]> sigrok.org Git - libsigrok.git/blame - src/hardware/serial-dmm/api.c
projects / libsigrok.git / blame
? search:
summary | shortlog | log | commit | commitdiff | tree
blob | blame (incremental) | history | HEAD
Implement Brymen BM25x series as a serial DMM.
[libsigrok.git] / src / hardware / serial-dmm / api.c
CommitLineData
7dc55d93 1/*
50985c20 2 * This file is part of the libsigrok project.
7dc55d93
AG		 3 *
4 * Copyright (C) 2012 Bert Vermeulen <bert@biot.com>
5 * Copyright (C) 2012 Alexandru Gagniuc <mr.nuke.me@gmail.com>
729b01f9 6 * Copyright (C) 2012 Uwe Hermann <uwe@hermann-uwe.de>
7dc55d93
AG		 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
7dc55d93
AG		 22#include <sys/types.h>
23#include <sys/stat.h>
24#include <fcntl.h>
25#include <string.h>
26#include <errno.h>
22f54192 27#include <glib.h>
bbabddbd
UH		 28#include "libsigrok.h"
29#include "libsigrok-internal.h"
30#include "protocol.h"
7dc55d93 31
ede25f4e 32static const int32_t hwopts[] = {
1953564a
BV		 33 SR_CONF_CONN,
34 SR_CONF_SERIALCOMM,
7dc55d93
AG		 35};
36
ede25f4e 37static const int32_t hwcaps[] = {
1953564a
BV		 38 SR_CONF_MULTIMETER,
39 SR_CONF_LIMIT_SAMPLES,
40 SR_CONF_LIMIT_MSEC,
41 SR_CONF_CONTINUOUS,
7dc55d93
AG		 42};
43
825da8b2 44SR_PRIV struct sr_dev_driver bbcgm_m2110_driver_info;
f086b830 45SR_PRIV struct sr_dev_driver digitek_dt4000zc_driver_info;
729b01f9 46SR_PRIV struct sr_dev_driver tekpower_tp4000zc_driver_info;
ce3777ad 47SR_PRIV struct sr_dev_driver metex_me31_driver_info;
f0ac4929 48SR_PRIV struct sr_dev_driver peaktech_3410_driver_info;
5887c9cc 49SR_PRIV struct sr_dev_driver mastech_mas345_driver_info;
6dca2f16 50SR_PRIV struct sr_dev_driver va_va18b_driver_info;
d327972b 51SR_PRIV struct sr_dev_driver va_va40b_driver_info;
a53da082 52SR_PRIV struct sr_dev_driver metex_m3640d_driver_info;
88f544f2 53SR_PRIV struct sr_dev_driver metex_m4650cr_driver_info;
a376ffea 54SR_PRIV struct sr_dev_driver peaktech_4370_driver_info;
d4bd66a0 55SR_PRIV struct sr_dev_driver pce_pce_dm32_driver_info;
d5ce233f 56SR_PRIV struct sr_dev_driver radioshack_22_168_driver_info;
3864648b 57SR_PRIV struct sr_dev_driver radioshack_22_805_driver_info;
21829e67 58SR_PRIV struct sr_dev_driver radioshack_22_812_driver_info;
b38e08fb 59SR_PRIV struct sr_dev_driver tecpel_dmm_8061_ser_driver_info;
e83437ae 60SR_PRIV struct sr_dev_driver voltcraft_m3650cr_driver_info;
5f2a4aff 61SR_PRIV struct sr_dev_driver voltcraft_m3650d_driver_info;
2b83d7fe 62SR_PRIV struct sr_dev_driver voltcraft_m4650cr_driver_info;
1656e47d 63SR_PRIV struct sr_dev_driver voltcraft_me42_driver_info;
40830061 64SR_PRIV struct sr_dev_driver voltcraft_vc820_ser_driver_info;
6045b91a 65SR_PRIV struct sr_dev_driver voltcraft_vc830_ser_driver_info;
54d11221 66SR_PRIV struct sr_dev_driver voltcraft_vc840_ser_driver_info;
a7a163a7
FK		 67SR_PRIV struct sr_dev_driver uni_t_ut60a_ser_driver_info;
68SR_PRIV struct sr_dev_driver uni_t_ut60e_ser_driver_info;
4104ef81 69SR_PRIV struct sr_dev_driver uni_t_ut60g_ser_driver_info;
7cb69b18 70SR_PRIV struct sr_dev_driver uni_t_ut61b_ser_driver_info;
5f985df2 71SR_PRIV struct sr_dev_driver uni_t_ut61c_ser_driver_info;
ae3a59de 72SR_PRIV struct sr_dev_driver uni_t_ut61d_ser_driver_info;
986fde75 73SR_PRIV struct sr_dev_driver uni_t_ut61e_ser_driver_info;
df6b0f99 74SR_PRIV struct sr_dev_driver iso_tech_idm103n_driver_info;
2710cb53 75SR_PRIV struct sr_dev_driver tenma_72_7745_ser_driver_info;
d9e79c51 76SR_PRIV struct sr_dev_driver tenma_72_7750_ser_driver_info;
a24c3f4a 77SR_PRIV struct sr_dev_driver brymen_bm25x_ser_driver_info;
f086b830 78
729b01f9 79SR_PRIV struct dmm_info dmms[] = {
825da8b2
MH		 80 {
81 "BBC Goertz Metrawatt", "M2110", "1200/7n2", 1200,
2baac44d 82 BBCGM_M2110_PACKET_SIZE, 0, 0, NULL,
825da8b2
MH		 83 sr_m2110_packet_valid, sr_m2110_parse,
84 NULL,
85 &bbcgm_m2110_driver_info, receive_data_BBCGM_M2110,
86 },
f086b830 87 {
61bab807 88 "Digitek", "DT4000ZC", "2400/8n1/dtr=1", 2400,
2baac44d 89 FS9721_PACKET_SIZE, 0, 0, NULL,
ce3777ad 90 sr_fs9721_packet_valid, sr_fs9721_parse,
2451a20f 91 sr_fs9721_10_temp_c,
dccfe015 92 &digitek_dt4000zc_driver_info, receive_data_DIGITEK_DT4000ZC,
f086b830 93 },
729b01f9 94 {
61bab807 95 "TekPower", "TP4000ZC", "2400/8n1/dtr=1", 2400,
2baac44d 96 FS9721_PACKET_SIZE, 0, 0, NULL,
ce3777ad 97 sr_fs9721_packet_valid, sr_fs9721_parse,
2451a20f 98 sr_fs9721_10_temp_c,
dccfe015 99 &tekpower_tp4000zc_driver_info, receive_data_TEKPOWER_TP4000ZC,
729b01f9 100 },
ce3777ad
UH		 101 {
102 "Metex", "ME-31", "600/7n2/rts=0/dtr=1", 600,
2baac44d 103 METEX14_PACKET_SIZE, 0, 0, sr_metex14_packet_request,
ce3777ad
UH		 104 sr_metex14_packet_valid, sr_metex14_parse,
105 NULL,
dccfe015 106 &metex_me31_driver_info, receive_data_METEX_ME31,
ce3777ad 107 },
f0ac4929
UH		 108 {
109 "Peaktech", "3410", "600/7n2/rts=0/dtr=1", 600,
2baac44d 110 METEX14_PACKET_SIZE, 0, 0, sr_metex14_packet_request,
f0ac4929
UH		 111 sr_metex14_packet_valid, sr_metex14_parse,
112 NULL,
dccfe015 113 &peaktech_3410_driver_info, receive_data_PEAKTECH_3410,
f0ac4929 114 },
5887c9cc
UH		 115 {
116 "MASTECH", "MAS345", "600/7n2/rts=0/dtr=1", 600,
2baac44d 117 METEX14_PACKET_SIZE, 0, 0, sr_metex14_packet_request,
5887c9cc
UH		 118 sr_metex14_packet_valid, sr_metex14_parse,
119 NULL,
dccfe015 120 &mastech_mas345_driver_info, receive_data_MASTECH_MAS345,
5887c9cc 121 },
6dca2f16
UH		 122 {
123 "V&A", "VA18B", "2400/8n1", 2400,
2baac44d 124 FS9721_PACKET_SIZE, 0, 0, NULL,
6dca2f16 125 sr_fs9721_packet_valid, sr_fs9721_parse,
2451a20f 126 sr_fs9721_01_temp_c,
dccfe015 127 &va_va18b_driver_info, receive_data_VA_VA18B,
6dca2f16 128 },
d327972b
UH		 129 {
130 "V&A", "VA40B", "2400/8n1", 2400,
2baac44d 131 FS9721_PACKET_SIZE, 0, 0, NULL,
d327972b
UH		 132 sr_fs9721_packet_valid, sr_fs9721_parse,
133 sr_fs9721_max_c_min,
134 &va_va40b_driver_info, receive_data_VA_VA40B,
135 },
a53da082
UH		 136 {
137 "Metex", "M-3640D", "1200/7n2/rts=0/dtr=1", 1200,
2baac44d 138 METEX14_PACKET_SIZE, 0, 0, sr_metex14_packet_request,
a53da082
UH		 139 sr_metex14_packet_valid, sr_metex14_parse,
140 NULL,
dccfe015 141 &metex_m3640d_driver_info, receive_data_METEX_M3640D,
a53da082 142 },
88f544f2
UH		 143 {
144 "Metex", "M-4650CR", "1200/7n2/rts=0/dtr=1", 1200,
2baac44d 145 METEX14_PACKET_SIZE, 0, 0, sr_metex14_packet_request,
88f544f2
UH		 146 sr_metex14_packet_valid, sr_metex14_parse,
147 NULL,
148 &metex_m4650cr_driver_info, receive_data_METEX_M4650CR,
149 },
a376ffea
UH		 150 {
151 "PeakTech", "4370", "1200/7n2/rts=0/dtr=1", 1200,
2baac44d 152 METEX14_PACKET_SIZE, 0, 0, sr_metex14_packet_request,
a376ffea
UH		 153 sr_metex14_packet_valid, sr_metex14_parse,
154 NULL,
dccfe015 155 &peaktech_4370_driver_info, receive_data_PEAKTECH_4370,
a376ffea 156 },
d4bd66a0
UH		 157 {
158 "PCE", "PCE-DM32", "2400/8n1", 2400,
2baac44d 159 FS9721_PACKET_SIZE, 0, 0, NULL,
d4bd66a0 160 sr_fs9721_packet_valid, sr_fs9721_parse,
2451a20f 161 sr_fs9721_01_10_temp_f_c,
dccfe015 162 &pce_pce_dm32_driver_info, receive_data_PCE_PCE_DM32,
d4bd66a0 163 },
d5ce233f
AG		 164 {
165 "RadioShack", "22-168", "1200/7n2/rts=0/dtr=1", 1200,
2baac44d 166 METEX14_PACKET_SIZE, 0, 0, sr_metex14_packet_request,
d5ce233f
AG		 167 sr_metex14_packet_valid, sr_metex14_parse,
168 NULL,
dccfe015 169 &radioshack_22_168_driver_info, receive_data_RADIOSHACK_22_168,
d5ce233f 170 },
3864648b
AG		 171 {
172 "RadioShack", "22-805", "600/7n2/rts=0/dtr=1", 600,
2baac44d 173 METEX14_PACKET_SIZE, 0, 0, sr_metex14_packet_request,
3864648b
AG		 174 sr_metex14_packet_valid, sr_metex14_parse,
175 NULL,
176 &radioshack_22_805_driver_info, receive_data_RADIOSHACK_22_805,
177 },
21829e67
AG		 178 {
179 "RadioShack", "22-812", "4800/8n1/rts=0/dtr=1", 4800,
2baac44d 180 RS9LCD_PACKET_SIZE, 0, 0, NULL,
21829e67
AG		 181 sr_rs9lcd_packet_valid, sr_rs9lcd_parse,
182 NULL,
dccfe015 183 &radioshack_22_812_driver_info, receive_data_RADIOSHACK_22_812,
21829e67 184 },
b38e08fb
UH		 185 {
186 "Tecpel", "DMM-8061 (UT-D02 cable)", "2400/8n1/rts=0/dtr=1",
2baac44d 187 2400, FS9721_PACKET_SIZE, 0, 0, NULL,
b38e08fb
UH		 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 },
e83437ae
MH		 193 {
194 "Voltcraft", "M-3650CR", "1200/7n2/rts=0/dtr=1", 1200,
2baac44d 195 METEX14_PACKET_SIZE, 150, 20, sr_metex14_packet_request,
e83437ae
MH		 196 sr_metex14_packet_valid, sr_metex14_parse,
197 NULL,
198 &voltcraft_m3650cr_driver_info, receive_data_VOLTCRAFT_M3650CR,
199 },
5f2a4aff
FS		 200 {
201 "Voltcraft", "M-3650D", "1200/7n2/rts=0/dtr=1", 1200,
2baac44d 202 METEX14_PACKET_SIZE, 0, 0, sr_metex14_packet_request,
5f2a4aff
FS		 203 sr_metex14_packet_valid, sr_metex14_parse,
204 NULL,
205 &voltcraft_m3650d_driver_info, receive_data_VOLTCRAFT_M3650D,
206 },
2b83d7fe
UH		 207 {
208 "Voltcraft", "M-4650CR", "1200/7n2/rts=0/dtr=1", 1200,
2baac44d 209 METEX14_PACKET_SIZE, 0, 0, sr_metex14_packet_request,
2b83d7fe
UH		 210 sr_metex14_packet_valid, sr_metex14_parse,
211 NULL,
212 &voltcraft_m4650cr_driver_info, receive_data_VOLTCRAFT_M4650CR,
213 },
1656e47d
MH		 214 {
215 "Voltcraft", "ME-42", "600/7n2/rts=0/dtr=1", 600,
2baac44d 216 METEX14_PACKET_SIZE, 250, 60, sr_metex14_packet_request,
1656e47d
MH		 217 sr_metex14_packet_valid, sr_metex14_parse,
218 NULL,
219 &voltcraft_me42_driver_info, receive_data_VOLTCRAFT_ME42,
220 },
40830061
UH		 221 {
222 "Voltcraft", "VC-820 (UT-D02 cable)", "2400/8n1/rts=0/dtr=1",
2baac44d 223 2400, FS9721_PACKET_SIZE, 0, 0, NULL,
40830061
UH		 224 sr_fs9721_packet_valid, sr_fs9721_parse,
225 NULL,
14766619
UH		 226 &voltcraft_vc820_ser_driver_info,
227 receive_data_VOLTCRAFT_VC820_SER,
40830061 228 },
6045b91a 229 {
e52bb9be
UH		 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 */
6045b91a 235 "Voltcraft", "VC-830 (UT-D02 cable)", "2400/8n1/rts=0/dtr=1",
2baac44d 236 2400, FS9922_PACKET_SIZE, 0, 0, NULL,
6045b91a 237 sr_fs9922_packet_valid, sr_fs9922_parse,
e52bb9be 238 &sr_fs9922_z1_diode,
6045b91a
UH		 239 &voltcraft_vc830_ser_driver_info,
240 receive_data_VOLTCRAFT_VC830_SER,
241 },
54d11221
UH		 242 {
243 "Voltcraft", "VC-840 (UT-D02 cable)", "2400/8n1/rts=0/dtr=1",
2baac44d 244 2400, FS9721_PACKET_SIZE, 0, 0, NULL,
54d11221 245 sr_fs9721_packet_valid, sr_fs9721_parse,
2451a20f 246 sr_fs9721_00_temp_c,
14766619
UH		 247 &voltcraft_vc840_ser_driver_info,
248 receive_data_VOLTCRAFT_VC840_SER,
54d11221 249 },
a7a163a7
FK		 250 {
251 "UNI-T", "UT60A (UT-D02 cable)", "2400/8n1/rts=0/dtr=1",
2baac44d 252 2400, FS9721_PACKET_SIZE, 0, 0, NULL,
a7a163a7
FK		 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",
2baac44d 260 2400, FS9721_PACKET_SIZE, 0, 0, NULL,
a7a163a7
FK		 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 },
4104ef81
UH		 266 {
267 /* Note: ES51986 baudrate is actually 19230! */
268 "UNI-T", "UT60G (UT-D02 cable)", "19200/7o1/rts=0/dtr=1",
2baac44d 269 19200, ES519XX_11B_PACKET_SIZE, 0, 0, NULL,
4104ef81
UH		 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 },
7cb69b18
UH		 274 {
275 "UNI-T", "UT61B (UT-D02 cable)", "2400/8n1/rts=0/dtr=1",
2baac44d 276 2400, FS9922_PACKET_SIZE, 0, 0, NULL,
7cb69b18
UH		 277 sr_fs9922_packet_valid, sr_fs9922_parse, NULL,
278 &uni_t_ut61b_ser_driver_info, receive_data_UNI_T_UT61B_SER,
279 },
5f985df2
UH		 280 {
281 "UNI-T", "UT61C (UT-D02 cable)", "2400/8n1/rts=0/dtr=1",
2baac44d 282 2400, FS9922_PACKET_SIZE, 0, 0, NULL,
5f985df2
UH		 283 sr_fs9922_packet_valid, sr_fs9922_parse, NULL,
284 &uni_t_ut61c_ser_driver_info, receive_data_UNI_T_UT61C_SER,
285 },
ae3a59de
UH		 286 {
287 "UNI-T", "UT61D (UT-D02 cable)", "2400/8n1/rts=0/dtr=1",
2baac44d 288 2400, FS9922_PACKET_SIZE, 0, 0, NULL,
ae3a59de
UH		 289 sr_fs9922_packet_valid, sr_fs9922_parse, NULL,
290 &uni_t_ut61d_ser_driver_info, receive_data_UNI_T_UT61D_SER,
291 },
986fde75
UH		 292 {
293 /* Note: ES51922 baudrate is actually 19230! */
294 "UNI-T", "UT61E (UT-D02 cable)", "19200/7o1/rts=0/dtr=1",
2baac44d 295 19200, ES519XX_14B_PACKET_SIZE, 0, 0, NULL,
2710cb53
UH		 296 sr_es519xx_19200_14b_packet_valid, sr_es519xx_19200_14b_parse,
297 NULL,
986fde75
UH		 298 &uni_t_ut61e_ser_driver_info, receive_data_UNI_T_UT61E_SER,
299 },
de737bfc
AJ		 300 {
301 "ISO-TECH", "IDM103N", "2400/7o1/rts=0/dtr=1",
2baac44d 302 2400, ES519XX_11B_PACKET_SIZE, 0, 0, NULL,
2710cb53
UH		 303 sr_es519xx_2400_11b_packet_valid, sr_es519xx_2400_11b_parse,
304 NULL,
df6b0f99 305 &iso_tech_idm103n_driver_info, receive_data_ISO_TECH_IDM103N,
de737bfc 306 },
2710cb53
UH		 307 {
308 "Tenma", "72-7745 (UT-D02 cable)", "2400/8n1/rts=0/dtr=1",
2baac44d 309 2400, FS9721_PACKET_SIZE, 0, 0, NULL,
2710cb53
UH		 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 },
d9e79c51
UH		 314 {
315 /* Note: ES51986 baudrate is actually 19230! */
316 "Tenma", "72-7750 (UT-D02 cable)", "19200/7o1/rts=0/dtr=1",
2baac44d 317 19200, ES519XX_11B_PACKET_SIZE, 0, 0, NULL,
d9e79c51
UH		 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 },
a24c3f4a
JH		 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 },
729b01f9 329};
7dc55d93 330
3b412e3a 331static int dev_clear(int dmm)
7dc55d93 332{
3f0513ba 333 return std_dev_clear(dmms[dmm].di, NULL);
7dc55d93
AG		 334}
335
6078d2c9 336static int init(struct sr_context *sr_ctx, int dmm)
7dc55d93 337{
06b7a8af 338 sr_dbg("Selected '%s' subdriver.", dmms[dmm].di->name);
729b01f9 339
f6beaac5 340 return std_init(sr_ctx, dmms[dmm].di, LOG_PREFIX);
7dc55d93
AG		 341}
342
6078d2c9 343static GSList *sdmm_scan(const char *conn, const char *serialcomm, int dmm)
7dc55d93
AG		 344{
345 struct sr_dev_inst *sdi;
346 struct drv_context *drvc;
347 struct dev_context *devc;
ba7dd8bb 348 struct sr_channel *ch;
d35afa87 349 struct sr_serial_dev_inst *serial;
7dc55d93 350 GSList *devices;
2546b05c
AG		 351 int dropped, ret;
352 size_t len;
353 uint8_t buf[128];
7dc55d93 354
d35afa87 355 if (!(serial = sr_serial_dev_inst_new(conn, serialcomm)))
7dc55d93 356 return NULL;
d35afa87 357
ce3777ad 358 if (serial_open(serial, SERIAL_RDWR | SERIAL_NONBLOCK) != SR_OK)
7dc55d93 359 return NULL;
7dc55d93 360
22f54192 361 sr_info("Probing serial port %s.", conn);
7dc55d93 362
06b7a8af 363 drvc = dmms[dmm].di->priv;
7dc55d93 364 devices = NULL;
d35afa87 365 serial_flush(serial);
bbabddbd 366
ce3777ad
UH		 367 /* Request a packet if the DMM requires this. */
368 if (dmms[dmm].packet_request) {
369 if ((ret = dmms[dmm].packet_request(serial)) < 0) {
370 sr_err("Failed to request packet: %d.", ret);
371 return FALSE;
372 }
373 }
374
22f54192
UH		 375 /*
376 * There's no way to get an ID from the multimeter. It just sends data
377 * periodically (or upon request), so the best we can do is check if
378 * the packets match the expected format.
379 */
380
381 /* Let's get a bit of data and see if we can find a packet. */
382 len = sizeof(buf);
729b01f9 383 ret = serial_stream_detect(serial, buf, &len, dmms[dmm].packet_size,
124c548d 384 dmms[dmm].packet_valid, 3000,
729b01f9 385 dmms[dmm].baudrate);
2546b05c
AG		 386 if (ret != SR_OK)
387 goto scan_cleanup;
7dc55d93 388
2546b05c
AG		 389 /*
390 * If we dropped more than two packets worth of data, something is
391 * wrong. We shouldn't quit however, since the dropped bytes might be
392 * just zeroes at the beginning of the stream. Those can occur as a
22f54192
UH		 393 * combination of the nonstandard cable that ships with some devices
394 * and the serial port or USB to serial adapter.
2546b05c 395 */
729b01f9
UH		 396 dropped = len - dmms[dmm].packet_size;
397 if (dropped > 2 * dmms[dmm].packet_size)
6bef68a7 398 sr_warn("Had to drop too much data.");
7dc55d93 399
2546b05c 400 sr_info("Found device on port %s.", conn);
7dc55d93 401
729b01f9 402 if (!(sdi = sr_dev_inst_new(0, SR_ST_INACTIVE, dmms[dmm].vendor,
55f98c65 403 dmms[dmm].device, NULL)))
2546b05c 404 goto scan_cleanup;
6bef68a7 405
2546b05c
AG		 406 if (!(devc = g_try_malloc0(sizeof(struct dev_context)))) {
407 sr_err("Device context malloc failed.");
408 goto scan_cleanup;
7dc55d93
AG		 409 }
410
1e1bfcd0
UH		 411 sdi->inst_type = SR_INST_SERIAL;
412 sdi->conn = serial;
2546b05c
AG		 413
414 sdi->priv = devc;
06b7a8af 415 sdi->driver = dmms[dmm].di;
3f239f08 416 if (!(ch = sr_channel_new(0, SR_CHANNEL_ANALOG, TRUE, "P1")))
2546b05c 417 goto scan_cleanup;
ba7dd8bb 418 sdi->channels = g_slist_append(sdi->channels, ch);
2546b05c
AG		 419 drvc->instances = g_slist_append(drvc->instances, sdi);
420 devices = g_slist_append(devices, sdi);
421
422scan_cleanup:
d35afa87 423 serial_close(serial);
2546b05c 424
7dc55d93
AG		 425 return devices;
426}
427
6078d2c9 428static GSList *scan(GSList *options, int dmm)
7dc55d93 429{
1987b8d6 430 struct sr_config *src;
7dc55d93
AG		 431 GSList *l, *devices;
432 const char *conn, *serialcomm;
433
434 conn = serialcomm = NULL;
435 for (l = options; l; l = l->next) {
1987b8d6
BV		 436 src = l->data;
437 switch (src->key) {
1953564a 438 case SR_CONF_CONN:
ede25f4e 439 conn = g_variant_get_string(src->data, NULL);
7dc55d93 440 break;
1953564a 441 case SR_CONF_SERIALCOMM:
ede25f4e 442 serialcomm = g_variant_get_string(src->data, NULL);
7dc55d93
AG		 443 break;
444 }
445 }
446 if (!conn)
447 return NULL;
448
449 if (serialcomm) {
450 /* Use the provided comm specs. */
6078d2c9 451 devices = sdmm_scan(conn, serialcomm, dmm);
7dc55d93 452 } else {
d35afa87 453 /* Try the default. */
6078d2c9 454 devices = sdmm_scan(conn, dmms[dmm].conn, dmm);
7dc55d93
AG		 455 }
456
457 return devices;
458}
459
6078d2c9 460static GSList *dev_list(int dmm)
7dc55d93 461{
0e94d524 462 return ((struct drv_context *)(dmms[dmm].di->priv))->instances;
7dc55d93
AG		 463}
464
6078d2c9 465static int cleanup(int dmm)
7dc55d93 466{
3b412e3a 467 return dev_clear(dmm);
7dc55d93
AG		 468}
469
8f996b89 470static int config_set(int id, GVariant *data, const struct sr_dev_inst *sdi,
53b4680f 471 const struct sr_channel_group *cg)
7dc55d93
AG		 472{
473 struct dev_context *devc;
474
53b4680f 475 (void)cg;
8f996b89 476
7dc55d93 477 if (sdi->status != SR_ST_ACTIVE)
e73ffd42 478 return SR_ERR_DEV_CLOSED;
7dc55d93
AG		 479
480 if (!(devc = sdi->priv)) {
481 sr_err("sdi->priv was NULL.");
482 return SR_ERR_BUG;
483 }
484
035a1078 485 switch (id) {
1953564a 486 case SR_CONF_LIMIT_SAMPLES:
ede25f4e 487 devc->limit_samples = g_variant_get_uint64(data);
7dc55d93
AG		 488 sr_dbg("Setting sample limit to %" PRIu64 ".",
489 devc->limit_samples);
490 break;
1953564a 491 case SR_CONF_LIMIT_MSEC:
ede25f4e 492 devc->limit_msec = g_variant_get_uint64(data);
f9b9bd63
AG		 493 sr_dbg("Setting time limit to %" PRIu64 "ms.",
494 devc->limit_msec);
495 break;
7dc55d93 496 default:
bd6fbf62 497 return SR_ERR_NA;
7dc55d93
AG		 498 }
499
500 return SR_OK;
501}
502
8f996b89 503static int config_list(int key, GVariant **data, const struct sr_dev_inst *sdi,
53b4680f 504 const struct sr_channel_group *cg)
a1c743fc 505{
a1c743fc 506 (void)sdi;
53b4680f 507 (void)cg;
a1c743fc
BV		 508
509 switch (key) {
0d485e30 510 case SR_CONF_SCAN_OPTIONS:
ede25f4e
BV		 511 *data = g_variant_new_fixed_array(G_VARIANT_TYPE_INT32,
512 hwopts, ARRAY_SIZE(hwopts), sizeof(int32_t));
0d485e30 513 break;
9a6517d1 514 case SR_CONF_DEVICE_OPTIONS:
ede25f4e
BV		 515 *data = g_variant_new_fixed_array(G_VARIANT_TYPE_INT32,
516 hwcaps, ARRAY_SIZE(hwcaps), sizeof(int32_t));
9a6517d1 517 break;
a1c743fc 518 default:
bd6fbf62 519 return SR_ERR_NA;
a1c743fc
BV		 520 }
521
522 return SR_OK;
523}
524
6078d2c9 525static int dev_acquisition_start(const struct sr_dev_inst *sdi,
16b7b790 526 void *cb_data, int dmm)
7dc55d93 527{
7dc55d93 528 struct dev_context *devc;
1e1bfcd0 529 struct sr_serial_dev_inst *serial;
7dc55d93 530
e73ffd42
BV		 531 if (sdi->status != SR_ST_ACTIVE)
532 return SR_ERR_DEV_CLOSED;
533
7dc55d93
AG		 534 if (!(devc = sdi->priv)) {
535 sr_err("sdi->priv was NULL.");
536 return SR_ERR_BUG;
537 }
538
7dc55d93
AG		 539 devc->cb_data = cb_data;
540
bbabddbd
UH		 541 /*
542 * Reset the number of samples to take. If we've already collected our
7dc55d93 543 * quota, but we start a new session, and don't reset this, we'll just
bbabddbd
UH		 544 * quit without acquiring any new samples.
545 */
7dc55d93 546 devc->num_samples = 0;
f9b9bd63 547 devc->starttime = g_get_monotonic_time();
7dc55d93
AG		 548
549 /* Send header packet to the session bus. */
29a27196 550 std_session_send_df_header(cb_data, LOG_PREFIX);
7dc55d93 551
bbabddbd 552 /* Poll every 50ms, or whenever some data comes in. */
1e1bfcd0 553 serial = sdi->conn;
102f1239 554 serial_source_add(sdi->session, serial, G_IO_IN, 50,
16b7b790 555 dmms[dmm].receive_data, (void *)sdi);
7dc55d93
AG		 556
557 return SR_OK;
558}
559
6078d2c9 560static int dev_acquisition_stop(struct sr_dev_inst *sdi, void *cb_data)
7dc55d93 561{
d43b0908
BV		 562 return std_serial_dev_acquisition_stop(sdi, cb_data, std_serial_dev_close,
563 sdi->conn, LOG_PREFIX);
7dc55d93
AG		 564}
565
3098b390
AG		 566/* Driver-specific API function wrappers */
567#define HW_INIT(X) \
6078d2c9 568static int init_##X(struct sr_context *sr_ctx) { return init(sr_ctx, X); }
3098b390 569#define HW_CLEANUP(X) \
6078d2c9 570static int cleanup_##X(void) { return cleanup(X); }
3098b390 571#define HW_SCAN(X) \
6078d2c9 572static GSList *scan_##X(GSList *options) { return scan(options, X); }
3098b390 573#define HW_DEV_LIST(X) \
6078d2c9 574static GSList *dev_list_##X(void) { return dev_list(X); }
3b412e3a
UH		 575#define HW_DEV_CLEAR(X) \
576static int dev_clear_##X(void) { return dev_clear(X); }
16b7b790 577#define HW_DEV_ACQUISITION_START(X) \
6078d2c9
UH		 578static int dev_acquisition_start_##X(const struct sr_dev_inst *sdi, \
579void *cb_data) { return dev_acquisition_start(sdi, cb_data, X); }
3098b390
AG		 580
581/* Driver structs and API function wrappers */
f1437c68 582#define DRV(ID, ID_UPPER, NAME, LONGNAME) \
3098b390
AG		 583HW_INIT(ID_UPPER) \
584HW_CLEANUP(ID_UPPER) \
585HW_SCAN(ID_UPPER) \
586HW_DEV_LIST(ID_UPPER) \
3b412e3a 587HW_DEV_CLEAR(ID_UPPER) \
16b7b790 588HW_DEV_ACQUISITION_START(ID_UPPER) \
f1437c68
UH		 589SR_PRIV struct sr_dev_driver ID##_driver_info = { \
590 .name = NAME, \
591 .longname = LONGNAME, \
592 .api_version = 1, \
6078d2c9
UH		 593 .init = init_##ID_UPPER, \
594 .cleanup = cleanup_##ID_UPPER, \
595 .scan = scan_##ID_UPPER, \
596 .dev_list = dev_list_##ID_UPPER, \
3b412e3a 597 .dev_clear = dev_clear_##ID_UPPER, \
6fab7b8f 598 .config_get = NULL, \
035a1078 599 .config_set = config_set, \
a1c743fc 600 .config_list = config_list, \
854434de 601 .dev_open = std_serial_dev_open, \
bf2c987f 602 .dev_close = std_serial_dev_close, \
6078d2c9
UH		 603 .dev_acquisition_start = dev_acquisition_start_##ID_UPPER, \
604 .dev_acquisition_stop = dev_acquisition_stop, \
f1437c68 605 .priv = NULL, \
21829e67 606};
3098b390 607
825da8b2 608DRV(bbcgm_m2110, BBCGM_M2110, "bbcgm-m2110", "BBC Goertz Metrawatt M2110")
f1437c68
UH		 609DRV(digitek_dt4000zc, DIGITEK_DT4000ZC, "digitek-dt4000zc", "Digitek DT4000ZC")
610DRV(tekpower_tp4000zc, TEKPOWER_TP4000ZC, "tekpower-tp4000zc", "TekPower TP4000ZC")
611DRV(metex_me31, METEX_ME31, "metex-me31", "Metex ME-31")
612DRV(peaktech_3410, PEAKTECH_3410, "peaktech-3410", "PeakTech 3410")
613DRV(mastech_mas345, MASTECH_MAS345, "mastech-mas345", "MASTECH MAS345")
614DRV(va_va18b, VA_VA18B, "va-va18b", "V&A VA18B")
d327972b 615DRV(va_va40b, VA_VA40B, "va-va40b", "V&A VA40B")
f1437c68 616DRV(metex_m3640d, METEX_M3640D, "metex-m3640d", "Metex M-3640D")
88f544f2 617DRV(metex_m4650cr, METEX_M4650CR, "metex-m4650cr", "Metex M-4650CR")
f1437c68
UH		 618DRV(peaktech_4370, PEAKTECH_4370, "peaktech-4370", "PeakTech 4370")
619DRV(pce_pce_dm32, PCE_PCE_DM32, "pce-pce-dm32", "PCE PCE-DM32")
620DRV(radioshack_22_168, RADIOSHACK_22_168, "radioshack-22-168", "RadioShack 22-168")
3864648b 621DRV(radioshack_22_805, RADIOSHACK_22_805, "radioshack-22-805", "RadioShack 22-805")
f1437c68 622DRV(radioshack_22_812, RADIOSHACK_22_812, "radioshack-22-812", "RadioShack 22-812")
b38e08fb 623DRV(tecpel_dmm_8061_ser, TECPEL_DMM_8061_SER, "tecpel-dmm-8061-ser", "Tecpel DMM-8061 (UT-D02 cable)")
e83437ae 624DRV(voltcraft_m3650cr, VOLTCRAFT_M3650CR, "voltcraft-m3650cr", "Voltcraft M-3650CR")
5f2a4aff 625DRV(voltcraft_m3650d, VOLTCRAFT_M3650D, "voltcraft-m3650d", "Voltcraft M-3650D")
2b83d7fe 626DRV(voltcraft_m4650cr, VOLTCRAFT_M4650CR, "voltcraft-m4650cr", "Voltcraft M-4650CR")
1656e47d 627DRV(voltcraft_me42, VOLTCRAFT_ME42, "voltcraft-me42", "Voltcraft ME-42")
14766619 628DRV(voltcraft_vc820_ser, VOLTCRAFT_VC820_SER, "voltcraft-vc820-ser", "Voltcraft VC-820 (UT-D02 cable)")
6045b91a 629DRV(voltcraft_vc830_ser, VOLTCRAFT_VC830_SER, "voltcraft-vc830-ser", "Voltcraft VC-830 (UT-D02 cable)")
14766619 630DRV(voltcraft_vc840_ser, VOLTCRAFT_VC840_SER, "voltcraft-vc840-ser", "Voltcraft VC-840 (UT-D02 cable)")
a7a163a7
FK		 631DRV(uni_t_ut60a_ser, UNI_T_UT60A_SER, "uni-t-ut60a-ser", "UNI-T UT60A (UT-D02 cable)")
632DRV(uni_t_ut60e_ser, UNI_T_UT60E_SER, "uni-t-ut60e-ser", "UNI-T UT60E (UT-D02 cable)")
4104ef81 633DRV(uni_t_ut60g_ser, UNI_T_UT60G_SER, "uni-t-ut60g-ser", "UNI-T UT60G (UT-D02 cable)")
7cb69b18 634DRV(uni_t_ut61b_ser, UNI_T_UT61B_SER, "uni-t-ut61b-ser", "UNI-T UT61B (UT-D02 cable)")
5f985df2 635DRV(uni_t_ut61c_ser, UNI_T_UT61C_SER, "uni-t-ut61c-ser", "UNI-T UT61C (UT-D02 cable)")
ae3a59de 636DRV(uni_t_ut61d_ser, UNI_T_UT61D_SER, "uni-t-ut61d-ser", "UNI-T UT61D (UT-D02 cable)")
986fde75 637DRV(uni_t_ut61e_ser, UNI_T_UT61E_SER, "uni-t-ut61e-ser", "UNI-T UT61E (UT-D02 cable)")
df6b0f99 638DRV(iso_tech_idm103n, ISO_TECH_IDM103N, "iso-tech-idm103n", "ISO-TECH IDM103N")
2710cb53 639DRV(tenma_72_7745_ser, TENMA_72_7745_SER, "tenma-72-7745-ser", "Tenma 72-7745 (UT-D02 cable)")
d9e79c51 640DRV(tenma_72_7750_ser, TENMA_72_7750_SER, "tenma-72-7750-ser", "Tenma 72-7750 (UT-D02 cable)")
a24c3f4a 641DRV(brymen_bm25x_ser, BRYMEN_BM25X_SER, "brymen-bm25x-ser", "Brymen BM25x (BC20X cable)")
Hardware access and backend lib