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Change type of SR_CONF keys to uint32_t.
[libsigrok.git] / src / hardware / serial-dmm / api.c
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1/*
2 * This file is part of the libsigrok project.
3 *
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>
7 *
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.
12 *
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.
17 *
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/>.
20 */
21
22#include <sys/types.h>
23#include <sys/stat.h>
24#include <fcntl.h>
25#include <string.h>
26#include <errno.h>
27#include <glib.h>
28#include "libsigrok.h"
29#include "libsigrok-internal.h"
30#include "protocol.h"
31
32static const uint32_t hwopts[] = {
33 SR_CONF_CONN,
34 SR_CONF_SERIALCOMM,
35};
36
37static const uint32_t hwcaps[] = {
38 SR_CONF_MULTIMETER,
39 SR_CONF_LIMIT_SAMPLES,
40 SR_CONF_LIMIT_MSEC,
41 SR_CONF_CONTINUOUS,
42};
43
44SR_PRIV struct sr_dev_driver bbcgm_m2110_driver_info;
45SR_PRIV struct sr_dev_driver digitek_dt4000zc_driver_info;
46SR_PRIV struct sr_dev_driver tekpower_tp4000zc_driver_info;
47SR_PRIV struct sr_dev_driver metex_me31_driver_info;
48SR_PRIV struct sr_dev_driver peaktech_3410_driver_info;
49SR_PRIV struct sr_dev_driver mastech_mas345_driver_info;
50SR_PRIV struct sr_dev_driver va_va18b_driver_info;
51SR_PRIV struct sr_dev_driver va_va40b_driver_info;
52SR_PRIV struct sr_dev_driver metex_m3640d_driver_info;
53SR_PRIV struct sr_dev_driver metex_m4650cr_driver_info;
54SR_PRIV struct sr_dev_driver peaktech_4370_driver_info;
55SR_PRIV struct sr_dev_driver pce_pce_dm32_driver_info;
56SR_PRIV struct sr_dev_driver radioshack_22_168_driver_info;
57SR_PRIV struct sr_dev_driver radioshack_22_805_driver_info;
58SR_PRIV struct sr_dev_driver radioshack_22_812_driver_info;
59SR_PRIV struct sr_dev_driver tecpel_dmm_8061_ser_driver_info;
60SR_PRIV struct sr_dev_driver voltcraft_m3650cr_driver_info;
61SR_PRIV struct sr_dev_driver voltcraft_m3650d_driver_info;
62SR_PRIV struct sr_dev_driver voltcraft_m4650cr_driver_info;
63SR_PRIV struct sr_dev_driver voltcraft_me42_driver_info;
64SR_PRIV struct sr_dev_driver voltcraft_vc820_ser_driver_info;
65SR_PRIV struct sr_dev_driver voltcraft_vc830_ser_driver_info;
66SR_PRIV struct sr_dev_driver voltcraft_vc840_ser_driver_info;
67SR_PRIV struct sr_dev_driver uni_t_ut60a_ser_driver_info;
68SR_PRIV struct sr_dev_driver uni_t_ut60e_ser_driver_info;
69SR_PRIV struct sr_dev_driver uni_t_ut60g_ser_driver_info;
70SR_PRIV struct sr_dev_driver uni_t_ut61b_ser_driver_info;
71SR_PRIV struct sr_dev_driver uni_t_ut61c_ser_driver_info;
72SR_PRIV struct sr_dev_driver uni_t_ut61d_ser_driver_info;
73SR_PRIV struct sr_dev_driver uni_t_ut61e_ser_driver_info;
74SR_PRIV struct sr_dev_driver iso_tech_idm103n_driver_info;
75SR_PRIV struct sr_dev_driver tenma_72_7745_ser_driver_info;
76SR_PRIV struct sr_dev_driver tenma_72_7750_ser_driver_info;
77SR_PRIV struct sr_dev_driver brymen_bm25x_ser_driver_info;
78
79SR_PRIV struct dmm_info dmms[] = {
80 {
81 "BBC Goertz Metrawatt", "M2110", "1200/7n2", 1200,
82 BBCGM_M2110_PACKET_SIZE, 0, 0, NULL,
83 sr_m2110_packet_valid, sr_m2110_parse,
84 NULL,
85 &bbcgm_m2110_driver_info, receive_data_BBCGM_M2110,
86 },
87 {
88 "Digitek", "DT4000ZC", "2400/8n1/dtr=1", 2400,
89 FS9721_PACKET_SIZE, 0, 0, NULL,
90 sr_fs9721_packet_valid, sr_fs9721_parse,
91 sr_fs9721_10_temp_c,
92 &digitek_dt4000zc_driver_info, receive_data_DIGITEK_DT4000ZC,
93 },
94 {
95 "TekPower", "TP4000ZC", "2400/8n1/dtr=1", 2400,
96 FS9721_PACKET_SIZE, 0, 0, NULL,
97 sr_fs9721_packet_valid, sr_fs9721_parse,
98 sr_fs9721_10_temp_c,
99 &tekpower_tp4000zc_driver_info, receive_data_TEKPOWER_TP4000ZC,
100 },
101 {
102 "Metex", "ME-31", "600/7n2/rts=0/dtr=1", 600,
103 METEX14_PACKET_SIZE, 0, 0, sr_metex14_packet_request,
104 sr_metex14_packet_valid, sr_metex14_parse,
105 NULL,
106 &metex_me31_driver_info, receive_data_METEX_ME31,
107 },
108 {
109 "Peaktech", "3410", "600/7n2/rts=0/dtr=1", 600,
110 METEX14_PACKET_SIZE, 0, 0, sr_metex14_packet_request,
111 sr_metex14_packet_valid, sr_metex14_parse,
112 NULL,
113 &peaktech_3410_driver_info, receive_data_PEAKTECH_3410,
114 },
115 {
116 "MASTECH", "MAS345", "600/7n2/rts=0/dtr=1", 600,
117 METEX14_PACKET_SIZE, 0, 0, sr_metex14_packet_request,
118 sr_metex14_packet_valid, sr_metex14_parse,
119 NULL,
120 &mastech_mas345_driver_info, receive_data_MASTECH_MAS345,
121 },
122 {
123 "V&A", "VA18B", "2400/8n1", 2400,
124 FS9721_PACKET_SIZE, 0, 0, NULL,
125 sr_fs9721_packet_valid, sr_fs9721_parse,
126 sr_fs9721_01_temp_c,
127 &va_va18b_driver_info, receive_data_VA_VA18B,
128 },
129 {
130 "V&A", "VA40B", "2400/8n1", 2400,
131 FS9721_PACKET_SIZE, 0, 0, NULL,
132 sr_fs9721_packet_valid, sr_fs9721_parse,
133 sr_fs9721_max_c_min,
134 &va_va40b_driver_info, receive_data_VA_VA40B,
135 },
136 {
137 "Metex", "M-3640D", "1200/7n2/rts=0/dtr=1", 1200,
138 METEX14_PACKET_SIZE, 0, 0, sr_metex14_packet_request,
139 sr_metex14_packet_valid, sr_metex14_parse,
140 NULL,
141 &metex_m3640d_driver_info, receive_data_METEX_M3640D,
142 },
143 {
144 "Metex", "M-4650CR", "1200/7n2/rts=0/dtr=1", 1200,
145 METEX14_PACKET_SIZE, 0, 0, sr_metex14_packet_request,
146 sr_metex14_packet_valid, sr_metex14_parse,
147 NULL,
148 &metex_m4650cr_driver_info, receive_data_METEX_M4650CR,
149 },
150 {
151 "PeakTech", "4370", "1200/7n2/rts=0/dtr=1", 1200,
152 METEX14_PACKET_SIZE, 0, 0, sr_metex14_packet_request,
153 sr_metex14_packet_valid, sr_metex14_parse,
154 NULL,
155 &peaktech_4370_driver_info, receive_data_PEAKTECH_4370,
156 },
157 {
158 "PCE", "PCE-DM32", "2400/8n1", 2400,
159 FS9721_PACKET_SIZE, 0, 0, NULL,
160 sr_fs9721_packet_valid, sr_fs9721_parse,
161 sr_fs9721_01_10_temp_f_c,
162 &pce_pce_dm32_driver_info, receive_data_PCE_PCE_DM32,
163 },
164 {
165 "RadioShack", "22-168", "1200/7n2/rts=0/dtr=1", 1200,
166 METEX14_PACKET_SIZE, 0, 0, sr_metex14_packet_request,
167 sr_metex14_packet_valid, sr_metex14_parse,
168 NULL,
169 &radioshack_22_168_driver_info, receive_data_RADIOSHACK_22_168,
170 },
171 {
172 "RadioShack", "22-805", "600/7n2/rts=0/dtr=1", 600,
173 METEX14_PACKET_SIZE, 0, 0, sr_metex14_packet_request,
174 sr_metex14_packet_valid, sr_metex14_parse,
175 NULL,
176 &radioshack_22_805_driver_info, receive_data_RADIOSHACK_22_805,
177 },
178 {
179 "RadioShack", "22-812", "4800/8n1/rts=0/dtr=1", 4800,
180 RS9LCD_PACKET_SIZE, 0, 0, NULL,
181 sr_rs9lcd_packet_valid, sr_rs9lcd_parse,
182 NULL,
183 &radioshack_22_812_driver_info, receive_data_RADIOSHACK_22_812,
184 },
185 {
186 "Tecpel", "DMM-8061 (UT-D02 cable)", "2400/8n1/rts=0/dtr=1",
187 2400, FS9721_PACKET_SIZE, 0, 0, NULL,
188 sr_fs9721_packet_valid, sr_fs9721_parse,
189 sr_fs9721_00_temp_c,
190 &tecpel_dmm_8061_ser_driver_info,
191 receive_data_TECPEL_DMM_8061_SER,
192 },
193 {
194 "Voltcraft", "M-3650CR", "1200/7n2/rts=0/dtr=1", 1200,
195 METEX14_PACKET_SIZE, 150, 20, sr_metex14_packet_request,
196 sr_metex14_packet_valid, sr_metex14_parse,
197 NULL,
198 &voltcraft_m3650cr_driver_info, receive_data_VOLTCRAFT_M3650CR,
199 },
200 {
201 "Voltcraft", "M-3650D", "1200/7n2/rts=0/dtr=1", 1200,
202 METEX14_PACKET_SIZE, 0, 0, sr_metex14_packet_request,
203 sr_metex14_packet_valid, sr_metex14_parse,
204 NULL,
205 &voltcraft_m3650d_driver_info, receive_data_VOLTCRAFT_M3650D,
206 },
207 {
208 "Voltcraft", "M-4650CR", "1200/7n2/rts=0/dtr=1", 1200,
209 METEX14_PACKET_SIZE, 0, 0, sr_metex14_packet_request,
210 sr_metex14_packet_valid, sr_metex14_parse,
211 NULL,
212 &voltcraft_m4650cr_driver_info, receive_data_VOLTCRAFT_M4650CR,
213 },
214 {
215 "Voltcraft", "ME-42", "600/7n2/rts=0/dtr=1", 600,
216 METEX14_PACKET_SIZE, 250, 60, sr_metex14_packet_request,
217 sr_metex14_packet_valid, sr_metex14_parse,
218 NULL,
219 &voltcraft_me42_driver_info, receive_data_VOLTCRAFT_ME42,
220 },
221 {
222 "Voltcraft", "VC-820 (UT-D02 cable)", "2400/8n1/rts=0/dtr=1",
223 2400, FS9721_PACKET_SIZE, 0, 0, NULL,
224 sr_fs9721_packet_valid, sr_fs9721_parse,
225 NULL,
226 &voltcraft_vc820_ser_driver_info,
227 receive_data_VOLTCRAFT_VC820_SER,
228 },
229 {
230 /*
231 * Note: The VC830 doesn't set the 'volt' and 'diode' bits of
232 * the FS9922 protocol. Instead, it only sets the user-defined
233 * bit "z1" to indicate "diode mode" and "voltage".
234 */
235 "Voltcraft", "VC-830 (UT-D02 cable)", "2400/8n1/rts=0/dtr=1",
236 2400, FS9922_PACKET_SIZE, 0, 0, NULL,
237 sr_fs9922_packet_valid, sr_fs9922_parse,
238 &sr_fs9922_z1_diode,
239 &voltcraft_vc830_ser_driver_info,
240 receive_data_VOLTCRAFT_VC830_SER,
241 },
242 {
243 "Voltcraft", "VC-840 (UT-D02 cable)", "2400/8n1/rts=0/dtr=1",
244 2400, FS9721_PACKET_SIZE, 0, 0, NULL,
245 sr_fs9721_packet_valid, sr_fs9721_parse,
246 sr_fs9721_00_temp_c,
247 &voltcraft_vc840_ser_driver_info,
248 receive_data_VOLTCRAFT_VC840_SER,
249 },
250 {
251 "UNI-T", "UT60A (UT-D02 cable)", "2400/8n1/rts=0/dtr=1",
252 2400, FS9721_PACKET_SIZE, 0, 0, NULL,
253 sr_fs9721_packet_valid, sr_fs9721_parse,
254 NULL,
255 &uni_t_ut60a_ser_driver_info,
256 receive_data_UNI_T_UT60A_SER,
257 },
258 {
259 "UNI-T", "UT60E (UT-D02 cable)", "2400/8n1/rts=0/dtr=1",
260 2400, FS9721_PACKET_SIZE, 0, 0, NULL,
261 sr_fs9721_packet_valid, sr_fs9721_parse,
262 sr_fs9721_00_temp_c,
263 &uni_t_ut60e_ser_driver_info,
264 receive_data_UNI_T_UT60E_SER,
265 },
266 {
267 /* Note: ES51986 baudrate is actually 19230! */
268 "UNI-T", "UT60G (UT-D02 cable)", "19200/7o1/rts=0/dtr=1",
269 19200, ES519XX_11B_PACKET_SIZE, 0, 0, NULL,
270 sr_es519xx_19200_11b_packet_valid, sr_es519xx_19200_11b_parse,
271 NULL,
272 &uni_t_ut60g_ser_driver_info, receive_data_UNI_T_UT60G_SER,
273 },
274 {
275 "UNI-T", "UT61B (UT-D02 cable)", "2400/8n1/rts=0/dtr=1",
276 2400, FS9922_PACKET_SIZE, 0, 0, NULL,
277 sr_fs9922_packet_valid, sr_fs9922_parse, NULL,
278 &uni_t_ut61b_ser_driver_info, receive_data_UNI_T_UT61B_SER,
279 },
280 {
281 "UNI-T", "UT61C (UT-D02 cable)", "2400/8n1/rts=0/dtr=1",
282 2400, FS9922_PACKET_SIZE, 0, 0, NULL,
283 sr_fs9922_packet_valid, sr_fs9922_parse, NULL,
284 &uni_t_ut61c_ser_driver_info, receive_data_UNI_T_UT61C_SER,
285 },
286 {
287 "UNI-T", "UT61D (UT-D02 cable)", "2400/8n1/rts=0/dtr=1",
288 2400, FS9922_PACKET_SIZE, 0, 0, NULL,
289 sr_fs9922_packet_valid, sr_fs9922_parse, NULL,
290 &uni_t_ut61d_ser_driver_info, receive_data_UNI_T_UT61D_SER,
291 },
292 {
293 /* Note: ES51922 baudrate is actually 19230! */
294 "UNI-T", "UT61E (UT-D02 cable)", "19200/7o1/rts=0/dtr=1",
295 19200, ES519XX_14B_PACKET_SIZE, 0, 0, NULL,
296 sr_es519xx_19200_14b_packet_valid, sr_es519xx_19200_14b_parse,
297 NULL,
298 &uni_t_ut61e_ser_driver_info, receive_data_UNI_T_UT61E_SER,
299 },
300 {
301 "ISO-TECH", "IDM103N", "2400/7o1/rts=0/dtr=1",
302 2400, ES519XX_11B_PACKET_SIZE, 0, 0, NULL,
303 sr_es519xx_2400_11b_packet_valid, sr_es519xx_2400_11b_parse,
304 NULL,
305 &iso_tech_idm103n_driver_info, receive_data_ISO_TECH_IDM103N,
306 },
307 {
308 "Tenma", "72-7745 (UT-D02 cable)", "2400/8n1/rts=0/dtr=1",
309 2400, FS9721_PACKET_SIZE, 0, 0, NULL,
310 sr_fs9721_packet_valid, sr_fs9721_parse,
311 sr_fs9721_00_temp_c,
312 &tenma_72_7745_ser_driver_info, receive_data_TENMA_72_7745_SER,
313 },
314 {
315 /* Note: ES51986 baudrate is actually 19230! */
316 "Tenma", "72-7750 (UT-D02 cable)", "19200/7o1/rts=0/dtr=1",
317 19200, ES519XX_11B_PACKET_SIZE, 0, 0, NULL,
318 sr_es519xx_19200_11b_packet_valid, sr_es519xx_19200_11b_parse,
319 NULL,
320 &tenma_72_7750_ser_driver_info, receive_data_TENMA_72_7750_SER,
321 },
322 {
323 "Brymen", "BM25x (BC20X cable)", "9600/8n1/rts=1/dtr=1",
324 9600, BRYMEN_BM25X_PACKET_SIZE, 0, 0, NULL,
325 sr_brymen_bm25x_packet_valid, sr_brymen_bm25x_parse,
326 NULL,
327 &brymen_bm25x_ser_driver_info, receive_data_BRYMEN_BM25X_SER,
328 },
329};
330
331static int dev_clear(int dmm)
332{
333 return std_dev_clear(dmms[dmm].di, NULL);
334}
335
336static int init(struct sr_context *sr_ctx, int dmm)
337{
338 return std_init(sr_ctx, dmms[dmm].di, LOG_PREFIX);
339}
340
341static GSList *sdmm_scan(const char *conn, const char *serialcomm, int dmm)
342{
343 struct sr_dev_inst *sdi;
344 struct drv_context *drvc;
345 struct dev_context *devc;
346 struct sr_channel *ch;
347 struct sr_serial_dev_inst *serial;
348 GSList *devices;
349 int dropped, ret;
350 size_t len;
351 uint8_t buf[128];
352
353 if (!(serial = sr_serial_dev_inst_new(conn, serialcomm)))
354 return NULL;
355
356 if (serial_open(serial, SERIAL_RDWR | SERIAL_NONBLOCK) != SR_OK)
357 return NULL;
358
359 sr_info("Probing serial port %s.", conn);
360
361 drvc = dmms[dmm].di->priv;
362 devices = NULL;
363 serial_flush(serial);
364
365 /* Request a packet if the DMM requires this. */
366 if (dmms[dmm].packet_request) {
367 if ((ret = dmms[dmm].packet_request(serial)) < 0) {
368 sr_err("Failed to request packet: %d.", ret);
369 return FALSE;
370 }
371 }
372
373 /*
374 * There's no way to get an ID from the multimeter. It just sends data
375 * periodically (or upon request), so the best we can do is check if
376 * the packets match the expected format.
377 */
378
379 /* Let's get a bit of data and see if we can find a packet. */
380 len = sizeof(buf);
381 ret = serial_stream_detect(serial, buf, &len, dmms[dmm].packet_size,
382 dmms[dmm].packet_valid, 3000,
383 dmms[dmm].baudrate);
384 if (ret != SR_OK)
385 goto scan_cleanup;
386
387 /*
388 * If we dropped more than two packets worth of data, something is
389 * wrong. We shouldn't quit however, since the dropped bytes might be
390 * just zeroes at the beginning of the stream. Those can occur as a
391 * combination of the nonstandard cable that ships with some devices
392 * and the serial port or USB to serial adapter.
393 */
394 dropped = len - dmms[dmm].packet_size;
395 if (dropped > 2 * dmms[dmm].packet_size)
396 sr_warn("Had to drop too much data.");
397
398 sr_info("Found device on port %s.", conn);
399
400 if (!(sdi = sr_dev_inst_new(0, SR_ST_INACTIVE, dmms[dmm].vendor,
401 dmms[dmm].device, NULL)))
402 goto scan_cleanup;
403
404 if (!(devc = g_try_malloc0(sizeof(struct dev_context)))) {
405 sr_err("Device context malloc failed.");
406 goto scan_cleanup;
407 }
408
409 sdi->inst_type = SR_INST_SERIAL;
410 sdi->conn = serial;
411
412 sdi->priv = devc;
413 sdi->driver = dmms[dmm].di;
414 if (!(ch = sr_channel_new(0, SR_CHANNEL_ANALOG, TRUE, "P1")))
415 goto scan_cleanup;
416 sdi->channels = g_slist_append(sdi->channels, ch);
417 drvc->instances = g_slist_append(drvc->instances, sdi);
418 devices = g_slist_append(devices, sdi);
419
420scan_cleanup:
421 serial_close(serial);
422
423 return devices;
424}
425
426static GSList *scan(GSList *options, int dmm)
427{
428 struct sr_config *src;
429 GSList *l, *devices;
430 const char *conn, *serialcomm;
431
432 conn = serialcomm = NULL;
433 for (l = options; l; l = l->next) {
434 src = l->data;
435 switch (src->key) {
436 case SR_CONF_CONN:
437 conn = g_variant_get_string(src->data, NULL);
438 break;
439 case SR_CONF_SERIALCOMM:
440 serialcomm = g_variant_get_string(src->data, NULL);
441 break;
442 }
443 }
444 if (!conn)
445 return NULL;
446
447 if (serialcomm) {
448 /* Use the provided comm specs. */
449 devices = sdmm_scan(conn, serialcomm, dmm);
450 } else {
451 /* Try the default. */
452 devices = sdmm_scan(conn, dmms[dmm].conn, dmm);
453 }
454
455 return devices;
456}
457
458static GSList *dev_list(int dmm)
459{
460 return ((struct drv_context *)(dmms[dmm].di->priv))->instances;
461}
462
463static int cleanup(int dmm)
464{
465 return dev_clear(dmm);
466}
467
468static int config_set(uint32_t key, GVariant *data, const struct sr_dev_inst *sdi,
469 const struct sr_channel_group *cg)
470{
471 struct dev_context *devc;
472
473 (void)cg;
474
475 if (sdi->status != SR_ST_ACTIVE)
476 return SR_ERR_DEV_CLOSED;
477
478 if (!(devc = sdi->priv)) {
479 sr_err("sdi->priv was NULL.");
480 return SR_ERR_BUG;
481 }
482
483 switch (key) {
484 case SR_CONF_LIMIT_SAMPLES:
485 devc->limit_samples = g_variant_get_uint64(data);
486 sr_dbg("Setting sample limit to %" PRIu64 ".",
487 devc->limit_samples);
488 break;
489 case SR_CONF_LIMIT_MSEC:
490 devc->limit_msec = g_variant_get_uint64(data);
491 sr_dbg("Setting time limit to %" PRIu64 "ms.",
492 devc->limit_msec);
493 break;
494 default:
495 return SR_ERR_NA;
496 }
497
498 return SR_OK;
499}
500
501static int config_list(uint32_t key, GVariant **data, const struct sr_dev_inst *sdi,
502 const struct sr_channel_group *cg)
503{
504 (void)sdi;
505 (void)cg;
506
507 switch (key) {
508 case SR_CONF_SCAN_OPTIONS:
509 *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32,
510 hwopts, ARRAY_SIZE(hwopts), sizeof(uint32_t));
511 break;
512 case SR_CONF_DEVICE_OPTIONS:
513 *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32,
514 hwcaps, ARRAY_SIZE(hwcaps), sizeof(uint32_t));
515 break;
516 default:
517 return SR_ERR_NA;
518 }
519
520 return SR_OK;
521}
522
523static int dev_acquisition_start(const struct sr_dev_inst *sdi,
524 void *cb_data, int dmm)
525{
526 struct dev_context *devc;
527 struct sr_serial_dev_inst *serial;
528
529 if (sdi->status != SR_ST_ACTIVE)
530 return SR_ERR_DEV_CLOSED;
531
532 if (!(devc = sdi->priv)) {
533 sr_err("sdi->priv was NULL.");
534 return SR_ERR_BUG;
535 }
536
537 devc->cb_data = cb_data;
538
539 /*
540 * Reset the number of samples to take. If we've already collected our
541 * quota, but we start a new session, and don't reset this, we'll just
542 * quit without acquiring any new samples.
543 */
544 devc->num_samples = 0;
545 devc->starttime = g_get_monotonic_time();
546
547 /* Send header packet to the session bus. */
548 std_session_send_df_header(cb_data, LOG_PREFIX);
549
550 /* Poll every 50ms, or whenever some data comes in. */
551 serial = sdi->conn;
552 serial_source_add(sdi->session, serial, G_IO_IN, 50,
553 dmms[dmm].receive_data, (void *)sdi);
554
555 return SR_OK;
556}
557
558static int dev_acquisition_stop(struct sr_dev_inst *sdi, void *cb_data)
559{
560 return std_serial_dev_acquisition_stop(sdi, cb_data, std_serial_dev_close,
561 sdi->conn, LOG_PREFIX);
562}
563
564/* Driver-specific API function wrappers */
565#define HW_INIT(X) \
566static int init_##X(struct sr_context *sr_ctx) { return init(sr_ctx, X); }
567#define HW_CLEANUP(X) \
568static int cleanup_##X(void) { return cleanup(X); }
569#define HW_SCAN(X) \
570static GSList *scan_##X(GSList *options) { return scan(options, X); }
571#define HW_DEV_LIST(X) \
572static GSList *dev_list_##X(void) { return dev_list(X); }
573#define HW_DEV_CLEAR(X) \
574static int dev_clear_##X(void) { return dev_clear(X); }
575#define HW_DEV_ACQUISITION_START(X) \
576static int dev_acquisition_start_##X(const struct sr_dev_inst *sdi, \
577void *cb_data) { return dev_acquisition_start(sdi, cb_data, X); }
578
579/* Driver structs and API function wrappers */
580#define DRV(ID, ID_UPPER, NAME, LONGNAME) \
581HW_INIT(ID_UPPER) \
582HW_CLEANUP(ID_UPPER) \
583HW_SCAN(ID_UPPER) \
584HW_DEV_LIST(ID_UPPER) \
585HW_DEV_CLEAR(ID_UPPER) \
586HW_DEV_ACQUISITION_START(ID_UPPER) \
587SR_PRIV struct sr_dev_driver ID##_driver_info = { \
588 .name = NAME, \
589 .longname = LONGNAME, \
590 .api_version = 1, \
591 .init = init_##ID_UPPER, \
592 .cleanup = cleanup_##ID_UPPER, \
593 .scan = scan_##ID_UPPER, \
594 .dev_list = dev_list_##ID_UPPER, \
595 .dev_clear = dev_clear_##ID_UPPER, \
596 .config_get = NULL, \
597 .config_set = config_set, \
598 .config_list = config_list, \
599 .dev_open = std_serial_dev_open, \
600 .dev_close = std_serial_dev_close, \
601 .dev_acquisition_start = dev_acquisition_start_##ID_UPPER, \
602 .dev_acquisition_stop = dev_acquisition_stop, \
603 .priv = NULL, \
604};
605
606DRV(bbcgm_m2110, BBCGM_M2110, "bbcgm-m2110", "BBC Goertz Metrawatt M2110")
607DRV(digitek_dt4000zc, DIGITEK_DT4000ZC, "digitek-dt4000zc", "Digitek DT4000ZC")
608DRV(tekpower_tp4000zc, TEKPOWER_TP4000ZC, "tekpower-tp4000zc", "TekPower TP4000ZC")
609DRV(metex_me31, METEX_ME31, "metex-me31", "Metex ME-31")
610DRV(peaktech_3410, PEAKTECH_3410, "peaktech-3410", "PeakTech 3410")
611DRV(mastech_mas345, MASTECH_MAS345, "mastech-mas345", "MASTECH MAS345")
612DRV(va_va18b, VA_VA18B, "va-va18b", "V&A VA18B")
613DRV(va_va40b, VA_VA40B, "va-va40b", "V&A VA40B")
614DRV(metex_m3640d, METEX_M3640D, "metex-m3640d", "Metex M-3640D")
615DRV(metex_m4650cr, METEX_M4650CR, "metex-m4650cr", "Metex M-4650CR")
616DRV(peaktech_4370, PEAKTECH_4370, "peaktech-4370", "PeakTech 4370")
617DRV(pce_pce_dm32, PCE_PCE_DM32, "pce-pce-dm32", "PCE PCE-DM32")
618DRV(radioshack_22_168, RADIOSHACK_22_168, "radioshack-22-168", "RadioShack 22-168")
619DRV(radioshack_22_805, RADIOSHACK_22_805, "radioshack-22-805", "RadioShack 22-805")
620DRV(radioshack_22_812, RADIOSHACK_22_812, "radioshack-22-812", "RadioShack 22-812")
621DRV(tecpel_dmm_8061_ser, TECPEL_DMM_8061_SER, "tecpel-dmm-8061-ser", "Tecpel DMM-8061 (UT-D02 cable)")
622DRV(voltcraft_m3650cr, VOLTCRAFT_M3650CR, "voltcraft-m3650cr", "Voltcraft M-3650CR")
623DRV(voltcraft_m3650d, VOLTCRAFT_M3650D, "voltcraft-m3650d", "Voltcraft M-3650D")
624DRV(voltcraft_m4650cr, VOLTCRAFT_M4650CR, "voltcraft-m4650cr", "Voltcraft M-4650CR")
625DRV(voltcraft_me42, VOLTCRAFT_ME42, "voltcraft-me42", "Voltcraft ME-42")
626DRV(voltcraft_vc820_ser, VOLTCRAFT_VC820_SER, "voltcraft-vc820-ser", "Voltcraft VC-820 (UT-D02 cable)")
627DRV(voltcraft_vc830_ser, VOLTCRAFT_VC830_SER, "voltcraft-vc830-ser", "Voltcraft VC-830 (UT-D02 cable)")
628DRV(voltcraft_vc840_ser, VOLTCRAFT_VC840_SER, "voltcraft-vc840-ser", "Voltcraft VC-840 (UT-D02 cable)")
629DRV(uni_t_ut60a_ser, UNI_T_UT60A_SER, "uni-t-ut60a-ser", "UNI-T UT60A (UT-D02 cable)")
630DRV(uni_t_ut60e_ser, UNI_T_UT60E_SER, "uni-t-ut60e-ser", "UNI-T UT60E (UT-D02 cable)")
631DRV(uni_t_ut60g_ser, UNI_T_UT60G_SER, "uni-t-ut60g-ser", "UNI-T UT60G (UT-D02 cable)")
632DRV(uni_t_ut61b_ser, UNI_T_UT61B_SER, "uni-t-ut61b-ser", "UNI-T UT61B (UT-D02 cable)")
633DRV(uni_t_ut61c_ser, UNI_T_UT61C_SER, "uni-t-ut61c-ser", "UNI-T UT61C (UT-D02 cable)")
634DRV(uni_t_ut61d_ser, UNI_T_UT61D_SER, "uni-t-ut61d-ser", "UNI-T UT61D (UT-D02 cable)")
635DRV(uni_t_ut61e_ser, UNI_T_UT61E_SER, "uni-t-ut61e-ser", "UNI-T UT61E (UT-D02 cable)")
636DRV(iso_tech_idm103n, ISO_TECH_IDM103N, "iso-tech-idm103n", "ISO-TECH IDM103N")
637DRV(tenma_72_7745_ser, TENMA_72_7745_SER, "tenma-72-7745-ser", "Tenma 72-7745 (UT-D02 cable)")
638DRV(tenma_72_7750_ser, TENMA_72_7750_SER, "tenma-72-7750-ser", "Tenma 72-7750 (UT-D02 cable)")
639DRV(brymen_bm25x_ser, BRYMEN_BM25X_SER, "brymen-bm25x-ser", "Brymen BM25x (BC20X cable)")
Hardware access and backend lib