2 * This file is part of the libsigrok project.
4 * Copyright (C) 2012 Bert Vermeulen <bert@biot.com>
5 * Copyright (C) 2012 Alexandru Gagniuc <mr.nuke.me@gmail.com>
6 * Copyright (C) 2012 Uwe Hermann <uwe@hermann-uwe.de>
8 * This program is free software: you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation, either version 3 of the License, or
11 * (at your option) any later version.
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
18 * You should have received a copy of the GNU General Public License
19 * along with this program. If not, see <http://www.gnu.org/licenses/>.
23 #include <sys/types.h>
28 #include <libsigrok/libsigrok.h>
29 #include "libsigrok-internal.h"
32 static const uint32_t scanopts[] = {
37 static const uint32_t drvopts[] = {
41 static const uint32_t devopts[] = {
43 SR_CONF_LIMIT_SAMPLES | SR_CONF_SET,
44 SR_CONF_LIMIT_MSEC | SR_CONF_SET,
47 static GSList *scan(struct sr_dev_driver *di, GSList *options)
50 struct sr_config *src;
52 const char *conn, *serialcomm;
53 struct sr_dev_inst *sdi;
54 struct dev_context *devc;
55 struct sr_serial_dev_inst *serial;
62 dmm = (struct dmm_info *)di;
65 serialcomm = dmm->serialcomm;
66 for (l = options; l; l = l->next) {
70 conn = g_variant_get_string(src->data, NULL);
72 case SR_CONF_SERIALCOMM:
73 serialcomm = g_variant_get_string(src->data, NULL);
80 serial = sr_serial_dev_inst_new(conn, serialcomm);
82 if (serial_open(serial, SERIAL_RDWR) != SR_OK)
85 sr_info("Probing serial port %s.", conn);
90 /* Request a packet if the DMM requires this. */
91 if (dmm->packet_request) {
92 if ((ret = dmm->packet_request(serial)) < 0) {
93 sr_err("Failed to request packet: %d.", ret);
99 * There's no way to get an ID from the multimeter. It just sends data
100 * periodically (or upon request), so the best we can do is check if
101 * the packets match the expected format.
104 /* Let's get a bit of data and see if we can find a packet. */
106 ret = serial_stream_detect(serial, buf, &len, dmm->packet_size,
107 dmm->packet_valid, 3000);
112 * If we dropped more than two packets worth of data, something is
113 * wrong. We shouldn't quit however, since the dropped bytes might be
114 * just zeroes at the beginning of the stream. Those can occur as a
115 * combination of the nonstandard cable that ships with some devices
116 * and the serial port or USB to serial adapter.
118 dropped = len - dmm->packet_size;
119 if (dropped > 2 * dmm->packet_size)
120 sr_warn("Had to drop too much data.");
122 sr_info("Found device on port %s.", conn);
124 sdi = g_malloc0(sizeof(struct sr_dev_inst));
125 sdi->status = SR_ST_INACTIVE;
126 sdi->vendor = g_strdup(dmm->vendor);
127 sdi->model = g_strdup(dmm->device);
128 devc = g_malloc0(sizeof(struct dev_context));
129 sr_sw_limits_init(&devc->limits);
130 sdi->inst_type = SR_INST_SERIAL;
133 dmm->channel_count = 1;
134 if (dmm->packet_parse == sr_eev121gw_3displays_parse) {
135 dmm->channel_count = EEV121GW_DISPLAY_COUNT;
136 dmm->channel_formats = eev121gw_channel_formats;
138 if (dmm->packet_parse == sr_metex14_4packets_parse)
139 dmm->channel_count = 4;
140 if (dmm->packet_parse == sr_ms2115b_parse) {
141 dmm->channel_count = MS2115B_DISPLAY_COUNT;
142 dmm->channel_formats = ms2115b_channel_formats;
144 for (ch_idx = 0; ch_idx < dmm->channel_count; ch_idx++) {
148 if (dmm->channel_formats && dmm->channel_formats[ch_idx])
149 fmt = dmm->channel_formats[ch_idx];
151 snprintf(ch_name, sizeof(ch_name), fmt, ch_num);
152 sr_channel_new(sdi, ch_idx, SR_CHANNEL_ANALOG, TRUE, ch_name);
154 devices = g_slist_append(devices, sdi);
157 serial_close(serial);
159 return std_scan_complete(di, devices);
162 static int config_set(uint32_t key, GVariant *data,
163 const struct sr_dev_inst *sdi, const struct sr_channel_group *cg)
165 struct dev_context *devc;
171 return sr_sw_limits_config_set(&devc->limits, key, data);
174 static int config_list(uint32_t key, GVariant **data,
175 const struct sr_dev_inst *sdi, const struct sr_channel_group *cg)
177 return STD_CONFIG_LIST(key, data, sdi, cg, scanopts, drvopts, devopts);
180 static int dev_acquisition_start(const struct sr_dev_inst *sdi)
182 struct dev_context *devc;
183 struct sr_serial_dev_inst *serial;
187 sr_sw_limits_acquisition_start(&devc->limits);
188 std_session_send_df_header(sdi);
191 serial_source_add(sdi->session, serial, G_IO_IN, 50,
192 receive_data, (void *)sdi);
197 #define DMM(ID, CHIPSET, VENDOR, MODEL, SERIALCOMM, PACKETSIZE, TIMEOUT, \
198 DELAY, REQUEST, VALID, PARSE, DETAILS) \
199 &((struct dmm_info) { \
202 .longname = VENDOR " " MODEL, \
205 .cleanup = std_cleanup, \
207 .dev_list = std_dev_list, \
208 .dev_clear = std_dev_clear, \
209 .config_get = NULL, \
210 .config_set = config_set, \
211 .config_list = config_list, \
212 .dev_open = std_serial_dev_open, \
213 .dev_close = std_serial_dev_close, \
214 .dev_acquisition_start = dev_acquisition_start, \
215 .dev_acquisition_stop = std_serial_dev_acquisition_stop, \
218 VENDOR, MODEL, SERIALCOMM, PACKETSIZE, TIMEOUT, DELAY, \
219 REQUEST, 1, NULL, VALID, PARSE, DETAILS, sizeof(struct CHIPSET##_info) \
222 SR_REGISTER_DEV_DRIVER_LIST(serial_dmm_drivers,
224 * The items are sorted by chipset first and then model name.
226 * This reflects the developer's perspective and is preferrable
227 * during maintenance, as a vendor/product based sort order does
228 * not work well for rebranded models, and from a support point
229 * of view it's more important to identify similarities between
230 * models and compatible devices.
232 * Fold marks {{{ }}} with matching braces were added, to further
233 * speed up navigation in the long list.
235 /* asycii based meters {{{ */
237 "metrix-mx56c", asycii, "Metrix", "MX56C",
238 "2400/8n1", ASYCII_PACKET_SIZE, 0, 0, NULL,
239 sr_asycii_packet_valid, sr_asycii_parse, NULL
242 /* bm25x based meters {{{ */
244 "brymen-bm25x", bm25x,
245 "Brymen", "BM25x", "9600/8n1/rts=1/dtr=1",
246 BRYMEN_BM25X_PACKET_SIZE, 0, 0, NULL,
247 sr_brymen_bm25x_packet_valid, sr_brymen_bm25x_parse,
251 /* dtm0660 based meters {{{ */
253 "peaktech-3415", dtm0660,
254 "PeakTech", "3415", "2400/8n1/rts=0/dtr=1",
255 DTM0660_PACKET_SIZE, 0, 0, NULL,
256 sr_dtm0660_packet_valid, sr_dtm0660_parse, NULL
259 "velleman-dvm4100", dtm0660,
260 "Velleman", "DVM4100", "2400/8n1/rts=0/dtr=1",
261 DTM0660_PACKET_SIZE, 0, 0, NULL,
262 sr_dtm0660_packet_valid, sr_dtm0660_parse, NULL
265 /* eev121gw based meters {{{ */
267 "eevblog-121gw", eev121gw, "EEVblog", "121GW",
268 "115200/8n1", EEV121GW_PACKET_SIZE, 0, 0, NULL,
269 sr_eev121gw_packet_valid, sr_eev121gw_3displays_parse, NULL
272 /* es519xx based meters {{{ */
274 "iso-tech-idm103n", es519xx,
275 "ISO-TECH", "IDM103N", "2400/7o1/rts=0/dtr=1",
276 ES519XX_11B_PACKET_SIZE, 0, 0, NULL,
277 sr_es519xx_2400_11b_packet_valid, sr_es519xx_2400_11b_parse,
281 * Note: ES51922 and ES51986 baudrate is actually 19230. This is
282 * "out" by .15%, and so is well within the typical 1% margin
283 * that is considered acceptable in UART communication, and thus
284 * should not cause an issue.
286 * However, using 19230 as baudrate here will not work, as most DMM
287 * cables do not support that baudrate!
290 "tenma-72-7750-ser", es519xx,
291 "Tenma", "72-7750 (UT-D02 cable)", "19200/7o1/rts=0/dtr=1",
292 ES519XX_11B_PACKET_SIZE, 0, 0, NULL,
293 sr_es519xx_19200_11b_packet_valid, sr_es519xx_19200_11b_parse,
297 "uni-t-ut60g-ser", es519xx,
298 "UNI-T", "UT60G (UT-D02 cable)", "19200/7o1/rts=0/dtr=1",
299 ES519XX_11B_PACKET_SIZE, 0, 0, NULL,
300 sr_es519xx_19200_11b_packet_valid, sr_es519xx_19200_11b_parse,
304 "uni-t-ut61e-ser", es519xx,
305 "UNI-T", "UT61E (UT-D02 cable)", "19200/7o1/rts=0/dtr=1",
306 ES519XX_14B_PACKET_SIZE, 0, 0, NULL,
307 sr_es519xx_19200_14b_packet_valid, sr_es519xx_19200_14b_parse,
311 /* fs9721 based meters {{{ */
313 "digitek-dt4000zc", fs9721,
314 "Digitek", "DT4000ZC", "2400/8n1/dtr=1",
315 FS9721_PACKET_SIZE, 0, 0, NULL,
316 sr_fs9721_packet_valid, sr_fs9721_parse,
320 "mastech-ms8250b", fs9721,
321 "MASTECH", "MS8250B", "2400/8n1/rts=0/dtr=1",
322 FS9721_PACKET_SIZE, 0, 0, NULL,
323 sr_fs9721_packet_valid, sr_fs9721_parse,
327 "pce-pce-dm32", fs9721,
328 "PCE", "PCE-DM32", "2400/8n1",
329 FS9721_PACKET_SIZE, 0, 0, NULL,
330 sr_fs9721_packet_valid, sr_fs9721_parse,
331 sr_fs9721_01_10_temp_f_c
334 "peaktech-3330", fs9721,
335 "PeakTech", "3330", "2400/8n1/dtr=1",
336 FS9721_PACKET_SIZE, 0, 0, NULL,
337 sr_fs9721_packet_valid, sr_fs9721_parse,
338 sr_fs9721_01_10_temp_f_c
341 "tecpel-dmm-8061-ser", fs9721,
342 "Tecpel", "DMM-8061 (UT-D02 cable)", "2400/8n1/rts=0/dtr=1",
343 FS9721_PACKET_SIZE, 0, 0, NULL,
344 sr_fs9721_packet_valid, sr_fs9721_parse,
348 "tekpower-tp4000ZC", fs9721,
349 "TekPower", "TP4000ZC", "2400/8n1/dtr=1",
350 FS9721_PACKET_SIZE, 0, 0, NULL,
351 sr_fs9721_packet_valid, sr_fs9721_parse,
355 "tenma-72-7745-ser", fs9721,
356 "Tenma", "72-7745 (UT-D02 cable)", "2400/8n1/rts=0/dtr=1",
357 FS9721_PACKET_SIZE, 0, 0, NULL,
358 sr_fs9721_packet_valid, sr_fs9721_parse,
362 "uni-t-ut60a-ser", fs9721,
363 "UNI-T", "UT60A (UT-D02 cable)", "2400/8n1/rts=0/dtr=1",
364 FS9721_PACKET_SIZE, 0, 0, NULL,
365 sr_fs9721_packet_valid, sr_fs9721_parse,
369 "uni-t-ut60e-ser", fs9721,
370 "UNI-T", "UT60E (UT-D02 cable)", "2400/8n1/rts=0/dtr=1",
371 FS9721_PACKET_SIZE, 0, 0, NULL,
372 sr_fs9721_packet_valid, sr_fs9721_parse,
377 "V&A", "VA18B", "2400/8n1",
378 FS9721_PACKET_SIZE, 0, 0, NULL,
379 sr_fs9721_packet_valid, sr_fs9721_parse,
384 "V&A", "VA40B", "2400/8n1",
385 FS9721_PACKET_SIZE, 0, 0, NULL,
386 sr_fs9721_packet_valid, sr_fs9721_parse,
390 "voltcraft-vc820-ser", fs9721,
391 "Voltcraft", "VC-820 (UT-D02 cable)", "2400/8n1/rts=0/dtr=1",
392 FS9721_PACKET_SIZE, 0, 0, NULL,
393 sr_fs9721_packet_valid, sr_fs9721_parse,
397 "voltcraft-vc840-ser", fs9721,
398 "Voltcraft", "VC-840 (UT-D02 cable)", "2400/8n1/rts=0/dtr=1",
399 FS9721_PACKET_SIZE, 0, 0, NULL,
400 sr_fs9721_packet_valid, sr_fs9721_parse,
404 /* fs9922 based meters {{{ */
406 "sparkfun-70c", fs9922,
407 "SparkFun", "70C", "2400/8n1/rts=0/dtr=1",
408 FS9922_PACKET_SIZE, 0, 0, NULL,
409 sr_fs9922_packet_valid, sr_fs9922_parse, NULL
412 "uni-t-ut61b-ser", fs9922,
413 "UNI-T", "UT61B (UT-D02 cable)", "2400/8n1/rts=0/dtr=1",
414 FS9922_PACKET_SIZE, 0, 0, NULL,
415 sr_fs9922_packet_valid, sr_fs9922_parse, NULL
418 "uni-t-ut61c-ser", fs9922,
419 "UNI-T", "UT61C (UT-D02 cable)", "2400/8n1/rts=0/dtr=1",
420 FS9922_PACKET_SIZE, 0, 0, NULL,
421 sr_fs9922_packet_valid, sr_fs9922_parse, NULL
424 "uni-t-ut61d-ser", fs9922,
425 "UNI-T", "UT61D (UT-D02 cable)", "2400/8n1/rts=0/dtr=1",
426 FS9922_PACKET_SIZE, 0, 0, NULL,
427 sr_fs9922_packet_valid, sr_fs9922_parse, NULL
430 "victor-dmm-ser", fs9922,
431 "Victor", "Victor DMMs (Mini-USB cable)", "2400/8n1",
432 FS9922_PACKET_SIZE, 0, 0, NULL,
433 sr_fs9922_packet_valid, sr_fs9922_parse, NULL
437 * Note: The VC830 doesn't set the 'volt' and 'diode' bits of
438 * the FS9922 protocol. Instead, it only sets the user-defined
439 * bit "z1" to indicate "diode mode" and "voltage".
441 "voltcraft-vc830-ser", fs9922,
442 "Voltcraft", "VC-830 (UT-D02 cable)", "2400/8n1/rts=0/dtr=1",
443 FS9922_PACKET_SIZE, 0, 0, NULL,
444 sr_fs9922_packet_valid, sr_fs9922_parse,
448 /* m2110 based meters {{{ */
451 "BBC Goertz Metrawatt", "M2110", "1200/7n2",
452 BBCGM_M2110_PACKET_SIZE, 0, 0, NULL,
453 sr_m2110_packet_valid, sr_m2110_parse,
457 /* ms2115b based meters {{{ */
459 "mastech-ms2115b", ms2115b,
460 "MASTECH", "MS2115B", "1200/8n1",
461 MS2115B_PACKET_SIZE, 0, 0, NULL,
462 sr_ms2115b_packet_valid, sr_ms2115b_parse,
466 /* ms8250d based meters {{{ */
468 "mastech-ms8250d", ms8250d,
469 "MASTECH", "MS8250D", "2400/8n1/rts=0/dtr=1",
470 MS8250D_PACKET_SIZE, 0, 0, NULL,
471 sr_ms8250d_packet_valid, sr_ms8250d_parse,
475 /* metex14 based meters {{{ */
477 "mastech-mas345", metex14,
478 "MASTECH", "MAS345", "600/7n2/rts=0/dtr=1",
479 METEX14_PACKET_SIZE, 0, 0, sr_metex14_packet_request,
480 sr_metex14_packet_valid, sr_metex14_parse,
484 "metex-m3640d", metex14,
485 "Metex", "M-3640D", "1200/7n2/rts=0/dtr=1",
486 METEX14_PACKET_SIZE, 0, 0, sr_metex14_packet_request,
487 sr_metex14_packet_valid, sr_metex14_parse,
491 "metex-m3860m", metex14,
492 "Metex", "M-3860M", "9600/7n2/rts=0/dtr=1",
493 4 * METEX14_PACKET_SIZE, 0, 0, sr_metex14_packet_request,
494 sr_metex14_4packets_valid, sr_metex14_4packets_parse,
498 "metex-m4650cr", metex14,
499 "Metex", "M-4650CR", "1200/7n2/rts=0/dtr=1",
500 METEX14_PACKET_SIZE, 0, 0, sr_metex14_packet_request,
501 sr_metex14_packet_valid, sr_metex14_parse,
505 "metex-me31", metex14,
506 "Metex", "ME-31", "600/7n2/rts=0/dtr=1",
507 METEX14_PACKET_SIZE, 0, 0, sr_metex14_packet_request,
508 sr_metex14_packet_valid, sr_metex14_parse,
512 "peaktech-3410", metex14,
513 "PeakTech", "3410", "600/7n2/rts=0/dtr=1",
514 METEX14_PACKET_SIZE, 0, 0, sr_metex14_packet_request,
515 sr_metex14_packet_valid, sr_metex14_parse,
519 "peaktech-4370", metex14,
520 "PeakTech", "4370", "1200/7n2/rts=0/dtr=1",
521 METEX14_PACKET_SIZE, 0, 0, sr_metex14_packet_request,
522 sr_metex14_packet_valid, sr_metex14_parse,
526 "peaktech-4390a", metex14,
527 "PeakTech", "4390A", "9600/7n2/rts=0/dtr=1",
528 4 * METEX14_PACKET_SIZE, 0, 0, sr_metex14_packet_request,
529 sr_metex14_4packets_valid, sr_metex14_4packets_parse,
533 "radioshack-22-168", metex14,
534 "RadioShack", "22-168", "1200/7n2/rts=0/dtr=1",
535 METEX14_PACKET_SIZE, 0, 0, sr_metex14_packet_request,
536 sr_metex14_packet_valid, sr_metex14_parse,
540 "radioshack-22-805", metex14,
541 "RadioShack", "22-805", "600/7n2/rts=0/dtr=1",
542 METEX14_PACKET_SIZE, 0, 0, sr_metex14_packet_request,
543 sr_metex14_packet_valid, sr_metex14_parse,
547 "voltcraft-m3650cr", metex14,
548 "Voltcraft", "M-3650CR", "1200/7n2/rts=0/dtr=1",
549 METEX14_PACKET_SIZE, 150, 20, sr_metex14_packet_request,
550 sr_metex14_packet_valid, sr_metex14_parse,
554 "voltcraft-m3650d", metex14,
555 "Voltcraft", "M-3650D", "1200/7n2/rts=0/dtr=1",
556 METEX14_PACKET_SIZE, 0, 0, sr_metex14_packet_request,
557 sr_metex14_packet_valid, sr_metex14_parse,
561 "voltcraft-m4650cr", metex14,
562 "Voltcraft", "M-4650CR", "1200/7n2/rts=0/dtr=1",
563 METEX14_PACKET_SIZE, 0, 0, sr_metex14_packet_request,
564 sr_metex14_packet_valid, sr_metex14_parse,
568 "voltcraft-me42", metex14,
569 "Voltcraft", "ME-42", "600/7n2/rts=0/dtr=1",
570 METEX14_PACKET_SIZE, 250, 60, sr_metex14_packet_request,
571 sr_metex14_packet_valid, sr_metex14_parse,
575 /* rs9lcd based meters {{{ */
577 "radioshack-22-812", rs9lcd,
578 "RadioShack", "22-812", "4800/8n1/rts=0/dtr=1",
579 RS9LCD_PACKET_SIZE, 0, 0, NULL,
580 sr_rs9lcd_packet_valid, sr_rs9lcd_parse,
584 /* ut71x based meters {{{ */
586 "tenma-72-7730-ser", ut71x,
587 "Tenma", "72-7730 (UT-D02 cable)", "2400/7o1/rts=0/dtr=1",
588 UT71X_PACKET_SIZE, 0, 0, NULL,
589 sr_ut71x_packet_valid, sr_ut71x_parse, NULL
592 "tenma-72-7732-ser", ut71x,
593 "Tenma", "72-7732 (UT-D02 cable)", "2400/7o1/rts=0/dtr=1",
594 UT71X_PACKET_SIZE, 0, 0, NULL,
595 sr_ut71x_packet_valid, sr_ut71x_parse, NULL
598 "tenma-72-9380a-ser", ut71x,
599 "Tenma", "72-9380A (UT-D02 cable)", "2400/7o1/rts=0/dtr=1",
600 UT71X_PACKET_SIZE, 0, 0, NULL,
601 sr_ut71x_packet_valid, sr_ut71x_parse, NULL
604 "uni-t-ut71a-ser", ut71x,
605 "UNI-T", "UT71A (UT-D02 cable)", "2400/7o1/rts=0/dtr=1",
606 UT71X_PACKET_SIZE, 0, 0, NULL,
607 sr_ut71x_packet_valid, sr_ut71x_parse, NULL
610 "uni-t-ut71b-ser", ut71x,
611 "UNI-T", "UT71B (UT-D02 cable)", "2400/7o1/rts=0/dtr=1",
612 UT71X_PACKET_SIZE, 0, 0, NULL,
613 sr_ut71x_packet_valid, sr_ut71x_parse, NULL
616 "uni-t-ut71c-ser", ut71x,
617 "UNI-T", "UT71C (UT-D02 cable)", "2400/7o1/rts=0/dtr=1",
618 UT71X_PACKET_SIZE, 0, 0, NULL,
619 sr_ut71x_packet_valid, sr_ut71x_parse, NULL
622 "uni-t-ut71d-ser", ut71x,
623 "UNI-T", "UT71D (UT-D02 cable)", "2400/7o1/rts=0/dtr=1",
624 UT71X_PACKET_SIZE, 0, 0, NULL,
625 sr_ut71x_packet_valid, sr_ut71x_parse, NULL
628 "uni-t-ut71e-ser", ut71x,
629 "UNI-T", "UT71E (UT-D02 cable)", "2400/7o1/rts=0/dtr=1",
630 UT71X_PACKET_SIZE, 0, 0, NULL,
631 sr_ut71x_packet_valid, sr_ut71x_parse, NULL
634 "voltcraft-vc920-ser", ut71x,
635 "Voltcraft", "VC-920 (UT-D02 cable)", "2400/7o1/rts=0/dtr=1",
636 UT71X_PACKET_SIZE, 0, 0, NULL,
637 sr_ut71x_packet_valid, sr_ut71x_parse, NULL
640 "voltcraft-vc940-ser", ut71x,
641 "Voltcraft", "VC-940 (UT-D02 cable)", "2400/7o1/rts=0/dtr=1",
642 UT71X_PACKET_SIZE, 0, 0, NULL,
643 sr_ut71x_packet_valid, sr_ut71x_parse, NULL
646 "voltcraft-vc960-ser", ut71x,
647 "Voltcraft", "VC-960 (UT-D02 cable)", "2400/7o1/rts=0/dtr=1",
648 UT71X_PACKET_SIZE, 0, 0, NULL,
649 sr_ut71x_packet_valid, sr_ut71x_parse, NULL
652 /* vc870 based meters {{{ */
654 "voltcraft-vc870-ser", vc870,
655 "Voltcraft", "VC-870 (UT-D02 cable)", "9600/8n1/rts=0/dtr=1",
656 VC870_PACKET_SIZE, 0, 0, NULL,
657 sr_vc870_packet_valid, sr_vc870_parse, NULL
660 /* vc96 based meters {{{ */
662 "voltcraft-vc96", vc96,
663 "Voltcraft", "VC-96", "1200/8n2",
664 VC96_PACKET_SIZE, 0, 0, NULL,
665 sr_vc96_packet_valid, sr_vc96_parse,
670 * The list is sorted. Add new items in the respective chip's group.