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Commit | Line | Data |
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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 | ||
6ec6c43b | 21 | #include <config.h> |
1c3d002b | 22 | #include <ctype.h> |
1c3d002b MH |
23 | #include <math.h> |
24 | #include <string.h> | |
41b7bd01 | 25 | #include "protocol.h" |
05199c0a | 26 | |
1c3d002b | 27 | SR_PRIV int lps_read_reply(struct sr_serial_dev_inst *serial, char **buf, int *buflen); |
c442ffda UH |
28 | SR_PRIV int lps_send_va(struct sr_serial_dev_inst *serial, const char *fmt, va_list args); |
29 | SR_PRIV int lps_cmd_ok(struct sr_serial_dev_inst *serial, const char *fmt, ...); | |
30 | SR_PRIV int lps_cmd_reply(char *reply, struct sr_serial_dev_inst *serial, const char *fmt, ...); | |
31 | SR_PRIV int lps_query_status(struct sr_dev_inst *sdi); | |
1c3d002b | 32 | |
1c3d002b MH |
33 | #define SERIALCOMM "2400/8n1/dtr=1/rts=1/flow=0" |
34 | ||
35 | #define VENDOR_MOTECH "Motech" | |
36 | ||
a0e0bb41 | 37 | static const uint32_t scanopts[] = { |
1c3d002b MH |
38 | SR_CONF_CONN, |
39 | SR_CONF_SERIALCOMM, | |
40 | }; | |
41 | ||
55fb76b3 | 42 | static const uint32_t drvopts[] = { |
55fb76b3 UH |
43 | SR_CONF_POWER_SUPPLY, |
44 | }; | |
45 | ||
f254bc4b | 46 | static const uint32_t devopts[] = { |
1c3d002b | 47 | SR_CONF_CONTINUOUS, |
5827f61b BV |
48 | SR_CONF_LIMIT_SAMPLES | SR_CONF_GET | SR_CONF_SET, |
49 | SR_CONF_LIMIT_MSEC | SR_CONF_GET | SR_CONF_SET, | |
7a0b98b5 | 50 | SR_CONF_CHANNEL_CONFIG | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST, |
1c3d002b MH |
51 | }; |
52 | ||
53 | /** Hardware capabilities channel 1, 2. */ | |
6b82c3e5 | 54 | static const uint32_t devopts_cg_ch12[] = { |
7a0b98b5 AJ |
55 | SR_CONF_VOLTAGE | SR_CONF_GET, |
56 | SR_CONF_VOLTAGE_TARGET | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST, | |
57 | SR_CONF_CURRENT | SR_CONF_GET, | |
58 | SR_CONF_CURRENT_LIMIT | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST, | |
59 | SR_CONF_ENABLED | SR_CONF_GET | SR_CONF_SET, | |
1c3d002b MH |
60 | }; |
61 | ||
ca314e06 | 62 | /** Hardware capabilities channel 3 (LPS-304/305 only). */ |
6b82c3e5 | 63 | static const uint32_t devopts_cg_ch3[] = { |
7a0b98b5 AJ |
64 | SR_CONF_VOLTAGE | SR_CONF_GET, |
65 | SR_CONF_ENABLED | SR_CONF_GET | SR_CONF_SET, | |
1c3d002b MH |
66 | }; |
67 | ||
68 | static const char *channel_modes[] = { | |
69 | "Independent", | |
70 | "Track1", | |
71 | "Track2", | |
72 | }; | |
73 | ||
329733d9 | 74 | static const struct lps_modelspec models[] = { |
1c3d002b MH |
75 | { LPS_UNKNOWN, "Dummy", 0, |
76 | { | |
77 | ||
78 | } | |
79 | }, | |
80 | { LPS_301, "LPS-301", 1, | |
81 | { | |
82 | /* Channel 1 */ | |
83 | { { 0, 32, 0.01 }, { 0.005, 2, 0.001 } }, | |
84 | }, | |
85 | }, | |
86 | { LPS_302, "LPS-302", 1, | |
87 | { | |
88 | /* Channel 1 */ | |
89 | { { 0, 32, 0.01 }, { 0.005, 3, 0.001 } }, | |
90 | }, | |
91 | }, | |
92 | { LPS_303, "LPS-303", 1, | |
93 | { | |
94 | /* Channel 1 */ | |
95 | { { 0, 32, 0.01 }, { 0.005, 3, 0.001 } }, | |
96 | }, | |
97 | }, | |
98 | { LPS_304, "LPS-304", 3, | |
99 | { | |
100 | /* Channel 1 */ | |
101 | { { 0, 32, 0.01 }, { 0.005, 3, 0.001 } }, | |
102 | /* Channel 2 */ | |
103 | { { 0, 32, 0.01 }, { 0.005, 3, 0.001 } }, | |
104 | /* Channel 3 */ | |
105 | { { 5, 5, 0.0 }, { 0.005, 3, 0.001 } }, | |
106 | }, | |
107 | }, | |
108 | { LPS_305, "LPS-305", 3, | |
109 | { | |
110 | /* Channel 1 */ | |
111 | { { 0, 32, 0.01 }, { 0.005, 3, 0.001 } }, | |
112 | /* Channel 2 */ | |
113 | { { 0, 32, 0.01 }, { 0.005, 3, 0.001 } }, | |
114 | /* Channel 3 */ | |
115 | { { 3.3, 5, 1.7 }, { 0.005, 3, 0.001 } }, | |
116 | }, | |
117 | }, | |
118 | }; | |
41b7bd01 | 119 | |
ca314e06 | 120 | /** Send command to device with va_list. */ |
c442ffda | 121 | SR_PRIV int lps_send_va(struct sr_serial_dev_inst *serial, const char *fmt, va_list args) |
41b7bd01 | 122 | { |
1c3d002b MH |
123 | int retc; |
124 | char auxfmt[LINELEN_MAX]; | |
125 | char buf[LINELEN_MAX]; | |
41b7bd01 | 126 | |
1c3d002b MH |
127 | snprintf(auxfmt, sizeof(auxfmt), "%s\r\n", fmt); |
128 | vsnprintf(buf, sizeof(buf), auxfmt, args); | |
41b7bd01 | 129 | |
1c3d002b | 130 | sr_spew("lps_send_va: \"%s\"", buf); |
41b7bd01 | 131 | |
1a65c5e8 UH |
132 | retc = serial_write_blocking(serial, buf, strlen(buf), |
133 | serial_timeout(serial, strlen(buf))); | |
41b7bd01 | 134 | |
1c3d002b MH |
135 | if (retc < 0) |
136 | return SR_ERR; | |
137 | ||
138 | return SR_OK; | |
41b7bd01 MH |
139 | } |
140 | ||
ca314e06 | 141 | /** Send command to device. */ |
c442ffda | 142 | SR_PRIV int lps_send_req(struct sr_serial_dev_inst *serial, const char *fmt, ...) |
41b7bd01 | 143 | { |
1c3d002b MH |
144 | int retc; |
145 | va_list args; | |
146 | ||
147 | va_start(args, fmt); | |
148 | retc = lps_send_va(serial, fmt, args); | |
149 | va_end(args); | |
150 | ||
151 | return retc; | |
41b7bd01 MH |
152 | } |
153 | ||
1c3d002b | 154 | /** Send command and consume simple OK reply. */ |
c442ffda | 155 | SR_PRIV int lps_cmd_ok(struct sr_serial_dev_inst *serial, const char *fmt, ...) |
41b7bd01 | 156 | { |
1c3d002b MH |
157 | int retc; |
158 | va_list args; | |
159 | char buf[LINELEN_MAX]; | |
c442ffda | 160 | char *bufptr; |
d9251a2c | 161 | int buflen; |
1c3d002b MH |
162 | |
163 | /* Send command */ | |
164 | va_start(args, fmt); | |
165 | retc = lps_send_va(serial, fmt, args); | |
166 | va_end(args); | |
167 | ||
168 | if (retc != SR_OK) | |
169 | return SR_ERR; | |
170 | ||
171 | /* Read reply */ | |
172 | buf[0] = '\0'; | |
173 | bufptr = buf; | |
174 | buflen = sizeof(buf); | |
175 | retc = lps_read_reply(serial, &bufptr, &buflen); | |
176 | if ((retc == SR_OK) && (buflen == 0)) | |
177 | return SR_OK; | |
178 | ||
179 | return SR_ERR; | |
41b7bd01 MH |
180 | } |
181 | ||
d9251a2c UH |
182 | /** |
183 | * Send command and read reply string. | |
184 | * @param reply Pointer to buffer of size LINELEN_MAX. Will be NUL-terminated. | |
1c3d002b | 185 | */ |
c442ffda | 186 | SR_PRIV int lps_cmd_reply(char *reply, struct sr_serial_dev_inst *serial, const char *fmt, ...) |
41b7bd01 | 187 | { |
1c3d002b MH |
188 | int retc; |
189 | va_list args; | |
190 | char buf[LINELEN_MAX]; | |
c442ffda | 191 | char *bufptr; |
d9251a2c | 192 | int buflen; |
1c3d002b MH |
193 | |
194 | reply[0] = '\0'; | |
195 | ||
196 | /* Send command */ | |
197 | va_start(args, fmt); | |
198 | retc = lps_send_va(serial, fmt, args); | |
199 | va_end(args); | |
200 | ||
201 | if (retc != SR_OK) | |
202 | return SR_ERR; | |
203 | ||
204 | /* Read reply */ | |
205 | buf[0] = '\0'; | |
206 | bufptr = buf; | |
207 | buflen = sizeof(buf); | |
208 | retc = lps_read_reply(serial, &bufptr, &buflen); | |
209 | if ((retc == SR_OK) && (buflen > 0)) { | |
210 | strcpy(reply, buf); | |
211 | return SR_OK; | |
212 | } | |
41b7bd01 | 213 | |
1c3d002b MH |
214 | return SR_ERR; |
215 | } | |
41b7bd01 | 216 | |
1c3d002b | 217 | /** Process integer value returned by STATUS command. */ |
c442ffda | 218 | SR_PRIV int lps_process_status(struct sr_dev_inst *sdi, int stat) |
1c3d002b | 219 | { |
c442ffda | 220 | struct dev_context *devc; |
1c3d002b MH |
221 | int tracking_mode; |
222 | ||
c50805d5 | 223 | devc = sdi->priv; |
1c3d002b MH |
224 | |
225 | sr_spew("Status: %d", stat); | |
226 | devc->channel_status[0].cc_mode = (stat & 0x01) != 0; | |
227 | sr_spew("Channel 1 %s mode", devc->channel_status[0].cc_mode?"CC":"CV"); | |
228 | if (devc->model->num_channels > 1) { | |
229 | devc->channel_status[1].cc_mode = (stat & 0x02) != 0; | |
230 | sr_spew("Channel 2 %s mode", devc->channel_status[1].cc_mode?"CC":"CV"); | |
231 | ||
232 | tracking_mode = (stat & 0x0c) >> 2; | |
233 | switch (tracking_mode) { | |
234 | case 0: devc->tracking_mode = 0; | |
235 | break; | |
236 | case 2: devc->tracking_mode = 1; | |
237 | break; | |
238 | case 3: devc->tracking_mode = 2; | |
239 | break; | |
240 | default: | |
241 | sr_err("Illegal channel tracking mode %d!", tracking_mode); | |
242 | devc->tracking_mode = 0; | |
243 | break; | |
244 | } | |
245 | ||
246 | sr_spew("Channel tracking: %d", devc->tracking_mode); | |
247 | } | |
248 | devc->channel_status[0].output_enabled = devc->channel_status[1].output_enabled = stat&0x040?TRUE:FALSE; | |
249 | sr_spew("Channel 1%s output: %s", devc->model->num_channels > 1?"+2":"", devc->channel_status[0].output_enabled?"ON":"OFF"); | |
250 | if (devc->model->num_channels > 2) { | |
251 | devc->channel_status[2].output_enabled = stat&0x010?TRUE:FALSE; | |
252 | devc->channel_status[2].output_voltage_last = stat&0x020?3.3:5; | |
253 | sr_spew("Channel 3 output: %s, U=%02f V, overload=%d", | |
254 | devc->channel_status[2].output_enabled?"ON":"OFF", | |
255 | devc->channel_status[2].output_voltage_last, | |
256 | stat&0x080?1:0); | |
257 | } | |
258 | sr_spew("Fan=%d, beep=%d, CC output compensated=%d", stat&0x0100?1:0, stat&0x0200?1:0, stat&0x0400?1:0); | |
41b7bd01 MH |
259 | |
260 | return SR_OK; | |
261 | } | |
262 | ||
1c3d002b | 263 | /** Send STATUS commend and process status string. */ |
c442ffda | 264 | SR_PRIV int lps_query_status(struct sr_dev_inst *sdi) |
41b7bd01 | 265 | { |
1c3d002b | 266 | char buf[LINELEN_MAX]; |
8d522801 | 267 | int stat, ret; |
c442ffda | 268 | struct dev_context *devc; |
41b7bd01 | 269 | |
c50805d5 | 270 | devc = sdi->priv; |
41b7bd01 | 271 | |
1c3d002b | 272 | devc->req_sent_at = g_get_real_time(); |
41b7bd01 | 273 | |
8d522801 UH |
274 | if ((ret = lps_cmd_reply(buf, sdi->conn, "STATUS")) < 0) { |
275 | sr_err("%s: Failed to read status: %s.", __func__, | |
276 | sr_strerror(ret)); | |
1c3d002b MH |
277 | return SR_ERR; |
278 | } | |
279 | ||
1f7da0c2 | 280 | if (sr_atoi(buf, &stat) != SR_OK) |
1c3d002b MH |
281 | return SR_ERR; |
282 | ||
283 | return lps_process_status(sdi, stat); | |
41b7bd01 MH |
284 | } |
285 | ||
1c3d002b | 286 | static gint64 calc_timeout_ms(gint64 start_us) |
41b7bd01 | 287 | { |
1c3d002b | 288 | gint64 result = REQ_TIMEOUT_MS - ((g_get_real_time() - start_us) / 1000); |
41b7bd01 | 289 | |
1c3d002b MH |
290 | if (result < 0) |
291 | return 0; | |
41b7bd01 | 292 | |
1c3d002b | 293 | return result; |
41b7bd01 MH |
294 | } |
295 | ||
d9251a2c UH |
296 | /** |
297 | * Read message into buf until "OK" received. | |
298 | * | |
299 | * @retval SR_OK Msg received; buf and buflen contain result, if any except OK. | |
300 | * @retval SR_ERR Error, including timeout. | |
1c3d002b MH |
301 | */ |
302 | SR_PRIV int lps_read_reply(struct sr_serial_dev_inst *serial, char **buf, int *buflen) | |
41b7bd01 | 303 | { |
1c3d002b MH |
304 | int retries; |
305 | char buf2[LINELEN_MAX]; | |
306 | char *buf2ptr; | |
307 | int buf2len; | |
308 | gint64 timeout_start; | |
309 | ||
310 | *buf[0] = '\0'; | |
311 | ||
312 | /* Read one line. It is either a data message or "OK". */ | |
313 | timeout_start = g_get_real_time(); | |
314 | buf2len = *buflen; | |
315 | /* Up to 5 tries because serial_readline() will consume only one CR or LF per | |
316 | * call, but device sends up to 4 in a row. */ | |
317 | for (retries = 0; retries < 5; retries++) { | |
318 | *buflen = buf2len; | |
319 | if (serial_readline(serial, buf, buflen, calc_timeout_ms(timeout_start)) != SR_OK) | |
320 | return SR_ERR; | |
321 | if (!strcmp(*buf, "OK")) { /* We got an OK! */ | |
322 | *buf[0] = '\0'; | |
323 | *buflen = 0; | |
324 | return SR_OK; | |
325 | } | |
326 | if (*buflen > 0) /* We got a msg! */ | |
327 | break; | |
328 | } | |
41b7bd01 | 329 | |
1c3d002b MH |
330 | /* A data msg is in buf (possibly ERROR), need to consume "OK". */ |
331 | buf2[0] = '\0'; | |
332 | buf2ptr = buf2; | |
333 | for (retries = 0; retries < 5; retries++) { | |
334 | buf2len = sizeof(buf2); | |
335 | if (serial_readline(serial, &buf2ptr, &buf2len, calc_timeout_ms(timeout_start)) != SR_OK) | |
336 | return SR_ERR; | |
337 | ||
338 | if (!strcmp(buf2ptr, "OK")) { /* We got an OK! */ | |
339 | if (!strcmp(*buf, "ERROR")) { /* OK came after msg ERROR! */ | |
340 | sr_spew("ERROR found!"); | |
341 | *buf[0] = '\0'; | |
342 | *buflen = 0; | |
343 | return SR_ERR; | |
344 | } | |
345 | return SR_OK; | |
346 | } | |
347 | } | |
41b7bd01 | 348 | |
1c3d002b MH |
349 | return SR_ERR; /* Timeout! */ |
350 | } | |
351 | ||
ca314e06 | 352 | /** Scan for LPS-300 series device. */ |
1f7da0c2 | 353 | static GSList *do_scan(lps_modelid modelid, struct sr_dev_driver *drv, GSList *options) |
1c3d002b MH |
354 | { |
355 | struct sr_dev_inst *sdi; | |
1c3d002b MH |
356 | struct dev_context *devc; |
357 | struct sr_serial_dev_inst *serial; | |
358 | struct sr_channel *ch; | |
359 | struct sr_channel_group *cg; | |
1c3d002b | 360 | const char *conn, *serialcomm; |
8d522801 | 361 | int cnt, ret; |
0af636be | 362 | gchar buf[LINELEN_MAX]; |
1c3d002b | 363 | gchar channel[10]; |
0af636be | 364 | char *verstr; |
1c3d002b MH |
365 | |
366 | sdi = NULL; | |
367 | devc = NULL; | |
368 | conn = serialcomm = NULL; | |
1c3d002b | 369 | |
1c3d002b MH |
370 | /* Process and check options. */ |
371 | if (sr_serial_extract_options(options, &conn, &serialcomm) != SR_OK) | |
372 | return NULL; | |
373 | if (!serialcomm) | |
374 | serialcomm = SERIALCOMM; | |
375 | ||
376 | /* Init serial port. */ | |
91219afc | 377 | serial = sr_serial_dev_inst_new(conn, serialcomm); |
1c3d002b | 378 | |
5b980134 | 379 | if (serial_open(serial, SERIAL_RDWR) != SR_OK) |
1c3d002b MH |
380 | goto exit_err; |
381 | ||
382 | /* Query and verify model string. */ | |
383 | serial_flush(serial); | |
384 | if (lps_cmd_reply(buf, serial, "MODEL") != SR_OK) | |
385 | return NULL; | |
386 | ||
387 | /* Check model string. */ | |
388 | if (strncmp(buf, "LPS-", 4)) { | |
389 | sr_spew("Unknown model code \"%s\"!", buf); | |
390 | return NULL; | |
391 | } | |
392 | ||
393 | /* Bug in device FW 1.17, model number is empty, so this can't work with this FW! */ | |
394 | if (modelid == LPS_UNKNOWN) { | |
395 | g_strstrip(buf); | |
396 | for (cnt = LPS_301; cnt <= LPS_305; cnt++) { | |
397 | if (!strcmp(buf, models[cnt].modelstr)) { | |
398 | modelid = cnt; | |
399 | break; | |
400 | } | |
401 | } | |
402 | if (modelid == LPS_UNKNOWN) { | |
403 | sr_err("Unable to detect model from model string '%s'!", buf); | |
404 | return NULL; | |
405 | } | |
41b7bd01 MH |
406 | } |
407 | ||
1c3d002b MH |
408 | /* Query version */ |
409 | verstr = NULL; | |
8d522801 | 410 | if ((ret = lps_cmd_reply(buf, serial, "VERSION")) == SR_OK) { |
1c3d002b MH |
411 | if (strncmp(buf, "Ver-", 4)) { |
412 | sr_spew("Version string %s not recognized.", buf); | |
413 | goto exit_err; | |
414 | } | |
415 | ||
1c3d002b MH |
416 | g_strstrip(buf); |
417 | verstr = buf + 4; | |
418 | } | |
d9251a2c | 419 | else /* Bug in device FW 1.17: Querying version string fails while output is active. |
1c3d002b | 420 | Therefore just print an error message, but do not exit with error. */ |
8d522801 UH |
421 | sr_err("Failed to query for hardware version: %s.", |
422 | sr_strerror(ret)); | |
1c3d002b | 423 | |
aac29cc1 | 424 | sdi = g_malloc0(sizeof(struct sr_dev_inst)); |
0af636be UH |
425 | sdi->status = SR_ST_INACTIVE; |
426 | sdi->vendor = g_strdup(VENDOR_MOTECH); | |
427 | sdi->model = g_strdup(models[modelid].modelstr); | |
428 | sdi->version = g_strdup(verstr); | |
1c3d002b MH |
429 | sdi->inst_type = SR_INST_SERIAL; |
430 | sdi->conn = serial; | |
431 | ||
432 | devc = g_malloc0(sizeof(struct dev_context)); | |
8aafc5e6 | 433 | sr_sw_limits_init(&devc->limits); |
1c3d002b | 434 | devc->model = &models[modelid]; |
1c3d002b MH |
435 | |
436 | sdi->priv = devc; | |
437 | ||
438 | /* Setup channels and channel groups. */ | |
439 | for (cnt = 0; cnt < models[modelid].num_channels; cnt++) { | |
440 | snprintf(channel, sizeof(channel), "CH%d", cnt + 1); | |
5e23fcab | 441 | ch = sr_channel_new(sdi, cnt, SR_CHANNEL_ANALOG, TRUE, channel); |
1c3d002b MH |
442 | |
443 | devc->channel_status[cnt].info = g_slist_append(NULL, ch); | |
444 | ||
445 | cg = g_malloc(sizeof(struct sr_channel_group)); | |
446 | snprintf(channel, sizeof(channel), "CG%d", cnt+1); | |
447 | cg->name = g_strdup(channel); | |
448 | cg->priv = NULL; | |
449 | cg->channels = g_slist_append(NULL, ch); | |
450 | ||
451 | sdi->channel_groups = g_slist_append(sdi->channel_groups, cg); | |
452 | } | |
453 | ||
1c3d002b MH |
454 | /* Query status */ |
455 | if (lps_query_status(sdi) != SR_OK) | |
456 | goto exit_err; | |
457 | ||
458 | serial_close(serial); | |
1c3d002b | 459 | |
43376f33 | 460 | return std_scan_complete(drv, g_slist_append(NULL, sdi)); |
1c3d002b MH |
461 | |
462 | exit_err: | |
463 | sr_info("%s: Error!", __func__); | |
464 | ||
04891a99 | 465 | if (serial) |
1c3d002b | 466 | serial_close(serial); |
04891a99 | 467 | sr_serial_dev_inst_free(serial); |
b1f83103 | 468 | g_free(devc); |
4bf93988 | 469 | sr_dev_inst_free(sdi); |
1c3d002b MH |
470 | |
471 | return NULL; | |
41b7bd01 MH |
472 | } |
473 | ||
1c3d002b | 474 | /** Scan for LPS-301 device. */ |
4f840ce9 | 475 | static GSList *scan_lps301(struct sr_dev_driver *di, GSList *options) |
1c3d002b | 476 | { |
4f840ce9 | 477 | return do_scan(LPS_301, di, options); |
1c3d002b MH |
478 | } |
479 | ||
53279f13 | 480 | static void clear_helper(struct dev_context *devc) |
1c3d002b MH |
481 | { |
482 | int ch_idx; | |
483 | ||
484 | /* Free channel_status.info (list only, data owned by sdi). */ | |
485 | for (ch_idx = 0; ch_idx < devc->model->num_channels; ch_idx++) | |
486 | g_slist_free(devc->channel_status[ch_idx].info); | |
1c3d002b MH |
487 | } |
488 | ||
53279f13 | 489 | static int dev_clear(const struct sr_dev_driver *di) |
1c3d002b | 490 | { |
53279f13 | 491 | return std_dev_clear_with_callback(di, (std_dev_clear_callback)clear_helper); |
1c3d002b MH |
492 | } |
493 | ||
584560f1 | 494 | static int config_get(uint32_t key, GVariant **data, const struct sr_dev_inst *sdi, |
41b7bd01 MH |
495 | const struct sr_channel_group *cg) |
496 | { | |
1c3d002b MH |
497 | struct dev_context *devc; |
498 | struct sr_channel *ch; | |
499 | int ch_idx; | |
500 | ||
501 | if (!sdi) | |
502 | return SR_ERR_ARG; | |
503 | ||
504 | devc = sdi->priv; | |
505 | ||
506 | if (!cg) { | |
1c3d002b MH |
507 | switch (key) { |
508 | case SR_CONF_LIMIT_SAMPLES: | |
1c3d002b | 509 | case SR_CONF_LIMIT_MSEC: |
8aafc5e6 | 510 | return sr_sw_limits_config_get(&devc->limits, key, data); |
7a0b98b5 | 511 | case SR_CONF_CHANNEL_CONFIG: |
1c3d002b MH |
512 | *data = g_variant_new_string(channel_modes[devc->tracking_mode]); |
513 | break; | |
514 | default: | |
515 | return SR_ERR_NA; | |
516 | } | |
517 | } else { | |
518 | /* We only ever have one channel per channel group in this driver. */ | |
519 | ch = cg->channels->data; | |
520 | ch_idx = ch->index; | |
ca314e06 | 521 | |
1c3d002b | 522 | switch (key) { |
7a0b98b5 | 523 | case SR_CONF_VOLTAGE: |
1c3d002b MH |
524 | *data = g_variant_new_double(devc->channel_status[ch_idx].output_voltage_last); |
525 | break; | |
7a0b98b5 | 526 | case SR_CONF_VOLTAGE_TARGET: |
1c3d002b MH |
527 | *data = g_variant_new_double(devc->channel_status[ch_idx].output_voltage_max); |
528 | break; | |
7a0b98b5 | 529 | case SR_CONF_CURRENT: |
1c3d002b MH |
530 | *data = g_variant_new_double(devc->channel_status[ch_idx].output_current_last); |
531 | break; | |
7a0b98b5 | 532 | case SR_CONF_CURRENT_LIMIT: |
1c3d002b MH |
533 | *data = g_variant_new_double(devc->channel_status[ch_idx].output_current_max); |
534 | break; | |
7a0b98b5 | 535 | case SR_CONF_ENABLED: |
1c3d002b MH |
536 | *data = g_variant_new_boolean(devc->channel_status[ch_idx].output_enabled); |
537 | break; | |
538 | default: | |
539 | return SR_ERR_NA; | |
540 | } | |
541 | } | |
41b7bd01 | 542 | |
1c3d002b MH |
543 | return SR_OK; |
544 | } | |
545 | ||
584560f1 | 546 | static int config_set(uint32_t key, GVariant *data, const struct sr_dev_inst *sdi, |
1c3d002b MH |
547 | const struct sr_channel_group *cg) |
548 | { | |
549 | struct dev_context *devc; | |
550 | struct sr_channel *ch; | |
551 | gdouble dval; | |
552 | int ch_idx; | |
553 | const char *sval; | |
554 | gboolean bval; | |
555 | int idx; | |
556 | gboolean found; | |
41b7bd01 | 557 | |
1c3d002b MH |
558 | devc = sdi->priv; |
559 | ||
419bfb50 | 560 | /* Cannot change settings while acquisition active, would cause a mess with commands. |
1c3d002b MH |
561 | * Changing this would be possible, but tricky. */ |
562 | if (devc->acq_running) | |
563 | return SR_ERR_NA; | |
564 | ||
565 | if (!cg) { | |
1c3d002b MH |
566 | switch (key) { |
567 | case SR_CONF_LIMIT_MSEC: | |
1c3d002b | 568 | case SR_CONF_LIMIT_SAMPLES: |
8aafc5e6 | 569 | return sr_sw_limits_config_set(&devc->limits, key, data); |
7a0b98b5 | 570 | case SR_CONF_CHANNEL_CONFIG: |
1c3d002b MH |
571 | sval = g_variant_get_string(data, NULL); |
572 | found = FALSE; | |
dcd438ee | 573 | for (idx = 0; idx < (int)ARRAY_SIZE(channel_modes); idx++) { |
1c3d002b MH |
574 | if (!strcmp(sval, channel_modes[idx])) { |
575 | found = TRUE; | |
576 | if (devc->tracking_mode == idx) | |
577 | break; /* Nothing to do! */ | |
578 | devc->tracking_mode = idx; | |
579 | if (devc->model->modelid >= LPS_304) /* No use to set anything in the smaller models. */ | |
580 | return lps_cmd_ok(sdi->conn, "TRACK%1d", devc->tracking_mode); | |
581 | } | |
582 | if (devc->model->modelid <= LPS_303) /* Only first setting possible for smaller models. */ | |
583 | break; | |
584 | } | |
dcd438ee | 585 | if (!found) |
1c3d002b | 586 | return SR_ERR_ARG; |
1c3d002b MH |
587 | break; |
588 | default: | |
589 | return SR_ERR_NA; | |
590 | } | |
591 | } else { | |
1c3d002b MH |
592 | /* We only ever have one channel per channel group in this driver. */ |
593 | ch = cg->channels->data; | |
594 | ch_idx = ch->index; | |
595 | ||
596 | switch (key) { | |
7a0b98b5 | 597 | case SR_CONF_VOLTAGE_TARGET: |
1c3d002b MH |
598 | dval = g_variant_get_double(data); |
599 | if (dval < 0 || dval > devc->model->channels[ch_idx].voltage[1]) | |
600 | return SR_ERR_ARG; | |
601 | if (ch_idx == 2) { | |
602 | if (devc->model->modelid < LPS_304) | |
603 | return SR_ERR_ARG; | |
604 | ||
605 | if (fabs(dval - 5.000) <= 0.001) | |
606 | dval = 5.0; | |
607 | else if ((devc->model->modelid >= LPS_305) && (fabs(dval - 3.300) <= 0.001)) | |
608 | dval = 3.3; | |
609 | else return SR_ERR_ARG; | |
610 | } | |
611 | ||
612 | devc->channel_status[ch_idx].output_voltage_max = dval; | |
613 | if (ch_idx == 2) | |
614 | return lps_cmd_ok(sdi->conn, "VDD%1.0f", trunc(dval)); | |
615 | else | |
616 | return lps_cmd_ok(sdi->conn, "VSET%d %05.3f", ch_idx+1, dval); | |
617 | break; | |
7a0b98b5 | 618 | case SR_CONF_CURRENT_LIMIT: |
1c3d002b MH |
619 | dval = g_variant_get_double(data); |
620 | if (dval < 0 || dval > devc->model->channels[ch_idx].current[1]) | |
621 | return SR_ERR_ARG; | |
622 | if (ch_idx == 2) /* No current setting for CH3. */ | |
623 | return SR_ERR_NA; | |
624 | devc->channel_status[ch_idx].output_current_max = dval; | |
625 | return lps_cmd_ok(sdi->conn, "ISET%d %05.4f", ch_idx+1, dval); | |
626 | break; | |
7a0b98b5 | 627 | case SR_CONF_ENABLED: |
1c3d002b MH |
628 | bval = g_variant_get_boolean(data); |
629 | if (bval == devc->channel_status[ch_idx].output_enabled) /* Nothing to do. */ | |
630 | break; | |
631 | devc->channel_status[ch_idx].output_enabled = bval; | |
632 | if (ch_idx != 2) { /* Channels 1,2 can be set only together. */ | |
633 | devc->channel_status[ch_idx^1].output_enabled = bval; | |
634 | return lps_cmd_ok(sdi->conn, "OUT%1d", (int)bval); | |
635 | } else { /* Channel 3: No command to disable output, set voltage to 0 instead. */ | |
636 | if (bval) | |
637 | return lps_cmd_ok(sdi->conn, "VDD%1.0f", devc->channel_status[ch_idx].output_voltage_max); | |
638 | else | |
639 | return lps_cmd_ok(sdi->conn, "VDD0"); | |
640 | } | |
641 | break; | |
642 | default: | |
643 | return SR_ERR_NA; | |
644 | } | |
41b7bd01 MH |
645 | } |
646 | ||
1c3d002b | 647 | return SR_OK; |
41b7bd01 MH |
648 | } |
649 | ||
584560f1 | 650 | static int config_list(uint32_t key, GVariant **data, const struct sr_dev_inst *sdi, |
41b7bd01 MH |
651 | const struct sr_channel_group *cg) |
652 | { | |
1c3d002b MH |
653 | struct dev_context *devc; |
654 | struct sr_channel *ch; | |
655 | int ch_idx, i; | |
656 | GVariant *gvar; | |
657 | GVariantBuilder gvb; | |
41b7bd01 | 658 | |
e66d1892 | 659 | devc = (sdi) ? sdi->priv : NULL; |
1c3d002b | 660 | |
0c5f2abc | 661 | if (!cg) { |
1c3d002b | 662 | switch (key) { |
e66d1892 | 663 | case SR_CONF_SCAN_OPTIONS: |
1c3d002b | 664 | case SR_CONF_DEVICE_OPTIONS: |
e66d1892 | 665 | return STD_CONFIG_LIST(key, data, sdi, cg, scanopts, drvopts, devopts); |
7a0b98b5 | 666 | case SR_CONF_CHANNEL_CONFIG: |
1c3d002b MH |
667 | if (devc->model->modelid <= LPS_303) { |
668 | /* The 1-channel models. */ | |
669 | *data = g_variant_new_strv(channel_modes, 1); | |
670 | } else { | |
671 | /* The other models support all modes. */ | |
672 | *data = g_variant_new_strv(channel_modes, ARRAY_SIZE(channel_modes)); | |
673 | } | |
674 | return SR_OK; | |
1c3d002b MH |
675 | default: |
676 | return SR_ERR_NA; | |
677 | } | |
678 | } | |
679 | ||
ca314e06 | 680 | /* We only ever have one channel per channel group in this driver. */ |
1c3d002b MH |
681 | ch = cg->channels->data; |
682 | ch_idx = ch->index; | |
ca314e06 | 683 | |
1c3d002b MH |
684 | switch (key) { |
685 | case SR_CONF_DEVICE_OPTIONS: | |
686 | if ((ch_idx == 0) || (ch_idx == 1)) /* CH1, CH2 */ | |
584560f1 | 687 | *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32, |
6b82c3e5 | 688 | devopts_cg_ch12, ARRAY_SIZE(devopts_cg_ch12), sizeof(uint32_t)); |
1c3d002b | 689 | else /* Must be CH3 */ |
584560f1 | 690 | *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32, |
6b82c3e5 | 691 | devopts_cg_ch3, ARRAY_SIZE(devopts_cg_ch3), sizeof(uint32_t)); |
1c3d002b | 692 | break; |
7a0b98b5 | 693 | case SR_CONF_VOLTAGE_TARGET: |
1c3d002b MH |
694 | g_variant_builder_init(&gvb, G_VARIANT_TYPE_ARRAY); |
695 | /* Min, max, step. */ | |
696 | for (i = 0; i < 3; i++) { | |
697 | gvar = g_variant_new_double(devc->model->channels[ch_idx].voltage[i]); | |
698 | g_variant_builder_add_value(&gvb, gvar); | |
699 | } | |
700 | *data = g_variant_builder_end(&gvb); | |
701 | break; | |
7a0b98b5 | 702 | case SR_CONF_CURRENT_LIMIT: |
1c3d002b MH |
703 | g_variant_builder_init(&gvb, G_VARIANT_TYPE_ARRAY); |
704 | /* Min, max, step. */ | |
705 | for (i = 0; i < 3; i++) { | |
706 | gvar = g_variant_new_double(devc->model->channels[ch_idx].current[i]); | |
707 | g_variant_builder_add_value(&gvb, gvar); | |
708 | } | |
709 | *data = g_variant_builder_end(&gvb); | |
710 | break; | |
41b7bd01 MH |
711 | default: |
712 | return SR_ERR_NA; | |
713 | } | |
714 | ||
1c3d002b | 715 | return SR_OK; |
41b7bd01 MH |
716 | } |
717 | ||
695dc859 | 718 | static int dev_acquisition_start(const struct sr_dev_inst *sdi) |
41b7bd01 | 719 | { |
1c3d002b MH |
720 | struct dev_context *devc; |
721 | struct sr_serial_dev_inst *serial; | |
41b7bd01 | 722 | |
1c3d002b MH |
723 | devc = sdi->priv; |
724 | ||
725 | devc->acq_running = TRUE; | |
726 | ||
727 | serial = sdi->conn; | |
102f1239 BV |
728 | serial_source_add(sdi->session, serial, G_IO_IN, 50, |
729 | motech_lps_30x_receive_data, (void *)sdi); | |
bee2b016 | 730 | std_session_send_df_header(sdi); |
1c3d002b | 731 | |
8aafc5e6 | 732 | sr_sw_limits_acquisition_start(&devc->limits); |
1c3d002b MH |
733 | |
734 | devc->acq_req = AQ_NONE; | |
735 | /* Do not start polling device here, the read function will do it in 50 ms. */ | |
41b7bd01 MH |
736 | |
737 | return SR_OK; | |
738 | } | |
739 | ||
dd5c48a6 | 740 | static struct sr_dev_driver motech_lps_301_driver_info = { |
41b7bd01 MH |
741 | .name = "motech-lps-301", |
742 | .longname = "Motech LPS-301", | |
743 | .api_version = 1, | |
c2fdcc25 | 744 | .init = std_init, |
700d6b64 | 745 | .cleanup = std_cleanup, |
1c3d002b | 746 | .scan = scan_lps301, |
c01bf34c | 747 | .dev_list = std_dev_list, |
53279f13 | 748 | .dev_clear = dev_clear, |
41b7bd01 MH |
749 | .config_get = config_get, |
750 | .config_set = config_set, | |
751 | .config_list = config_list, | |
1c3d002b MH |
752 | .dev_open = std_serial_dev_open, |
753 | .dev_close = std_serial_dev_close, | |
41b7bd01 | 754 | .dev_acquisition_start = dev_acquisition_start, |
4b1a9d5d | 755 | .dev_acquisition_stop = std_serial_dev_acquisition_stop, |
41812aca | 756 | .context = NULL, |
41b7bd01 | 757 | }; |
dd5c48a6 | 758 | SR_REGISTER_DEV_DRIVER(motech_lps_301_driver_info); |