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 struct sr_dev_driver scpi_dmm_driver_info;
25 static const uint32_t scanopts[] = {
30 static const uint32_t drvopts[] = {
34 static const uint32_t devopts_generic[] = {
36 SR_CONF_LIMIT_SAMPLES | SR_CONF_GET | SR_CONF_SET,
37 SR_CONF_LIMIT_MSEC | SR_CONF_GET | SR_CONF_SET,
38 SR_CONF_MEASURED_QUANTITY | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST,
41 static const struct scpi_command cmdset_agilent[] = {
42 { DMM_CMD_SETUP_REMOTE, "\n", },
43 { DMM_CMD_SETUP_FUNC, "CONF:%s", },
44 { DMM_CMD_QUERY_FUNC, "CONF?", },
45 { DMM_CMD_START_ACQ, "MEAS", },
46 { DMM_CMD_STOP_ACQ, "ABORT", },
47 { DMM_CMD_QUERY_VALUE, "READ?", },
48 { DMM_CMD_QUERY_PREC, "CONF?", },
52 static const struct mqopt_item mqopts_agilent_34405a[] = {
53 { SR_MQ_VOLTAGE, SR_MQFLAG_DC, "VOLT:DC", "VOLT ", NO_DFLT_PREC, },
54 { SR_MQ_VOLTAGE, SR_MQFLAG_AC, "VOLT:AC", "VOLT:AC ", NO_DFLT_PREC, },
55 { SR_MQ_CURRENT, SR_MQFLAG_DC, "CURR:DC", "CURR ", NO_DFLT_PREC, },
56 { SR_MQ_CURRENT, SR_MQFLAG_AC, "CURR:AC", "CURR:AC ", NO_DFLT_PREC, },
57 { SR_MQ_RESISTANCE, 0, "RES", "RES ", NO_DFLT_PREC, },
58 { SR_MQ_CONTINUITY, 0, "CONT", "CONT", -1, },
59 { SR_MQ_CAPACITANCE, 0, "CAP", "CAP ", NO_DFLT_PREC, },
60 { SR_MQ_VOLTAGE, SR_MQFLAG_DC | SR_MQFLAG_DIODE, "DIOD", "DIOD", -4, },
61 { SR_MQ_TEMPERATURE, 0, "TEMP", "TEMP ", NO_DFLT_PREC, },
62 { SR_MQ_FREQUENCY, 0, "FREQ", "FREQ ", NO_DFLT_PREC, },
65 SR_PRIV const struct scpi_dmm_model models[] = {
68 1, 5, cmdset_agilent, ARRAY_AND_SIZE(mqopts_agilent_34405a),
69 scpi_dmm_get_meas_agilent,
70 ARRAY_AND_SIZE(devopts_generic),
74 1, 5, cmdset_agilent, ARRAY_AND_SIZE(mqopts_agilent_34405a),
75 scpi_dmm_get_meas_agilent,
76 ARRAY_AND_SIZE(devopts_generic),
80 static const struct scpi_dmm_model *is_compatible(const char *vendor, const char *model)
83 const struct scpi_dmm_model *entry;
85 for (i = 0; i < ARRAY_SIZE(models); i++) {
87 if (!entry->vendor || !entry->model)
89 if (strcmp(vendor, entry->vendor) != 0)
91 if (strcmp(model, entry->model) != 0)
99 static struct sr_dev_inst *probe_device(struct sr_scpi_dev_inst *scpi)
101 struct sr_scpi_hw_info *hw_info;
104 const struct scpi_dmm_model *model;
105 struct sr_dev_inst *sdi;
106 struct dev_context *devc;
110 scpi_dmm_cmd_delay(scpi);
111 ret = sr_scpi_get_hw_id(scpi, &hw_info);
113 sr_info("Could not get IDN response.");
116 vendor = sr_vendor_alias(hw_info->manufacturer);
117 model = is_compatible(vendor, hw_info->model);
119 sr_scpi_hw_info_free(hw_info);
123 sdi = g_malloc0(sizeof(*sdi));
124 sdi->vendor = g_strdup(hw_info->manufacturer);
125 sdi->model = g_strdup(hw_info->model);
126 sdi->version = g_strdup(hw_info->firmware_version);
127 sdi->serial_num = g_strdup(hw_info->serial_number);
129 sdi->driver = &scpi_dmm_driver_info;
130 sdi->inst_type = SR_INST_SCPI;
131 sr_scpi_hw_info_free(hw_info);
133 devc = g_malloc0(sizeof(*devc));
135 devc->num_channels = model->num_channels;
136 devc->cmdset = model->cmdset;
139 for (i = 0; i < devc->num_channels; i++) {
140 channel_name = g_strdup_printf("P%zu", i + 1);
141 sr_channel_new(sdi, 0, SR_CHANNEL_ANALOG, TRUE, channel_name);
147 static GSList *scan(struct sr_dev_driver *di, GSList *options)
149 return sr_scpi_scan(di->context, options, probe_device);
152 static int dev_open(struct sr_dev_inst *sdi)
154 struct sr_scpi_dev_inst *scpi;
158 ret = sr_scpi_open(scpi);
160 sr_err("Failed to open SCPI device: %s.", sr_strerror(ret));
167 static int dev_close(struct sr_dev_inst *sdi)
169 struct sr_scpi_dev_inst *scpi;
175 sr_dbg("DIAG: sdi->status %d.", sdi->status - SR_ST_NOT_FOUND);
176 if (sdi->status <= SR_ST_INACTIVE)
179 return sr_scpi_close(scpi);
182 static int config_get(uint32_t key, GVariant **data,
183 const struct sr_dev_inst *sdi, const struct sr_channel_group *cg)
185 struct dev_context *devc;
187 enum sr_mqflag mqflag;
196 case SR_CONF_LIMIT_SAMPLES:
197 case SR_CONF_LIMIT_MSEC:
198 return sr_sw_limits_config_get(&devc->limits, key, data);
199 case SR_CONF_MEASURED_QUANTITY:
200 ret = scpi_dmm_get_mq(sdi, &mq, &mqflag, NULL, NULL);
203 arr[0] = g_variant_new_uint32(mq);
204 arr[1] = g_variant_new_uint64(mqflag);
205 *data = g_variant_new_tuple(arr, ARRAY_SIZE(arr));
212 static int config_set(uint32_t key, GVariant *data,
213 const struct sr_dev_inst *sdi, const struct sr_channel_group *cg)
215 struct dev_context *devc;
217 enum sr_mqflag mqflag;
218 GVariant *tuple_child;
225 case SR_CONF_LIMIT_SAMPLES:
226 case SR_CONF_LIMIT_MSEC:
227 return sr_sw_limits_config_set(&devc->limits, key, data);
228 case SR_CONF_MEASURED_QUANTITY:
229 tuple_child = g_variant_get_child_value(data, 0);
230 mq = g_variant_get_uint32(tuple_child);
231 tuple_child = g_variant_get_child_value(data, 1);
232 mqflag = g_variant_get_uint64(tuple_child);
233 g_variant_unref(tuple_child);
234 return scpi_dmm_set_mq(sdi, mq, mqflag);
240 static int config_list(uint32_t key, GVariant **data,
241 const struct sr_dev_inst *sdi, const struct sr_channel_group *cg)
243 struct dev_context *devc;
244 GVariant *gvar, *arr[2];
250 devc = sdi ? sdi->priv : NULL;
253 case SR_CONF_SCAN_OPTIONS:
254 case SR_CONF_DEVICE_OPTIONS:
256 return STD_CONFIG_LIST(key, data, sdi, cg,
257 scanopts, drvopts, devopts_generic);
258 return std_opts_config_list(key, data, sdi, cg,
259 ARRAY_AND_SIZE(scanopts), ARRAY_AND_SIZE(drvopts),
260 devc->model->devopts, devc->model->devopts_size);
261 case SR_CONF_MEASURED_QUANTITY:
262 /* TODO Use std_gvar_measured_quantities() when available. */
265 g_variant_builder_init(&gvb, G_VARIANT_TYPE_ARRAY);
266 for (i = 0; i < devc->model->mqopt_size; i++) {
267 arr[0] = g_variant_new_uint32(devc->model->mqopts[i].mq);
268 arr[1] = g_variant_new_uint64(devc->model->mqopts[i].mqflag);
269 gvar = g_variant_new_tuple(arr, ARRAY_SIZE(arr));
270 g_variant_builder_add_value(&gvb, gvar);
272 *data = g_variant_builder_end(&gvb);
280 static int dev_acquisition_start(const struct sr_dev_inst *sdi)
282 struct sr_scpi_dev_inst *scpi;
283 struct dev_context *devc;
285 const struct mqopt_item *item;
291 ret = scpi_dmm_get_mq(sdi, &devc->start_acq_mq.curr_mq,
292 &devc->start_acq_mq.curr_mqflag, NULL, &item);
296 command = sr_scpi_cmd_get(devc->cmdset, DMM_CMD_START_ACQ);
297 if (command && *command) {
298 scpi_dmm_cmd_delay(scpi);
299 ret = sr_scpi_send(scpi, command);
304 sr_sw_limits_acquisition_start(&devc->limits);
305 ret = std_session_send_df_header(sdi);
309 ret = sr_scpi_source_add(sdi->session, scpi, G_IO_IN, 10,
310 scpi_dmm_receive_data, (void *)sdi);
317 static int dev_acquisition_stop(struct sr_dev_inst *sdi)
319 struct sr_scpi_dev_inst *scpi;
320 struct dev_context *devc;
326 command = sr_scpi_cmd_get(devc->cmdset, DMM_CMD_STOP_ACQ);
327 if (command && *command) {
328 scpi_dmm_cmd_delay(scpi);
329 (void)sr_scpi_send(scpi, command);
331 sr_scpi_source_remove(sdi->session, scpi);
333 std_session_send_df_end(sdi);
338 static struct sr_dev_driver scpi_dmm_driver_info = {
340 .longname = "SCPI DMM",
343 .cleanup = std_cleanup,
345 .dev_list = std_dev_list,
346 .dev_clear = std_dev_clear,
347 .config_get = config_get,
348 .config_set = config_set,
349 .config_list = config_list,
350 .dev_open = dev_open,
351 .dev_close = dev_close,
352 .dev_acquisition_start = dev_acquisition_start,
353 .dev_acquisition_stop = dev_acquisition_stop,
356 SR_REGISTER_DEV_DRIVER(scpi_dmm_driver_info);