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8fa9368e BV |
1 | /* |
2 | * This file is part of the libsigrok project. | |
3 | * | |
4 | * Copyright (C) 2013 Bert Vermeulen <bert@biot.com> | |
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 | ||
be733919 | 20 | #include <string.h> |
8fa9368e BV |
21 | #include "protocol.h" |
22 | ||
7fb8279c BV |
23 | #define SERIALCOMM "9600/8n1" |
24 | /* 23ms is the longest interval between tokens. */ | |
25 | #define MAX_SCAN_TIME 25 * 1000 | |
26 | ||
a0e0bb41 | 27 | static const uint32_t scanopts[] = { |
7fb8279c BV |
28 | SR_CONF_CONN, |
29 | }; | |
30 | ||
023c73ae | 31 | static const uint32_t drvopts[] = { |
7fb8279c | 32 | SR_CONF_SOUNDLEVELMETER, |
d7125bfa BV |
33 | }; |
34 | ||
023c73ae BV |
35 | static const uint32_t devopts[] = { |
36 | SR_CONF_CONTINUOUS | SR_CONF_SET, | |
37 | SR_CONF_LIMIT_SAMPLES | SR_CONF_GET | SR_CONF_SET, | |
5827f61b BV |
38 | SR_CONF_SPL_WEIGHT_FREQ | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST, |
39 | SR_CONF_SPL_WEIGHT_TIME | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST, | |
40 | SR_CONF_SPL_MEASUREMENT_RANGE | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST, | |
41 | SR_CONF_DATALOG | SR_CONF_GET | SR_CONF_SET, | |
42 | SR_CONF_HOLD_MAX | SR_CONF_GET | SR_CONF_SET, | |
43 | SR_CONF_HOLD_MIN | SR_CONF_GET | SR_CONF_SET, | |
44 | SR_CONF_POWER_OFF | SR_CONF_GET | SR_CONF_SET, | |
45 | SR_CONF_DATA_SOURCE | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST, | |
7fb8279c BV |
46 | }; |
47 | ||
be733919 BV |
48 | static const char *weight_freq[] = { |
49 | "A", | |
50 | "C", | |
51 | }; | |
7fb8279c | 52 | |
1487ce4f BV |
53 | static const char *weight_time[] = { |
54 | "F", | |
55 | "S", | |
56 | }; | |
57 | ||
f157b2ee BV |
58 | static const uint64_t meas_ranges[][2] = { |
59 | { 30, 130 }, | |
60 | { 30, 80 }, | |
61 | { 50, 100 }, | |
62 | { 80, 130 }, | |
63 | }; | |
64 | ||
662172d4 BV |
65 | static const char *data_sources[] = { |
66 | "Live", | |
67 | "Memory", | |
68 | }; | |
8fa9368e BV |
69 | SR_PRIV struct sr_dev_driver cem_dt_885x_driver_info; |
70 | static struct sr_dev_driver *di = &cem_dt_885x_driver_info; | |
71 | ||
72 | ||
73 | static int init(struct sr_context *sr_ctx) | |
74 | { | |
75 | return std_init(sr_ctx, di, LOG_PREFIX); | |
76 | } | |
77 | ||
78 | static GSList *scan(GSList *options) | |
79 | { | |
80 | struct drv_context *drvc; | |
7fb8279c BV |
81 | struct dev_context *devc; |
82 | struct sr_config *src; | |
83 | struct sr_serial_dev_inst *serial; | |
84 | struct sr_dev_inst *sdi; | |
ba7dd8bb | 85 | struct sr_channel *ch; |
7fb8279c BV |
86 | GSList *l, *devices; |
87 | gint64 start; | |
88 | const char *conn; | |
89 | unsigned char c; | |
90 | ||
91 | conn = NULL; | |
92 | for (l = options; l; l = l->next) { | |
93 | src = l->data; | |
94 | if (src->key == SR_CONF_CONN) | |
95 | conn = g_variant_get_string(src->data, NULL); | |
96 | } | |
97 | if (!conn) | |
98 | return NULL; | |
99 | ||
100 | if (!(serial = sr_serial_dev_inst_new(conn, SERIALCOMM))) | |
101 | return NULL; | |
8fa9368e | 102 | |
d7b269da | 103 | if (serial_open(serial, SERIAL_RDONLY) != SR_OK) |
7fb8279c | 104 | return NULL; |
8fa9368e BV |
105 | |
106 | devices = NULL; | |
107 | drvc = di->priv; | |
7fb8279c BV |
108 | start = g_get_monotonic_time(); |
109 | while (g_get_monotonic_time() - start < MAX_SCAN_TIME) { | |
d7b269da | 110 | if (serial_read_nonblocking(serial, &c, 1) == 1 && c == 0xa5) { |
7fb8279c | 111 | /* Found one. */ |
0af636be UH |
112 | sdi = sr_dev_inst_new(); |
113 | sdi->status = SR_ST_INACTIVE; | |
114 | sdi->vendor = g_strdup("CEM"); | |
115 | sdi->model = g_strdup("DT-885x"); | |
7fb8279c BV |
116 | |
117 | if (!(devc = g_try_malloc0(sizeof(struct dev_context)))) { | |
118 | sr_dbg("Device context malloc failed."); | |
119 | return NULL; | |
120 | } | |
e1af0e85 BV |
121 | devc->cur_mqflags = 0; |
122 | devc->recording = -1; | |
f157b2ee | 123 | devc->cur_meas_range = 0; |
662172d4 | 124 | devc->cur_data_source = DATA_SOURCE_LIVE; |
cea26f6e | 125 | devc->enable_data_source_memory = FALSE; |
7fb8279c BV |
126 | |
127 | if (!(sdi->conn = sr_serial_dev_inst_new(conn, SERIALCOMM))) | |
128 | return NULL; | |
129 | ||
130 | sdi->inst_type = SR_INST_SERIAL; | |
131 | sdi->priv = devc; | |
132 | sdi->driver = di; | |
3f239f08 | 133 | if (!(ch = sr_channel_new(0, SR_CHANNEL_ANALOG, TRUE, "SPL"))) |
7fb8279c | 134 | return NULL; |
ba7dd8bb | 135 | sdi->channels = g_slist_append(sdi->channels, ch); |
7fb8279c BV |
136 | drvc->instances = g_slist_append(drvc->instances, sdi); |
137 | devices = g_slist_append(devices, sdi); | |
138 | break; | |
139 | } | |
140 | /* It takes about 1ms for a byte to come in. */ | |
141 | g_usleep(1000); | |
142 | } | |
8fa9368e | 143 | |
7fb8279c | 144 | serial_close(serial); |
8fa9368e BV |
145 | |
146 | return devices; | |
147 | } | |
148 | ||
149 | static GSList *dev_list(void) | |
150 | { | |
ce4d26dd | 151 | return ((struct drv_context *)(di->priv))->instances; |
8fa9368e BV |
152 | } |
153 | ||
8fa9368e BV |
154 | static int dev_open(struct sr_dev_inst *sdi) |
155 | { | |
7fb8279c | 156 | struct sr_serial_dev_inst *serial; |
8fa9368e | 157 | |
7fb8279c BV |
158 | serial = sdi->conn; |
159 | if (serial_open(serial, SERIAL_RDWR) != SR_OK) | |
160 | return SR_ERR; | |
8fa9368e BV |
161 | |
162 | sdi->status = SR_ST_ACTIVE; | |
163 | ||
164 | return SR_OK; | |
165 | } | |
166 | ||
8fa9368e BV |
167 | static int cleanup(void) |
168 | { | |
a6630742 | 169 | return std_dev_clear(di, NULL); |
8fa9368e BV |
170 | } |
171 | ||
584560f1 | 172 | static int config_get(uint32_t key, GVariant **data, const struct sr_dev_inst *sdi, |
53b4680f | 173 | const struct sr_channel_group *cg) |
8fa9368e | 174 | { |
7fb8279c | 175 | struct dev_context *devc; |
f157b2ee BV |
176 | GVariant *range[2]; |
177 | uint64_t low, high; | |
a90e480c | 178 | int tmp, ret; |
8fa9368e | 179 | |
53b4680f | 180 | (void)cg; |
d3c74a6f | 181 | |
7fb8279c BV |
182 | if (!sdi) |
183 | return SR_ERR_ARG; | |
8fa9368e | 184 | |
7fb8279c | 185 | devc = sdi->priv; |
a90e480c | 186 | ret = SR_OK; |
8fa9368e | 187 | switch (key) { |
7fb8279c BV |
188 | case SR_CONF_LIMIT_SAMPLES: |
189 | *data = g_variant_new_uint64(devc->limit_samples); | |
190 | break; | |
e1af0e85 | 191 | case SR_CONF_DATALOG: |
0cd9107d BV |
192 | if ((ret = cem_dt_885x_recording_get(sdi, &tmp)) == SR_OK) |
193 | *data = g_variant_new_boolean(tmp); | |
e1af0e85 | 194 | break; |
be733919 BV |
195 | case SR_CONF_SPL_WEIGHT_FREQ: |
196 | tmp = cem_dt_885x_weight_freq_get(sdi); | |
197 | if (tmp == SR_MQFLAG_SPL_FREQ_WEIGHT_A) | |
198 | *data = g_variant_new_string("A"); | |
199 | else if (tmp == SR_MQFLAG_SPL_FREQ_WEIGHT_C) | |
200 | *data = g_variant_new_string("C"); | |
201 | else | |
202 | return SR_ERR; | |
203 | break; | |
1487ce4f BV |
204 | case SR_CONF_SPL_WEIGHT_TIME: |
205 | tmp = cem_dt_885x_weight_time_get(sdi); | |
206 | if (tmp == SR_MQFLAG_SPL_TIME_WEIGHT_F) | |
207 | *data = g_variant_new_string("F"); | |
208 | else if (tmp == SR_MQFLAG_SPL_TIME_WEIGHT_S) | |
209 | *data = g_variant_new_string("S"); | |
210 | else | |
211 | return SR_ERR; | |
212 | break; | |
a90e480c BV |
213 | case SR_CONF_HOLD_MAX: |
214 | if ((ret = cem_dt_885x_holdmode_get(sdi, &tmp)) == SR_OK) | |
215 | *data = g_variant_new_boolean(tmp == SR_MQFLAG_MAX); | |
216 | break; | |
217 | case SR_CONF_HOLD_MIN: | |
218 | if ((ret = cem_dt_885x_holdmode_get(sdi, &tmp)) == SR_OK) | |
219 | *data = g_variant_new_boolean(tmp == SR_MQFLAG_MIN); | |
220 | break; | |
f157b2ee BV |
221 | case SR_CONF_SPL_MEASUREMENT_RANGE: |
222 | if ((ret = cem_dt_885x_meas_range_get(sdi, &low, &high)) == SR_OK) { | |
223 | range[0] = g_variant_new_uint64(low); | |
224 | range[1] = g_variant_new_uint64(high); | |
225 | *data = g_variant_new_tuple(range, 2); | |
226 | } | |
227 | break; | |
4c22355f BV |
228 | case SR_CONF_POWER_OFF: |
229 | *data = g_variant_new_boolean(FALSE); | |
230 | break; | |
662172d4 BV |
231 | case SR_CONF_DATA_SOURCE: |
232 | if (devc->cur_data_source == DATA_SOURCE_LIVE) | |
233 | *data = g_variant_new_string("Live"); | |
234 | else | |
235 | *data = g_variant_new_string("Memory"); | |
236 | break; | |
8fa9368e BV |
237 | default: |
238 | return SR_ERR_NA; | |
239 | } | |
240 | ||
a90e480c | 241 | return ret; |
8fa9368e BV |
242 | } |
243 | ||
584560f1 | 244 | static int config_set(uint32_t key, GVariant *data, const struct sr_dev_inst *sdi, |
53b4680f | 245 | const struct sr_channel_group *cg) |
8fa9368e | 246 | { |
7fb8279c | 247 | struct dev_context *devc; |
f157b2ee BV |
248 | uint64_t tmp_u64, low, high; |
249 | unsigned int i; | |
a90e480c | 250 | int tmp, ret; |
be733919 | 251 | const char *tmp_str; |
8fa9368e | 252 | |
53b4680f | 253 | (void)cg; |
d3c74a6f | 254 | |
8fa9368e BV |
255 | if (sdi->status != SR_ST_ACTIVE) |
256 | return SR_ERR_DEV_CLOSED; | |
257 | ||
7fb8279c BV |
258 | if (!(devc = sdi->priv)) { |
259 | sr_err("sdi->priv was NULL."); | |
260 | return SR_ERR_BUG; | |
261 | } | |
262 | ||
8fa9368e BV |
263 | ret = SR_OK; |
264 | switch (key) { | |
7fb8279c BV |
265 | case SR_CONF_LIMIT_SAMPLES: |
266 | tmp_u64 = g_variant_get_uint64(data); | |
267 | devc->limit_samples = tmp_u64; | |
268 | ret = SR_OK; | |
269 | break; | |
e1af0e85 | 270 | case SR_CONF_DATALOG: |
0cd9107d | 271 | ret = cem_dt_885x_recording_set(sdi, g_variant_get_boolean(data)); |
e1af0e85 | 272 | break; |
be733919 BV |
273 | case SR_CONF_SPL_WEIGHT_FREQ: |
274 | tmp_str = g_variant_get_string(data, NULL); | |
275 | if (!strcmp(tmp_str, "A")) | |
276 | ret = cem_dt_885x_weight_freq_set(sdi, | |
277 | SR_MQFLAG_SPL_FREQ_WEIGHT_A); | |
278 | else if (!strcmp(tmp_str, "C")) | |
279 | ret = cem_dt_885x_weight_freq_set(sdi, | |
280 | SR_MQFLAG_SPL_FREQ_WEIGHT_C); | |
281 | else | |
282 | return SR_ERR_ARG; | |
283 | break; | |
1487ce4f BV |
284 | case SR_CONF_SPL_WEIGHT_TIME: |
285 | tmp_str = g_variant_get_string(data, NULL); | |
286 | if (!strcmp(tmp_str, "F")) | |
287 | ret = cem_dt_885x_weight_time_set(sdi, | |
288 | SR_MQFLAG_SPL_TIME_WEIGHT_F); | |
289 | else if (!strcmp(tmp_str, "S")) | |
290 | ret = cem_dt_885x_weight_time_set(sdi, | |
291 | SR_MQFLAG_SPL_TIME_WEIGHT_S); | |
292 | else | |
293 | return SR_ERR_ARG; | |
294 | break; | |
a90e480c BV |
295 | case SR_CONF_HOLD_MAX: |
296 | tmp = g_variant_get_boolean(data) ? SR_MQFLAG_MAX : 0; | |
297 | ret = cem_dt_885x_holdmode_set(sdi, tmp); | |
298 | break; | |
299 | case SR_CONF_HOLD_MIN: | |
300 | tmp = g_variant_get_boolean(data) ? SR_MQFLAG_MIN : 0; | |
301 | ret = cem_dt_885x_holdmode_set(sdi, tmp); | |
302 | break; | |
f157b2ee BV |
303 | case SR_CONF_SPL_MEASUREMENT_RANGE: |
304 | g_variant_get(data, "(tt)", &low, &high); | |
305 | ret = SR_ERR_ARG; | |
306 | for (i = 0; i < ARRAY_SIZE(meas_ranges); i++) { | |
307 | if (meas_ranges[i][0] == low && meas_ranges[i][1] == high) { | |
308 | ret = cem_dt_885x_meas_range_set(sdi, low, high); | |
309 | break; | |
310 | } | |
311 | } | |
312 | break; | |
4c22355f BV |
313 | case SR_CONF_POWER_OFF: |
314 | if (g_variant_get_boolean(data)) | |
315 | ret = cem_dt_885x_power_off(sdi); | |
316 | break; | |
662172d4 BV |
317 | case SR_CONF_DATA_SOURCE: |
318 | tmp_str = g_variant_get_string(data, NULL); | |
319 | if (!strcmp(tmp_str, "Live")) | |
320 | devc->cur_data_source = DATA_SOURCE_LIVE; | |
321 | else if (!strcmp(tmp_str, "Memory")) | |
322 | devc->cur_data_source = DATA_SOURCE_MEMORY; | |
323 | else | |
324 | return SR_ERR; | |
cea26f6e | 325 | devc->enable_data_source_memory = devc->cur_data_source == DATA_SOURCE_MEMORY; |
662172d4 | 326 | break; |
8fa9368e BV |
327 | default: |
328 | ret = SR_ERR_NA; | |
329 | } | |
330 | ||
331 | return ret; | |
332 | } | |
333 | ||
584560f1 | 334 | static int config_list(uint32_t key, GVariant **data, const struct sr_dev_inst *sdi, |
53b4680f | 335 | const struct sr_channel_group *cg) |
8fa9368e | 336 | { |
f157b2ee BV |
337 | GVariant *tuple, *range[2]; |
338 | GVariantBuilder gvb; | |
339 | unsigned int i; | |
8fa9368e BV |
340 | int ret; |
341 | ||
53b4680f | 342 | (void)cg; |
8fa9368e BV |
343 | |
344 | ret = SR_OK; | |
d7125bfa BV |
345 | if (!sdi) { |
346 | switch (key) { | |
347 | case SR_CONF_SCAN_OPTIONS: | |
348 | *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32, | |
349 | scanopts, ARRAY_SIZE(scanopts), sizeof(uint32_t)); | |
350 | break; | |
351 | case SR_CONF_DEVICE_OPTIONS: | |
352 | *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32, | |
023c73ae | 353 | drvopts, ARRAY_SIZE(drvopts), sizeof(uint32_t)); |
d7125bfa BV |
354 | break; |
355 | default: | |
356 | return SR_ERR_NA; | |
357 | } | |
358 | } else { | |
359 | switch (key) { | |
360 | case SR_CONF_DEVICE_OPTIONS: | |
361 | *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32, | |
023c73ae | 362 | devopts, ARRAY_SIZE(devopts), sizeof(uint32_t)); |
d7125bfa BV |
363 | case SR_CONF_SPL_WEIGHT_FREQ: |
364 | *data = g_variant_new_strv(weight_freq, ARRAY_SIZE(weight_freq)); | |
365 | break; | |
366 | case SR_CONF_SPL_WEIGHT_TIME: | |
367 | *data = g_variant_new_strv(weight_time, ARRAY_SIZE(weight_time)); | |
368 | break; | |
369 | case SR_CONF_SPL_MEASUREMENT_RANGE: | |
370 | g_variant_builder_init(&gvb, G_VARIANT_TYPE_ARRAY); | |
371 | for (i = 0; i < ARRAY_SIZE(meas_ranges); i++) { | |
372 | range[0] = g_variant_new_uint64(meas_ranges[i][0]); | |
373 | range[1] = g_variant_new_uint64(meas_ranges[i][1]); | |
374 | tuple = g_variant_new_tuple(range, 2); | |
375 | g_variant_builder_add_value(&gvb, tuple); | |
376 | } | |
377 | *data = g_variant_builder_end(&gvb); | |
378 | break; | |
379 | case SR_CONF_DATA_SOURCE: | |
380 | *data = g_variant_new_strv(data_sources, ARRAY_SIZE(data_sources)); | |
381 | break; | |
382 | default: | |
383 | return SR_ERR_NA; | |
f157b2ee | 384 | } |
8fa9368e BV |
385 | } |
386 | ||
387 | return ret; | |
388 | } | |
389 | ||
e37c4b39 | 390 | static int dev_acquisition_start(const struct sr_dev_inst *sdi, void *cb_data) |
8fa9368e | 391 | { |
e37c4b39 BV |
392 | struct dev_context *devc; |
393 | struct sr_serial_dev_inst *serial; | |
8fa9368e BV |
394 | |
395 | if (sdi->status != SR_ST_ACTIVE) | |
396 | return SR_ERR_DEV_CLOSED; | |
397 | ||
e37c4b39 BV |
398 | if (!(devc = sdi->priv)) { |
399 | sr_err("sdi->priv was NULL."); | |
400 | return SR_ERR_BUG; | |
401 | } | |
402 | ||
403 | devc->cb_data = cb_data; | |
404 | devc->state = ST_INIT; | |
405 | devc->num_samples = 0; | |
406 | devc->buf_len = 0; | |
407 | ||
408 | /* Send header packet to the session bus. */ | |
409 | std_session_send_df_header(cb_data, LOG_PREFIX); | |
410 | ||
411 | /* Poll every 100ms, or whenever some data comes in. */ | |
412 | serial = sdi->conn; | |
102f1239 BV |
413 | serial_source_add(sdi->session, serial, G_IO_IN, 150, |
414 | cem_dt_885x_receive_data, (void *)sdi); | |
8fa9368e BV |
415 | |
416 | return SR_OK; | |
417 | } | |
418 | ||
419 | static int dev_acquisition_stop(struct sr_dev_inst *sdi, void *cb_data) | |
420 | { | |
8fa9368e BV |
421 | if (sdi->status != SR_ST_ACTIVE) |
422 | return SR_ERR_DEV_CLOSED; | |
423 | ||
d43b0908 | 424 | return std_serial_dev_acquisition_stop(sdi, cb_data, std_serial_dev_close, |
e37c4b39 | 425 | sdi->conn, LOG_PREFIX); |
8fa9368e BV |
426 | } |
427 | ||
428 | SR_PRIV struct sr_dev_driver cem_dt_885x_driver_info = { | |
429 | .name = "cem-dt-885x", | |
430 | .longname = "CEM DT-885x", | |
431 | .api_version = 1, | |
432 | .init = init, | |
433 | .cleanup = cleanup, | |
434 | .scan = scan, | |
435 | .dev_list = dev_list, | |
a6630742 | 436 | .dev_clear = NULL, |
8fa9368e BV |
437 | .config_get = config_get, |
438 | .config_set = config_set, | |
439 | .config_list = config_list, | |
440 | .dev_open = dev_open, | |
bf2c987f | 441 | .dev_close = std_serial_dev_close, |
8fa9368e BV |
442 | .dev_acquisition_start = dev_acquisition_start, |
443 | .dev_acquisition_stop = dev_acquisition_stop, | |
444 | .priv = NULL, | |
445 | }; |