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Commit | Line | Data |
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b908f067 | 1 | /* |
50985c20 | 2 | * This file is part of the libsigrok project. |
b908f067 | 3 | * |
b172c130 | 4 | * Copyright (C) 2011-2014 Uwe Hermann <uwe@hermann-uwe.de> |
b908f067 UH |
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 | ||
45e080b6 | 21 | #include "protocol.h" |
b908f067 | 22 | |
765ef2f7 | 23 | SR_PRIV struct sr_dev_driver chronovu_la8_driver_info; |
f3a35908 | 24 | static struct sr_dev_driver *di = &chronovu_la8_driver_info; |
b908f067 | 25 | |
415e6389 UH |
26 | /* |
27 | * This will be initialized via config_list()/SR_CONF_SAMPLERATE. | |
1bec72d2 BV |
28 | * |
29 | * Min: 1 sample per 0.01us -> sample time is 0.084s, samplerate 100MHz | |
30 | * Max: 1 sample per 2.55us -> sample time is 21.391s, samplerate 392.15kHz | |
31 | */ | |
b172c130 | 32 | SR_PRIV uint64_t cv_samplerates[255] = { 0 }; |
1bec72d2 | 33 | |
b172c130 | 34 | SR_PRIV const int32_t cv_hwcaps[] = { |
1bec72d2 BV |
35 | SR_CONF_LOGIC_ANALYZER, |
36 | SR_CONF_SAMPLERATE, | |
37 | SR_CONF_LIMIT_MSEC, /* TODO: Not yet implemented. */ | |
38 | SR_CONF_LIMIT_SAMPLES, /* TODO: Not yet implemented. */ | |
39 | }; | |
40 | ||
74e5f12d UH |
41 | /* |
42 | * The ChronoVu LA8 can have multiple PIDs. Older versions shipped with | |
43 | * a standard FTDI USB VID/PID of 0403:6001, newer ones have 0403:8867. | |
44 | */ | |
45 | static const uint16_t usb_pids[] = { | |
46 | 0x6001, | |
47 | 0x8867, | |
48 | }; | |
49 | ||
6078d2c9 | 50 | static int dev_acquisition_stop(struct sr_dev_inst *sdi, void *cb_data); |
b908f067 | 51 | |
97900799 | 52 | static void clear_helper(void *priv) |
c4f3ed4b | 53 | { |
1644fb24 | 54 | struct dev_context *devc; |
b172c130 | 55 | |
97900799 | 56 | devc = priv; |
1644fb24 | 57 | |
97900799 UH |
58 | ftdi_free(devc->ftdic); |
59 | g_free(devc->final_buf); | |
60 | } | |
c4f3ed4b | 61 | |
3b412e3a | 62 | static int dev_clear(void) |
97900799 UH |
63 | { |
64 | return std_dev_clear(di, clear_helper); | |
c4f3ed4b BV |
65 | } |
66 | ||
6078d2c9 | 67 | static int init(struct sr_context *sr_ctx) |
61136ea6 | 68 | { |
f6beaac5 | 69 | return std_init(sr_ctx, di, LOG_PREFIX); |
61136ea6 BV |
70 | } |
71 | ||
6078d2c9 | 72 | static GSList *scan(GSList *options) |
b908f067 | 73 | { |
b908f067 | 74 | struct sr_dev_inst *sdi; |
ba7dd8bb | 75 | struct sr_channel *ch; |
1644fb24 BV |
76 | struct drv_context *drvc; |
77 | struct dev_context *devc; | |
c4f3ed4b | 78 | GSList *devices; |
9c4311c5 BV |
79 | unsigned int i; |
80 | int ret; | |
c4f3ed4b BV |
81 | |
82 | (void)options; | |
f3a35908 UH |
83 | |
84 | drvc = di->priv; | |
4b97c74e | 85 | |
c4f3ed4b | 86 | devices = NULL; |
b908f067 | 87 | |
1644fb24 | 88 | /* Allocate memory for our private device context. */ |
b172c130 | 89 | devc = g_try_malloc(sizeof(struct dev_context)); |
b908f067 UH |
90 | |
91 | /* Set some sane defaults. */ | |
1644fb24 BV |
92 | devc->ftdic = NULL; |
93 | devc->cur_samplerate = SR_MHZ(100); /* 100MHz == max. samplerate */ | |
94 | devc->limit_msec = 0; | |
95 | devc->limit_samples = 0; | |
3e9b7f9c | 96 | devc->cb_data = NULL; |
1644fb24 BV |
97 | memset(devc->mangled_buf, 0, BS); |
98 | devc->final_buf = NULL; | |
99 | devc->trigger_pattern = 0x00; /* Value irrelevant, see trigger_mask. */ | |
ba7dd8bb | 100 | devc->trigger_mask = 0x00; /* All channels are "don't care". */ |
1644fb24 BV |
101 | devc->trigger_timeout = 10; /* Default to 10s trigger timeout. */ |
102 | devc->trigger_found = 0; | |
103 | devc->done = 0; | |
104 | devc->block_counter = 0; | |
105 | devc->divcount = 0; /* 10ns sample period == 100MHz samplerate */ | |
106 | devc->usb_pid = 0; | |
b908f067 UH |
107 | |
108 | /* Allocate memory where we'll store the de-mangled data. */ | |
1644fb24 | 109 | if (!(devc->final_buf = g_try_malloc(SDRAM_SIZE))) { |
b172c130 | 110 | sr_err("Failed to allocate memory for sample buffer."); |
1644fb24 | 111 | goto err_free_devc; |
b908f067 UH |
112 | } |
113 | ||
114 | /* Allocate memory for the FTDI context (ftdic) and initialize it. */ | |
1644fb24 | 115 | if (!(devc->ftdic = ftdi_new())) { |
b172c130 | 116 | sr_err("Failed to initialize libftdi."); |
b908f067 UH |
117 | goto err_free_final_buf; |
118 | } | |
119 | ||
120 | /* Check for the device and temporarily open it. */ | |
74e5f12d | 121 | for (i = 0; i < ARRAY_SIZE(usb_pids); i++) { |
f3a35908 | 122 | sr_dbg("Probing for VID/PID %04x:%04x.", USB_VENDOR_ID, |
74e5f12d | 123 | usb_pids[i]); |
1644fb24 | 124 | ret = ftdi_usb_open_desc(devc->ftdic, USB_VENDOR_ID, |
74e5f12d UH |
125 | usb_pids[i], USB_DESCRIPTION, NULL); |
126 | if (ret == 0) { | |
f3a35908 | 127 | sr_dbg("Found LA8 device (%04x:%04x).", |
74e5f12d | 128 | USB_VENDOR_ID, usb_pids[i]); |
1644fb24 | 129 | devc->usb_pid = usb_pids[i]; |
74e5f12d | 130 | } |
b908f067 | 131 | } |
74e5f12d | 132 | |
1644fb24 | 133 | if (devc->usb_pid == 0) |
74e5f12d | 134 | goto err_free_ftdic; |
b908f067 UH |
135 | |
136 | /* Register the device with libsigrok. */ | |
137 | sdi = sr_dev_inst_new(0, SR_ST_INITIALIZING, | |
138 | USB_VENDOR_NAME, USB_MODEL_NAME, USB_MODEL_VERSION); | |
139 | if (!sdi) { | |
b172c130 | 140 | sr_err("Failed to create device instance."); |
b908f067 UH |
141 | goto err_close_ftdic; |
142 | } | |
f3a35908 | 143 | sdi->driver = di; |
1644fb24 | 144 | sdi->priv = devc; |
b908f067 | 145 | |
b172c130 | 146 | for (i = 0; cv_channel_names[i]; i++) { |
3f239f08 | 147 | if (!(ch = sr_channel_new(i, SR_CHANNEL_LOGIC, TRUE, |
b172c130 | 148 | cv_channel_names[i]))) |
87ca93c5 | 149 | return NULL; |
ba7dd8bb | 150 | sdi->channels = g_slist_append(sdi->channels, ch); |
87ca93c5 BV |
151 | } |
152 | ||
c4f3ed4b | 153 | devices = g_slist_append(devices, sdi); |
1644fb24 | 154 | drvc->instances = g_slist_append(drvc->instances, sdi); |
b908f067 | 155 | |
b908f067 | 156 | /* Close device. We'll reopen it again when we need it. */ |
b172c130 | 157 | (void) cv_close(devc); /* Log, but ignore errors. */ |
b908f067 | 158 | |
c4f3ed4b | 159 | return devices; |
b908f067 UH |
160 | |
161 | err_close_ftdic: | |
b172c130 | 162 | (void) cv_close(devc); /* Log, but ignore errors. */ |
b908f067 | 163 | err_free_ftdic: |
4f9bf9a2 | 164 | ftdi_free(devc->ftdic); /* NOT free() or g_free()! */ |
b908f067 | 165 | err_free_final_buf: |
1644fb24 BV |
166 | g_free(devc->final_buf); |
167 | err_free_devc: | |
168 | g_free(devc); | |
b908f067 UH |
169 | err_free_nothing: |
170 | ||
c4f3ed4b | 171 | return NULL; |
b908f067 UH |
172 | } |
173 | ||
6078d2c9 | 174 | static GSList *dev_list(void) |
811deee4 | 175 | { |
0e94d524 | 176 | return ((struct drv_context *)(di->priv))->instances; |
811deee4 BV |
177 | } |
178 | ||
6078d2c9 | 179 | static int dev_open(struct sr_dev_inst *sdi) |
b908f067 | 180 | { |
1644fb24 | 181 | struct dev_context *devc; |
25a0f108 | 182 | int ret; |
b908f067 | 183 | |
b172c130 | 184 | if (!(devc = sdi->priv)) |
b908f067 | 185 | return SR_ERR_BUG; |
b908f067 | 186 | |
f3a35908 | 187 | sr_dbg("Opening LA8 device (%04x:%04x).", USB_VENDOR_ID, |
1644fb24 | 188 | devc->usb_pid); |
b908f067 UH |
189 | |
190 | /* Open the device. */ | |
1644fb24 BV |
191 | if ((ret = ftdi_usb_open_desc(devc->ftdic, USB_VENDOR_ID, |
192 | devc->usb_pid, USB_DESCRIPTION, NULL)) < 0) { | |
b172c130 UH |
193 | sr_err("Failed to open FTDI device (%d): %s.", |
194 | ret, ftdi_get_error_string(devc->ftdic)); | |
195 | (void) cv_close_usb_reset_sequencer(devc); /* Ignore errors. */ | |
b908f067 UH |
196 | return SR_ERR; |
197 | } | |
f3a35908 | 198 | sr_dbg("Device opened successfully."); |
b908f067 UH |
199 | |
200 | /* Purge RX/TX buffers in the FTDI chip. */ | |
1644fb24 | 201 | if ((ret = ftdi_usb_purge_buffers(devc->ftdic)) < 0) { |
b172c130 UH |
202 | sr_err("Failed to purge FTDI buffers (%d): %s.", |
203 | ret, ftdi_get_error_string(devc->ftdic)); | |
204 | (void) cv_close_usb_reset_sequencer(devc); /* Ignore errors. */ | |
b908f067 UH |
205 | goto err_dev_open_close_ftdic; |
206 | } | |
f3a35908 | 207 | sr_dbg("FTDI buffers purged successfully."); |
b908f067 UH |
208 | |
209 | /* Enable flow control in the FTDI chip. */ | |
1644fb24 | 210 | if ((ret = ftdi_setflowctrl(devc->ftdic, SIO_RTS_CTS_HS)) < 0) { |
b172c130 UH |
211 | sr_err("Failed to enable FTDI flow control (%d): %s.", |
212 | ret, ftdi_get_error_string(devc->ftdic)); | |
213 | (void) cv_close_usb_reset_sequencer(devc); /* Ignore errors. */ | |
b908f067 UH |
214 | goto err_dev_open_close_ftdic; |
215 | } | |
f3a35908 | 216 | sr_dbg("FTDI flow control enabled successfully."); |
b908f067 UH |
217 | |
218 | /* Wait 100ms. */ | |
219 | g_usleep(100 * 1000); | |
220 | ||
221 | sdi->status = SR_ST_ACTIVE; | |
222 | ||
223 | return SR_OK; | |
224 | ||
225 | err_dev_open_close_ftdic: | |
b172c130 | 226 | (void) cv_close(devc); /* Log, but ignore errors. */ |
b908f067 UH |
227 | return SR_ERR; |
228 | } | |
229 | ||
6078d2c9 | 230 | static int dev_close(struct sr_dev_inst *sdi) |
b908f067 | 231 | { |
1644fb24 | 232 | struct dev_context *devc; |
b908f067 | 233 | |
961009b0 | 234 | devc = sdi->priv; |
b908f067 UH |
235 | |
236 | if (sdi->status == SR_ST_ACTIVE) { | |
f3a35908 | 237 | sr_dbg("Status ACTIVE, closing device."); |
b172c130 | 238 | (void) cv_close_usb_reset_sequencer(devc); /* Ignore errors. */ |
b908f067 | 239 | } else { |
f3a35908 | 240 | sr_spew("Status not ACTIVE, nothing to do."); |
b908f067 UH |
241 | } |
242 | ||
243 | sdi->status = SR_ST_INACTIVE; | |
244 | ||
b908f067 UH |
245 | return SR_OK; |
246 | } | |
247 | ||
6078d2c9 | 248 | static int cleanup(void) |
b908f067 | 249 | { |
3b412e3a | 250 | return dev_clear(); |
b908f067 UH |
251 | } |
252 | ||
8f996b89 | 253 | static int config_get(int id, GVariant **data, const struct sr_dev_inst *sdi, |
53b4680f | 254 | const struct sr_channel_group *cg) |
b908f067 | 255 | { |
1644fb24 | 256 | struct dev_context *devc; |
b908f067 | 257 | |
53b4680f | 258 | (void)cg; |
8f996b89 | 259 | |
035a1078 | 260 | switch (id) { |
123e1313 | 261 | case SR_CONF_SAMPLERATE: |
b172c130 UH |
262 | if (!sdi || !(devc = sdi->priv)) |
263 | return SR_ERR_BUG; | |
264 | *data = g_variant_new_uint64(devc->cur_samplerate); | |
b908f067 | 265 | break; |
cfe8a84d | 266 | default: |
bd6fbf62 | 267 | return SR_ERR_NA; |
b908f067 UH |
268 | } |
269 | ||
6a2761fd | 270 | return SR_OK; |
b908f067 UH |
271 | } |
272 | ||
8f996b89 | 273 | static int config_set(int id, GVariant *data, const struct sr_dev_inst *sdi, |
53b4680f | 274 | const struct sr_channel_group *cg) |
b908f067 | 275 | { |
1644fb24 | 276 | struct dev_context *devc; |
b908f067 | 277 | |
53b4680f | 278 | (void)cg; |
8f996b89 | 279 | |
e73ffd42 BV |
280 | if (sdi->status != SR_ST_ACTIVE) |
281 | return SR_ERR_DEV_CLOSED; | |
282 | ||
b172c130 | 283 | if (!(devc = sdi->priv)) |
b908f067 | 284 | return SR_ERR_BUG; |
b908f067 | 285 | |
035a1078 | 286 | switch (id) { |
1953564a | 287 | case SR_CONF_SAMPLERATE: |
b172c130 | 288 | if (set_samplerate(sdi, g_variant_get_uint64(data)) < 0) |
b908f067 | 289 | return SR_ERR; |
b908f067 | 290 | break; |
1953564a | 291 | case SR_CONF_LIMIT_MSEC: |
b172c130 UH |
292 | if (g_variant_get_uint64(data) == 0) |
293 | return SR_ERR_ARG; | |
1bec72d2 | 294 | devc->limit_msec = g_variant_get_uint64(data); |
b908f067 | 295 | break; |
1953564a | 296 | case SR_CONF_LIMIT_SAMPLES: |
b172c130 UH |
297 | if (g_variant_get_uint64(data) == 0) |
298 | return SR_ERR_ARG; | |
1bec72d2 | 299 | devc->limit_samples = g_variant_get_uint64(data); |
b908f067 UH |
300 | break; |
301 | default: | |
bd6fbf62 | 302 | return SR_ERR_NA; |
b908f067 UH |
303 | } |
304 | ||
305 | return SR_OK; | |
306 | } | |
307 | ||
8f996b89 | 308 | static int config_list(int key, GVariant **data, const struct sr_dev_inst *sdi, |
53b4680f | 309 | const struct sr_channel_group *cg) |
a1c743fc | 310 | { |
f0de2dd0 | 311 | GVariant *gvar, *grange[2]; |
1bec72d2 | 312 | GVariantBuilder gvb; |
a1c743fc BV |
313 | |
314 | (void)sdi; | |
53b4680f | 315 | (void)cg; |
a1c743fc BV |
316 | |
317 | switch (key) { | |
9a6517d1 | 318 | case SR_CONF_DEVICE_OPTIONS: |
1bec72d2 | 319 | *data = g_variant_new_fixed_array(G_VARIANT_TYPE_INT32, |
b172c130 | 320 | cv_hwcaps, ARRAY_SIZE(cv_hwcaps), |
1bec72d2 | 321 | sizeof(int32_t)); |
9a6517d1 | 322 | break; |
a1c743fc | 323 | case SR_CONF_SAMPLERATE: |
b172c130 | 324 | cv_fill_samplerates_if_needed(); |
1bec72d2 BV |
325 | g_variant_builder_init(&gvb, G_VARIANT_TYPE("a{sv}")); |
326 | gvar = g_variant_new_fixed_array(G_VARIANT_TYPE("t"), | |
b172c130 | 327 | cv_samplerates, ARRAY_SIZE(cv_samplerates), |
1bec72d2 BV |
328 | sizeof(uint64_t)); |
329 | g_variant_builder_add(&gvb, "{sv}", "samplerates", gvar); | |
330 | *data = g_variant_builder_end(&gvb); | |
a1c743fc | 331 | break; |
f0de2dd0 BV |
332 | case SR_CONF_LIMIT_SAMPLES: |
333 | grange[0] = g_variant_new_uint64(0); | |
334 | grange[1] = g_variant_new_uint64(MAX_NUM_SAMPLES); | |
335 | *data = g_variant_new_tuple(grange, 2); | |
336 | break; | |
c50277a6 | 337 | case SR_CONF_TRIGGER_TYPE: |
1bec72d2 | 338 | *data = g_variant_new_string(TRIGGER_TYPE); |
c50277a6 | 339 | break; |
a1c743fc | 340 | default: |
bd6fbf62 | 341 | return SR_ERR_NA; |
a1c743fc BV |
342 | } |
343 | ||
344 | return SR_OK; | |
345 | } | |
346 | ||
b908f067 UH |
347 | static int receive_data(int fd, int revents, void *cb_data) |
348 | { | |
349 | int i, ret; | |
350 | struct sr_dev_inst *sdi; | |
1644fb24 | 351 | struct dev_context *devc; |
b908f067 | 352 | |
b908f067 UH |
353 | (void)fd; |
354 | (void)revents; | |
355 | ||
356 | if (!(sdi = cb_data)) { | |
b172c130 | 357 | sr_err("cb_data was NULL."); |
b908f067 UH |
358 | return FALSE; |
359 | } | |
360 | ||
1644fb24 | 361 | if (!(devc = sdi->priv)) { |
b172c130 | 362 | sr_err("sdi->priv was NULL."); |
b908f067 UH |
363 | return FALSE; |
364 | } | |
365 | ||
1644fb24 | 366 | if (!devc->ftdic) { |
b172c130 | 367 | sr_err("devc->ftdic was NULL."); |
b908f067 UH |
368 | return FALSE; |
369 | } | |
370 | ||
371 | /* Get one block of data. */ | |
b172c130 UH |
372 | if ((ret = cv_read_block(devc)) < 0) { |
373 | sr_err("Failed to read data block: %d.", ret); | |
6078d2c9 | 374 | dev_acquisition_stop(sdi, sdi); |
b908f067 UH |
375 | return FALSE; |
376 | } | |
377 | ||
378 | /* We need to get exactly NUM_BLOCKS blocks (i.e. 8MB) of data. */ | |
1644fb24 BV |
379 | if (devc->block_counter != (NUM_BLOCKS - 1)) { |
380 | devc->block_counter++; | |
b908f067 UH |
381 | return TRUE; |
382 | } | |
383 | ||
f3a35908 | 384 | sr_dbg("Sampling finished, sending data to session bus now."); |
b908f067 UH |
385 | |
386 | /* All data was received and demangled, send it to the session bus. */ | |
387 | for (i = 0; i < NUM_BLOCKS; i++) | |
b172c130 | 388 | cv_send_block_to_session_bus(devc, i); |
b908f067 | 389 | |
6078d2c9 | 390 | dev_acquisition_stop(sdi, sdi); |
b908f067 | 391 | |
b908f067 UH |
392 | return TRUE; |
393 | } | |
394 | ||
6078d2c9 | 395 | static int dev_acquisition_start(const struct sr_dev_inst *sdi, void *cb_data) |
b908f067 | 396 | { |
1644fb24 | 397 | struct dev_context *devc; |
b908f067 UH |
398 | uint8_t buf[4]; |
399 | int bytes_written; | |
400 | ||
e73ffd42 BV |
401 | if (sdi->status != SR_ST_ACTIVE) |
402 | return SR_ERR_DEV_CLOSED; | |
403 | ||
1644fb24 | 404 | if (!(devc = sdi->priv)) { |
b172c130 | 405 | sr_err("sdi->priv was NULL."); |
b908f067 UH |
406 | return SR_ERR_BUG; |
407 | } | |
408 | ||
1644fb24 | 409 | if (!devc->ftdic) { |
b172c130 | 410 | sr_err("devc->ftdic was NULL."); |
b908f067 UH |
411 | return SR_ERR_BUG; |
412 | } | |
413 | ||
b172c130 | 414 | devc->divcount = cv_samplerate_to_divcount(devc->cur_samplerate); |
1644fb24 | 415 | if (devc->divcount == 0xff) { |
b172c130 | 416 | sr_err("Invalid divcount/samplerate."); |
b908f067 UH |
417 | return SR_ERR; |
418 | } | |
419 | ||
b172c130 | 420 | if (cv_configure_channels(sdi) != SR_OK) { |
ba7dd8bb | 421 | sr_err("Failed to configure channels."); |
014359e3 BV |
422 | return SR_ERR; |
423 | } | |
424 | ||
b908f067 | 425 | /* Fill acquisition parameters into buf[]. */ |
1644fb24 | 426 | buf[0] = devc->divcount; |
b908f067 | 427 | buf[1] = 0xff; /* This byte must always be 0xff. */ |
1644fb24 BV |
428 | buf[2] = devc->trigger_pattern; |
429 | buf[3] = devc->trigger_mask; | |
b908f067 UH |
430 | |
431 | /* Start acquisition. */ | |
b172c130 | 432 | bytes_written = cv_write(devc, buf, 4); |
b908f067 UH |
433 | |
434 | if (bytes_written < 0) { | |
f3a35908 | 435 | sr_err("Acquisition failed to start: %d.", bytes_written); |
b908f067 UH |
436 | return SR_ERR; |
437 | } else if (bytes_written != 4) { | |
f3a35908 | 438 | sr_err("Acquisition failed to start: %d.", bytes_written); |
afc88319 | 439 | return SR_ERR; |
b908f067 UH |
440 | } |
441 | ||
4afdfd46 | 442 | sr_dbg("Hardware acquisition started successfully."); |
b908f067 | 443 | |
3e9b7f9c | 444 | devc->cb_data = cb_data; |
b908f067 UH |
445 | |
446 | /* Send header packet to the session bus. */ | |
29a27196 | 447 | std_session_send_df_header(cb_data, LOG_PREFIX); |
b908f067 | 448 | |
b908f067 | 449 | /* Time when we should be done (for detecting trigger timeouts). */ |
1644fb24 BV |
450 | devc->done = (devc->divcount + 1) * 0.08388608 + time(NULL) |
451 | + devc->trigger_timeout; | |
452 | devc->block_counter = 0; | |
453 | devc->trigger_found = 0; | |
b908f067 | 454 | |
b172c130 | 455 | /* Hook up a dummy handler to receive data from the device. */ |
3ffb6964 | 456 | sr_source_add(-1, G_IO_IN, 0, receive_data, (void *)sdi); |
b908f067 UH |
457 | |
458 | return SR_OK; | |
459 | } | |
460 | ||
6078d2c9 | 461 | static int dev_acquisition_stop(struct sr_dev_inst *sdi, void *cb_data) |
b908f067 | 462 | { |
b908f067 UH |
463 | struct sr_datafeed_packet packet; |
464 | ||
afc88319 | 465 | (void)sdi; |
b908f067 | 466 | |
f3a35908 | 467 | sr_dbg("Stopping acquisition."); |
7021f985 BV |
468 | sr_source_remove(-1); |
469 | ||
b908f067 | 470 | /* Send end packet to the session bus. */ |
f3a35908 | 471 | sr_dbg("Sending SR_DF_END."); |
b908f067 UH |
472 | packet.type = SR_DF_END; |
473 | sr_session_send(cb_data, &packet); | |
474 | ||
475 | return SR_OK; | |
476 | } | |
477 | ||
478 | SR_PRIV struct sr_dev_driver chronovu_la8_driver_info = { | |
479 | .name = "chronovu-la8", | |
480 | .longname = "ChronoVu LA8", | |
481 | .api_version = 1, | |
6078d2c9 UH |
482 | .init = init, |
483 | .cleanup = cleanup, | |
484 | .scan = scan, | |
485 | .dev_list = dev_list, | |
3b412e3a | 486 | .dev_clear = dev_clear, |
035a1078 BV |
487 | .config_get = config_get, |
488 | .config_set = config_set, | |
a1c743fc | 489 | .config_list = config_list, |
6078d2c9 UH |
490 | .dev_open = dev_open, |
491 | .dev_close = dev_close, | |
492 | .dev_acquisition_start = dev_acquisition_start, | |
493 | .dev_acquisition_stop = dev_acquisition_stop, | |
1644fb24 | 494 | .priv = NULL, |
b908f067 | 495 | }; |