2 * This file is part of the libsigrok project.
4 * Copyright (C) 2015 Martin Lederhilger <martin.lederhilger@gmx.at>
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 3 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, see <http://www.gnu.org/licenses/>.
23 static const uint32_t scanopts[] = {
28 static const uint32_t drvopts[] = {
32 static const uint32_t devopts[] = {
33 SR_CONF_LIMIT_FRAMES | SR_CONF_SET,
34 SR_CONF_SAMPLERATE | SR_CONF_GET,
37 static struct sr_dev_driver gwinstek_gds_800_driver_info;
39 static struct sr_dev_inst *probe_device(struct sr_scpi_dev_inst *scpi)
41 struct dev_context *devc;
42 struct sr_dev_inst *sdi;
43 struct sr_scpi_hw_info *hw_info;
44 struct sr_channel_group *cg;
46 if (sr_scpi_get_hw_id(scpi, &hw_info) != SR_OK) {
47 sr_info("Couldn't get IDN response.");
51 if (strcmp(hw_info->manufacturer, "GW") != 0 ||
52 strncmp(hw_info->model, "GDS-8", 5) != 0) {
53 sr_scpi_hw_info_free(hw_info);
57 sdi = g_malloc0(sizeof(struct sr_dev_inst));
58 sdi->vendor = g_strdup(hw_info->manufacturer);
59 sdi->model = g_strdup(hw_info->model);
60 sdi->version = g_strdup(hw_info->firmware_version);
62 sdi->driver = &gwinstek_gds_800_driver_info;
63 sdi->inst_type = SR_INST_SCPI;
64 sdi->serial_num = g_strdup(hw_info->serial_number);
66 sdi->channel_groups = NULL;
68 sr_scpi_hw_info_free(hw_info);
70 devc = g_malloc0(sizeof(struct dev_context));
71 devc->frame_limit = 1;
72 devc->sample_rate = 0.0;
73 devc->df_started = FALSE;
76 sr_channel_new(sdi, 0, SR_CHANNEL_ANALOG, TRUE, "CH1");
77 sr_channel_new(sdi, 1, SR_CHANNEL_ANALOG, TRUE, "CH2");
79 cg = g_malloc0(sizeof(struct sr_channel_group));
80 cg->name = g_strdup("");
81 cg->channels = g_slist_append(cg->channels, g_slist_nth_data(sdi->channels, 0));
82 cg->channels = g_slist_append(cg->channels, g_slist_nth_data(sdi->channels, 1));
84 sdi->channel_groups = g_slist_append(NULL, cg);
89 static GSList *scan(struct sr_dev_driver *di, GSList *options)
91 return sr_scpi_scan(di->context, options, probe_device);
94 static int dev_open(struct sr_dev_inst *sdi)
97 struct sr_scpi_dev_inst *scpi = sdi->conn;
99 if ((ret = sr_scpi_open(scpi)) < 0) {
100 sr_err("Failed to open SCPI device: %s.", sr_strerror(ret));
107 static int dev_close(struct sr_dev_inst *sdi)
109 struct sr_scpi_dev_inst *scpi;
116 return sr_scpi_close(scpi);
119 static int config_get(uint32_t key, GVariant **data,
120 const struct sr_dev_inst *sdi, const struct sr_channel_group *cg)
122 struct dev_context *devc;
132 case SR_CONF_SAMPLERATE:
133 *data = g_variant_new_uint64(devc->sample_rate);
142 static int config_set(uint32_t key, GVariant *data,
143 const struct sr_dev_inst *sdi, const struct sr_channel_group *cg)
145 struct dev_context *devc;
155 case SR_CONF_LIMIT_FRAMES:
156 devc->frame_limit = g_variant_get_uint64(data);
165 static int config_list(uint32_t key, GVariant **data,
166 const struct sr_dev_inst *sdi, const struct sr_channel_group *cg)
168 return STD_CONFIG_LIST(key, data, sdi, cg, scanopts, drvopts, devopts);
171 static int dev_acquisition_start(const struct sr_dev_inst *sdi)
173 struct sr_scpi_dev_inst *scpi;
174 struct dev_context *devc;
179 devc->state = START_ACQUISITION;
180 devc->cur_acq_frame = 0;
182 sr_scpi_source_add(sdi->session, scpi, G_IO_IN, 50,
183 gwinstek_gds_800_receive_data, (void *)sdi);
188 static int dev_acquisition_stop(struct sr_dev_inst *sdi)
190 struct sr_scpi_dev_inst *scpi;
191 struct dev_context *devc;
192 struct sr_datafeed_packet packet;
197 if (devc->df_started) {
198 packet.type = SR_DF_FRAME_END;
199 sr_session_send(sdi, &packet);
201 std_session_send_df_end(sdi);
203 devc->df_started = FALSE;
206 sr_scpi_source_remove(sdi->session, scpi);
211 static struct sr_dev_driver gwinstek_gds_800_driver_info = {
212 .name = "gwinstek-gds-800",
213 .longname = "GW Instek GDS-800 series",
216 .cleanup = std_cleanup,
218 .dev_list = std_dev_list,
219 .dev_clear = std_dev_clear,
220 .config_get = config_get,
221 .config_set = config_set,
222 .config_list = config_list,
223 .dev_open = dev_open,
224 .dev_close = dev_close,
225 .dev_acquisition_start = dev_acquisition_start,
226 .dev_acquisition_stop = dev_acquisition_stop,
229 SR_REGISTER_DEV_DRIVER(gwinstek_gds_800_driver_info);