2 * This file is part of the sigrok project.
4 * Copyright (C) 2012 Uwe Hermann <uwe@hermann-uwe.de>
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.
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.
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
23 #include "libsigrok.h"
24 #include "libsigrok-internal.h"
27 #define UNI_T_UT_D04_NEW "1a86.e008"
29 static const int hwopts[] = {
34 static const int hwcaps[] = {
36 SR_CONF_LIMIT_SAMPLES,
42 SR_PRIV struct sr_dev_driver uni_t_ut61d_driver_info;
43 SR_PRIV struct sr_dev_driver voltcraft_vc820_driver_info;
45 static struct sr_dev_driver *di_ut61d = &uni_t_ut61d_driver_info;
46 static struct sr_dev_driver *di_vc820 = &voltcraft_vc820_driver_info;
48 /* After hw_init() this will point to a device-specific entry (see above). */
49 static struct sr_dev_driver *di = NULL;
51 static int clear_instances(void)
53 /* TODO: Use common code later. */
58 static int hw_init(struct sr_context *sr_ctx, int dmm)
60 struct drv_context *drvc;
62 if (!(drvc = g_try_malloc0(sizeof(struct drv_context)))) {
63 sr_err("Driver context malloc failed.");
67 if (dmm == UNI_T_UT61D)
69 else if (dmm == VOLTCRAFT_VC820)
71 sr_dbg("Selected '%s' subdriver.", di->name);
73 drvc->sr_ctx = sr_ctx;
79 static int hw_init_ut61d(struct sr_context *sr_ctx)
81 return hw_init(sr_ctx, UNI_T_UT61D);
84 static int hw_init_vc820(struct sr_context *sr_ctx)
86 return hw_init(sr_ctx, VOLTCRAFT_VC820);
89 static GSList *hw_scan(GSList *options)
91 GSList *usb_devices, *devices, *l;
92 struct sr_dev_inst *sdi;
93 struct dev_context *devc;
94 struct drv_context *drvc;
95 struct sr_usb_dev_inst *usb;
96 struct sr_config *src;
97 struct sr_probe *probe;
104 /* USB scan is always authoritative. */
108 for (l = options; l; l = l->next) {
117 conn = UNI_T_UT_D04_NEW;
120 if (!(usb_devices = sr_usb_find(drvc->sr_ctx->libusb_ctx, conn))) {
121 g_slist_free_full(usb_devices, g_free);
125 for (l = usb_devices; l; l = l->next) {
128 if (!(devc = g_try_malloc0(sizeof(struct dev_context)))) {
129 sr_err("Device context malloc failed.");
133 if (!(sdi = sr_dev_inst_new(0, SR_ST_INACTIVE,
134 di->longname, NULL, NULL))) {
135 sr_err("sr_dev_inst_new returned NULL.");
140 if (!(probe = sr_probe_new(0, SR_PROBE_ANALOG, TRUE, "P1")))
142 sdi->probes = g_slist_append(sdi->probes, probe);
146 drvc->instances = g_slist_append(drvc->instances, sdi);
147 devices = g_slist_append(devices, sdi);
153 static GSList *hw_dev_list(void)
155 struct drv_context *drvc;
159 return drvc->instances;
162 static int hw_dev_open(struct sr_dev_inst *sdi)
164 struct drv_context *drvc;
165 struct dev_context *devc;
170 return sr_usb_open(drvc->sr_ctx->libusb_ctx, devc->usb);
173 static int hw_dev_close(struct sr_dev_inst *sdi)
182 static int hw_cleanup(void)
189 static int config_get(int id, const void **data, const struct sr_dev_inst *sdi)
193 sr_spew("Backend requested info_id %d.", id);
201 sr_spew("%s: Returning hwcaps.", __func__);
203 case SR_DI_SAMPLERATES:
204 /* TODO: Get rid of this. */
206 sr_spew("%s: Returning samplerates.", __func__);
209 case SR_DI_CUR_SAMPLERATE:
210 /* TODO: Get rid of this. */
212 sr_spew("%s: Returning current samplerate.", __func__);
223 static int config_set(int id, const void *value, const struct sr_dev_inst *sdi)
225 struct dev_context *devc;
230 case SR_CONF_LIMIT_MSEC:
231 /* TODO: Not yet implemented. */
232 if (*(const uint64_t *)value == 0) {
233 sr_err("Time limit cannot be 0.");
236 devc->limit_msec = *(const uint64_t *)value;
237 sr_dbg("Setting time limit to %" PRIu64 "ms.",
240 case SR_CONF_LIMIT_SAMPLES:
241 if (*(const uint64_t *)value == 0) {
242 sr_err("Sample limit cannot be 0.");
245 devc->limit_samples = *(const uint64_t *)value;
246 sr_dbg("Setting sample limit to %" PRIu64 ".",
247 devc->limit_samples);
250 sr_err("Unknown capability: %d.", id);
258 static int hw_dev_acquisition_start(const struct sr_dev_inst *sdi,
261 struct sr_datafeed_packet packet;
262 struct sr_datafeed_header header;
263 struct dev_context *devc;
267 sr_dbg("Starting acquisition.");
269 devc->cb_data = cb_data;
271 /* Send header packet to the session bus. */
272 sr_dbg("Sending SR_DF_HEADER.");
273 packet.type = SR_DF_HEADER;
274 packet.payload = (uint8_t *)&header;
275 header.feed_version = 1;
276 gettimeofday(&header.starttime, NULL);
277 sr_session_send(devc->cb_data, &packet);
279 if (!strcmp(di->name, "uni-t-ut61d")) {
280 sr_source_add(0, 0, 10 /* poll_timeout */,
281 uni_t_ut61d_receive_data, (void *)sdi);
282 } else if (!strcmp(di->name, "voltcraft-vc820")) {
283 sr_source_add(0, 0, 10 /* poll_timeout */,
284 voltcraft_vc820_receive_data, (void *)sdi);
290 static int hw_dev_acquisition_stop(struct sr_dev_inst *sdi, void *cb_data)
292 struct sr_datafeed_packet packet;
296 sr_dbg("Stopping acquisition.");
298 /* Send end packet to the session bus. */
299 sr_dbg("Sending SR_DF_END.");
300 packet.type = SR_DF_END;
301 sr_session_send(cb_data, &packet);
309 SR_PRIV struct sr_dev_driver uni_t_ut61d_driver_info = {
310 .name = "uni-t-ut61d",
311 .longname = "UNI-T UT61D",
313 .init = hw_init_ut61d,
314 .cleanup = hw_cleanup,
316 .dev_list = hw_dev_list,
317 .dev_clear = clear_instances,
318 .config_get = config_get,
319 .config_set = config_set,
320 .dev_open = hw_dev_open,
321 .dev_close = hw_dev_close,
322 .dev_acquisition_start = hw_dev_acquisition_start,
323 .dev_acquisition_stop = hw_dev_acquisition_stop,
327 SR_PRIV struct sr_dev_driver voltcraft_vc820_driver_info = {
328 .name = "voltcraft-vc820",
329 .longname = "Voltcraft VC-820",
331 .init = hw_init_vc820,
332 .cleanup = hw_cleanup,
334 .dev_list = hw_dev_list,
335 .dev_clear = clear_instances,
336 .config_get = config_get,
337 .config_set = config_set,
338 .dev_open = hw_dev_open,
339 .dev_close = hw_dev_close,
340 .dev_acquisition_start = hw_dev_acquisition_start,
341 .dev_acquisition_stop = hw_dev_acquisition_stop,