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Don't check sr_channel_new() return value (always succeeds).
[libsigrok.git] / src / hardware / manson-hcs-3xxx / api.c
CommitLineData
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1/*
2 * This file is part of the libsigrok project.
3 *
4 * Copyright (C) 2014 Uwe Hermann <uwe@hermann-uwe.de>
25abc8dd 5 * Copyright (C) 2014 Matthias Heidbrink <m-sigrok@heidbrink.biz>
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6 *
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation; either version 2 of the License, or
10 * (at your option) any later version.
11 *
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
16 *
17 * You should have received a copy of the GNU General Public License
18 * along with this program; if not, write to the Free Software
19 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
20 */
21
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22/** @file
23 * <em>Manson HCS-3xxx Series</em> power supply driver
24 * @internal
25 */
26
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27#include "protocol.h"
28
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29static const uint32_t drvopts[] = {
30 /* Device class */
31 SR_CONF_POWER_SUPPLY,
32};
33
a0e0bb41 34static const uint32_t scanopts[] = {
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35 SR_CONF_CONN,
36 SR_CONF_SERIALCOMM,
37};
38
584560f1 39static const uint32_t devopts[] = {
811d6255 40 /* Device class */
b5e92647 41 SR_CONF_POWER_SUPPLY,
811d6255 42 /* Aquisition modes. */
b5e92647 43 SR_CONF_CONTINUOUS,
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44 SR_CONF_LIMIT_SAMPLES | SR_CONF_GET | SR_CONF_SET,
45 SR_CONF_LIMIT_MSEC | SR_CONF_GET | SR_CONF_SET,
811d6255 46 /* Device configuration */
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47 SR_CONF_OUTPUT_VOLTAGE | SR_CONF_GET,
48 SR_CONF_OUTPUT_VOLTAGE_TARGET | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST,
5827f61b 49 SR_CONF_OUTPUT_CURRENT | SR_CONF_GET,
ca95e90f 50 SR_CONF_OUTPUT_CURRENT_LIMIT | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST,
5827f61b 51 SR_CONF_OUTPUT_ENABLED | SR_CONF_GET | SR_CONF_SET,
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52};
53
54/* Note: All models have one power supply output only. */
55static struct hcs_model models[] = {
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56 { MANSON_HCS_3100, "HCS-3100", "3100", { 1, 18, 0.1 }, { 0, 10, 0.10 } },
57 { MANSON_HCS_3102, "HCS-3102", "3102", { 1, 36, 0.1 }, { 0, 5, 0.01 } },
58 { MANSON_HCS_3104, "HCS-3104", "3104", { 1, 60, 0.1 }, { 0, 2.5, 0.01 } },
59 { MANSON_HCS_3150, "HCS-3150", "3150", { 1, 18, 0.1 }, { 0, 15, 0.10 } },
60 { MANSON_HCS_3200, "HCS-3200", "3200", { 1, 18, 0.1 }, { 0, 20, 0.10 } },
61 { MANSON_HCS_3202, "HCS-3202", "3202", { 1, 36, 0.1 }, { 0, 10, 0.10 } },
62 { MANSON_HCS_3204, "HCS-3204", "3204", { 1, 60, 0.1 }, { 0, 5, 0.01 } },
63 { MANSON_HCS_3300, "HCS-3300-USB", "3300", { 1, 16, 0.1 }, { 0, 30, 0.10 } },
64 { MANSON_HCS_3302, "HCS-3302-USB", "3302", { 1, 32, 0.1 }, { 0, 15, 0.10 } },
65 { MANSON_HCS_3304, "HCS-3304-USB", "3304", { 1, 60, 0.1 }, { 0, 8, 0.10 } },
66 { MANSON_HCS_3400, "HCS-3400-USB", "3400", { 1, 16, 0.1 }, { 0, 40, 0.10 } },
67 { MANSON_HCS_3402, "HCS-3402-USB", "3402", { 1, 32, 0.1 }, { 0, 20, 0.10 } },
68 { MANSON_HCS_3404, "HCS-3404-USB", "3404", { 1, 60, 0.1 }, { 0, 10, 0.10 } },
69 { MANSON_HCS_3600, "HCS-3600-USB", "3600", { 1, 16, 0.1 }, { 0, 60, 0.10 } },
70 { MANSON_HCS_3602, "HCS-3602-USB", "3602", { 1, 32, 0.1 }, { 0, 30, 0.10 } },
71 { MANSON_HCS_3604, "HCS-3604-USB", "3604", { 1, 60, 0.1 }, { 0, 15, 0.10 } },
72 { 0, NULL, NULL, { 0, 0, 0 }, { 0, 0, 0 }, },
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73};
74
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75SR_PRIV struct sr_dev_driver manson_hcs_3xxx_driver_info;
76static struct sr_dev_driver *di = &manson_hcs_3xxx_driver_info;
77
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78static int dev_clear(void)
79{
80 return std_dev_clear(di, NULL);
81}
82
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83static int init(struct sr_context *sr_ctx)
84{
85 return std_init(sr_ctx, di, LOG_PREFIX);
86}
87
88static GSList *scan(GSList *options)
89{
b5e92647 90 int i, model_id;
8f4e922f 91 struct drv_context *drvc;
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92 struct dev_context *devc;
93 struct sr_dev_inst *sdi;
94 struct sr_config *src;
95 struct sr_channel *ch;
96 GSList *devices, *l;
97 const char *conn, *serialcomm;
98 struct sr_serial_dev_inst *serial;
5437a0ad 99 char reply[50], **tokens, *dummy;
8f4e922f 100
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101 drvc = di->priv;
102 drvc->instances = NULL;
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103 devices = NULL;
104 conn = NULL;
105 serialcomm = NULL;
9740d9bf 106 devc = NULL;
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107
108 for (l = options; l; l = l->next) {
109 src = l->data;
110 switch (src->key) {
111 case SR_CONF_CONN:
112 conn = g_variant_get_string(src->data, NULL);
113 break;
114 case SR_CONF_SERIALCOMM:
115 serialcomm = g_variant_get_string(src->data, NULL);
116 break;
117 default:
118 sr_err("Unknown option %d, skipping.", src->key);
119 break;
120 }
121 }
8f4e922f 122
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123 if (!conn)
124 return NULL;
125 if (!serialcomm)
126 serialcomm = "9600/8n1";
8f4e922f 127
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128 if (!(serial = sr_serial_dev_inst_new(conn, serialcomm)))
129 return NULL;
8f4e922f 130
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131 if (serial_open(serial, SERIAL_RDWR) != SR_OK)
132 return NULL;
8f4e922f 133
b5e92647 134 serial_flush(serial);
8f4e922f 135
b5e92647 136 sr_info("Probing serial port %s.", conn);
8f4e922f 137
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138 /* Get the device model. */
139 memset(&reply, 0, sizeof(reply));
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140 if ((hcs_send_cmd(serial, "GMOD\r") < 0) ||
141 (hcs_read_reply(serial, 2, reply, sizeof(reply)) < 0))
142 return NULL;
b5e92647 143 tokens = g_strsplit((const gchar *)&reply, "\r", 2);
8f4e922f 144
b5e92647 145 model_id = -1;
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146 for (i = 0; models[i].id != NULL; i++) {
147 if (!strcmp(models[i].id, tokens[0]))
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148 model_id = i;
149 }
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150 g_strfreev(tokens);
151
b5e92647 152 if (model_id < 0) {
25abc8dd 153 sr_err("Unknown model id '%s' detected, aborting.", tokens[0]);
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154 return NULL;
155 }
156
9740d9bf 157 /* Init device instance, etc. */
aac29cc1 158 sdi = g_malloc0(sizeof(struct sr_dev_inst));
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159 sdi->status = SR_ST_INACTIVE;
160 sdi->vendor = g_strdup("Manson");
161 sdi->model = g_strdup(models[model_id].name);
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162 sdi->inst_type = SR_INST_SERIAL;
163 sdi->conn = serial;
164 sdi->driver = di;
165
c368e6f3 166 ch = sr_channel_new(0, SR_CHANNEL_ANALOG, TRUE, "CH1");
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167 sdi->channels = g_slist_append(sdi->channels, ch);
168
169 devc = g_malloc0(sizeof(struct dev_context));
170 devc->model = &models[model_id];
171
172 sdi->priv = devc;
173
5437a0ad 174 /* Get current voltage, current, status. */
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175 if ((hcs_send_cmd(serial, "GETD\r") < 0) ||
176 (hcs_read_reply(serial, 2, reply, sizeof(reply)) < 0))
5437a0ad 177 goto exit_err;
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178 tokens = g_strsplit((const gchar *)&reply, "\r", 2);
179 if (hcs_parse_volt_curr_mode(sdi, tokens) < 0)
180 goto exit_err;
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181 g_strfreev(tokens);
182
183 /* Get max. voltage and current. */
184 if ((hcs_send_cmd(serial, "GMAX\r") < 0) ||
185 (hcs_read_reply(serial, 2, reply, sizeof(reply)) < 0))
186 goto exit_err;
187 tokens = g_strsplit((const gchar *)&reply, "\r", 2);
188 devc->current_max_device = g_strtod(&tokens[0][3], &dummy) * devc->model->current[2];
189 tokens[0][3] = '\0';
190 devc->voltage_max_device = g_strtod(tokens[0], &dummy) * devc->model->voltage[2];
191 g_strfreev(tokens);
9740d9bf 192
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193 drvc->instances = g_slist_append(drvc->instances, sdi);
194 devices = g_slist_append(devices, sdi);
195
196 serial_close(serial);
197 if (!devices)
198 sr_serial_dev_inst_free(serial);
199
200 return devices;
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201
202exit_err:
203 sr_dev_inst_free(sdi);
204 if (devc)
205 g_free(devc);
206 return NULL;
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207}
208
209static GSList *dev_list(void)
210{
211 return ((struct drv_context *)(di->priv))->instances;
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212}
213
214static int cleanup(void)
215{
216 return dev_clear();
217}
218
584560f1 219static int config_get(uint32_t key, GVariant **data, const struct sr_dev_inst *sdi,
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220 const struct sr_channel_group *cg)
221{
b5e92647 222 struct dev_context *devc;
8f4e922f 223
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224 (void)cg;
225
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226 if (!sdi)
227 return SR_ERR_ARG;
228
229 devc = sdi->priv;
230
8f4e922f 231 switch (key) {
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232 case SR_CONF_LIMIT_SAMPLES:
233 *data = g_variant_new_uint64(devc->limit_samples);
234 break;
235 case SR_CONF_LIMIT_MSEC:
236 *data = g_variant_new_uint64(devc->limit_msec);
237 break;
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238 case SR_CONF_OUTPUT_VOLTAGE:
239 *data = g_variant_new_double(devc->voltage);
240 break;
241 case SR_CONF_OUTPUT_VOLTAGE_TARGET:
242 *data = g_variant_new_double(devc->voltage_max);
243 break;
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244 case SR_CONF_OUTPUT_CURRENT:
245 *data = g_variant_new_double(devc->current);
246 break;
ca95e90f 247 case SR_CONF_OUTPUT_CURRENT_LIMIT:
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248 *data = g_variant_new_double(devc->current_max);
249 break;
250 case SR_CONF_OUTPUT_ENABLED:
251 *data = g_variant_new_boolean(devc->output_enabled);
252 break;
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253 default:
254 return SR_ERR_NA;
255 }
256
b5e92647 257 return SR_OK;
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258}
259
584560f1 260static int config_set(uint32_t key, GVariant *data, const struct sr_dev_inst *sdi,
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261 const struct sr_channel_group *cg)
262{
b5e92647 263 struct dev_context *devc;
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264 gboolean bval;
265 gdouble dval;
8f4e922f 266
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267 (void)cg;
268
269 if (sdi->status != SR_ST_ACTIVE)
270 return SR_ERR_DEV_CLOSED;
271
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272 devc = sdi->priv;
273
8f4e922f 274 switch (key) {
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275 case SR_CONF_LIMIT_MSEC:
276 if (g_variant_get_uint64(data) == 0)
277 return SR_ERR_ARG;
278 devc->limit_msec = g_variant_get_uint64(data);
279 break;
280 case SR_CONF_LIMIT_SAMPLES:
281 if (g_variant_get_uint64(data) == 0)
282 return SR_ERR_ARG;
283 devc->limit_samples = g_variant_get_uint64(data);
284 break;
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285 case SR_CONF_OUTPUT_VOLTAGE_TARGET:
286 dval = g_variant_get_double(data);
287 if (dval < devc->model->voltage[0] || dval > devc->voltage_max_device)
288 return SR_ERR_ARG;
289
290 if ((hcs_send_cmd(sdi->conn, "VOLT%03.0f\r",
291 (dval / devc->model->voltage[2])) < 0) ||
292 (hcs_read_reply(sdi->conn, 1, devc->buf, sizeof(devc->buf)) < 0))
293 return SR_ERR;
294 devc->voltage_max = dval;
295 break;
296 case SR_CONF_OUTPUT_CURRENT_LIMIT:
811d6255 297 dval = g_variant_get_double(data);
5437a0ad 298 if (dval < devc->model->current[0] || dval > devc->current_max_device)
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299 return SR_ERR_ARG;
300
301 if ((hcs_send_cmd(sdi->conn, "CURR%03.0f\r",
302 (dval / devc->model->current[2])) < 0) ||
303 (hcs_read_reply(sdi->conn, 1, devc->buf, sizeof(devc->buf)) < 0))
304 return SR_ERR;
305 devc->current_max = dval;
306 break;
307 case SR_CONF_OUTPUT_ENABLED:
308 bval = g_variant_get_boolean(data);
309 if (bval == devc->output_enabled) /* Nothing to do. */
310 break;
311 if ((hcs_send_cmd(sdi->conn, "SOUT%1d\r", !bval) < 0) ||
312 (hcs_read_reply(sdi->conn, 1, devc->buf, sizeof(devc->buf)) < 0))
313 return SR_ERR;
314 devc->output_enabled = bval;
315 break;
8f4e922f 316 default:
b5e92647 317 return SR_ERR_NA;
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318 }
319
b5e92647 320 return SR_OK;
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321}
322
584560f1 323static int config_list(uint32_t key, GVariant **data, const struct sr_dev_inst *sdi,
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324 const struct sr_channel_group *cg)
325{
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326 struct dev_context *devc;
327 GVariant *gvar;
328 GVariantBuilder gvb;
5437a0ad 329 double dval;
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330 int idx;
331
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332 (void)cg;
333
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334 if (key == SR_CONF_DEVICE_OPTIONS && !sdi) {
335 *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32,
336 drvopts, ARRAY_SIZE(drvopts), sizeof(uint32_t));
337 return SR_OK;
338 }
339
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340 if (!sdi)
341 return SR_ERR_ARG;
342 devc = sdi->priv;
343
8f4e922f 344 switch (key) {
b5e92647 345 case SR_CONF_SCAN_OPTIONS:
584560f1 346 *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32,
a0e0bb41 347 scanopts, ARRAY_SIZE(scanopts), sizeof(uint32_t));
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348 break;
349 case SR_CONF_DEVICE_OPTIONS:
584560f1 350 *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32,
f254bc4b 351 devopts, ARRAY_SIZE(devopts), sizeof(uint32_t));
b5e92647 352 break;
ca95e90f 353 case SR_CONF_OUTPUT_VOLTAGE_TARGET:
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354 g_variant_builder_init(&gvb, G_VARIANT_TYPE_ARRAY);
355 /* Min, max, step. */
356 for (idx = 0; idx < 3; idx++) {
5437a0ad 357 if (idx == 1)
ca95e90f 358 dval = devc->voltage_max_device;
5437a0ad 359 else
ca95e90f 360 dval = devc->model->voltage[idx];
5437a0ad 361 gvar = g_variant_new_double(dval);
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362 g_variant_builder_add_value(&gvb, gvar);
363 }
364 *data = g_variant_builder_end(&gvb);
365 break;
ca95e90f 366 case SR_CONF_OUTPUT_CURRENT_LIMIT:
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367 g_variant_builder_init(&gvb, G_VARIANT_TYPE_ARRAY);
368 /* Min, max, step. */
369 for (idx = 0; idx < 3; idx++) {
5437a0ad 370 if (idx == 1)
ca95e90f 371 dval = devc->current_max_device;
5437a0ad 372 else
ca95e90f 373 dval = devc->model->current[idx];
5437a0ad 374 gvar = g_variant_new_double(dval);
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375 g_variant_builder_add_value(&gvb, gvar);
376 }
377 *data = g_variant_builder_end(&gvb);
378 break;
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379 default:
380 return SR_ERR_NA;
381 }
382
b5e92647 383 return SR_OK;
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384}
385
b5e92647 386static int dev_acquisition_start(const struct sr_dev_inst *sdi, void *cb_data)
8f4e922f 387{
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388 struct dev_context *devc;
389 struct sr_serial_dev_inst *serial;
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390
391 if (sdi->status != SR_ST_ACTIVE)
392 return SR_ERR_DEV_CLOSED;
393
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394 devc = sdi->priv;
395 devc->cb_data = cb_data;
396
397 /* Send header packet to the session bus. */
398 std_session_send_df_header(cb_data, LOG_PREFIX);
399
400 devc->starttime = g_get_monotonic_time();
401 devc->num_samples = 0;
402 devc->reply_pending = FALSE;
403 devc->req_sent_at = 0;
404
405 /* Poll every 10ms, or whenever some data comes in. */
406 serial = sdi->conn;
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407 serial_source_add(sdi->session, serial, G_IO_IN, 10,
408 hcs_receive_data, (void *)sdi);
b5e92647 409
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410 return SR_OK;
411}
412
413static int dev_acquisition_stop(struct sr_dev_inst *sdi, void *cb_data)
414{
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415 return std_serial_dev_acquisition_stop(sdi, cb_data,
416 std_serial_dev_close, sdi->conn, LOG_PREFIX);
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417}
418
419SR_PRIV struct sr_dev_driver manson_hcs_3xxx_driver_info = {
420 .name = "manson-hcs-3xxx",
421 .longname = "Manson HCS-3xxx",
422 .api_version = 1,
423 .init = init,
424 .cleanup = cleanup,
425 .scan = scan,
426 .dev_list = dev_list,
427 .dev_clear = dev_clear,
428 .config_get = config_get,
429 .config_set = config_set,
430 .config_list = config_list,
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431 .dev_open = std_serial_dev_open,
432 .dev_close = std_serial_dev_close,
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433 .dev_acquisition_start = dev_acquisition_start,
434 .dev_acquisition_stop = dev_acquisition_stop,
435 .priv = NULL,
436};