2 * This file is part of the libsigrok project.
4 * Copyright (C) 2018 Gerhard Sittig <gerhard.sittig@gmx.net>
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[] = {
27 static const uint32_t drvopts[] = {
31 static const uint32_t devopts[] = {
33 SR_CONF_LIMIT_SAMPLES | SR_CONF_GET | SR_CONF_SET,
34 SR_CONF_LIMIT_MSEC | SR_CONF_GET | SR_CONF_SET,
35 SR_CONF_MEASURED_QUANTITY | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST,
38 static const struct scpi_command cmdset_agilent[] = {
39 { DMM_CMD_SETUP_REMOTE, "\n", },
40 { DMM_CMD_SETUP_FUNC, "CONF:%s", },
41 { DMM_CMD_QUERY_FUNC, "CONF?", },
42 { DMM_CMD_START_ACQ, "MEAS", },
43 { DMM_CMD_STOP_ACQ, "ABORT", },
44 { DMM_CMD_QUERY_VALUE, "READ?", },
45 { DMM_CMD_QUERY_PREC, "CONF?", },
49 static const struct mqopt_item mqopts_agilent_5digit[] = {
50 { SR_MQ_VOLTAGE, SR_MQFLAG_DC, "VOLT:DC", "VOLT ", NO_DFLT_PREC, },
51 { SR_MQ_VOLTAGE, SR_MQFLAG_AC, "VOLT:AC", "VOLT:AC ", NO_DFLT_PREC, },
52 { SR_MQ_CURRENT, SR_MQFLAG_DC, "CURR:DC", "CURR ", NO_DFLT_PREC, },
53 { SR_MQ_CURRENT, SR_MQFLAG_AC, "CURR:AC", "CURR:AC ", NO_DFLT_PREC, },
54 { SR_MQ_RESISTANCE, 0, "RES", "RES ", NO_DFLT_PREC, },
55 { SR_MQ_RESISTANCE, SR_MQFLAG_FOUR_WIRE, "FRES", "FRES ", NO_DFLT_PREC, },
56 { SR_MQ_CONTINUITY, 0, "CONT", "CONT", -1, },
57 { SR_MQ_CAPACITANCE, 0, "CAP", "CAP ", NO_DFLT_PREC, },
58 { SR_MQ_VOLTAGE, SR_MQFLAG_DC | SR_MQFLAG_DIODE, "DIOD", "DIOD", -4, },
59 { SR_MQ_TEMPERATURE, 0, "TEMP", "TEMP ", NO_DFLT_PREC, },
60 { SR_MQ_FREQUENCY, 0, "FREQ", "FREQ ", NO_DFLT_PREC, },
63 SR_PRIV const struct scpi_dmm_model models[] = {
66 1, 5, cmdset_agilent, ARRAY_AND_SIZE(mqopts_agilent_5digit),
67 scpi_dmm_get_meas_agilent,
71 static const struct scpi_dmm_model *is_compatible(const char *vendor, const char *model)
74 const struct scpi_dmm_model *entry;
76 for (i = 0; i < ARRAY_SIZE(models); i++) {
78 if (!entry->vendor || !entry->model)
80 if (strcmp(vendor, entry->vendor) != 0)
82 if (strcmp(model, entry->model) != 0)
90 static struct sr_dev_inst *probe_device(struct sr_scpi_dev_inst *scpi)
92 struct sr_scpi_hw_info *hw_info;
95 const struct scpi_dmm_model *model;
96 struct sr_dev_inst *sdi;
97 struct dev_context *devc;
101 ret = sr_scpi_get_hw_id(scpi, &hw_info);
102 scpi_dmm_cmd_delay(scpi);
104 sr_info("Could not get IDN response.");
107 vendor = sr_vendor_alias(hw_info->manufacturer);
108 model = is_compatible(vendor, hw_info->model);
110 sr_scpi_hw_info_free(hw_info);
114 sdi = g_malloc0(sizeof(*sdi));
115 sdi->vendor = g_strdup(hw_info->manufacturer);
116 sdi->model = g_strdup(hw_info->model);
117 sdi->version = g_strdup(hw_info->firmware_version);
118 sdi->serial_num = g_strdup(hw_info->serial_number);
120 sdi->driver = &scpi_dmm_driver_info;
121 sdi->inst_type = SR_INST_SCPI;
122 sr_scpi_hw_info_free(hw_info);
124 devc = g_malloc0(sizeof(*devc));
126 devc->num_channels = model->num_channels;
127 devc->cmdset = model->cmdset;
130 for (i = 0; i < devc->num_channels; i++) {
131 channel_name = g_strdup_printf("P%zu", i + 1);
132 sr_channel_new(sdi, 0, SR_CHANNEL_ANALOG, TRUE, channel_name);
138 static GSList *scan(struct sr_dev_driver *di, GSList *options)
140 return sr_scpi_scan(di->context, options, probe_device);
143 static int dev_open(struct sr_dev_inst *sdi)
145 struct sr_scpi_dev_inst *scpi;
149 ret = sr_scpi_open(scpi);
151 sr_err("Failed to open SCPI device: %s.", sr_strerror(ret));
158 static int dev_close(struct sr_dev_inst *sdi)
160 struct sr_scpi_dev_inst *scpi;
166 sr_dbg("DIAG: sdi->status %d.", sdi->status - SR_ST_NOT_FOUND);
167 if (sdi->status <= SR_ST_INACTIVE)
170 return sr_scpi_close(scpi);
173 static int config_get(uint32_t key, GVariant **data,
174 const struct sr_dev_inst *sdi, const struct sr_channel_group *cg)
176 struct dev_context *devc;
178 enum sr_mqflag mqflag;
187 case SR_CONF_LIMIT_SAMPLES:
188 case SR_CONF_LIMIT_MSEC:
189 return sr_sw_limits_config_get(&devc->limits, key, data);
190 case SR_CONF_MEASURED_QUANTITY:
191 ret = scpi_dmm_get_mq(sdi, &mq, &mqflag, NULL);
194 arr[0] = g_variant_new_uint32(mq);
195 arr[1] = g_variant_new_uint64(mqflag);
196 *data = g_variant_new_tuple(arr, ARRAY_SIZE(arr));
203 static int config_set(uint32_t key, GVariant *data,
204 const struct sr_dev_inst *sdi, const struct sr_channel_group *cg)
206 struct dev_context *devc;
208 enum sr_mqflag mqflag;
209 GVariant *tuple_child;
216 case SR_CONF_LIMIT_SAMPLES:
217 case SR_CONF_LIMIT_MSEC:
218 return sr_sw_limits_config_set(&devc->limits, key, data);
219 case SR_CONF_MEASURED_QUANTITY:
220 tuple_child = g_variant_get_child_value(data, 0);
221 mq = g_variant_get_uint32(tuple_child);
222 tuple_child = g_variant_get_child_value(data, 1);
223 mqflag = g_variant_get_uint64(tuple_child);
224 g_variant_unref(tuple_child);
225 return scpi_dmm_set_mq(sdi, mq, mqflag);
231 static int config_list(uint32_t key, GVariant **data,
232 const struct sr_dev_inst *sdi, const struct sr_channel_group *cg)
234 struct dev_context *devc;
235 GVariant *gvar, *arr[2];
241 devc = sdi ? sdi->priv : NULL;
244 case SR_CONF_SCAN_OPTIONS:
245 case SR_CONF_DEVICE_OPTIONS:
246 return STD_CONFIG_LIST(key, data, sdi, cg, scanopts, drvopts, devopts);
247 case SR_CONF_MEASURED_QUANTITY:
248 /* TODO Use std_gvar_measured_quantities() when available. */
251 g_variant_builder_init(&gvb, G_VARIANT_TYPE_ARRAY);
252 for (i = 0; i < devc->model->mqopt_size; i++) {
253 arr[0] = g_variant_new_uint32(devc->model->mqopts[i].mq);
254 arr[1] = g_variant_new_uint64(devc->model->mqopts[i].mqflag);
255 gvar = g_variant_new_tuple(arr, ARRAY_SIZE(arr));
256 g_variant_builder_add_value(&gvb, gvar);
258 *data = g_variant_builder_end(&gvb);
266 static int dev_acquisition_start(const struct sr_dev_inst *sdi)
268 struct sr_scpi_dev_inst *scpi;
269 struct dev_context *devc;
276 ret = scpi_dmm_get_mq(sdi, &devc->start_acq_mq.curr_mq,
277 &devc->start_acq_mq.curr_mqflag, NULL);
281 command = sr_scpi_cmd_get(devc->cmdset, DMM_CMD_START_ACQ);
282 if (command && *command) {
283 ret = sr_scpi_send(scpi, command);
284 scpi_dmm_cmd_delay(scpi);
289 sr_sw_limits_acquisition_start(&devc->limits);
290 ret = std_session_send_df_header(sdi);
294 ret = sr_scpi_source_add(sdi->session, scpi, G_IO_IN, 10,
295 scpi_dmm_receive_data, (void *)sdi);
302 static int dev_acquisition_stop(struct sr_dev_inst *sdi)
304 struct sr_scpi_dev_inst *scpi;
305 struct dev_context *devc;
311 command = sr_scpi_cmd_get(devc->cmdset, DMM_CMD_STOP_ACQ);
312 if (command && *command) {
313 (void)sr_scpi_send(scpi, command);
314 scpi_dmm_cmd_delay(scpi);
316 sr_scpi_source_remove(sdi->session, scpi);
318 std_session_send_df_end(sdi);
323 SR_PRIV struct sr_dev_driver scpi_dmm_driver_info = {
325 .longname = "SCPI DMM",
328 .cleanup = std_cleanup,
330 .dev_list = std_dev_list,
331 .dev_clear = std_dev_clear,
332 .config_get = config_get,
333 .config_set = config_set,
334 .config_list = config_list,
335 .dev_open = dev_open,
336 .dev_close = dev_close,
337 .dev_acquisition_start = dev_acquisition_start,
338 .dev_acquisition_stop = dev_acquisition_stop,
341 SR_REGISTER_DEV_DRIVER(scpi_dmm_driver_info);