2 * This file is part of the libsigrok project.
4 * Copyright (C) 2012 Bert Vermeulen <bert@biot.com>
5 * Copyright (C) 2017 John Chajecki <subs@qcontinuum.plus.com>
7 * This program is free software: you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation, either version 3 of the License, or
10 * (at your option) any later version.
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
17 * You should have received a copy of the GNU General Public License
18 * along with this program. If not, see <http://www.gnu.org/licenses/>.
23 #include <sys/types.h>
29 #include <libsigrok/libsigrok.h>
30 #include "libsigrok-internal.h"
34 static const uint32_t scanopts[] = {
39 static const uint32_t drvopts[] = {
43 static const uint32_t devopts[] = {
45 SR_CONF_LIMIT_SAMPLES | SR_CONF_SET,
46 SR_CONF_LIMIT_MSEC | SR_CONF_SET,
49 /* Vendor, model, number of channels, poll period */
50 static const struct fluke_scpi_dmm_model supported_models[] = {
51 { "FLUKE", "45", 2, 0 },
54 static struct sr_dev_driver fluke_45_driver_info;
56 static struct sr_dev_inst *probe_device(struct sr_scpi_dev_inst *scpi)
58 struct dev_context *devc;
59 struct sr_dev_inst *sdi;
60 struct sr_scpi_hw_info *hw_info;
61 const struct scpi_command *cmdset = fluke_45_cmdset;
63 const struct fluke_scpi_dmm_model *model = NULL;
67 if (sr_scpi_get_hw_id(scpi, &hw_info) != SR_OK) {
68 sr_scpi_hw_info_free(hw_info);
69 sr_info("Couldn't get IDN response, retrying.");
72 if (sr_scpi_get_hw_id(scpi, &hw_info) != SR_OK) {
73 sr_scpi_hw_info_free(hw_info);
74 sr_info("Couldn't get IDN response.");
80 for (i = 0; i < ARRAY_SIZE(supported_models); i++) {
81 if (!g_ascii_strcasecmp(hw_info->manufacturer,
82 supported_models[i].vendor) &&
83 !strcmp(hw_info->model, supported_models[i].model)) {
84 model = &supported_models[i];
89 sr_scpi_hw_info_free(hw_info);
93 /* Set up device parameters. */
94 sdi = g_malloc0(sizeof(struct sr_dev_inst));
95 sdi->vendor = g_strdup(model->vendor);
96 sdi->model = g_strdup(model->model);
97 sdi->version = g_strdup(hw_info->firmware_version);
98 sdi->serial_num = g_strdup(hw_info->serial_number);
100 sdi->driver = &fluke_45_driver_info;
101 sdi->inst_type = SR_INST_SCPI;
102 sr_scpi_hw_info_free(hw_info);
104 devc = g_malloc0(sizeof(struct dev_context));
105 devc->num_channels = model->num_channels;
106 devc->cmdset = cmdset;
109 /* Create channels. */
110 for (i = 0; i < devc->num_channels; i++) {
111 channel_name = g_strdup_printf("P%d", i + 1);
112 sr_channel_new(sdi, 0, SR_CHANNEL_ANALOG, TRUE, channel_name);
118 static GSList *scan(struct sr_dev_driver *di, GSList *options)
120 return sr_scpi_scan(di->context, options, probe_device);
123 static int dev_open(struct sr_dev_inst *sdi)
125 struct sr_scpi_dev_inst *scpi;
130 if ((ret = sr_scpi_open(scpi) < 0)) {
131 sr_err("Failed to open SCPI device: %s.", sr_strerror(ret));
138 static int dev_close(struct sr_dev_inst *sdi)
140 struct sr_scpi_dev_inst *scpi;
147 return sr_scpi_close(scpi);
150 static int config_set(uint32_t key, GVariant *data,
151 const struct sr_dev_inst *sdi, const struct sr_channel_group *cg)
153 struct dev_context *devc;
159 return sr_sw_limits_config_set(&devc->limits, key, data);
162 static int config_list(uint32_t key, GVariant **data,
163 const struct sr_dev_inst *sdi, const struct sr_channel_group *cg)
165 return STD_CONFIG_LIST(key, data, sdi, cg, scanopts, drvopts, devopts);
168 static int config_get(uint32_t key, GVariant **data,
169 const struct sr_dev_inst *sdi, const struct sr_channel_group *cg)
171 struct dev_context *devc = sdi->priv;
175 return sr_sw_limits_config_get(&devc->limits, key, data);
178 static int dev_acquisition_start(const struct sr_dev_inst *sdi)
180 struct sr_scpi_dev_inst *scpi;
181 struct dev_context *devc;
187 sr_sw_limits_acquisition_start(&devc->limits);
188 std_session_send_df_header(sdi);
190 if ((ret = sr_scpi_source_add(sdi->session, scpi, G_IO_IN, 10,
191 fl45_scpi_receive_data, (void *)sdi)) != SR_OK)
197 static int dev_acquisition_stop(struct sr_dev_inst *sdi)
199 struct sr_scpi_dev_inst *scpi;
205 * A requested value is certainly on the way. Retrieve it now,
206 * to avoid leaving the device in a state where it's not expecting
209 sr_scpi_get_double(scpi, NULL, &d);
210 sr_scpi_source_remove(sdi->session, scpi);
212 std_session_send_df_end(sdi);
217 static struct sr_dev_driver fluke_45_driver_info = {
219 .longname = "Fluke 45",
222 .cleanup = std_cleanup,
224 .dev_list = std_dev_list,
225 .dev_clear = std_dev_clear,
226 .config_get = config_get,
227 .config_set = config_set,
228 .config_list = config_list,
229 .dev_open = dev_open,
230 .dev_close = dev_close,
231 .dev_acquisition_start = dev_acquisition_start,
232 .dev_acquisition_stop = dev_acquisition_stop,
235 SR_REGISTER_DEV_DRIVER(fluke_45_driver_info);