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Pass driver struct pointer to driver callbacks.
[libsigrok.git] / src / hardware / serial-dmm / api.c
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CommitLineData
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 scanopts[] = {
33 SR_CONF_CONN,
34 SR_CONF_SERIALCOMM,
35};
36
37static const uint32_t devopts[] = {
38 SR_CONF_MULTIMETER,
39 SR_CONF_CONTINUOUS,
40 SR_CONF_LIMIT_SAMPLES | SR_CONF_SET,
41 SR_CONF_LIMIT_MSEC | SR_CONF_SET,
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 mastech_ms8250b_driver_info;
51SR_PRIV struct sr_dev_driver va_va18b_driver_info;
52SR_PRIV struct sr_dev_driver va_va40b_driver_info;
53SR_PRIV struct sr_dev_driver metex_m3640d_driver_info;
54SR_PRIV struct sr_dev_driver metex_m4650cr_driver_info;
55SR_PRIV struct sr_dev_driver peaktech_4370_driver_info;
56SR_PRIV struct sr_dev_driver pce_pce_dm32_driver_info;
57SR_PRIV struct sr_dev_driver radioshack_22_168_driver_info;
58SR_PRIV struct sr_dev_driver radioshack_22_805_driver_info;
59SR_PRIV struct sr_dev_driver radioshack_22_812_driver_info;
60SR_PRIV struct sr_dev_driver tecpel_dmm_8061_ser_driver_info;
61SR_PRIV struct sr_dev_driver voltcraft_m3650cr_driver_info;
62SR_PRIV struct sr_dev_driver voltcraft_m3650d_driver_info;
63SR_PRIV struct sr_dev_driver voltcraft_m4650cr_driver_info;
64SR_PRIV struct sr_dev_driver voltcraft_me42_driver_info;
65SR_PRIV struct sr_dev_driver voltcraft_vc820_ser_driver_info;
66SR_PRIV struct sr_dev_driver voltcraft_vc830_ser_driver_info;
67SR_PRIV struct sr_dev_driver voltcraft_vc840_ser_driver_info;
68SR_PRIV struct sr_dev_driver voltcraft_vc870_ser_driver_info;
69SR_PRIV struct sr_dev_driver voltcraft_vc920_ser_driver_info;
70SR_PRIV struct sr_dev_driver voltcraft_vc940_ser_driver_info;
71SR_PRIV struct sr_dev_driver voltcraft_vc960_ser_driver_info;
72SR_PRIV struct sr_dev_driver uni_t_ut60a_ser_driver_info;
73SR_PRIV struct sr_dev_driver uni_t_ut60e_ser_driver_info;
74SR_PRIV struct sr_dev_driver uni_t_ut60g_ser_driver_info;
75SR_PRIV struct sr_dev_driver uni_t_ut61b_ser_driver_info;
76SR_PRIV struct sr_dev_driver uni_t_ut61c_ser_driver_info;
77SR_PRIV struct sr_dev_driver uni_t_ut61d_ser_driver_info;
78SR_PRIV struct sr_dev_driver uni_t_ut61e_ser_driver_info;
79SR_PRIV struct sr_dev_driver uni_t_ut71a_ser_driver_info;
80SR_PRIV struct sr_dev_driver uni_t_ut71b_ser_driver_info;
81SR_PRIV struct sr_dev_driver uni_t_ut71c_ser_driver_info;
82SR_PRIV struct sr_dev_driver uni_t_ut71d_ser_driver_info;
83SR_PRIV struct sr_dev_driver uni_t_ut71e_ser_driver_info;
84SR_PRIV struct sr_dev_driver iso_tech_idm103n_driver_info;
85SR_PRIV struct sr_dev_driver tenma_72_7745_ser_driver_info;
86SR_PRIV struct sr_dev_driver tenma_72_7750_ser_driver_info;
87SR_PRIV struct sr_dev_driver brymen_bm25x_driver_info;
88
89SR_PRIV struct dmm_info dmms[] = {
90 {
91 "BBC Goertz Metrawatt", "M2110", "1200/7n2", 1200,
92 BBCGM_M2110_PACKET_SIZE, 0, 0, NULL,
93 sr_m2110_packet_valid, sr_m2110_parse,
94 NULL,
95 &bbcgm_m2110_driver_info, receive_data_BBCGM_M2110,
96 },
97 {
98 "Digitek", "DT4000ZC", "2400/8n1/dtr=1", 2400,
99 FS9721_PACKET_SIZE, 0, 0, NULL,
100 sr_fs9721_packet_valid, sr_fs9721_parse,
101 sr_fs9721_10_temp_c,
102 &digitek_dt4000zc_driver_info, receive_data_DIGITEK_DT4000ZC,
103 },
104 {
105 "TekPower", "TP4000ZC", "2400/8n1/dtr=1", 2400,
106 FS9721_PACKET_SIZE, 0, 0, NULL,
107 sr_fs9721_packet_valid, sr_fs9721_parse,
108 sr_fs9721_10_temp_c,
109 &tekpower_tp4000zc_driver_info, receive_data_TEKPOWER_TP4000ZC,
110 },
111 {
112 "Metex", "ME-31", "600/7n2/rts=0/dtr=1", 600,
113 METEX14_PACKET_SIZE, 0, 0, sr_metex14_packet_request,
114 sr_metex14_packet_valid, sr_metex14_parse,
115 NULL,
116 &metex_me31_driver_info, receive_data_METEX_ME31,
117 },
118 {
119 "Peaktech", "3410", "600/7n2/rts=0/dtr=1", 600,
120 METEX14_PACKET_SIZE, 0, 0, sr_metex14_packet_request,
121 sr_metex14_packet_valid, sr_metex14_parse,
122 NULL,
123 &peaktech_3410_driver_info, receive_data_PEAKTECH_3410,
124 },
125 {
126 "MASTECH", "MAS345", "600/7n2/rts=0/dtr=1", 600,
127 METEX14_PACKET_SIZE, 0, 0, sr_metex14_packet_request,
128 sr_metex14_packet_valid, sr_metex14_parse,
129 NULL,
130 &mastech_mas345_driver_info, receive_data_MASTECH_MAS345,
131 },
132 {
133 "MASTECH", "MS8250B", "2400/8n1/rts=0/dtr=1",
134 2400, FS9721_PACKET_SIZE, 0, 0, NULL,
135 sr_fs9721_packet_valid, sr_fs9721_parse,
136 NULL,
137 &mastech_ms8250b_driver_info, receive_data_MASTECH_MS8250B,
138 },
139 {
140 "V&A", "VA18B", "2400/8n1", 2400,
141 FS9721_PACKET_SIZE, 0, 0, NULL,
142 sr_fs9721_packet_valid, sr_fs9721_parse,
143 sr_fs9721_01_temp_c,
144 &va_va18b_driver_info, receive_data_VA_VA18B,
145 },
146 {
147 "V&A", "VA40B", "2400/8n1", 2400,
148 FS9721_PACKET_SIZE, 0, 0, NULL,
149 sr_fs9721_packet_valid, sr_fs9721_parse,
150 sr_fs9721_max_c_min,
151 &va_va40b_driver_info, receive_data_VA_VA40B,
152 },
153 {
154 "Metex", "M-3640D", "1200/7n2/rts=0/dtr=1", 1200,
155 METEX14_PACKET_SIZE, 0, 0, sr_metex14_packet_request,
156 sr_metex14_packet_valid, sr_metex14_parse,
157 NULL,
158 &metex_m3640d_driver_info, receive_data_METEX_M3640D,
159 },
160 {
161 "Metex", "M-4650CR", "1200/7n2/rts=0/dtr=1", 1200,
162 METEX14_PACKET_SIZE, 0, 0, sr_metex14_packet_request,
163 sr_metex14_packet_valid, sr_metex14_parse,
164 NULL,
165 &metex_m4650cr_driver_info, receive_data_METEX_M4650CR,
166 },
167 {
168 "PeakTech", "4370", "1200/7n2/rts=0/dtr=1", 1200,
169 METEX14_PACKET_SIZE, 0, 0, sr_metex14_packet_request,
170 sr_metex14_packet_valid, sr_metex14_parse,
171 NULL,
172 &peaktech_4370_driver_info, receive_data_PEAKTECH_4370,
173 },
174 {
175 "PCE", "PCE-DM32", "2400/8n1", 2400,
176 FS9721_PACKET_SIZE, 0, 0, NULL,
177 sr_fs9721_packet_valid, sr_fs9721_parse,
178 sr_fs9721_01_10_temp_f_c,
179 &pce_pce_dm32_driver_info, receive_data_PCE_PCE_DM32,
180 },
181 {
182 "RadioShack", "22-168", "1200/7n2/rts=0/dtr=1", 1200,
183 METEX14_PACKET_SIZE, 0, 0, sr_metex14_packet_request,
184 sr_metex14_packet_valid, sr_metex14_parse,
185 NULL,
186 &radioshack_22_168_driver_info, receive_data_RADIOSHACK_22_168,
187 },
188 {
189 "RadioShack", "22-805", "600/7n2/rts=0/dtr=1", 600,
190 METEX14_PACKET_SIZE, 0, 0, sr_metex14_packet_request,
191 sr_metex14_packet_valid, sr_metex14_parse,
192 NULL,
193 &radioshack_22_805_driver_info, receive_data_RADIOSHACK_22_805,
194 },
195 {
196 "RadioShack", "22-812", "4800/8n1/rts=0/dtr=1", 4800,
197 RS9LCD_PACKET_SIZE, 0, 0, NULL,
198 sr_rs9lcd_packet_valid, sr_rs9lcd_parse,
199 NULL,
200 &radioshack_22_812_driver_info, receive_data_RADIOSHACK_22_812,
201 },
202 {
203 "Tecpel", "DMM-8061 (UT-D02 cable)", "2400/8n1/rts=0/dtr=1",
204 2400, FS9721_PACKET_SIZE, 0, 0, NULL,
205 sr_fs9721_packet_valid, sr_fs9721_parse,
206 sr_fs9721_00_temp_c,
207 &tecpel_dmm_8061_ser_driver_info,
208 receive_data_TECPEL_DMM_8061_SER,
209 },
210 {
211 "Voltcraft", "M-3650CR", "1200/7n2/rts=0/dtr=1", 1200,
212 METEX14_PACKET_SIZE, 150, 20, sr_metex14_packet_request,
213 sr_metex14_packet_valid, sr_metex14_parse,
214 NULL,
215 &voltcraft_m3650cr_driver_info, receive_data_VOLTCRAFT_M3650CR,
216 },
217 {
218 "Voltcraft", "M-3650D", "1200/7n2/rts=0/dtr=1", 1200,
219 METEX14_PACKET_SIZE, 0, 0, sr_metex14_packet_request,
220 sr_metex14_packet_valid, sr_metex14_parse,
221 NULL,
222 &voltcraft_m3650d_driver_info, receive_data_VOLTCRAFT_M3650D,
223 },
224 {
225 "Voltcraft", "M-4650CR", "1200/7n2/rts=0/dtr=1", 1200,
226 METEX14_PACKET_SIZE, 0, 0, sr_metex14_packet_request,
227 sr_metex14_packet_valid, sr_metex14_parse,
228 NULL,
229 &voltcraft_m4650cr_driver_info, receive_data_VOLTCRAFT_M4650CR,
230 },
231 {
232 "Voltcraft", "ME-42", "600/7n2/rts=0/dtr=1", 600,
233 METEX14_PACKET_SIZE, 250, 60, sr_metex14_packet_request,
234 sr_metex14_packet_valid, sr_metex14_parse,
235 NULL,
236 &voltcraft_me42_driver_info, receive_data_VOLTCRAFT_ME42,
237 },
238 {
239 "Voltcraft", "VC-820 (UT-D02 cable)", "2400/8n1/rts=0/dtr=1",
240 2400, FS9721_PACKET_SIZE, 0, 0, NULL,
241 sr_fs9721_packet_valid, sr_fs9721_parse,
242 NULL,
243 &voltcraft_vc820_ser_driver_info,
244 receive_data_VOLTCRAFT_VC820_SER,
245 },
246 {
247 /*
248 * Note: The VC830 doesn't set the 'volt' and 'diode' bits of
249 * the FS9922 protocol. Instead, it only sets the user-defined
250 * bit "z1" to indicate "diode mode" and "voltage".
251 */
252 "Voltcraft", "VC-830 (UT-D02 cable)", "2400/8n1/rts=0/dtr=1",
253 2400, FS9922_PACKET_SIZE, 0, 0, NULL,
254 sr_fs9922_packet_valid, sr_fs9922_parse,
255 &sr_fs9922_z1_diode,
256 &voltcraft_vc830_ser_driver_info,
257 receive_data_VOLTCRAFT_VC830_SER,
258 },
259 {
260 "Voltcraft", "VC-840 (UT-D02 cable)", "2400/8n1/rts=0/dtr=1",
261 2400, FS9721_PACKET_SIZE, 0, 0, NULL,
262 sr_fs9721_packet_valid, sr_fs9721_parse,
263 sr_fs9721_00_temp_c,
264 &voltcraft_vc840_ser_driver_info,
265 receive_data_VOLTCRAFT_VC840_SER,
266 },
267 {
268 "Voltcraft", "VC-870 (UT-D02 cable)", "9600/8n1/rts=0/dtr=1",
269 9600, VC870_PACKET_SIZE, 0, 0, NULL,
270 sr_vc870_packet_valid, sr_vc870_parse,
271 NULL,
272 &voltcraft_vc870_ser_driver_info, receive_data_VOLTCRAFT_VC870_SER,
273 },
274 {
275 "Voltcraft", "VC-920 (UT-D02 cable)", "2400/7o1/rts=0/dtr=1",
276 2400, UT71X_PACKET_SIZE, 0, 0, NULL,
277 sr_ut71x_packet_valid, sr_ut71x_parse, NULL,
278 &voltcraft_vc920_ser_driver_info,
279 receive_data_VOLTCRAFT_VC920_SER,
280 },
281 {
282 "Voltcraft", "VC-940 (UT-D02 cable)", "2400/7o1/rts=0/dtr=1",
283 2400, UT71X_PACKET_SIZE, 0, 0, NULL,
284 sr_ut71x_packet_valid, sr_ut71x_parse, NULL,
285 &voltcraft_vc940_ser_driver_info,
286 receive_data_VOLTCRAFT_VC940_SER,
287 },
288 {
289 "Voltcraft", "VC-960 (UT-D02 cable)", "2400/7o1/rts=0/dtr=1",
290 2400, UT71X_PACKET_SIZE, 0, 0, NULL,
291 sr_ut71x_packet_valid, sr_ut71x_parse, NULL,
292 &voltcraft_vc960_ser_driver_info,
293 receive_data_VOLTCRAFT_VC960_SER,
294 },
295 {
296 "UNI-T", "UT60A (UT-D02 cable)", "2400/8n1/rts=0/dtr=1",
297 2400, FS9721_PACKET_SIZE, 0, 0, NULL,
298 sr_fs9721_packet_valid, sr_fs9721_parse,
299 NULL,
300 &uni_t_ut60a_ser_driver_info,
301 receive_data_UNI_T_UT60A_SER,
302 },
303 {
304 "UNI-T", "UT60E (UT-D02 cable)", "2400/8n1/rts=0/dtr=1",
305 2400, FS9721_PACKET_SIZE, 0, 0, NULL,
306 sr_fs9721_packet_valid, sr_fs9721_parse,
307 sr_fs9721_00_temp_c,
308 &uni_t_ut60e_ser_driver_info,
309 receive_data_UNI_T_UT60E_SER,
310 },
311 {
312 /* Note: ES51986 baudrate is actually 19230! */
313 "UNI-T", "UT60G (UT-D02 cable)", "19200/7o1/rts=0/dtr=1",
314 19200, ES519XX_11B_PACKET_SIZE, 0, 0, NULL,
315 sr_es519xx_19200_11b_packet_valid, sr_es519xx_19200_11b_parse,
316 NULL,
317 &uni_t_ut60g_ser_driver_info, receive_data_UNI_T_UT60G_SER,
318 },
319 {
320 "UNI-T", "UT61B (UT-D02 cable)", "2400/8n1/rts=0/dtr=1",
321 2400, FS9922_PACKET_SIZE, 0, 0, NULL,
322 sr_fs9922_packet_valid, sr_fs9922_parse, NULL,
323 &uni_t_ut61b_ser_driver_info, receive_data_UNI_T_UT61B_SER,
324 },
325 {
326 "UNI-T", "UT61C (UT-D02 cable)", "2400/8n1/rts=0/dtr=1",
327 2400, FS9922_PACKET_SIZE, 0, 0, NULL,
328 sr_fs9922_packet_valid, sr_fs9922_parse, NULL,
329 &uni_t_ut61c_ser_driver_info, receive_data_UNI_T_UT61C_SER,
330 },
331 {
332 "UNI-T", "UT61D (UT-D02 cable)", "2400/8n1/rts=0/dtr=1",
333 2400, FS9922_PACKET_SIZE, 0, 0, NULL,
334 sr_fs9922_packet_valid, sr_fs9922_parse, NULL,
335 &uni_t_ut61d_ser_driver_info, receive_data_UNI_T_UT61D_SER,
336 },
337 {
338 /* Note: ES51922 baudrate is actually 19230! */
339 "UNI-T", "UT61E (UT-D02 cable)", "19200/7o1/rts=0/dtr=1",
340 19200, ES519XX_14B_PACKET_SIZE, 0, 0, NULL,
341 sr_es519xx_19200_14b_packet_valid, sr_es519xx_19200_14b_parse,
342 NULL,
343 &uni_t_ut61e_ser_driver_info, receive_data_UNI_T_UT61E_SER,
344 },
345 {
346 "UNI-T", "UT71A (UT-D02 cable)", "2400/7o1/rts=0/dtr=1",
347 2400, UT71X_PACKET_SIZE, 0, 0, NULL,
348 sr_ut71x_packet_valid, sr_ut71x_parse, NULL,
349 &uni_t_ut71a_ser_driver_info, receive_data_UNI_T_UT71A_SER,
350 },
351 {
352 "UNI-T", "UT71B (UT-D02 cable)", "2400/7o1/rts=0/dtr=1",
353 2400, UT71X_PACKET_SIZE, 0, 0, NULL,
354 sr_ut71x_packet_valid, sr_ut71x_parse, NULL,
355 &uni_t_ut71b_ser_driver_info, receive_data_UNI_T_UT71B_SER,
356 },
357 {
358 "UNI-T", "UT71C (UT-D02 cable)", "2400/7o1/rts=0/dtr=1",
359 2400, UT71X_PACKET_SIZE, 0, 0, NULL,
360 sr_ut71x_packet_valid, sr_ut71x_parse, NULL,
361 &uni_t_ut71c_ser_driver_info, receive_data_UNI_T_UT71C_SER,
362 },
363 {
364 "UNI-T", "UT71D (UT-D02 cable)", "2400/7o1/rts=0/dtr=1",
365 2400, UT71X_PACKET_SIZE, 0, 0, NULL,
366 sr_ut71x_packet_valid, sr_ut71x_parse, NULL,
367 &uni_t_ut71d_ser_driver_info, receive_data_UNI_T_UT71D_SER,
368 },
369 {
370 "UNI-T", "UT71E (UT-D02 cable)", "2400/7o1/rts=0/dtr=1",
371 2400, UT71X_PACKET_SIZE, 0, 0, NULL,
372 sr_ut71x_packet_valid, sr_ut71x_parse, NULL,
373 &uni_t_ut71e_ser_driver_info, receive_data_UNI_T_UT71E_SER,
374 },
375 {
376 "ISO-TECH", "IDM103N", "2400/7o1/rts=0/dtr=1",
377 2400, ES519XX_11B_PACKET_SIZE, 0, 0, NULL,
378 sr_es519xx_2400_11b_packet_valid, sr_es519xx_2400_11b_parse,
379 NULL,
380 &iso_tech_idm103n_driver_info, receive_data_ISO_TECH_IDM103N,
381 },
382 {
383 "Tenma", "72-7745 (UT-D02 cable)", "2400/8n1/rts=0/dtr=1",
384 2400, FS9721_PACKET_SIZE, 0, 0, NULL,
385 sr_fs9721_packet_valid, sr_fs9721_parse,
386 sr_fs9721_00_temp_c,
387 &tenma_72_7745_ser_driver_info, receive_data_TENMA_72_7745_SER,
388 },
389 {
390 /* Note: ES51986 baudrate is actually 19230! */
391 "Tenma", "72-7750 (UT-D02 cable)", "19200/7o1/rts=0/dtr=1",
392 19200, ES519XX_11B_PACKET_SIZE, 0, 0, NULL,
393 sr_es519xx_19200_11b_packet_valid, sr_es519xx_19200_11b_parse,
394 NULL,
395 &tenma_72_7750_ser_driver_info, receive_data_TENMA_72_7750_SER,
396 },
397 {
398 "Brymen", "BM25x", "9600/8n1/rts=1/dtr=1",
399 9600, BRYMEN_BM25X_PACKET_SIZE, 0, 0, NULL,
400 sr_brymen_bm25x_packet_valid, sr_brymen_bm25x_parse,
401 NULL,
402 &brymen_bm25x_driver_info, receive_data_BRYMEN_BM25X,
403 },
404};
405
406static int dev_clear(int dmm)
407{
408 return std_dev_clear(dmms[dmm].di, NULL);
409}
410
411static int init(struct sr_context *sr_ctx, int dmm)
412{
413 return std_init(sr_ctx, dmms[dmm].di, LOG_PREFIX);
414}
415
416static GSList *sdmm_scan(const char *conn, const char *serialcomm, int dmm)
417{
418 struct sr_dev_inst *sdi;
419 struct drv_context *drvc;
420 struct dev_context *devc;
421 struct sr_serial_dev_inst *serial;
422 GSList *devices;
423 int dropped, ret;
424 size_t len;
425 uint8_t buf[128];
426
427 serial = sr_serial_dev_inst_new(conn, serialcomm);
428
429 if (serial_open(serial, SERIAL_RDWR) != SR_OK)
430 return NULL;
431
432 sr_info("Probing serial port %s.", conn);
433
434 drvc = dmms[dmm].di->priv;
435 devices = NULL;
436 serial_flush(serial);
437
438 /* Request a packet if the DMM requires this. */
439 if (dmms[dmm].packet_request) {
440 if ((ret = dmms[dmm].packet_request(serial)) < 0) {
441 sr_err("Failed to request packet: %d.", ret);
442 return FALSE;
443 }
444 }
445
446 /*
447 * There's no way to get an ID from the multimeter. It just sends data
448 * periodically (or upon request), so the best we can do is check if
449 * the packets match the expected format.
450 */
451
452 /* Let's get a bit of data and see if we can find a packet. */
453 len = sizeof(buf);
454 ret = serial_stream_detect(serial, buf, &len, dmms[dmm].packet_size,
455 dmms[dmm].packet_valid, 3000,
456 dmms[dmm].baudrate);
457 if (ret != SR_OK)
458 goto scan_cleanup;
459
460 /*
461 * If we dropped more than two packets worth of data, something is
462 * wrong. We shouldn't quit however, since the dropped bytes might be
463 * just zeroes at the beginning of the stream. Those can occur as a
464 * combination of the nonstandard cable that ships with some devices
465 * and the serial port or USB to serial adapter.
466 */
467 dropped = len - dmms[dmm].packet_size;
468 if (dropped > 2 * dmms[dmm].packet_size)
469 sr_warn("Had to drop too much data.");
470
471 sr_info("Found device on port %s.", conn);
472
473 sdi = g_malloc0(sizeof(struct sr_dev_inst));
474 sdi->status = SR_ST_INACTIVE;
475 sdi->vendor = g_strdup(dmms[dmm].vendor);
476 sdi->model = g_strdup(dmms[dmm].device);
477 devc = g_malloc0(sizeof(struct dev_context));
478 sdi->inst_type = SR_INST_SERIAL;
479 sdi->conn = serial;
480 sdi->priv = devc;
481 sdi->driver = dmms[dmm].di;
482 sr_channel_new(sdi, 0, SR_CHANNEL_ANALOG, TRUE, "P1");
483 drvc->instances = g_slist_append(drvc->instances, sdi);
484 devices = g_slist_append(devices, sdi);
485
486scan_cleanup:
487 serial_close(serial);
488
489 return devices;
490}
491
492static GSList *scan(GSList *options, int dmm)
493{
494 struct sr_config *src;
495 GSList *l, *devices;
496 const char *conn, *serialcomm;
497
498 conn = serialcomm = NULL;
499 for (l = options; l; l = l->next) {
500 src = l->data;
501 switch (src->key) {
502 case SR_CONF_CONN:
503 conn = g_variant_get_string(src->data, NULL);
504 break;
505 case SR_CONF_SERIALCOMM:
506 serialcomm = g_variant_get_string(src->data, NULL);
507 break;
508 }
509 }
510 if (!conn)
511 return NULL;
512
513 if (serialcomm) {
514 /* Use the provided comm specs. */
515 devices = sdmm_scan(conn, serialcomm, dmm);
516 } else {
517 /* Try the default. */
518 devices = sdmm_scan(conn, dmms[dmm].conn, dmm);
519 }
520
521 return devices;
522}
523
524static GSList *dev_list(int dmm)
525{
526 return ((struct drv_context *)(dmms[dmm].di->priv))->instances;
527}
528
529static int cleanup(int dmm)
530{
531 return dev_clear(dmm);
532}
533
534static int config_set(uint32_t key, GVariant *data, const struct sr_dev_inst *sdi,
535 const struct sr_channel_group *cg)
536{
537 struct dev_context *devc;
538
539 (void)cg;
540
541 if (sdi->status != SR_ST_ACTIVE)
542 return SR_ERR_DEV_CLOSED;
543
544 if (!(devc = sdi->priv)) {
545 sr_err("sdi->priv was NULL.");
546 return SR_ERR_BUG;
547 }
548
549 switch (key) {
550 case SR_CONF_LIMIT_SAMPLES:
551 devc->limit_samples = g_variant_get_uint64(data);
552 sr_dbg("Setting sample limit to %" PRIu64 ".",
553 devc->limit_samples);
554 break;
555 case SR_CONF_LIMIT_MSEC:
556 devc->limit_msec = g_variant_get_uint64(data);
557 sr_dbg("Setting time limit to %" PRIu64 "ms.",
558 devc->limit_msec);
559 break;
560 default:
561 return SR_ERR_NA;
562 }
563
564 return SR_OK;
565}
566
567static int config_list(uint32_t key, GVariant **data, const struct sr_dev_inst *sdi,
568 const struct sr_channel_group *cg)
569{
570 (void)sdi;
571 (void)cg;
572
573 switch (key) {
574 case SR_CONF_SCAN_OPTIONS:
575 *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32,
576 scanopts, ARRAY_SIZE(scanopts), sizeof(uint32_t));
577 break;
578 case SR_CONF_DEVICE_OPTIONS:
579 *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32,
580 devopts, ARRAY_SIZE(devopts), sizeof(uint32_t));
581 break;
582 default:
583 return SR_ERR_NA;
584 }
585
586 return SR_OK;
587}
588
589static int dev_acquisition_start(const struct sr_dev_inst *sdi,
590 void *cb_data, int dmm)
591{
592 struct dev_context *devc;
593 struct sr_serial_dev_inst *serial;
594
595 if (sdi->status != SR_ST_ACTIVE)
596 return SR_ERR_DEV_CLOSED;
597
598 if (!(devc = sdi->priv)) {
599 sr_err("sdi->priv was NULL.");
600 return SR_ERR_BUG;
601 }
602
603 devc->cb_data = cb_data;
604
605 /*
606 * Reset the number of samples to take. If we've already collected our
607 * quota, but we start a new session, and don't reset this, we'll just
608 * quit without acquiring any new samples.
609 */
610 devc->num_samples = 0;
611 devc->starttime = g_get_monotonic_time();
612
613 /* Send header packet to the session bus. */
614 std_session_send_df_header(cb_data, LOG_PREFIX);
615
616 /* Poll every 50ms, or whenever some data comes in. */
617 serial = sdi->conn;
618 serial_source_add(sdi->session, serial, G_IO_IN, 50,
619 dmms[dmm].receive_data, (void *)sdi);
620
621 return SR_OK;
622}
623
624static int dev_acquisition_stop(struct sr_dev_inst *sdi, void *cb_data)
625{
626 return std_serial_dev_acquisition_stop(sdi, cb_data, std_serial_dev_close,
627 sdi->conn, LOG_PREFIX);
628}
629
630/* Driver-specific API function wrappers */
631#define HW_INIT(X) \
632static int init_##X(struct sr_dev_driver *di, struct sr_context *sr_ctx) { \
633 (void) di; return init(sr_ctx, X); }
634#define HW_CLEANUP(X) \
635static int cleanup_##X(const struct sr_dev_driver *di) { \
636 (void) di; return cleanup(X); }
637#define HW_SCAN(X) \
638static GSList *scan_##X(struct sr_dev_driver *di, GSList *options) { \
639 (void) di; return scan(options, X); }
640#define HW_DEV_LIST(X) \
641static GSList *dev_list_##X(const struct sr_dev_driver *di) { \
642 (void) di; return dev_list(X); }
643#define HW_DEV_CLEAR(X) \
644static int dev_clear_##X(const struct sr_dev_driver *di) { \
645 (void) di; return dev_clear(X); }
646#define HW_DEV_ACQUISITION_START(X) \
647static int dev_acquisition_start_##X(const struct sr_dev_inst *sdi, \
648void *cb_data) { return dev_acquisition_start(sdi, cb_data, X); }
649
650/* Driver structs and API function wrappers */
651#define DRV(ID, ID_UPPER, NAME, LONGNAME) \
652HW_INIT(ID_UPPER) \
653HW_CLEANUP(ID_UPPER) \
654HW_SCAN(ID_UPPER) \
655HW_DEV_LIST(ID_UPPER) \
656HW_DEV_CLEAR(ID_UPPER) \
657HW_DEV_ACQUISITION_START(ID_UPPER) \
658SR_PRIV struct sr_dev_driver ID##_driver_info = { \
659 .name = NAME, \
660 .longname = LONGNAME, \
661 .api_version = 1, \
662 .init = init_##ID_UPPER, \
663 .cleanup = cleanup_##ID_UPPER, \
664 .scan = scan_##ID_UPPER, \
665 .dev_list = dev_list_##ID_UPPER, \
666 .dev_clear = dev_clear_##ID_UPPER, \
667 .config_get = NULL, \
668 .config_set = config_set, \
669 .config_list = config_list, \
670 .dev_open = std_serial_dev_open, \
671 .dev_close = std_serial_dev_close, \
672 .dev_acquisition_start = dev_acquisition_start_##ID_UPPER, \
673 .dev_acquisition_stop = dev_acquisition_stop, \
674 .priv = NULL, \
675};
676
677DRV(bbcgm_m2110, BBCGM_M2110, "bbcgm-m2110", "BBC Goertz Metrawatt M2110")
678DRV(digitek_dt4000zc, DIGITEK_DT4000ZC, "digitek-dt4000zc", "Digitek DT4000ZC")
679DRV(tekpower_tp4000zc, TEKPOWER_TP4000ZC, "tekpower-tp4000zc", "TekPower TP4000ZC")
680DRV(metex_me31, METEX_ME31, "metex-me31", "Metex ME-31")
681DRV(peaktech_3410, PEAKTECH_3410, "peaktech-3410", "PeakTech 3410")
682DRV(mastech_mas345, MASTECH_MAS345, "mastech-mas345", "MASTECH MAS345")
683DRV(mastech_ms8250b, MASTECH_MS8250B, "mastech-ms8250b", "MASTECH MS8250B")
684DRV(va_va18b, VA_VA18B, "va-va18b", "V&A VA18B")
685DRV(va_va40b, VA_VA40B, "va-va40b", "V&A VA40B")
686DRV(metex_m3640d, METEX_M3640D, "metex-m3640d", "Metex M-3640D")
687DRV(metex_m4650cr, METEX_M4650CR, "metex-m4650cr", "Metex M-4650CR")
688DRV(peaktech_4370, PEAKTECH_4370, "peaktech-4370", "PeakTech 4370")
689DRV(pce_pce_dm32, PCE_PCE_DM32, "pce-pce-dm32", "PCE PCE-DM32")
690DRV(radioshack_22_168, RADIOSHACK_22_168, "radioshack-22-168", "RadioShack 22-168")
691DRV(radioshack_22_805, RADIOSHACK_22_805, "radioshack-22-805", "RadioShack 22-805")
692DRV(radioshack_22_812, RADIOSHACK_22_812, "radioshack-22-812", "RadioShack 22-812")
693DRV(tecpel_dmm_8061_ser, TECPEL_DMM_8061_SER, "tecpel-dmm-8061-ser", "Tecpel DMM-8061 (UT-D02 cable)")
694DRV(voltcraft_m3650cr, VOLTCRAFT_M3650CR, "voltcraft-m3650cr", "Voltcraft M-3650CR")
695DRV(voltcraft_m3650d, VOLTCRAFT_M3650D, "voltcraft-m3650d", "Voltcraft M-3650D")
696DRV(voltcraft_m4650cr, VOLTCRAFT_M4650CR, "voltcraft-m4650cr", "Voltcraft M-4650CR")
697DRV(voltcraft_me42, VOLTCRAFT_ME42, "voltcraft-me42", "Voltcraft ME-42")
698DRV(voltcraft_vc820_ser, VOLTCRAFT_VC820_SER, "voltcraft-vc820-ser", "Voltcraft VC-820 (UT-D02 cable)")
699DRV(voltcraft_vc830_ser, VOLTCRAFT_VC830_SER, "voltcraft-vc830-ser", "Voltcraft VC-830 (UT-D02 cable)")
700DRV(voltcraft_vc840_ser, VOLTCRAFT_VC840_SER, "voltcraft-vc840-ser", "Voltcraft VC-840 (UT-D02 cable)")
701DRV(voltcraft_vc870_ser, VOLTCRAFT_VC870_SER, "voltcraft-vc870-ser", "Voltcraft VC-870 (UT-D02 cable)")
702DRV(voltcraft_vc920_ser, VOLTCRAFT_VC920_SER, "voltcraft-vc920-ser", "Voltcraft VC-920 (UT-D02 cable)")
703DRV(voltcraft_vc940_ser, VOLTCRAFT_VC940_SER, "voltcraft-vc940-ser", "Voltcraft VC-940 (UT-D02 cable)")
704DRV(voltcraft_vc960_ser, VOLTCRAFT_VC960_SER, "voltcraft-vc960-ser", "Voltcraft VC-960 (UT-D02 cable)")
705DRV(uni_t_ut60a_ser, UNI_T_UT60A_SER, "uni-t-ut60a-ser", "UNI-T UT60A (UT-D02 cable)")
706DRV(uni_t_ut60e_ser, UNI_T_UT60E_SER, "uni-t-ut60e-ser", "UNI-T UT60E (UT-D02 cable)")
707DRV(uni_t_ut60g_ser, UNI_T_UT60G_SER, "uni-t-ut60g-ser", "UNI-T UT60G (UT-D02 cable)")
708DRV(uni_t_ut61b_ser, UNI_T_UT61B_SER, "uni-t-ut61b-ser", "UNI-T UT61B (UT-D02 cable)")
709DRV(uni_t_ut61c_ser, UNI_T_UT61C_SER, "uni-t-ut61c-ser", "UNI-T UT61C (UT-D02 cable)")
710DRV(uni_t_ut61d_ser, UNI_T_UT61D_SER, "uni-t-ut61d-ser", "UNI-T UT61D (UT-D02 cable)")
711DRV(uni_t_ut61e_ser, UNI_T_UT61E_SER, "uni-t-ut61e-ser", "UNI-T UT61E (UT-D02 cable)")
712DRV(uni_t_ut71a_ser, UNI_T_UT71A_SER, "uni-t-ut71a-ser", "UNI-T UT71A (UT-D02 cable)")
713DRV(uni_t_ut71b_ser, UNI_T_UT71B_SER, "uni-t-ut71b-ser", "UNI-T UT71B (UT-D02 cable)")
714DRV(uni_t_ut71c_ser, UNI_T_UT71C_SER, "uni-t-ut71c-ser", "UNI-T UT71C (UT-D02 cable)")
715DRV(uni_t_ut71d_ser, UNI_T_UT71D_SER, "uni-t-ut71d-ser", "UNI-T UT71D (UT-D02 cable)")
716DRV(uni_t_ut71e_ser, UNI_T_UT71E_SER, "uni-t-ut71e-ser", "UNI-T UT71E (UT-D02 cable)")
717DRV(iso_tech_idm103n, ISO_TECH_IDM103N, "iso-tech-idm103n", "ISO-TECH IDM103N")
718DRV(tenma_72_7745_ser, TENMA_72_7745_SER, "tenma-72-7745-ser", "Tenma 72-7745 (UT-D02 cable)")
719DRV(tenma_72_7750_ser, TENMA_72_7750_SER, "tenma-72-7750-ser", "Tenma 72-7750 (UT-D02 cable)")
720DRV(brymen_bm25x, BRYMEN_BM25X, "brymen-bm25x", "Brymen BM25x")
Hardware access and backend lib