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 int32_t hwopts[] = {
33 static const int32_t hwcaps[] = {
35 SR_CONF_LIMIT_SAMPLES,
40 SR_PRIV struct sr_dev_driver uni_t_ut61d_driver_info;
41 SR_PRIV struct sr_dev_driver voltcraft_vc820_driver_info;
43 static struct sr_dev_driver *di_ut61d = &uni_t_ut61d_driver_info;
44 static struct sr_dev_driver *di_vc820 = &voltcraft_vc820_driver_info;
46 /* After hw_init() this will point to a device-specific entry (see above). */
47 static struct sr_dev_driver *di = NULL;
49 static int clear_instances(void)
51 /* TODO: Use common code later. */
56 static int hw_init(struct sr_context *sr_ctx, int dmm)
58 if (dmm == UNI_T_UT61D)
60 else if (dmm == VOLTCRAFT_VC820)
62 sr_dbg("Selected '%s' subdriver.", di->name);
64 return std_hw_init(sr_ctx, di, DRIVER_LOG_DOMAIN);
67 static int hw_init_ut61d(struct sr_context *sr_ctx)
69 return hw_init(sr_ctx, UNI_T_UT61D);
72 static int hw_init_vc820(struct sr_context *sr_ctx)
74 return hw_init(sr_ctx, VOLTCRAFT_VC820);
77 static GSList *hw_scan(GSList *options)
79 GSList *usb_devices, *devices, *l;
80 struct sr_dev_inst *sdi;
81 struct dev_context *devc;
82 struct drv_context *drvc;
83 struct sr_usb_dev_inst *usb;
84 struct sr_config *src;
85 struct sr_probe *probe;
92 /* USB scan is always authoritative. */
96 for (l = options; l; l = l->next) {
100 conn = g_variant_get_string(src->data, NULL);
105 conn = UNI_T_UT_D04_NEW;
108 if (!(usb_devices = sr_usb_find(drvc->sr_ctx->libusb_ctx, conn))) {
109 g_slist_free_full(usb_devices, g_free);
113 for (l = usb_devices; l; l = l->next) {
116 if (!(devc = g_try_malloc0(sizeof(struct dev_context)))) {
117 sr_err("Device context malloc failed.");
121 if (!(sdi = sr_dev_inst_new(0, SR_ST_INACTIVE,
122 di->longname, NULL, NULL))) {
123 sr_err("sr_dev_inst_new returned NULL.");
128 if (!(probe = sr_probe_new(0, SR_PROBE_ANALOG, TRUE, "P1")))
130 sdi->probes = g_slist_append(sdi->probes, probe);
134 drvc->instances = g_slist_append(drvc->instances, sdi);
135 devices = g_slist_append(devices, sdi);
141 static GSList *hw_dev_list(void)
143 return ((struct drv_context *)(di->priv))->instances;
146 static int hw_dev_open(struct sr_dev_inst *sdi)
148 struct drv_context *drvc;
149 struct dev_context *devc;
154 return sr_usb_open(drvc->sr_ctx->libusb_ctx, devc->usb);
157 static int hw_dev_close(struct sr_dev_inst *sdi)
166 static int hw_cleanup(void)
173 static int config_set(int id, GVariant *data, const struct sr_dev_inst *sdi)
175 struct dev_context *devc;
180 case SR_CONF_LIMIT_MSEC:
181 /* TODO: Not yet implemented. */
182 if (g_variant_get_uint64(data) == 0) {
183 sr_err("Time limit cannot be 0.");
186 devc->limit_msec = g_variant_get_uint64(data);
187 sr_dbg("Setting time limit to %" PRIu64 "ms.",
190 case SR_CONF_LIMIT_SAMPLES:
191 if (g_variant_get_uint64(data) == 0) {
192 sr_err("Sample limit cannot be 0.");
195 devc->limit_samples = g_variant_get_uint64(data);
196 sr_dbg("Setting sample limit to %" PRIu64 ".",
197 devc->limit_samples);
206 static int config_list(int key, GVariant **data, const struct sr_dev_inst *sdi)
212 case SR_CONF_SCAN_OPTIONS:
213 *data = g_variant_new_fixed_array(G_VARIANT_TYPE_INT32,
214 hwopts, ARRAY_SIZE(hwopts), sizeof(int32_t));
216 case SR_CONF_DEVICE_OPTIONS:
217 *data = g_variant_new_fixed_array(G_VARIANT_TYPE_INT32,
218 hwcaps, ARRAY_SIZE(hwcaps), sizeof(int32_t));
227 static int hw_dev_acquisition_start(const struct sr_dev_inst *sdi,
230 struct dev_context *devc;
234 devc->cb_data = cb_data;
236 /* Send header packet to the session bus. */
237 std_session_send_df_header(cb_data, DRIVER_LOG_DOMAIN);
239 if (!strcmp(di->name, "uni-t-ut61d")) {
240 sr_source_add(0, 0, 10 /* poll_timeout */,
241 uni_t_ut61d_receive_data, (void *)sdi);
242 } else if (!strcmp(di->name, "voltcraft-vc820")) {
243 sr_source_add(0, 0, 10 /* poll_timeout */,
244 voltcraft_vc820_receive_data, (void *)sdi);
250 static int hw_dev_acquisition_stop(struct sr_dev_inst *sdi, void *cb_data)
252 struct sr_datafeed_packet packet;
256 sr_dbg("Stopping acquisition.");
258 /* Send end packet to the session bus. */
259 sr_dbg("Sending SR_DF_END.");
260 packet.type = SR_DF_END;
261 sr_session_send(cb_data, &packet);
269 SR_PRIV struct sr_dev_driver uni_t_ut61d_driver_info = {
270 .name = "uni-t-ut61d",
271 .longname = "UNI-T UT61D",
273 .init = hw_init_ut61d,
274 .cleanup = hw_cleanup,
276 .dev_list = hw_dev_list,
277 .dev_clear = clear_instances,
279 .config_set = config_set,
280 .config_list = config_list,
281 .dev_open = hw_dev_open,
282 .dev_close = hw_dev_close,
283 .dev_acquisition_start = hw_dev_acquisition_start,
284 .dev_acquisition_stop = hw_dev_acquisition_stop,
288 SR_PRIV struct sr_dev_driver voltcraft_vc820_driver_info = {
289 .name = "voltcraft-vc820",
290 .longname = "Voltcraft VC-820",
292 .init = hw_init_vc820,
293 .cleanup = hw_cleanup,
295 .dev_list = hw_dev_list,
296 .dev_clear = clear_instances,
298 .config_set = config_set,
299 .config_list = config_list,
300 .dev_open = hw_dev_open,
301 .dev_close = hw_dev_close,
302 .dev_acquisition_start = hw_dev_acquisition_start,
303 .dev_acquisition_stop = hw_dev_acquisition_stop,