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7a396ff5 GS |
1 | /* |
2 | * This file is part of the libsigrok project. | |
3 | * | |
4 | * Copyright (C) 2018 Gerhard Sittig <gerhard.sittig@gmx.net> | |
5 | * | |
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. | |
10 | * | |
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. | |
15 | * | |
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/>. | |
18 | */ | |
19 | ||
3cdad416 | 20 | #include <string.h> |
7a396ff5 GS |
21 | #include "protocol.h" |
22 | ||
0617bb5a GS |
23 | static struct sr_dev_driver scpi_dmm_driver_info; |
24 | ||
3cdad416 GS |
25 | static const uint32_t scanopts[] = { |
26 | SR_CONF_CONN, | |
31e65c62 | 27 | SR_CONF_SERIALCOMM, |
3cdad416 GS |
28 | }; |
29 | ||
30 | static const uint32_t drvopts[] = { | |
31 | SR_CONF_MULTIMETER, | |
32 | }; | |
33 | ||
1d2f9963 | 34 | static const uint32_t devopts_generic[] = { |
3cdad416 GS |
35 | SR_CONF_CONTINUOUS, |
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, | |
39 | }; | |
40 | ||
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?", }, | |
49 | ALL_ZERO, | |
50 | }; | |
51 | ||
64d03de1 | 52 | static const struct mqopt_item mqopts_agilent_34405a[] = { |
3cdad416 GS |
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, }, | |
3cdad416 GS |
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, }, | |
63 | }; | |
64 | ||
65 | SR_PRIV const struct scpi_dmm_model models[] = { | |
66 | { | |
67 | "Agilent", "34405A", | |
64d03de1 | 68 | 1, 5, cmdset_agilent, ARRAY_AND_SIZE(mqopts_agilent_34405a), |
3cdad416 | 69 | scpi_dmm_get_meas_agilent, |
1d2f9963 | 70 | ARRAY_AND_SIZE(devopts_generic), |
3cdad416 | 71 | }, |
08e8c0e5 MW |
72 | { |
73 | "Keysight", "34465A", | |
74 | 1, 5, cmdset_agilent, ARRAY_AND_SIZE(mqopts_agilent_34405a), | |
75 | scpi_dmm_get_meas_agilent, | |
76 | ARRAY_AND_SIZE(devopts_generic), | |
77 | }, | |
3cdad416 GS |
78 | }; |
79 | ||
80 | static const struct scpi_dmm_model *is_compatible(const char *vendor, const char *model) | |
7a396ff5 | 81 | { |
3cdad416 GS |
82 | size_t i; |
83 | const struct scpi_dmm_model *entry; | |
84 | ||
85 | for (i = 0; i < ARRAY_SIZE(models); i++) { | |
86 | entry = &models[i]; | |
87 | if (!entry->vendor || !entry->model) | |
88 | continue; | |
89 | if (strcmp(vendor, entry->vendor) != 0) | |
90 | continue; | |
91 | if (strcmp(model, entry->model) != 0) | |
92 | continue; | |
93 | return entry; | |
94 | } | |
7a396ff5 | 95 | |
3cdad416 GS |
96 | return NULL; |
97 | } | |
7a396ff5 | 98 | |
3cdad416 GS |
99 | static struct sr_dev_inst *probe_device(struct sr_scpi_dev_inst *scpi) |
100 | { | |
101 | struct sr_scpi_hw_info *hw_info; | |
102 | int ret; | |
103 | const char *vendor; | |
104 | const struct scpi_dmm_model *model; | |
105 | struct sr_dev_inst *sdi; | |
106 | struct dev_context *devc; | |
107 | size_t i; | |
108 | gchar *channel_name; | |
109 | ||
3cdad416 | 110 | scpi_dmm_cmd_delay(scpi); |
28877994 | 111 | ret = sr_scpi_get_hw_id(scpi, &hw_info); |
3cdad416 GS |
112 | if (ret != SR_OK) { |
113 | sr_info("Could not get IDN response."); | |
114 | return NULL; | |
115 | } | |
116 | vendor = sr_vendor_alias(hw_info->manufacturer); | |
117 | model = is_compatible(vendor, hw_info->model); | |
118 | if (!model) { | |
119 | sr_scpi_hw_info_free(hw_info); | |
120 | return NULL; | |
121 | } | |
7a396ff5 | 122 | |
3cdad416 GS |
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); | |
128 | sdi->conn = scpi; | |
129 | sdi->driver = &scpi_dmm_driver_info; | |
130 | sdi->inst_type = SR_INST_SCPI; | |
131 | sr_scpi_hw_info_free(hw_info); | |
132 | ||
133 | devc = g_malloc0(sizeof(*devc)); | |
134 | sdi->priv = devc; | |
135 | devc->num_channels = model->num_channels; | |
136 | devc->cmdset = model->cmdset; | |
137 | devc->model = model; | |
138 | ||
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); | |
142 | } | |
143 | ||
144 | return sdi; | |
145 | } | |
7a396ff5 | 146 | |
3cdad416 GS |
147 | static GSList *scan(struct sr_dev_driver *di, GSList *options) |
148 | { | |
149 | return sr_scpi_scan(di->context, options, probe_device); | |
7a396ff5 GS |
150 | } |
151 | ||
152 | static int dev_open(struct sr_dev_inst *sdi) | |
153 | { | |
3cdad416 GS |
154 | struct sr_scpi_dev_inst *scpi; |
155 | int ret; | |
7a396ff5 | 156 | |
3cdad416 GS |
157 | scpi = sdi->conn; |
158 | ret = sr_scpi_open(scpi); | |
159 | if (ret < 0) { | |
160 | sr_err("Failed to open SCPI device: %s.", sr_strerror(ret)); | |
161 | return SR_ERR; | |
162 | } | |
7a396ff5 GS |
163 | |
164 | return SR_OK; | |
165 | } | |
166 | ||
167 | static int dev_close(struct sr_dev_inst *sdi) | |
168 | { | |
3cdad416 | 169 | struct sr_scpi_dev_inst *scpi; |
7a396ff5 | 170 | |
3cdad416 GS |
171 | scpi = sdi->conn; |
172 | if (!scpi) | |
173 | return SR_ERR_BUG; | |
7a396ff5 | 174 | |
3cdad416 GS |
175 | sr_dbg("DIAG: sdi->status %d.", sdi->status - SR_ST_NOT_FOUND); |
176 | if (sdi->status <= SR_ST_INACTIVE) | |
177 | return SR_OK; | |
178 | ||
179 | return sr_scpi_close(scpi); | |
7a396ff5 GS |
180 | } |
181 | ||
182 | static int config_get(uint32_t key, GVariant **data, | |
183 | const struct sr_dev_inst *sdi, const struct sr_channel_group *cg) | |
184 | { | |
3cdad416 GS |
185 | struct dev_context *devc; |
186 | enum sr_mq mq; | |
187 | enum sr_mqflag mqflag; | |
188 | GVariant *arr[2]; | |
7a396ff5 GS |
189 | int ret; |
190 | ||
7a396ff5 GS |
191 | (void)cg; |
192 | ||
3cdad416 GS |
193 | devc = sdi->priv; |
194 | ||
7a396ff5 | 195 | switch (key) { |
3cdad416 GS |
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: | |
08f3b427 | 200 | ret = scpi_dmm_get_mq(sdi, &mq, &mqflag, NULL, NULL); |
3cdad416 GS |
201 | if (ret != SR_OK) |
202 | return ret; | |
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)); | |
206 | return SR_OK; | |
7a396ff5 GS |
207 | default: |
208 | return SR_ERR_NA; | |
209 | } | |
7a396ff5 GS |
210 | } |
211 | ||
212 | static int config_set(uint32_t key, GVariant *data, | |
213 | const struct sr_dev_inst *sdi, const struct sr_channel_group *cg) | |
214 | { | |
3cdad416 GS |
215 | struct dev_context *devc; |
216 | enum sr_mq mq; | |
217 | enum sr_mqflag mqflag; | |
218 | GVariant *tuple_child; | |
7a396ff5 | 219 | |
7a396ff5 GS |
220 | (void)cg; |
221 | ||
3cdad416 GS |
222 | devc = sdi->priv; |
223 | ||
7a396ff5 | 224 | switch (key) { |
3cdad416 GS |
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); | |
7a396ff5 | 235 | default: |
3cdad416 | 236 | return SR_ERR_NA; |
7a396ff5 | 237 | } |
7a396ff5 GS |
238 | } |
239 | ||
240 | static int config_list(uint32_t key, GVariant **data, | |
241 | const struct sr_dev_inst *sdi, const struct sr_channel_group *cg) | |
242 | { | |
3cdad416 GS |
243 | struct dev_context *devc; |
244 | GVariant *gvar, *arr[2]; | |
245 | GVariantBuilder gvb; | |
246 | size_t i; | |
7a396ff5 | 247 | |
7a396ff5 GS |
248 | (void)cg; |
249 | ||
3cdad416 GS |
250 | devc = sdi ? sdi->priv : NULL; |
251 | ||
7a396ff5 | 252 | switch (key) { |
3cdad416 GS |
253 | case SR_CONF_SCAN_OPTIONS: |
254 | case SR_CONF_DEVICE_OPTIONS: | |
1d2f9963 GS |
255 | if (!devc) |
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); | |
3cdad416 GS |
261 | case SR_CONF_MEASURED_QUANTITY: |
262 | /* TODO Use std_gvar_measured_quantities() when available. */ | |
263 | if (!devc) | |
264 | return SR_ERR_ARG; | |
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); | |
271 | } | |
272 | *data = g_variant_builder_end(&gvb); | |
273 | return SR_OK; | |
7a396ff5 | 274 | default: |
3cdad416 | 275 | (void)devc; |
7a396ff5 GS |
276 | return SR_ERR_NA; |
277 | } | |
7a396ff5 GS |
278 | } |
279 | ||
280 | static int dev_acquisition_start(const struct sr_dev_inst *sdi) | |
281 | { | |
3cdad416 GS |
282 | struct sr_scpi_dev_inst *scpi; |
283 | struct dev_context *devc; | |
284 | int ret; | |
08f3b427 | 285 | const struct mqopt_item *item; |
3cdad416 GS |
286 | const char *command; |
287 | ||
288 | scpi = sdi->conn; | |
289 | devc = sdi->priv; | |
290 | ||
291 | ret = scpi_dmm_get_mq(sdi, &devc->start_acq_mq.curr_mq, | |
08f3b427 | 292 | &devc->start_acq_mq.curr_mqflag, NULL, &item); |
3cdad416 GS |
293 | if (ret != SR_OK) |
294 | return ret; | |
295 | ||
296 | command = sr_scpi_cmd_get(devc->cmdset, DMM_CMD_START_ACQ); | |
297 | if (command && *command) { | |
3cdad416 | 298 | scpi_dmm_cmd_delay(scpi); |
28877994 | 299 | ret = sr_scpi_send(scpi, command); |
3cdad416 GS |
300 | if (ret != SR_OK) |
301 | return ret; | |
302 | } | |
7a396ff5 | 303 | |
3cdad416 GS |
304 | sr_sw_limits_acquisition_start(&devc->limits); |
305 | ret = std_session_send_df_header(sdi); | |
306 | if (ret != SR_OK) | |
307 | return ret; | |
308 | ||
309 | ret = sr_scpi_source_add(sdi->session, scpi, G_IO_IN, 10, | |
310 | scpi_dmm_receive_data, (void *)sdi); | |
311 | if (ret != SR_OK) | |
312 | return ret; | |
7a396ff5 GS |
313 | |
314 | return SR_OK; | |
315 | } | |
316 | ||
317 | static int dev_acquisition_stop(struct sr_dev_inst *sdi) | |
318 | { | |
3cdad416 GS |
319 | struct sr_scpi_dev_inst *scpi; |
320 | struct dev_context *devc; | |
321 | const char *command; | |
322 | ||
323 | scpi = sdi->conn; | |
324 | devc = sdi->priv; | |
7a396ff5 | 325 | |
3cdad416 GS |
326 | command = sr_scpi_cmd_get(devc->cmdset, DMM_CMD_STOP_ACQ); |
327 | if (command && *command) { | |
3cdad416 | 328 | scpi_dmm_cmd_delay(scpi); |
28877994 | 329 | (void)sr_scpi_send(scpi, command); |
3cdad416 GS |
330 | } |
331 | sr_scpi_source_remove(sdi->session, scpi); | |
332 | ||
333 | std_session_send_df_end(sdi); | |
7a396ff5 GS |
334 | |
335 | return SR_OK; | |
336 | } | |
337 | ||
0617bb5a | 338 | static struct sr_dev_driver scpi_dmm_driver_info = { |
7a396ff5 GS |
339 | .name = "scpi-dmm", |
340 | .longname = "SCPI DMM", | |
341 | .api_version = 1, | |
342 | .init = std_init, | |
343 | .cleanup = std_cleanup, | |
344 | .scan = scan, | |
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, | |
354 | .context = NULL, | |
355 | }; | |
7a396ff5 | 356 | SR_REGISTER_DEV_DRIVER(scpi_dmm_driver_info); |