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1 | /* | |
2 | * This file is part of the libsigrok project. | |
3 | * | |
4 | * Copyright (C) 2015 Aurelien Jacobs <aurel@gnuage.org> | |
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 | ||
20 | #include <config.h> | |
21 | #include "protocol.h" | |
22 | ||
23 | static const uint32_t scanopts[] = { | |
24 | SR_CONF_CONN, | |
25 | SR_CONF_SERIALCOMM, | |
26 | SR_CONF_MODBUSADDR | |
27 | }; | |
28 | ||
29 | static const uint32_t drvopts[] = { | |
30 | SR_CONF_ELECTRONIC_LOAD, | |
31 | }; | |
32 | ||
33 | static const uint32_t devopts[] = { | |
34 | SR_CONF_CONTINUOUS | SR_CONF_SET, | |
35 | SR_CONF_LIMIT_SAMPLES | SR_CONF_GET | SR_CONF_SET, | |
36 | SR_CONF_LIMIT_MSEC | SR_CONF_GET | SR_CONF_SET, | |
37 | }; | |
38 | ||
39 | static const uint32_t devopts_cg[] = { | |
40 | SR_CONF_ENABLED | SR_CONF_GET | SR_CONF_SET, | |
41 | SR_CONF_REGULATION | SR_CONF_GET, | |
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_OVER_VOLTAGE_PROTECTION_ENABLED | SR_CONF_GET, | |
47 | SR_CONF_OVER_VOLTAGE_PROTECTION_ACTIVE | SR_CONF_GET, | |
48 | SR_CONF_OVER_VOLTAGE_PROTECTION_THRESHOLD | SR_CONF_GET | SR_CONF_SET, | |
49 | SR_CONF_OVER_CURRENT_PROTECTION_ENABLED | SR_CONF_GET, | |
50 | SR_CONF_OVER_CURRENT_PROTECTION_ACTIVE | SR_CONF_GET, | |
51 | SR_CONF_OVER_CURRENT_PROTECTION_THRESHOLD | SR_CONF_GET | SR_CONF_SET, | |
52 | SR_CONF_OVER_TEMPERATURE_PROTECTION | SR_CONF_GET, | |
53 | SR_CONF_OVER_TEMPERATURE_PROTECTION_ACTIVE | SR_CONF_GET, | |
54 | }; | |
55 | ||
56 | /* The IDs in this list are only guessed and needs to be verified | |
57 | against some real hardware. If at least a few of them matches, | |
58 | it will probably be safe to enable the others. */ | |
59 | static const struct maynuo_m97_model supported_models[] = { | |
60 | // { 53, "M9711" , 30, 150, 150 }, | |
61 | // { 54, "M9712" , 30, 150, 300 }, | |
62 | // { 55, "M9712C" , 60, 150, 300 }, | |
63 | // { 56, "M9713" , 120, 150, 600 }, | |
64 | // { 57, "M9712B" , 15, 500, 300 }, | |
65 | // { 58, "M9713B" , 30, 500, 600 }, | |
66 | // { 59, "M9714" , 240, 150, 1200 }, | |
67 | // { 60, "M9714B" , 60, 500, 1200 }, | |
68 | // { 61, "M9715" , 240, 150, 1800 }, | |
69 | // { 62, "M9715B" , 120, 500, 1800 }, | |
70 | // { 63, "M9716" , 240, 150, 2400 }, | |
71 | // { 64, "M9716B" , 120, 500, 2400 }, | |
72 | // { 65, "M9717C" , 480, 150, 3600 }, | |
73 | // { 66, "M9717" , 240, 150, 3600 }, | |
74 | // { 67, "M9717B" , 120, 500, 3600 }, | |
75 | // { 68, "M9718" , 240, 150, 6000 }, | |
76 | // { 69, "M9718B" , 120, 500, 6000 }, | |
77 | // { 70, "M9718D" , 240, 500, 6000 }, | |
78 | // { 71, "M9836" , 500, 150, 20000 }, | |
79 | // { 72, "M9836B" , 240, 500, 20000 }, | |
80 | // { 73, "M9838B" , 240, 500, 50000 }, | |
81 | // { 74, "M9839B" , 240, 500, 100000 }, | |
82 | // { 75, "M9840B" , 500, 500, 200000 }, | |
83 | // { 76, "M9840" , 1500, 150, 200000 }, | |
84 | // { 77, "M9712B30" , 30, 500, 300 }, | |
85 | // { 78, "M9718E" , 120, 600, 6000 }, | |
86 | // { 79, "M9718F" , 480, 150, 6000 }, | |
87 | // { 80, "M9716E" , 480, 150, 3000 }, | |
88 | // { 81, "M9710" , 30, 150, 150 }, | |
89 | // { 82, "M9834" , 500, 150, 10000 }, | |
90 | // { 83, "M9835" , 500, 150, 15000 }, | |
91 | // { 84, "M9835B" , 240, 500, 15000 }, | |
92 | // { 85, "M9837" , 500, 150, 35000 }, | |
93 | // { 86, "M9837B" , 240, 500, 35000 }, | |
94 | // { 87, "M9838" , 500, 150, 50000 }, | |
95 | // { 88, "M9839" , 500, 150, 100000 }, | |
96 | // { 89, "M9835C" , 1000, 150, 15000 }, /* ?? */ | |
97 | // { 90, "M9836C" , 1000, 150, 20000 }, /* ?? */ | |
98 | // { 91, "M9718F-300", 480, 300, 6000 }, /* ?? */ | |
99 | // { 92, "M9836F" , 1000, 150, 20000 }, /* ?? */ | |
100 | // { 93, "M9836E" , 240, 600, 20000 }, /* ?? */ | |
101 | // { 94, "M9717D" , 240, 500, 3600 }, /* ?? */ | |
102 | // { 95, "M9836B-720", 240, 720, 20000 }, /* ?? */ | |
103 | // { 96, "M9834H" , 500, 150, 10000 }, /* ?? */ | |
104 | // { 97, "M9836H" , 500, 150, 20000 }, /* ?? */ | |
105 | // { 98, "M9718F-500", 480, 500, 6000 }, /* ?? */ | |
106 | // { 99, "M9834B" , 240, 500, 10000 }, /* ?? */ | |
107 | // { 100, "M9811" , 30, 150, 200 }, | |
108 | { 101, "M9812" , 30, 150, 300 }, | |
109 | // { 102, "M9812B" , 15, 500, 300 }, | |
110 | }; | |
111 | ||
112 | SR_PRIV struct sr_dev_driver maynuo_m97_driver_info; | |
113 | ||
114 | static int init(struct sr_dev_driver *di, struct sr_context *sr_ctx) | |
115 | { | |
116 | return std_init(sr_ctx, di, LOG_PREFIX); | |
117 | } | |
118 | ||
119 | static struct sr_dev_inst *probe_device(struct sr_modbus_dev_inst *modbus) | |
120 | { | |
121 | const struct maynuo_m97_model *model = NULL; | |
122 | struct dev_context *devc; | |
123 | struct sr_dev_inst *sdi; | |
124 | struct sr_channel_group *cg; | |
125 | struct sr_channel *ch; | |
126 | uint16_t id, version; | |
127 | unsigned int i; | |
128 | ||
129 | int ret = maynuo_m97_get_model_version(modbus, &id, &version); | |
130 | if (ret != SR_OK) | |
131 | return NULL; | |
132 | for (i = 0; i < ARRAY_SIZE(supported_models); i++) | |
133 | if (id == supported_models[i].id) { | |
134 | model = &supported_models[i]; | |
135 | break; | |
136 | } | |
137 | if (model == NULL) { | |
138 | sr_err("Unkown model: %d.", id); | |
139 | return NULL; | |
140 | } | |
141 | ||
142 | sdi = g_malloc0(sizeof(struct sr_dev_inst)); | |
143 | sdi->status = SR_ST_ACTIVE; | |
144 | sdi->vendor = g_strdup("Maynuo"); | |
145 | sdi->model = g_strdup(model->name); | |
146 | sdi->version = g_strdup_printf("v%d.%d", version/10, version%10); | |
147 | sdi->conn = modbus; | |
148 | sdi->driver = &maynuo_m97_driver_info; | |
149 | sdi->inst_type = SR_INST_MODBUS; | |
150 | ||
151 | cg = g_malloc0(sizeof(struct sr_channel_group)); | |
152 | cg->name = g_strdup("1"); | |
153 | sdi->channel_groups = g_slist_append(sdi->channel_groups, cg); | |
154 | ||
155 | ch = sr_channel_new(sdi, 0, SR_CHANNEL_ANALOG, TRUE, "V1"); | |
156 | cg->channels = g_slist_append(cg->channels, ch); | |
157 | ||
158 | ch = sr_channel_new(sdi, 0, SR_CHANNEL_ANALOG, TRUE, "I1"); | |
159 | cg->channels = g_slist_append(cg->channels, ch); | |
160 | ||
161 | devc = g_malloc0(sizeof(struct dev_context)); | |
162 | devc->model = model; | |
163 | ||
164 | sdi->priv = devc; | |
165 | ||
166 | return sdi; | |
167 | } | |
168 | ||
169 | static int config_compare(gconstpointer a, gconstpointer b) | |
170 | { | |
171 | const struct sr_config *ac = a, *bc = b; | |
172 | return ac->key != bc->key; | |
173 | } | |
174 | ||
175 | static GSList *scan(struct sr_dev_driver *di, GSList *options) | |
176 | { | |
177 | struct sr_config default_serialcomm = { | |
178 | .key = SR_CONF_SERIALCOMM, | |
179 | .data = g_variant_new_string("9600/8n1"), | |
180 | }; | |
181 | struct sr_config default_modbusaddr = { | |
182 | .key = SR_CONF_MODBUSADDR, | |
183 | .data = g_variant_new_uint64(1), | |
184 | }; | |
185 | GSList *opts = options, *devices; | |
186 | ||
187 | if (!g_slist_find_custom(options, &default_serialcomm, config_compare)) | |
188 | opts = g_slist_prepend(opts, &default_serialcomm); | |
189 | if (!g_slist_find_custom(options, &default_modbusaddr, config_compare)) | |
190 | opts = g_slist_prepend(opts, &default_modbusaddr); | |
191 | ||
192 | devices = sr_modbus_scan(di->context, opts, probe_device); | |
193 | ||
194 | while (opts != options) | |
195 | opts = g_slist_delete_link(opts, opts); | |
196 | g_variant_unref(default_serialcomm.data); | |
197 | g_variant_unref(default_modbusaddr.data); | |
198 | ||
199 | return devices; | |
200 | } | |
201 | ||
202 | static GSList *dev_list(const struct sr_dev_driver *di) | |
203 | { | |
204 | return ((struct drv_context *)(di->context))->instances; | |
205 | } | |
206 | ||
207 | static int dev_clear(const struct sr_dev_driver *di) | |
208 | { | |
209 | return std_dev_clear(di, g_free); | |
210 | } | |
211 | ||
212 | static int dev_open(struct sr_dev_inst *sdi) | |
213 | { | |
214 | struct sr_modbus_dev_inst *modbus = sdi->conn; | |
215 | ||
216 | if (sr_modbus_open(modbus) < 0) | |
217 | return SR_ERR; | |
218 | ||
219 | sdi->status = SR_ST_ACTIVE; | |
220 | ||
221 | maynuo_m97_set_bit(modbus, PC1, 1); | |
222 | ||
223 | return SR_OK; | |
224 | } | |
225 | ||
226 | static int dev_close(struct sr_dev_inst *sdi) | |
227 | { | |
228 | struct dev_context *devc; | |
229 | struct sr_modbus_dev_inst *modbus; | |
230 | ||
231 | if (sdi->status != SR_ST_ACTIVE) | |
232 | return SR_ERR_DEV_CLOSED; | |
233 | ||
234 | modbus = sdi->conn; | |
235 | ||
236 | if (modbus) { | |
237 | devc = sdi->priv; | |
238 | if (devc->expecting_registers) { | |
239 | /* Wait for the last data that was requested from the device. */ | |
240 | uint16_t registers[devc->expecting_registers]; | |
241 | sr_modbus_read_holding_registers(modbus, -1, | |
242 | devc->expecting_registers, | |
243 | registers); | |
244 | } | |
245 | ||
246 | maynuo_m97_set_bit(modbus, PC1, 0); | |
247 | ||
248 | if (sr_modbus_close(modbus) < 0) | |
249 | return SR_ERR; | |
250 | sdi->status = SR_ST_INACTIVE; | |
251 | } | |
252 | ||
253 | return SR_OK; | |
254 | } | |
255 | ||
256 | static int cleanup(const struct sr_dev_driver *di) | |
257 | { | |
258 | return dev_clear(di); | |
259 | } | |
260 | ||
261 | static int config_get(uint32_t key, GVariant **data, const struct sr_dev_inst *sdi, | |
262 | const struct sr_channel_group *cg) | |
263 | { | |
264 | struct dev_context *devc; | |
265 | struct sr_modbus_dev_inst *modbus; | |
266 | enum maynuo_m97_mode mode; | |
267 | int ret, ivalue; | |
268 | float fvalue; | |
269 | ||
270 | (void)cg; | |
271 | ||
272 | modbus = sdi->conn; | |
273 | devc = sdi->priv; | |
274 | ||
275 | ret = SR_OK; | |
276 | switch (key) { | |
277 | case SR_CONF_LIMIT_SAMPLES: | |
278 | *data = g_variant_new_uint64(devc->limit_samples); | |
279 | break; | |
280 | case SR_CONF_LIMIT_MSEC: | |
281 | *data = g_variant_new_uint64(devc->limit_msec); | |
282 | break; | |
283 | case SR_CONF_ENABLED: | |
284 | if ((ret = maynuo_m97_get_bit(modbus, ISTATE, &ivalue)) == SR_OK) | |
285 | *data = g_variant_new_boolean(ivalue); | |
286 | break; | |
287 | case SR_CONF_REGULATION: | |
288 | if ((ret = maynuo_m97_get_bit(modbus, UNREG, &ivalue)) != SR_OK) | |
289 | break; | |
290 | if (ivalue) | |
291 | *data = g_variant_new_string("UR"); | |
292 | else if ((ret = maynuo_m97_get_mode(modbus, &mode)) == SR_OK) | |
293 | *data = g_variant_new_string(maynuo_m97_mode_to_str(mode)); | |
294 | break; | |
295 | case SR_CONF_VOLTAGE: | |
296 | if ((ret = maynuo_m97_get_float(modbus, U, &fvalue)) == SR_OK) | |
297 | *data = g_variant_new_double(fvalue); | |
298 | break; | |
299 | case SR_CONF_VOLTAGE_TARGET: | |
300 | if ((ret = maynuo_m97_get_float(modbus, UFIX, &fvalue)) == SR_OK) | |
301 | *data = g_variant_new_double(fvalue); | |
302 | break; | |
303 | case SR_CONF_CURRENT: | |
304 | if ((ret = maynuo_m97_get_float(modbus, I, &fvalue)) == SR_OK) | |
305 | *data = g_variant_new_double(fvalue); | |
306 | break; | |
307 | case SR_CONF_CURRENT_LIMIT: | |
308 | if ((ret = maynuo_m97_get_float(modbus, IFIX, &fvalue)) == SR_OK) | |
309 | *data = g_variant_new_double(fvalue); | |
310 | break; | |
311 | case SR_CONF_OVER_VOLTAGE_PROTECTION_ENABLED: | |
312 | *data = g_variant_new_boolean(TRUE); | |
313 | break; | |
314 | case SR_CONF_OVER_VOLTAGE_PROTECTION_ACTIVE: | |
315 | if ((ret = maynuo_m97_get_bit(modbus, UOVER, &ivalue)) == SR_OK) | |
316 | *data = g_variant_new_boolean(ivalue); | |
317 | break; | |
318 | case SR_CONF_OVER_VOLTAGE_PROTECTION_THRESHOLD: | |
319 | if ((ret = maynuo_m97_get_float(modbus, UMAX, &fvalue)) == SR_OK) | |
320 | *data = g_variant_new_double(fvalue); | |
321 | break; | |
322 | case SR_CONF_OVER_CURRENT_PROTECTION_ENABLED: | |
323 | *data = g_variant_new_boolean(TRUE); | |
324 | break; | |
325 | case SR_CONF_OVER_CURRENT_PROTECTION_ACTIVE: | |
326 | if ((ret = maynuo_m97_get_bit(modbus, IOVER, &ivalue)) == SR_OK) | |
327 | *data = g_variant_new_boolean(ivalue); | |
328 | break; | |
329 | case SR_CONF_OVER_CURRENT_PROTECTION_THRESHOLD: | |
330 | if ((ret = maynuo_m97_get_float(modbus, IMAX, &fvalue)) == SR_OK) | |
331 | *data = g_variant_new_double(fvalue); | |
332 | break; | |
333 | case SR_CONF_OVER_TEMPERATURE_PROTECTION: | |
334 | *data = g_variant_new_boolean(TRUE); | |
335 | break; | |
336 | case SR_CONF_OVER_TEMPERATURE_PROTECTION_ACTIVE: | |
337 | if ((ret = maynuo_m97_get_bit(modbus, HEAT, &ivalue)) == SR_OK) | |
338 | *data = g_variant_new_boolean(ivalue); | |
339 | break; | |
340 | default: | |
341 | return SR_ERR_NA; | |
342 | } | |
343 | ||
344 | return ret; | |
345 | } | |
346 | ||
347 | static int config_set(uint32_t key, GVariant *data, const struct sr_dev_inst *sdi, | |
348 | const struct sr_channel_group *cg) | |
349 | { | |
350 | struct dev_context *devc; | |
351 | struct sr_modbus_dev_inst *modbus; | |
352 | int ret; | |
353 | ||
354 | (void)data; | |
355 | (void)cg; | |
356 | ||
357 | if (sdi->status != SR_ST_ACTIVE) | |
358 | return SR_ERR_DEV_CLOSED; | |
359 | ||
360 | modbus = sdi->conn; | |
361 | devc = sdi->priv; | |
362 | ||
363 | ret = SR_OK; | |
364 | switch (key) { | |
365 | case SR_CONF_LIMIT_SAMPLES: | |
366 | devc->limit_samples = g_variant_get_uint64(data); | |
367 | break; | |
368 | case SR_CONF_LIMIT_MSEC: | |
369 | devc->limit_msec = g_variant_get_uint64(data); | |
370 | break; | |
371 | case SR_CONF_ENABLED: | |
372 | ret = maynuo_m97_set_input(modbus, g_variant_get_boolean(data)); | |
373 | break; | |
374 | case SR_CONF_VOLTAGE_TARGET: | |
375 | ret = maynuo_m97_set_float(modbus, UFIX, g_variant_get_double(data)); | |
376 | break; | |
377 | case SR_CONF_CURRENT_LIMIT: | |
378 | ret = maynuo_m97_set_float(modbus, IFIX, g_variant_get_double(data)); | |
379 | break; | |
380 | case SR_CONF_OVER_VOLTAGE_PROTECTION_THRESHOLD: | |
381 | ret = maynuo_m97_set_float(modbus, UMAX, g_variant_get_double(data)); | |
382 | break; | |
383 | case SR_CONF_OVER_CURRENT_PROTECTION_THRESHOLD: | |
384 | ret = maynuo_m97_set_float(modbus, IMAX, g_variant_get_double(data)); | |
385 | break; | |
386 | default: | |
387 | ret = SR_ERR_NA; | |
388 | } | |
389 | ||
390 | return ret; | |
391 | } | |
392 | ||
393 | static int config_list(uint32_t key, GVariant **data, const struct sr_dev_inst *sdi, | |
394 | const struct sr_channel_group *cg) | |
395 | { | |
396 | struct dev_context *devc; | |
397 | GVariantBuilder gvb; | |
398 | int ret; | |
399 | ||
400 | /* Always available, even without sdi. */ | |
401 | if (key == SR_CONF_SCAN_OPTIONS) { | |
402 | *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32, | |
403 | scanopts, ARRAY_SIZE(scanopts), sizeof(uint32_t)); | |
404 | return SR_OK; | |
405 | } else if (key == SR_CONF_DEVICE_OPTIONS && !sdi) { | |
406 | *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32, | |
407 | drvopts, ARRAY_SIZE(drvopts), sizeof(uint32_t)); | |
408 | return SR_OK; | |
409 | } | |
410 | ||
411 | if (!sdi) | |
412 | return SR_ERR_ARG; | |
413 | devc = sdi->priv; | |
414 | ||
415 | ret = SR_OK; | |
416 | if (!cg) { | |
417 | /* No channel group: global options. */ | |
418 | switch (key) { | |
419 | case SR_CONF_DEVICE_OPTIONS: | |
420 | *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32, | |
421 | devopts, ARRAY_SIZE(devopts), sizeof(uint32_t)); | |
422 | break; | |
423 | default: | |
424 | return SR_ERR_NA; | |
425 | } | |
426 | } else { | |
427 | switch (key) { | |
428 | case SR_CONF_DEVICE_OPTIONS: | |
429 | *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32, | |
430 | devopts_cg, ARRAY_SIZE(devopts_cg), sizeof(uint32_t)); | |
431 | break; | |
432 | case SR_CONF_VOLTAGE_TARGET: | |
433 | g_variant_builder_init(&gvb, G_VARIANT_TYPE_ARRAY); | |
434 | /* Min, max, write resolution. */ | |
435 | g_variant_builder_add_value(&gvb, g_variant_new_double(0.0)); | |
436 | g_variant_builder_add_value(&gvb, g_variant_new_double(devc->model->max_voltage)); | |
437 | g_variant_builder_add_value(&gvb, g_variant_new_double(0.001)); | |
438 | *data = g_variant_builder_end(&gvb); | |
439 | break; | |
440 | case SR_CONF_CURRENT_LIMIT: | |
441 | g_variant_builder_init(&gvb, G_VARIANT_TYPE_ARRAY); | |
442 | /* Min, max, step. */ | |
443 | g_variant_builder_add_value(&gvb, g_variant_new_double(0.0)); | |
444 | g_variant_builder_add_value(&gvb, g_variant_new_double(devc->model->max_current)); | |
445 | g_variant_builder_add_value(&gvb, g_variant_new_double(0.0001)); | |
446 | *data = g_variant_builder_end(&gvb); | |
447 | break; | |
448 | default: | |
449 | return SR_ERR_NA; | |
450 | } | |
451 | } | |
452 | ||
453 | return ret; | |
454 | } | |
455 | ||
456 | static int dev_acquisition_start(const struct sr_dev_inst *sdi, | |
457 | void *cb_data) | |
458 | { | |
459 | struct dev_context *devc; | |
460 | struct sr_modbus_dev_inst *modbus; | |
461 | int ret; | |
462 | ||
463 | (void)cb_data; | |
464 | ||
465 | if (sdi->status != SR_ST_ACTIVE) | |
466 | return SR_ERR_DEV_CLOSED; | |
467 | ||
468 | modbus = sdi->conn; | |
469 | devc = sdi->priv; | |
470 | ||
471 | if ((ret = sr_modbus_source_add(sdi->session, modbus, G_IO_IN, 10, | |
472 | maynuo_m97_receive_data, (void *)sdi)) != SR_OK) | |
473 | return ret; | |
474 | ||
475 | /* Send header packet to the session bus. */ | |
476 | std_session_send_df_header(sdi, LOG_PREFIX); | |
477 | ||
478 | devc->num_samples = 0; | |
479 | devc->starttime = g_get_monotonic_time(); | |
480 | ||
481 | return maynuo_m97_capture_start(sdi); | |
482 | } | |
483 | ||
484 | static int dev_acquisition_stop(struct sr_dev_inst *sdi, void *cb_data) | |
485 | { | |
486 | struct sr_modbus_dev_inst *modbus; | |
487 | struct sr_datafeed_packet packet; | |
488 | ||
489 | (void)cb_data; | |
490 | ||
491 | if (sdi->status != SR_ST_ACTIVE) | |
492 | return SR_ERR_DEV_CLOSED; | |
493 | ||
494 | /* End of last frame. */ | |
495 | packet.type = SR_DF_END; | |
496 | sr_session_send(sdi, &packet); | |
497 | ||
498 | modbus = sdi->conn; | |
499 | sr_modbus_source_remove(sdi->session, modbus); | |
500 | ||
501 | return SR_OK; | |
502 | } | |
503 | ||
504 | SR_PRIV struct sr_dev_driver maynuo_m97_driver_info = { | |
505 | .name = "maynuo-m97", | |
506 | .longname = "maynuo M97/M98 series", | |
507 | .api_version = 1, | |
508 | .init = init, | |
509 | .cleanup = cleanup, | |
510 | .scan = scan, | |
511 | .dev_list = dev_list, | |
512 | .dev_clear = dev_clear, | |
513 | .config_get = config_get, | |
514 | .config_set = config_set, | |
515 | .config_list = config_list, | |
516 | .dev_open = dev_open, | |
517 | .dev_close = dev_close, | |
518 | .dev_acquisition_start = dev_acquisition_start, | |
519 | .dev_acquisition_stop = dev_acquisition_stop, | |
520 | .context = NULL, | |
521 | }; |