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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 | 23 | #define SERIALCOMM "9600/8n1" |
1beccaed | 24 | |
7fb8279c | 25 | /* 23ms is the longest interval between tokens. */ |
1a46cc62 | 26 | #define MAX_SCAN_TIME_US (25 * 1000) |
7fb8279c | 27 | |
a0e0bb41 | 28 | static const uint32_t scanopts[] = { |
7fb8279c BV |
29 | SR_CONF_CONN, |
30 | }; | |
31 | ||
023c73ae | 32 | static const uint32_t drvopts[] = { |
7fb8279c | 33 | SR_CONF_SOUNDLEVELMETER, |
d7125bfa BV |
34 | }; |
35 | ||
023c73ae BV |
36 | static const uint32_t devopts[] = { |
37 | SR_CONF_CONTINUOUS | SR_CONF_SET, | |
38 | SR_CONF_LIMIT_SAMPLES | SR_CONF_GET | SR_CONF_SET, | |
5827f61b BV |
39 | SR_CONF_SPL_WEIGHT_FREQ | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST, |
40 | SR_CONF_SPL_WEIGHT_TIME | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST, | |
41 | SR_CONF_SPL_MEASUREMENT_RANGE | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST, | |
42 | SR_CONF_DATALOG | SR_CONF_GET | SR_CONF_SET, | |
43 | SR_CONF_HOLD_MAX | SR_CONF_GET | SR_CONF_SET, | |
44 | SR_CONF_HOLD_MIN | SR_CONF_GET | SR_CONF_SET, | |
45 | SR_CONF_POWER_OFF | SR_CONF_GET | SR_CONF_SET, | |
46 | SR_CONF_DATA_SOURCE | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST, | |
7fb8279c BV |
47 | }; |
48 | ||
be733919 BV |
49 | static const char *weight_freq[] = { |
50 | "A", | |
51 | "C", | |
52 | }; | |
7fb8279c | 53 | |
1487ce4f BV |
54 | static const char *weight_time[] = { |
55 | "F", | |
56 | "S", | |
57 | }; | |
58 | ||
f157b2ee BV |
59 | static const uint64_t meas_ranges[][2] = { |
60 | { 30, 130 }, | |
61 | { 30, 80 }, | |
62 | { 50, 100 }, | |
63 | { 80, 130 }, | |
64 | }; | |
65 | ||
662172d4 BV |
66 | static const char *data_sources[] = { |
67 | "Live", | |
68 | "Memory", | |
69 | }; | |
8fa9368e | 70 | |
1beccaed | 71 | SR_PRIV struct sr_dev_driver cem_dt_885x_driver_info; |
8fa9368e | 72 | |
4f840ce9 | 73 | static int init(struct sr_dev_driver *di, struct sr_context *sr_ctx) |
8fa9368e BV |
74 | { |
75 | return std_init(sr_ctx, di, LOG_PREFIX); | |
76 | } | |
77 | ||
4f840ce9 | 78 | static GSList *scan(struct sr_dev_driver *di, GSList *options) |
8fa9368e BV |
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; | |
7fb8279c BV |
85 | GSList *l, *devices; |
86 | gint64 start; | |
87 | const char *conn; | |
88 | unsigned char c; | |
89 | ||
90 | conn = NULL; | |
91 | for (l = options; l; l = l->next) { | |
92 | src = l->data; | |
93 | if (src->key == SR_CONF_CONN) | |
94 | conn = g_variant_get_string(src->data, NULL); | |
95 | } | |
96 | if (!conn) | |
97 | return NULL; | |
98 | ||
91219afc | 99 | serial = sr_serial_dev_inst_new(conn, SERIALCOMM); |
8fa9368e | 100 | |
d7b269da | 101 | if (serial_open(serial, SERIAL_RDONLY) != SR_OK) |
7fb8279c | 102 | return NULL; |
8fa9368e BV |
103 | |
104 | devices = NULL; | |
105 | drvc = di->priv; | |
7fb8279c | 106 | start = g_get_monotonic_time(); |
1a46cc62 | 107 | while (g_get_monotonic_time() - start < MAX_SCAN_TIME_US) { |
d7b269da | 108 | if (serial_read_nonblocking(serial, &c, 1) == 1 && c == 0xa5) { |
7fb8279c | 109 | /* Found one. */ |
aac29cc1 | 110 | sdi = g_malloc0(sizeof(struct sr_dev_inst)); |
0af636be UH |
111 | sdi->status = SR_ST_INACTIVE; |
112 | sdi->vendor = g_strdup("CEM"); | |
113 | sdi->model = g_strdup("DT-885x"); | |
f57d8ffe | 114 | devc = g_malloc0(sizeof(struct dev_context)); |
e1af0e85 BV |
115 | devc->cur_mqflags = 0; |
116 | devc->recording = -1; | |
f157b2ee | 117 | devc->cur_meas_range = 0; |
662172d4 | 118 | devc->cur_data_source = DATA_SOURCE_LIVE; |
cea26f6e | 119 | devc->enable_data_source_memory = FALSE; |
91219afc | 120 | sdi->conn = sr_serial_dev_inst_new(conn, SERIALCOMM); |
7fb8279c BV |
121 | sdi->inst_type = SR_INST_SERIAL; |
122 | sdi->priv = devc; | |
123 | sdi->driver = di; | |
5e23fcab | 124 | sr_channel_new(sdi, 0, SR_CHANNEL_ANALOG, TRUE, "SPL"); |
7fb8279c BV |
125 | drvc->instances = g_slist_append(drvc->instances, sdi); |
126 | devices = g_slist_append(devices, sdi); | |
127 | break; | |
128 | } | |
129 | /* It takes about 1ms for a byte to come in. */ | |
130 | g_usleep(1000); | |
131 | } | |
8fa9368e | 132 | |
7fb8279c | 133 | serial_close(serial); |
8fa9368e BV |
134 | |
135 | return devices; | |
136 | } | |
137 | ||
4f840ce9 | 138 | static GSList *dev_list(const struct sr_dev_driver *di) |
8fa9368e | 139 | { |
ce4d26dd | 140 | return ((struct drv_context *)(di->priv))->instances; |
8fa9368e BV |
141 | } |
142 | ||
8fa9368e BV |
143 | static int dev_open(struct sr_dev_inst *sdi) |
144 | { | |
7fb8279c | 145 | struct sr_serial_dev_inst *serial; |
8fa9368e | 146 | |
7fb8279c BV |
147 | serial = sdi->conn; |
148 | if (serial_open(serial, SERIAL_RDWR) != SR_OK) | |
149 | return SR_ERR; | |
8fa9368e BV |
150 | |
151 | sdi->status = SR_ST_ACTIVE; | |
152 | ||
153 | return SR_OK; | |
154 | } | |
155 | ||
4f840ce9 | 156 | static int cleanup(const struct sr_dev_driver *di) |
8fa9368e | 157 | { |
a6630742 | 158 | return std_dev_clear(di, NULL); |
8fa9368e BV |
159 | } |
160 | ||
584560f1 | 161 | static int config_get(uint32_t key, GVariant **data, const struct sr_dev_inst *sdi, |
53b4680f | 162 | const struct sr_channel_group *cg) |
8fa9368e | 163 | { |
7fb8279c | 164 | struct dev_context *devc; |
f157b2ee BV |
165 | GVariant *range[2]; |
166 | uint64_t low, high; | |
a90e480c | 167 | int tmp, ret; |
8fa9368e | 168 | |
53b4680f | 169 | (void)cg; |
d3c74a6f | 170 | |
7fb8279c BV |
171 | if (!sdi) |
172 | return SR_ERR_ARG; | |
8fa9368e | 173 | |
7fb8279c | 174 | devc = sdi->priv; |
a90e480c | 175 | ret = SR_OK; |
8fa9368e | 176 | switch (key) { |
7fb8279c BV |
177 | case SR_CONF_LIMIT_SAMPLES: |
178 | *data = g_variant_new_uint64(devc->limit_samples); | |
179 | break; | |
e1af0e85 | 180 | case SR_CONF_DATALOG: |
0cd9107d BV |
181 | if ((ret = cem_dt_885x_recording_get(sdi, &tmp)) == SR_OK) |
182 | *data = g_variant_new_boolean(tmp); | |
e1af0e85 | 183 | break; |
be733919 BV |
184 | case SR_CONF_SPL_WEIGHT_FREQ: |
185 | tmp = cem_dt_885x_weight_freq_get(sdi); | |
186 | if (tmp == SR_MQFLAG_SPL_FREQ_WEIGHT_A) | |
187 | *data = g_variant_new_string("A"); | |
188 | else if (tmp == SR_MQFLAG_SPL_FREQ_WEIGHT_C) | |
189 | *data = g_variant_new_string("C"); | |
190 | else | |
191 | return SR_ERR; | |
192 | break; | |
1487ce4f BV |
193 | case SR_CONF_SPL_WEIGHT_TIME: |
194 | tmp = cem_dt_885x_weight_time_get(sdi); | |
195 | if (tmp == SR_MQFLAG_SPL_TIME_WEIGHT_F) | |
196 | *data = g_variant_new_string("F"); | |
197 | else if (tmp == SR_MQFLAG_SPL_TIME_WEIGHT_S) | |
198 | *data = g_variant_new_string("S"); | |
199 | else | |
200 | return SR_ERR; | |
201 | break; | |
a90e480c BV |
202 | case SR_CONF_HOLD_MAX: |
203 | if ((ret = cem_dt_885x_holdmode_get(sdi, &tmp)) == SR_OK) | |
204 | *data = g_variant_new_boolean(tmp == SR_MQFLAG_MAX); | |
205 | break; | |
206 | case SR_CONF_HOLD_MIN: | |
207 | if ((ret = cem_dt_885x_holdmode_get(sdi, &tmp)) == SR_OK) | |
208 | *data = g_variant_new_boolean(tmp == SR_MQFLAG_MIN); | |
209 | break; | |
f157b2ee BV |
210 | case SR_CONF_SPL_MEASUREMENT_RANGE: |
211 | if ((ret = cem_dt_885x_meas_range_get(sdi, &low, &high)) == SR_OK) { | |
212 | range[0] = g_variant_new_uint64(low); | |
213 | range[1] = g_variant_new_uint64(high); | |
214 | *data = g_variant_new_tuple(range, 2); | |
215 | } | |
216 | break; | |
4c22355f BV |
217 | case SR_CONF_POWER_OFF: |
218 | *data = g_variant_new_boolean(FALSE); | |
219 | break; | |
662172d4 BV |
220 | case SR_CONF_DATA_SOURCE: |
221 | if (devc->cur_data_source == DATA_SOURCE_LIVE) | |
222 | *data = g_variant_new_string("Live"); | |
223 | else | |
224 | *data = g_variant_new_string("Memory"); | |
225 | break; | |
8fa9368e BV |
226 | default: |
227 | return SR_ERR_NA; | |
228 | } | |
229 | ||
a90e480c | 230 | return ret; |
8fa9368e BV |
231 | } |
232 | ||
584560f1 | 233 | static int config_set(uint32_t key, GVariant *data, const struct sr_dev_inst *sdi, |
53b4680f | 234 | const struct sr_channel_group *cg) |
8fa9368e | 235 | { |
7fb8279c | 236 | struct dev_context *devc; |
f157b2ee BV |
237 | uint64_t tmp_u64, low, high; |
238 | unsigned int i; | |
a90e480c | 239 | int tmp, ret; |
be733919 | 240 | const char *tmp_str; |
8fa9368e | 241 | |
53b4680f | 242 | (void)cg; |
d3c74a6f | 243 | |
8fa9368e BV |
244 | if (sdi->status != SR_ST_ACTIVE) |
245 | return SR_ERR_DEV_CLOSED; | |
246 | ||
7fb8279c BV |
247 | if (!(devc = sdi->priv)) { |
248 | sr_err("sdi->priv was NULL."); | |
249 | return SR_ERR_BUG; | |
250 | } | |
251 | ||
8fa9368e BV |
252 | ret = SR_OK; |
253 | switch (key) { | |
7fb8279c BV |
254 | case SR_CONF_LIMIT_SAMPLES: |
255 | tmp_u64 = g_variant_get_uint64(data); | |
256 | devc->limit_samples = tmp_u64; | |
257 | ret = SR_OK; | |
258 | break; | |
e1af0e85 | 259 | case SR_CONF_DATALOG: |
0cd9107d | 260 | ret = cem_dt_885x_recording_set(sdi, g_variant_get_boolean(data)); |
e1af0e85 | 261 | break; |
be733919 BV |
262 | case SR_CONF_SPL_WEIGHT_FREQ: |
263 | tmp_str = g_variant_get_string(data, NULL); | |
264 | if (!strcmp(tmp_str, "A")) | |
265 | ret = cem_dt_885x_weight_freq_set(sdi, | |
266 | SR_MQFLAG_SPL_FREQ_WEIGHT_A); | |
267 | else if (!strcmp(tmp_str, "C")) | |
268 | ret = cem_dt_885x_weight_freq_set(sdi, | |
269 | SR_MQFLAG_SPL_FREQ_WEIGHT_C); | |
270 | else | |
271 | return SR_ERR_ARG; | |
272 | break; | |
1487ce4f BV |
273 | case SR_CONF_SPL_WEIGHT_TIME: |
274 | tmp_str = g_variant_get_string(data, NULL); | |
275 | if (!strcmp(tmp_str, "F")) | |
276 | ret = cem_dt_885x_weight_time_set(sdi, | |
277 | SR_MQFLAG_SPL_TIME_WEIGHT_F); | |
278 | else if (!strcmp(tmp_str, "S")) | |
279 | ret = cem_dt_885x_weight_time_set(sdi, | |
280 | SR_MQFLAG_SPL_TIME_WEIGHT_S); | |
281 | else | |
282 | return SR_ERR_ARG; | |
283 | break; | |
a90e480c BV |
284 | case SR_CONF_HOLD_MAX: |
285 | tmp = g_variant_get_boolean(data) ? SR_MQFLAG_MAX : 0; | |
286 | ret = cem_dt_885x_holdmode_set(sdi, tmp); | |
287 | break; | |
288 | case SR_CONF_HOLD_MIN: | |
289 | tmp = g_variant_get_boolean(data) ? SR_MQFLAG_MIN : 0; | |
290 | ret = cem_dt_885x_holdmode_set(sdi, tmp); | |
291 | break; | |
f157b2ee BV |
292 | case SR_CONF_SPL_MEASUREMENT_RANGE: |
293 | g_variant_get(data, "(tt)", &low, &high); | |
294 | ret = SR_ERR_ARG; | |
295 | for (i = 0; i < ARRAY_SIZE(meas_ranges); i++) { | |
296 | if (meas_ranges[i][0] == low && meas_ranges[i][1] == high) { | |
297 | ret = cem_dt_885x_meas_range_set(sdi, low, high); | |
298 | break; | |
299 | } | |
300 | } | |
301 | break; | |
4c22355f BV |
302 | case SR_CONF_POWER_OFF: |
303 | if (g_variant_get_boolean(data)) | |
304 | ret = cem_dt_885x_power_off(sdi); | |
305 | break; | |
662172d4 BV |
306 | case SR_CONF_DATA_SOURCE: |
307 | tmp_str = g_variant_get_string(data, NULL); | |
308 | if (!strcmp(tmp_str, "Live")) | |
309 | devc->cur_data_source = DATA_SOURCE_LIVE; | |
310 | else if (!strcmp(tmp_str, "Memory")) | |
311 | devc->cur_data_source = DATA_SOURCE_MEMORY; | |
312 | else | |
313 | return SR_ERR; | |
cea26f6e | 314 | devc->enable_data_source_memory = devc->cur_data_source == DATA_SOURCE_MEMORY; |
662172d4 | 315 | break; |
8fa9368e BV |
316 | default: |
317 | ret = SR_ERR_NA; | |
318 | } | |
319 | ||
320 | return ret; | |
321 | } | |
322 | ||
584560f1 | 323 | static int config_list(uint32_t key, GVariant **data, const struct sr_dev_inst *sdi, |
53b4680f | 324 | const struct sr_channel_group *cg) |
8fa9368e | 325 | { |
f157b2ee BV |
326 | GVariant *tuple, *range[2]; |
327 | GVariantBuilder gvb; | |
328 | unsigned int i; | |
8fa9368e BV |
329 | int ret; |
330 | ||
53b4680f | 331 | (void)cg; |
8fa9368e BV |
332 | |
333 | ret = SR_OK; | |
d7125bfa BV |
334 | if (!sdi) { |
335 | switch (key) { | |
336 | case SR_CONF_SCAN_OPTIONS: | |
337 | *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32, | |
338 | scanopts, ARRAY_SIZE(scanopts), sizeof(uint32_t)); | |
339 | break; | |
340 | case SR_CONF_DEVICE_OPTIONS: | |
341 | *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32, | |
023c73ae | 342 | drvopts, ARRAY_SIZE(drvopts), sizeof(uint32_t)); |
d7125bfa BV |
343 | break; |
344 | default: | |
345 | return SR_ERR_NA; | |
346 | } | |
347 | } else { | |
348 | switch (key) { | |
349 | case SR_CONF_DEVICE_OPTIONS: | |
350 | *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32, | |
023c73ae | 351 | devopts, ARRAY_SIZE(devopts), sizeof(uint32_t)); |
e742b88f | 352 | break; |
d7125bfa BV |
353 | case SR_CONF_SPL_WEIGHT_FREQ: |
354 | *data = g_variant_new_strv(weight_freq, ARRAY_SIZE(weight_freq)); | |
355 | break; | |
356 | case SR_CONF_SPL_WEIGHT_TIME: | |
357 | *data = g_variant_new_strv(weight_time, ARRAY_SIZE(weight_time)); | |
358 | break; | |
359 | case SR_CONF_SPL_MEASUREMENT_RANGE: | |
360 | g_variant_builder_init(&gvb, G_VARIANT_TYPE_ARRAY); | |
361 | for (i = 0; i < ARRAY_SIZE(meas_ranges); i++) { | |
362 | range[0] = g_variant_new_uint64(meas_ranges[i][0]); | |
363 | range[1] = g_variant_new_uint64(meas_ranges[i][1]); | |
364 | tuple = g_variant_new_tuple(range, 2); | |
365 | g_variant_builder_add_value(&gvb, tuple); | |
366 | } | |
367 | *data = g_variant_builder_end(&gvb); | |
368 | break; | |
369 | case SR_CONF_DATA_SOURCE: | |
370 | *data = g_variant_new_strv(data_sources, ARRAY_SIZE(data_sources)); | |
371 | break; | |
372 | default: | |
373 | return SR_ERR_NA; | |
f157b2ee | 374 | } |
8fa9368e BV |
375 | } |
376 | ||
377 | return ret; | |
378 | } | |
379 | ||
e37c4b39 | 380 | static int dev_acquisition_start(const struct sr_dev_inst *sdi, void *cb_data) |
8fa9368e | 381 | { |
e37c4b39 BV |
382 | struct dev_context *devc; |
383 | struct sr_serial_dev_inst *serial; | |
8fa9368e BV |
384 | |
385 | if (sdi->status != SR_ST_ACTIVE) | |
386 | return SR_ERR_DEV_CLOSED; | |
387 | ||
e37c4b39 BV |
388 | if (!(devc = sdi->priv)) { |
389 | sr_err("sdi->priv was NULL."); | |
390 | return SR_ERR_BUG; | |
391 | } | |
392 | ||
393 | devc->cb_data = cb_data; | |
394 | devc->state = ST_INIT; | |
395 | devc->num_samples = 0; | |
396 | devc->buf_len = 0; | |
397 | ||
398 | /* Send header packet to the session bus. */ | |
399 | std_session_send_df_header(cb_data, LOG_PREFIX); | |
400 | ||
401 | /* Poll every 100ms, or whenever some data comes in. */ | |
402 | serial = sdi->conn; | |
102f1239 BV |
403 | serial_source_add(sdi->session, serial, G_IO_IN, 150, |
404 | cem_dt_885x_receive_data, (void *)sdi); | |
8fa9368e BV |
405 | |
406 | return SR_OK; | |
407 | } | |
408 | ||
409 | static int dev_acquisition_stop(struct sr_dev_inst *sdi, void *cb_data) | |
410 | { | |
8fa9368e BV |
411 | if (sdi->status != SR_ST_ACTIVE) |
412 | return SR_ERR_DEV_CLOSED; | |
413 | ||
d43b0908 | 414 | return std_serial_dev_acquisition_stop(sdi, cb_data, std_serial_dev_close, |
e37c4b39 | 415 | sdi->conn, LOG_PREFIX); |
8fa9368e BV |
416 | } |
417 | ||
418 | SR_PRIV struct sr_dev_driver cem_dt_885x_driver_info = { | |
419 | .name = "cem-dt-885x", | |
420 | .longname = "CEM DT-885x", | |
421 | .api_version = 1, | |
422 | .init = init, | |
423 | .cleanup = cleanup, | |
424 | .scan = scan, | |
425 | .dev_list = dev_list, | |
a6630742 | 426 | .dev_clear = NULL, |
8fa9368e BV |
427 | .config_get = config_get, |
428 | .config_set = config_set, | |
429 | .config_list = config_list, | |
430 | .dev_open = dev_open, | |
bf2c987f | 431 | .dev_close = std_serial_dev_close, |
8fa9368e BV |
432 | .dev_acquisition_start = dev_acquisition_start, |
433 | .dev_acquisition_stop = dev_acquisition_stop, | |
434 | .priv = NULL, | |
435 | }; |