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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 | 35 | SR_CONF_CONTINUOUS, |
7d95afb9 | 36 | SR_CONF_CONN | SR_CONF_GET, |
3cdad416 GS |
37 | SR_CONF_LIMIT_SAMPLES | SR_CONF_GET | SR_CONF_SET, |
38 | SR_CONF_LIMIT_MSEC | SR_CONF_GET | SR_CONF_SET, | |
39 | SR_CONF_MEASURED_QUANTITY | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST, | |
40 | }; | |
41 | ||
42 | static const struct scpi_command cmdset_agilent[] = { | |
43 | { DMM_CMD_SETUP_REMOTE, "\n", }, | |
44 | { DMM_CMD_SETUP_FUNC, "CONF:%s", }, | |
45 | { DMM_CMD_QUERY_FUNC, "CONF?", }, | |
46 | { DMM_CMD_START_ACQ, "MEAS", }, | |
47 | { DMM_CMD_STOP_ACQ, "ABORT", }, | |
48 | { DMM_CMD_QUERY_VALUE, "READ?", }, | |
49 | { DMM_CMD_QUERY_PREC, "CONF?", }, | |
50 | ALL_ZERO, | |
51 | }; | |
52 | ||
a1619831 | 53 | /* |
1c8110db | 54 | * cmdset_hp is used for the 34401A, which was added to this code after the |
a1619831 AG |
55 | * 34405A and 34465A. It differs in starting the measurement with INIT: using |
56 | * MEAS without a trailing '?' (as used for the 34405A) is not valid for the | |
1c8110db FS |
57 | * 34401A and gives an error. |
58 | * I'm surprised the same instruction sequence doesn't work and INIT may | |
59 | * work for both, but I don't have the others to re-test. | |
a1619831 | 60 | * |
85cff5cf MW |
61 | * cmdset_hp also works well for the 34410A, using cmdset_agilent throws an |
62 | * error on 'MEAS' without a '?'. | |
63 | * | |
1c8110db FS |
64 | * On the 34401A, |
65 | * MEAS <optional parameters> ? configures, arms, triggers and waits | |
a1619831 AG |
66 | * for a reading |
67 | * CONF <parameters> configures | |
1c8110db | 68 | * INIT prepares for triggering (trigger mode is not set, assumed |
a1619831 AG |
69 | * internal - external might time out) |
70 | * *OPC waits for completion, and | |
71 | * READ? retrieves the result | |
72 | */ | |
73 | static const struct scpi_command cmdset_hp[] = { | |
74 | { DMM_CMD_SETUP_REMOTE, "\n", }, | |
75 | { DMM_CMD_SETUP_FUNC, "CONF:%s", }, | |
76 | { DMM_CMD_QUERY_FUNC, "CONF?", }, | |
77 | { DMM_CMD_START_ACQ, "INIT", }, | |
78 | { DMM_CMD_STOP_ACQ, "ABORT", }, | |
79 | { DMM_CMD_QUERY_VALUE, "READ?", }, | |
80 | { DMM_CMD_QUERY_PREC, "CONF?", }, | |
81 | ALL_ZERO, | |
82 | }; | |
83 | ||
d0b602f0 TK |
84 | static const struct scpi_command cmdset_gwinstek[] = { |
85 | { DMM_CMD_SETUP_REMOTE, "SYST:REM", }, | |
4c80a272 | 86 | { DMM_CMD_SETUP_LOCAL, "SYST:LOC", }, |
d0b602f0 TK |
87 | { DMM_CMD_SETUP_FUNC, "CONF:%s", }, |
88 | { DMM_CMD_QUERY_FUNC, "CONF:STAT:FUNC?", }, | |
89 | { DMM_CMD_START_ACQ, "*CLS;SYST:REM", }, | |
d0b602f0 TK |
90 | { DMM_CMD_QUERY_VALUE, "VAL1?", }, |
91 | { DMM_CMD_QUERY_PREC, "SENS:DET:RATE?", }, | |
92 | ALL_ZERO, | |
93 | }; | |
94 | ||
868fc65e TK |
95 | static const struct scpi_command cmdset_gwinstek_906x[] = { |
96 | { DMM_CMD_SETUP_REMOTE, "SYST:REM", }, | |
4c80a272 | 97 | { DMM_CMD_SETUP_LOCAL, "SYST:LOC", }, |
868fc65e TK |
98 | { DMM_CMD_SETUP_FUNC, "CONF:%s", }, |
99 | { DMM_CMD_QUERY_FUNC, "CONF?", }, | |
860ee00a TK |
100 | { DMM_CMD_START_ACQ, "INIT", }, |
101 | { DMM_CMD_STOP_ACQ, "ABORT", }, | |
868fc65e TK |
102 | { DMM_CMD_QUERY_VALUE, "VAL1?", }, |
103 | { DMM_CMD_QUERY_PREC, "SENS:DET:RATE?", }, | |
104 | ALL_ZERO, | |
105 | }; | |
106 | ||
2111d157 PA |
107 | static const struct scpi_command cmdset_owon[] = { |
108 | { DMM_CMD_SETUP_REMOTE, "SYST:REM", }, | |
109 | { DMM_CMD_SETUP_LOCAL, "SYST:LOC", }, | |
110 | { DMM_CMD_SETUP_FUNC, "CONF:%s", }, | |
111 | { DMM_CMD_QUERY_FUNC, "FUNC?", }, | |
112 | { DMM_CMD_QUERY_VALUE, "MEAS1?", }, | |
113 | ALL_ZERO, | |
114 | }; | |
115 | ||
64d03de1 | 116 | static const struct mqopt_item mqopts_agilent_34405a[] = { |
3cdad416 GS |
117 | { SR_MQ_VOLTAGE, SR_MQFLAG_DC, "VOLT:DC", "VOLT ", NO_DFLT_PREC, }, |
118 | { SR_MQ_VOLTAGE, SR_MQFLAG_AC, "VOLT:AC", "VOLT:AC ", NO_DFLT_PREC, }, | |
119 | { SR_MQ_CURRENT, SR_MQFLAG_DC, "CURR:DC", "CURR ", NO_DFLT_PREC, }, | |
120 | { SR_MQ_CURRENT, SR_MQFLAG_AC, "CURR:AC", "CURR:AC ", NO_DFLT_PREC, }, | |
121 | { SR_MQ_RESISTANCE, 0, "RES", "RES ", NO_DFLT_PREC, }, | |
3cdad416 GS |
122 | { SR_MQ_CONTINUITY, 0, "CONT", "CONT", -1, }, |
123 | { SR_MQ_CAPACITANCE, 0, "CAP", "CAP ", NO_DFLT_PREC, }, | |
124 | { SR_MQ_VOLTAGE, SR_MQFLAG_DC | SR_MQFLAG_DIODE, "DIOD", "DIOD", -4, }, | |
125 | { SR_MQ_TEMPERATURE, 0, "TEMP", "TEMP ", NO_DFLT_PREC, }, | |
126 | { SR_MQ_FREQUENCY, 0, "FREQ", "FREQ ", NO_DFLT_PREC, }, | |
127 | }; | |
128 | ||
a1619831 AG |
129 | static const struct mqopt_item mqopts_agilent_34401a[] = { |
130 | { SR_MQ_VOLTAGE, SR_MQFLAG_DC, "VOLT:DC", "VOLT ", NO_DFLT_PREC, }, | |
131 | { SR_MQ_VOLTAGE, SR_MQFLAG_AC, "VOLT:AC", "VOLT:AC ", NO_DFLT_PREC, }, | |
132 | { SR_MQ_CURRENT, SR_MQFLAG_DC, "CURR:DC", "CURR ", NO_DFLT_PREC, }, | |
133 | { SR_MQ_CURRENT, SR_MQFLAG_AC, "CURR:AC", "CURR:AC ", NO_DFLT_PREC, }, | |
134 | { SR_MQ_RESISTANCE, 0, "RES", "RES ", NO_DFLT_PREC, }, | |
135 | { SR_MQ_RESISTANCE, SR_MQFLAG_FOUR_WIRE, "FRES", "FRES ", NO_DFLT_PREC, }, | |
136 | { SR_MQ_CONTINUITY, 0, "CONT", "CONT", -1, }, | |
137 | { SR_MQ_VOLTAGE, SR_MQFLAG_DC | SR_MQFLAG_DIODE, "DIOD", "DIOD", -4, }, | |
138 | { SR_MQ_FREQUENCY, 0, "FREQ", "FREQ ", NO_DFLT_PREC, }, | |
139 | { SR_MQ_TIME, 0, "PER", "PER ", NO_DFLT_PREC, }, | |
140 | }; | |
141 | ||
d0b602f0 TK |
142 | static const struct mqopt_item mqopts_gwinstek_gdm8200a[] = { |
143 | { SR_MQ_VOLTAGE, SR_MQFLAG_DC, "VOLT:DC", "01", NO_DFLT_PREC, }, | |
144 | { SR_MQ_VOLTAGE, SR_MQFLAG_AC, "VOLT:AC", "02", NO_DFLT_PREC, }, | |
145 | { SR_MQ_CURRENT, SR_MQFLAG_DC, "CURR:DC", "03", NO_DFLT_PREC, }, | |
146 | { SR_MQ_CURRENT, SR_MQFLAG_AC, "CURR:AC", "04", NO_DFLT_PREC, }, | |
147 | { SR_MQ_CURRENT, SR_MQFLAG_DC, "CURR:DC", "05", NO_DFLT_PREC, }, /* mA */ | |
148 | { SR_MQ_CURRENT, SR_MQFLAG_AC, "CURR:AC", "06", NO_DFLT_PREC, }, /* mA */ | |
149 | { SR_MQ_RESISTANCE, 0, "RES", "07", NO_DFLT_PREC, }, | |
150 | { SR_MQ_RESISTANCE, SR_MQFLAG_FOUR_WIRE, "FRES", "16", NO_DFLT_PREC, }, | |
151 | { SR_MQ_CONTINUITY, 0, "CONT", "13", -1, }, | |
152 | { SR_MQ_VOLTAGE, SR_MQFLAG_DC | SR_MQFLAG_DIODE, "DIOD", "17", -4, }, | |
153 | { SR_MQ_TEMPERATURE, 0, "TEMP", "09", NO_DFLT_PREC, }, /* Celsius */ | |
154 | { SR_MQ_TEMPERATURE, 0, "TEMP", "15", NO_DFLT_PREC, }, /* Fahrenheit */ | |
155 | { SR_MQ_FREQUENCY, 0, "FREQ", "08", NO_DFLT_PREC, }, | |
156 | { SR_MQ_TIME, 0, "PER", "14", NO_DFLT_PREC, }, | |
157 | }; | |
158 | ||
868fc65e TK |
159 | static const struct mqopt_item mqopts_gwinstek_gdm906x[] = { |
160 | { SR_MQ_VOLTAGE, SR_MQFLAG_DC, "VOLT:DC", "VOLT ", NO_DFLT_PREC, }, | |
161 | { SR_MQ_VOLTAGE, SR_MQFLAG_AC, "VOLT:AC", "VOLT:AC", NO_DFLT_PREC, }, | |
162 | { SR_MQ_CURRENT, SR_MQFLAG_DC, "CURR:DC", "CURR ", NO_DFLT_PREC, }, | |
163 | { SR_MQ_CURRENT, SR_MQFLAG_AC, "CURR:AC", "CURR:AC", NO_DFLT_PREC, }, | |
164 | { SR_MQ_RESISTANCE, 0, "RES", "RES", NO_DFLT_PREC, }, | |
165 | { SR_MQ_RESISTANCE, SR_MQFLAG_FOUR_WIRE, "FRES", "FRES", NO_DFLT_PREC, }, | |
166 | { SR_MQ_CONTINUITY, 0, "CONT", "CONT", -1, }, | |
167 | { SR_MQ_VOLTAGE, SR_MQFLAG_DC | SR_MQFLAG_DIODE, "DIOD", "DIOD", -4, }, | |
168 | { SR_MQ_TEMPERATURE, 0, "TEMP", "TEMP", NO_DFLT_PREC, }, | |
169 | { SR_MQ_FREQUENCY, 0, "FREQ", "FREQ", NO_DFLT_PREC, }, | |
170 | { SR_MQ_TIME, 0, "PER", "PER", NO_DFLT_PREC, }, | |
171 | { SR_MQ_CAPACITANCE, 0, "CAP", "CAP", NO_DFLT_PREC, }, | |
172 | }; | |
173 | ||
2111d157 PA |
174 | static const struct mqopt_item mqopts_owon_xdm2041[] = { |
175 | { SR_MQ_VOLTAGE, SR_MQFLAG_AC, "VOLT:AC", "VOLT AC", NO_DFLT_PREC, }, | |
176 | { SR_MQ_VOLTAGE, SR_MQFLAG_DC, "VOLT:DC", "VOLT", NO_DFLT_PREC, }, | |
177 | { SR_MQ_CURRENT, SR_MQFLAG_AC, "CURR:AC", "CURR AC", NO_DFLT_PREC, }, | |
178 | { SR_MQ_CURRENT, SR_MQFLAG_DC, "CURR:DC", "CURR", NO_DFLT_PREC, }, | |
179 | { SR_MQ_RESISTANCE, 0, "RES", "RES", NO_DFLT_PREC, }, | |
180 | { SR_MQ_RESISTANCE, SR_MQFLAG_FOUR_WIRE, "FRES", "FRES", NO_DFLT_PREC, }, | |
181 | { SR_MQ_CONTINUITY, 0, "CONT", "CONT", -1, }, | |
182 | { SR_MQ_VOLTAGE, SR_MQFLAG_DC | SR_MQFLAG_DIODE, "DIOD", "DIOD", -4, }, | |
183 | { SR_MQ_TEMPERATURE, 0, "TEMP", "TEMP", NO_DFLT_PREC, }, | |
184 | { SR_MQ_FREQUENCY, 0, "FREQ", "FREQ", NO_DFLT_PREC, }, | |
185 | { SR_MQ_CAPACITANCE, 0, "CAP", "CAP", NO_DFLT_PREC, }, | |
186 | }; | |
187 | ||
3cdad416 GS |
188 | SR_PRIV const struct scpi_dmm_model models[] = { |
189 | { | |
190 | "Agilent", "34405A", | |
64d03de1 | 191 | 1, 5, cmdset_agilent, ARRAY_AND_SIZE(mqopts_agilent_34405a), |
3cdad416 | 192 | scpi_dmm_get_meas_agilent, |
1d2f9963 | 193 | ARRAY_AND_SIZE(devopts_generic), |
33306b13 | 194 | 0, 0, |
3cdad416 | 195 | }, |
85cff5cf MW |
196 | { |
197 | "Agilent", "34410A", | |
198 | 1, 6, cmdset_hp, ARRAY_AND_SIZE(mqopts_agilent_34405a), | |
199 | scpi_dmm_get_meas_agilent, | |
200 | ARRAY_AND_SIZE(devopts_generic), | |
33306b13 | 201 | 0, 0, |
85cff5cf | 202 | }, |
d0b602f0 TK |
203 | { |
204 | "GW", "GDM8251A", | |
205 | 1, 6, cmdset_gwinstek, ARRAY_AND_SIZE(mqopts_gwinstek_gdm8200a), | |
206 | scpi_dmm_get_meas_gwinstek, | |
207 | ARRAY_AND_SIZE(devopts_generic), | |
33306b13 | 208 | 1000 * 2500, 0, |
d0b602f0 TK |
209 | }, |
210 | { | |
211 | "GW", "GDM8255A", | |
212 | 1, 6, cmdset_gwinstek, ARRAY_AND_SIZE(mqopts_gwinstek_gdm8200a), | |
213 | scpi_dmm_get_meas_gwinstek, | |
214 | ARRAY_AND_SIZE(devopts_generic), | |
33306b13 | 215 | 1000 * 2500, 0, |
d0b602f0 | 216 | }, |
868fc65e TK |
217 | { |
218 | "GWInstek", "GDM9060", | |
219 | 1, 6, cmdset_gwinstek_906x, ARRAY_AND_SIZE(mqopts_gwinstek_gdm906x), | |
220 | scpi_dmm_get_meas_agilent, | |
221 | ARRAY_AND_SIZE(devopts_generic), | |
33306b13 | 222 | 0, 0, |
868fc65e TK |
223 | }, |
224 | { | |
225 | "GWInstek", "GDM9061", | |
226 | 1, 6, cmdset_gwinstek_906x, ARRAY_AND_SIZE(mqopts_gwinstek_gdm906x), | |
227 | scpi_dmm_get_meas_agilent, | |
228 | ARRAY_AND_SIZE(devopts_generic), | |
33306b13 | 229 | 0, 0, |
868fc65e | 230 | }, |
25879a34 GS |
231 | { |
232 | "HP", "34401A", | |
233 | 1, 6, cmdset_hp, ARRAY_AND_SIZE(mqopts_agilent_34401a), | |
234 | scpi_dmm_get_meas_agilent, | |
235 | ARRAY_AND_SIZE(devopts_generic), | |
236 | /* 34401A: typ. 1020ms for AC readings (default is 1000ms). */ | |
33306b13 | 237 | 1000 * 1500, 0, |
25879a34 GS |
238 | }, |
239 | { | |
240 | "Keysight", "34465A", | |
241 | 1, 5, cmdset_agilent, ARRAY_AND_SIZE(mqopts_agilent_34405a), | |
242 | scpi_dmm_get_meas_agilent, | |
243 | ARRAY_AND_SIZE(devopts_generic), | |
33306b13 | 244 | 0, 0, |
25879a34 | 245 | }, |
2111d157 PA |
246 | { |
247 | "OWON", "XDM2041", | |
248 | 1, 5, cmdset_owon, ARRAY_AND_SIZE(mqopts_owon_xdm2041), | |
249 | scpi_dmm_get_meas_gwinstek, | |
250 | ARRAY_AND_SIZE(devopts_generic), | |
251 | 0, 1e9, | |
252 | }, | |
3cdad416 GS |
253 | }; |
254 | ||
255 | static const struct scpi_dmm_model *is_compatible(const char *vendor, const char *model) | |
7a396ff5 | 256 | { |
3cdad416 GS |
257 | size_t i; |
258 | const struct scpi_dmm_model *entry; | |
259 | ||
260 | for (i = 0; i < ARRAY_SIZE(models); i++) { | |
261 | entry = &models[i]; | |
262 | if (!entry->vendor || !entry->model) | |
263 | continue; | |
264 | if (strcmp(vendor, entry->vendor) != 0) | |
265 | continue; | |
266 | if (strcmp(model, entry->model) != 0) | |
267 | continue; | |
268 | return entry; | |
269 | } | |
7a396ff5 | 270 | |
3cdad416 GS |
271 | return NULL; |
272 | } | |
7a396ff5 | 273 | |
ddeaa49d PA |
274 | /* |
275 | * Some devices (such as Owon XDM2041) do not support the standard | |
276 | * OPeration Complete? command. This function tests the command with | |
277 | * a short timeout, and returns TRUE if any reply (busy or not) is received. | |
278 | */ | |
279 | static gboolean probe_opc_support(struct sr_scpi_dev_inst *scpi) | |
280 | { | |
281 | gboolean result; | |
282 | GString *response; | |
283 | ||
284 | response = g_string_sized_new(128); | |
285 | result = TRUE; | |
286 | if (sr_scpi_get_data(scpi, SCPI_CMD_OPC, &response) != SR_OK) | |
287 | result = FALSE; | |
288 | g_string_free(response, TRUE); | |
289 | ||
290 | return result; | |
291 | } | |
292 | ||
3cdad416 GS |
293 | static struct sr_dev_inst *probe_device(struct sr_scpi_dev_inst *scpi) |
294 | { | |
295 | struct sr_scpi_hw_info *hw_info; | |
296 | int ret; | |
297 | const char *vendor; | |
298 | const struct scpi_dmm_model *model; | |
299 | struct sr_dev_inst *sdi; | |
300 | struct dev_context *devc; | |
301 | size_t i; | |
302 | gchar *channel_name; | |
4c80a272 | 303 | const char *command; |
3cdad416 | 304 | |
ddeaa49d PA |
305 | if (!probe_opc_support(scpi)) |
306 | scpi->no_opc_command = TRUE; | |
307 | ||
3cdad416 | 308 | scpi_dmm_cmd_delay(scpi); |
28877994 | 309 | ret = sr_scpi_get_hw_id(scpi, &hw_info); |
3cdad416 GS |
310 | if (ret != SR_OK) { |
311 | sr_info("Could not get IDN response."); | |
312 | return NULL; | |
313 | } | |
314 | vendor = sr_vendor_alias(hw_info->manufacturer); | |
315 | model = is_compatible(vendor, hw_info->model); | |
316 | if (!model) { | |
317 | sr_scpi_hw_info_free(hw_info); | |
318 | return NULL; | |
319 | } | |
7a396ff5 | 320 | |
3cdad416 GS |
321 | sdi = g_malloc0(sizeof(*sdi)); |
322 | sdi->vendor = g_strdup(hw_info->manufacturer); | |
323 | sdi->model = g_strdup(hw_info->model); | |
324 | sdi->version = g_strdup(hw_info->firmware_version); | |
325 | sdi->serial_num = g_strdup(hw_info->serial_number); | |
326 | sdi->conn = scpi; | |
327 | sdi->driver = &scpi_dmm_driver_info; | |
328 | sdi->inst_type = SR_INST_SCPI; | |
7d95afb9 GS |
329 | ret = sr_scpi_connection_id(scpi, &sdi->connection_id); |
330 | if (ret != SR_OK) { | |
331 | g_free(sdi->connection_id); | |
332 | sdi->connection_id = NULL; | |
333 | } | |
3cdad416 | 334 | sr_scpi_hw_info_free(hw_info); |
1c8110db | 335 | if (model->read_timeout_us) /* non-default read timeout */ |
a1619831 | 336 | scpi->read_timeout_us = model->read_timeout_us; |
3cdad416 GS |
337 | devc = g_malloc0(sizeof(*devc)); |
338 | sdi->priv = devc; | |
339 | devc->num_channels = model->num_channels; | |
340 | devc->cmdset = model->cmdset; | |
341 | devc->model = model; | |
342 | ||
343 | for (i = 0; i < devc->num_channels; i++) { | |
344 | channel_name = g_strdup_printf("P%zu", i + 1); | |
345 | sr_channel_new(sdi, 0, SR_CHANNEL_ANALOG, TRUE, channel_name); | |
346 | } | |
347 | ||
4c80a272 TK |
348 | /* |
349 | * If device has DMM_CMD_SETUP_LOCAL command, send it now. To avoid | |
350 | * leaving device in remote mode (if only a "scan" is run). | |
351 | */ | |
352 | command = sr_scpi_cmd_get(devc->cmdset, DMM_CMD_SETUP_LOCAL); | |
353 | if (command && *command) { | |
354 | scpi_dmm_cmd_delay(scpi); | |
355 | sr_scpi_send(scpi, command); | |
356 | } | |
357 | ||
3cdad416 GS |
358 | return sdi; |
359 | } | |
7a396ff5 | 360 | |
3cdad416 GS |
361 | static GSList *scan(struct sr_dev_driver *di, GSList *options) |
362 | { | |
363 | return sr_scpi_scan(di->context, options, probe_device); | |
7a396ff5 GS |
364 | } |
365 | ||
366 | static int dev_open(struct sr_dev_inst *sdi) | |
367 | { | |
3cdad416 GS |
368 | struct sr_scpi_dev_inst *scpi; |
369 | int ret; | |
7a396ff5 | 370 | |
3cdad416 GS |
371 | scpi = sdi->conn; |
372 | ret = sr_scpi_open(scpi); | |
373 | if (ret < 0) { | |
374 | sr_err("Failed to open SCPI device: %s.", sr_strerror(ret)); | |
375 | return SR_ERR; | |
376 | } | |
7a396ff5 GS |
377 | |
378 | return SR_OK; | |
379 | } | |
380 | ||
381 | static int dev_close(struct sr_dev_inst *sdi) | |
382 | { | |
4c80a272 | 383 | struct dev_context *devc; |
3cdad416 | 384 | struct sr_scpi_dev_inst *scpi; |
4c80a272 | 385 | const char *command; |
7a396ff5 | 386 | |
4c80a272 | 387 | devc = sdi->priv; |
3cdad416 GS |
388 | scpi = sdi->conn; |
389 | if (!scpi) | |
390 | return SR_ERR_BUG; | |
7a396ff5 | 391 | |
3cdad416 GS |
392 | sr_dbg("DIAG: sdi->status %d.", sdi->status - SR_ST_NOT_FOUND); |
393 | if (sdi->status <= SR_ST_INACTIVE) | |
394 | return SR_OK; | |
395 | ||
4c80a272 TK |
396 | /* |
397 | * If device has DMM_CMD_SETUP_LOCAL command, send it now | |
398 | * to avoid leaving device in remote mode. | |
399 | */ | |
400 | command = sr_scpi_cmd_get(devc->cmdset, DMM_CMD_SETUP_LOCAL); | |
401 | if (command && *command) { | |
402 | scpi_dmm_cmd_delay(scpi); | |
403 | sr_scpi_send(scpi, command); | |
404 | } | |
405 | ||
3cdad416 | 406 | return sr_scpi_close(scpi); |
7a396ff5 GS |
407 | } |
408 | ||
409 | static int config_get(uint32_t key, GVariant **data, | |
410 | const struct sr_dev_inst *sdi, const struct sr_channel_group *cg) | |
411 | { | |
3cdad416 GS |
412 | struct dev_context *devc; |
413 | enum sr_mq mq; | |
414 | enum sr_mqflag mqflag; | |
415 | GVariant *arr[2]; | |
7a396ff5 GS |
416 | int ret; |
417 | ||
7a396ff5 GS |
418 | (void)cg; |
419 | ||
3cdad416 GS |
420 | devc = sdi->priv; |
421 | ||
7a396ff5 | 422 | switch (key) { |
7d95afb9 GS |
423 | case SR_CONF_CONN: |
424 | if (!sdi || !sdi->connection_id) | |
425 | return SR_ERR_NA; | |
426 | *data = g_variant_new_string(sdi->connection_id); | |
427 | return SR_OK; | |
3cdad416 GS |
428 | case SR_CONF_LIMIT_SAMPLES: |
429 | case SR_CONF_LIMIT_MSEC: | |
430 | return sr_sw_limits_config_get(&devc->limits, key, data); | |
431 | case SR_CONF_MEASURED_QUANTITY: | |
08f3b427 | 432 | ret = scpi_dmm_get_mq(sdi, &mq, &mqflag, NULL, NULL); |
3cdad416 GS |
433 | if (ret != SR_OK) |
434 | return ret; | |
435 | arr[0] = g_variant_new_uint32(mq); | |
436 | arr[1] = g_variant_new_uint64(mqflag); | |
437 | *data = g_variant_new_tuple(arr, ARRAY_SIZE(arr)); | |
438 | return SR_OK; | |
7a396ff5 GS |
439 | default: |
440 | return SR_ERR_NA; | |
441 | } | |
7a396ff5 GS |
442 | } |
443 | ||
444 | static int config_set(uint32_t key, GVariant *data, | |
445 | const struct sr_dev_inst *sdi, const struct sr_channel_group *cg) | |
446 | { | |
3cdad416 GS |
447 | struct dev_context *devc; |
448 | enum sr_mq mq; | |
449 | enum sr_mqflag mqflag; | |
450 | GVariant *tuple_child; | |
7a396ff5 | 451 | |
7a396ff5 GS |
452 | (void)cg; |
453 | ||
3cdad416 GS |
454 | devc = sdi->priv; |
455 | ||
7a396ff5 | 456 | switch (key) { |
3cdad416 GS |
457 | case SR_CONF_LIMIT_SAMPLES: |
458 | case SR_CONF_LIMIT_MSEC: | |
459 | return sr_sw_limits_config_set(&devc->limits, key, data); | |
460 | case SR_CONF_MEASURED_QUANTITY: | |
461 | tuple_child = g_variant_get_child_value(data, 0); | |
462 | mq = g_variant_get_uint32(tuple_child); | |
ff5fb185 | 463 | g_variant_unref(tuple_child); |
3cdad416 GS |
464 | tuple_child = g_variant_get_child_value(data, 1); |
465 | mqflag = g_variant_get_uint64(tuple_child); | |
466 | g_variant_unref(tuple_child); | |
467 | return scpi_dmm_set_mq(sdi, mq, mqflag); | |
7a396ff5 | 468 | default: |
3cdad416 | 469 | return SR_ERR_NA; |
7a396ff5 | 470 | } |
7a396ff5 GS |
471 | } |
472 | ||
473 | static int config_list(uint32_t key, GVariant **data, | |
474 | const struct sr_dev_inst *sdi, const struct sr_channel_group *cg) | |
475 | { | |
3cdad416 GS |
476 | struct dev_context *devc; |
477 | GVariant *gvar, *arr[2]; | |
478 | GVariantBuilder gvb; | |
479 | size_t i; | |
7a396ff5 | 480 | |
7a396ff5 GS |
481 | (void)cg; |
482 | ||
3cdad416 GS |
483 | devc = sdi ? sdi->priv : NULL; |
484 | ||
7a396ff5 | 485 | switch (key) { |
3cdad416 GS |
486 | case SR_CONF_SCAN_OPTIONS: |
487 | case SR_CONF_DEVICE_OPTIONS: | |
1d2f9963 GS |
488 | if (!devc) |
489 | return STD_CONFIG_LIST(key, data, sdi, cg, | |
490 | scanopts, drvopts, devopts_generic); | |
491 | return std_opts_config_list(key, data, sdi, cg, | |
492 | ARRAY_AND_SIZE(scanopts), ARRAY_AND_SIZE(drvopts), | |
493 | devc->model->devopts, devc->model->devopts_size); | |
3cdad416 GS |
494 | case SR_CONF_MEASURED_QUANTITY: |
495 | /* TODO Use std_gvar_measured_quantities() when available. */ | |
496 | if (!devc) | |
497 | return SR_ERR_ARG; | |
498 | g_variant_builder_init(&gvb, G_VARIANT_TYPE_ARRAY); | |
499 | for (i = 0; i < devc->model->mqopt_size; i++) { | |
500 | arr[0] = g_variant_new_uint32(devc->model->mqopts[i].mq); | |
501 | arr[1] = g_variant_new_uint64(devc->model->mqopts[i].mqflag); | |
502 | gvar = g_variant_new_tuple(arr, ARRAY_SIZE(arr)); | |
503 | g_variant_builder_add_value(&gvb, gvar); | |
504 | } | |
505 | *data = g_variant_builder_end(&gvb); | |
506 | return SR_OK; | |
7a396ff5 | 507 | default: |
3cdad416 | 508 | (void)devc; |
7a396ff5 GS |
509 | return SR_ERR_NA; |
510 | } | |
7a396ff5 GS |
511 | } |
512 | ||
513 | static int dev_acquisition_start(const struct sr_dev_inst *sdi) | |
514 | { | |
3cdad416 GS |
515 | struct sr_scpi_dev_inst *scpi; |
516 | struct dev_context *devc; | |
517 | int ret; | |
08f3b427 | 518 | const struct mqopt_item *item; |
3cdad416 | 519 | const char *command; |
d0b602f0 | 520 | char *response; |
3cdad416 GS |
521 | |
522 | scpi = sdi->conn; | |
523 | devc = sdi->priv; | |
524 | ||
525 | ret = scpi_dmm_get_mq(sdi, &devc->start_acq_mq.curr_mq, | |
08f3b427 | 526 | &devc->start_acq_mq.curr_mqflag, NULL, &item); |
3cdad416 GS |
527 | if (ret != SR_OK) |
528 | return ret; | |
529 | ||
d0b602f0 TK |
530 | /* |
531 | * Query for current precision if DMM supports the command | |
532 | */ | |
533 | command = sr_scpi_cmd_get(devc->cmdset, DMM_CMD_QUERY_PREC); | |
534 | if (command && *command) { | |
535 | scpi_dmm_cmd_delay(scpi); | |
536 | ret = sr_scpi_get_string(scpi, command, &response); | |
537 | if (ret == SR_OK) { | |
538 | g_strstrip(response); | |
33aa8117 GS |
539 | g_free(devc->precision); |
540 | devc->precision = g_strdup(response); | |
d0b602f0 TK |
541 | g_free(response); |
542 | sr_dbg("%s: Precision: '%s'", __func__, devc->precision); | |
543 | } else { | |
33aa8117 GS |
544 | sr_info("Precision query ('%s') failed: %d", |
545 | command, ret); | |
d0b602f0 TK |
546 | } |
547 | } | |
548 | ||
3cdad416 GS |
549 | command = sr_scpi_cmd_get(devc->cmdset, DMM_CMD_START_ACQ); |
550 | if (command && *command) { | |
3cdad416 | 551 | scpi_dmm_cmd_delay(scpi); |
28877994 | 552 | ret = sr_scpi_send(scpi, command); |
3cdad416 GS |
553 | if (ret != SR_OK) |
554 | return ret; | |
555 | } | |
7a396ff5 | 556 | |
3cdad416 GS |
557 | sr_sw_limits_acquisition_start(&devc->limits); |
558 | ret = std_session_send_df_header(sdi); | |
559 | if (ret != SR_OK) | |
560 | return ret; | |
561 | ||
562 | ret = sr_scpi_source_add(sdi->session, scpi, G_IO_IN, 10, | |
563 | scpi_dmm_receive_data, (void *)sdi); | |
564 | if (ret != SR_OK) | |
565 | return ret; | |
7a396ff5 GS |
566 | |
567 | return SR_OK; | |
568 | } | |
569 | ||
570 | static int dev_acquisition_stop(struct sr_dev_inst *sdi) | |
571 | { | |
3cdad416 GS |
572 | struct sr_scpi_dev_inst *scpi; |
573 | struct dev_context *devc; | |
574 | const char *command; | |
575 | ||
576 | scpi = sdi->conn; | |
577 | devc = sdi->priv; | |
7a396ff5 | 578 | |
3cdad416 GS |
579 | command = sr_scpi_cmd_get(devc->cmdset, DMM_CMD_STOP_ACQ); |
580 | if (command && *command) { | |
3cdad416 | 581 | scpi_dmm_cmd_delay(scpi); |
28877994 | 582 | (void)sr_scpi_send(scpi, command); |
3cdad416 GS |
583 | } |
584 | sr_scpi_source_remove(sdi->session, scpi); | |
585 | ||
586 | std_session_send_df_end(sdi); | |
7a396ff5 | 587 | |
33aa8117 GS |
588 | g_free(devc->precision); |
589 | devc->precision = NULL; | |
d0b602f0 | 590 | |
7a396ff5 GS |
591 | return SR_OK; |
592 | } | |
593 | ||
0617bb5a | 594 | static struct sr_dev_driver scpi_dmm_driver_info = { |
7a396ff5 GS |
595 | .name = "scpi-dmm", |
596 | .longname = "SCPI DMM", | |
597 | .api_version = 1, | |
598 | .init = std_init, | |
599 | .cleanup = std_cleanup, | |
600 | .scan = scan, | |
601 | .dev_list = std_dev_list, | |
602 | .dev_clear = std_dev_clear, | |
603 | .config_get = config_get, | |
604 | .config_set = config_set, | |
605 | .config_list = config_list, | |
606 | .dev_open = dev_open, | |
607 | .dev_close = dev_close, | |
608 | .dev_acquisition_start = dev_acquisition_start, | |
609 | .dev_acquisition_stop = dev_acquisition_stop, | |
610 | .context = NULL, | |
611 | }; | |
7a396ff5 | 612 | SR_REGISTER_DEV_DRIVER(scpi_dmm_driver_info); |