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config_list: Don't check for sdi->priv != NULL.
[libsigrok.git] / src / hardware / motech-lps-30x / api.c
CommitLineData
41b7bd01
MH
1/*
2 * This file is part of the libsigrok project.
3 *
4 * Copyright (C) 2014 Matthias Heidbrink <m-sigrok@heidbrink.biz>
1c3d002b 5 * Copyright (C) 2014 Bert Vermeulen <bert@biot.com> (code from atten-pps3xxx)
41b7bd01
MH
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 3 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, see <http://www.gnu.org/licenses/>.
19 */
20
1c3d002b
MH
21/** @file
22 * <em>Motech LPS-30x series</em> power supply driver
23 * @internal
24 */
25
6ec6c43b 26#include <config.h>
1c3d002b 27#include <ctype.h>
1c3d002b
MH
28#include <math.h>
29#include <string.h>
41b7bd01
MH
30#include "protocol.h"
31
1c3d002b 32/* Forward declarations */
41b7bd01 33SR_PRIV struct sr_dev_driver motech_lps_301_driver_info;
1c3d002b 34SR_PRIV int lps_read_reply(struct sr_serial_dev_inst *serial, char **buf, int *buflen);
c442ffda
UH
35SR_PRIV int lps_send_va(struct sr_serial_dev_inst *serial, const char *fmt, va_list args);
36SR_PRIV int lps_cmd_ok(struct sr_serial_dev_inst *serial, const char *fmt, ...);
37SR_PRIV int lps_cmd_reply(char *reply, struct sr_serial_dev_inst *serial, const char *fmt, ...);
38SR_PRIV int lps_query_status(struct sr_dev_inst *sdi);
1c3d002b
MH
39
40/* Serial communication parameters */
41#define SERIALCOMM "2400/8n1/dtr=1/rts=1/flow=0"
42
43#define VENDOR_MOTECH "Motech"
44
413f1944
AJ
45/** Driver capabilities generic. */
46static const uint32_t drvopts[] = {
47 /* Device class */
48 SR_CONF_POWER_SUPPLY,
49};
50
1c3d002b 51/** Driver scanning options. */
a0e0bb41 52static const uint32_t scanopts[] = {
1c3d002b
MH
53 SR_CONF_CONN,
54 SR_CONF_SERIALCOMM,
55};
56
57/** Hardware capabilities generic. */
f254bc4b 58static const uint32_t devopts[] = {
1c3d002b
MH
59 /* Device class */
60 SR_CONF_POWER_SUPPLY,
f3f19d11 61 /* Acquisition modes. */
1c3d002b 62 SR_CONF_CONTINUOUS,
5827f61b
BV
63 SR_CONF_LIMIT_SAMPLES | SR_CONF_GET | SR_CONF_SET,
64 SR_CONF_LIMIT_MSEC | SR_CONF_GET | SR_CONF_SET,
1c3d002b 65 /* Device configuration */
7a0b98b5 66 SR_CONF_CHANNEL_CONFIG | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST,
1c3d002b
MH
67};
68
69/** Hardware capabilities channel 1, 2. */
f254bc4b 70static const uint32_t devopts_ch12[] = {
7a0b98b5
AJ
71 SR_CONF_VOLTAGE | SR_CONF_GET,
72 SR_CONF_VOLTAGE_TARGET | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST,
73 SR_CONF_CURRENT | SR_CONF_GET,
74 SR_CONF_CURRENT_LIMIT | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST,
75 SR_CONF_ENABLED | SR_CONF_GET | SR_CONF_SET,
1c3d002b
MH
76};
77
78/** Hardware capabilities channel 3. (LPS-304/305 only). */
f254bc4b 79static const uint32_t devopts_ch3[] = {
7a0b98b5
AJ
80 SR_CONF_VOLTAGE | SR_CONF_GET,
81 SR_CONF_ENABLED | SR_CONF_GET | SR_CONF_SET,
1c3d002b
MH
82};
83
84static const char *channel_modes[] = {
85 "Independent",
86 "Track1",
87 "Track2",
88};
89
329733d9 90static const struct lps_modelspec models[] = {
1c3d002b
MH
91 { LPS_UNKNOWN, "Dummy", 0,
92 {
93
94 }
95 },
96 { LPS_301, "LPS-301", 1,
97 {
98 /* Channel 1 */
99 { { 0, 32, 0.01 }, { 0.005, 2, 0.001 } },
100 },
101 },
102 { LPS_302, "LPS-302", 1,
103 {
104 /* Channel 1 */
105 { { 0, 32, 0.01 }, { 0.005, 3, 0.001 } },
106 },
107 },
108 { LPS_303, "LPS-303", 1,
109 {
110 /* Channel 1 */
111 { { 0, 32, 0.01 }, { 0.005, 3, 0.001 } },
112 },
113 },
114 { LPS_304, "LPS-304", 3,
115 {
116 /* Channel 1 */
117 { { 0, 32, 0.01 }, { 0.005, 3, 0.001 } },
118 /* Channel 2 */
119 { { 0, 32, 0.01 }, { 0.005, 3, 0.001 } },
120 /* Channel 3 */
121 { { 5, 5, 0.0 }, { 0.005, 3, 0.001 } },
122 },
123 },
124 { LPS_305, "LPS-305", 3,
125 {
126 /* Channel 1 */
127 { { 0, 32, 0.01 }, { 0.005, 3, 0.001 } },
128 /* Channel 2 */
129 { { 0, 32, 0.01 }, { 0.005, 3, 0.001 } },
130 /* Channel 3 */
131 { { 3.3, 5, 1.7 }, { 0.005, 3, 0.001 } },
132 },
133 },
134};
41b7bd01 135
1c3d002b
MH
136/** Send command to device with va_list.
137 */
c442ffda 138SR_PRIV int lps_send_va(struct sr_serial_dev_inst *serial, const char *fmt, va_list args)
41b7bd01 139{
1c3d002b
MH
140 int retc;
141 char auxfmt[LINELEN_MAX];
142 char buf[LINELEN_MAX];
41b7bd01 143
1c3d002b
MH
144 snprintf(auxfmt, sizeof(auxfmt), "%s\r\n", fmt);
145 vsnprintf(buf, sizeof(buf), auxfmt, args);
41b7bd01 146
1c3d002b 147 sr_spew("lps_send_va: \"%s\"", buf);
41b7bd01 148
1a65c5e8
UH
149 retc = serial_write_blocking(serial, buf, strlen(buf),
150 serial_timeout(serial, strlen(buf)));
41b7bd01 151
1c3d002b
MH
152 if (retc < 0)
153 return SR_ERR;
154
155 return SR_OK;
41b7bd01
MH
156}
157
1c3d002b
MH
158/** Send command to device.
159 */
c442ffda 160SR_PRIV int lps_send_req(struct sr_serial_dev_inst *serial, const char *fmt, ...)
41b7bd01 161{
1c3d002b
MH
162 int retc;
163 va_list args;
164
165 va_start(args, fmt);
166 retc = lps_send_va(serial, fmt, args);
167 va_end(args);
168
169 return retc;
41b7bd01
MH
170}
171
1c3d002b 172/** Send command and consume simple OK reply. */
c442ffda 173SR_PRIV int lps_cmd_ok(struct sr_serial_dev_inst *serial, const char *fmt, ...)
41b7bd01 174{
1c3d002b
MH
175 int retc;
176 va_list args;
177 char buf[LINELEN_MAX];
c442ffda 178 char *bufptr;
1c3d002b
MH
179 int buflen;
180
181 /* Send command */
182 va_start(args, fmt);
183 retc = lps_send_va(serial, fmt, args);
184 va_end(args);
185
186 if (retc != SR_OK)
187 return SR_ERR;
188
189 /* Read reply */
190 buf[0] = '\0';
191 bufptr = buf;
192 buflen = sizeof(buf);
193 retc = lps_read_reply(serial, &bufptr, &buflen);
194 if ((retc == SR_OK) && (buflen == 0))
195 return SR_OK;
196
197 return SR_ERR;
41b7bd01
MH
198}
199
1c3d002b 200/** Send command and read reply string.
dff0a894 201 * @param reply Pointer to buffer of size LINELEN_MAX. Will be NUL-terminated.
1c3d002b 202 */
c442ffda 203SR_PRIV int lps_cmd_reply(char *reply, struct sr_serial_dev_inst *serial, const char *fmt, ...)
41b7bd01 204{
1c3d002b
MH
205 int retc;
206 va_list args;
207 char buf[LINELEN_MAX];
c442ffda 208 char *bufptr;
1c3d002b
MH
209 int buflen;
210
211 reply[0] = '\0';
212
213 /* Send command */
214 va_start(args, fmt);
215 retc = lps_send_va(serial, fmt, args);
216 va_end(args);
217
218 if (retc != SR_OK)
219 return SR_ERR;
220
221 /* Read reply */
222 buf[0] = '\0';
223 bufptr = buf;
224 buflen = sizeof(buf);
225 retc = lps_read_reply(serial, &bufptr, &buflen);
226 if ((retc == SR_OK) && (buflen > 0)) {
227 strcpy(reply, buf);
228 return SR_OK;
229 }
41b7bd01 230
1c3d002b
MH
231 return SR_ERR;
232}
41b7bd01 233
1c3d002b 234/** Process integer value returned by STATUS command. */
c442ffda 235SR_PRIV int lps_process_status(struct sr_dev_inst *sdi, int stat)
1c3d002b 236{
c442ffda 237 struct dev_context *devc;
1c3d002b
MH
238 int tracking_mode;
239
c50805d5 240 devc = sdi->priv;
1c3d002b
MH
241
242 sr_spew("Status: %d", stat);
243 devc->channel_status[0].cc_mode = (stat & 0x01) != 0;
244 sr_spew("Channel 1 %s mode", devc->channel_status[0].cc_mode?"CC":"CV");
245 if (devc->model->num_channels > 1) {
246 devc->channel_status[1].cc_mode = (stat & 0x02) != 0;
247 sr_spew("Channel 2 %s mode", devc->channel_status[1].cc_mode?"CC":"CV");
248
249 tracking_mode = (stat & 0x0c) >> 2;
250 switch (tracking_mode) {
251 case 0: devc->tracking_mode = 0;
252 break;
253 case 2: devc->tracking_mode = 1;
254 break;
255 case 3: devc->tracking_mode = 2;
256 break;
257 default:
258 sr_err("Illegal channel tracking mode %d!", tracking_mode);
259 devc->tracking_mode = 0;
260 break;
261 }
262
263 sr_spew("Channel tracking: %d", devc->tracking_mode);
264 }
265 devc->channel_status[0].output_enabled = devc->channel_status[1].output_enabled = stat&0x040?TRUE:FALSE;
266 sr_spew("Channel 1%s output: %s", devc->model->num_channels > 1?"+2":"", devc->channel_status[0].output_enabled?"ON":"OFF");
267 if (devc->model->num_channels > 2) {
268 devc->channel_status[2].output_enabled = stat&0x010?TRUE:FALSE;
269 devc->channel_status[2].output_voltage_last = stat&0x020?3.3:5;
270 sr_spew("Channel 3 output: %s, U=%02f V, overload=%d",
271 devc->channel_status[2].output_enabled?"ON":"OFF",
272 devc->channel_status[2].output_voltage_last,
273 stat&0x080?1:0);
274 }
275 sr_spew("Fan=%d, beep=%d, CC output compensated=%d", stat&0x0100?1:0, stat&0x0200?1:0, stat&0x0400?1:0);
41b7bd01
MH
276
277 return SR_OK;
278}
279
1c3d002b 280/** Send STATUS commend and process status string. */
c442ffda 281SR_PRIV int lps_query_status(struct sr_dev_inst *sdi)
41b7bd01 282{
1c3d002b 283 char buf[LINELEN_MAX];
8d522801 284 int stat, ret;
c442ffda 285 struct dev_context *devc;
41b7bd01 286
c50805d5 287 devc = sdi->priv;
41b7bd01 288
1c3d002b 289 devc->req_sent_at = g_get_real_time();
41b7bd01 290
8d522801
UH
291 if ((ret = lps_cmd_reply(buf, sdi->conn, "STATUS")) < 0) {
292 sr_err("%s: Failed to read status: %s.", __func__,
293 sr_strerror(ret));
1c3d002b
MH
294 return SR_ERR;
295 }
296
1f7da0c2 297 if (sr_atoi(buf, &stat) != SR_OK)
1c3d002b
MH
298 return SR_ERR;
299
300 return lps_process_status(sdi, stat);
41b7bd01
MH
301}
302
1c3d002b 303static gint64 calc_timeout_ms(gint64 start_us)
41b7bd01 304{
1c3d002b 305 gint64 result = REQ_TIMEOUT_MS - ((g_get_real_time() - start_us) / 1000);
41b7bd01 306
1c3d002b
MH
307 if (result < 0)
308 return 0;
41b7bd01 309
1c3d002b 310 return result;
41b7bd01
MH
311}
312
1c3d002b 313/** Read message into buf until "OK" received.
dff0a894
UH
314 * @retval SR_OK Msg received; buf and buflen contain result, if any except OK.
315 * @retval SR_ERR Error, including timeout.
1c3d002b
MH
316*/
317SR_PRIV int lps_read_reply(struct sr_serial_dev_inst *serial, char **buf, int *buflen)
41b7bd01 318{
1c3d002b
MH
319 int retries;
320 char buf2[LINELEN_MAX];
321 char *buf2ptr;
322 int buf2len;
323 gint64 timeout_start;
324
325 *buf[0] = '\0';
326
327 /* Read one line. It is either a data message or "OK". */
328 timeout_start = g_get_real_time();
329 buf2len = *buflen;
330 /* Up to 5 tries because serial_readline() will consume only one CR or LF per
331 * call, but device sends up to 4 in a row. */
332 for (retries = 0; retries < 5; retries++) {
333 *buflen = buf2len;
334 if (serial_readline(serial, buf, buflen, calc_timeout_ms(timeout_start)) != SR_OK)
335 return SR_ERR;
336 if (!strcmp(*buf, "OK")) { /* We got an OK! */
337 *buf[0] = '\0';
338 *buflen = 0;
339 return SR_OK;
340 }
341 if (*buflen > 0) /* We got a msg! */
342 break;
343 }
41b7bd01 344
1c3d002b
MH
345 /* A data msg is in buf (possibly ERROR), need to consume "OK". */
346 buf2[0] = '\0';
347 buf2ptr = buf2;
348 for (retries = 0; retries < 5; retries++) {
349 buf2len = sizeof(buf2);
350 if (serial_readline(serial, &buf2ptr, &buf2len, calc_timeout_ms(timeout_start)) != SR_OK)
351 return SR_ERR;
352
353 if (!strcmp(buf2ptr, "OK")) { /* We got an OK! */
354 if (!strcmp(*buf, "ERROR")) { /* OK came after msg ERROR! */
355 sr_spew("ERROR found!");
356 *buf[0] = '\0';
357 *buflen = 0;
358 return SR_ERR;
359 }
360 return SR_OK;
361 }
362 }
41b7bd01 363
1c3d002b
MH
364 return SR_ERR; /* Timeout! */
365}
366
367/** Scan for LPS-300 series device.
368 */
1f7da0c2 369static GSList *do_scan(lps_modelid modelid, struct sr_dev_driver *drv, GSList *options)
1c3d002b
MH
370{
371 struct sr_dev_inst *sdi;
372 struct drv_context *drvc;
373 struct dev_context *devc;
374 struct sr_serial_dev_inst *serial;
375 struct sr_channel *ch;
376 struct sr_channel_group *cg;
377 GSList *devices;
378 const char *conn, *serialcomm;
8d522801 379 int cnt, ret;
0af636be 380 gchar buf[LINELEN_MAX];
1c3d002b 381 gchar channel[10];
0af636be 382 char *verstr;
1c3d002b
MH
383
384 sdi = NULL;
385 devc = NULL;
386 conn = serialcomm = NULL;
387 devices = NULL;
388
338143ea 389 drvc = drv->context;
1c3d002b
MH
390 drvc->instances = NULL;
391
392 sr_spew("scan() called!");
393
394 /* Process and check options. */
395 if (sr_serial_extract_options(options, &conn, &serialcomm) != SR_OK)
396 return NULL;
397 if (!serialcomm)
398 serialcomm = SERIALCOMM;
399
400 /* Init serial port. */
91219afc 401 serial = sr_serial_dev_inst_new(conn, serialcomm);
1c3d002b 402
5b980134 403 if (serial_open(serial, SERIAL_RDWR) != SR_OK)
1c3d002b
MH
404 goto exit_err;
405
406 /* Query and verify model string. */
407 serial_flush(serial);
408 if (lps_cmd_reply(buf, serial, "MODEL") != SR_OK)
409 return NULL;
410
411 /* Check model string. */
412 if (strncmp(buf, "LPS-", 4)) {
413 sr_spew("Unknown model code \"%s\"!", buf);
414 return NULL;
415 }
416
417 /* Bug in device FW 1.17, model number is empty, so this can't work with this FW! */
418 if (modelid == LPS_UNKNOWN) {
419 g_strstrip(buf);
420 for (cnt = LPS_301; cnt <= LPS_305; cnt++) {
421 if (!strcmp(buf, models[cnt].modelstr)) {
422 modelid = cnt;
423 break;
424 }
425 }
426 if (modelid == LPS_UNKNOWN) {
427 sr_err("Unable to detect model from model string '%s'!", buf);
428 return NULL;
429 }
41b7bd01
MH
430 }
431
1c3d002b
MH
432 /* Query version */
433 verstr = NULL;
8d522801 434 if ((ret = lps_cmd_reply(buf, serial, "VERSION")) == SR_OK) {
1c3d002b
MH
435 if (strncmp(buf, "Ver-", 4)) {
436 sr_spew("Version string %s not recognized.", buf);
437 goto exit_err;
438 }
439
1c3d002b
MH
440 g_strstrip(buf);
441 verstr = buf + 4;
442 }
f3f19d11 443 else /* Bug in device FW 1.17: Querying version string fails while output is active.
1c3d002b 444 Therefore just print an error message, but do not exit with error. */
8d522801
UH
445 sr_err("Failed to query for hardware version: %s.",
446 sr_strerror(ret));
1c3d002b 447
aac29cc1 448 sdi = g_malloc0(sizeof(struct sr_dev_inst));
0af636be
UH
449 sdi->status = SR_ST_INACTIVE;
450 sdi->vendor = g_strdup(VENDOR_MOTECH);
451 sdi->model = g_strdup(models[modelid].modelstr);
452 sdi->version = g_strdup(verstr);
1c3d002b
MH
453 sdi->driver = drv;
454 sdi->inst_type = SR_INST_SERIAL;
455 sdi->conn = serial;
456
457 devc = g_malloc0(sizeof(struct dev_context));
8aafc5e6 458 sr_sw_limits_init(&devc->limits);
1c3d002b 459 devc->model = &models[modelid];
1c3d002b
MH
460
461 sdi->priv = devc;
462
463 /* Setup channels and channel groups. */
464 for (cnt = 0; cnt < models[modelid].num_channels; cnt++) {
465 snprintf(channel, sizeof(channel), "CH%d", cnt + 1);
5e23fcab 466 ch = sr_channel_new(sdi, cnt, SR_CHANNEL_ANALOG, TRUE, channel);
1c3d002b
MH
467
468 devc->channel_status[cnt].info = g_slist_append(NULL, ch);
469
470 cg = g_malloc(sizeof(struct sr_channel_group));
471 snprintf(channel, sizeof(channel), "CG%d", cnt+1);
472 cg->name = g_strdup(channel);
473 cg->priv = NULL;
474 cg->channels = g_slist_append(NULL, ch);
475
476 sdi->channel_groups = g_slist_append(sdi->channel_groups, cg);
477 }
478
479 drvc->instances = g_slist_append(drvc->instances, sdi);
480 devices = g_slist_append(devices, sdi);
481
482 /* Query status */
483 if (lps_query_status(sdi) != SR_OK)
484 goto exit_err;
485
486 serial_close(serial);
487 if (!devices)
488 sr_serial_dev_inst_free(serial);
489
490 return devices;
491
492exit_err:
493 sr_info("%s: Error!", __func__);
494
495 if (serial) {
496 serial_close(serial);
497 sr_serial_dev_inst_free(serial);
498 }
b1f83103 499 g_free(devc);
1c3d002b
MH
500 if (sdi)
501 sr_dev_inst_free(sdi);
502
503 return NULL;
41b7bd01
MH
504}
505
1c3d002b 506/** Scan for LPS-301 device. */
4f840ce9 507static GSList *scan_lps301(struct sr_dev_driver *di, GSList *options)
1c3d002b 508{
4f840ce9 509 return do_scan(LPS_301, di, options);
1c3d002b
MH
510}
511
c442ffda 512static void dev_clear_private(struct dev_context *devc)
1c3d002b
MH
513{
514 int ch_idx;
515
516 /* Free channel_status.info (list only, data owned by sdi). */
517 for (ch_idx = 0; ch_idx < devc->model->num_channels; ch_idx++)
518 g_slist_free(devc->channel_status[ch_idx].info);
1c3d002b
MH
519}
520
4f840ce9 521static int dev_clear_lps301(const struct sr_dev_driver *di)
1c3d002b 522{
4f840ce9 523 return std_dev_clear(di, (std_dev_clear_callback)dev_clear_private);
1c3d002b
MH
524}
525
584560f1 526static int config_get(uint32_t key, GVariant **data, const struct sr_dev_inst *sdi,
41b7bd01
MH
527 const struct sr_channel_group *cg)
528{
1c3d002b
MH
529 struct dev_context *devc;
530 struct sr_channel *ch;
531 int ch_idx;
532
533 if (!sdi)
534 return SR_ERR_ARG;
535
536 devc = sdi->priv;
537
538 if (!cg) {
539 /* No channel group: global options. */
540 switch (key) {
541 case SR_CONF_LIMIT_SAMPLES:
1c3d002b 542 case SR_CONF_LIMIT_MSEC:
8aafc5e6 543 return sr_sw_limits_config_get(&devc->limits, key, data);
7a0b98b5 544 case SR_CONF_CHANNEL_CONFIG:
1c3d002b
MH
545 *data = g_variant_new_string(channel_modes[devc->tracking_mode]);
546 break;
547 default:
548 return SR_ERR_NA;
549 }
550 } else {
551 /* We only ever have one channel per channel group in this driver. */
552 ch = cg->channels->data;
553 ch_idx = ch->index;
554 switch (key) {
7a0b98b5 555 case SR_CONF_VOLTAGE:
1c3d002b
MH
556 *data = g_variant_new_double(devc->channel_status[ch_idx].output_voltage_last);
557 break;
7a0b98b5 558 case SR_CONF_VOLTAGE_TARGET:
1c3d002b
MH
559 *data = g_variant_new_double(devc->channel_status[ch_idx].output_voltage_max);
560 break;
7a0b98b5 561 case SR_CONF_CURRENT:
1c3d002b
MH
562 *data = g_variant_new_double(devc->channel_status[ch_idx].output_current_last);
563 break;
7a0b98b5 564 case SR_CONF_CURRENT_LIMIT:
1c3d002b
MH
565 *data = g_variant_new_double(devc->channel_status[ch_idx].output_current_max);
566 break;
7a0b98b5 567 case SR_CONF_ENABLED:
1c3d002b
MH
568 *data = g_variant_new_boolean(devc->channel_status[ch_idx].output_enabled);
569 break;
570 default:
571 return SR_ERR_NA;
572 }
573 }
41b7bd01 574
1c3d002b
MH
575 return SR_OK;
576}
577
584560f1 578static int config_set(uint32_t key, GVariant *data, const struct sr_dev_inst *sdi,
1c3d002b
MH
579 const struct sr_channel_group *cg)
580{
581 struct dev_context *devc;
582 struct sr_channel *ch;
583 gdouble dval;
584 int ch_idx;
585 const char *sval;
586 gboolean bval;
587 int idx;
588 gboolean found;
41b7bd01
MH
589
590 if (sdi->status != SR_ST_ACTIVE)
591 return SR_ERR_DEV_CLOSED;
592
1c3d002b
MH
593 devc = sdi->priv;
594
419bfb50 595 /* Cannot change settings while acquisition active, would cause a mess with commands.
1c3d002b
MH
596 * Changing this would be possible, but tricky. */
597 if (devc->acq_running)
598 return SR_ERR_NA;
599
600 if (!cg) {
601 /* No channel group: global options. */
602 switch (key) {
603 case SR_CONF_LIMIT_MSEC:
1c3d002b 604 case SR_CONF_LIMIT_SAMPLES:
8aafc5e6 605 return sr_sw_limits_config_set(&devc->limits, key, data);
7a0b98b5 606 case SR_CONF_CHANNEL_CONFIG:
1c3d002b
MH
607 sval = g_variant_get_string(data, NULL);
608 found = FALSE;
dcd438ee 609 for (idx = 0; idx < (int)ARRAY_SIZE(channel_modes); idx++) {
1c3d002b
MH
610 if (!strcmp(sval, channel_modes[idx])) {
611 found = TRUE;
612 if (devc->tracking_mode == idx)
613 break; /* Nothing to do! */
614 devc->tracking_mode = idx;
615 if (devc->model->modelid >= LPS_304) /* No use to set anything in the smaller models. */
616 return lps_cmd_ok(sdi->conn, "TRACK%1d", devc->tracking_mode);
617 }
618 if (devc->model->modelid <= LPS_303) /* Only first setting possible for smaller models. */
619 break;
620 }
dcd438ee 621 if (!found)
1c3d002b 622 return SR_ERR_ARG;
1c3d002b
MH
623 break;
624 default:
625 return SR_ERR_NA;
626 }
627 } else {
628 /* Channel group specified: per-channel options. */
629 /* We only ever have one channel per channel group in this driver. */
630 ch = cg->channels->data;
631 ch_idx = ch->index;
632
633 switch (key) {
7a0b98b5 634 case SR_CONF_VOLTAGE_TARGET:
1c3d002b
MH
635 dval = g_variant_get_double(data);
636 if (dval < 0 || dval > devc->model->channels[ch_idx].voltage[1])
637 return SR_ERR_ARG;
638 if (ch_idx == 2) {
639 if (devc->model->modelid < LPS_304)
640 return SR_ERR_ARG;
641
642 if (fabs(dval - 5.000) <= 0.001)
643 dval = 5.0;
644 else if ((devc->model->modelid >= LPS_305) && (fabs(dval - 3.300) <= 0.001))
645 dval = 3.3;
646 else return SR_ERR_ARG;
647 }
648
649 devc->channel_status[ch_idx].output_voltage_max = dval;
650 if (ch_idx == 2)
651 return lps_cmd_ok(sdi->conn, "VDD%1.0f", trunc(dval));
652 else
653 return lps_cmd_ok(sdi->conn, "VSET%d %05.3f", ch_idx+1, dval);
654 break;
7a0b98b5 655 case SR_CONF_CURRENT_LIMIT:
1c3d002b
MH
656 dval = g_variant_get_double(data);
657 if (dval < 0 || dval > devc->model->channels[ch_idx].current[1])
658 return SR_ERR_ARG;
659 if (ch_idx == 2) /* No current setting for CH3. */
660 return SR_ERR_NA;
661 devc->channel_status[ch_idx].output_current_max = dval;
662 return lps_cmd_ok(sdi->conn, "ISET%d %05.4f", ch_idx+1, dval);
663 break;
7a0b98b5 664 case SR_CONF_ENABLED:
1c3d002b
MH
665 bval = g_variant_get_boolean(data);
666 if (bval == devc->channel_status[ch_idx].output_enabled) /* Nothing to do. */
667 break;
668 devc->channel_status[ch_idx].output_enabled = bval;
669 if (ch_idx != 2) { /* Channels 1,2 can be set only together. */
670 devc->channel_status[ch_idx^1].output_enabled = bval;
671 return lps_cmd_ok(sdi->conn, "OUT%1d", (int)bval);
672 } else { /* Channel 3: No command to disable output, set voltage to 0 instead. */
673 if (bval)
674 return lps_cmd_ok(sdi->conn, "VDD%1.0f", devc->channel_status[ch_idx].output_voltage_max);
675 else
676 return lps_cmd_ok(sdi->conn, "VDD0");
677 }
678 break;
679 default:
680 return SR_ERR_NA;
681 }
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MH
682 }
683
1c3d002b 684 return SR_OK;
41b7bd01
MH
685}
686
584560f1 687static int config_list(uint32_t key, GVariant **data, const struct sr_dev_inst *sdi,
41b7bd01
MH
688 const struct sr_channel_group *cg)
689{
1c3d002b
MH
690 struct dev_context *devc;
691 struct sr_channel *ch;
692 int ch_idx, i;
693 GVariant *gvar;
694 GVariantBuilder gvb;
41b7bd01 695
1c3d002b 696 /* Driver options, no device instance necessary. */
41b7bd01 697 switch (key) {
1c3d002b 698 case SR_CONF_SCAN_OPTIONS:
584560f1 699 *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32,
dcd438ee 700 scanopts, ARRAY_SIZE(scanopts), sizeof(uint32_t));
1c3d002b 701 return SR_OK;
413f1944 702 case SR_CONF_DEVICE_OPTIONS:
4d399734 703 if (sdi)
413f1944
AJ
704 break;
705 *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32,
dcd438ee 706 drvopts, ARRAY_SIZE(drvopts), sizeof(uint32_t));
413f1944 707 return SR_OK;
1c3d002b 708 default:
dcd438ee 709 if (!sdi)
1c3d002b 710 return SR_ERR_ARG;
1c3d002b 711 devc = sdi->priv;
dcd438ee 712 break;
1c3d002b
MH
713 }
714
584560f1 715 /* Device options, independent from channel groups. */
0c5f2abc 716 if (!cg) {
1c3d002b
MH
717 switch (key) {
718 case SR_CONF_DEVICE_OPTIONS:
584560f1 719 *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32,
f254bc4b 720 devopts, ARRAY_SIZE(devopts), sizeof(uint32_t));
1c3d002b 721 return SR_OK;
7a0b98b5 722 case SR_CONF_CHANNEL_CONFIG:
1c3d002b
MH
723 if (devc->model->modelid <= LPS_303) {
724 /* The 1-channel models. */
725 *data = g_variant_new_strv(channel_modes, 1);
726 } else {
727 /* The other models support all modes. */
728 *data = g_variant_new_strv(channel_modes, ARRAY_SIZE(channel_modes));
729 }
730 return SR_OK;
1c3d002b
MH
731 default:
732 return SR_ERR_NA;
733 }
734 }
735
736 /* Device options, depending on channel groups. */
737 ch = cg->channels->data;
738 ch_idx = ch->index;
739 switch (key) {
740 case SR_CONF_DEVICE_OPTIONS:
741 if ((ch_idx == 0) || (ch_idx == 1)) /* CH1, CH2 */
584560f1 742 *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32,
f254bc4b 743 devopts_ch12, ARRAY_SIZE(devopts_ch12), sizeof(uint32_t));
1c3d002b 744 else /* Must be CH3 */
584560f1 745 *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32,
f254bc4b 746 devopts_ch3, ARRAY_SIZE(devopts_ch3), sizeof(uint32_t));
1c3d002b 747 break;
7a0b98b5 748 case SR_CONF_VOLTAGE_TARGET:
1c3d002b
MH
749 g_variant_builder_init(&gvb, G_VARIANT_TYPE_ARRAY);
750 /* Min, max, step. */
751 for (i = 0; i < 3; i++) {
752 gvar = g_variant_new_double(devc->model->channels[ch_idx].voltage[i]);
753 g_variant_builder_add_value(&gvb, gvar);
754 }
755 *data = g_variant_builder_end(&gvb);
756 break;
7a0b98b5 757 case SR_CONF_CURRENT_LIMIT:
1c3d002b
MH
758 g_variant_builder_init(&gvb, G_VARIANT_TYPE_ARRAY);
759 /* Min, max, step. */
760 for (i = 0; i < 3; i++) {
761 gvar = g_variant_new_double(devc->model->channels[ch_idx].current[i]);
762 g_variant_builder_add_value(&gvb, gvar);
763 }
764 *data = g_variant_builder_end(&gvb);
765 break;
41b7bd01
MH
766 default:
767 return SR_ERR_NA;
768 }
769
1c3d002b 770 return SR_OK;
41b7bd01
MH
771}
772
695dc859 773static int dev_acquisition_start(const struct sr_dev_inst *sdi)
41b7bd01 774{
1c3d002b
MH
775 struct dev_context *devc;
776 struct sr_serial_dev_inst *serial;
41b7bd01
MH
777
778 if (sdi->status != SR_ST_ACTIVE)
779 return SR_ERR_DEV_CLOSED;
780
1c3d002b
MH
781 devc = sdi->priv;
782
783 devc->acq_running = TRUE;
784
785 serial = sdi->conn;
102f1239
BV
786 serial_source_add(sdi->session, serial, G_IO_IN, 50,
787 motech_lps_30x_receive_data, (void *)sdi);
695dc859 788 std_session_send_df_header(sdi, LOG_PREFIX);
1c3d002b 789
8aafc5e6 790 sr_sw_limits_acquisition_start(&devc->limits);
1c3d002b
MH
791
792 devc->acq_req = AQ_NONE;
793 /* Do not start polling device here, the read function will do it in 50 ms. */
41b7bd01
MH
794
795 return SR_OK;
796}
797
695dc859 798static int dev_acquisition_stop(struct sr_dev_inst *sdi)
41b7bd01 799{
6525d819 800 return std_serial_dev_acquisition_stop(sdi, std_serial_dev_close,
1c3d002b 801 sdi->conn, LOG_PREFIX);
41b7bd01
MH
802}
803
804SR_PRIV struct sr_dev_driver motech_lps_301_driver_info = {
805 .name = "motech-lps-301",
806 .longname = "Motech LPS-301",
807 .api_version = 1,
c2fdcc25 808 .init = std_init,
700d6b64 809 .cleanup = std_cleanup,
1c3d002b 810 .scan = scan_lps301,
c01bf34c 811 .dev_list = std_dev_list,
1c3d002b 812 .dev_clear = dev_clear_lps301,
41b7bd01
MH
813 .config_get = config_get,
814 .config_set = config_set,
815 .config_list = config_list,
1c3d002b
MH
816 .dev_open = std_serial_dev_open,
817 .dev_close = std_serial_dev_close,
41b7bd01
MH
818 .dev_acquisition_start = dev_acquisition_start,
819 .dev_acquisition_stop = dev_acquisition_stop,
41812aca 820 .context = NULL,
41b7bd01 821};