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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> | |
1c3d002b MH |
27 | #include <math.h> |
28 | #include <string.h> | |
41b7bd01 MH |
29 | #include "protocol.h" |
30 | ||
1c3d002b | 31 | /* Forward declarations */ |
41b7bd01 | 32 | SR_PRIV struct sr_dev_driver motech_lps_301_driver_info; |
1c3d002b MH |
33 | SR_PRIV int lps_read_reply(struct sr_serial_dev_inst *serial, char **buf, int *buflen); |
34 | SR_PRIV int lps_send_va(struct sr_serial_dev_inst *serial, const char* fmt, va_list args); | |
35 | SR_PRIV int lps_cmd_ok(struct sr_serial_dev_inst *serial, const char* fmt, ...); | |
36 | SR_PRIV int lps_cmd_reply(char* reply, struct sr_serial_dev_inst *serial, const char* fmt, ...); | |
37 | SR_PRIV int lps_query_status(struct sr_dev_inst* sdi); | |
38 | ||
39 | /* Serial communication parameters */ | |
40 | #define SERIALCOMM "2400/8n1/dtr=1/rts=1/flow=0" | |
41 | ||
42 | #define VENDOR_MOTECH "Motech" | |
43 | ||
413f1944 AJ |
44 | /** Driver capabilities generic. */ |
45 | static const uint32_t drvopts[] = { | |
46 | /* Device class */ | |
47 | SR_CONF_POWER_SUPPLY, | |
48 | }; | |
49 | ||
1c3d002b | 50 | /** Driver scanning options. */ |
a0e0bb41 | 51 | static const uint32_t scanopts[] = { |
1c3d002b MH |
52 | SR_CONF_CONN, |
53 | SR_CONF_SERIALCOMM, | |
54 | }; | |
55 | ||
56 | /** Hardware capabilities generic. */ | |
f254bc4b | 57 | static const uint32_t devopts[] = { |
1c3d002b MH |
58 | /* Device class */ |
59 | SR_CONF_POWER_SUPPLY, | |
f3f19d11 | 60 | /* Acquisition modes. */ |
1c3d002b | 61 | SR_CONF_CONTINUOUS, |
5827f61b BV |
62 | SR_CONF_LIMIT_SAMPLES | SR_CONF_GET | SR_CONF_SET, |
63 | SR_CONF_LIMIT_MSEC | SR_CONF_GET | SR_CONF_SET, | |
1c3d002b | 64 | /* Device configuration */ |
7a0b98b5 | 65 | SR_CONF_CHANNEL_CONFIG | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST, |
1c3d002b MH |
66 | }; |
67 | ||
68 | /** Hardware capabilities channel 1, 2. */ | |
f254bc4b | 69 | static const uint32_t devopts_ch12[] = { |
7a0b98b5 AJ |
70 | SR_CONF_VOLTAGE | SR_CONF_GET, |
71 | SR_CONF_VOLTAGE_TARGET | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST, | |
72 | SR_CONF_CURRENT | SR_CONF_GET, | |
73 | SR_CONF_CURRENT_LIMIT | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST, | |
74 | SR_CONF_ENABLED | SR_CONF_GET | SR_CONF_SET, | |
1c3d002b MH |
75 | }; |
76 | ||
77 | /** Hardware capabilities channel 3. (LPS-304/305 only). */ | |
f254bc4b | 78 | static const uint32_t devopts_ch3[] = { |
7a0b98b5 AJ |
79 | SR_CONF_VOLTAGE | SR_CONF_GET, |
80 | SR_CONF_ENABLED | SR_CONF_GET | SR_CONF_SET, | |
1c3d002b MH |
81 | }; |
82 | ||
83 | static const char *channel_modes[] = { | |
84 | "Independent", | |
85 | "Track1", | |
86 | "Track2", | |
87 | }; | |
88 | ||
329733d9 | 89 | static const struct lps_modelspec models[] = { |
1c3d002b MH |
90 | { LPS_UNKNOWN, "Dummy", 0, |
91 | { | |
92 | ||
93 | } | |
94 | }, | |
95 | { LPS_301, "LPS-301", 1, | |
96 | { | |
97 | /* Channel 1 */ | |
98 | { { 0, 32, 0.01 }, { 0.005, 2, 0.001 } }, | |
99 | }, | |
100 | }, | |
101 | { LPS_302, "LPS-302", 1, | |
102 | { | |
103 | /* Channel 1 */ | |
104 | { { 0, 32, 0.01 }, { 0.005, 3, 0.001 } }, | |
105 | }, | |
106 | }, | |
107 | { LPS_303, "LPS-303", 1, | |
108 | { | |
109 | /* Channel 1 */ | |
110 | { { 0, 32, 0.01 }, { 0.005, 3, 0.001 } }, | |
111 | }, | |
112 | }, | |
113 | { LPS_304, "LPS-304", 3, | |
114 | { | |
115 | /* Channel 1 */ | |
116 | { { 0, 32, 0.01 }, { 0.005, 3, 0.001 } }, | |
117 | /* Channel 2 */ | |
118 | { { 0, 32, 0.01 }, { 0.005, 3, 0.001 } }, | |
119 | /* Channel 3 */ | |
120 | { { 5, 5, 0.0 }, { 0.005, 3, 0.001 } }, | |
121 | }, | |
122 | }, | |
123 | { LPS_305, "LPS-305", 3, | |
124 | { | |
125 | /* Channel 1 */ | |
126 | { { 0, 32, 0.01 }, { 0.005, 3, 0.001 } }, | |
127 | /* Channel 2 */ | |
128 | { { 0, 32, 0.01 }, { 0.005, 3, 0.001 } }, | |
129 | /* Channel 3 */ | |
130 | { { 3.3, 5, 1.7 }, { 0.005, 3, 0.001 } }, | |
131 | }, | |
132 | }, | |
133 | }; | |
41b7bd01 | 134 | |
4f840ce9 | 135 | static int init_lps301(struct sr_dev_driver *di, struct sr_context *sr_ctx) |
41b7bd01 | 136 | { |
4f840ce9 | 137 | return std_init(sr_ctx, di, LOG_PREFIX); |
41b7bd01 MH |
138 | } |
139 | ||
1c3d002b MH |
140 | /** Send command to device with va_list. |
141 | */ | |
142 | SR_PRIV int lps_send_va(struct sr_serial_dev_inst *serial, const char* fmt, va_list args) | |
41b7bd01 | 143 | { |
1c3d002b MH |
144 | int retc; |
145 | char auxfmt[LINELEN_MAX]; | |
146 | char buf[LINELEN_MAX]; | |
41b7bd01 | 147 | |
1c3d002b MH |
148 | snprintf(auxfmt, sizeof(auxfmt), "%s\r\n", fmt); |
149 | vsnprintf(buf, sizeof(buf), auxfmt, args); | |
41b7bd01 | 150 | |
1c3d002b | 151 | sr_spew("lps_send_va: \"%s\"", buf); |
41b7bd01 | 152 | |
eead2782 | 153 | retc = serial_write_blocking(serial, buf, strlen(buf), 0); |
41b7bd01 | 154 | |
1c3d002b MH |
155 | if (retc < 0) |
156 | return SR_ERR; | |
157 | ||
158 | return SR_OK; | |
41b7bd01 MH |
159 | } |
160 | ||
1c3d002b MH |
161 | /** Send command to device. |
162 | */ | |
163 | SR_PRIV int lps_send_req(struct sr_serial_dev_inst *serial, const char* fmt, ...) | |
41b7bd01 | 164 | { |
1c3d002b MH |
165 | int retc; |
166 | va_list args; | |
167 | ||
168 | va_start(args, fmt); | |
169 | retc = lps_send_va(serial, fmt, args); | |
170 | va_end(args); | |
171 | ||
172 | return retc; | |
41b7bd01 MH |
173 | } |
174 | ||
1c3d002b MH |
175 | /** Send command and consume simple OK reply. */ |
176 | SR_PRIV int lps_cmd_ok(struct sr_serial_dev_inst *serial, const char* fmt, ...) | |
41b7bd01 | 177 | { |
1c3d002b MH |
178 | int retc; |
179 | va_list args; | |
180 | char buf[LINELEN_MAX]; | |
181 | char* bufptr; | |
182 | int buflen; | |
183 | ||
184 | /* Send command */ | |
185 | va_start(args, fmt); | |
186 | retc = lps_send_va(serial, fmt, args); | |
187 | va_end(args); | |
188 | ||
189 | if (retc != SR_OK) | |
190 | return SR_ERR; | |
191 | ||
192 | /* Read reply */ | |
193 | buf[0] = '\0'; | |
194 | bufptr = buf; | |
195 | buflen = sizeof(buf); | |
196 | retc = lps_read_reply(serial, &bufptr, &buflen); | |
197 | if ((retc == SR_OK) && (buflen == 0)) | |
198 | return SR_OK; | |
199 | ||
200 | return SR_ERR; | |
41b7bd01 MH |
201 | } |
202 | ||
1c3d002b MH |
203 | /** Send command and read reply string. |
204 | * \param reply Pointer to buffer of size LINELEN_MAX. Will be NUL-terminated. | |
205 | */ | |
206 | SR_PRIV int lps_cmd_reply(char* reply, struct sr_serial_dev_inst *serial, const char* fmt, ...) | |
41b7bd01 | 207 | { |
1c3d002b MH |
208 | int retc; |
209 | va_list args; | |
210 | char buf[LINELEN_MAX]; | |
211 | char* bufptr; | |
212 | int buflen; | |
213 | ||
214 | reply[0] = '\0'; | |
215 | ||
216 | /* Send command */ | |
217 | va_start(args, fmt); | |
218 | retc = lps_send_va(serial, fmt, args); | |
219 | va_end(args); | |
220 | ||
221 | if (retc != SR_OK) | |
222 | return SR_ERR; | |
223 | ||
224 | /* Read reply */ | |
225 | buf[0] = '\0'; | |
226 | bufptr = buf; | |
227 | buflen = sizeof(buf); | |
228 | retc = lps_read_reply(serial, &bufptr, &buflen); | |
229 | if ((retc == SR_OK) && (buflen > 0)) { | |
230 | strcpy(reply, buf); | |
231 | return SR_OK; | |
232 | } | |
41b7bd01 | 233 | |
1c3d002b MH |
234 | return SR_ERR; |
235 | } | |
41b7bd01 | 236 | |
1c3d002b MH |
237 | /** Process integer value returned by STATUS command. */ |
238 | SR_PRIV int lps_process_status(struct sr_dev_inst* sdi, int stat) | |
239 | { | |
240 | struct dev_context* devc; | |
241 | int tracking_mode; | |
242 | ||
243 | devc = (struct dev_context*)sdi->priv; | |
244 | ||
245 | sr_spew("Status: %d", stat); | |
246 | devc->channel_status[0].cc_mode = (stat & 0x01) != 0; | |
247 | sr_spew("Channel 1 %s mode", devc->channel_status[0].cc_mode?"CC":"CV"); | |
248 | if (devc->model->num_channels > 1) { | |
249 | devc->channel_status[1].cc_mode = (stat & 0x02) != 0; | |
250 | sr_spew("Channel 2 %s mode", devc->channel_status[1].cc_mode?"CC":"CV"); | |
251 | ||
252 | tracking_mode = (stat & 0x0c) >> 2; | |
253 | switch (tracking_mode) { | |
254 | case 0: devc->tracking_mode = 0; | |
255 | break; | |
256 | case 2: devc->tracking_mode = 1; | |
257 | break; | |
258 | case 3: devc->tracking_mode = 2; | |
259 | break; | |
260 | default: | |
261 | sr_err("Illegal channel tracking mode %d!", tracking_mode); | |
262 | devc->tracking_mode = 0; | |
263 | break; | |
264 | } | |
265 | ||
266 | sr_spew("Channel tracking: %d", devc->tracking_mode); | |
267 | } | |
268 | devc->channel_status[0].output_enabled = devc->channel_status[1].output_enabled = stat&0x040?TRUE:FALSE; | |
269 | sr_spew("Channel 1%s output: %s", devc->model->num_channels > 1?"+2":"", devc->channel_status[0].output_enabled?"ON":"OFF"); | |
270 | if (devc->model->num_channels > 2) { | |
271 | devc->channel_status[2].output_enabled = stat&0x010?TRUE:FALSE; | |
272 | devc->channel_status[2].output_voltage_last = stat&0x020?3.3:5; | |
273 | sr_spew("Channel 3 output: %s, U=%02f V, overload=%d", | |
274 | devc->channel_status[2].output_enabled?"ON":"OFF", | |
275 | devc->channel_status[2].output_voltage_last, | |
276 | stat&0x080?1:0); | |
277 | } | |
278 | sr_spew("Fan=%d, beep=%d, CC output compensated=%d", stat&0x0100?1:0, stat&0x0200?1:0, stat&0x0400?1:0); | |
41b7bd01 MH |
279 | |
280 | return SR_OK; | |
281 | } | |
282 | ||
1c3d002b MH |
283 | /** Send STATUS commend and process status string. */ |
284 | SR_PRIV int lps_query_status(struct sr_dev_inst* sdi) | |
41b7bd01 | 285 | { |
1c3d002b | 286 | char buf[LINELEN_MAX]; |
8d522801 | 287 | int stat, ret; |
1c3d002b | 288 | struct dev_context* devc; |
41b7bd01 | 289 | |
1c3d002b | 290 | devc = (struct dev_context*)sdi->priv; |
41b7bd01 | 291 | |
1c3d002b | 292 | devc->req_sent_at = g_get_real_time(); |
41b7bd01 | 293 | |
8d522801 UH |
294 | if ((ret = lps_cmd_reply(buf, sdi->conn, "STATUS")) < 0) { |
295 | sr_err("%s: Failed to read status: %s.", __func__, | |
296 | sr_strerror(ret)); | |
1c3d002b MH |
297 | return SR_ERR; |
298 | } | |
299 | ||
1f7da0c2 | 300 | if (sr_atoi(buf, &stat) != SR_OK) |
1c3d002b MH |
301 | return SR_ERR; |
302 | ||
303 | return lps_process_status(sdi, stat); | |
41b7bd01 MH |
304 | } |
305 | ||
1c3d002b | 306 | static gint64 calc_timeout_ms(gint64 start_us) |
41b7bd01 | 307 | { |
1c3d002b | 308 | gint64 result = REQ_TIMEOUT_MS - ((g_get_real_time() - start_us) / 1000); |
41b7bd01 | 309 | |
1c3d002b MH |
310 | if (result < 0) |
311 | return 0; | |
41b7bd01 | 312 | |
1c3d002b | 313 | return result; |
41b7bd01 MH |
314 | } |
315 | ||
1c3d002b MH |
316 | /** Read message into buf until "OK" received. |
317 | * \retval SR_OK Msg received; buf and buflen contain result, if any except OK. | |
318 | * \retval SR_ERR Error, including timeout. | |
319 | */ | |
320 | SR_PRIV int lps_read_reply(struct sr_serial_dev_inst *serial, char **buf, int *buflen) | |
41b7bd01 | 321 | { |
1c3d002b MH |
322 | int retries; |
323 | char buf2[LINELEN_MAX]; | |
324 | char *buf2ptr; | |
325 | int buf2len; | |
326 | gint64 timeout_start; | |
327 | ||
328 | *buf[0] = '\0'; | |
329 | ||
330 | /* Read one line. It is either a data message or "OK". */ | |
331 | timeout_start = g_get_real_time(); | |
332 | buf2len = *buflen; | |
333 | /* Up to 5 tries because serial_readline() will consume only one CR or LF per | |
334 | * call, but device sends up to 4 in a row. */ | |
335 | for (retries = 0; retries < 5; retries++) { | |
336 | *buflen = buf2len; | |
337 | if (serial_readline(serial, buf, buflen, calc_timeout_ms(timeout_start)) != SR_OK) | |
338 | return SR_ERR; | |
339 | if (!strcmp(*buf, "OK")) { /* We got an OK! */ | |
340 | *buf[0] = '\0'; | |
341 | *buflen = 0; | |
342 | return SR_OK; | |
343 | } | |
344 | if (*buflen > 0) /* We got a msg! */ | |
345 | break; | |
346 | } | |
41b7bd01 | 347 | |
1c3d002b MH |
348 | /* A data msg is in buf (possibly ERROR), need to consume "OK". */ |
349 | buf2[0] = '\0'; | |
350 | buf2ptr = buf2; | |
351 | for (retries = 0; retries < 5; retries++) { | |
352 | buf2len = sizeof(buf2); | |
353 | if (serial_readline(serial, &buf2ptr, &buf2len, calc_timeout_ms(timeout_start)) != SR_OK) | |
354 | return SR_ERR; | |
355 | ||
356 | if (!strcmp(buf2ptr, "OK")) { /* We got an OK! */ | |
357 | if (!strcmp(*buf, "ERROR")) { /* OK came after msg ERROR! */ | |
358 | sr_spew("ERROR found!"); | |
359 | *buf[0] = '\0'; | |
360 | *buflen = 0; | |
361 | return SR_ERR; | |
362 | } | |
363 | return SR_OK; | |
364 | } | |
365 | } | |
41b7bd01 | 366 | |
1c3d002b MH |
367 | return SR_ERR; /* Timeout! */ |
368 | } | |
369 | ||
370 | /** Scan for LPS-300 series device. | |
371 | */ | |
1f7da0c2 | 372 | static GSList *do_scan(lps_modelid modelid, struct sr_dev_driver *drv, GSList *options) |
1c3d002b MH |
373 | { |
374 | struct sr_dev_inst *sdi; | |
375 | struct drv_context *drvc; | |
376 | struct dev_context *devc; | |
377 | struct sr_serial_dev_inst *serial; | |
378 | struct sr_channel *ch; | |
379 | struct sr_channel_group *cg; | |
380 | GSList *devices; | |
381 | const char *conn, *serialcomm; | |
8d522801 | 382 | int cnt, ret; |
0af636be | 383 | gchar buf[LINELEN_MAX]; |
1c3d002b | 384 | gchar channel[10]; |
0af636be | 385 | char *verstr; |
1c3d002b MH |
386 | |
387 | sdi = NULL; | |
388 | devc = NULL; | |
389 | conn = serialcomm = NULL; | |
390 | devices = NULL; | |
391 | ||
338143ea | 392 | drvc = drv->context; |
1c3d002b MH |
393 | drvc->instances = NULL; |
394 | ||
395 | sr_spew("scan() called!"); | |
396 | ||
397 | /* Process and check options. */ | |
398 | if (sr_serial_extract_options(options, &conn, &serialcomm) != SR_OK) | |
399 | return NULL; | |
400 | if (!serialcomm) | |
401 | serialcomm = SERIALCOMM; | |
402 | ||
403 | /* Init serial port. */ | |
91219afc | 404 | serial = sr_serial_dev_inst_new(conn, serialcomm); |
1c3d002b | 405 | |
5b980134 | 406 | if (serial_open(serial, SERIAL_RDWR) != SR_OK) |
1c3d002b MH |
407 | goto exit_err; |
408 | ||
409 | /* Query and verify model string. */ | |
410 | serial_flush(serial); | |
411 | if (lps_cmd_reply(buf, serial, "MODEL") != SR_OK) | |
412 | return NULL; | |
413 | ||
414 | /* Check model string. */ | |
415 | if (strncmp(buf, "LPS-", 4)) { | |
416 | sr_spew("Unknown model code \"%s\"!", buf); | |
417 | return NULL; | |
418 | } | |
419 | ||
420 | /* Bug in device FW 1.17, model number is empty, so this can't work with this FW! */ | |
421 | if (modelid == LPS_UNKNOWN) { | |
422 | g_strstrip(buf); | |
423 | for (cnt = LPS_301; cnt <= LPS_305; cnt++) { | |
424 | if (!strcmp(buf, models[cnt].modelstr)) { | |
425 | modelid = cnt; | |
426 | break; | |
427 | } | |
428 | } | |
429 | if (modelid == LPS_UNKNOWN) { | |
430 | sr_err("Unable to detect model from model string '%s'!", buf); | |
431 | return NULL; | |
432 | } | |
41b7bd01 MH |
433 | } |
434 | ||
1c3d002b MH |
435 | /* Query version */ |
436 | verstr = NULL; | |
8d522801 | 437 | if ((ret = lps_cmd_reply(buf, serial, "VERSION")) == SR_OK) { |
1c3d002b MH |
438 | if (strncmp(buf, "Ver-", 4)) { |
439 | sr_spew("Version string %s not recognized.", buf); | |
440 | goto exit_err; | |
441 | } | |
442 | ||
1c3d002b MH |
443 | g_strstrip(buf); |
444 | verstr = buf + 4; | |
445 | } | |
f3f19d11 | 446 | else /* Bug in device FW 1.17: Querying version string fails while output is active. |
1c3d002b | 447 | Therefore just print an error message, but do not exit with error. */ |
8d522801 UH |
448 | sr_err("Failed to query for hardware version: %s.", |
449 | sr_strerror(ret)); | |
1c3d002b | 450 | |
aac29cc1 | 451 | sdi = g_malloc0(sizeof(struct sr_dev_inst)); |
0af636be UH |
452 | sdi->status = SR_ST_INACTIVE; |
453 | sdi->vendor = g_strdup(VENDOR_MOTECH); | |
454 | sdi->model = g_strdup(models[modelid].modelstr); | |
455 | sdi->version = g_strdup(verstr); | |
1c3d002b MH |
456 | sdi->driver = drv; |
457 | sdi->inst_type = SR_INST_SERIAL; | |
458 | sdi->conn = serial; | |
459 | ||
460 | devc = g_malloc0(sizeof(struct dev_context)); | |
461 | devc->model = &models[modelid]; | |
462 | devc->limit_samples = 0; | |
463 | devc->limit_msec = 0; | |
464 | devc->num_samples = 0; | |
465 | devc->elapsed_msec = g_timer_new(); | |
466 | ||
467 | sdi->priv = devc; | |
468 | ||
469 | /* Setup channels and channel groups. */ | |
470 | for (cnt = 0; cnt < models[modelid].num_channels; cnt++) { | |
471 | snprintf(channel, sizeof(channel), "CH%d", cnt + 1); | |
5e23fcab | 472 | ch = sr_channel_new(sdi, cnt, SR_CHANNEL_ANALOG, TRUE, channel); |
1c3d002b MH |
473 | |
474 | devc->channel_status[cnt].info = g_slist_append(NULL, ch); | |
475 | ||
476 | cg = g_malloc(sizeof(struct sr_channel_group)); | |
477 | snprintf(channel, sizeof(channel), "CG%d", cnt+1); | |
478 | cg->name = g_strdup(channel); | |
479 | cg->priv = NULL; | |
480 | cg->channels = g_slist_append(NULL, ch); | |
481 | ||
482 | sdi->channel_groups = g_slist_append(sdi->channel_groups, cg); | |
483 | } | |
484 | ||
485 | drvc->instances = g_slist_append(drvc->instances, sdi); | |
486 | devices = g_slist_append(devices, sdi); | |
487 | ||
488 | /* Query status */ | |
489 | if (lps_query_status(sdi) != SR_OK) | |
490 | goto exit_err; | |
491 | ||
492 | serial_close(serial); | |
493 | if (!devices) | |
494 | sr_serial_dev_inst_free(serial); | |
495 | ||
496 | return devices; | |
497 | ||
498 | exit_err: | |
499 | sr_info("%s: Error!", __func__); | |
500 | ||
501 | if (serial) { | |
502 | serial_close(serial); | |
503 | sr_serial_dev_inst_free(serial); | |
504 | } | |
b1f83103 | 505 | g_free(devc); |
1c3d002b MH |
506 | if (sdi) |
507 | sr_dev_inst_free(sdi); | |
508 | ||
509 | return NULL; | |
41b7bd01 MH |
510 | } |
511 | ||
1c3d002b | 512 | /** Scan for LPS-301 device. */ |
4f840ce9 | 513 | static GSList *scan_lps301(struct sr_dev_driver *di, GSList *options) |
1c3d002b | 514 | { |
4f840ce9 | 515 | return do_scan(LPS_301, di, options); |
1c3d002b MH |
516 | } |
517 | ||
4f840ce9 | 518 | static GSList *dev_list_lps301(const struct sr_dev_driver *di) |
1c3d002b | 519 | { |
41812aca | 520 | return ((struct drv_context *)(di->context))->instances; |
1c3d002b MH |
521 | } |
522 | ||
523 | static void dev_clear_private(struct dev_context* devc) | |
524 | { | |
525 | int ch_idx; | |
526 | ||
527 | /* Free channel_status.info (list only, data owned by sdi). */ | |
528 | for (ch_idx = 0; ch_idx < devc->model->num_channels; ch_idx++) | |
529 | g_slist_free(devc->channel_status[ch_idx].info); | |
530 | ||
531 | g_timer_destroy(devc->elapsed_msec); | |
532 | } | |
533 | ||
4f840ce9 | 534 | static int dev_clear_lps301(const struct sr_dev_driver *di) |
1c3d002b | 535 | { |
4f840ce9 | 536 | return std_dev_clear(di, (std_dev_clear_callback)dev_clear_private); |
1c3d002b MH |
537 | } |
538 | ||
4f840ce9 | 539 | static int cleanup(const struct sr_dev_driver *di) |
1c3d002b | 540 | { |
4f840ce9 | 541 | return dev_clear_lps301(di); |
1c3d002b MH |
542 | } |
543 | ||
584560f1 | 544 | static int config_get(uint32_t key, GVariant **data, const struct sr_dev_inst *sdi, |
41b7bd01 MH |
545 | const struct sr_channel_group *cg) |
546 | { | |
1c3d002b MH |
547 | struct dev_context *devc; |
548 | struct sr_channel *ch; | |
549 | int ch_idx; | |
550 | ||
551 | if (!sdi) | |
552 | return SR_ERR_ARG; | |
553 | ||
554 | devc = sdi->priv; | |
555 | ||
556 | if (!cg) { | |
557 | /* No channel group: global options. */ | |
558 | switch (key) { | |
559 | case SR_CONF_LIMIT_SAMPLES: | |
560 | *data = g_variant_new_uint64(devc->limit_samples); | |
561 | break; | |
562 | case SR_CONF_LIMIT_MSEC: | |
563 | *data = g_variant_new_uint64(devc->limit_msec); | |
564 | break; | |
7a0b98b5 | 565 | case SR_CONF_CHANNEL_CONFIG: |
1c3d002b MH |
566 | *data = g_variant_new_string(channel_modes[devc->tracking_mode]); |
567 | break; | |
568 | default: | |
569 | return SR_ERR_NA; | |
570 | } | |
571 | } else { | |
572 | /* We only ever have one channel per channel group in this driver. */ | |
573 | ch = cg->channels->data; | |
574 | ch_idx = ch->index; | |
575 | switch (key) { | |
7a0b98b5 | 576 | case SR_CONF_VOLTAGE: |
1c3d002b MH |
577 | *data = g_variant_new_double(devc->channel_status[ch_idx].output_voltage_last); |
578 | break; | |
7a0b98b5 | 579 | case SR_CONF_VOLTAGE_TARGET: |
1c3d002b MH |
580 | *data = g_variant_new_double(devc->channel_status[ch_idx].output_voltage_max); |
581 | break; | |
7a0b98b5 | 582 | case SR_CONF_CURRENT: |
1c3d002b MH |
583 | *data = g_variant_new_double(devc->channel_status[ch_idx].output_current_last); |
584 | break; | |
7a0b98b5 | 585 | case SR_CONF_CURRENT_LIMIT: |
1c3d002b MH |
586 | *data = g_variant_new_double(devc->channel_status[ch_idx].output_current_max); |
587 | break; | |
7a0b98b5 | 588 | case SR_CONF_ENABLED: |
1c3d002b MH |
589 | *data = g_variant_new_boolean(devc->channel_status[ch_idx].output_enabled); |
590 | break; | |
591 | default: | |
592 | return SR_ERR_NA; | |
593 | } | |
594 | } | |
41b7bd01 | 595 | |
1c3d002b MH |
596 | return SR_OK; |
597 | } | |
598 | ||
584560f1 | 599 | static int config_set(uint32_t key, GVariant *data, const struct sr_dev_inst *sdi, |
1c3d002b MH |
600 | const struct sr_channel_group *cg) |
601 | { | |
602 | struct dev_context *devc; | |
603 | struct sr_channel *ch; | |
604 | gdouble dval; | |
605 | int ch_idx; | |
606 | const char *sval; | |
607 | gboolean bval; | |
608 | int idx; | |
609 | gboolean found; | |
41b7bd01 MH |
610 | |
611 | if (sdi->status != SR_ST_ACTIVE) | |
612 | return SR_ERR_DEV_CLOSED; | |
613 | ||
1c3d002b MH |
614 | devc = sdi->priv; |
615 | ||
419bfb50 | 616 | /* Cannot change settings while acquisition active, would cause a mess with commands. |
1c3d002b MH |
617 | * Changing this would be possible, but tricky. */ |
618 | if (devc->acq_running) | |
619 | return SR_ERR_NA; | |
620 | ||
621 | if (!cg) { | |
622 | /* No channel group: global options. */ | |
623 | switch (key) { | |
624 | case SR_CONF_LIMIT_MSEC: | |
1c3d002b | 625 | devc->limit_msec = g_variant_get_uint64(data); |
1c3d002b MH |
626 | break; |
627 | case SR_CONF_LIMIT_SAMPLES: | |
628 | devc->limit_samples = g_variant_get_uint64(data); | |
1c3d002b | 629 | break; |
7a0b98b5 | 630 | case SR_CONF_CHANNEL_CONFIG: |
1c3d002b MH |
631 | sval = g_variant_get_string(data, NULL); |
632 | found = FALSE; | |
dcd438ee | 633 | for (idx = 0; idx < (int)ARRAY_SIZE(channel_modes); idx++) { |
1c3d002b MH |
634 | if (!strcmp(sval, channel_modes[idx])) { |
635 | found = TRUE; | |
636 | if (devc->tracking_mode == idx) | |
637 | break; /* Nothing to do! */ | |
638 | devc->tracking_mode = idx; | |
639 | if (devc->model->modelid >= LPS_304) /* No use to set anything in the smaller models. */ | |
640 | return lps_cmd_ok(sdi->conn, "TRACK%1d", devc->tracking_mode); | |
641 | } | |
642 | if (devc->model->modelid <= LPS_303) /* Only first setting possible for smaller models. */ | |
643 | break; | |
644 | } | |
dcd438ee | 645 | if (!found) |
1c3d002b | 646 | return SR_ERR_ARG; |
1c3d002b MH |
647 | break; |
648 | default: | |
649 | return SR_ERR_NA; | |
650 | } | |
651 | } else { | |
652 | /* Channel group specified: per-channel options. */ | |
653 | /* We only ever have one channel per channel group in this driver. */ | |
654 | ch = cg->channels->data; | |
655 | ch_idx = ch->index; | |
656 | ||
657 | switch (key) { | |
7a0b98b5 | 658 | case SR_CONF_VOLTAGE_TARGET: |
1c3d002b MH |
659 | dval = g_variant_get_double(data); |
660 | if (dval < 0 || dval > devc->model->channels[ch_idx].voltage[1]) | |
661 | return SR_ERR_ARG; | |
662 | if (ch_idx == 2) { | |
663 | if (devc->model->modelid < LPS_304) | |
664 | return SR_ERR_ARG; | |
665 | ||
666 | if (fabs(dval - 5.000) <= 0.001) | |
667 | dval = 5.0; | |
668 | else if ((devc->model->modelid >= LPS_305) && (fabs(dval - 3.300) <= 0.001)) | |
669 | dval = 3.3; | |
670 | else return SR_ERR_ARG; | |
671 | } | |
672 | ||
673 | devc->channel_status[ch_idx].output_voltage_max = dval; | |
674 | if (ch_idx == 2) | |
675 | return lps_cmd_ok(sdi->conn, "VDD%1.0f", trunc(dval)); | |
676 | else | |
677 | return lps_cmd_ok(sdi->conn, "VSET%d %05.3f", ch_idx+1, dval); | |
678 | break; | |
7a0b98b5 | 679 | case SR_CONF_CURRENT_LIMIT: |
1c3d002b MH |
680 | dval = g_variant_get_double(data); |
681 | if (dval < 0 || dval > devc->model->channels[ch_idx].current[1]) | |
682 | return SR_ERR_ARG; | |
683 | if (ch_idx == 2) /* No current setting for CH3. */ | |
684 | return SR_ERR_NA; | |
685 | devc->channel_status[ch_idx].output_current_max = dval; | |
686 | return lps_cmd_ok(sdi->conn, "ISET%d %05.4f", ch_idx+1, dval); | |
687 | break; | |
7a0b98b5 | 688 | case SR_CONF_ENABLED: |
1c3d002b MH |
689 | bval = g_variant_get_boolean(data); |
690 | if (bval == devc->channel_status[ch_idx].output_enabled) /* Nothing to do. */ | |
691 | break; | |
692 | devc->channel_status[ch_idx].output_enabled = bval; | |
693 | if (ch_idx != 2) { /* Channels 1,2 can be set only together. */ | |
694 | devc->channel_status[ch_idx^1].output_enabled = bval; | |
695 | return lps_cmd_ok(sdi->conn, "OUT%1d", (int)bval); | |
696 | } else { /* Channel 3: No command to disable output, set voltage to 0 instead. */ | |
697 | if (bval) | |
698 | return lps_cmd_ok(sdi->conn, "VDD%1.0f", devc->channel_status[ch_idx].output_voltage_max); | |
699 | else | |
700 | return lps_cmd_ok(sdi->conn, "VDD0"); | |
701 | } | |
702 | break; | |
703 | default: | |
704 | return SR_ERR_NA; | |
705 | } | |
41b7bd01 MH |
706 | } |
707 | ||
1c3d002b | 708 | return SR_OK; |
41b7bd01 MH |
709 | } |
710 | ||
584560f1 | 711 | static int config_list(uint32_t key, GVariant **data, const struct sr_dev_inst *sdi, |
41b7bd01 MH |
712 | const struct sr_channel_group *cg) |
713 | { | |
1c3d002b MH |
714 | struct dev_context *devc; |
715 | struct sr_channel *ch; | |
716 | int ch_idx, i; | |
717 | GVariant *gvar; | |
718 | GVariantBuilder gvb; | |
41b7bd01 | 719 | |
1c3d002b | 720 | /* Driver options, no device instance necessary. */ |
41b7bd01 | 721 | switch (key) { |
1c3d002b | 722 | case SR_CONF_SCAN_OPTIONS: |
584560f1 | 723 | *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32, |
dcd438ee | 724 | scanopts, ARRAY_SIZE(scanopts), sizeof(uint32_t)); |
1c3d002b | 725 | return SR_OK; |
413f1944 AJ |
726 | case SR_CONF_DEVICE_OPTIONS: |
727 | if (sdi != NULL) | |
728 | break; | |
729 | *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32, | |
dcd438ee | 730 | drvopts, ARRAY_SIZE(drvopts), sizeof(uint32_t)); |
413f1944 | 731 | return SR_OK; |
1c3d002b | 732 | default: |
dcd438ee | 733 | if (!sdi) |
1c3d002b | 734 | return SR_ERR_ARG; |
1c3d002b | 735 | devc = sdi->priv; |
dcd438ee | 736 | break; |
1c3d002b MH |
737 | } |
738 | ||
584560f1 | 739 | /* Device options, independent from channel groups. */ |
0c5f2abc | 740 | if (!cg) { |
1c3d002b MH |
741 | switch (key) { |
742 | case SR_CONF_DEVICE_OPTIONS: | |
584560f1 | 743 | *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32, |
f254bc4b | 744 | devopts, ARRAY_SIZE(devopts), sizeof(uint32_t)); |
1c3d002b | 745 | return SR_OK; |
7a0b98b5 | 746 | case SR_CONF_CHANNEL_CONFIG: |
1c3d002b MH |
747 | if (devc->model->modelid <= LPS_303) { |
748 | /* The 1-channel models. */ | |
749 | *data = g_variant_new_strv(channel_modes, 1); | |
750 | } else { | |
751 | /* The other models support all modes. */ | |
752 | *data = g_variant_new_strv(channel_modes, ARRAY_SIZE(channel_modes)); | |
753 | } | |
754 | return SR_OK; | |
1c3d002b MH |
755 | default: |
756 | return SR_ERR_NA; | |
757 | } | |
758 | } | |
759 | ||
760 | /* Device options, depending on channel groups. */ | |
761 | ch = cg->channels->data; | |
762 | ch_idx = ch->index; | |
763 | switch (key) { | |
764 | case SR_CONF_DEVICE_OPTIONS: | |
765 | if ((ch_idx == 0) || (ch_idx == 1)) /* CH1, CH2 */ | |
584560f1 | 766 | *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32, |
f254bc4b | 767 | devopts_ch12, ARRAY_SIZE(devopts_ch12), sizeof(uint32_t)); |
1c3d002b | 768 | else /* Must be CH3 */ |
584560f1 | 769 | *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32, |
f254bc4b | 770 | devopts_ch3, ARRAY_SIZE(devopts_ch3), sizeof(uint32_t)); |
1c3d002b | 771 | break; |
7a0b98b5 | 772 | case SR_CONF_VOLTAGE_TARGET: |
1c3d002b MH |
773 | g_variant_builder_init(&gvb, G_VARIANT_TYPE_ARRAY); |
774 | /* Min, max, step. */ | |
775 | for (i = 0; i < 3; i++) { | |
776 | gvar = g_variant_new_double(devc->model->channels[ch_idx].voltage[i]); | |
777 | g_variant_builder_add_value(&gvb, gvar); | |
778 | } | |
779 | *data = g_variant_builder_end(&gvb); | |
780 | break; | |
7a0b98b5 | 781 | case SR_CONF_CURRENT_LIMIT: |
1c3d002b MH |
782 | g_variant_builder_init(&gvb, G_VARIANT_TYPE_ARRAY); |
783 | /* Min, max, step. */ | |
784 | for (i = 0; i < 3; i++) { | |
785 | gvar = g_variant_new_double(devc->model->channels[ch_idx].current[i]); | |
786 | g_variant_builder_add_value(&gvb, gvar); | |
787 | } | |
788 | *data = g_variant_builder_end(&gvb); | |
789 | break; | |
41b7bd01 MH |
790 | default: |
791 | return SR_ERR_NA; | |
792 | } | |
793 | ||
1c3d002b | 794 | return SR_OK; |
41b7bd01 MH |
795 | } |
796 | ||
797 | static int dev_acquisition_start(const struct sr_dev_inst *sdi, | |
798 | void *cb_data) | |
799 | { | |
1c3d002b MH |
800 | struct dev_context *devc; |
801 | struct sr_serial_dev_inst *serial; | |
41b7bd01 MH |
802 | |
803 | if (sdi->status != SR_ST_ACTIVE) | |
804 | return SR_ERR_DEV_CLOSED; | |
805 | ||
1c3d002b MH |
806 | devc = sdi->priv; |
807 | ||
808 | devc->acq_running = TRUE; | |
809 | ||
810 | serial = sdi->conn; | |
102f1239 BV |
811 | serial_source_add(sdi->session, serial, G_IO_IN, 50, |
812 | motech_lps_30x_receive_data, (void *)sdi); | |
1c3d002b MH |
813 | std_session_send_df_header(cb_data, LOG_PREFIX); |
814 | ||
815 | /* Start timer, if required. */ | |
816 | if (devc->limit_msec) | |
817 | g_timer_start(devc->elapsed_msec); | |
818 | ||
819 | devc->acq_req = AQ_NONE; | |
820 | /* Do not start polling device here, the read function will do it in 50 ms. */ | |
41b7bd01 MH |
821 | |
822 | return SR_OK; | |
823 | } | |
824 | ||
825 | static int dev_acquisition_stop(struct sr_dev_inst *sdi, void *cb_data) | |
826 | { | |
1c3d002b | 827 | struct dev_context *devc; |
41b7bd01 | 828 | |
1c3d002b MH |
829 | /* Stop timer, if required. */ |
830 | if (sdi && (devc = sdi->priv) && devc->limit_msec) | |
831 | g_timer_stop(devc->elapsed_msec); | |
41b7bd01 | 832 | |
1c3d002b MH |
833 | return std_serial_dev_acquisition_stop(sdi, cb_data, std_serial_dev_close, |
834 | sdi->conn, LOG_PREFIX); | |
41b7bd01 MH |
835 | } |
836 | ||
837 | SR_PRIV struct sr_dev_driver motech_lps_301_driver_info = { | |
838 | .name = "motech-lps-301", | |
839 | .longname = "Motech LPS-301", | |
840 | .api_version = 1, | |
1c3d002b | 841 | .init = init_lps301, |
41b7bd01 | 842 | .cleanup = cleanup, |
1c3d002b MH |
843 | .scan = scan_lps301, |
844 | .dev_list = dev_list_lps301, | |
845 | .dev_clear = dev_clear_lps301, | |
41b7bd01 MH |
846 | .config_get = config_get, |
847 | .config_set = config_set, | |
848 | .config_list = config_list, | |
1c3d002b MH |
849 | .dev_open = std_serial_dev_open, |
850 | .dev_close = std_serial_dev_close, | |
41b7bd01 MH |
851 | .dev_acquisition_start = dev_acquisition_start, |
852 | .dev_acquisition_stop = dev_acquisition_stop, | |
41812aca | 853 | .context = NULL, |
41b7bd01 | 854 | }; |