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 if (dmm == UNI_T_UT61D)
62 else if (dmm == VOLTCRAFT_VC820)
64 sr_dbg("Selected '%s' subdriver.", di->name);
66 return std_hw_init(sr_ctx, di, DRIVER_LOG_DOMAIN);
69 static int hw_init_ut61d(struct sr_context *sr_ctx)
71 return hw_init(sr_ctx, UNI_T_UT61D);
74 static int hw_init_vc820(struct sr_context *sr_ctx)
76 return hw_init(sr_ctx, VOLTCRAFT_VC820);
79 static GSList *hw_scan(GSList *options)
81 GSList *usb_devices, *devices, *l;
82 struct sr_dev_inst *sdi;
83 struct dev_context *devc;
84 struct drv_context *drvc;
85 struct sr_usb_dev_inst *usb;
86 struct sr_config *src;
87 struct sr_probe *probe;
94 /* USB scan is always authoritative. */
98 for (l = options; l; l = l->next) {
107 conn = UNI_T_UT_D04_NEW;
110 if (!(usb_devices = sr_usb_find(drvc->sr_ctx->libusb_ctx, conn))) {
111 g_slist_free_full(usb_devices, g_free);
115 for (l = usb_devices; l; l = l->next) {
118 if (!(devc = g_try_malloc0(sizeof(struct dev_context)))) {
119 sr_err("Device context malloc failed.");
123 if (!(sdi = sr_dev_inst_new(0, SR_ST_INACTIVE,
124 di->longname, NULL, NULL))) {
125 sr_err("sr_dev_inst_new returned NULL.");
130 if (!(probe = sr_probe_new(0, SR_PROBE_ANALOG, TRUE, "P1")))
132 sdi->probes = g_slist_append(sdi->probes, probe);
136 drvc->instances = g_slist_append(drvc->instances, sdi);
137 devices = g_slist_append(devices, sdi);
143 static GSList *hw_dev_list(void)
145 return ((struct drv_context *)(di->priv))->instances;
148 static int hw_dev_open(struct sr_dev_inst *sdi)
150 struct drv_context *drvc;
151 struct dev_context *devc;
156 return sr_usb_open(drvc->sr_ctx->libusb_ctx, devc->usb);
159 static int hw_dev_close(struct sr_dev_inst *sdi)
168 static int hw_cleanup(void)
175 static int config_set(int id, const void *value, const struct sr_dev_inst *sdi)
177 struct dev_context *devc;
182 case SR_CONF_LIMIT_MSEC:
183 /* TODO: Not yet implemented. */
184 if (*(const uint64_t *)value == 0) {
185 sr_err("Time limit cannot be 0.");
188 devc->limit_msec = *(const uint64_t *)value;
189 sr_dbg("Setting time limit to %" PRIu64 "ms.",
192 case SR_CONF_LIMIT_SAMPLES:
193 if (*(const uint64_t *)value == 0) {
194 sr_err("Sample limit cannot be 0.");
197 devc->limit_samples = *(const uint64_t *)value;
198 sr_dbg("Setting sample limit to %" PRIu64 ".",
199 devc->limit_samples);
202 sr_err("Unknown capability: %d.", id);
210 static int config_list(int key, const void **data, const struct sr_dev_inst *sdi)
216 case SR_CONF_SCAN_OPTIONS:
219 case SR_CONF_DEVICE_OPTIONS:
229 static int hw_dev_acquisition_start(const struct sr_dev_inst *sdi,
232 struct dev_context *devc;
236 devc->cb_data = cb_data;
238 /* Send header packet to the session bus. */
239 std_session_send_df_header(cb_data, DRIVER_LOG_DOMAIN);
241 if (!strcmp(di->name, "uni-t-ut61d")) {
242 sr_source_add(0, 0, 10 /* poll_timeout */,
243 uni_t_ut61d_receive_data, (void *)sdi);
244 } else if (!strcmp(di->name, "voltcraft-vc820")) {
245 sr_source_add(0, 0, 10 /* poll_timeout */,
246 voltcraft_vc820_receive_data, (void *)sdi);
252 static int hw_dev_acquisition_stop(struct sr_dev_inst *sdi, void *cb_data)
254 struct sr_datafeed_packet packet;
258 sr_dbg("Stopping acquisition.");
260 /* Send end packet to the session bus. */
261 sr_dbg("Sending SR_DF_END.");
262 packet.type = SR_DF_END;
263 sr_session_send(cb_data, &packet);
271 SR_PRIV struct sr_dev_driver uni_t_ut61d_driver_info = {
272 .name = "uni-t-ut61d",
273 .longname = "UNI-T UT61D",
275 .init = hw_init_ut61d,
276 .cleanup = hw_cleanup,
278 .dev_list = hw_dev_list,
279 .dev_clear = clear_instances,
281 .config_set = config_set,
282 .config_list = config_list,
283 .dev_open = hw_dev_open,
284 .dev_close = hw_dev_close,
285 .dev_acquisition_start = hw_dev_acquisition_start,
286 .dev_acquisition_stop = hw_dev_acquisition_stop,
290 SR_PRIV struct sr_dev_driver voltcraft_vc820_driver_info = {
291 .name = "voltcraft-vc820",
292 .longname = "Voltcraft VC-820",
294 .init = hw_init_vc820,
295 .cleanup = hw_cleanup,
297 .dev_list = hw_dev_list,
298 .dev_clear = clear_instances,
300 .config_set = config_set,
301 .config_list = config_list,
302 .dev_open = hw_dev_open,
303 .dev_close = hw_dev_close,
304 .dev_acquisition_start = hw_dev_acquisition_start,
305 .dev_acquisition_stop = hw_dev_acquisition_stop,