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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 | ||
26 | #include <ctype.h> | |
27 | #include <errno.h> | |
28 | #include <math.h> | |
29 | #include <string.h> | |
30 | ||
41b7bd01 MH |
31 | #include "protocol.h" |
32 | ||
1c3d002b | 33 | /* Forward declarations */ |
41b7bd01 | 34 | SR_PRIV struct sr_dev_driver motech_lps_301_driver_info; |
1c3d002b MH |
35 | SR_PRIV int lps_read_reply(struct sr_serial_dev_inst *serial, char **buf, int *buflen); |
36 | SR_PRIV int lps_send_va(struct sr_serial_dev_inst *serial, const char* fmt, va_list args); | |
37 | SR_PRIV int lps_cmd_ok(struct sr_serial_dev_inst *serial, const char* fmt, ...); | |
38 | SR_PRIV int lps_cmd_reply(char* reply, struct sr_serial_dev_inst *serial, const char* fmt, ...); | |
39 | SR_PRIV int lps_query_status(struct sr_dev_inst* sdi); | |
40 | ||
41 | /* Serial communication parameters */ | |
42 | #define SERIALCOMM "2400/8n1/dtr=1/rts=1/flow=0" | |
43 | ||
44 | #define VENDOR_MOTECH "Motech" | |
45 | ||
413f1944 AJ |
46 | /** Driver capabilities generic. */ |
47 | static const uint32_t drvopts[] = { | |
48 | /* Device class */ | |
49 | SR_CONF_POWER_SUPPLY, | |
50 | }; | |
51 | ||
1c3d002b | 52 | /** Driver scanning options. */ |
a0e0bb41 | 53 | static const uint32_t scanopts[] = { |
1c3d002b MH |
54 | SR_CONF_CONN, |
55 | SR_CONF_SERIALCOMM, | |
56 | }; | |
57 | ||
58 | /** Hardware capabilities generic. */ | |
f254bc4b | 59 | static const uint32_t devopts[] = { |
1c3d002b MH |
60 | /* Device class */ |
61 | SR_CONF_POWER_SUPPLY, | |
62 | /* Aquisition modes. */ | |
1c3d002b | 63 | SR_CONF_CONTINUOUS, |
5827f61b BV |
64 | SR_CONF_LIMIT_SAMPLES | SR_CONF_GET | SR_CONF_SET, |
65 | SR_CONF_LIMIT_MSEC | SR_CONF_GET | SR_CONF_SET, | |
1c3d002b | 66 | /* Device configuration */ |
5827f61b | 67 | SR_CONF_OUTPUT_CHANNEL_CONFIG | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST, |
1c3d002b MH |
68 | }; |
69 | ||
70 | /** Hardware capabilities channel 1, 2. */ | |
f254bc4b | 71 | static const uint32_t devopts_ch12[] = { |
5827f61b | 72 | SR_CONF_OUTPUT_VOLTAGE | SR_CONF_GET, |
ca95e90f | 73 | SR_CONF_OUTPUT_VOLTAGE_TARGET | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST, |
5827f61b | 74 | SR_CONF_OUTPUT_CURRENT | SR_CONF_GET, |
ca95e90f | 75 | SR_CONF_OUTPUT_CURRENT_LIMIT | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST, |
5827f61b | 76 | SR_CONF_OUTPUT_ENABLED | SR_CONF_GET | SR_CONF_SET, |
1c3d002b MH |
77 | }; |
78 | ||
79 | /** Hardware capabilities channel 3. (LPS-304/305 only). */ | |
f254bc4b | 80 | static const uint32_t devopts_ch3[] = { |
5827f61b BV |
81 | SR_CONF_OUTPUT_VOLTAGE | SR_CONF_GET, |
82 | SR_CONF_OUTPUT_ENABLED | SR_CONF_GET | SR_CONF_SET, | |
1c3d002b MH |
83 | }; |
84 | ||
85 | static const char *channel_modes[] = { | |
86 | "Independent", | |
87 | "Track1", | |
88 | "Track2", | |
89 | }; | |
90 | ||
91 | static struct lps_modelspec models[] = { | |
92 | { LPS_UNKNOWN, "Dummy", 0, | |
93 | { | |
94 | ||
95 | } | |
96 | }, | |
97 | { LPS_301, "LPS-301", 1, | |
98 | { | |
99 | /* Channel 1 */ | |
100 | { { 0, 32, 0.01 }, { 0.005, 2, 0.001 } }, | |
101 | }, | |
102 | }, | |
103 | { LPS_302, "LPS-302", 1, | |
104 | { | |
105 | /* Channel 1 */ | |
106 | { { 0, 32, 0.01 }, { 0.005, 3, 0.001 } }, | |
107 | }, | |
108 | }, | |
109 | { LPS_303, "LPS-303", 1, | |
110 | { | |
111 | /* Channel 1 */ | |
112 | { { 0, 32, 0.01 }, { 0.005, 3, 0.001 } }, | |
113 | }, | |
114 | }, | |
115 | { LPS_304, "LPS-304", 3, | |
116 | { | |
117 | /* Channel 1 */ | |
118 | { { 0, 32, 0.01 }, { 0.005, 3, 0.001 } }, | |
119 | /* Channel 2 */ | |
120 | { { 0, 32, 0.01 }, { 0.005, 3, 0.001 } }, | |
121 | /* Channel 3 */ | |
122 | { { 5, 5, 0.0 }, { 0.005, 3, 0.001 } }, | |
123 | }, | |
124 | }, | |
125 | { LPS_305, "LPS-305", 3, | |
126 | { | |
127 | /* Channel 1 */ | |
128 | { { 0, 32, 0.01 }, { 0.005, 3, 0.001 } }, | |
129 | /* Channel 2 */ | |
130 | { { 0, 32, 0.01 }, { 0.005, 3, 0.001 } }, | |
131 | /* Channel 3 */ | |
132 | { { 3.3, 5, 1.7 }, { 0.005, 3, 0.001 } }, | |
133 | }, | |
134 | }, | |
135 | }; | |
41b7bd01 | 136 | |
1c3d002b | 137 | static int init_lps301(struct sr_context *sr_ctx) |
41b7bd01 | 138 | { |
1c3d002b | 139 | return std_init(sr_ctx, &motech_lps_301_driver_info, LOG_PREFIX); |
41b7bd01 MH |
140 | } |
141 | ||
1c3d002b MH |
142 | /** Send command to device with va_list. |
143 | */ | |
144 | SR_PRIV int lps_send_va(struct sr_serial_dev_inst *serial, const char* fmt, va_list args) | |
41b7bd01 | 145 | { |
1c3d002b MH |
146 | int retc; |
147 | char auxfmt[LINELEN_MAX]; | |
148 | char buf[LINELEN_MAX]; | |
41b7bd01 | 149 | |
1c3d002b MH |
150 | snprintf(auxfmt, sizeof(auxfmt), "%s\r\n", fmt); |
151 | vsnprintf(buf, sizeof(buf), auxfmt, args); | |
41b7bd01 | 152 | |
1c3d002b | 153 | sr_spew("lps_send_va: \"%s\"", buf); |
41b7bd01 | 154 | |
eead2782 | 155 | retc = serial_write_blocking(serial, buf, strlen(buf), 0); |
41b7bd01 | 156 | |
1c3d002b MH |
157 | if (retc < 0) |
158 | return SR_ERR; | |
159 | ||
160 | return SR_OK; | |
41b7bd01 MH |
161 | } |
162 | ||
1c3d002b MH |
163 | /** Send command to device. |
164 | */ | |
165 | SR_PRIV int lps_send_req(struct sr_serial_dev_inst *serial, const char* fmt, ...) | |
41b7bd01 | 166 | { |
1c3d002b MH |
167 | int retc; |
168 | va_list args; | |
169 | ||
170 | va_start(args, fmt); | |
171 | retc = lps_send_va(serial, fmt, args); | |
172 | va_end(args); | |
173 | ||
174 | return retc; | |
41b7bd01 MH |
175 | } |
176 | ||
1c3d002b MH |
177 | /** Send command and consume simple OK reply. */ |
178 | SR_PRIV int lps_cmd_ok(struct sr_serial_dev_inst *serial, const char* fmt, ...) | |
41b7bd01 | 179 | { |
1c3d002b MH |
180 | int retc; |
181 | va_list args; | |
182 | char buf[LINELEN_MAX]; | |
183 | char* bufptr; | |
184 | int buflen; | |
185 | ||
186 | /* Send command */ | |
187 | va_start(args, fmt); | |
188 | retc = lps_send_va(serial, fmt, args); | |
189 | va_end(args); | |
190 | ||
191 | if (retc != SR_OK) | |
192 | return SR_ERR; | |
193 | ||
194 | /* Read reply */ | |
195 | buf[0] = '\0'; | |
196 | bufptr = buf; | |
197 | buflen = sizeof(buf); | |
198 | retc = lps_read_reply(serial, &bufptr, &buflen); | |
199 | if ((retc == SR_OK) && (buflen == 0)) | |
200 | return SR_OK; | |
201 | ||
202 | return SR_ERR; | |
41b7bd01 MH |
203 | } |
204 | ||
1c3d002b MH |
205 | /** Send command and read reply string. |
206 | * \param reply Pointer to buffer of size LINELEN_MAX. Will be NUL-terminated. | |
207 | */ | |
208 | SR_PRIV int lps_cmd_reply(char* reply, struct sr_serial_dev_inst *serial, const char* fmt, ...) | |
41b7bd01 | 209 | { |
1c3d002b MH |
210 | int retc; |
211 | va_list args; | |
212 | char buf[LINELEN_MAX]; | |
213 | char* bufptr; | |
214 | int buflen; | |
215 | ||
216 | reply[0] = '\0'; | |
217 | ||
218 | /* Send command */ | |
219 | va_start(args, fmt); | |
220 | retc = lps_send_va(serial, fmt, args); | |
221 | va_end(args); | |
222 | ||
223 | if (retc != SR_OK) | |
224 | return SR_ERR; | |
225 | ||
226 | /* Read reply */ | |
227 | buf[0] = '\0'; | |
228 | bufptr = buf; | |
229 | buflen = sizeof(buf); | |
230 | retc = lps_read_reply(serial, &bufptr, &buflen); | |
231 | if ((retc == SR_OK) && (buflen > 0)) { | |
232 | strcpy(reply, buf); | |
233 | return SR_OK; | |
234 | } | |
41b7bd01 | 235 | |
1c3d002b MH |
236 | return SR_ERR; |
237 | } | |
41b7bd01 | 238 | |
1c3d002b MH |
239 | /** Process integer value returned by STATUS command. */ |
240 | SR_PRIV int lps_process_status(struct sr_dev_inst* sdi, int stat) | |
241 | { | |
242 | struct dev_context* devc; | |
243 | int tracking_mode; | |
244 | ||
245 | devc = (struct dev_context*)sdi->priv; | |
246 | ||
247 | sr_spew("Status: %d", stat); | |
248 | devc->channel_status[0].cc_mode = (stat & 0x01) != 0; | |
249 | sr_spew("Channel 1 %s mode", devc->channel_status[0].cc_mode?"CC":"CV"); | |
250 | if (devc->model->num_channels > 1) { | |
251 | devc->channel_status[1].cc_mode = (stat & 0x02) != 0; | |
252 | sr_spew("Channel 2 %s mode", devc->channel_status[1].cc_mode?"CC":"CV"); | |
253 | ||
254 | tracking_mode = (stat & 0x0c) >> 2; | |
255 | switch (tracking_mode) { | |
256 | case 0: devc->tracking_mode = 0; | |
257 | break; | |
258 | case 2: devc->tracking_mode = 1; | |
259 | break; | |
260 | case 3: devc->tracking_mode = 2; | |
261 | break; | |
262 | default: | |
263 | sr_err("Illegal channel tracking mode %d!", tracking_mode); | |
264 | devc->tracking_mode = 0; | |
265 | break; | |
266 | } | |
267 | ||
268 | sr_spew("Channel tracking: %d", devc->tracking_mode); | |
269 | } | |
270 | devc->channel_status[0].output_enabled = devc->channel_status[1].output_enabled = stat&0x040?TRUE:FALSE; | |
271 | sr_spew("Channel 1%s output: %s", devc->model->num_channels > 1?"+2":"", devc->channel_status[0].output_enabled?"ON":"OFF"); | |
272 | if (devc->model->num_channels > 2) { | |
273 | devc->channel_status[2].output_enabled = stat&0x010?TRUE:FALSE; | |
274 | devc->channel_status[2].output_voltage_last = stat&0x020?3.3:5; | |
275 | sr_spew("Channel 3 output: %s, U=%02f V, overload=%d", | |
276 | devc->channel_status[2].output_enabled?"ON":"OFF", | |
277 | devc->channel_status[2].output_voltage_last, | |
278 | stat&0x080?1:0); | |
279 | } | |
280 | sr_spew("Fan=%d, beep=%d, CC output compensated=%d", stat&0x0100?1:0, stat&0x0200?1:0, stat&0x0400?1:0); | |
41b7bd01 MH |
281 | |
282 | return SR_OK; | |
283 | } | |
284 | ||
1c3d002b MH |
285 | /** Send STATUS commend and process status string. */ |
286 | SR_PRIV int lps_query_status(struct sr_dev_inst* sdi) | |
41b7bd01 | 287 | { |
1c3d002b MH |
288 | char buf[LINELEN_MAX]; |
289 | int stat; | |
1c3d002b | 290 | struct dev_context* devc; |
41b7bd01 | 291 | |
1c3d002b | 292 | devc = (struct dev_context*)sdi->priv; |
41b7bd01 | 293 | |
1c3d002b | 294 | devc->req_sent_at = g_get_real_time(); |
41b7bd01 | 295 | |
1c3d002b MH |
296 | if (lps_cmd_reply(buf, sdi->conn, "STATUS") < 0) { |
297 | sr_err("%s: Failed to read status: %d %s", __func__, errno, strerror(errno)); | |
298 | return SR_ERR; | |
299 | } | |
300 | ||
1f7da0c2 | 301 | if (sr_atoi(buf, &stat) != SR_OK) |
1c3d002b MH |
302 | return SR_ERR; |
303 | ||
304 | return lps_process_status(sdi, stat); | |
41b7bd01 MH |
305 | } |
306 | ||
1c3d002b | 307 | static gint64 calc_timeout_ms(gint64 start_us) |
41b7bd01 | 308 | { |
1c3d002b | 309 | gint64 result = REQ_TIMEOUT_MS - ((g_get_real_time() - start_us) / 1000); |
41b7bd01 | 310 | |
1c3d002b MH |
311 | if (result < 0) |
312 | return 0; | |
41b7bd01 | 313 | |
1c3d002b | 314 | return result; |
41b7bd01 MH |
315 | } |
316 | ||
1c3d002b MH |
317 | /** Read message into buf until "OK" received. |
318 | * \retval SR_OK Msg received; buf and buflen contain result, if any except OK. | |
319 | * \retval SR_ERR Error, including timeout. | |
320 | */ | |
321 | SR_PRIV int lps_read_reply(struct sr_serial_dev_inst *serial, char **buf, int *buflen) | |
41b7bd01 | 322 | { |
1c3d002b MH |
323 | int retries; |
324 | char buf2[LINELEN_MAX]; | |
325 | char *buf2ptr; | |
326 | int buf2len; | |
327 | gint64 timeout_start; | |
328 | ||
329 | *buf[0] = '\0'; | |
330 | ||
331 | /* Read one line. It is either a data message or "OK". */ | |
332 | timeout_start = g_get_real_time(); | |
333 | buf2len = *buflen; | |
334 | /* Up to 5 tries because serial_readline() will consume only one CR or LF per | |
335 | * call, but device sends up to 4 in a row. */ | |
336 | for (retries = 0; retries < 5; retries++) { | |
337 | *buflen = buf2len; | |
338 | if (serial_readline(serial, buf, buflen, calc_timeout_ms(timeout_start)) != SR_OK) | |
339 | return SR_ERR; | |
340 | if (!strcmp(*buf, "OK")) { /* We got an OK! */ | |
341 | *buf[0] = '\0'; | |
342 | *buflen = 0; | |
343 | return SR_OK; | |
344 | } | |
345 | if (*buflen > 0) /* We got a msg! */ | |
346 | break; | |
347 | } | |
41b7bd01 | 348 | |
1c3d002b MH |
349 | /* A data msg is in buf (possibly ERROR), need to consume "OK". */ |
350 | buf2[0] = '\0'; | |
351 | buf2ptr = buf2; | |
352 | for (retries = 0; retries < 5; retries++) { | |
353 | buf2len = sizeof(buf2); | |
354 | if (serial_readline(serial, &buf2ptr, &buf2len, calc_timeout_ms(timeout_start)) != SR_OK) | |
355 | return SR_ERR; | |
356 | ||
357 | if (!strcmp(buf2ptr, "OK")) { /* We got an OK! */ | |
358 | if (!strcmp(*buf, "ERROR")) { /* OK came after msg ERROR! */ | |
359 | sr_spew("ERROR found!"); | |
360 | *buf[0] = '\0'; | |
361 | *buflen = 0; | |
362 | return SR_ERR; | |
363 | } | |
364 | return SR_OK; | |
365 | } | |
366 | } | |
41b7bd01 | 367 | |
1c3d002b MH |
368 | return SR_ERR; /* Timeout! */ |
369 | } | |
370 | ||
371 | /** Scan for LPS-300 series device. | |
372 | */ | |
1f7da0c2 | 373 | static GSList *do_scan(lps_modelid modelid, struct sr_dev_driver *drv, GSList *options) |
1c3d002b MH |
374 | { |
375 | struct sr_dev_inst *sdi; | |
376 | struct drv_context *drvc; | |
377 | struct dev_context *devc; | |
378 | struct sr_serial_dev_inst *serial; | |
379 | struct sr_channel *ch; | |
380 | struct sr_channel_group *cg; | |
381 | GSList *devices; | |
382 | const char *conn, *serialcomm; | |
383 | int cnt; | |
0af636be | 384 | gchar buf[LINELEN_MAX]; |
1c3d002b | 385 | gchar channel[10]; |
0af636be | 386 | char *verstr; |
1c3d002b MH |
387 | |
388 | sdi = NULL; | |
389 | devc = NULL; | |
390 | conn = serialcomm = NULL; | |
391 | devices = NULL; | |
392 | ||
393 | drvc = drv->priv; | |
394 | drvc->instances = NULL; | |
395 | ||
396 | sr_spew("scan() called!"); | |
397 | ||
398 | /* Process and check options. */ | |
399 | if (sr_serial_extract_options(options, &conn, &serialcomm) != SR_OK) | |
400 | return NULL; | |
401 | if (!serialcomm) | |
402 | serialcomm = SERIALCOMM; | |
403 | ||
404 | /* Init serial port. */ | |
91219afc | 405 | serial = sr_serial_dev_inst_new(conn, serialcomm); |
1c3d002b | 406 | |
5b980134 | 407 | if (serial_open(serial, SERIAL_RDWR) != SR_OK) |
1c3d002b MH |
408 | goto exit_err; |
409 | ||
410 | /* Query and verify model string. */ | |
411 | serial_flush(serial); | |
412 | if (lps_cmd_reply(buf, serial, "MODEL") != SR_OK) | |
413 | return NULL; | |
414 | ||
415 | /* Check model string. */ | |
416 | if (strncmp(buf, "LPS-", 4)) { | |
417 | sr_spew("Unknown model code \"%s\"!", buf); | |
418 | return NULL; | |
419 | } | |
420 | ||
421 | /* Bug in device FW 1.17, model number is empty, so this can't work with this FW! */ | |
422 | if (modelid == LPS_UNKNOWN) { | |
423 | g_strstrip(buf); | |
424 | for (cnt = LPS_301; cnt <= LPS_305; cnt++) { | |
425 | if (!strcmp(buf, models[cnt].modelstr)) { | |
426 | modelid = cnt; | |
427 | break; | |
428 | } | |
429 | } | |
430 | if (modelid == LPS_UNKNOWN) { | |
431 | sr_err("Unable to detect model from model string '%s'!", buf); | |
432 | return NULL; | |
433 | } | |
41b7bd01 MH |
434 | } |
435 | ||
1c3d002b MH |
436 | /* Query version */ |
437 | verstr = NULL; | |
438 | if (lps_cmd_reply(buf, serial, "VERSION") == SR_OK) { | |
439 | if (strncmp(buf, "Ver-", 4)) { | |
440 | sr_spew("Version string %s not recognized.", buf); | |
441 | goto exit_err; | |
442 | } | |
443 | ||
444 | ||
445 | g_strstrip(buf); | |
446 | verstr = buf + 4; | |
447 | } | |
448 | else /* Bug in device FW 1.17: Quering version string fails while output is active. | |
449 | Therefore just print an error message, but do not exit with error. */ | |
450 | sr_err("Failed to query for hardware version: %d %s", errno, strerror(errno)); | |
451 | ||
aac29cc1 | 452 | sdi = g_malloc0(sizeof(struct sr_dev_inst)); |
0af636be UH |
453 | sdi->status = SR_ST_INACTIVE; |
454 | sdi->vendor = g_strdup(VENDOR_MOTECH); | |
455 | sdi->model = g_strdup(models[modelid].modelstr); | |
456 | sdi->version = g_strdup(verstr); | |
1c3d002b MH |
457 | sdi->driver = drv; |
458 | sdi->inst_type = SR_INST_SERIAL; | |
459 | sdi->conn = serial; | |
460 | ||
461 | devc = g_malloc0(sizeof(struct dev_context)); | |
462 | devc->model = &models[modelid]; | |
463 | devc->limit_samples = 0; | |
464 | devc->limit_msec = 0; | |
465 | devc->num_samples = 0; | |
466 | devc->elapsed_msec = g_timer_new(); | |
467 | ||
468 | sdi->priv = devc; | |
469 | ||
470 | /* Setup channels and channel groups. */ | |
471 | for (cnt = 0; cnt < models[modelid].num_channels; cnt++) { | |
472 | snprintf(channel, sizeof(channel), "CH%d", cnt + 1); | |
473 | ch = sr_channel_new(cnt, SR_CHANNEL_ANALOG, TRUE, channel); | |
474 | sdi->channels = g_slist_append(sdi->channels, ch); | |
475 | ||
476 | devc->channel_status[cnt].info = g_slist_append(NULL, ch); | |
477 | ||
478 | cg = g_malloc(sizeof(struct sr_channel_group)); | |
479 | snprintf(channel, sizeof(channel), "CG%d", cnt+1); | |
480 | cg->name = g_strdup(channel); | |
481 | cg->priv = NULL; | |
482 | cg->channels = g_slist_append(NULL, ch); | |
483 | ||
484 | sdi->channel_groups = g_slist_append(sdi->channel_groups, cg); | |
485 | } | |
486 | ||
487 | drvc->instances = g_slist_append(drvc->instances, sdi); | |
488 | devices = g_slist_append(devices, sdi); | |
489 | ||
490 | /* Query status */ | |
491 | if (lps_query_status(sdi) != SR_OK) | |
492 | goto exit_err; | |
493 | ||
494 | serial_close(serial); | |
495 | if (!devices) | |
496 | sr_serial_dev_inst_free(serial); | |
497 | ||
498 | return devices; | |
499 | ||
500 | exit_err: | |
501 | sr_info("%s: Error!", __func__); | |
502 | ||
503 | if (serial) { | |
504 | serial_close(serial); | |
505 | sr_serial_dev_inst_free(serial); | |
506 | } | |
507 | if (devc) | |
508 | g_free(devc); | |
509 | if (sdi) | |
510 | sr_dev_inst_free(sdi); | |
511 | ||
512 | return NULL; | |
41b7bd01 MH |
513 | } |
514 | ||
1c3d002b MH |
515 | /** Scan for LPS-301 device. */ |
516 | static GSList *scan_lps301(GSList *options) | |
517 | { | |
1f7da0c2 | 518 | return do_scan(LPS_301, &motech_lps_301_driver_info, options); |
1c3d002b MH |
519 | } |
520 | ||
521 | static GSList *doDevList(struct sr_dev_driver *drv) | |
522 | { | |
523 | return ((struct drv_context *)(drv->priv))->instances; | |
524 | } | |
525 | ||
526 | static GSList *dev_list_lps301(void) | |
527 | { | |
528 | return doDevList(&motech_lps_301_driver_info); | |
529 | } | |
530 | ||
531 | static void dev_clear_private(struct dev_context* devc) | |
532 | { | |
533 | int ch_idx; | |
534 | ||
535 | /* Free channel_status.info (list only, data owned by sdi). */ | |
536 | for (ch_idx = 0; ch_idx < devc->model->num_channels; ch_idx++) | |
537 | g_slist_free(devc->channel_status[ch_idx].info); | |
538 | ||
539 | g_timer_destroy(devc->elapsed_msec); | |
540 | } | |
541 | ||
542 | static int dev_clear_lps301(void) | |
543 | { | |
544 | return std_dev_clear(&motech_lps_301_driver_info, (std_dev_clear_callback)dev_clear_private); | |
545 | } | |
546 | ||
547 | static int cleanup(void) | |
548 | { | |
549 | return dev_clear_lps301(); | |
550 | } | |
551 | ||
584560f1 | 552 | static int config_get(uint32_t key, GVariant **data, const struct sr_dev_inst *sdi, |
41b7bd01 MH |
553 | const struct sr_channel_group *cg) |
554 | { | |
1c3d002b MH |
555 | struct dev_context *devc; |
556 | struct sr_channel *ch; | |
557 | int ch_idx; | |
558 | ||
559 | if (!sdi) | |
560 | return SR_ERR_ARG; | |
561 | ||
562 | devc = sdi->priv; | |
563 | ||
564 | if (!cg) { | |
565 | /* No channel group: global options. */ | |
566 | switch (key) { | |
567 | case SR_CONF_LIMIT_SAMPLES: | |
568 | *data = g_variant_new_uint64(devc->limit_samples); | |
569 | break; | |
570 | case SR_CONF_LIMIT_MSEC: | |
571 | *data = g_variant_new_uint64(devc->limit_msec); | |
572 | break; | |
a1eaa9e0 | 573 | case SR_CONF_OUTPUT_CHANNEL_CONFIG: |
1c3d002b MH |
574 | *data = g_variant_new_string(channel_modes[devc->tracking_mode]); |
575 | break; | |
576 | default: | |
577 | return SR_ERR_NA; | |
578 | } | |
579 | } else { | |
580 | /* We only ever have one channel per channel group in this driver. */ | |
581 | ch = cg->channels->data; | |
582 | ch_idx = ch->index; | |
583 | switch (key) { | |
584 | case SR_CONF_OUTPUT_VOLTAGE: | |
585 | *data = g_variant_new_double(devc->channel_status[ch_idx].output_voltage_last); | |
586 | break; | |
ca95e90f | 587 | case SR_CONF_OUTPUT_VOLTAGE_TARGET: |
1c3d002b MH |
588 | *data = g_variant_new_double(devc->channel_status[ch_idx].output_voltage_max); |
589 | break; | |
590 | case SR_CONF_OUTPUT_CURRENT: | |
591 | *data = g_variant_new_double(devc->channel_status[ch_idx].output_current_last); | |
592 | break; | |
ca95e90f | 593 | case SR_CONF_OUTPUT_CURRENT_LIMIT: |
1c3d002b MH |
594 | *data = g_variant_new_double(devc->channel_status[ch_idx].output_current_max); |
595 | break; | |
596 | case SR_CONF_OUTPUT_ENABLED: | |
597 | *data = g_variant_new_boolean(devc->channel_status[ch_idx].output_enabled); | |
598 | break; | |
599 | default: | |
600 | return SR_ERR_NA; | |
601 | } | |
602 | } | |
41b7bd01 | 603 | |
1c3d002b MH |
604 | return SR_OK; |
605 | } | |
606 | ||
584560f1 | 607 | static int config_set(uint32_t key, GVariant *data, const struct sr_dev_inst *sdi, |
1c3d002b MH |
608 | const struct sr_channel_group *cg) |
609 | { | |
610 | struct dev_context *devc; | |
611 | struct sr_channel *ch; | |
612 | gdouble dval; | |
613 | int ch_idx; | |
614 | const char *sval; | |
615 | gboolean bval; | |
616 | int idx; | |
617 | gboolean found; | |
41b7bd01 MH |
618 | |
619 | if (sdi->status != SR_ST_ACTIVE) | |
620 | return SR_ERR_DEV_CLOSED; | |
621 | ||
1c3d002b MH |
622 | devc = sdi->priv; |
623 | ||
419bfb50 | 624 | /* Cannot change settings while acquisition active, would cause a mess with commands. |
1c3d002b MH |
625 | * Changing this would be possible, but tricky. */ |
626 | if (devc->acq_running) | |
627 | return SR_ERR_NA; | |
628 | ||
629 | if (!cg) { | |
630 | /* No channel group: global options. */ | |
631 | switch (key) { | |
632 | case SR_CONF_LIMIT_MSEC: | |
633 | if (g_variant_get_uint64(data) == 0) { | |
634 | sr_err("LIMIT_MSEC can't be 0."); | |
635 | return SR_ERR; | |
636 | } | |
637 | devc->limit_msec = g_variant_get_uint64(data); | |
638 | sr_dbg("Setting time limit to %" PRIu64 "ms.", | |
639 | devc->limit_msec); | |
640 | break; | |
641 | case SR_CONF_LIMIT_SAMPLES: | |
642 | devc->limit_samples = g_variant_get_uint64(data); | |
643 | sr_dbg("Setting sample limit to %" PRIu64 ".", | |
644 | devc->limit_samples); | |
645 | break; | |
a1eaa9e0 | 646 | case SR_CONF_OUTPUT_CHANNEL_CONFIG: |
1c3d002b MH |
647 | sval = g_variant_get_string(data, NULL); |
648 | found = FALSE; | |
649 | for (idx = 0; idx < (int)ARRAY_SIZE(channel_modes); idx++) | |
650 | { | |
651 | if (!strcmp(sval, channel_modes[idx])) { | |
652 | found = TRUE; | |
653 | if (devc->tracking_mode == idx) | |
654 | break; /* Nothing to do! */ | |
655 | devc->tracking_mode = idx; | |
656 | if (devc->model->modelid >= LPS_304) /* No use to set anything in the smaller models. */ | |
657 | return lps_cmd_ok(sdi->conn, "TRACK%1d", devc->tracking_mode); | |
658 | } | |
659 | if (devc->model->modelid <= LPS_303) /* Only first setting possible for smaller models. */ | |
660 | break; | |
661 | } | |
662 | if (!found) { | |
663 | return SR_ERR_ARG; | |
664 | } | |
665 | break; | |
666 | default: | |
667 | return SR_ERR_NA; | |
668 | } | |
669 | } else { | |
670 | /* Channel group specified: per-channel options. */ | |
671 | /* We only ever have one channel per channel group in this driver. */ | |
672 | ch = cg->channels->data; | |
673 | ch_idx = ch->index; | |
674 | ||
675 | switch (key) { | |
ca95e90f | 676 | case SR_CONF_OUTPUT_VOLTAGE_TARGET: |
1c3d002b MH |
677 | dval = g_variant_get_double(data); |
678 | if (dval < 0 || dval > devc->model->channels[ch_idx].voltage[1]) | |
679 | return SR_ERR_ARG; | |
680 | if (ch_idx == 2) { | |
681 | if (devc->model->modelid < LPS_304) | |
682 | return SR_ERR_ARG; | |
683 | ||
684 | if (fabs(dval - 5.000) <= 0.001) | |
685 | dval = 5.0; | |
686 | else if ((devc->model->modelid >= LPS_305) && (fabs(dval - 3.300) <= 0.001)) | |
687 | dval = 3.3; | |
688 | else return SR_ERR_ARG; | |
689 | } | |
690 | ||
691 | devc->channel_status[ch_idx].output_voltage_max = dval; | |
692 | if (ch_idx == 2) | |
693 | return lps_cmd_ok(sdi->conn, "VDD%1.0f", trunc(dval)); | |
694 | else | |
695 | return lps_cmd_ok(sdi->conn, "VSET%d %05.3f", ch_idx+1, dval); | |
696 | break; | |
ca95e90f | 697 | case SR_CONF_OUTPUT_CURRENT_LIMIT: |
1c3d002b MH |
698 | dval = g_variant_get_double(data); |
699 | if (dval < 0 || dval > devc->model->channels[ch_idx].current[1]) | |
700 | return SR_ERR_ARG; | |
701 | if (ch_idx == 2) /* No current setting for CH3. */ | |
702 | return SR_ERR_NA; | |
703 | devc->channel_status[ch_idx].output_current_max = dval; | |
704 | return lps_cmd_ok(sdi->conn, "ISET%d %05.4f", ch_idx+1, dval); | |
705 | break; | |
706 | case SR_CONF_OUTPUT_ENABLED: | |
707 | bval = g_variant_get_boolean(data); | |
708 | if (bval == devc->channel_status[ch_idx].output_enabled) /* Nothing to do. */ | |
709 | break; | |
710 | devc->channel_status[ch_idx].output_enabled = bval; | |
711 | if (ch_idx != 2) { /* Channels 1,2 can be set only together. */ | |
712 | devc->channel_status[ch_idx^1].output_enabled = bval; | |
713 | return lps_cmd_ok(sdi->conn, "OUT%1d", (int)bval); | |
714 | } else { /* Channel 3: No command to disable output, set voltage to 0 instead. */ | |
715 | if (bval) | |
716 | return lps_cmd_ok(sdi->conn, "VDD%1.0f", devc->channel_status[ch_idx].output_voltage_max); | |
717 | else | |
718 | return lps_cmd_ok(sdi->conn, "VDD0"); | |
719 | } | |
720 | break; | |
721 | default: | |
722 | return SR_ERR_NA; | |
723 | } | |
41b7bd01 MH |
724 | } |
725 | ||
1c3d002b | 726 | return SR_OK; |
41b7bd01 MH |
727 | } |
728 | ||
584560f1 | 729 | static int config_list(uint32_t key, GVariant **data, const struct sr_dev_inst *sdi, |
41b7bd01 MH |
730 | const struct sr_channel_group *cg) |
731 | { | |
1c3d002b MH |
732 | struct dev_context *devc; |
733 | struct sr_channel *ch; | |
734 | int ch_idx, i; | |
735 | GVariant *gvar; | |
736 | GVariantBuilder gvb; | |
41b7bd01 | 737 | |
41b7bd01 | 738 | (void)data; |
41b7bd01 | 739 | |
1c3d002b | 740 | /* Driver options, no device instance necessary. */ |
41b7bd01 | 741 | switch (key) { |
1c3d002b | 742 | case SR_CONF_SCAN_OPTIONS: |
584560f1 | 743 | *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32, |
a0e0bb41 | 744 | scanopts, ARRAY_SIZE(scanopts), sizeof(uint32_t)); |
1c3d002b | 745 | return SR_OK; |
413f1944 AJ |
746 | case SR_CONF_DEVICE_OPTIONS: |
747 | if (sdi != NULL) | |
748 | break; | |
749 | *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32, | |
750 | drvopts, ARRAY_SIZE(drvopts), sizeof(uint32_t)); | |
751 | return SR_OK; | |
1c3d002b MH |
752 | default: |
753 | if (sdi == NULL) | |
754 | return SR_ERR_ARG; | |
755 | ||
756 | devc = sdi->priv; | |
757 | } | |
758 | ||
584560f1 | 759 | /* Device options, independent from channel groups. */ |
1c3d002b MH |
760 | if (cg == NULL) { |
761 | switch (key) { | |
762 | case SR_CONF_DEVICE_OPTIONS: | |
584560f1 | 763 | *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32, |
f254bc4b | 764 | devopts, ARRAY_SIZE(devopts), sizeof(uint32_t)); |
1c3d002b | 765 | return SR_OK; |
a1eaa9e0 | 766 | case SR_CONF_OUTPUT_CHANNEL_CONFIG: |
1c3d002b MH |
767 | if (devc->model->modelid <= LPS_303) { |
768 | /* The 1-channel models. */ | |
769 | *data = g_variant_new_strv(channel_modes, 1); | |
770 | } else { | |
771 | /* The other models support all modes. */ | |
772 | *data = g_variant_new_strv(channel_modes, ARRAY_SIZE(channel_modes)); | |
773 | } | |
774 | return SR_OK; | |
775 | break; | |
776 | default: | |
777 | return SR_ERR_NA; | |
778 | } | |
779 | } | |
780 | ||
781 | /* Device options, depending on channel groups. */ | |
782 | ch = cg->channels->data; | |
783 | ch_idx = ch->index; | |
784 | switch (key) { | |
785 | case SR_CONF_DEVICE_OPTIONS: | |
786 | if ((ch_idx == 0) || (ch_idx == 1)) /* CH1, CH2 */ | |
584560f1 | 787 | *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32, |
f254bc4b | 788 | devopts_ch12, ARRAY_SIZE(devopts_ch12), sizeof(uint32_t)); |
1c3d002b | 789 | else /* Must be CH3 */ |
584560f1 | 790 | *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32, |
f254bc4b | 791 | devopts_ch3, ARRAY_SIZE(devopts_ch3), sizeof(uint32_t)); |
1c3d002b | 792 | break; |
ca95e90f | 793 | case SR_CONF_OUTPUT_VOLTAGE_TARGET: |
1c3d002b MH |
794 | g_variant_builder_init(&gvb, G_VARIANT_TYPE_ARRAY); |
795 | /* Min, max, step. */ | |
796 | for (i = 0; i < 3; i++) { | |
797 | gvar = g_variant_new_double(devc->model->channels[ch_idx].voltage[i]); | |
798 | g_variant_builder_add_value(&gvb, gvar); | |
799 | } | |
800 | *data = g_variant_builder_end(&gvb); | |
801 | break; | |
ca95e90f | 802 | case SR_CONF_OUTPUT_CURRENT_LIMIT: |
1c3d002b MH |
803 | g_variant_builder_init(&gvb, G_VARIANT_TYPE_ARRAY); |
804 | /* Min, max, step. */ | |
805 | for (i = 0; i < 3; i++) { | |
806 | gvar = g_variant_new_double(devc->model->channels[ch_idx].current[i]); | |
807 | g_variant_builder_add_value(&gvb, gvar); | |
808 | } | |
809 | *data = g_variant_builder_end(&gvb); | |
810 | break; | |
41b7bd01 MH |
811 | default: |
812 | return SR_ERR_NA; | |
813 | } | |
814 | ||
1c3d002b | 815 | return SR_OK; |
41b7bd01 MH |
816 | } |
817 | ||
818 | static int dev_acquisition_start(const struct sr_dev_inst *sdi, | |
819 | void *cb_data) | |
820 | { | |
1c3d002b MH |
821 | struct dev_context *devc; |
822 | struct sr_serial_dev_inst *serial; | |
41b7bd01 MH |
823 | |
824 | if (sdi->status != SR_ST_ACTIVE) | |
825 | return SR_ERR_DEV_CLOSED; | |
826 | ||
1c3d002b MH |
827 | devc = sdi->priv; |
828 | ||
829 | devc->acq_running = TRUE; | |
830 | ||
831 | serial = sdi->conn; | |
102f1239 BV |
832 | serial_source_add(sdi->session, serial, G_IO_IN, 50, |
833 | motech_lps_30x_receive_data, (void *)sdi); | |
1c3d002b MH |
834 | std_session_send_df_header(cb_data, LOG_PREFIX); |
835 | ||
836 | /* Start timer, if required. */ | |
837 | if (devc->limit_msec) | |
838 | g_timer_start(devc->elapsed_msec); | |
839 | ||
840 | devc->acq_req = AQ_NONE; | |
841 | /* Do not start polling device here, the read function will do it in 50 ms. */ | |
41b7bd01 MH |
842 | |
843 | return SR_OK; | |
844 | } | |
845 | ||
846 | static int dev_acquisition_stop(struct sr_dev_inst *sdi, void *cb_data) | |
847 | { | |
1c3d002b | 848 | struct dev_context *devc; |
41b7bd01 | 849 | |
1c3d002b MH |
850 | /* Stop timer, if required. */ |
851 | if (sdi && (devc = sdi->priv) && devc->limit_msec) | |
852 | g_timer_stop(devc->elapsed_msec); | |
41b7bd01 | 853 | |
1c3d002b MH |
854 | return std_serial_dev_acquisition_stop(sdi, cb_data, std_serial_dev_close, |
855 | sdi->conn, LOG_PREFIX); | |
41b7bd01 MH |
856 | } |
857 | ||
858 | SR_PRIV struct sr_dev_driver motech_lps_301_driver_info = { | |
859 | .name = "motech-lps-301", | |
860 | .longname = "Motech LPS-301", | |
861 | .api_version = 1, | |
1c3d002b | 862 | .init = init_lps301, |
41b7bd01 | 863 | .cleanup = cleanup, |
1c3d002b MH |
864 | .scan = scan_lps301, |
865 | .dev_list = dev_list_lps301, | |
866 | .dev_clear = dev_clear_lps301, | |
41b7bd01 MH |
867 | .config_get = config_get, |
868 | .config_set = config_set, | |
869 | .config_list = config_list, | |
1c3d002b MH |
870 | .dev_open = std_serial_dev_open, |
871 | .dev_close = std_serial_dev_close, | |
41b7bd01 MH |
872 | .dev_acquisition_start = dev_acquisition_start, |
873 | .dev_acquisition_stop = dev_acquisition_stop, | |
874 | .priv = NULL, | |
875 | }; |