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1 | /* | |
2 | * This file is part of the libsigrok project. | |
3 | * | |
4 | * Copyright (C) 2018 James Churchill <pelrun@gmail.com> | |
5 | * Copyright (C) 2019 Frank Stettner <frank-stettner@gmx.net> | |
6 | * Copyright (C) 2021 Gerhard Sittig <gerhard.sittig@gmx.net> | |
7 | * | |
8 | * This program is free software: you can redistribute it and/or modify | |
9 | * it under the terms of the GNU General Public License as published by | |
10 | * the Free Software Foundation, either version 3 of the License, or | |
11 | * (at your option) any later version. | |
12 | * | |
13 | * This program is distributed in the hope that it will be useful, | |
14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
16 | * GNU General Public License for more details. | |
17 | * | |
18 | * You should have received a copy of the GNU General Public License | |
19 | * along with this program. If not, see <http://www.gnu.org/licenses/>. | |
20 | */ | |
21 | ||
22 | #include "config.h" | |
23 | ||
24 | #include <string.h> | |
25 | ||
26 | #include "protocol.h" | |
27 | ||
28 | static const uint32_t scanopts[] = { | |
29 | SR_CONF_CONN, | |
30 | SR_CONF_SERIALCOMM, | |
31 | SR_CONF_MODBUSADDR, | |
32 | }; | |
33 | ||
34 | static const uint32_t drvopts[] = { | |
35 | SR_CONF_POWER_SUPPLY, | |
36 | }; | |
37 | ||
38 | static const uint32_t devopts[] = { | |
39 | SR_CONF_CONTINUOUS, | |
40 | SR_CONF_LIMIT_SAMPLES | SR_CONF_GET | SR_CONF_SET, | |
41 | SR_CONF_LIMIT_MSEC | SR_CONF_GET | SR_CONF_SET, | |
42 | SR_CONF_VOLTAGE | SR_CONF_GET, | |
43 | SR_CONF_VOLTAGE_TARGET | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST, | |
44 | SR_CONF_CURRENT | SR_CONF_GET, | |
45 | SR_CONF_CURRENT_LIMIT | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST, | |
46 | SR_CONF_ENABLED | SR_CONF_GET | SR_CONF_SET, | |
47 | SR_CONF_REGULATION | SR_CONF_GET, | |
48 | SR_CONF_OVER_VOLTAGE_PROTECTION_ACTIVE | SR_CONF_GET, | |
49 | SR_CONF_OVER_VOLTAGE_PROTECTION_THRESHOLD | SR_CONF_GET | SR_CONF_SET, | |
50 | SR_CONF_OVER_CURRENT_PROTECTION_ACTIVE | SR_CONF_GET, | |
51 | SR_CONF_OVER_CURRENT_PROTECTION_THRESHOLD | SR_CONF_GET | SR_CONF_SET, | |
52 | }; | |
53 | ||
54 | static const uint32_t devopts_w_range[] = { | |
55 | SR_CONF_CONTINUOUS, | |
56 | SR_CONF_LIMIT_SAMPLES | SR_CONF_GET | SR_CONF_SET, | |
57 | SR_CONF_LIMIT_MSEC | SR_CONF_GET | SR_CONF_SET, | |
58 | SR_CONF_VOLTAGE | SR_CONF_GET, | |
59 | SR_CONF_VOLTAGE_TARGET | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST, | |
60 | SR_CONF_CURRENT | SR_CONF_GET, | |
61 | SR_CONF_CURRENT_LIMIT | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST, | |
62 | SR_CONF_ENABLED | SR_CONF_GET | SR_CONF_SET, | |
63 | SR_CONF_REGULATION | SR_CONF_GET, | |
64 | SR_CONF_OVER_VOLTAGE_PROTECTION_ACTIVE | SR_CONF_GET, | |
65 | SR_CONF_OVER_VOLTAGE_PROTECTION_THRESHOLD | SR_CONF_GET | SR_CONF_SET, | |
66 | SR_CONF_OVER_CURRENT_PROTECTION_ACTIVE | SR_CONF_GET, | |
67 | SR_CONF_OVER_CURRENT_PROTECTION_THRESHOLD | SR_CONF_GET | SR_CONF_SET, | |
68 | SR_CONF_RANGE | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST, | |
69 | }; | |
70 | ||
71 | /* Range name, max current/voltage/power, current/voltage digits. */ | |
72 | static const struct rdtech_dps_range ranges_dps3005[] = { | |
73 | { "5A", 5, 30, 160, 3, 2 } | |
74 | }; | |
75 | ||
76 | static const struct rdtech_dps_range ranges_dps5005[] = { | |
77 | { "5A", 5, 50, 250, 3, 2 } | |
78 | }; | |
79 | ||
80 | static const struct rdtech_dps_range ranges_dps5015[] = { | |
81 | { "15A", 15, 50, 750, 2, 2 } | |
82 | }; | |
83 | ||
84 | static const struct rdtech_dps_range ranges_dps5020[] = { | |
85 | { "20A", 20, 50, 1000, 2, 2 } | |
86 | }; | |
87 | ||
88 | static const struct rdtech_dps_range ranges_dps8005[] = { | |
89 | { "5A", 5, 80, 408, 3, 2 } | |
90 | }; | |
91 | ||
92 | static const struct rdtech_dps_range ranges_rd6006[] = { | |
93 | { "6A", 6, 60, 360, 3, 2 } | |
94 | }; | |
95 | ||
96 | static const struct rdtech_dps_range ranges_rd6006p[] = { | |
97 | { "6A", 6, 60, 360, 4, 3 } | |
98 | }; | |
99 | ||
100 | static const struct rdtech_dps_range ranges_rd6012[] = { | |
101 | { "12A", 12, 60, 720, 2, 2 } | |
102 | }; | |
103 | ||
104 | /* | |
105 | * RD6012P supports multiple current ranges with differing resolution. | |
106 | * Up to 6A with 4 digits (when RTU reg 20 == 0), up to 12A with 3 digits | |
107 | * (when RTU reg 20 == 1). | |
108 | */ | |
109 | static const struct rdtech_dps_range ranges_rd6012p[] = { | |
110 | { "6A", 6, 60, 360, 4, 3 }, | |
111 | { "12A", 12, 60, 720, 3, 3 } | |
112 | }; | |
113 | ||
114 | static const struct rdtech_dps_range ranges_rd6018[] = { | |
115 | { "18A", 18, 60, 1080, 2, 2 } | |
116 | }; | |
117 | ||
118 | static const struct rdtech_dps_range ranges_rd6024[] = { | |
119 | { "24A", 24, 60, 1440, 2, 2 } | |
120 | }; | |
121 | ||
122 | /* Model ID, model name, model dependent ranges. */ | |
123 | static const struct rdtech_dps_model supported_models[] = { | |
124 | { MODEL_DPS, 3005, "DPS3005", ARRAY_AND_SIZE(ranges_dps3005), }, | |
125 | { MODEL_DPS, 5005, "DPS5005", ARRAY_AND_SIZE(ranges_dps5005), }, | |
126 | { MODEL_DPS, 5205, "DPH5005", ARRAY_AND_SIZE(ranges_dps5005), }, | |
127 | { MODEL_DPS, 5015, "DPS5015", ARRAY_AND_SIZE(ranges_dps5015), }, | |
128 | { MODEL_DPS, 5020, "DPS5020", ARRAY_AND_SIZE(ranges_dps5020), }, | |
129 | { MODEL_DPS, 8005, "DPS8005", ARRAY_AND_SIZE(ranges_dps8005), }, | |
130 | /* | |
131 | * Specs for models RD60nn taken from the 2020.12.2 instruction manual, | |
132 | * specs for RD6006P from the 2021.2.26 (english) manual, | |
133 | * specs for RD6012P from the 2021.10.26 (english) manual, | |
134 | * and specs for RD6024P from the 2021.1.7 (english) manual. | |
135 | */ | |
136 | { MODEL_RD, 60061, "RD6006" , ARRAY_AND_SIZE(ranges_rd6006), }, | |
137 | { MODEL_RD, 60062, "RD6006" , ARRAY_AND_SIZE(ranges_rd6006), }, | |
138 | { MODEL_RD, 60065, "RD6006P", ARRAY_AND_SIZE(ranges_rd6006p), }, | |
139 | { MODEL_RD, 60121, "RD6012" , ARRAY_AND_SIZE(ranges_rd6012), }, | |
140 | { MODEL_RD, 60125, "RD6012P", ARRAY_AND_SIZE(ranges_rd6012p), }, | |
141 | { MODEL_RD, 60181, "RD6018" , ARRAY_AND_SIZE(ranges_rd6018), }, | |
142 | { MODEL_RD, 60241, "RD6024" , ARRAY_AND_SIZE(ranges_rd6024), }, | |
143 | }; | |
144 | ||
145 | static struct sr_dev_driver rdtech_dps_driver_info; | |
146 | static struct sr_dev_driver rdtech_rd_driver_info; | |
147 | ||
148 | static struct sr_dev_inst *probe_device(struct sr_modbus_dev_inst *modbus, | |
149 | enum rdtech_dps_model_type model_type) | |
150 | { | |
151 | static const char *type_prefix[] = { | |
152 | [MODEL_DPS] = "DPS", | |
153 | [MODEL_RD] = "RD", | |
154 | }; | |
155 | ||
156 | uint16_t id, version; | |
157 | uint32_t serno; | |
158 | int ret; | |
159 | const struct rdtech_dps_model *model, *supported; | |
160 | size_t i; | |
161 | struct sr_dev_inst *sdi; | |
162 | struct dev_context *devc; | |
163 | ||
164 | ret = rdtech_dps_get_model_version(modbus, | |
165 | model_type, &id, &version, &serno); | |
166 | sr_dbg("probe: ret %d, type %s, model %u, vers %u, snr %u.", | |
167 | ret, type_prefix[model_type], id, version, serno); | |
168 | if (ret != SR_OK) | |
169 | return NULL; | |
170 | model = NULL; | |
171 | for (i = 0; i < ARRAY_SIZE(supported_models); i++) { | |
172 | supported = &supported_models[i]; | |
173 | if (model_type != supported->model_type) | |
174 | continue; | |
175 | if (id != supported->id) | |
176 | continue; | |
177 | model = supported; | |
178 | break; | |
179 | } | |
180 | if (!model) { | |
181 | sr_err("Unknown model: %s%u.", type_prefix[model_type], id); | |
182 | return NULL; | |
183 | } | |
184 | ||
185 | sdi = g_malloc0(sizeof(*sdi)); | |
186 | sdi->status = SR_ST_INACTIVE; | |
187 | sdi->vendor = g_strdup("RDTech"); | |
188 | switch (model_type) { | |
189 | case MODEL_DPS: | |
190 | sdi->model = g_strdup(model->name); | |
191 | sdi->version = g_strdup_printf("v%u", version); | |
192 | sdi->driver = &rdtech_dps_driver_info; | |
193 | break; | |
194 | case MODEL_RD: | |
195 | sdi->model = g_strdup(model->name); | |
196 | sdi->version = g_strdup_printf("v%u.%u", | |
197 | version / 100, version % 100); | |
198 | if (serno) | |
199 | sdi->serial_num = g_strdup_printf("%u", serno); | |
200 | sdi->driver = &rdtech_rd_driver_info; | |
201 | break; | |
202 | default: | |
203 | sr_err("Programming error, unhandled DPS/DPH/RD device type."); | |
204 | g_free(sdi->vendor); | |
205 | g_free(sdi); | |
206 | return NULL; | |
207 | } | |
208 | sdi->conn = modbus; | |
209 | sdi->inst_type = SR_INST_MODBUS; | |
210 | ||
211 | sr_channel_new(sdi, 0, SR_CHANNEL_ANALOG, TRUE, "V"); | |
212 | sr_channel_new(sdi, 1, SR_CHANNEL_ANALOG, TRUE, "I"); | |
213 | sr_channel_new(sdi, 2, SR_CHANNEL_ANALOG, TRUE, "P"); | |
214 | ||
215 | devc = g_malloc0(sizeof(*devc)); | |
216 | sdi->priv = devc; | |
217 | sr_sw_limits_init(&devc->limits); | |
218 | devc->model = model; | |
219 | ret = rdtech_dps_update_range(sdi); | |
220 | if (ret != SR_OK) | |
221 | return NULL; | |
222 | ||
223 | return sdi; | |
224 | } | |
225 | ||
226 | static struct sr_dev_inst *probe_device_dps(struct sr_modbus_dev_inst *modbus) | |
227 | { | |
228 | return probe_device(modbus, MODEL_DPS); | |
229 | } | |
230 | ||
231 | static struct sr_dev_inst *probe_device_rd(struct sr_modbus_dev_inst *modbus) | |
232 | { | |
233 | return probe_device(modbus, MODEL_RD); | |
234 | } | |
235 | ||
236 | static int config_compare(gconstpointer a, gconstpointer b) | |
237 | { | |
238 | const struct sr_config *ac = a, *bc = b; | |
239 | return ac->key != bc->key; | |
240 | } | |
241 | ||
242 | static GSList *scan(struct sr_dev_driver *di, GSList *options, | |
243 | enum rdtech_dps_model_type model_type) | |
244 | { | |
245 | static const char *default_serialcomm_dps = "9600/8n1"; | |
246 | static const char *default_serialcomm_rd = "115200/8n1"; | |
247 | ||
248 | struct sr_config default_serialcomm = { | |
249 | .key = SR_CONF_SERIALCOMM, | |
250 | .data = NULL, | |
251 | }; | |
252 | struct sr_config default_modbusaddr = { | |
253 | .key = SR_CONF_MODBUSADDR, | |
254 | .data = g_variant_new_uint64(1), | |
255 | }; | |
256 | GSList *opts, *devices; | |
257 | const char *serialcomm; | |
258 | struct sr_dev_inst *(*probe_func)(struct sr_modbus_dev_inst *modbus); | |
259 | ||
260 | /* TODO See why di->context isn't available yet at this time. */ | |
261 | serialcomm = NULL; | |
262 | probe_func = NULL; | |
263 | if (di->context == &rdtech_dps_driver_info || model_type == MODEL_DPS) { | |
264 | serialcomm = default_serialcomm_dps; | |
265 | probe_func = probe_device_dps; | |
266 | } | |
267 | if (di->context == &rdtech_rd_driver_info || model_type == MODEL_RD) { | |
268 | serialcomm = default_serialcomm_rd; | |
269 | probe_func = probe_device_rd; | |
270 | } | |
271 | if (!probe_func) | |
272 | return NULL; | |
273 | if (serialcomm && *serialcomm) | |
274 | default_serialcomm.data = g_variant_new_string(serialcomm); | |
275 | ||
276 | opts = options; | |
277 | if (!g_slist_find_custom(options, &default_serialcomm, config_compare)) | |
278 | opts = g_slist_prepend(opts, &default_serialcomm); | |
279 | if (!g_slist_find_custom(options, &default_modbusaddr, config_compare)) | |
280 | opts = g_slist_prepend(opts, &default_modbusaddr); | |
281 | ||
282 | devices = sr_modbus_scan(di->context, opts, probe_func); | |
283 | ||
284 | while (opts != options) | |
285 | opts = g_slist_delete_link(opts, opts); | |
286 | g_variant_unref(default_serialcomm.data); | |
287 | g_variant_unref(default_modbusaddr.data); | |
288 | ||
289 | return devices; | |
290 | } | |
291 | ||
292 | static GSList *scan_dps(struct sr_dev_driver *di, GSList *options) | |
293 | { | |
294 | return scan(di, options, MODEL_DPS); | |
295 | } | |
296 | ||
297 | static GSList *scan_rd(struct sr_dev_driver *di, GSList *options) | |
298 | { | |
299 | return scan(di, options, MODEL_RD); | |
300 | } | |
301 | ||
302 | static int dev_open(struct sr_dev_inst *sdi) | |
303 | { | |
304 | struct sr_modbus_dev_inst *modbus; | |
305 | struct rdtech_dps_state state; | |
306 | int ret; | |
307 | ||
308 | modbus = sdi->conn; | |
309 | if (sr_modbus_open(modbus) < 0) | |
310 | return SR_ERR; | |
311 | ||
312 | memset(&state, 0, sizeof(state)); | |
313 | state.lock = TRUE; | |
314 | state.mask |= STATE_LOCK; | |
315 | ret = rdtech_dps_set_state(sdi, &state); | |
316 | if (ret != SR_OK) | |
317 | return ret; | |
318 | ||
319 | return SR_OK; | |
320 | } | |
321 | ||
322 | static int dev_close(struct sr_dev_inst *sdi) | |
323 | { | |
324 | struct sr_modbus_dev_inst *modbus; | |
325 | struct rdtech_dps_state state; | |
326 | ||
327 | modbus = sdi->conn; | |
328 | if (!modbus) | |
329 | return SR_ERR_BUG; | |
330 | ||
331 | memset(&state, 0, sizeof(state)); | |
332 | state.lock = FALSE; | |
333 | state.mask |= STATE_LOCK; | |
334 | (void)rdtech_dps_set_state(sdi, &state); | |
335 | ||
336 | return sr_modbus_close(modbus); | |
337 | } | |
338 | ||
339 | static int config_get(uint32_t key, GVariant **data, | |
340 | const struct sr_dev_inst *sdi, const struct sr_channel_group *cg) | |
341 | { | |
342 | struct dev_context *devc; | |
343 | struct rdtech_dps_state state; | |
344 | int ret; | |
345 | const char *cc_text, *range_text; | |
346 | ||
347 | (void)cg; | |
348 | ||
349 | devc = sdi->priv; | |
350 | ||
351 | ret = SR_OK; | |
352 | switch (key) { | |
353 | case SR_CONF_LIMIT_SAMPLES: | |
354 | case SR_CONF_LIMIT_MSEC: | |
355 | ret = sr_sw_limits_config_get(&devc->limits, key, data); | |
356 | break; | |
357 | case SR_CONF_ENABLED: | |
358 | ret = rdtech_dps_get_state(sdi, &state, ST_CTX_CONFIG); | |
359 | if (ret != SR_OK) | |
360 | return ret; | |
361 | if (!(state.mask & STATE_OUTPUT_ENABLED)) | |
362 | return SR_ERR_DATA; | |
363 | *data = g_variant_new_boolean(state.output_enabled); | |
364 | break; | |
365 | case SR_CONF_REGULATION: | |
366 | ret = rdtech_dps_get_state(sdi, &state, ST_CTX_CONFIG); | |
367 | if (ret != SR_OK) | |
368 | return ret; | |
369 | if (!(state.mask & STATE_REGULATION_CC)) | |
370 | return SR_ERR_DATA; | |
371 | cc_text = state.regulation_cc ? "CC" : "CV"; | |
372 | *data = g_variant_new_string(cc_text); | |
373 | break; | |
374 | case SR_CONF_VOLTAGE: | |
375 | ret = rdtech_dps_get_state(sdi, &state, ST_CTX_CONFIG); | |
376 | if (ret != SR_OK) | |
377 | return ret; | |
378 | if (!(state.mask & STATE_VOLTAGE)) | |
379 | return SR_ERR_DATA; | |
380 | *data = g_variant_new_double(state.voltage); | |
381 | break; | |
382 | case SR_CONF_VOLTAGE_TARGET: | |
383 | ret = rdtech_dps_get_state(sdi, &state, ST_CTX_CONFIG); | |
384 | if (ret != SR_OK) | |
385 | return ret; | |
386 | if (!(state.mask & STATE_VOLTAGE_TARGET)) | |
387 | return SR_ERR_DATA; | |
388 | *data = g_variant_new_double(state.voltage_target); | |
389 | break; | |
390 | case SR_CONF_CURRENT: | |
391 | ret = rdtech_dps_get_state(sdi, &state, ST_CTX_CONFIG); | |
392 | if (ret != SR_OK) | |
393 | return ret; | |
394 | if (!(state.mask & STATE_CURRENT)) | |
395 | return SR_ERR_DATA; | |
396 | *data = g_variant_new_double(state.current); | |
397 | break; | |
398 | case SR_CONF_CURRENT_LIMIT: | |
399 | ret = rdtech_dps_get_state(sdi, &state, ST_CTX_CONFIG); | |
400 | if (ret != SR_OK) | |
401 | return ret; | |
402 | if (!(state.mask & STATE_CURRENT_LIMIT)) | |
403 | return SR_ERR_DATA; | |
404 | *data = g_variant_new_double(state.current_limit); | |
405 | break; | |
406 | case SR_CONF_OVER_VOLTAGE_PROTECTION_ENABLED: | |
407 | ret = rdtech_dps_get_state(sdi, &state, ST_CTX_CONFIG); | |
408 | if (ret != SR_OK) | |
409 | return ret; | |
410 | if (!(state.mask & STATE_PROTECT_ENABLED)) | |
411 | return SR_ERR_DATA; | |
412 | *data = g_variant_new_boolean(state.protect_enabled); | |
413 | break; | |
414 | case SR_CONF_OVER_VOLTAGE_PROTECTION_ACTIVE: | |
415 | ret = rdtech_dps_get_state(sdi, &state, ST_CTX_CONFIG); | |
416 | if (ret != SR_OK) | |
417 | return ret; | |
418 | if (!(state.mask & STATE_PROTECT_OVP)) | |
419 | return SR_ERR_DATA; | |
420 | *data = g_variant_new_boolean(state.protect_ovp); | |
421 | break; | |
422 | case SR_CONF_OVER_VOLTAGE_PROTECTION_THRESHOLD: | |
423 | ret = rdtech_dps_get_state(sdi, &state, ST_CTX_CONFIG); | |
424 | if (ret != SR_OK) | |
425 | return ret; | |
426 | if (!(state.mask & STATE_OUTPUT_ENABLED)) | |
427 | return SR_ERR_DATA; | |
428 | *data = g_variant_new_double(state.ovp_threshold); | |
429 | break; | |
430 | case SR_CONF_OVER_CURRENT_PROTECTION_ENABLED: | |
431 | ret = rdtech_dps_get_state(sdi, &state, ST_CTX_CONFIG); | |
432 | if (ret != SR_OK) | |
433 | return ret; | |
434 | if (!(state.mask & STATE_PROTECT_ENABLED)) | |
435 | return SR_ERR_DATA; | |
436 | *data = g_variant_new_boolean(state.protect_enabled); | |
437 | break; | |
438 | case SR_CONF_OVER_CURRENT_PROTECTION_ACTIVE: | |
439 | ret = rdtech_dps_get_state(sdi, &state, ST_CTX_CONFIG); | |
440 | if (ret != SR_OK) | |
441 | return ret; | |
442 | if (!(state.mask & STATE_PROTECT_OCP)) | |
443 | return SR_ERR_DATA; | |
444 | *data = g_variant_new_boolean(state.protect_ocp); | |
445 | break; | |
446 | case SR_CONF_OVER_CURRENT_PROTECTION_THRESHOLD: | |
447 | ret = rdtech_dps_get_state(sdi, &state, ST_CTX_CONFIG); | |
448 | if (ret != SR_OK) | |
449 | return ret; | |
450 | if (!(state.mask & STATE_OCP_THRESHOLD)) | |
451 | return SR_ERR_DATA; | |
452 | *data = g_variant_new_double(state.ocp_threshold); | |
453 | break; | |
454 | case SR_CONF_RANGE: | |
455 | ret = rdtech_dps_get_state(sdi, &state, ST_CTX_CONFIG); | |
456 | if (ret != SR_OK) | |
457 | return ret; | |
458 | if (!(state.mask & STATE_RANGE)) | |
459 | return SR_ERR_DATA; | |
460 | range_text = devc->model->ranges[state.range].range_str; | |
461 | *data = g_variant_new_string(range_text); | |
462 | break; | |
463 | default: | |
464 | return SR_ERR_NA; | |
465 | } | |
466 | ||
467 | return ret; | |
468 | } | |
469 | ||
470 | static int config_set(uint32_t key, GVariant *data, | |
471 | const struct sr_dev_inst *sdi, const struct sr_channel_group *cg) | |
472 | { | |
473 | struct dev_context *devc; | |
474 | struct rdtech_dps_state state; | |
475 | const char *range_str; | |
476 | const struct rdtech_dps_range *range; | |
477 | size_t i; | |
478 | ||
479 | (void)cg; | |
480 | ||
481 | devc = sdi->priv; | |
482 | memset(&state, 0, sizeof(state)); | |
483 | ||
484 | switch (key) { | |
485 | case SR_CONF_LIMIT_SAMPLES: | |
486 | case SR_CONF_LIMIT_MSEC: | |
487 | return sr_sw_limits_config_set(&devc->limits, key, data); | |
488 | case SR_CONF_ENABLED: | |
489 | state.output_enabled = g_variant_get_boolean(data); | |
490 | state.mask |= STATE_OUTPUT_ENABLED; | |
491 | return rdtech_dps_set_state(sdi, &state); | |
492 | case SR_CONF_VOLTAGE_TARGET: | |
493 | state.voltage_target = g_variant_get_double(data); | |
494 | state.mask |= STATE_VOLTAGE_TARGET; | |
495 | return rdtech_dps_set_state(sdi, &state); | |
496 | case SR_CONF_CURRENT_LIMIT: | |
497 | state.current_limit = g_variant_get_double(data); | |
498 | state.mask |= STATE_CURRENT_LIMIT; | |
499 | return rdtech_dps_set_state(sdi, &state); | |
500 | case SR_CONF_OVER_VOLTAGE_PROTECTION_THRESHOLD: | |
501 | state.ovp_threshold = g_variant_get_double(data); | |
502 | state.mask |= STATE_OVP_THRESHOLD; | |
503 | return rdtech_dps_set_state(sdi, &state); | |
504 | case SR_CONF_OVER_CURRENT_PROTECTION_THRESHOLD: | |
505 | state.ocp_threshold = g_variant_get_double(data); | |
506 | state.mask |= STATE_OCP_THRESHOLD; | |
507 | return rdtech_dps_set_state(sdi, &state); | |
508 | case SR_CONF_RANGE: | |
509 | range_str = g_variant_get_string(data, NULL); | |
510 | for (i = 0; i < devc->model->n_ranges; i++) { | |
511 | range = &devc->model->ranges[i]; | |
512 | if (g_strcmp0(range->range_str, range_str) != 0) | |
513 | continue; | |
514 | state.range = i; | |
515 | state.mask |= STATE_RANGE; | |
516 | return rdtech_dps_set_state(sdi, &state); | |
517 | } | |
518 | return SR_ERR_NA; | |
519 | default: | |
520 | return SR_ERR_NA; | |
521 | } | |
522 | ||
523 | return SR_OK; | |
524 | } | |
525 | ||
526 | static int config_list(uint32_t key, GVariant **data, | |
527 | const struct sr_dev_inst *sdi, const struct sr_channel_group *cg) | |
528 | { | |
529 | struct dev_context *devc; | |
530 | const struct rdtech_dps_range *range; | |
531 | GVariantBuilder gvb; | |
532 | size_t i; | |
533 | const char *s; | |
534 | ||
535 | devc = (sdi) ? sdi->priv : NULL; | |
536 | ||
537 | switch (key) { | |
538 | case SR_CONF_SCAN_OPTIONS: | |
539 | case SR_CONF_DEVICE_OPTIONS: | |
540 | if (devc && devc->model->n_ranges > 1) { | |
541 | return STD_CONFIG_LIST(key, data, sdi, cg, | |
542 | scanopts, drvopts, devopts_w_range); | |
543 | } else { | |
544 | return STD_CONFIG_LIST(key, data, sdi, cg, | |
545 | scanopts, drvopts, devopts); | |
546 | } | |
547 | case SR_CONF_VOLTAGE_TARGET: | |
548 | rdtech_dps_update_range(sdi); | |
549 | range = &devc->model->ranges[devc->curr_range]; | |
550 | *data = std_gvar_min_max_step(0.0, range->max_voltage, | |
551 | 1 / devc->voltage_multiplier); | |
552 | break; | |
553 | case SR_CONF_CURRENT_LIMIT: | |
554 | rdtech_dps_update_range(sdi); | |
555 | range = &devc->model->ranges[devc->curr_range]; | |
556 | *data = std_gvar_min_max_step(0.0, range->max_current, | |
557 | 1 / devc->current_multiplier); | |
558 | break; | |
559 | case SR_CONF_RANGE: | |
560 | g_variant_builder_init(&gvb, G_VARIANT_TYPE_ARRAY); | |
561 | for (i = 0; i < devc->model->n_ranges; i++) { | |
562 | s = devc->model->ranges[i].range_str; | |
563 | g_variant_builder_add(&gvb, "s", s); | |
564 | } | |
565 | *data = g_variant_builder_end(&gvb); | |
566 | break; | |
567 | default: | |
568 | return SR_ERR_NA; | |
569 | } | |
570 | ||
571 | return SR_OK; | |
572 | } | |
573 | ||
574 | static int dev_acquisition_start(const struct sr_dev_inst *sdi) | |
575 | { | |
576 | struct dev_context *devc; | |
577 | struct sr_modbus_dev_inst *modbus; | |
578 | int ret; | |
579 | ||
580 | modbus = sdi->conn; | |
581 | devc = sdi->priv; | |
582 | ||
583 | devc->acquisition_started = TRUE; | |
584 | ||
585 | /* Seed internal state from current data. */ | |
586 | ret = rdtech_dps_seed_receive(sdi); | |
587 | if (ret != SR_OK) { | |
588 | devc->acquisition_started = FALSE; | |
589 | return ret; | |
590 | } | |
591 | ||
592 | /* Register the periodic data reception callback. */ | |
593 | ret = sr_modbus_source_add(sdi->session, modbus, G_IO_IN, 10, | |
594 | rdtech_dps_receive_data, (void *)sdi); | |
595 | if (ret != SR_OK) { | |
596 | devc->acquisition_started = FALSE; | |
597 | return ret; | |
598 | } | |
599 | ||
600 | sr_sw_limits_acquisition_start(&devc->limits); | |
601 | std_session_send_df_header(sdi); | |
602 | ||
603 | return SR_OK; | |
604 | } | |
605 | ||
606 | static int dev_acquisition_stop(struct sr_dev_inst *sdi) | |
607 | { | |
608 | struct dev_context *devc; | |
609 | struct sr_modbus_dev_inst *modbus; | |
610 | ||
611 | devc = sdi->priv; | |
612 | ||
613 | std_session_send_df_end(sdi); | |
614 | devc->acquisition_started = FALSE; | |
615 | ||
616 | modbus = sdi->conn; | |
617 | sr_modbus_source_remove(sdi->session, modbus); | |
618 | ||
619 | return SR_OK; | |
620 | } | |
621 | ||
622 | static struct sr_dev_driver rdtech_dps_driver_info = { | |
623 | .name = "rdtech-dps", | |
624 | .longname = "RDTech DPS/DPH series power supply", | |
625 | .api_version = 1, | |
626 | .init = std_init, | |
627 | .cleanup = std_cleanup, | |
628 | .scan = scan_dps, | |
629 | .dev_list = std_dev_list, | |
630 | .dev_clear = std_dev_clear, | |
631 | .config_get = config_get, | |
632 | .config_set = config_set, | |
633 | .config_list = config_list, | |
634 | .dev_open = dev_open, | |
635 | .dev_close = dev_close, | |
636 | .dev_acquisition_start = dev_acquisition_start, | |
637 | .dev_acquisition_stop = dev_acquisition_stop, | |
638 | .context = NULL, | |
639 | }; | |
640 | SR_REGISTER_DEV_DRIVER(rdtech_dps_driver_info); | |
641 | ||
642 | static struct sr_dev_driver rdtech_rd_driver_info = { | |
643 | .name = "rdtech-rd", | |
644 | .longname = "RDTech RD series power supply", | |
645 | .api_version = 1, | |
646 | .init = std_init, | |
647 | .cleanup = std_cleanup, | |
648 | .scan = scan_rd, | |
649 | .dev_list = std_dev_list, | |
650 | .dev_clear = std_dev_clear, | |
651 | .config_get = config_get, | |
652 | .config_set = config_set, | |
653 | .config_list = config_list, | |
654 | .dev_open = dev_open, | |
655 | .dev_close = dev_close, | |
656 | .dev_acquisition_start = dev_acquisition_start, | |
657 | .dev_acquisition_stop = dev_acquisition_stop, | |
658 | .context = NULL, | |
659 | }; | |
660 | SR_REGISTER_DEV_DRIVER(rdtech_rd_driver_info); |