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std_serial_dev_acquisition_stop(): Remove serial parameter
[libsigrok.git] / src / hardware / cem-dt-885x / api.c
CommitLineData
8fa9368e
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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
6ec6c43b 20#include <config.h>
be733919 21#include <string.h>
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22#include "protocol.h"
23
7fb8279c 24#define SERIALCOMM "9600/8n1"
1beccaed 25
7fb8279c 26/* 23ms is the longest interval between tokens. */
1a46cc62 27#define MAX_SCAN_TIME_US (25 * 1000)
7fb8279c 28
a0e0bb41 29static const uint32_t scanopts[] = {
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30 SR_CONF_CONN,
31};
32
023c73ae 33static const uint32_t drvopts[] = {
7fb8279c 34 SR_CONF_SOUNDLEVELMETER,
d7125bfa
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35};
36
023c73ae 37static const uint32_t devopts[] = {
e91bb0a6 38 SR_CONF_CONTINUOUS,
023c73ae 39 SR_CONF_LIMIT_SAMPLES | SR_CONF_GET | SR_CONF_SET,
5827f61b
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40 SR_CONF_SPL_WEIGHT_FREQ | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST,
41 SR_CONF_SPL_WEIGHT_TIME | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST,
42 SR_CONF_SPL_MEASUREMENT_RANGE | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST,
43 SR_CONF_DATALOG | SR_CONF_GET | SR_CONF_SET,
44 SR_CONF_HOLD_MAX | SR_CONF_GET | SR_CONF_SET,
45 SR_CONF_HOLD_MIN | SR_CONF_GET | SR_CONF_SET,
46 SR_CONF_POWER_OFF | SR_CONF_GET | SR_CONF_SET,
47 SR_CONF_DATA_SOURCE | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST,
7fb8279c
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48};
49
be733919
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50static const char *weight_freq[] = {
51 "A",
52 "C",
53};
7fb8279c 54
1487ce4f
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55static const char *weight_time[] = {
56 "F",
57 "S",
58};
59
f157b2ee
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60static const uint64_t meas_ranges[][2] = {
61 { 30, 130 },
62 { 30, 80 },
63 { 50, 100 },
64 { 80, 130 },
65};
66
662172d4
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67static const char *data_sources[] = {
68 "Live",
69 "Memory",
70};
8fa9368e 71
4f840ce9 72static GSList *scan(struct sr_dev_driver *di, GSList *options)
8fa9368e 73{
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74 struct dev_context *devc;
75 struct sr_config *src;
76 struct sr_serial_dev_inst *serial;
77 struct sr_dev_inst *sdi;
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78 GSList *l, *devices;
79 gint64 start;
80 const char *conn;
81 unsigned char c;
82
83 conn = NULL;
84 for (l = options; l; l = l->next) {
85 src = l->data;
86 if (src->key == SR_CONF_CONN)
87 conn = g_variant_get_string(src->data, NULL);
88 }
89 if (!conn)
90 return NULL;
91
91219afc 92 serial = sr_serial_dev_inst_new(conn, SERIALCOMM);
8fa9368e 93
d7b269da 94 if (serial_open(serial, SERIAL_RDONLY) != SR_OK)
7fb8279c 95 return NULL;
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96
97 devices = NULL;
7fb8279c 98 start = g_get_monotonic_time();
1a46cc62 99 while (g_get_monotonic_time() - start < MAX_SCAN_TIME_US) {
d7b269da 100 if (serial_read_nonblocking(serial, &c, 1) == 1 && c == 0xa5) {
7fb8279c 101 /* Found one. */
aac29cc1 102 sdi = g_malloc0(sizeof(struct sr_dev_inst));
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103 sdi->status = SR_ST_INACTIVE;
104 sdi->vendor = g_strdup("CEM");
105 sdi->model = g_strdup("DT-885x");
f57d8ffe 106 devc = g_malloc0(sizeof(struct dev_context));
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107 devc->cur_mqflags = 0;
108 devc->recording = -1;
f157b2ee 109 devc->cur_meas_range = 0;
662172d4 110 devc->cur_data_source = DATA_SOURCE_LIVE;
cea26f6e 111 devc->enable_data_source_memory = FALSE;
91219afc 112 sdi->conn = sr_serial_dev_inst_new(conn, SERIALCOMM);
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113 sdi->inst_type = SR_INST_SERIAL;
114 sdi->priv = devc;
5e23fcab 115 sr_channel_new(sdi, 0, SR_CHANNEL_ANALOG, TRUE, "SPL");
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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 124
15a5bfe4 125 return std_scan_complete(di, devices);
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126}
127
584560f1 128static int config_get(uint32_t key, GVariant **data, const struct sr_dev_inst *sdi,
53b4680f 129 const struct sr_channel_group *cg)
8fa9368e 130{
7fb8279c 131 struct dev_context *devc;
f157b2ee
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132 GVariant *range[2];
133 uint64_t low, high;
a90e480c 134 int tmp, ret;
8fa9368e 135
53b4680f 136 (void)cg;
d3c74a6f 137
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138 if (!sdi)
139 return SR_ERR_ARG;
8fa9368e 140
7fb8279c 141 devc = sdi->priv;
a90e480c 142 ret = SR_OK;
8fa9368e 143 switch (key) {
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144 case SR_CONF_LIMIT_SAMPLES:
145 *data = g_variant_new_uint64(devc->limit_samples);
146 break;
e1af0e85 147 case SR_CONF_DATALOG:
0cd9107d
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148 if ((ret = cem_dt_885x_recording_get(sdi, &tmp)) == SR_OK)
149 *data = g_variant_new_boolean(tmp);
e1af0e85 150 break;
be733919
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151 case SR_CONF_SPL_WEIGHT_FREQ:
152 tmp = cem_dt_885x_weight_freq_get(sdi);
153 if (tmp == SR_MQFLAG_SPL_FREQ_WEIGHT_A)
154 *data = g_variant_new_string("A");
155 else if (tmp == SR_MQFLAG_SPL_FREQ_WEIGHT_C)
156 *data = g_variant_new_string("C");
157 else
158 return SR_ERR;
159 break;
1487ce4f
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160 case SR_CONF_SPL_WEIGHT_TIME:
161 tmp = cem_dt_885x_weight_time_get(sdi);
162 if (tmp == SR_MQFLAG_SPL_TIME_WEIGHT_F)
163 *data = g_variant_new_string("F");
164 else if (tmp == SR_MQFLAG_SPL_TIME_WEIGHT_S)
165 *data = g_variant_new_string("S");
166 else
167 return SR_ERR;
168 break;
a90e480c
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169 case SR_CONF_HOLD_MAX:
170 if ((ret = cem_dt_885x_holdmode_get(sdi, &tmp)) == SR_OK)
171 *data = g_variant_new_boolean(tmp == SR_MQFLAG_MAX);
172 break;
173 case SR_CONF_HOLD_MIN:
174 if ((ret = cem_dt_885x_holdmode_get(sdi, &tmp)) == SR_OK)
175 *data = g_variant_new_boolean(tmp == SR_MQFLAG_MIN);
176 break;
f157b2ee
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177 case SR_CONF_SPL_MEASUREMENT_RANGE:
178 if ((ret = cem_dt_885x_meas_range_get(sdi, &low, &high)) == SR_OK) {
179 range[0] = g_variant_new_uint64(low);
180 range[1] = g_variant_new_uint64(high);
181 *data = g_variant_new_tuple(range, 2);
182 }
183 break;
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184 case SR_CONF_POWER_OFF:
185 *data = g_variant_new_boolean(FALSE);
186 break;
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187 case SR_CONF_DATA_SOURCE:
188 if (devc->cur_data_source == DATA_SOURCE_LIVE)
189 *data = g_variant_new_string("Live");
190 else
191 *data = g_variant_new_string("Memory");
192 break;
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193 default:
194 return SR_ERR_NA;
195 }
196
a90e480c 197 return ret;
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198}
199
584560f1 200static int config_set(uint32_t key, GVariant *data, const struct sr_dev_inst *sdi,
53b4680f 201 const struct sr_channel_group *cg)
8fa9368e 202{
7fb8279c 203 struct dev_context *devc;
f157b2ee
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204 uint64_t tmp_u64, low, high;
205 unsigned int i;
a90e480c 206 int tmp, ret;
be733919 207 const char *tmp_str;
8fa9368e 208
53b4680f 209 (void)cg;
d3c74a6f 210
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211 if (sdi->status != SR_ST_ACTIVE)
212 return SR_ERR_DEV_CLOSED;
213
b0baddef 214 devc = sdi->priv;
7fb8279c 215
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216 ret = SR_OK;
217 switch (key) {
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218 case SR_CONF_LIMIT_SAMPLES:
219 tmp_u64 = g_variant_get_uint64(data);
220 devc->limit_samples = tmp_u64;
221 ret = SR_OK;
222 break;
e1af0e85 223 case SR_CONF_DATALOG:
0cd9107d 224 ret = cem_dt_885x_recording_set(sdi, g_variant_get_boolean(data));
e1af0e85 225 break;
be733919
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226 case SR_CONF_SPL_WEIGHT_FREQ:
227 tmp_str = g_variant_get_string(data, NULL);
228 if (!strcmp(tmp_str, "A"))
229 ret = cem_dt_885x_weight_freq_set(sdi,
230 SR_MQFLAG_SPL_FREQ_WEIGHT_A);
231 else if (!strcmp(tmp_str, "C"))
232 ret = cem_dt_885x_weight_freq_set(sdi,
233 SR_MQFLAG_SPL_FREQ_WEIGHT_C);
234 else
235 return SR_ERR_ARG;
236 break;
1487ce4f
BV
237 case SR_CONF_SPL_WEIGHT_TIME:
238 tmp_str = g_variant_get_string(data, NULL);
239 if (!strcmp(tmp_str, "F"))
240 ret = cem_dt_885x_weight_time_set(sdi,
241 SR_MQFLAG_SPL_TIME_WEIGHT_F);
242 else if (!strcmp(tmp_str, "S"))
243 ret = cem_dt_885x_weight_time_set(sdi,
244 SR_MQFLAG_SPL_TIME_WEIGHT_S);
245 else
246 return SR_ERR_ARG;
247 break;
a90e480c
BV
248 case SR_CONF_HOLD_MAX:
249 tmp = g_variant_get_boolean(data) ? SR_MQFLAG_MAX : 0;
250 ret = cem_dt_885x_holdmode_set(sdi, tmp);
251 break;
252 case SR_CONF_HOLD_MIN:
253 tmp = g_variant_get_boolean(data) ? SR_MQFLAG_MIN : 0;
254 ret = cem_dt_885x_holdmode_set(sdi, tmp);
255 break;
f157b2ee
BV
256 case SR_CONF_SPL_MEASUREMENT_RANGE:
257 g_variant_get(data, "(tt)", &low, &high);
258 ret = SR_ERR_ARG;
259 for (i = 0; i < ARRAY_SIZE(meas_ranges); i++) {
260 if (meas_ranges[i][0] == low && meas_ranges[i][1] == high) {
261 ret = cem_dt_885x_meas_range_set(sdi, low, high);
262 break;
263 }
264 }
265 break;
4c22355f
BV
266 case SR_CONF_POWER_OFF:
267 if (g_variant_get_boolean(data))
268 ret = cem_dt_885x_power_off(sdi);
269 break;
662172d4
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270 case SR_CONF_DATA_SOURCE:
271 tmp_str = g_variant_get_string(data, NULL);
272 if (!strcmp(tmp_str, "Live"))
273 devc->cur_data_source = DATA_SOURCE_LIVE;
274 else if (!strcmp(tmp_str, "Memory"))
275 devc->cur_data_source = DATA_SOURCE_MEMORY;
276 else
277 return SR_ERR;
cea26f6e 278 devc->enable_data_source_memory = devc->cur_data_source == DATA_SOURCE_MEMORY;
662172d4 279 break;
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280 default:
281 ret = SR_ERR_NA;
282 }
283
284 return ret;
285}
286
584560f1 287static int config_list(uint32_t key, GVariant **data, const struct sr_dev_inst *sdi,
53b4680f 288 const struct sr_channel_group *cg)
8fa9368e 289{
f157b2ee
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290 GVariant *tuple, *range[2];
291 GVariantBuilder gvb;
292 unsigned int i;
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293 int ret;
294
53b4680f 295 (void)cg;
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296
297 ret = SR_OK;
d7125bfa
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298 if (!sdi) {
299 switch (key) {
300 case SR_CONF_SCAN_OPTIONS:
301 *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32,
302 scanopts, ARRAY_SIZE(scanopts), sizeof(uint32_t));
303 break;
304 case SR_CONF_DEVICE_OPTIONS:
305 *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32,
023c73ae 306 drvopts, ARRAY_SIZE(drvopts), sizeof(uint32_t));
d7125bfa
BV
307 break;
308 default:
309 return SR_ERR_NA;
310 }
311 } else {
312 switch (key) {
313 case SR_CONF_DEVICE_OPTIONS:
314 *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32,
023c73ae 315 devopts, ARRAY_SIZE(devopts), sizeof(uint32_t));
e742b88f 316 break;
d7125bfa
BV
317 case SR_CONF_SPL_WEIGHT_FREQ:
318 *data = g_variant_new_strv(weight_freq, ARRAY_SIZE(weight_freq));
319 break;
320 case SR_CONF_SPL_WEIGHT_TIME:
321 *data = g_variant_new_strv(weight_time, ARRAY_SIZE(weight_time));
322 break;
323 case SR_CONF_SPL_MEASUREMENT_RANGE:
324 g_variant_builder_init(&gvb, G_VARIANT_TYPE_ARRAY);
325 for (i = 0; i < ARRAY_SIZE(meas_ranges); i++) {
326 range[0] = g_variant_new_uint64(meas_ranges[i][0]);
327 range[1] = g_variant_new_uint64(meas_ranges[i][1]);
328 tuple = g_variant_new_tuple(range, 2);
329 g_variant_builder_add_value(&gvb, tuple);
330 }
331 *data = g_variant_builder_end(&gvb);
332 break;
333 case SR_CONF_DATA_SOURCE:
334 *data = g_variant_new_strv(data_sources, ARRAY_SIZE(data_sources));
335 break;
336 default:
337 return SR_ERR_NA;
f157b2ee 338 }
8fa9368e
BV
339 }
340
341 return ret;
342}
343
695dc859 344static int dev_acquisition_start(const struct sr_dev_inst *sdi)
8fa9368e 345{
e37c4b39
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346 struct dev_context *devc;
347 struct sr_serial_dev_inst *serial;
8fa9368e
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348
349 if (sdi->status != SR_ST_ACTIVE)
350 return SR_ERR_DEV_CLOSED;
351
208c1d35 352 devc = sdi->priv;
e37c4b39
BV
353 devc->state = ST_INIT;
354 devc->num_samples = 0;
355 devc->buf_len = 0;
356
bee2b016 357 std_session_send_df_header(sdi);
e37c4b39
BV
358
359 /* Poll every 100ms, or whenever some data comes in. */
360 serial = sdi->conn;
102f1239
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361 serial_source_add(sdi->session, serial, G_IO_IN, 150,
362 cem_dt_885x_receive_data, (void *)sdi);
8fa9368e
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363
364 return SR_OK;
365}
366
695dc859 367static int dev_acquisition_stop(struct sr_dev_inst *sdi)
8fa9368e 368{
8fa9368e
BV
369 if (sdi->status != SR_ST_ACTIVE)
370 return SR_ERR_DEV_CLOSED;
371
15f96409 372 return std_serial_dev_acquisition_stop(sdi, std_serial_dev_close);
8fa9368e
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373}
374
dd5c48a6 375static struct sr_dev_driver cem_dt_885x_driver_info = {
8fa9368e
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376 .name = "cem-dt-885x",
377 .longname = "CEM DT-885x",
378 .api_version = 1,
c2fdcc25 379 .init = std_init,
700d6b64 380 .cleanup = std_cleanup,
8fa9368e 381 .scan = scan,
c01bf34c 382 .dev_list = std_dev_list,
a6630742 383 .dev_clear = NULL,
8fa9368e
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384 .config_get = config_get,
385 .config_set = config_set,
386 .config_list = config_list,
8f878dc6 387 .dev_open = std_serial_dev_open,
bf2c987f 388 .dev_close = std_serial_dev_close,
8fa9368e
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389 .dev_acquisition_start = dev_acquisition_start,
390 .dev_acquisition_stop = dev_acquisition_stop,
41812aca 391 .context = NULL,
8fa9368e 392};
dd5c48a6 393SR_REGISTER_DEV_DRIVER(cem_dt_885x_driver_info);