hardware/serial-dmm/api.c

   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
  32 static const int32_t hwopts[] = {
  33         SR_CONF_CONN,
  34         SR_CONF_SERIALCOMM,
  35 };
  36
  37 static const int32_t hwcaps[] = {
  38         SR_CONF_MULTIMETER,
  39         SR_CONF_LIMIT_SAMPLES,
  40         SR_CONF_LIMIT_MSEC,
  41         SR_CONF_CONTINUOUS,
  42 };
  43
  44 SR_PRIV struct sr_dev_driver bbcgm_m2110_driver_info;
  45 SR_PRIV struct sr_dev_driver digitek_dt4000zc_driver_info;
  46 SR_PRIV struct sr_dev_driver tekpower_tp4000zc_driver_info;
  47 SR_PRIV struct sr_dev_driver metex_me31_driver_info;
  48 SR_PRIV struct sr_dev_driver peaktech_3410_driver_info;
  49 SR_PRIV struct sr_dev_driver mastech_mas345_driver_info;
  50 SR_PRIV struct sr_dev_driver va_va18b_driver_info;
  51 SR_PRIV struct sr_dev_driver va_va40b_driver_info;
  52 SR_PRIV struct sr_dev_driver metex_m3640d_driver_info;
  53 SR_PRIV struct sr_dev_driver metex_m4650cr_driver_info;
  54 SR_PRIV struct sr_dev_driver peaktech_4370_driver_info;
  55 SR_PRIV struct sr_dev_driver pce_pce_dm32_driver_info;
  56 SR_PRIV struct sr_dev_driver radioshack_22_168_driver_info;
  57 SR_PRIV struct sr_dev_driver radioshack_22_805_driver_info;
  58 SR_PRIV struct sr_dev_driver radioshack_22_812_driver_info;
  59 SR_PRIV struct sr_dev_driver tecpel_dmm_8061_ser_driver_info;
  60 SR_PRIV struct sr_dev_driver voltcraft_m3650d_driver_info;
  61 SR_PRIV struct sr_dev_driver voltcraft_m4650cr_driver_info;
  62 SR_PRIV struct sr_dev_driver voltcraft_vc820_ser_driver_info;
  63 SR_PRIV struct sr_dev_driver voltcraft_vc830_ser_driver_info;
  64 SR_PRIV struct sr_dev_driver voltcraft_vc840_ser_driver_info;
  65 SR_PRIV struct sr_dev_driver uni_t_ut60a_ser_driver_info;
  66 SR_PRIV struct sr_dev_driver uni_t_ut60e_ser_driver_info;
  67 SR_PRIV struct sr_dev_driver uni_t_ut60g_ser_driver_info;
  68 SR_PRIV struct sr_dev_driver uni_t_ut61b_ser_driver_info;
  69 SR_PRIV struct sr_dev_driver uni_t_ut61c_ser_driver_info;
  70 SR_PRIV struct sr_dev_driver uni_t_ut61d_ser_driver_info;
  71 SR_PRIV struct sr_dev_driver uni_t_ut61e_ser_driver_info;
  72 SR_PRIV struct sr_dev_driver iso_tech_idm103n_driver_info;
  73 SR_PRIV struct sr_dev_driver tenma_72_7750_ser_driver_info;
  74
  75 SR_PRIV struct dmm_info dmms[] = {
  76         {
  77                 "BBC Goertz Metrawatt", "M2110", "1200/7n2", 1200,
  78                 BBCGM_M2110_PACKET_SIZE, NULL,
  79                 sr_m2110_packet_valid, sr_m2110_parse,
  80                 NULL,
  81                 &bbcgm_m2110_driver_info, receive_data_BBCGM_M2110,
  82         },
  83         {
  84                 "Digitek", "DT4000ZC", "2400/8n1/dtr=1", 2400,
  85                 FS9721_PACKET_SIZE, NULL,
  86                 sr_fs9721_packet_valid, sr_fs9721_parse,
  87                 sr_fs9721_10_temp_c,
  88                 &digitek_dt4000zc_driver_info, receive_data_DIGITEK_DT4000ZC,
  89         },
  90         {
  91                 "TekPower", "TP4000ZC", "2400/8n1/dtr=1", 2400,
  92                 FS9721_PACKET_SIZE, NULL,
  93                 sr_fs9721_packet_valid, sr_fs9721_parse,
  94                 sr_fs9721_10_temp_c,
  95                 &tekpower_tp4000zc_driver_info, receive_data_TEKPOWER_TP4000ZC,
  96         },
  97         {
  98                 "Metex", "ME-31", "600/7n2/rts=0/dtr=1", 600,
  99                 METEX14_PACKET_SIZE, sr_metex14_packet_request,
 100                 sr_metex14_packet_valid, sr_metex14_parse,
 101                 NULL,
 102                 &metex_me31_driver_info, receive_data_METEX_ME31,
 103         },
 104         {
 105                 "Peaktech", "3410", "600/7n2/rts=0/dtr=1", 600,
 106                 METEX14_PACKET_SIZE, sr_metex14_packet_request,
 107                 sr_metex14_packet_valid, sr_metex14_parse,
 108                 NULL,
 109                 &peaktech_3410_driver_info, receive_data_PEAKTECH_3410,
 110         },
 111         {
 112                 "MASTECH", "MAS345", "600/7n2/rts=0/dtr=1", 600,
 113                 METEX14_PACKET_SIZE, sr_metex14_packet_request,
 114                 sr_metex14_packet_valid, sr_metex14_parse,
 115                 NULL,
 116                 &mastech_mas345_driver_info, receive_data_MASTECH_MAS345,
 117         },
 118         {
 119                 "V&A", "VA18B", "2400/8n1", 2400,
 120                 FS9721_PACKET_SIZE, NULL,
 121                 sr_fs9721_packet_valid, sr_fs9721_parse,
 122                 sr_fs9721_01_temp_c,
 123                 &va_va18b_driver_info, receive_data_VA_VA18B,
 124         },
 125         {
 126                 "V&A", "VA40B", "2400/8n1", 2400,
 127                 FS9721_PACKET_SIZE, NULL,
 128                 sr_fs9721_packet_valid, sr_fs9721_parse,
 129                 sr_fs9721_max_c_min,
 130                 &va_va40b_driver_info, receive_data_VA_VA40B,
 131         },
 132         {
 133                 "Metex", "M-3640D", "1200/7n2/rts=0/dtr=1", 1200,
 134                 METEX14_PACKET_SIZE, sr_metex14_packet_request,
 135                 sr_metex14_packet_valid, sr_metex14_parse,
 136                 NULL,
 137                 &metex_m3640d_driver_info, receive_data_METEX_M3640D,
 138         },
 139         {
 140                 "Metex", "M-4650CR", "1200/7n2/rts=0/dtr=1", 1200,
 141                 METEX14_PACKET_SIZE, sr_metex14_packet_request,
 142                 sr_metex14_packet_valid, sr_metex14_parse,
 143                 NULL,
 144                 &metex_m4650cr_driver_info, receive_data_METEX_M4650CR,
 145         },
 146         {
 147                 "PeakTech", "4370", "1200/7n2/rts=0/dtr=1", 1200,
 148                 METEX14_PACKET_SIZE, sr_metex14_packet_request,
 149                 sr_metex14_packet_valid, sr_metex14_parse,
 150                 NULL,
 151                 &peaktech_4370_driver_info, receive_data_PEAKTECH_4370,
 152         },
 153         {
 154                 "PCE", "PCE-DM32", "2400/8n1", 2400,
 155                 FS9721_PACKET_SIZE, NULL,
 156                 sr_fs9721_packet_valid, sr_fs9721_parse,
 157                 sr_fs9721_01_10_temp_f_c,
 158                 &pce_pce_dm32_driver_info, receive_data_PCE_PCE_DM32,
 159         },
 160         {
 161                 "RadioShack", "22-168", "1200/7n2/rts=0/dtr=1", 1200,
 162                 METEX14_PACKET_SIZE, sr_metex14_packet_request,
 163                 sr_metex14_packet_valid, sr_metex14_parse,
 164                 NULL,
 165                 &radioshack_22_168_driver_info, receive_data_RADIOSHACK_22_168,
 166         },
 167         {
 168                 "RadioShack", "22-805", "600/7n2/rts=0/dtr=1", 600,
 169                 METEX14_PACKET_SIZE, sr_metex14_packet_request,
 170                 sr_metex14_packet_valid, sr_metex14_parse,
 171                 NULL,
 172                 &radioshack_22_805_driver_info, receive_data_RADIOSHACK_22_805,
 173         },
 174         {
 175                 "RadioShack", "22-812", "4800/8n1/rts=0/dtr=1", 4800,
 176                 RS9LCD_PACKET_SIZE, NULL,
 177                 sr_rs9lcd_packet_valid, sr_rs9lcd_parse,
 178                 NULL,
 179                 &radioshack_22_812_driver_info, receive_data_RADIOSHACK_22_812,
 180         },
 181         {
 182                 "Tecpel", "DMM-8061 (UT-D02 cable)", "2400/8n1/rts=0/dtr=1",
 183                 2400, FS9721_PACKET_SIZE, NULL,
 184                 sr_fs9721_packet_valid, sr_fs9721_parse,
 185                 sr_fs9721_00_temp_c,
 186                 &tecpel_dmm_8061_ser_driver_info,
 187                 receive_data_TECPEL_DMM_8061_SER,
 188         },
 189         {
 190                 "Voltcraft", "M-3650D", "1200/7n2/rts=0/dtr=1", 1200,
 191                 METEX14_PACKET_SIZE, sr_metex14_packet_request,
 192                 sr_metex14_packet_valid, sr_metex14_parse,
 193                 NULL,
 194                 &voltcraft_m3650d_driver_info, receive_data_VOLTCRAFT_M3650D,
 195         },
 196         {
 197                 "Voltcraft", "M-4650CR", "1200/7n2/rts=0/dtr=1", 1200,
 198                 METEX14_PACKET_SIZE, sr_metex14_packet_request,
 199                 sr_metex14_packet_valid, sr_metex14_parse,
 200                 NULL,
 201                 &voltcraft_m4650cr_driver_info, receive_data_VOLTCRAFT_M4650CR,
 202         },
 203         {
 204                 "Voltcraft", "VC-820 (UT-D02 cable)", "2400/8n1/rts=0/dtr=1",
 205                 2400, FS9721_PACKET_SIZE, NULL,
 206                 sr_fs9721_packet_valid, sr_fs9721_parse,
 207                 NULL,
 208                 &voltcraft_vc820_ser_driver_info,
 209                 receive_data_VOLTCRAFT_VC820_SER,
 210         },
 211         {
 212                 /*
 213                  * Note: The VC830 doesn't set the 'volt' and 'diode' bits of
 214                  * the FS9922 protocol. Instead, it only sets the user-defined
 215                  * bit "z1" to indicate "diode mode" and "voltage".
 216                  */
 217                 "Voltcraft", "VC-830 (UT-D02 cable)", "2400/8n1/rts=0/dtr=1",
 218                 2400, FS9922_PACKET_SIZE, NULL,
 219                 sr_fs9922_packet_valid, sr_fs9922_parse,
 220                 &sr_fs9922_z1_diode,
 221                 &voltcraft_vc830_ser_driver_info,
 222                 receive_data_VOLTCRAFT_VC830_SER,
 223         },
 224         {
 225                 "Voltcraft", "VC-840 (UT-D02 cable)", "2400/8n1/rts=0/dtr=1",
 226                 2400, FS9721_PACKET_SIZE, NULL,
 227                 sr_fs9721_packet_valid, sr_fs9721_parse,
 228                 sr_fs9721_00_temp_c,
 229                 &voltcraft_vc840_ser_driver_info,
 230                 receive_data_VOLTCRAFT_VC840_SER,
 231         },
 232         {
 233                 "UNI-T", "UT60A (UT-D02 cable)", "2400/8n1/rts=0/dtr=1",
 234                 2400, FS9721_PACKET_SIZE, NULL,
 235                 sr_fs9721_packet_valid, sr_fs9721_parse,
 236                 NULL,
 237                 &uni_t_ut60a_ser_driver_info,
 238                 receive_data_UNI_T_UT60A_SER,
 239         },
 240         {
 241                 "UNI-T", "UT60E (UT-D02 cable)", "2400/8n1/rts=0/dtr=1",
 242                 2400, FS9721_PACKET_SIZE, NULL,
 243                 sr_fs9721_packet_valid, sr_fs9721_parse,
 244                 sr_fs9721_00_temp_c,
 245                 &uni_t_ut60e_ser_driver_info,
 246                 receive_data_UNI_T_UT60E_SER,
 247         },
 248         {
 249                 /* Note: ES51986 baudrate is actually 19230! */
 250                 "UNI-T", "UT60G (UT-D02 cable)", "19200/7o1/rts=0/dtr=1",
 251                 19200, ES519XX_11B_PACKET_SIZE, NULL,
 252                 sr_es519xx_19200_11b_packet_valid, sr_es519xx_19200_11b_parse,
 253                 NULL,
 254                 &uni_t_ut60g_ser_driver_info, receive_data_UNI_T_UT60G_SER,
 255         },
 256         {
 257                 "UNI-T", "UT61B (UT-D02 cable)", "2400/8n1/rts=0/dtr=1",
 258                 2400, FS9922_PACKET_SIZE, NULL,
 259                 sr_fs9922_packet_valid, sr_fs9922_parse, NULL,
 260                 &uni_t_ut61b_ser_driver_info, receive_data_UNI_T_UT61B_SER,
 261         },
 262         {
 263                 "UNI-T", "UT61C (UT-D02 cable)", "2400/8n1/rts=0/dtr=1",
 264                 2400, FS9922_PACKET_SIZE, NULL,
 265                 sr_fs9922_packet_valid, sr_fs9922_parse, NULL,
 266                 &uni_t_ut61c_ser_driver_info, receive_data_UNI_T_UT61C_SER,
 267         },
 268         {
 269                 "UNI-T", "UT61D (UT-D02 cable)", "2400/8n1/rts=0/dtr=1",
 270                 2400, FS9922_PACKET_SIZE, NULL,
 271                 sr_fs9922_packet_valid, sr_fs9922_parse, NULL,
 272                 &uni_t_ut61d_ser_driver_info, receive_data_UNI_T_UT61D_SER,
 273         },
 274         {
 275                 /* Note: ES51922 baudrate is actually 19230! */
 276                 "UNI-T", "UT61E (UT-D02 cable)", "19200/7o1/rts=0/dtr=1",
 277                 19200, ES519XX_14B_PACKET_SIZE, NULL,
 278                 sr_es519xx_19200_14b_packet_valid, sr_es519xx_19200_14b_parse, NULL,
 279                 &uni_t_ut61e_ser_driver_info, receive_data_UNI_T_UT61E_SER,
 280         },
 281         {
 282                 "ISO-TECH", "IDM103N", "2400/7o1/rts=0/dtr=1",
 283                 2400, ES519XX_11B_PACKET_SIZE, NULL,
 284                 sr_es519xx_2400_11b_packet_valid, sr_es519xx_2400_11b_parse, NULL,
 285                 &iso_tech_idm103n_driver_info, receive_data_ISO_TECH_IDM103N,
 286         },
 287         {
 288                 /* Note: ES51986 baudrate is actually 19230! */
 289                 "Tenma", "72-7750 (UT-D02 cable)", "19200/7o1/rts=0/dtr=1",
 290                 19200, ES519XX_11B_PACKET_SIZE, NULL,
 291                 sr_es519xx_19200_11b_packet_valid, sr_es519xx_19200_11b_parse,
 292                 NULL,
 293                 &tenma_72_7750_ser_driver_info, receive_data_TENMA_72_7750_SER,
 294         },
 295 };
 296
 297 static int dev_clear(int dmm)
 298 {
 299         return std_dev_clear(dmms[dmm].di, NULL);
 300 }
 301
 302 static int init(struct sr_context *sr_ctx, int dmm)
 303 {
 304         sr_dbg("Selected '%s' subdriver.", dmms[dmm].di->name);
 305
 306         return std_init(sr_ctx, dmms[dmm].di, LOG_PREFIX);
 307 }
 308
 309 static GSList *sdmm_scan(const char *conn, const char *serialcomm, int dmm)
 310 {
 311         struct sr_dev_inst *sdi;
 312         struct drv_context *drvc;
 313         struct dev_context *devc;
 314         struct sr_probe *probe;
 315         struct sr_serial_dev_inst *serial;
 316         GSList *devices;
 317         int dropped, ret;
 318         size_t len;
 319         uint8_t buf[128];
 320
 321         if (!(serial = sr_serial_dev_inst_new(conn, serialcomm)))
 322                 return NULL;
 323
 324         if (serial_open(serial, SERIAL_RDWR | SERIAL_NONBLOCK) != SR_OK)
 325                 return NULL;
 326
 327         sr_info("Probing serial port %s.", conn);
 328
 329         drvc = dmms[dmm].di->priv;
 330         devices = NULL;
 331         serial_flush(serial);
 332
 333         /* Request a packet if the DMM requires this. */
 334         if (dmms[dmm].packet_request) {
 335                 if ((ret = dmms[dmm].packet_request(serial)) < 0) {
 336                         sr_err("Failed to request packet: %d.", ret);
 337                         return FALSE;
 338                 }
 339         }
 340
 341         /*
 342          * There's no way to get an ID from the multimeter. It just sends data
 343          * periodically (or upon request), so the best we can do is check if
 344          * the packets match the expected format.
 345          */
 346
 347         /* Let's get a bit of data and see if we can find a packet. */
 348         len = sizeof(buf);
 349         ret = serial_stream_detect(serial, buf, &len, dmms[dmm].packet_size,
 350                                    dmms[dmm].packet_valid, 3000,
 351                                    dmms[dmm].baudrate);
 352         if (ret != SR_OK)
 353                 goto scan_cleanup;
 354
 355         /*
 356          * If we dropped more than two packets worth of data, something is
 357          * wrong. We shouldn't quit however, since the dropped bytes might be
 358          * just zeroes at the beginning of the stream. Those can occur as a
 359          * combination of the nonstandard cable that ships with some devices
 360          * and the serial port or USB to serial adapter.
 361          */
 362         dropped = len - dmms[dmm].packet_size;
 363         if (dropped > 2 * dmms[dmm].packet_size)
 364                 sr_warn("Had to drop too much data.");
 365
 366         sr_info("Found device on port %s.", conn);
 367
 368         if (!(sdi = sr_dev_inst_new(0, SR_ST_INACTIVE, dmms[dmm].vendor,
 369                                     dmms[dmm].device, "")))
 370                 goto scan_cleanup;
 371
 372         if (!(devc = g_try_malloc0(sizeof(struct dev_context)))) {
 373                 sr_err("Device context malloc failed.");
 374                 goto scan_cleanup;
 375         }
 376
 377         sdi->inst_type = SR_INST_SERIAL;
 378         sdi->conn = serial;
 379
 380         sdi->priv = devc;
 381         sdi->driver = dmms[dmm].di;
 382         if (!(probe = sr_probe_new(0, SR_PROBE_ANALOG, TRUE, "P1")))
 383                 goto scan_cleanup;
 384         sdi->probes = g_slist_append(sdi->probes, probe);
 385         drvc->instances = g_slist_append(drvc->instances, sdi);
 386         devices = g_slist_append(devices, sdi);
 387
 388 scan_cleanup:
 389         serial_close(serial);
 390
 391         return devices;
 392 }
 393
 394 static GSList *scan(GSList *options, int dmm)
 395 {
 396         struct sr_config *src;
 397         GSList *l, *devices;
 398         const char *conn, *serialcomm;
 399
 400         conn = serialcomm = NULL;
 401         for (l = options; l; l = l->next) {
 402                 src = l->data;
 403                 switch (src->key) {
 404                 case SR_CONF_CONN:
 405                         conn = g_variant_get_string(src->data, NULL);
 406                         break;
 407                 case SR_CONF_SERIALCOMM:
 408                         serialcomm = g_variant_get_string(src->data, NULL);
 409                         break;
 410                 }
 411         }
 412         if (!conn)
 413                 return NULL;
 414
 415         if (serialcomm) {
 416                 /* Use the provided comm specs. */
 417                 devices = sdmm_scan(conn, serialcomm, dmm);
 418         } else {
 419                 /* Try the default. */
 420                 devices = sdmm_scan(conn, dmms[dmm].conn, dmm);
 421         }
 422
 423         return devices;
 424 }
 425
 426 static GSList *dev_list(int dmm)
 427 {
 428         return ((struct drv_context *)(dmms[dmm].di->priv))->instances;
 429 }
 430
 431 static int cleanup(int dmm)
 432 {
 433         return dev_clear(dmm);
 434 }
 435
 436 static int config_set(int id, GVariant *data, const struct sr_dev_inst *sdi,
 437                 const struct sr_probe_group *probe_group)
 438 {
 439         struct dev_context *devc;
 440
 441         (void)probe_group;
 442
 443         if (sdi->status != SR_ST_ACTIVE)
 444                 return SR_ERR_DEV_CLOSED;
 445
 446         if (!(devc = sdi->priv)) {
 447                 sr_err("sdi->priv was NULL.");
 448                 return SR_ERR_BUG;
 449         }
 450
 451         switch (id) {
 452         case SR_CONF_LIMIT_SAMPLES:
 453                 devc->limit_samples = g_variant_get_uint64(data);
 454                 sr_dbg("Setting sample limit to %" PRIu64 ".",
 455                        devc->limit_samples);
 456                 break;
 457         case SR_CONF_LIMIT_MSEC:
 458                 devc->limit_msec = g_variant_get_uint64(data);
 459                 sr_dbg("Setting time limit to %" PRIu64 "ms.",
 460                        devc->limit_msec);
 461                 break;
 462         default:
 463                 return SR_ERR_NA;
 464         }
 465
 466         return SR_OK;
 467 }
 468
 469 static int config_list(int key, GVariant **data, const struct sr_dev_inst *sdi,
 470                 const struct sr_probe_group *probe_group)
 471 {
 472         (void)sdi;
 473         (void)probe_group;
 474
 475         switch (key) {
 476         case SR_CONF_SCAN_OPTIONS:
 477                 *data = g_variant_new_fixed_array(G_VARIANT_TYPE_INT32,
 478                                 hwopts, ARRAY_SIZE(hwopts), sizeof(int32_t));
 479                 break;
 480         case SR_CONF_DEVICE_OPTIONS:
 481                 *data = g_variant_new_fixed_array(G_VARIANT_TYPE_INT32,
 482                                 hwcaps, ARRAY_SIZE(hwcaps), sizeof(int32_t));
 483                 break;
 484         default:
 485                 return SR_ERR_NA;
 486         }
 487
 488         return SR_OK;
 489 }
 490
 491 static int dev_acquisition_start(const struct sr_dev_inst *sdi,
 492                                     void *cb_data, int dmm)
 493 {
 494         struct dev_context *devc;
 495         struct sr_serial_dev_inst *serial;
 496
 497         if (sdi->status != SR_ST_ACTIVE)
 498                 return SR_ERR_DEV_CLOSED;
 499
 500         if (!(devc = sdi->priv)) {
 501                 sr_err("sdi->priv was NULL.");
 502                 return SR_ERR_BUG;
 503         }
 504
 505         devc->cb_data = cb_data;
 506
 507         /*
 508          * Reset the number of samples to take. If we've already collected our
 509          * quota, but we start a new session, and don't reset this, we'll just
 510          * quit without acquiring any new samples.
 511          */
 512         devc->num_samples = 0;
 513         devc->starttime = g_get_monotonic_time();
 514
 515         /* Send header packet to the session bus. */
 516         std_session_send_df_header(cb_data, LOG_PREFIX);
 517
 518         /* Poll every 50ms, or whenever some data comes in. */
 519         serial = sdi->conn;
 520         serial_source_add(serial, G_IO_IN, 50,
 521                       dmms[dmm].receive_data, (void *)sdi);
 522
 523         return SR_OK;
 524 }
 525
 526 static int dev_acquisition_stop(struct sr_dev_inst *sdi, void *cb_data)
 527 {
 528         return std_serial_dev_acquisition_stop(sdi, cb_data, std_serial_dev_close,
 529                         sdi->conn, LOG_PREFIX);
 530 }
 531
 532 /* Driver-specific API function wrappers */
 533 #define HW_INIT(X) \
 534 static int init_##X(struct sr_context *sr_ctx) { return init(sr_ctx, X); }
 535 #define HW_CLEANUP(X) \
 536 static int cleanup_##X(void) { return cleanup(X); }
 537 #define HW_SCAN(X) \
 538 static GSList *scan_##X(GSList *options) { return scan(options, X); }
 539 #define HW_DEV_LIST(X) \
 540 static GSList *dev_list_##X(void) { return dev_list(X); }
 541 #define HW_DEV_CLEAR(X) \
 542 static int dev_clear_##X(void) { return dev_clear(X); }
 543 #define HW_DEV_ACQUISITION_START(X) \
 544 static int dev_acquisition_start_##X(const struct sr_dev_inst *sdi, \
 545 void *cb_data) { return dev_acquisition_start(sdi, cb_data, X); }
 546
 547 /* Driver structs and API function wrappers */
 548 #define DRV(ID, ID_UPPER, NAME, LONGNAME) \
 549 HW_INIT(ID_UPPER) \
 550 HW_CLEANUP(ID_UPPER) \
 551 HW_SCAN(ID_UPPER) \
 552 HW_DEV_LIST(ID_UPPER) \
 553 HW_DEV_CLEAR(ID_UPPER) \
 554 HW_DEV_ACQUISITION_START(ID_UPPER) \
 555 SR_PRIV struct sr_dev_driver ID##_driver_info = { \
 556         .name = NAME, \
 557         .longname = LONGNAME, \
 558         .api_version = 1, \
 559         .init = init_##ID_UPPER, \
 560         .cleanup = cleanup_##ID_UPPER, \
 561         .scan = scan_##ID_UPPER, \
 562         .dev_list = dev_list_##ID_UPPER, \
 563         .dev_clear = dev_clear_##ID_UPPER, \
 564         .config_get = NULL, \
 565         .config_set = config_set, \
 566         .config_list = config_list, \
 567         .dev_open = std_serial_dev_open, \
 568         .dev_close = std_serial_dev_close, \
 569         .dev_acquisition_start = dev_acquisition_start_##ID_UPPER, \
 570         .dev_acquisition_stop = dev_acquisition_stop, \
 571         .priv = NULL, \
 572 };
 573
 574 DRV(bbcgm_m2110, BBCGM_M2110, "bbcgm-m2110", "BBC Goertz Metrawatt M2110")
 575 DRV(digitek_dt4000zc, DIGITEK_DT4000ZC, "digitek-dt4000zc", "Digitek DT4000ZC")
 576 DRV(tekpower_tp4000zc, TEKPOWER_TP4000ZC, "tekpower-tp4000zc", "TekPower TP4000ZC")
 577 DRV(metex_me31, METEX_ME31, "metex-me31", "Metex ME-31")
 578 DRV(peaktech_3410, PEAKTECH_3410, "peaktech-3410", "PeakTech 3410")
 579 DRV(mastech_mas345, MASTECH_MAS345, "mastech-mas345", "MASTECH MAS345")
 580 DRV(va_va18b, VA_VA18B, "va-va18b", "V&A VA18B")
 581 DRV(va_va40b, VA_VA40B, "va-va40b", "V&A VA40B")
 582 DRV(metex_m3640d, METEX_M3640D, "metex-m3640d", "Metex M-3640D")
 583 DRV(metex_m4650cr, METEX_M4650CR, "metex-m4650cr", "Metex M-4650CR")
 584 DRV(peaktech_4370, PEAKTECH_4370, "peaktech-4370", "PeakTech 4370")
 585 DRV(pce_pce_dm32, PCE_PCE_DM32, "pce-pce-dm32", "PCE PCE-DM32")
 586 DRV(radioshack_22_168, RADIOSHACK_22_168, "radioshack-22-168", "RadioShack 22-168")
 587 DRV(radioshack_22_805, RADIOSHACK_22_805, "radioshack-22-805", "RadioShack 22-805")
 588 DRV(radioshack_22_812, RADIOSHACK_22_812, "radioshack-22-812", "RadioShack 22-812")
 589 DRV(tecpel_dmm_8061_ser, TECPEL_DMM_8061_SER, "tecpel-dmm-8061-ser", "Tecpel DMM-8061 (UT-D02 cable)")
 590 DRV(voltcraft_m3650d, VOLTCRAFT_M3650D, "voltcraft-m3650d", "Voltcraft M-3650D")
 591 DRV(voltcraft_m4650cr, VOLTCRAFT_M4650CR, "voltcraft-m4650cr", "Voltcraft M-4650CR")
 592 DRV(voltcraft_vc820_ser, VOLTCRAFT_VC820_SER, "voltcraft-vc820-ser", "Voltcraft VC-820 (UT-D02 cable)")
 593 DRV(voltcraft_vc830_ser, VOLTCRAFT_VC830_SER, "voltcraft-vc830-ser", "Voltcraft VC-830 (UT-D02 cable)")
 594 DRV(voltcraft_vc840_ser, VOLTCRAFT_VC840_SER, "voltcraft-vc840-ser", "Voltcraft VC-840 (UT-D02 cable)")
 595 DRV(uni_t_ut60a_ser, UNI_T_UT60A_SER, "uni-t-ut60a-ser", "UNI-T UT60A (UT-D02 cable)")
 596 DRV(uni_t_ut60e_ser, UNI_T_UT60E_SER, "uni-t-ut60e-ser", "UNI-T UT60E (UT-D02 cable)")
 597 DRV(uni_t_ut60g_ser, UNI_T_UT60G_SER, "uni-t-ut60g-ser", "UNI-T UT60G (UT-D02 cable)")
 598 DRV(uni_t_ut61b_ser, UNI_T_UT61B_SER, "uni-t-ut61b-ser", "UNI-T UT61B (UT-D02 cable)")
 599 DRV(uni_t_ut61c_ser, UNI_T_UT61C_SER, "uni-t-ut61c-ser", "UNI-T UT61C (UT-D02 cable)")
 600 DRV(uni_t_ut61d_ser, UNI_T_UT61D_SER, "uni-t-ut61d-ser", "UNI-T UT61D (UT-D02 cable)")
 601 DRV(uni_t_ut61e_ser, UNI_T_UT61E_SER, "uni-t-ut61e-ser", "UNI-T UT61E (UT-D02 cable)")
 602 DRV(iso_tech_idm103n, ISO_TECH_IDM103N, "iso-tech-idm103n", "ISO-TECH IDM103N")
 603 DRV(tenma_72_7750_ser, TENMA_72_7750_SER, "tenma-72-7750-ser", "Tenma 72-7750 (UT-D02 cable)")