2 * This file is part of the libsigrok project.
4 * Copyright (C) 2015 Hannu Vuolasaho <vuokkosetae@gmail.com>
5 * Copyright (C) 2018-2019 Frank Stettner <frank-stettner@gmx.net>
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.
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.
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/>.
27 static const uint32_t scanopts[] = {
33 static const uint32_t drvopts[] = {
37 static const uint32_t devopts[] = {
38 SR_CONF_CONN | SR_CONF_GET,
40 SR_CONF_LIMIT_SAMPLES | SR_CONF_GET | SR_CONF_SET,
41 SR_CONF_LIMIT_MSEC | SR_CONF_GET | SR_CONF_SET,
42 SR_CONF_VOLTAGE | SR_CONF_GET,
43 SR_CONF_VOLTAGE_TARGET | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST,
44 SR_CONF_CURRENT | SR_CONF_GET,
45 SR_CONF_CURRENT_LIMIT | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST,
46 SR_CONF_ENABLED | SR_CONF_GET | SR_CONF_SET,
47 SR_CONF_REGULATION | SR_CONF_GET,
48 SR_CONF_OVER_CURRENT_PROTECTION_ENABLED | SR_CONF_GET | SR_CONF_SET,
49 SR_CONF_OVER_VOLTAGE_PROTECTION_ENABLED | SR_CONF_GET | SR_CONF_SET,
52 /* Voltage and current ranges. Values are: Min, max, step. */
53 static const double volts_30[] = { 0, 31, 0.01, };
54 static const double volts_60[] = { 0, 61, 0.01, };
55 static const double amps_3[] = { 0, 3.1, 0.001, };
56 static const double amps_5[] = { 0, 5.1, 0.001, };
58 static const struct korad_kaxxxxp_model models[] = {
59 /* Vendor, model name, ID reply, channels, voltage, current, quirks. */
60 {"Korad", "KA3005P", "", 1, volts_30, amps_5,
61 KORAD_QUIRK_ID_TRAILING},
62 {"Korad", "KD3005P", "", 1, volts_30, amps_5, 0},
63 {"Korad", "KD6005P", "", 1, volts_60, amps_5, 0},
64 {"RND", "KA3005P", "RND 320-KA3005P", 1, volts_30, amps_5,
65 KORAD_QUIRK_ID_OPT_VERSION},
66 {"RND", "KD3005P", "RND 320-KD3005P", 1, volts_30, amps_5,
67 KORAD_QUIRK_ID_OPT_VERSION},
68 {"Stamos Soldering", "S-LS-31", "", 1, volts_30, amps_5,
69 KORAD_QUIRK_ID_NO_VENDOR},
70 {"Tenma", "72-2535", "", 1, volts_30, amps_3, 0},
71 {"Tenma", "72-2540", "", 1, volts_30, amps_5, 0},
72 {"Tenma", "72-2550", "", 1, volts_60, amps_3, 0},
73 {"Tenma", "72-2710", "", 1, volts_30, amps_5, 0},
74 {"Velleman", "LABPS3005D", "", 1, volts_30, amps_5,
75 KORAD_QUIRK_LABPS_OVP_EN},
76 {"Velleman", "PS3005D", "", 1, volts_30, amps_5, 0},
81 * Bump this when adding new models[] above. Make sure the text buffer
82 * for the ID response can hold the longest sequence that we expect in
83 * the field which consists of: vendor + model [ + version ][ + serno ].
84 * Don't be too generous here, the maximum receive buffer size affects
85 * the timeout within which the first response character is expected.
87 static const size_t id_text_buffer_size = 48;
90 * Check whether the device's "*IDN?" response matches a supported model.
91 * The caller already stripped off the optional serial number.
93 static gboolean model_matches(const struct korad_kaxxxxp_model *model,
97 gboolean opt_version, skip_vendor, accept_trail;
104 * When the models[] entry contains a specific response text,
105 * then expect to see this very text in literal form. This
106 * lets the driver map weird and untypical responses to a
107 * specific set of display texts for vendor and model names.
108 * Accept an optionally trailing version if models[] says so.
110 if (model->id && model->id[0]) {
111 opt_version = model->quirks & KORAD_QUIRK_ID_OPT_VERSION;
113 matches = g_strcmp0(id_text, model->id) == 0;
116 sr_dbg("Matches expected ID text: '%s'.", model->id);
119 matches = g_str_has_prefix(id_text, model->id);
122 id_text += strlen(model->id);
123 while (isspace((int)*id_text))
125 if (*id_text == 'V') {
127 while (*id_text == '.' || isdigit((int)*id_text))
129 while (isspace((int)*id_text))
134 sr_dbg("Matches expected ID text [vers]: '%s'.", model->id);
139 * A more generic approach which covers most devices: Check
140 * for the very vendor and model names which also are shown
141 * to users (the display texts). Weakened to match responses
142 * more widely: Case insensitive checks, optional whitespace
143 * in responses, optional version details. Optional trailing
144 * garbage. Optional omission of the vendor name. Shall match
145 * all the devices which were individually listed in earlier
146 * implementations of the driver, and shall also match firmware
147 * versions that were not listed before.
149 skip_vendor = model->quirks & KORAD_QUIRK_ID_NO_VENDOR;
150 accept_trail = model->quirks & KORAD_QUIRK_ID_TRAILING;
152 want = model->vendor;
153 matches = g_ascii_strncasecmp(id_text, want, strlen(want)) == 0;
156 id_text += strlen(want);
157 while (isspace((int)*id_text))
161 matches = g_ascii_strncasecmp(id_text, want, strlen(want)) == 0;
164 id_text += strlen(want);
165 while (isspace((int)*id_text))
167 if (*id_text == 'V') {
168 /* TODO Isolate and (also) return version details? */
170 while (*id_text == '.' || isdigit((int)*id_text))
172 while (isspace((int)*id_text))
177 * TODO Determine how many non-printables to accept here
178 * and how strict to check for "known" garbage variants.
194 sr_dbg("Matches generic '[vendor] model [vers] [trail]' pattern.");
198 static GSList *scan(struct sr_dev_driver *di, GSList *options)
200 static const char *serno_prefix = " SN:";
202 struct dev_context *devc;
204 struct sr_dev_inst *sdi;
205 struct sr_config *src;
206 const char *conn, *serialcomm;
207 const char *force_detect;
208 struct sr_serial_dev_inst *serial;
212 const struct korad_kaxxxxp_model *model;
220 for (l = options; l; l = l->next) {
224 conn = g_variant_get_string(src->data, NULL);
226 case SR_CONF_SERIALCOMM:
227 serialcomm = g_variant_get_string(src->data, NULL);
229 case SR_CONF_FORCE_DETECT:
230 force_detect = g_variant_get_string(src->data, NULL);
233 sr_err("Unknown option %d, skipping.", src->key);
241 serialcomm = "9600/8n1";
242 if (force_detect && !*force_detect)
245 serial = sr_serial_dev_inst_new(conn, serialcomm);
246 if (serial_open(serial, SERIAL_RDWR) != SR_OK)
249 /* Communicate the identification request. */
250 len = id_text_buffer_size;
251 if (len > sizeof(reply) - 1)
252 len = sizeof(reply) - 1;
253 sr_dbg("Want max %zu bytes.", len);
255 ret = korad_kaxxxxp_send_cmd(serial, "*IDN?");
259 ret = korad_kaxxxxp_read_chars(serial, len, reply);
262 sr_dbg("Received: %d, %s", ret, reply);
265 * Isolate the optional serial number at the response's end.
266 * Lookup the response's model ID in the list of known models.
268 serno = g_strrstr(reply, serno_prefix);
271 serno += strlen(serno_prefix);
275 for (i = 0; models[i].name; i++) {
276 if (!model_matches(&models[i], reply))
281 if (!model && force_detect) {
282 sr_warn("Found unknown model ID '%s', trying '%s' spec.",
283 reply, force_detect);
284 for (i = 0; models[i].name; i++) {
285 if (!model_matches(&models[i], force_detect))
287 sr_info("Found replacement, using it instead.");
293 sr_err("Found unknown model ID '%s', aborting.", reply);
296 sr_dbg("Found: %s %s (idx %zu).", model->vendor, model->name,
299 sdi = g_malloc0(sizeof(struct sr_dev_inst));
300 sdi->status = SR_ST_INACTIVE;
301 sdi->vendor = g_strdup(model->vendor);
302 sdi->model = g_strdup(model->name);
304 sdi->serial_num = g_strdup(serno);
305 sdi->inst_type = SR_INST_SERIAL;
307 sdi->connection_id = g_strdup(conn);
309 sr_channel_new(sdi, 0, SR_CHANNEL_ANALOG, TRUE, "V");
310 sr_channel_new(sdi, 1, SR_CHANNEL_ANALOG, TRUE, "I");
312 devc = g_malloc0(sizeof(struct dev_context));
313 sr_sw_limits_init(&devc->limits);
314 g_mutex_init(&devc->rw_mutex);
316 devc->req_sent_at = 0;
317 devc->cc_mode_1_changed = FALSE;
318 devc->cc_mode_2_changed = FALSE;
319 devc->output_enabled_changed = FALSE;
320 devc->ocp_enabled_changed = FALSE;
321 devc->ovp_enabled_changed = FALSE;
324 /* Get current status of device. */
325 if (korad_kaxxxxp_get_all_values(serial, devc) < 0)
328 serial_close(serial);
330 return std_scan_complete(di, g_slist_append(NULL, sdi));
333 sr_dev_inst_free(sdi);
335 sr_dbg("Scan failed.");
340 static int config_get(uint32_t key, GVariant **data,
341 const struct sr_dev_inst *sdi, const struct sr_channel_group *cg)
343 struct dev_context *devc;
353 case SR_CONF_LIMIT_SAMPLES:
354 case SR_CONF_LIMIT_MSEC:
355 return sr_sw_limits_config_get(&devc->limits, key, data);
357 *data = g_variant_new_string(sdi->connection_id);
359 case SR_CONF_VOLTAGE:
360 korad_kaxxxxp_get_value(sdi->conn, KAXXXXP_VOLTAGE, devc);
361 *data = g_variant_new_double(devc->voltage);
363 case SR_CONF_VOLTAGE_TARGET:
364 korad_kaxxxxp_get_value(sdi->conn, KAXXXXP_VOLTAGE_TARGET, devc);
365 *data = g_variant_new_double(devc->voltage_target);
367 case SR_CONF_CURRENT:
368 korad_kaxxxxp_get_value(sdi->conn, KAXXXXP_CURRENT, devc);
369 *data = g_variant_new_double(devc->current);
371 case SR_CONF_CURRENT_LIMIT:
372 korad_kaxxxxp_get_value(sdi->conn, KAXXXXP_CURRENT_LIMIT, devc);
373 *data = g_variant_new_double(devc->current_limit);
375 case SR_CONF_ENABLED:
376 korad_kaxxxxp_get_value(sdi->conn, KAXXXXP_OUTPUT, devc);
377 *data = g_variant_new_boolean(devc->output_enabled);
379 case SR_CONF_REGULATION:
380 /* Dual channel not supported. */
381 korad_kaxxxxp_get_value(sdi->conn, KAXXXXP_STATUS, devc);
382 *data = g_variant_new_string((devc->cc_mode[0]) ? "CC" : "CV");
384 case SR_CONF_OVER_CURRENT_PROTECTION_ENABLED:
385 korad_kaxxxxp_get_value(sdi->conn, KAXXXXP_OCP, devc);
386 *data = g_variant_new_boolean(devc->ocp_enabled);
388 case SR_CONF_OVER_VOLTAGE_PROTECTION_ENABLED:
389 korad_kaxxxxp_get_value(sdi->conn, KAXXXXP_OVP, devc);
390 *data = g_variant_new_boolean(devc->ovp_enabled);
399 static int config_set(uint32_t key, GVariant *data,
400 const struct sr_dev_inst *sdi, const struct sr_channel_group *cg)
402 struct dev_context *devc;
411 case SR_CONF_LIMIT_MSEC:
412 case SR_CONF_LIMIT_SAMPLES:
413 return sr_sw_limits_config_set(&devc->limits, key, data);
414 case SR_CONF_VOLTAGE_TARGET:
415 dval = g_variant_get_double(data);
416 if (dval < devc->model->voltage[0] || dval > devc->model->voltage[1])
418 devc->set_voltage_target = dval;
419 if (korad_kaxxxxp_set_value(sdi->conn, KAXXXXP_VOLTAGE_TARGET, devc) < 0)
422 case SR_CONF_CURRENT_LIMIT:
423 dval = g_variant_get_double(data);
424 if (dval < devc->model->current[0] || dval > devc->model->current[1])
426 devc->set_current_limit = dval;
427 if (korad_kaxxxxp_set_value(sdi->conn, KAXXXXP_CURRENT_LIMIT, devc) < 0)
430 case SR_CONF_ENABLED:
431 bval = g_variant_get_boolean(data);
432 /* Set always so it is possible turn off with sigrok-cli. */
433 devc->set_output_enabled = bval;
434 if (korad_kaxxxxp_set_value(sdi->conn, KAXXXXP_OUTPUT, devc) < 0)
437 case SR_CONF_OVER_CURRENT_PROTECTION_ENABLED:
438 bval = g_variant_get_boolean(data);
439 devc->set_ocp_enabled = bval;
440 if (korad_kaxxxxp_set_value(sdi->conn, KAXXXXP_OCP, devc) < 0)
443 case SR_CONF_OVER_VOLTAGE_PROTECTION_ENABLED:
444 bval = g_variant_get_boolean(data);
445 devc->set_ovp_enabled = bval;
446 if (korad_kaxxxxp_set_value(sdi->conn, KAXXXXP_OVP, devc) < 0)
456 static int config_list(uint32_t key, GVariant **data,
457 const struct sr_dev_inst *sdi, const struct sr_channel_group *cg)
459 struct dev_context *devc;
461 devc = (sdi) ? sdi->priv : NULL;
464 case SR_CONF_SCAN_OPTIONS:
465 case SR_CONF_DEVICE_OPTIONS:
466 return STD_CONFIG_LIST(key, data, sdi, cg, scanopts, drvopts, devopts);
467 case SR_CONF_VOLTAGE_TARGET:
468 if (!devc || !devc->model)
470 *data = std_gvar_min_max_step_array(devc->model->voltage);
472 case SR_CONF_CURRENT_LIMIT:
473 if (!devc || !devc->model)
475 *data = std_gvar_min_max_step_array(devc->model->current);
484 static int dev_close(struct sr_dev_inst *sdi)
486 struct dev_context *devc;
488 devc = (sdi) ? sdi->priv : NULL;
490 g_mutex_clear(&devc->rw_mutex);
492 return std_serial_dev_close(sdi);
495 static int dev_acquisition_start(const struct sr_dev_inst *sdi)
497 struct dev_context *devc;
498 struct sr_serial_dev_inst *serial;
502 sr_sw_limits_acquisition_start(&devc->limits);
503 std_session_send_df_header(sdi);
505 devc->req_sent_at = 0;
507 serial_source_add(sdi->session, serial, G_IO_IN,
508 KAXXXXP_POLL_INTERVAL_MS,
509 korad_kaxxxxp_receive_data, (void *)sdi);
514 static struct sr_dev_driver korad_kaxxxxp_driver_info = {
515 .name = "korad-kaxxxxp",
516 .longname = "Korad KAxxxxP",
519 .cleanup = std_cleanup,
521 .dev_list = std_dev_list,
522 .dev_clear = std_dev_clear,
523 .config_get = config_get,
524 .config_set = config_set,
525 .config_list = config_list,
526 .dev_open = std_serial_dev_open,
527 .dev_close = dev_close,
528 .dev_acquisition_start = dev_acquisition_start,
529 .dev_acquisition_stop = std_serial_dev_acquisition_stop,
532 SR_REGISTER_DEV_DRIVER(korad_kaxxxxp_driver_info);