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 devopts[] = {
30 SR_CONF_LIMIT_FRAMES | SR_CONF_SET,
31 SR_CONF_SAMPLERATE | SR_CONF_GET,
34 static struct sr_dev_driver gwinstek_gds_800_driver_info;
36 static struct sr_dev_inst *probe_device(struct sr_scpi_dev_inst *scpi)
38 struct dev_context *devc;
39 struct sr_dev_inst *sdi;
40 struct sr_scpi_hw_info *hw_info;
41 struct sr_channel_group *cg;
43 if (sr_scpi_get_hw_id(scpi, &hw_info) != SR_OK) {
44 sr_info("Couldn't get IDN response.");
48 if (strcmp(hw_info->manufacturer, "GW") != 0 ||
49 strncmp(hw_info->model, "GDS-8", 5) != 0) {
50 sr_scpi_hw_info_free(hw_info);
54 sdi = g_malloc0(sizeof(struct sr_dev_inst));
55 sdi->vendor = g_strdup(hw_info->manufacturer);
56 sdi->model = g_strdup(hw_info->model);
57 sdi->version = g_strdup(hw_info->firmware_version);
59 sdi->driver = &gwinstek_gds_800_driver_info;
60 sdi->inst_type = SR_INST_SCPI;
61 sdi->serial_num = g_strdup(hw_info->serial_number);
63 sdi->channel_groups = NULL;
65 sr_scpi_hw_info_free(hw_info);
67 devc = g_malloc0(sizeof(struct dev_context));
68 devc->frame_limit = 1;
69 devc->sample_rate = 0.0;
70 devc->df_started = FALSE;
73 sr_channel_new(sdi, 0, SR_CHANNEL_ANALOG, TRUE, "CH1");
74 sr_channel_new(sdi, 1, SR_CHANNEL_ANALOG, TRUE, "CH2");
76 cg = g_malloc0(sizeof(struct sr_channel_group));
77 cg->name = g_strdup("");
78 cg->channels = g_slist_append(cg->channels, g_slist_nth_data(sdi->channels, 0));
79 cg->channels = g_slist_append(cg->channels, g_slist_nth_data(sdi->channels, 1));
81 sdi->channel_groups = g_slist_append(NULL, cg);
86 static GSList *scan(struct sr_dev_driver *di, GSList *options)
88 return sr_scpi_scan(di->context, options, probe_device);
91 static int dev_open(struct sr_dev_inst *sdi)
94 struct sr_scpi_dev_inst *scpi = sdi->conn;
96 if ((ret = sr_scpi_open(scpi)) < 0) {
97 sr_err("Failed to open SCPI device: %s.", sr_strerror(ret));
104 static int dev_close(struct sr_dev_inst *sdi)
106 struct sr_scpi_dev_inst *scpi;
110 if (sr_scpi_close(scpi) < 0)
112 sdi->status = SR_ST_INACTIVE;
118 static int config_get(uint32_t key, GVariant **data, const struct sr_dev_inst *sdi,
119 const struct sr_channel_group *cg)
121 struct dev_context *devc;
131 case SR_CONF_SAMPLERATE:
132 *data = g_variant_new_uint64(devc->sample_rate);
141 static int config_set(uint32_t key, GVariant *data, const struct sr_dev_inst *sdi,
142 const struct sr_channel_group *cg)
144 struct dev_context *devc;
154 case SR_CONF_LIMIT_FRAMES:
155 devc->frame_limit = g_variant_get_uint64(data);
164 static int config_list(uint32_t key, GVariant **data, const struct sr_dev_inst *sdi,
165 const struct sr_channel_group *cg)
171 case SR_CONF_SCAN_OPTIONS:
172 *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32,
173 scanopts, ARRAY_SIZE(scanopts), sizeof(uint32_t));
175 case SR_CONF_DEVICE_OPTIONS:
176 *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32,
177 devopts, ARRAY_SIZE(devopts), sizeof(uint32_t));
186 static int dev_acquisition_start(const struct sr_dev_inst *sdi)
188 struct sr_scpi_dev_inst *scpi;
189 struct dev_context *devc;
194 devc->state = START_ACQUISITION;
195 devc->cur_acq_frame = 0;
197 sr_scpi_source_add(sdi->session, scpi, G_IO_IN, 50,
198 gwinstek_gds_800_receive_data, (void *)sdi);
203 static int dev_acquisition_stop(struct sr_dev_inst *sdi)
205 struct sr_scpi_dev_inst *scpi;
206 struct dev_context *devc;
207 struct sr_datafeed_packet packet;
212 if (devc->df_started) {
213 packet.type = SR_DF_FRAME_END;
214 sr_session_send(sdi, &packet);
216 std_session_send_df_end(sdi);
218 devc->df_started = FALSE;
221 sr_scpi_source_remove(sdi->session, scpi);
226 static struct sr_dev_driver gwinstek_gds_800_driver_info = {
227 .name = "gwinstek-gds-800",
228 .longname = "GW Instek GDS-800 series",
231 .cleanup = std_cleanup,
233 .dev_list = std_dev_list,
234 .config_get = config_get,
235 .config_set = config_set,
236 .config_list = config_list,
237 .dev_open = dev_open,
238 .dev_close = dev_close,
239 .dev_acquisition_start = dev_acquisition_start,
240 .dev_acquisition_stop = dev_acquisition_stop,
243 SR_REGISTER_DEV_DRIVER(gwinstek_gds_800_driver_info);