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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 | ||
a0e0bb41 | 35 | static const uint32_t scanopts[] = { |
1c3d002b MH |
36 | SR_CONF_CONN, |
37 | SR_CONF_SERIALCOMM, | |
38 | }; | |
39 | ||
55fb76b3 | 40 | static const uint32_t drvopts[] = { |
55fb76b3 UH |
41 | SR_CONF_POWER_SUPPLY, |
42 | }; | |
43 | ||
f254bc4b | 44 | static const uint32_t devopts[] = { |
1c3d002b | 45 | SR_CONF_CONTINUOUS, |
5827f61b BV |
46 | SR_CONF_LIMIT_SAMPLES | SR_CONF_GET | SR_CONF_SET, |
47 | SR_CONF_LIMIT_MSEC | SR_CONF_GET | SR_CONF_SET, | |
7a0b98b5 | 48 | SR_CONF_CHANNEL_CONFIG | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST, |
1c3d002b MH |
49 | }; |
50 | ||
51 | /** Hardware capabilities channel 1, 2. */ | |
6b82c3e5 | 52 | static const uint32_t devopts_cg_ch12[] = { |
7a0b98b5 AJ |
53 | SR_CONF_VOLTAGE | SR_CONF_GET, |
54 | SR_CONF_VOLTAGE_TARGET | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST, | |
55 | SR_CONF_CURRENT | SR_CONF_GET, | |
56 | SR_CONF_CURRENT_LIMIT | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST, | |
57 | SR_CONF_ENABLED | SR_CONF_GET | SR_CONF_SET, | |
1c3d002b MH |
58 | }; |
59 | ||
ca314e06 | 60 | /** Hardware capabilities channel 3 (LPS-304/305 only). */ |
6b82c3e5 | 61 | static const uint32_t devopts_cg_ch3[] = { |
7a0b98b5 AJ |
62 | SR_CONF_VOLTAGE | SR_CONF_GET, |
63 | SR_CONF_ENABLED | SR_CONF_GET | SR_CONF_SET, | |
1c3d002b MH |
64 | }; |
65 | ||
66 | static const char *channel_modes[] = { | |
67 | "Independent", | |
68 | "Track1", | |
69 | "Track2", | |
70 | }; | |
71 | ||
329733d9 | 72 | static const struct lps_modelspec models[] = { |
1c3d002b MH |
73 | { LPS_UNKNOWN, "Dummy", 0, |
74 | { | |
75 | ||
76 | } | |
77 | }, | |
78 | { LPS_301, "LPS-301", 1, | |
79 | { | |
80 | /* Channel 1 */ | |
81 | { { 0, 32, 0.01 }, { 0.005, 2, 0.001 } }, | |
82 | }, | |
83 | }, | |
84 | { LPS_302, "LPS-302", 1, | |
85 | { | |
86 | /* Channel 1 */ | |
87 | { { 0, 32, 0.01 }, { 0.005, 3, 0.001 } }, | |
88 | }, | |
89 | }, | |
90 | { LPS_303, "LPS-303", 1, | |
91 | { | |
92 | /* Channel 1 */ | |
93 | { { 0, 32, 0.01 }, { 0.005, 3, 0.001 } }, | |
94 | }, | |
95 | }, | |
96 | { LPS_304, "LPS-304", 3, | |
97 | { | |
98 | /* Channel 1 */ | |
99 | { { 0, 32, 0.01 }, { 0.005, 3, 0.001 } }, | |
100 | /* Channel 2 */ | |
101 | { { 0, 32, 0.01 }, { 0.005, 3, 0.001 } }, | |
102 | /* Channel 3 */ | |
103 | { { 5, 5, 0.0 }, { 0.005, 3, 0.001 } }, | |
104 | }, | |
105 | }, | |
106 | { LPS_305, "LPS-305", 3, | |
107 | { | |
108 | /* Channel 1 */ | |
109 | { { 0, 32, 0.01 }, { 0.005, 3, 0.001 } }, | |
110 | /* Channel 2 */ | |
111 | { { 0, 32, 0.01 }, { 0.005, 3, 0.001 } }, | |
112 | /* Channel 3 */ | |
113 | { { 3.3, 5, 1.7 }, { 0.005, 3, 0.001 } }, | |
114 | }, | |
115 | }, | |
116 | }; | |
41b7bd01 | 117 | |
ca314e06 | 118 | /** Send command to device with va_list. */ |
c442ffda | 119 | SR_PRIV int lps_send_va(struct sr_serial_dev_inst *serial, const char *fmt, va_list args) |
41b7bd01 | 120 | { |
1c3d002b MH |
121 | int retc; |
122 | char auxfmt[LINELEN_MAX]; | |
123 | char buf[LINELEN_MAX]; | |
41b7bd01 | 124 | |
1c3d002b MH |
125 | snprintf(auxfmt, sizeof(auxfmt), "%s\r\n", fmt); |
126 | vsnprintf(buf, sizeof(buf), auxfmt, args); | |
41b7bd01 | 127 | |
1c3d002b | 128 | sr_spew("lps_send_va: \"%s\"", buf); |
41b7bd01 | 129 | |
1a65c5e8 UH |
130 | retc = serial_write_blocking(serial, buf, strlen(buf), |
131 | serial_timeout(serial, strlen(buf))); | |
41b7bd01 | 132 | |
1c3d002b MH |
133 | if (retc < 0) |
134 | return SR_ERR; | |
135 | ||
136 | return SR_OK; | |
41b7bd01 MH |
137 | } |
138 | ||
ca314e06 | 139 | /** Send command to device. */ |
c442ffda | 140 | SR_PRIV int lps_send_req(struct sr_serial_dev_inst *serial, const char *fmt, ...) |
41b7bd01 | 141 | { |
1c3d002b MH |
142 | int retc; |
143 | va_list args; | |
144 | ||
145 | va_start(args, fmt); | |
146 | retc = lps_send_va(serial, fmt, args); | |
147 | va_end(args); | |
148 | ||
149 | return retc; | |
41b7bd01 MH |
150 | } |
151 | ||
1c3d002b | 152 | /** Send command and consume simple OK reply. */ |
c442ffda | 153 | SR_PRIV int lps_cmd_ok(struct sr_serial_dev_inst *serial, const char *fmt, ...) |
41b7bd01 | 154 | { |
1c3d002b MH |
155 | int retc; |
156 | va_list args; | |
157 | char buf[LINELEN_MAX]; | |
c442ffda | 158 | char *bufptr; |
d9251a2c | 159 | int buflen; |
1c3d002b MH |
160 | |
161 | /* Send command */ | |
162 | va_start(args, fmt); | |
163 | retc = lps_send_va(serial, fmt, args); | |
164 | va_end(args); | |
165 | ||
166 | if (retc != SR_OK) | |
167 | return SR_ERR; | |
168 | ||
169 | /* Read reply */ | |
170 | buf[0] = '\0'; | |
171 | bufptr = buf; | |
172 | buflen = sizeof(buf); | |
173 | retc = lps_read_reply(serial, &bufptr, &buflen); | |
174 | if ((retc == SR_OK) && (buflen == 0)) | |
175 | return SR_OK; | |
176 | ||
177 | return SR_ERR; | |
41b7bd01 MH |
178 | } |
179 | ||
d9251a2c UH |
180 | /** |
181 | * Send command and read reply string. | |
182 | * @param reply Pointer to buffer of size LINELEN_MAX. Will be NUL-terminated. | |
1c3d002b | 183 | */ |
c442ffda | 184 | SR_PRIV int lps_cmd_reply(char *reply, struct sr_serial_dev_inst *serial, const char *fmt, ...) |
41b7bd01 | 185 | { |
1c3d002b MH |
186 | int retc; |
187 | va_list args; | |
188 | char buf[LINELEN_MAX]; | |
c442ffda | 189 | char *bufptr; |
d9251a2c | 190 | int buflen; |
1c3d002b MH |
191 | |
192 | reply[0] = '\0'; | |
193 | ||
194 | /* Send command */ | |
195 | va_start(args, fmt); | |
196 | retc = lps_send_va(serial, fmt, args); | |
197 | va_end(args); | |
198 | ||
199 | if (retc != SR_OK) | |
200 | return SR_ERR; | |
201 | ||
202 | /* Read reply */ | |
203 | buf[0] = '\0'; | |
204 | bufptr = buf; | |
205 | buflen = sizeof(buf); | |
206 | retc = lps_read_reply(serial, &bufptr, &buflen); | |
207 | if ((retc == SR_OK) && (buflen > 0)) { | |
208 | strcpy(reply, buf); | |
209 | return SR_OK; | |
210 | } | |
41b7bd01 | 211 | |
1c3d002b MH |
212 | return SR_ERR; |
213 | } | |
41b7bd01 | 214 | |
1c3d002b | 215 | /** Process integer value returned by STATUS command. */ |
c442ffda | 216 | SR_PRIV int lps_process_status(struct sr_dev_inst *sdi, int stat) |
1c3d002b | 217 | { |
c442ffda | 218 | struct dev_context *devc; |
1c3d002b MH |
219 | int tracking_mode; |
220 | ||
c50805d5 | 221 | devc = sdi->priv; |
1c3d002b MH |
222 | |
223 | sr_spew("Status: %d", stat); | |
224 | devc->channel_status[0].cc_mode = (stat & 0x01) != 0; | |
225 | sr_spew("Channel 1 %s mode", devc->channel_status[0].cc_mode?"CC":"CV"); | |
226 | if (devc->model->num_channels > 1) { | |
227 | devc->channel_status[1].cc_mode = (stat & 0x02) != 0; | |
228 | sr_spew("Channel 2 %s mode", devc->channel_status[1].cc_mode?"CC":"CV"); | |
229 | ||
230 | tracking_mode = (stat & 0x0c) >> 2; | |
231 | switch (tracking_mode) { | |
232 | case 0: devc->tracking_mode = 0; | |
233 | break; | |
234 | case 2: devc->tracking_mode = 1; | |
235 | break; | |
236 | case 3: devc->tracking_mode = 2; | |
237 | break; | |
238 | default: | |
239 | sr_err("Illegal channel tracking mode %d!", tracking_mode); | |
240 | devc->tracking_mode = 0; | |
241 | break; | |
242 | } | |
243 | ||
244 | sr_spew("Channel tracking: %d", devc->tracking_mode); | |
245 | } | |
246 | devc->channel_status[0].output_enabled = devc->channel_status[1].output_enabled = stat&0x040?TRUE:FALSE; | |
247 | sr_spew("Channel 1%s output: %s", devc->model->num_channels > 1?"+2":"", devc->channel_status[0].output_enabled?"ON":"OFF"); | |
248 | if (devc->model->num_channels > 2) { | |
249 | devc->channel_status[2].output_enabled = stat&0x010?TRUE:FALSE; | |
250 | devc->channel_status[2].output_voltage_last = stat&0x020?3.3:5; | |
251 | sr_spew("Channel 3 output: %s, U=%02f V, overload=%d", | |
252 | devc->channel_status[2].output_enabled?"ON":"OFF", | |
253 | devc->channel_status[2].output_voltage_last, | |
254 | stat&0x080?1:0); | |
255 | } | |
256 | sr_spew("Fan=%d, beep=%d, CC output compensated=%d", stat&0x0100?1:0, stat&0x0200?1:0, stat&0x0400?1:0); | |
41b7bd01 MH |
257 | |
258 | return SR_OK; | |
259 | } | |
260 | ||
1c3d002b | 261 | /** Send STATUS commend and process status string. */ |
c442ffda | 262 | SR_PRIV int lps_query_status(struct sr_dev_inst *sdi) |
41b7bd01 | 263 | { |
1c3d002b | 264 | char buf[LINELEN_MAX]; |
8d522801 | 265 | int stat, ret; |
c442ffda | 266 | struct dev_context *devc; |
41b7bd01 | 267 | |
c50805d5 | 268 | devc = sdi->priv; |
41b7bd01 | 269 | |
1c3d002b | 270 | devc->req_sent_at = g_get_real_time(); |
41b7bd01 | 271 | |
8d522801 UH |
272 | if ((ret = lps_cmd_reply(buf, sdi->conn, "STATUS")) < 0) { |
273 | sr_err("%s: Failed to read status: %s.", __func__, | |
274 | sr_strerror(ret)); | |
1c3d002b MH |
275 | return SR_ERR; |
276 | } | |
277 | ||
1f7da0c2 | 278 | if (sr_atoi(buf, &stat) != SR_OK) |
1c3d002b MH |
279 | return SR_ERR; |
280 | ||
281 | return lps_process_status(sdi, stat); | |
41b7bd01 MH |
282 | } |
283 | ||
1c3d002b | 284 | static gint64 calc_timeout_ms(gint64 start_us) |
41b7bd01 | 285 | { |
1c3d002b | 286 | gint64 result = REQ_TIMEOUT_MS - ((g_get_real_time() - start_us) / 1000); |
41b7bd01 | 287 | |
1c3d002b MH |
288 | if (result < 0) |
289 | return 0; | |
41b7bd01 | 290 | |
1c3d002b | 291 | return result; |
41b7bd01 MH |
292 | } |
293 | ||
d9251a2c UH |
294 | /** |
295 | * Read message into buf until "OK" received. | |
296 | * | |
297 | * @retval SR_OK Msg received; buf and buflen contain result, if any except OK. | |
298 | * @retval SR_ERR Error, including timeout. | |
1c3d002b MH |
299 | */ |
300 | SR_PRIV int lps_read_reply(struct sr_serial_dev_inst *serial, char **buf, int *buflen) | |
41b7bd01 | 301 | { |
1c3d002b MH |
302 | int retries; |
303 | char buf2[LINELEN_MAX]; | |
304 | char *buf2ptr; | |
305 | int buf2len; | |
306 | gint64 timeout_start; | |
307 | ||
308 | *buf[0] = '\0'; | |
309 | ||
310 | /* Read one line. It is either a data message or "OK". */ | |
311 | timeout_start = g_get_real_time(); | |
312 | buf2len = *buflen; | |
313 | /* Up to 5 tries because serial_readline() will consume only one CR or LF per | |
314 | * call, but device sends up to 4 in a row. */ | |
315 | for (retries = 0; retries < 5; retries++) { | |
316 | *buflen = buf2len; | |
317 | if (serial_readline(serial, buf, buflen, calc_timeout_ms(timeout_start)) != SR_OK) | |
318 | return SR_ERR; | |
319 | if (!strcmp(*buf, "OK")) { /* We got an OK! */ | |
320 | *buf[0] = '\0'; | |
321 | *buflen = 0; | |
322 | return SR_OK; | |
323 | } | |
324 | if (*buflen > 0) /* We got a msg! */ | |
325 | break; | |
326 | } | |
41b7bd01 | 327 | |
1c3d002b MH |
328 | /* A data msg is in buf (possibly ERROR), need to consume "OK". */ |
329 | buf2[0] = '\0'; | |
330 | buf2ptr = buf2; | |
331 | for (retries = 0; retries < 5; retries++) { | |
332 | buf2len = sizeof(buf2); | |
333 | if (serial_readline(serial, &buf2ptr, &buf2len, calc_timeout_ms(timeout_start)) != SR_OK) | |
334 | return SR_ERR; | |
335 | ||
336 | if (!strcmp(buf2ptr, "OK")) { /* We got an OK! */ | |
337 | if (!strcmp(*buf, "ERROR")) { /* OK came after msg ERROR! */ | |
338 | sr_spew("ERROR found!"); | |
339 | *buf[0] = '\0'; | |
340 | *buflen = 0; | |
341 | return SR_ERR; | |
342 | } | |
343 | return SR_OK; | |
344 | } | |
345 | } | |
41b7bd01 | 346 | |
1c3d002b MH |
347 | return SR_ERR; /* Timeout! */ |
348 | } | |
349 | ||
ca314e06 | 350 | /** Scan for LPS-300 series device. */ |
1f7da0c2 | 351 | static GSList *do_scan(lps_modelid modelid, struct sr_dev_driver *drv, GSList *options) |
1c3d002b MH |
352 | { |
353 | struct sr_dev_inst *sdi; | |
1c3d002b MH |
354 | struct dev_context *devc; |
355 | struct sr_serial_dev_inst *serial; | |
356 | struct sr_channel *ch; | |
357 | struct sr_channel_group *cg; | |
1c3d002b | 358 | const char *conn, *serialcomm; |
8d522801 | 359 | int cnt, ret; |
0af636be | 360 | gchar buf[LINELEN_MAX]; |
1c3d002b | 361 | gchar channel[10]; |
0af636be | 362 | char *verstr; |
1c3d002b MH |
363 | |
364 | sdi = NULL; | |
365 | devc = NULL; | |
1c3d002b | 366 | |
1c3d002b | 367 | /* Process and check options. */ |
6b4bdfbd GS |
368 | conn = NULL; |
369 | serialcomm = SERIALCOMM; | |
1c3d002b MH |
370 | if (sr_serial_extract_options(options, &conn, &serialcomm) != SR_OK) |
371 | return NULL; | |
1c3d002b MH |
372 | |
373 | /* Init serial port. */ | |
91219afc | 374 | serial = sr_serial_dev_inst_new(conn, serialcomm); |
1c3d002b | 375 | |
5b980134 | 376 | if (serial_open(serial, SERIAL_RDWR) != SR_OK) |
1c3d002b MH |
377 | goto exit_err; |
378 | ||
379 | /* Query and verify model string. */ | |
1c3d002b MH |
380 | if (lps_cmd_reply(buf, serial, "MODEL") != SR_OK) |
381 | return NULL; | |
382 | ||
383 | /* Check model string. */ | |
384 | if (strncmp(buf, "LPS-", 4)) { | |
385 | sr_spew("Unknown model code \"%s\"!", buf); | |
386 | return NULL; | |
387 | } | |
388 | ||
389 | /* Bug in device FW 1.17, model number is empty, so this can't work with this FW! */ | |
390 | if (modelid == LPS_UNKNOWN) { | |
391 | g_strstrip(buf); | |
392 | for (cnt = LPS_301; cnt <= LPS_305; cnt++) { | |
393 | if (!strcmp(buf, models[cnt].modelstr)) { | |
394 | modelid = cnt; | |
395 | break; | |
396 | } | |
397 | } | |
398 | if (modelid == LPS_UNKNOWN) { | |
399 | sr_err("Unable to detect model from model string '%s'!", buf); | |
400 | return NULL; | |
401 | } | |
41b7bd01 MH |
402 | } |
403 | ||
1c3d002b MH |
404 | /* Query version */ |
405 | verstr = NULL; | |
8d522801 | 406 | if ((ret = lps_cmd_reply(buf, serial, "VERSION")) == SR_OK) { |
1c3d002b MH |
407 | if (strncmp(buf, "Ver-", 4)) { |
408 | sr_spew("Version string %s not recognized.", buf); | |
409 | goto exit_err; | |
410 | } | |
411 | ||
1c3d002b MH |
412 | g_strstrip(buf); |
413 | verstr = buf + 4; | |
414 | } | |
d9251a2c | 415 | else /* Bug in device FW 1.17: Querying version string fails while output is active. |
1c3d002b | 416 | Therefore just print an error message, but do not exit with error. */ |
8d522801 UH |
417 | sr_err("Failed to query for hardware version: %s.", |
418 | sr_strerror(ret)); | |
1c3d002b | 419 | |
aac29cc1 | 420 | sdi = g_malloc0(sizeof(struct sr_dev_inst)); |
0af636be | 421 | sdi->status = SR_ST_INACTIVE; |
b15ff1c9 | 422 | sdi->vendor = g_strdup("Motech"); |
0af636be UH |
423 | sdi->model = g_strdup(models[modelid].modelstr); |
424 | sdi->version = g_strdup(verstr); | |
1c3d002b MH |
425 | sdi->inst_type = SR_INST_SERIAL; |
426 | sdi->conn = serial; | |
427 | ||
428 | devc = g_malloc0(sizeof(struct dev_context)); | |
8aafc5e6 | 429 | sr_sw_limits_init(&devc->limits); |
1c3d002b | 430 | devc->model = &models[modelid]; |
1c3d002b MH |
431 | |
432 | sdi->priv = devc; | |
433 | ||
434 | /* Setup channels and channel groups. */ | |
435 | for (cnt = 0; cnt < models[modelid].num_channels; cnt++) { | |
436 | snprintf(channel, sizeof(channel), "CH%d", cnt + 1); | |
5e23fcab | 437 | ch = sr_channel_new(sdi, cnt, SR_CHANNEL_ANALOG, TRUE, channel); |
1c3d002b MH |
438 | |
439 | devc->channel_status[cnt].info = g_slist_append(NULL, ch); | |
440 | ||
07182332 | 441 | snprintf(channel, sizeof(channel), "CG%d", cnt + 1); |
d810901a | 442 | cg = sr_channel_group_new(sdi, channel, NULL); |
1c3d002b | 443 | cg->channels = g_slist_append(NULL, ch); |
1c3d002b MH |
444 | } |
445 | ||
1c3d002b MH |
446 | /* Query status */ |
447 | if (lps_query_status(sdi) != SR_OK) | |
448 | goto exit_err; | |
449 | ||
450 | serial_close(serial); | |
1c3d002b | 451 | |
43376f33 | 452 | return std_scan_complete(drv, g_slist_append(NULL, sdi)); |
1c3d002b MH |
453 | |
454 | exit_err: | |
455 | sr_info("%s: Error!", __func__); | |
456 | ||
04891a99 | 457 | if (serial) |
1c3d002b | 458 | serial_close(serial); |
04891a99 | 459 | sr_serial_dev_inst_free(serial); |
b1f83103 | 460 | g_free(devc); |
4bf93988 | 461 | sr_dev_inst_free(sdi); |
1c3d002b MH |
462 | |
463 | return NULL; | |
41b7bd01 MH |
464 | } |
465 | ||
1c3d002b | 466 | /** Scan for LPS-301 device. */ |
4f840ce9 | 467 | static GSList *scan_lps301(struct sr_dev_driver *di, GSList *options) |
1c3d002b | 468 | { |
4f840ce9 | 469 | return do_scan(LPS_301, di, options); |
1c3d002b MH |
470 | } |
471 | ||
53279f13 | 472 | static void clear_helper(struct dev_context *devc) |
1c3d002b MH |
473 | { |
474 | int ch_idx; | |
475 | ||
476 | /* Free channel_status.info (list only, data owned by sdi). */ | |
477 | for (ch_idx = 0; ch_idx < devc->model->num_channels; ch_idx++) | |
478 | g_slist_free(devc->channel_status[ch_idx].info); | |
1c3d002b MH |
479 | } |
480 | ||
53279f13 | 481 | static int dev_clear(const struct sr_dev_driver *di) |
1c3d002b | 482 | { |
53279f13 | 483 | return std_dev_clear_with_callback(di, (std_dev_clear_callback)clear_helper); |
1c3d002b MH |
484 | } |
485 | ||
dd7a72ea UH |
486 | static int config_get(uint32_t key, GVariant **data, |
487 | const struct sr_dev_inst *sdi, const struct sr_channel_group *cg) | |
41b7bd01 | 488 | { |
1c3d002b MH |
489 | struct dev_context *devc; |
490 | struct sr_channel *ch; | |
491 | int ch_idx; | |
492 | ||
493 | if (!sdi) | |
494 | return SR_ERR_ARG; | |
495 | ||
496 | devc = sdi->priv; | |
497 | ||
498 | if (!cg) { | |
1c3d002b MH |
499 | switch (key) { |
500 | case SR_CONF_LIMIT_SAMPLES: | |
1c3d002b | 501 | case SR_CONF_LIMIT_MSEC: |
8aafc5e6 | 502 | return sr_sw_limits_config_get(&devc->limits, key, data); |
7a0b98b5 | 503 | case SR_CONF_CHANNEL_CONFIG: |
1c3d002b MH |
504 | *data = g_variant_new_string(channel_modes[devc->tracking_mode]); |
505 | break; | |
506 | default: | |
507 | return SR_ERR_NA; | |
508 | } | |
509 | } else { | |
510 | /* We only ever have one channel per channel group in this driver. */ | |
511 | ch = cg->channels->data; | |
512 | ch_idx = ch->index; | |
ca314e06 | 513 | |
1c3d002b | 514 | switch (key) { |
7a0b98b5 | 515 | case SR_CONF_VOLTAGE: |
1c3d002b MH |
516 | *data = g_variant_new_double(devc->channel_status[ch_idx].output_voltage_last); |
517 | break; | |
7a0b98b5 | 518 | case SR_CONF_VOLTAGE_TARGET: |
1c3d002b MH |
519 | *data = g_variant_new_double(devc->channel_status[ch_idx].output_voltage_max); |
520 | break; | |
7a0b98b5 | 521 | case SR_CONF_CURRENT: |
1c3d002b MH |
522 | *data = g_variant_new_double(devc->channel_status[ch_idx].output_current_last); |
523 | break; | |
7a0b98b5 | 524 | case SR_CONF_CURRENT_LIMIT: |
1c3d002b MH |
525 | *data = g_variant_new_double(devc->channel_status[ch_idx].output_current_max); |
526 | break; | |
7a0b98b5 | 527 | case SR_CONF_ENABLED: |
1c3d002b MH |
528 | *data = g_variant_new_boolean(devc->channel_status[ch_idx].output_enabled); |
529 | break; | |
530 | default: | |
531 | return SR_ERR_NA; | |
532 | } | |
533 | } | |
41b7bd01 | 534 | |
1c3d002b MH |
535 | return SR_OK; |
536 | } | |
537 | ||
dd7a72ea UH |
538 | static int config_set(uint32_t key, GVariant *data, |
539 | const struct sr_dev_inst *sdi, const struct sr_channel_group *cg) | |
1c3d002b MH |
540 | { |
541 | struct dev_context *devc; | |
542 | struct sr_channel *ch; | |
543 | gdouble dval; | |
544 | int ch_idx; | |
1c3d002b MH |
545 | gboolean bval; |
546 | int idx; | |
41b7bd01 | 547 | |
1c3d002b MH |
548 | devc = sdi->priv; |
549 | ||
419bfb50 | 550 | /* Cannot change settings while acquisition active, would cause a mess with commands. |
1c3d002b MH |
551 | * Changing this would be possible, but tricky. */ |
552 | if (devc->acq_running) | |
553 | return SR_ERR_NA; | |
554 | ||
555 | if (!cg) { | |
1c3d002b MH |
556 | switch (key) { |
557 | case SR_CONF_LIMIT_MSEC: | |
1c3d002b | 558 | case SR_CONF_LIMIT_SAMPLES: |
8aafc5e6 | 559 | return sr_sw_limits_config_set(&devc->limits, key, data); |
7a0b98b5 | 560 | case SR_CONF_CHANNEL_CONFIG: |
697fb6dd | 561 | if ((idx = std_str_idx(data, ARRAY_AND_SIZE(channel_modes))) < 0) |
1c3d002b | 562 | return SR_ERR_ARG; |
697fb6dd UH |
563 | if (devc->model->modelid <= LPS_303 && idx != 0) |
564 | break; /* Only first setting possible for smaller models. */ | |
565 | if (devc->tracking_mode == idx) | |
566 | break; /* Nothing to do! */ | |
567 | devc->tracking_mode = idx; | |
568 | if (devc->model->modelid >= LPS_304) /* No use to set anything in the smaller models. */ | |
569 | return lps_cmd_ok(sdi->conn, "TRACK%1d", devc->tracking_mode); | |
1c3d002b MH |
570 | break; |
571 | default: | |
572 | return SR_ERR_NA; | |
573 | } | |
574 | } else { | |
1c3d002b MH |
575 | /* We only ever have one channel per channel group in this driver. */ |
576 | ch = cg->channels->data; | |
577 | ch_idx = ch->index; | |
578 | ||
579 | switch (key) { | |
7a0b98b5 | 580 | case SR_CONF_VOLTAGE_TARGET: |
1c3d002b MH |
581 | dval = g_variant_get_double(data); |
582 | if (dval < 0 || dval > devc->model->channels[ch_idx].voltage[1]) | |
583 | return SR_ERR_ARG; | |
584 | if (ch_idx == 2) { | |
585 | if (devc->model->modelid < LPS_304) | |
586 | return SR_ERR_ARG; | |
587 | ||
588 | if (fabs(dval - 5.000) <= 0.001) | |
589 | dval = 5.0; | |
590 | else if ((devc->model->modelid >= LPS_305) && (fabs(dval - 3.300) <= 0.001)) | |
591 | dval = 3.3; | |
592 | else return SR_ERR_ARG; | |
593 | } | |
594 | ||
595 | devc->channel_status[ch_idx].output_voltage_max = dval; | |
596 | if (ch_idx == 2) | |
597 | return lps_cmd_ok(sdi->conn, "VDD%1.0f", trunc(dval)); | |
598 | else | |
599 | return lps_cmd_ok(sdi->conn, "VSET%d %05.3f", ch_idx+1, dval); | |
600 | break; | |
7a0b98b5 | 601 | case SR_CONF_CURRENT_LIMIT: |
1c3d002b MH |
602 | dval = g_variant_get_double(data); |
603 | if (dval < 0 || dval > devc->model->channels[ch_idx].current[1]) | |
604 | return SR_ERR_ARG; | |
605 | if (ch_idx == 2) /* No current setting for CH3. */ | |
606 | return SR_ERR_NA; | |
607 | devc->channel_status[ch_idx].output_current_max = dval; | |
608 | return lps_cmd_ok(sdi->conn, "ISET%d %05.4f", ch_idx+1, dval); | |
7a0b98b5 | 609 | case SR_CONF_ENABLED: |
1c3d002b MH |
610 | bval = g_variant_get_boolean(data); |
611 | if (bval == devc->channel_status[ch_idx].output_enabled) /* Nothing to do. */ | |
612 | break; | |
613 | devc->channel_status[ch_idx].output_enabled = bval; | |
614 | if (ch_idx != 2) { /* Channels 1,2 can be set only together. */ | |
615 | devc->channel_status[ch_idx^1].output_enabled = bval; | |
616 | return lps_cmd_ok(sdi->conn, "OUT%1d", (int)bval); | |
617 | } else { /* Channel 3: No command to disable output, set voltage to 0 instead. */ | |
618 | if (bval) | |
619 | return lps_cmd_ok(sdi->conn, "VDD%1.0f", devc->channel_status[ch_idx].output_voltage_max); | |
620 | else | |
621 | return lps_cmd_ok(sdi->conn, "VDD0"); | |
622 | } | |
623 | break; | |
624 | default: | |
625 | return SR_ERR_NA; | |
626 | } | |
41b7bd01 MH |
627 | } |
628 | ||
1c3d002b | 629 | return SR_OK; |
41b7bd01 MH |
630 | } |
631 | ||
dd7a72ea UH |
632 | static int config_list(uint32_t key, GVariant **data, |
633 | const struct sr_dev_inst *sdi, const struct sr_channel_group *cg) | |
41b7bd01 | 634 | { |
1c3d002b MH |
635 | struct dev_context *devc; |
636 | struct sr_channel *ch; | |
54d471f4 | 637 | int ch_idx; |
41b7bd01 | 638 | |
e66d1892 | 639 | devc = (sdi) ? sdi->priv : NULL; |
1c3d002b | 640 | |
0c5f2abc | 641 | if (!cg) { |
1c3d002b | 642 | switch (key) { |
e66d1892 | 643 | case SR_CONF_SCAN_OPTIONS: |
1c3d002b | 644 | case SR_CONF_DEVICE_OPTIONS: |
e66d1892 | 645 | return STD_CONFIG_LIST(key, data, sdi, cg, scanopts, drvopts, devopts); |
7a0b98b5 | 646 | case SR_CONF_CHANNEL_CONFIG: |
e4924d75 GS |
647 | if (!devc || !devc->model) |
648 | return SR_ERR_ARG; | |
1c3d002b MH |
649 | if (devc->model->modelid <= LPS_303) { |
650 | /* The 1-channel models. */ | |
651 | *data = g_variant_new_strv(channel_modes, 1); | |
652 | } else { | |
653 | /* The other models support all modes. */ | |
53012da6 | 654 | *data = g_variant_new_strv(ARRAY_AND_SIZE(channel_modes)); |
1c3d002b MH |
655 | } |
656 | return SR_OK; | |
1c3d002b MH |
657 | default: |
658 | return SR_ERR_NA; | |
659 | } | |
660 | } | |
661 | ||
ca314e06 | 662 | /* We only ever have one channel per channel group in this driver. */ |
1c3d002b MH |
663 | ch = cg->channels->data; |
664 | ch_idx = ch->index; | |
ca314e06 | 665 | |
1c3d002b MH |
666 | switch (key) { |
667 | case SR_CONF_DEVICE_OPTIONS: | |
668 | if ((ch_idx == 0) || (ch_idx == 1)) /* CH1, CH2 */ | |
53012da6 | 669 | *data = std_gvar_array_u32(ARRAY_AND_SIZE(devopts_cg_ch12)); |
1c3d002b | 670 | else /* Must be CH3 */ |
53012da6 | 671 | *data = std_gvar_array_u32(ARRAY_AND_SIZE(devopts_cg_ch3)); |
1c3d002b | 672 | break; |
7a0b98b5 | 673 | case SR_CONF_VOLTAGE_TARGET: |
e4924d75 GS |
674 | if (!devc || !devc->model) |
675 | return SR_ERR_ARG; | |
54d471f4 | 676 | *data = std_gvar_min_max_step_array(devc->model->channels[ch_idx].voltage); |
1c3d002b | 677 | break; |
7a0b98b5 | 678 | case SR_CONF_CURRENT_LIMIT: |
e4924d75 GS |
679 | if (!devc || !devc->model) |
680 | return SR_ERR_ARG; | |
54d471f4 | 681 | *data = std_gvar_min_max_step_array(devc->model->channels[ch_idx].current); |
1c3d002b | 682 | break; |
41b7bd01 MH |
683 | default: |
684 | return SR_ERR_NA; | |
685 | } | |
686 | ||
1c3d002b | 687 | return SR_OK; |
41b7bd01 MH |
688 | } |
689 | ||
695dc859 | 690 | static int dev_acquisition_start(const struct sr_dev_inst *sdi) |
41b7bd01 | 691 | { |
1c3d002b MH |
692 | struct dev_context *devc; |
693 | struct sr_serial_dev_inst *serial; | |
41b7bd01 | 694 | |
1c3d002b MH |
695 | devc = sdi->priv; |
696 | ||
697 | devc->acq_running = TRUE; | |
698 | ||
699 | serial = sdi->conn; | |
102f1239 BV |
700 | serial_source_add(sdi->session, serial, G_IO_IN, 50, |
701 | motech_lps_30x_receive_data, (void *)sdi); | |
bee2b016 | 702 | std_session_send_df_header(sdi); |
1c3d002b | 703 | |
8aafc5e6 | 704 | sr_sw_limits_acquisition_start(&devc->limits); |
1c3d002b MH |
705 | |
706 | devc->acq_req = AQ_NONE; | |
707 | /* Do not start polling device here, the read function will do it in 50 ms. */ | |
41b7bd01 MH |
708 | |
709 | return SR_OK; | |
710 | } | |
711 | ||
dd5c48a6 | 712 | static struct sr_dev_driver motech_lps_301_driver_info = { |
41b7bd01 MH |
713 | .name = "motech-lps-301", |
714 | .longname = "Motech LPS-301", | |
715 | .api_version = 1, | |
c2fdcc25 | 716 | .init = std_init, |
700d6b64 | 717 | .cleanup = std_cleanup, |
1c3d002b | 718 | .scan = scan_lps301, |
c01bf34c | 719 | .dev_list = std_dev_list, |
53279f13 | 720 | .dev_clear = dev_clear, |
41b7bd01 MH |
721 | .config_get = config_get, |
722 | .config_set = config_set, | |
723 | .config_list = config_list, | |
1c3d002b MH |
724 | .dev_open = std_serial_dev_open, |
725 | .dev_close = std_serial_dev_close, | |
41b7bd01 | 726 | .dev_acquisition_start = dev_acquisition_start, |
4b1a9d5d | 727 | .dev_acquisition_stop = std_serial_dev_acquisition_stop, |
41812aca | 728 | .context = NULL, |
41b7bd01 | 729 | }; |
dd5c48a6 | 730 | SR_REGISTER_DEV_DRIVER(motech_lps_301_driver_info); |