 254 | g_free(devc->final_buf); |
b908f067 UH |
255 | |
256 | return SR_OK; | |
257 | } | |
258 | ||
259 | static int hw_cleanup(void) | |
260 | { | |
33e8a3c5 BV |
261 | if (!di->priv) |
262 | /* Can get called on an unused driver, doesn't matter. */ | |
263 | return SR_OK; | |
cf1ebd54 | 264 | |
c4f3ed4b | 265 | clear_instances(); |
b908f067 | 266 | |
c4f3ed4b | 267 | return SR_OK; |
b908f067 UH |
268 | } |
269 | ||
035a1078 | 270 | static int config_get(int id, const void **data, const struct sr_dev_inst *sdi) |
b908f067 | 271 | { |
1644fb24 | 272 | struct dev_context *devc; |
b908f067 | 273 | |
035a1078 | 274 | switch (id) { |
123e1313 | 275 | case SR_CONF_SAMPLERATE: |
6a2761fd | 276 | if (sdi) { |
1644fb24 BV |
277 | devc = sdi->priv; |
278 | *data = &devc->cur_samplerate; | |
f3a35908 | 279 | sr_spew("%s: Returning samplerate: %" PRIu64 "Hz.", |
1644fb24 | 280 | __func__, devc->cur_samplerate); |
6a2761fd BV |
281 | } else |
282 | return SR_ERR; | |
b908f067 | 283 | break; |
cfe8a84d BV |
284 | default: |
285 | return SR_ERR_ARG; | |
b908f067 UH |
286 | } |
287 | ||
6a2761fd | 288 | return SR_OK; |
b908f067 UH |
289 | } |
290 | ||
035a1078 | 291 | static int config_set(int id, const void *value, const struct sr_dev_inst *sdi) |
b908f067 | 292 | { |
1644fb24 | 293 | struct dev_context *devc; |
b908f067 | 294 | |
1644fb24 | 295 | if (!(devc = sdi->priv)) { |
f3a35908 | 296 | sr_err("%s: sdi->priv was NULL.", __func__); |
b908f067 UH |
297 | return SR_ERR_BUG; |
298 | } | |
299 | ||
035a1078 | 300 | switch (id) { |
1953564a | 301 | case SR_CONF_SAMPLERATE: |
b908f067 | 302 | if (set_samplerate(sdi, *(const uint64_t *)value) == SR_ERR) { |
f3a35908 | 303 | sr_err("%s: setting samplerate failed.", __func__); |
b908f067 UH |
304 | return SR_ERR; |
305 | } | |
f3a35908 | 306 | sr_dbg("SAMPLERATE = %" PRIu64, devc->cur_samplerate); |
b908f067 | 307 | break; |
1953564a | 308 | case SR_CONF_LIMIT_MSEC: |
b908f067 | 309 | if (*(const uint64_t *)value == 0) { |
f3a35908 | 310 | sr_err("%s: LIMIT_MSEC can't be 0.", __func__); |
b908f067 UH |
311 | return SR_ERR; |
312 | } | |
1644fb24 | 313 | devc->limit_msec = *(const uint64_t *)value; |
f3a35908 | 314 | sr_dbg("LIMIT_MSEC = %" PRIu64, devc->limit_msec); |
b908f067 | 315 | break; |
1953564a | 316 | case SR_CONF_LIMIT_SAMPLES: |
b908f067 | 317 | if (*(const uint64_t *)value < MIN_NUM_SAMPLES) { |
f3a35908 | 318 | sr_err("%s: LIMIT_SAMPLES too small.", __func__); |
b908f067 UH |
319 | return SR_ERR; |
320 | } | |
1644fb24 | 321 | devc->limit_samples = *(const uint64_t *)value; |
f3a35908 | 322 | sr_dbg("LIMIT_SAMPLES = %" PRIu64, devc->limit_samples); |
b908f067 UH |
323 | break; |
324 | default: | |
325 | /* Unknown capability, return SR_ERR. */ | |
035a1078 | 326 | sr_err("%s: Unknown capability: %d.", __func__, id); |
b908f067 UH |
327 | return SR_ERR; |
328 | break; | |
329 | } | |
330 | ||
331 | return SR_OK; | |
332 | } | |
333 | ||
a1c743fc BV |
334 | static int config_list(int key, const void **data, const struct sr_dev_inst *sdi) |
335 | { | |
336 | ||
337 | (void)sdi; | |
338 | ||
339 | switch (key) { | |
9a6517d1 BV |
340 | case SR_CONF_DEVICE_OPTIONS: |
341 | *data = hwcaps; | |
342 | break; | |
a1c743fc BV |
343 | case SR_CONF_SAMPLERATE: |
344 | fill_supported_samplerates_if_needed(); | |
345 | *data = &samplerates; | |
346 | break; | |
c50277a6 BV |
347 | case SR_CONF_TRIGGER_TYPE: |
348 | *data = (char *)TRIGGER_TYPE; | |
349 | break; | |
a1c743fc BV |
350 | default: |
351 | return SR_ERR_ARG; | |
352 | } | |
353 | ||
354 | return SR_OK; | |
355 | } | |
356 | ||
b908f067 UH |
357 | static int receive_data(int fd, int revents, void *cb_data) |
358 | { | |
359 | int i, ret; | |
360 | struct sr_dev_inst *sdi; | |
1644fb24 | 361 | struct dev_context *devc; |
b908f067 | 362 | |
b908f067 UH |
363 | (void)fd; |
364 | (void)revents; | |
365 | ||
366 | if (!(sdi = cb_data)) { | |
f3a35908 | 367 | sr_err("%s: cb_data was NULL.", __func__); |
b908f067 UH |
368 | return FALSE; |
369 | } | |
370 | ||
1644fb24 | 371 | if (!(devc = sdi->priv)) { |
f3a35908 | 372 | sr_err("%s: sdi->priv was NULL.", __func__); |
b908f067 UH |
373 | return FALSE; |
374 | } | |
375 | ||
1644fb24 | 376 | if (!devc->ftdic) { |
f3a35908 | 377 | sr_err("%s: devc->ftdic was NULL.", __func__); |
b908f067 UH |
378 | return FALSE; |
379 | } | |
380 | ||
381 | /* Get one block of data. */ | |
1644fb24 | 382 | if ((ret = la8_read_block(devc)) < 0) { |
f3a35908 | 383 | sr_err("%s: la8_read_block error: %d.", __func__, ret); |
3ffb6964 | 384 | hw_dev_acquisition_stop(sdi, sdi); |
b908f067 UH |
385 | return FALSE; |
386 | } | |
387 | ||
388 | /* We need to get exactly NUM_BLOCKS blocks (i.e. 8MB) of data. */ | |
1644fb24 BV |
389 | if (devc->block_counter != (NUM_BLOCKS - 1)) { |
390 | devc->block_counter++; | |
b908f067 UH |
391 | return TRUE; |
392 | } | |
393 | ||
f3a35908 | 394 | sr_dbg("Sampling finished, sending data to session bus now."); |
b908f067 UH |
395 | |
396 | /* All data was received and demangled, send it to the session bus. */ | |
397 | for (i = 0; i < NUM_BLOCKS; i++) | |
1644fb24 | 398 | send_block_to_session_bus(devc, i); |
b908f067 | 399 | |
3ffb6964 | 400 | hw_dev_acquisition_stop(sdi, sdi); |
b908f067 | 401 | |
b908f067 UH |
402 | return TRUE; |
403 | } | |
404 | ||
3ffb6964 | 405 | static int hw_dev_acquisition_start(const struct sr_dev_inst *sdi, |
f3a35908 | 406 | void *cb_data) |
b908f067 | 407 | { |
1644fb24 | 408 | struct dev_context *devc; |
b908f067 UH |
409 | struct sr_datafeed_packet packet; |
410 | struct sr_datafeed_header header; | |
b908f067 UH |
411 | uint8_t buf[4]; |
412 | int bytes_written; | |
413 | ||
1644fb24 | 414 | if (!(devc = sdi->priv)) { |
f3a35908 | 415 | sr_err("%s: sdi->priv was NULL.", __func__); |
b908f067 UH |
416 | return SR_ERR_BUG; |
417 | } | |
418 | ||
1644fb24 | 419 | if (!devc->ftdic) { |
f3a35908 | 420 | sr_err("%s: devc->ftdic was NULL.", __func__); |
b908f067 UH |
421 | return SR_ERR_BUG; |
422 | } | |
423 | ||
1644fb24 BV |
424 | devc->divcount = samplerate_to_divcount(devc->cur_samplerate); |
425 | if (devc->divcount == 0xff) { | |
f3a35908 | 426 | sr_err("%s: Invalid divcount/samplerate.", __func__); |
b908f067 UH |
427 | return SR_ERR; |
428 | } | |
429 | ||
014359e3 | 430 | if (configure_probes(sdi) != SR_OK) { |
f3a35908 | 431 | sr_err("Failed to configure probes."); |
014359e3 BV |
432 | return SR_ERR; |
433 | } | |
434 | ||
f3a35908 | 435 | sr_dbg("Starting acquisition."); |
b908f067 UH |
436 | |
437 | /* Fill acquisition parameters into buf[]. */ | |
1644fb24 | 438 | buf[0] = devc->divcount; |
b908f067 | 439 | buf[1] = 0xff; /* This byte must always be 0xff. */ |
1644fb24 BV |
440 | buf[2] = devc->trigger_pattern; |
441 | buf[3] = devc->trigger_mask; | |
b908f067 UH |
442 | |
443 | /* Start acquisition. */ | |
1644fb24 | 444 | bytes_written = la8_write(devc, buf, 4); |
b908f067 UH |
445 | |
446 | if (bytes_written < 0) { | |
f3a35908 | 447 | sr_err("Acquisition failed to start: %d.", bytes_written); |
b908f067 UH |
448 | return SR_ERR; |
449 | } else if (bytes_written != 4) { | |
f3a35908 | 450 | sr_err("Acquisition failed to start: %d.", bytes_written); |
afc88319 | 451 | return SR_ERR; |
b908f067 UH |
452 | } |
453 | ||
f3a35908 | 454 | sr_dbg("Acquisition started successfully."); |
b908f067 | 455 | |
1644fb24 | 456 | devc->session_dev_id = cb_data; |
b908f067 UH |
457 | |
458 | /* Send header packet to the session bus. */ | |
f3a35908 | 459 | sr_dbg("Sending SR_DF_HEADER."); |
b908f067 UH |
460 | packet.type = SR_DF_HEADER; |
461 | packet.payload = &header; | |
462 | header.feed_version = 1; | |
463 | gettimeofday(&header.starttime, NULL); | |
1644fb24 | 464 | sr_session_send(devc->session_dev_id, &packet); |
b908f067 | 465 | |
b908f067 | 466 | /* Time when we should be done (for detecting trigger timeouts). */ |
1644fb24 BV |
467 | devc->done = (devc->divcount + 1) * 0.08388608 + time(NULL) |
468 | + devc->trigger_timeout; | |
469 | devc->block_counter = 0; | |
470 | devc->trigger_found = 0; | |
b908f067 UH |
471 | |
472 | /* Hook up a dummy handler to receive data from the LA8. */ | |
3ffb6964 | 473 | sr_source_add(-1, G_IO_IN, 0, receive_data, (void *)sdi); |
b908f067 UH |
474 | |
475 | return SR_OK; | |
476 | } | |
477 | ||
69b07d14 | 478 | static int hw_dev_acquisition_stop(struct sr_dev_inst *sdi, void *cb_data) |
b908f067 | 479 | { |
b908f067 UH |
480 | struct sr_datafeed_packet packet; |
481 | ||
afc88319 | 482 | (void)sdi; |
b908f067 | 483 | |
f3a35908 | 484 | sr_dbg("Stopping acquisition."); |
7021f985 BV |
485 | sr_source_remove(-1); |
486 | ||
b908f067 | 487 | /* Send end packet to the session bus. */ |
f3a35908 | 488 | sr_dbg("Sending SR_DF_END."); |
b908f067 UH |
489 | packet.type = SR_DF_END; |
490 | sr_session_send(cb_data, &packet); | |
491 | ||
492 | return SR_OK; | |
493 | } | |
494 | ||
495 | SR_PRIV struct sr_dev_driver chronovu_la8_driver_info = { | |
496 | .name = "chronovu-la8", | |
497 | .longname = "ChronoVu LA8", | |
498 | .api_version = 1, | |
499 | .init = hw_init, | |
500 | .cleanup = hw_cleanup, | |
61136ea6 | 501 | .scan = hw_scan, |
811deee4 BV |
502 | .dev_list = hw_dev_list, |
503 | .dev_clear = clear_instances, | |
035a1078 BV |
504 | .config_get = config_get, |
505 | .config_set = config_set, | |
a1c743fc | 506 | .config_list = config_list, |
b908f067 UH |
507 | .dev_open = hw_dev_open, |
508 | .dev_close = hw_dev_close, | |
b908f067 UH |
509 | .dev_acquisition_start = hw_dev_acquisition_start, |
510 | .dev_acquisition_stop = hw_dev_acquisition_stop, | |
1644fb24 | 511 | .priv = NULL, |
b908f067 | 512 | }; |