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", "320-KA3005P", "", 1, volts_30, amps_5, 0},
65 {"RND", "320-KD3005P", "", 1, volts_30, amps_5, 0},
66 {"Stamos Soldering", "S-LS-31", "", 1, volts_30, amps_5,
67 KORAD_QUIRK_ID_NO_VENDOR},
68 {"Tenma", "72-2535", "", 1, volts_30, amps_3, 0},
69 {"Tenma", "72-2540", "", 1, volts_30, amps_5, 0},
70 {"Tenma", "72-2550", "", 1, volts_60, amps_3, 0},
71 {"Tenma", "72-2710", "", 1, volts_30, amps_5, 0},
72 {"Velleman", "LABPS3005D", "", 1, volts_30, amps_5,
73 KORAD_QUIRK_LABPS_OVP_EN},
74 {"Velleman", "PS3005D", "", 1, volts_30, amps_5, 0},
79 * Bump this when adding new models[] above. Make sure the text buffer
80 * for the ID response can hold the longest sequence that we expect in
81 * the field which consists of: vendor + model [ + version ][ + serno ].
82 * Don't be too generous here, the maximum receive buffer size affects
83 * the timeout within which the first response character is expected.
85 static const size_t id_text_buffer_size = 48;
88 * Check whether the device's "*IDN?" response matches a supported model.
89 * The caller already stripped off the optional serial number.
91 static gboolean model_matches(const struct korad_kaxxxxp_model *model,
95 gboolean skip_vendor, accept_trail;
102 * When the models[] entry contains a specific response text,
103 * then expect to see this very text in literal form. This
104 * lets the driver map weird and untypical responses to a
105 * specific set of display texts for vendor and model names.
107 if (model->id && model->id[0]) {
108 matches = g_strcmp0(model->id, id_text) == 0;
110 sr_dbg("Matches expected ID text: '%s'.", model->id);
115 * A more generic approach which covers most devices: Check
116 * for the very vendor and model names which also are shown
117 * to users (the display texts). Weakened to match responses
118 * more widely: Case insensitive checks, optional whitespace
119 * in responses, optional version details. Optional trailing
120 * garbage. Optional omission of the vendor name. Shall match
121 * all the devices which were individually listed in earlier
122 * implementations of the driver, and shall also match firmware
123 * versions that were not listed before.
125 skip_vendor = model->quirks & KORAD_QUIRK_ID_NO_VENDOR;
126 accept_trail = model->quirks & KORAD_QUIRK_ID_TRAILING;
128 want = model->vendor;
129 matches = g_ascii_strncasecmp(id_text, want, strlen(want)) == 0;
132 id_text += strlen(want);
133 while (isspace((int)*id_text))
137 matches = g_ascii_strncasecmp(id_text, want, strlen(want)) == 0;
140 id_text += strlen(want);
141 while (isspace((int)*id_text))
143 if (*id_text == 'V') {
144 /* TODO Isolate and (also) return version details? */
146 while (*id_text == '.' || isdigit((int)*id_text))
148 while (isspace((int)*id_text))
153 * TODO Determine how many non-printables to accept here
154 * and how strict to check for "known" garbage variants.
170 sr_dbg("Matches generic '[vendor] model [vers] [trail]' pattern.");
174 static GSList *scan(struct sr_dev_driver *di, GSList *options)
176 static const char *serno_prefix = " SN:";
178 struct dev_context *devc;
180 struct sr_dev_inst *sdi;
181 struct sr_config *src;
182 const char *conn, *serialcomm;
183 const char *force_detect;
184 struct sr_serial_dev_inst *serial;
188 const struct korad_kaxxxxp_model *model;
196 for (l = options; l; l = l->next) {
200 conn = g_variant_get_string(src->data, NULL);
202 case SR_CONF_SERIALCOMM:
203 serialcomm = g_variant_get_string(src->data, NULL);
205 case SR_CONF_FORCE_DETECT:
206 force_detect = g_variant_get_string(src->data, NULL);
209 sr_err("Unknown option %d, skipping.", src->key);
217 serialcomm = "9600/8n1";
218 if (force_detect && !*force_detect)
221 serial = sr_serial_dev_inst_new(conn, serialcomm);
222 if (serial_open(serial, SERIAL_RDWR) != SR_OK)
225 /* Communicate the identification request. */
226 len = id_text_buffer_size;
227 if (len > sizeof(reply) - 1)
228 len = sizeof(reply) - 1;
229 sr_dbg("Want max %zu bytes.", len);
231 ret = korad_kaxxxxp_send_cmd(serial, "*IDN?");
235 ret = korad_kaxxxxp_read_chars(serial, len, reply);
238 sr_dbg("Received: %d, %s", ret, reply);
241 * Isolate the optional serial number at the response's end.
242 * Lookup the response's model ID in the list of known models.
244 serno = g_strrstr(reply, serno_prefix);
247 serno += strlen(serno_prefix);
251 for (i = 0; models[i].name; i++) {
252 if (!model_matches(&models[i], reply))
257 if (!model && force_detect) {
258 sr_warn("Found unknown model ID '%s', trying '%s' spec.",
259 reply, force_detect);
260 for (i = 0; models[i].name; i++) {
261 if (!model_matches(&models[i], force_detect))
263 sr_info("Found replacement, using it instead.");
269 sr_err("Found unknown model ID '%s', aborting.", reply);
272 sr_dbg("Found: %s %s (idx %zu).", model->vendor, model->name,
275 sdi = g_malloc0(sizeof(struct sr_dev_inst));
276 sdi->status = SR_ST_INACTIVE;
277 sdi->vendor = g_strdup(model->vendor);
278 sdi->model = g_strdup(model->name);
280 sdi->serial_num = g_strdup(serno);
281 sdi->inst_type = SR_INST_SERIAL;
283 sdi->connection_id = g_strdup(conn);
285 sr_channel_new(sdi, 0, SR_CHANNEL_ANALOG, TRUE, "V");
286 sr_channel_new(sdi, 1, SR_CHANNEL_ANALOG, TRUE, "I");
288 devc = g_malloc0(sizeof(struct dev_context));
289 sr_sw_limits_init(&devc->limits);
290 g_mutex_init(&devc->rw_mutex);
292 devc->req_sent_at = 0;
293 devc->cc_mode_1_changed = FALSE;
294 devc->cc_mode_2_changed = FALSE;
295 devc->output_enabled_changed = FALSE;
296 devc->ocp_enabled_changed = FALSE;
297 devc->ovp_enabled_changed = FALSE;
300 /* Get current status of device. */
301 if (korad_kaxxxxp_get_all_values(serial, devc) < 0)
304 serial_close(serial);
306 return std_scan_complete(di, g_slist_append(NULL, sdi));
309 sr_dev_inst_free(sdi);
311 sr_dbg("Scan failed.");
316 static int config_get(uint32_t key, GVariant **data,
317 const struct sr_dev_inst *sdi, const struct sr_channel_group *cg)
319 struct dev_context *devc;
329 case SR_CONF_LIMIT_SAMPLES:
330 case SR_CONF_LIMIT_MSEC:
331 return sr_sw_limits_config_get(&devc->limits, key, data);
333 *data = g_variant_new_string(sdi->connection_id);
335 case SR_CONF_VOLTAGE:
336 korad_kaxxxxp_get_value(sdi->conn, KAXXXXP_VOLTAGE, devc);
337 *data = g_variant_new_double(devc->voltage);
339 case SR_CONF_VOLTAGE_TARGET:
340 korad_kaxxxxp_get_value(sdi->conn, KAXXXXP_VOLTAGE_TARGET, devc);
341 *data = g_variant_new_double(devc->voltage_target);
343 case SR_CONF_CURRENT:
344 korad_kaxxxxp_get_value(sdi->conn, KAXXXXP_CURRENT, devc);
345 *data = g_variant_new_double(devc->current);
347 case SR_CONF_CURRENT_LIMIT:
348 korad_kaxxxxp_get_value(sdi->conn, KAXXXXP_CURRENT_LIMIT, devc);
349 *data = g_variant_new_double(devc->current_limit);
351 case SR_CONF_ENABLED:
352 korad_kaxxxxp_get_value(sdi->conn, KAXXXXP_OUTPUT, devc);
353 *data = g_variant_new_boolean(devc->output_enabled);
355 case SR_CONF_REGULATION:
356 /* Dual channel not supported. */
357 korad_kaxxxxp_get_value(sdi->conn, KAXXXXP_STATUS, devc);
358 *data = g_variant_new_string((devc->cc_mode[0]) ? "CC" : "CV");
360 case SR_CONF_OVER_CURRENT_PROTECTION_ENABLED:
361 korad_kaxxxxp_get_value(sdi->conn, KAXXXXP_OCP, devc);
362 *data = g_variant_new_boolean(devc->ocp_enabled);
364 case SR_CONF_OVER_VOLTAGE_PROTECTION_ENABLED:
365 korad_kaxxxxp_get_value(sdi->conn, KAXXXXP_OVP, devc);
366 *data = g_variant_new_boolean(devc->ovp_enabled);
375 static int config_set(uint32_t key, GVariant *data,
376 const struct sr_dev_inst *sdi, const struct sr_channel_group *cg)
378 struct dev_context *devc;
387 case SR_CONF_LIMIT_MSEC:
388 case SR_CONF_LIMIT_SAMPLES:
389 return sr_sw_limits_config_set(&devc->limits, key, data);
390 case SR_CONF_VOLTAGE_TARGET:
391 dval = g_variant_get_double(data);
392 if (dval < devc->model->voltage[0] || dval > devc->model->voltage[1])
394 devc->set_voltage_target = dval;
395 if (korad_kaxxxxp_set_value(sdi->conn, KAXXXXP_VOLTAGE_TARGET, devc) < 0)
398 case SR_CONF_CURRENT_LIMIT:
399 dval = g_variant_get_double(data);
400 if (dval < devc->model->current[0] || dval > devc->model->current[1])
402 devc->set_current_limit = dval;
403 if (korad_kaxxxxp_set_value(sdi->conn, KAXXXXP_CURRENT_LIMIT, devc) < 0)
406 case SR_CONF_ENABLED:
407 bval = g_variant_get_boolean(data);
408 /* Set always so it is possible turn off with sigrok-cli. */
409 devc->set_output_enabled = bval;
410 if (korad_kaxxxxp_set_value(sdi->conn, KAXXXXP_OUTPUT, devc) < 0)
413 case SR_CONF_OVER_CURRENT_PROTECTION_ENABLED:
414 bval = g_variant_get_boolean(data);
415 devc->set_ocp_enabled = bval;
416 if (korad_kaxxxxp_set_value(sdi->conn, KAXXXXP_OCP, devc) < 0)
419 case SR_CONF_OVER_VOLTAGE_PROTECTION_ENABLED:
420 bval = g_variant_get_boolean(data);
421 devc->set_ovp_enabled = bval;
422 if (korad_kaxxxxp_set_value(sdi->conn, KAXXXXP_OVP, devc) < 0)
432 static int config_list(uint32_t key, GVariant **data,
433 const struct sr_dev_inst *sdi, const struct sr_channel_group *cg)
435 struct dev_context *devc;
437 devc = (sdi) ? sdi->priv : NULL;
440 case SR_CONF_SCAN_OPTIONS:
441 case SR_CONF_DEVICE_OPTIONS:
442 return STD_CONFIG_LIST(key, data, sdi, cg, scanopts, drvopts, devopts);
443 case SR_CONF_VOLTAGE_TARGET:
444 if (!devc || !devc->model)
446 *data = std_gvar_min_max_step_array(devc->model->voltage);
448 case SR_CONF_CURRENT_LIMIT:
449 if (!devc || !devc->model)
451 *data = std_gvar_min_max_step_array(devc->model->current);
460 static int dev_close(struct sr_dev_inst *sdi)
462 struct dev_context *devc;
464 devc = (sdi) ? sdi->priv : NULL;
466 g_mutex_clear(&devc->rw_mutex);
468 return std_serial_dev_close(sdi);
471 static int dev_acquisition_start(const struct sr_dev_inst *sdi)
473 struct dev_context *devc;
474 struct sr_serial_dev_inst *serial;
478 sr_sw_limits_acquisition_start(&devc->limits);
479 std_session_send_df_header(sdi);
481 devc->req_sent_at = 0;
483 serial_source_add(sdi->session, serial, G_IO_IN,
484 KAXXXXP_POLL_INTERVAL_MS,
485 korad_kaxxxxp_receive_data, (void *)sdi);
490 static struct sr_dev_driver korad_kaxxxxp_driver_info = {
491 .name = "korad-kaxxxxp",
492 .longname = "Korad KAxxxxP",
495 .cleanup = std_cleanup,
497 .dev_list = std_dev_list,
498 .dev_clear = std_dev_clear,
499 .config_get = config_get,
500 .config_set = config_set,
501 .config_list = config_list,
502 .dev_open = std_serial_dev_open,
503 .dev_close = dev_close,
504 .dev_acquisition_start = dev_acquisition_start,
505 .dev_acquisition_stop = std_serial_dev_acquisition_stop,
508 SR_REGISTER_DEV_DRIVER(korad_kaxxxxp_driver_info);