]>
Commit | Line | Data |
---|---|---|
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 | ||
27 | static const int32_t hwopts[] = { | |
28 | SR_CONF_CONN, | |
29 | }; | |
30 | ||
31 | static const int32_t hwcaps[] = { | |
32 | SR_CONF_SOUNDLEVELMETER, | |
33 | SR_CONF_LIMIT_SAMPLES, | |
34 | SR_CONF_CONTINUOUS, | |
e1af0e85 | 35 | SR_CONF_DATALOG, |
be733919 | 36 | SR_CONF_SPL_WEIGHT_FREQ, |
1487ce4f | 37 | SR_CONF_SPL_WEIGHT_TIME, |
a90e480c BV |
38 | SR_CONF_HOLD_MAX, |
39 | SR_CONF_HOLD_MIN, | |
7fb8279c BV |
40 | }; |
41 | ||
be733919 BV |
42 | static const char *weight_freq[] = { |
43 | "A", | |
44 | "C", | |
45 | }; | |
7fb8279c | 46 | |
1487ce4f BV |
47 | static const char *weight_time[] = { |
48 | "F", | |
49 | "S", | |
50 | }; | |
51 | ||
8fa9368e BV |
52 | SR_PRIV struct sr_dev_driver cem_dt_885x_driver_info; |
53 | static struct sr_dev_driver *di = &cem_dt_885x_driver_info; | |
54 | ||
55 | ||
56 | static int init(struct sr_context *sr_ctx) | |
57 | { | |
58 | return std_init(sr_ctx, di, LOG_PREFIX); | |
59 | } | |
60 | ||
61 | static GSList *scan(GSList *options) | |
62 | { | |
63 | struct drv_context *drvc; | |
7fb8279c BV |
64 | struct dev_context *devc; |
65 | struct sr_config *src; | |
66 | struct sr_serial_dev_inst *serial; | |
67 | struct sr_dev_inst *sdi; | |
68 | struct sr_probe *probe; | |
69 | GSList *l, *devices; | |
70 | gint64 start; | |
71 | const char *conn; | |
72 | unsigned char c; | |
73 | ||
74 | conn = NULL; | |
75 | for (l = options; l; l = l->next) { | |
76 | src = l->data; | |
77 | if (src->key == SR_CONF_CONN) | |
78 | conn = g_variant_get_string(src->data, NULL); | |
79 | } | |
80 | if (!conn) | |
81 | return NULL; | |
82 | ||
83 | if (!(serial = sr_serial_dev_inst_new(conn, SERIALCOMM))) | |
84 | return NULL; | |
8fa9368e | 85 | |
7fb8279c BV |
86 | if (serial_open(serial, SERIAL_RDONLY | SERIAL_NONBLOCK) != SR_OK) |
87 | return NULL; | |
8fa9368e BV |
88 | |
89 | devices = NULL; | |
90 | drvc = di->priv; | |
7fb8279c BV |
91 | start = g_get_monotonic_time(); |
92 | while (g_get_monotonic_time() - start < MAX_SCAN_TIME) { | |
93 | if (serial_read(serial, &c, 1) == 1 && c == 0xa5) { | |
94 | /* Found one. */ | |
95 | if (!(sdi = sr_dev_inst_new(0, SR_ST_INACTIVE, "CEM", | |
96 | "DT-885x", NULL))) | |
97 | return NULL; | |
98 | ||
99 | if (!(devc = g_try_malloc0(sizeof(struct dev_context)))) { | |
100 | sr_dbg("Device context malloc failed."); | |
101 | return NULL; | |
102 | } | |
e1af0e85 BV |
103 | devc->cur_mqflags = 0; |
104 | devc->recording = -1; | |
7fb8279c BV |
105 | |
106 | if (!(sdi->conn = sr_serial_dev_inst_new(conn, SERIALCOMM))) | |
107 | return NULL; | |
108 | ||
109 | sdi->inst_type = SR_INST_SERIAL; | |
110 | sdi->priv = devc; | |
111 | sdi->driver = di; | |
e37c4b39 | 112 | if (!(probe = sr_probe_new(0, SR_PROBE_ANALOG, TRUE, "SPL"))) |
7fb8279c BV |
113 | return NULL; |
114 | sdi->probes = g_slist_append(sdi->probes, probe); | |
115 | drvc->instances = g_slist_append(drvc->instances, sdi); | |
116 | devices = g_slist_append(devices, sdi); | |
117 | break; | |
118 | } | |
119 | /* It takes about 1ms for a byte to come in. */ | |
120 | g_usleep(1000); | |
121 | } | |
8fa9368e | 122 | |
7fb8279c | 123 | serial_close(serial); |
8fa9368e BV |
124 | |
125 | return devices; | |
126 | } | |
127 | ||
128 | static GSList *dev_list(void) | |
129 | { | |
130 | struct drv_context *drvc; | |
131 | ||
132 | drvc = di->priv; | |
133 | ||
134 | return drvc->instances; | |
135 | } | |
136 | ||
137 | static int dev_clear(void) | |
138 | { | |
139 | return std_dev_clear(di, NULL); | |
140 | } | |
141 | ||
142 | static int dev_open(struct sr_dev_inst *sdi) | |
143 | { | |
7fb8279c | 144 | struct sr_serial_dev_inst *serial; |
8fa9368e | 145 | |
7fb8279c BV |
146 | serial = sdi->conn; |
147 | if (serial_open(serial, SERIAL_RDWR) != SR_OK) | |
148 | return SR_ERR; | |
8fa9368e BV |
149 | |
150 | sdi->status = SR_ST_ACTIVE; | |
151 | ||
152 | return SR_OK; | |
153 | } | |
154 | ||
155 | static int dev_close(struct sr_dev_inst *sdi) | |
156 | { | |
7fb8279c | 157 | struct sr_serial_dev_inst *serial; |
8fa9368e | 158 | |
7fb8279c BV |
159 | serial = sdi->conn; |
160 | if (serial && serial->fd != -1) { | |
161 | serial_close(serial); | |
162 | sdi->status = SR_ST_INACTIVE; | |
163 | } | |
8fa9368e BV |
164 | |
165 | return SR_OK; | |
166 | } | |
167 | ||
168 | static int cleanup(void) | |
169 | { | |
7fb8279c | 170 | return dev_clear(); |
8fa9368e BV |
171 | } |
172 | ||
173 | static int config_get(int key, GVariant **data, const struct sr_dev_inst *sdi) | |
174 | { | |
7fb8279c | 175 | struct dev_context *devc; |
a90e480c | 176 | int tmp, ret; |
8fa9368e | 177 | |
7fb8279c BV |
178 | if (!sdi) |
179 | return SR_ERR_ARG; | |
8fa9368e | 180 | |
7fb8279c | 181 | devc = sdi->priv; |
a90e480c | 182 | ret = SR_OK; |
8fa9368e | 183 | switch (key) { |
7fb8279c BV |
184 | case SR_CONF_LIMIT_SAMPLES: |
185 | *data = g_variant_new_uint64(devc->limit_samples); | |
186 | break; | |
e1af0e85 BV |
187 | case SR_CONF_DATALOG: |
188 | *data = g_variant_new_boolean(cem_dt_885x_recording_get(sdi)); | |
189 | break; | |
be733919 BV |
190 | case SR_CONF_SPL_WEIGHT_FREQ: |
191 | tmp = cem_dt_885x_weight_freq_get(sdi); | |
192 | if (tmp == SR_MQFLAG_SPL_FREQ_WEIGHT_A) | |
193 | *data = g_variant_new_string("A"); | |
194 | else if (tmp == SR_MQFLAG_SPL_FREQ_WEIGHT_C) | |
195 | *data = g_variant_new_string("C"); | |
196 | else | |
197 | return SR_ERR; | |
198 | break; | |
1487ce4f BV |
199 | case SR_CONF_SPL_WEIGHT_TIME: |
200 | tmp = cem_dt_885x_weight_time_get(sdi); | |
201 | if (tmp == SR_MQFLAG_SPL_TIME_WEIGHT_F) | |
202 | *data = g_variant_new_string("F"); | |
203 | else if (tmp == SR_MQFLAG_SPL_TIME_WEIGHT_S) | |
204 | *data = g_variant_new_string("S"); | |
205 | else | |
206 | return SR_ERR; | |
207 | break; | |
a90e480c BV |
208 | case SR_CONF_HOLD_MAX: |
209 | if ((ret = cem_dt_885x_holdmode_get(sdi, &tmp)) == SR_OK) | |
210 | *data = g_variant_new_boolean(tmp == SR_MQFLAG_MAX); | |
211 | break; | |
212 | case SR_CONF_HOLD_MIN: | |
213 | if ((ret = cem_dt_885x_holdmode_get(sdi, &tmp)) == SR_OK) | |
214 | *data = g_variant_new_boolean(tmp == SR_MQFLAG_MIN); | |
215 | break; | |
8fa9368e BV |
216 | default: |
217 | return SR_ERR_NA; | |
218 | } | |
219 | ||
a90e480c | 220 | return ret; |
8fa9368e BV |
221 | } |
222 | ||
223 | static int config_set(int key, GVariant *data, const struct sr_dev_inst *sdi) | |
224 | { | |
7fb8279c BV |
225 | struct dev_context *devc; |
226 | uint64_t tmp_u64; | |
a90e480c | 227 | int tmp, ret; |
be733919 | 228 | const char *tmp_str; |
8fa9368e | 229 | |
8fa9368e BV |
230 | if (sdi->status != SR_ST_ACTIVE) |
231 | return SR_ERR_DEV_CLOSED; | |
232 | ||
7fb8279c BV |
233 | if (!(devc = sdi->priv)) { |
234 | sr_err("sdi->priv was NULL."); | |
235 | return SR_ERR_BUG; | |
236 | } | |
237 | ||
8fa9368e BV |
238 | ret = SR_OK; |
239 | switch (key) { | |
7fb8279c BV |
240 | case SR_CONF_LIMIT_SAMPLES: |
241 | tmp_u64 = g_variant_get_uint64(data); | |
242 | devc->limit_samples = tmp_u64; | |
243 | ret = SR_OK; | |
244 | break; | |
e1af0e85 BV |
245 | case SR_CONF_DATALOG: |
246 | if (g_variant_get_boolean(data)) { | |
247 | /* Start logging. */ | |
248 | ret = cem_dt_885x_recording_set(sdi, TRUE); | |
249 | } else { | |
250 | /* Stop logging. */ | |
251 | ret = cem_dt_885x_recording_set(sdi, FALSE); | |
252 | } | |
253 | break; | |
be733919 BV |
254 | case SR_CONF_SPL_WEIGHT_FREQ: |
255 | tmp_str = g_variant_get_string(data, NULL); | |
256 | if (!strcmp(tmp_str, "A")) | |
257 | ret = cem_dt_885x_weight_freq_set(sdi, | |
258 | SR_MQFLAG_SPL_FREQ_WEIGHT_A); | |
259 | else if (!strcmp(tmp_str, "C")) | |
260 | ret = cem_dt_885x_weight_freq_set(sdi, | |
261 | SR_MQFLAG_SPL_FREQ_WEIGHT_C); | |
262 | else | |
263 | return SR_ERR_ARG; | |
264 | break; | |
1487ce4f BV |
265 | case SR_CONF_SPL_WEIGHT_TIME: |
266 | tmp_str = g_variant_get_string(data, NULL); | |
267 | if (!strcmp(tmp_str, "F")) | |
268 | ret = cem_dt_885x_weight_time_set(sdi, | |
269 | SR_MQFLAG_SPL_TIME_WEIGHT_F); | |
270 | else if (!strcmp(tmp_str, "S")) | |
271 | ret = cem_dt_885x_weight_time_set(sdi, | |
272 | SR_MQFLAG_SPL_TIME_WEIGHT_S); | |
273 | else | |
274 | return SR_ERR_ARG; | |
275 | break; | |
a90e480c BV |
276 | case SR_CONF_HOLD_MAX: |
277 | tmp = g_variant_get_boolean(data) ? SR_MQFLAG_MAX : 0; | |
278 | ret = cem_dt_885x_holdmode_set(sdi, tmp); | |
279 | break; | |
280 | case SR_CONF_HOLD_MIN: | |
281 | tmp = g_variant_get_boolean(data) ? SR_MQFLAG_MIN : 0; | |
282 | ret = cem_dt_885x_holdmode_set(sdi, tmp); | |
283 | break; | |
8fa9368e BV |
284 | default: |
285 | ret = SR_ERR_NA; | |
286 | } | |
287 | ||
288 | return ret; | |
289 | } | |
290 | ||
291 | static int config_list(int key, GVariant **data, const struct sr_dev_inst *sdi) | |
292 | { | |
293 | int ret; | |
294 | ||
295 | (void)sdi; | |
8fa9368e BV |
296 | |
297 | ret = SR_OK; | |
298 | switch (key) { | |
7fb8279c BV |
299 | case SR_CONF_SCAN_OPTIONS: |
300 | *data = g_variant_new_fixed_array(G_VARIANT_TYPE_INT32, | |
301 | hwopts, ARRAY_SIZE(hwopts), sizeof(int32_t)); | |
302 | break; | |
303 | case SR_CONF_DEVICE_OPTIONS: | |
304 | *data = g_variant_new_fixed_array(G_VARIANT_TYPE_INT32, | |
305 | hwcaps, ARRAY_SIZE(hwcaps), sizeof(int32_t)); | |
306 | break; | |
be733919 BV |
307 | case SR_CONF_SPL_WEIGHT_FREQ: |
308 | *data = g_variant_new_strv(weight_freq, ARRAY_SIZE(weight_freq)); | |
309 | break; | |
1487ce4f BV |
310 | case SR_CONF_SPL_WEIGHT_TIME: |
311 | *data = g_variant_new_strv(weight_time, ARRAY_SIZE(weight_time)); | |
312 | break; | |
8fa9368e BV |
313 | default: |
314 | return SR_ERR_NA; | |
315 | } | |
316 | ||
317 | return ret; | |
318 | } | |
319 | ||
e37c4b39 | 320 | static int dev_acquisition_start(const struct sr_dev_inst *sdi, void *cb_data) |
8fa9368e | 321 | { |
e37c4b39 BV |
322 | struct dev_context *devc; |
323 | struct sr_serial_dev_inst *serial; | |
8fa9368e BV |
324 | |
325 | if (sdi->status != SR_ST_ACTIVE) | |
326 | return SR_ERR_DEV_CLOSED; | |
327 | ||
e37c4b39 BV |
328 | if (!(devc = sdi->priv)) { |
329 | sr_err("sdi->priv was NULL."); | |
330 | return SR_ERR_BUG; | |
331 | } | |
332 | ||
333 | devc->cb_data = cb_data; | |
334 | devc->state = ST_INIT; | |
335 | devc->num_samples = 0; | |
336 | devc->buf_len = 0; | |
337 | ||
338 | /* Send header packet to the session bus. */ | |
339 | std_session_send_df_header(cb_data, LOG_PREFIX); | |
340 | ||
341 | /* Poll every 100ms, or whenever some data comes in. */ | |
342 | serial = sdi->conn; | |
343 | sr_source_add(serial->fd, G_IO_IN, 150, cem_dt_885x_receive_data, | |
344 | (void *)sdi); | |
8fa9368e BV |
345 | |
346 | return SR_OK; | |
347 | } | |
348 | ||
349 | static int dev_acquisition_stop(struct sr_dev_inst *sdi, void *cb_data) | |
350 | { | |
351 | (void)cb_data; | |
352 | ||
353 | if (sdi->status != SR_ST_ACTIVE) | |
354 | return SR_ERR_DEV_CLOSED; | |
355 | ||
e37c4b39 BV |
356 | return std_dev_acquisition_stop_serial(sdi, cb_data, dev_close, |
357 | sdi->conn, LOG_PREFIX); | |
8fa9368e BV |
358 | |
359 | return SR_OK; | |
360 | } | |
361 | ||
362 | SR_PRIV struct sr_dev_driver cem_dt_885x_driver_info = { | |
363 | .name = "cem-dt-885x", | |
364 | .longname = "CEM DT-885x", | |
365 | .api_version = 1, | |
366 | .init = init, | |
367 | .cleanup = cleanup, | |
368 | .scan = scan, | |
369 | .dev_list = dev_list, | |
370 | .dev_clear = dev_clear, | |
371 | .config_get = config_get, | |
372 | .config_set = config_set, | |
373 | .config_list = config_list, | |
374 | .dev_open = dev_open, | |
375 | .dev_close = dev_close, | |
376 | .dev_acquisition_start = dev_acquisition_start, | |
377 | .dev_acquisition_stop = dev_acquisition_stop, | |
378 | .priv = NULL, | |
379 | }; |