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 SR_PRIV struct sr_dev_driver gwinstek_gds_800_driver_info;
36 static int init(struct sr_dev_driver *di, struct sr_context *sr_ctx)
38 return std_init(di, sr_ctx, LOG_PREFIX);
41 static struct sr_dev_inst *probe_device(struct sr_scpi_dev_inst *scpi)
43 struct dev_context *devc;
44 struct sr_dev_inst *sdi;
45 struct sr_scpi_hw_info *hw_info;
46 struct sr_channel_group *cg;
48 if (sr_scpi_get_hw_id(scpi, &hw_info) != SR_OK) {
49 sr_info("Couldn't get IDN response.");
53 if (strcmp(hw_info->manufacturer, "GW") != 0 ||
54 strncmp(hw_info->model, "GDS-8", 5) != 0) {
55 sr_scpi_hw_info_free(hw_info);
59 sdi = g_malloc0(sizeof(struct sr_dev_inst));
60 sdi->vendor = g_strdup(hw_info->manufacturer);
61 sdi->model = g_strdup(hw_info->model);
62 sdi->version = g_strdup(hw_info->firmware_version);
64 sdi->driver = &gwinstek_gds_800_driver_info;
65 sdi->inst_type = SR_INST_SCPI;
66 sdi->serial_num = g_strdup(hw_info->serial_number);
68 sdi->channel_groups = NULL;
70 sr_scpi_hw_info_free(hw_info);
72 devc = g_malloc0(sizeof(struct dev_context));
73 devc->frame_limit = 1;
74 devc->sample_rate = 0.;
75 devc->df_started = FALSE;
78 sr_channel_new(sdi, 0, SR_CHANNEL_ANALOG, TRUE, "CH1");
79 sr_channel_new(sdi, 1, SR_CHANNEL_ANALOG, TRUE, "CH2");
81 cg = g_malloc0(sizeof(struct sr_channel_group));
82 cg->name = g_strdup("");
83 cg->channels = g_slist_append(cg->channels, g_slist_nth_data(sdi->channels, 0));
84 cg->channels = g_slist_append(cg->channels, g_slist_nth_data(sdi->channels, 1));
86 sdi->channel_groups = g_slist_append(NULL, cg);
91 static GSList *scan(struct sr_dev_driver *di, GSList *options)
93 return sr_scpi_scan(di->context, options, probe_device);
96 static int dev_open(struct sr_dev_inst *sdi)
99 struct sr_scpi_dev_inst *scpi = sdi->conn;
101 if ((ret = sr_scpi_open(scpi)) < 0) {
102 sr_err("Failed to open SCPI device: %s.", sr_strerror(ret));
106 sdi->status = SR_ST_ACTIVE;
111 static int dev_close(struct sr_dev_inst *sdi)
113 struct sr_scpi_dev_inst *scpi;
115 if (sdi->status != SR_ST_ACTIVE)
116 return SR_ERR_DEV_CLOSED;
120 if (sr_scpi_close(scpi) < 0)
122 sdi->status = SR_ST_INACTIVE;
128 static int config_get(uint32_t key, GVariant **data, const struct sr_dev_inst *sdi,
129 const struct sr_channel_group *cg)
131 struct dev_context *devc;
135 if (!sdi || !(devc = sdi->priv))
139 case SR_CONF_SAMPLERATE:
140 *data = g_variant_new_uint64(devc->sample_rate);
149 static int config_set(uint32_t key, GVariant *data, const struct sr_dev_inst *sdi,
150 const struct sr_channel_group *cg)
152 struct dev_context *devc;
156 if (!sdi || !(devc = sdi->priv))
159 if (sdi->status != SR_ST_ACTIVE)
160 return SR_ERR_DEV_CLOSED;
163 case SR_CONF_LIMIT_FRAMES:
164 devc->frame_limit = g_variant_get_uint64(data);
173 static int config_list(uint32_t key, GVariant **data, const struct sr_dev_inst *sdi,
174 const struct sr_channel_group *cg)
180 case SR_CONF_SCAN_OPTIONS:
181 *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32,
182 scanopts, ARRAY_SIZE(scanopts), sizeof(uint32_t));
184 case SR_CONF_DEVICE_OPTIONS:
185 *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32,
186 devopts, ARRAY_SIZE(devopts), sizeof(uint32_t));
195 static int dev_acquisition_start(const struct sr_dev_inst *sdi)
197 struct sr_scpi_dev_inst *scpi;
198 struct dev_context *devc;
203 if (sdi->status != SR_ST_ACTIVE)
204 return SR_ERR_DEV_CLOSED;
206 devc->state = START_ACQUISITION;
207 devc->cur_acq_frame = 0;
209 sr_scpi_source_add(sdi->session, scpi, G_IO_IN, 50,
210 gwinstek_gds_800_receive_data, (void *)sdi);
215 static int dev_acquisition_stop(struct sr_dev_inst *sdi)
217 struct sr_scpi_dev_inst *scpi;
218 struct dev_context *devc;
219 struct sr_datafeed_packet packet;
224 if (sdi->status != SR_ST_ACTIVE) {
225 sr_err("Device inactive, can't stop acquisition.");
229 if (devc->df_started) {
230 packet.type = SR_DF_FRAME_END;
231 sr_session_send(sdi, &packet);
233 std_session_send_df_end(sdi, LOG_PREFIX);
235 devc->df_started = FALSE;
238 sr_scpi_source_remove(sdi->session, scpi);
243 SR_PRIV struct sr_dev_driver gwinstek_gds_800_driver_info = {
244 .name = "gwinstek-gds-800",
245 .longname = "GW Instek GDS-800 series",
248 .cleanup = std_cleanup,
250 .dev_list = std_dev_list,
251 .config_get = config_get,
252 .config_set = config_set,
253 .config_list = config_list,
254 .dev_open = dev_open,
255 .dev_close = dev_close,
256 .dev_acquisition_start = dev_acquisition_start,
257 .dev_acquisition_stop = dev_acquisition_stop,