src/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_m3650cr_driver_info;
  61 SR_PRIV struct sr_dev_driver voltcraft_m3650d_driver_info;
  62 SR_PRIV struct sr_dev_driver voltcraft_m4650cr_driver_info;
  63 SR_PRIV struct sr_dev_driver voltcraft_me42_driver_info;
  64 SR_PRIV struct sr_dev_driver voltcraft_vc820_ser_driver_info;
  65 SR_PRIV struct sr_dev_driver voltcraft_vc830_ser_driver_info;
  66 SR_PRIV struct sr_dev_driver voltcraft_vc840_ser_driver_info;
  67 SR_PRIV struct sr_dev_driver uni_t_ut60a_ser_driver_info;
  68 SR_PRIV struct sr_dev_driver uni_t_ut60e_ser_driver_info;
  69 SR_PRIV struct sr_dev_driver uni_t_ut60g_ser_driver_info;
  70 SR_PRIV struct sr_dev_driver uni_t_ut61b_ser_driver_info;
  71 SR_PRIV struct sr_dev_driver uni_t_ut61c_ser_driver_info;
  72 SR_PRIV struct sr_dev_driver uni_t_ut61d_ser_driver_info;
  73 SR_PRIV struct sr_dev_driver uni_t_ut61e_ser_driver_info;
  74 SR_PRIV struct sr_dev_driver iso_tech_idm103n_driver_info;
  75 SR_PRIV struct sr_dev_driver tenma_72_7745_ser_driver_info;
  76 SR_PRIV struct sr_dev_driver tenma_72_7750_ser_driver_info;
  77
  78 SR_PRIV struct dmm_info dmms[] = {
  79         {
  80                 "BBC Goertz Metrawatt", "M2110", "1200/7n2", 1200,
  81                 BBCGM_M2110_PACKET_SIZE, 0, 0, NULL,
  82                 sr_m2110_packet_valid, sr_m2110_parse,
  83                 NULL,
  84                 &bbcgm_m2110_driver_info, receive_data_BBCGM_M2110,
  85         },
  86         {
  87                 "Digitek", "DT4000ZC", "2400/8n1/dtr=1", 2400,
  88                 FS9721_PACKET_SIZE, 0, 0, NULL,
  89                 sr_fs9721_packet_valid, sr_fs9721_parse,
  90                 sr_fs9721_10_temp_c,
  91                 &digitek_dt4000zc_driver_info, receive_data_DIGITEK_DT4000ZC,
  92         },
  93         {
  94                 "TekPower", "TP4000ZC", "2400/8n1/dtr=1", 2400,
  95                 FS9721_PACKET_SIZE, 0, 0, NULL,
  96                 sr_fs9721_packet_valid, sr_fs9721_parse,
  97                 sr_fs9721_10_temp_c,
  98                 &tekpower_tp4000zc_driver_info, receive_data_TEKPOWER_TP4000ZC,
  99         },
 100         {
 101                 "Metex", "ME-31", "600/7n2/rts=0/dtr=1", 600,
 102                 METEX14_PACKET_SIZE, 0, 0, sr_metex14_packet_request,
 103                 sr_metex14_packet_valid, sr_metex14_parse,
 104                 NULL,
 105                 &metex_me31_driver_info, receive_data_METEX_ME31,
 106         },
 107         {
 108                 "Peaktech", "3410", "600/7n2/rts=0/dtr=1", 600,
 109                 METEX14_PACKET_SIZE, 0, 0, sr_metex14_packet_request,
 110                 sr_metex14_packet_valid, sr_metex14_parse,
 111                 NULL,
 112                 &peaktech_3410_driver_info, receive_data_PEAKTECH_3410,
 113         },
 114         {
 115                 "MASTECH", "MAS345", "600/7n2/rts=0/dtr=1", 600,
 116                 METEX14_PACKET_SIZE, 0, 0, sr_metex14_packet_request,
 117                 sr_metex14_packet_valid, sr_metex14_parse,
 118                 NULL,
 119                 &mastech_mas345_driver_info, receive_data_MASTECH_MAS345,
 120         },
 121         {
 122                 "V&A", "VA18B", "2400/8n1", 2400,
 123                 FS9721_PACKET_SIZE, 0, 0, NULL,
 124                 sr_fs9721_packet_valid, sr_fs9721_parse,
 125                 sr_fs9721_01_temp_c,
 126                 &va_va18b_driver_info, receive_data_VA_VA18B,
 127         },
 128         {
 129                 "V&A", "VA40B", "2400/8n1", 2400,
 130                 FS9721_PACKET_SIZE, 0, 0, NULL,
 131                 sr_fs9721_packet_valid, sr_fs9721_parse,
 132                 sr_fs9721_max_c_min,
 133                 &va_va40b_driver_info, receive_data_VA_VA40B,
 134         },
 135         {
 136                 "Metex", "M-3640D", "1200/7n2/rts=0/dtr=1", 1200,
 137                 METEX14_PACKET_SIZE, 0, 0, sr_metex14_packet_request,
 138                 sr_metex14_packet_valid, sr_metex14_parse,
 139                 NULL,
 140                 &metex_m3640d_driver_info, receive_data_METEX_M3640D,
 141         },
 142         {
 143                 "Metex", "M-4650CR", "1200/7n2/rts=0/dtr=1", 1200,
 144                 METEX14_PACKET_SIZE, 0, 0, sr_metex14_packet_request,
 145                 sr_metex14_packet_valid, sr_metex14_parse,
 146                 NULL,
 147                 &metex_m4650cr_driver_info, receive_data_METEX_M4650CR,
 148         },
 149         {
 150                 "PeakTech", "4370", "1200/7n2/rts=0/dtr=1", 1200,
 151                 METEX14_PACKET_SIZE, 0, 0, sr_metex14_packet_request,
 152                 sr_metex14_packet_valid, sr_metex14_parse,
 153                 NULL,
 154                 &peaktech_4370_driver_info, receive_data_PEAKTECH_4370,
 155         },
 156         {
 157                 "PCE", "PCE-DM32", "2400/8n1", 2400,
 158                 FS9721_PACKET_SIZE, 0, 0, NULL,
 159                 sr_fs9721_packet_valid, sr_fs9721_parse,
 160                 sr_fs9721_01_10_temp_f_c,
 161                 &pce_pce_dm32_driver_info, receive_data_PCE_PCE_DM32,
 162         },
 163         {
 164                 "RadioShack", "22-168", "1200/7n2/rts=0/dtr=1", 1200,
 165                 METEX14_PACKET_SIZE, 0, 0, sr_metex14_packet_request,
 166                 sr_metex14_packet_valid, sr_metex14_parse,
 167                 NULL,
 168                 &radioshack_22_168_driver_info, receive_data_RADIOSHACK_22_168,
 169         },
 170         {
 171                 "RadioShack", "22-805", "600/7n2/rts=0/dtr=1", 600,
 172                 METEX14_PACKET_SIZE, 0, 0, sr_metex14_packet_request,
 173                 sr_metex14_packet_valid, sr_metex14_parse,
 174                 NULL,
 175                 &radioshack_22_805_driver_info, receive_data_RADIOSHACK_22_805,
 176         },
 177         {
 178                 "RadioShack", "22-812", "4800/8n1/rts=0/dtr=1", 4800,
 179                 RS9LCD_PACKET_SIZE, 0, 0, NULL,
 180                 sr_rs9lcd_packet_valid, sr_rs9lcd_parse,
 181                 NULL,
 182                 &radioshack_22_812_driver_info, receive_data_RADIOSHACK_22_812,
 183         },
 184         {
 185                 "Tecpel", "DMM-8061 (UT-D02 cable)", "2400/8n1/rts=0/dtr=1",
 186                 2400, FS9721_PACKET_SIZE, 0, 0, NULL,
 187                 sr_fs9721_packet_valid, sr_fs9721_parse,
 188                 sr_fs9721_00_temp_c,
 189                 &tecpel_dmm_8061_ser_driver_info,
 190                 receive_data_TECPEL_DMM_8061_SER,
 191         },
 192         {
 193                 "Voltcraft", "M-3650CR", "1200/7n2/rts=0/dtr=1", 1200,
 194                 METEX14_PACKET_SIZE, 150, 20, sr_metex14_packet_request,
 195                 sr_metex14_packet_valid, sr_metex14_parse,
 196                 NULL,
 197                 &voltcraft_m3650cr_driver_info, receive_data_VOLTCRAFT_M3650CR,
 198         },
 199         {
 200                 "Voltcraft", "M-3650D", "1200/7n2/rts=0/dtr=1", 1200,
 201                 METEX14_PACKET_SIZE, 0, 0, sr_metex14_packet_request,
 202                 sr_metex14_packet_valid, sr_metex14_parse,
 203                 NULL,
 204                 &voltcraft_m3650d_driver_info, receive_data_VOLTCRAFT_M3650D,
 205         },
 206         {
 207                 "Voltcraft", "M-4650CR", "1200/7n2/rts=0/dtr=1", 1200,
 208                 METEX14_PACKET_SIZE, 0, 0, sr_metex14_packet_request,
 209                 sr_metex14_packet_valid, sr_metex14_parse,
 210                 NULL,
 211                 &voltcraft_m4650cr_driver_info, receive_data_VOLTCRAFT_M4650CR,
 212         },
 213         {
 214                 "Voltcraft", "ME-42", "600/7n2/rts=0/dtr=1", 600,
 215                 METEX14_PACKET_SIZE, 250, 60, sr_metex14_packet_request,
 216                 sr_metex14_packet_valid, sr_metex14_parse,
 217                 NULL,
 218                 &voltcraft_me42_driver_info, receive_data_VOLTCRAFT_ME42,
 219         },
 220         {
 221                 "Voltcraft", "VC-820 (UT-D02 cable)", "2400/8n1/rts=0/dtr=1",
 222                 2400, FS9721_PACKET_SIZE, 0, 0, NULL,
 223                 sr_fs9721_packet_valid, sr_fs9721_parse,
 224                 NULL,
 225                 &voltcraft_vc820_ser_driver_info,
 226                 receive_data_VOLTCRAFT_VC820_SER,
 227         },
 228         {
 229                 /*
 230                  * Note: The VC830 doesn't set the 'volt' and 'diode' bits of
 231                  * the FS9922 protocol. Instead, it only sets the user-defined
 232                  * bit "z1" to indicate "diode mode" and "voltage".
 233                  */
 234                 "Voltcraft", "VC-830 (UT-D02 cable)", "2400/8n1/rts=0/dtr=1",
 235                 2400, FS9922_PACKET_SIZE, 0, 0, NULL,
 236                 sr_fs9922_packet_valid, sr_fs9922_parse,
 237                 &sr_fs9922_z1_diode,
 238                 &voltcraft_vc830_ser_driver_info,
 239                 receive_data_VOLTCRAFT_VC830_SER,
 240         },
 241         {
 242                 "Voltcraft", "VC-840 (UT-D02 cable)", "2400/8n1/rts=0/dtr=1",
 243                 2400, FS9721_PACKET_SIZE, 0, 0, NULL,
 244                 sr_fs9721_packet_valid, sr_fs9721_parse,
 245                 sr_fs9721_00_temp_c,
 246                 &voltcraft_vc840_ser_driver_info,
 247                 receive_data_VOLTCRAFT_VC840_SER,
 248         },
 249         {
 250                 "UNI-T", "UT60A (UT-D02 cable)", "2400/8n1/rts=0/dtr=1",
 251                 2400, FS9721_PACKET_SIZE, 0, 0, NULL,
 252                 sr_fs9721_packet_valid, sr_fs9721_parse,
 253                 NULL,
 254                 &uni_t_ut60a_ser_driver_info,
 255                 receive_data_UNI_T_UT60A_SER,
 256         },
 257         {
 258                 "UNI-T", "UT60E (UT-D02 cable)", "2400/8n1/rts=0/dtr=1",
 259                 2400, FS9721_PACKET_SIZE, 0, 0, NULL,
 260                 sr_fs9721_packet_valid, sr_fs9721_parse,
 261                 sr_fs9721_00_temp_c,
 262                 &uni_t_ut60e_ser_driver_info,
 263                 receive_data_UNI_T_UT60E_SER,
 264         },
 265         {
 266                 /* Note: ES51986 baudrate is actually 19230! */
 267                 "UNI-T", "UT60G (UT-D02 cable)", "19200/7o1/rts=0/dtr=1",
 268                 19200, ES519XX_11B_PACKET_SIZE, 0, 0, NULL,
 269                 sr_es519xx_19200_11b_packet_valid, sr_es519xx_19200_11b_parse,
 270                 NULL,
 271                 &uni_t_ut60g_ser_driver_info, receive_data_UNI_T_UT60G_SER,
 272         },
 273         {
 274                 "UNI-T", "UT61B (UT-D02 cable)", "2400/8n1/rts=0/dtr=1",
 275                 2400, FS9922_PACKET_SIZE, 0, 0, NULL,
 276                 sr_fs9922_packet_valid, sr_fs9922_parse, NULL,
 277                 &uni_t_ut61b_ser_driver_info, receive_data_UNI_T_UT61B_SER,
 278         },
 279         {
 280                 "UNI-T", "UT61C (UT-D02 cable)", "2400/8n1/rts=0/dtr=1",
 281                 2400, FS9922_PACKET_SIZE, 0, 0, NULL,
 282                 sr_fs9922_packet_valid, sr_fs9922_parse, NULL,
 283                 &uni_t_ut61c_ser_driver_info, receive_data_UNI_T_UT61C_SER,
 284         },
 285         {
 286                 "UNI-T", "UT61D (UT-D02 cable)", "2400/8n1/rts=0/dtr=1",
 287                 2400, FS9922_PACKET_SIZE, 0, 0, NULL,
 288                 sr_fs9922_packet_valid, sr_fs9922_parse, NULL,
 289                 &uni_t_ut61d_ser_driver_info, receive_data_UNI_T_UT61D_SER,
 290         },
 291         {
 292                 /* Note: ES51922 baudrate is actually 19230! */
 293                 "UNI-T", "UT61E (UT-D02 cable)", "19200/7o1/rts=0/dtr=1",
 294                 19200, ES519XX_14B_PACKET_SIZE, 0, 0, NULL,
 295                 sr_es519xx_19200_14b_packet_valid, sr_es519xx_19200_14b_parse,
 296                 NULL,
 297                 &uni_t_ut61e_ser_driver_info, receive_data_UNI_T_UT61E_SER,
 298         },
 299         {
 300                 "ISO-TECH", "IDM103N", "2400/7o1/rts=0/dtr=1",
 301                 2400, ES519XX_11B_PACKET_SIZE, 0, 0, NULL,
 302                 sr_es519xx_2400_11b_packet_valid, sr_es519xx_2400_11b_parse,
 303                 NULL,
 304                 &iso_tech_idm103n_driver_info, receive_data_ISO_TECH_IDM103N,
 305         },
 306         {
 307                 "Tenma", "72-7745 (UT-D02 cable)", "2400/8n1/rts=0/dtr=1",
 308                 2400, FS9721_PACKET_SIZE, 0, 0, NULL,
 309                 sr_fs9721_packet_valid, sr_fs9721_parse,
 310                 sr_fs9721_00_temp_c,
 311                 &tenma_72_7745_ser_driver_info, receive_data_TENMA_72_7745_SER,
 312         },
 313         {
 314                 /* Note: ES51986 baudrate is actually 19230! */
 315                 "Tenma", "72-7750 (UT-D02 cable)", "19200/7o1/rts=0/dtr=1",
 316                 19200, ES519XX_11B_PACKET_SIZE, 0, 0, NULL,
 317                 sr_es519xx_19200_11b_packet_valid, sr_es519xx_19200_11b_parse,
 318                 NULL,
 319                 &tenma_72_7750_ser_driver_info, receive_data_TENMA_72_7750_SER,
 320         },
 321 };
 322
 323 static int dev_clear(int dmm)
 324 {
 325         return std_dev_clear(dmms[dmm].di, NULL);
 326 }
 327
 328 static int init(struct sr_context *sr_ctx, int dmm)
 329 {
 330         sr_dbg("Selected '%s' subdriver.", dmms[dmm].di->name);
 331
 332         return std_init(sr_ctx, dmms[dmm].di, LOG_PREFIX);
 333 }
 334
 335 static GSList *sdmm_scan(const char *conn, const char *serialcomm, int dmm)
 336 {
 337         struct sr_dev_inst *sdi;
 338         struct drv_context *drvc;
 339         struct dev_context *devc;
 340         struct sr_channel *ch;
 341         struct sr_serial_dev_inst *serial;
 342         GSList *devices;
 343         int dropped, ret;
 344         size_t len;
 345         uint8_t buf[128];
 346
 347         if (!(serial = sr_serial_dev_inst_new(conn, serialcomm)))
 348                 return NULL;
 349
 350         if (serial_open(serial, SERIAL_RDWR | SERIAL_NONBLOCK) != SR_OK)
 351                 return NULL;
 352
 353         sr_info("Probing serial port %s.", conn);
 354
 355         drvc = dmms[dmm].di->priv;
 356         devices = NULL;
 357         serial_flush(serial);
 358
 359         /* Request a packet if the DMM requires this. */
 360         if (dmms[dmm].packet_request) {
 361                 if ((ret = dmms[dmm].packet_request(serial)) < 0) {
 362                         sr_err("Failed to request packet: %d.", ret);
 363                         return FALSE;
 364                 }
 365         }
 366
 367         /*
 368          * There's no way to get an ID from the multimeter. It just sends data
 369          * periodically (or upon request), so the best we can do is check if
 370          * the packets match the expected format.
 371          */
 372
 373         /* Let's get a bit of data and see if we can find a packet. */
 374         len = sizeof(buf);
 375         ret = serial_stream_detect(serial, buf, &len, dmms[dmm].packet_size,
 376                                    dmms[dmm].packet_valid, 3000,
 377                                    dmms[dmm].baudrate);
 378         if (ret != SR_OK)
 379                 goto scan_cleanup;
 380
 381         /*
 382          * If we dropped more than two packets worth of data, something is
 383          * wrong. We shouldn't quit however, since the dropped bytes might be
 384          * just zeroes at the beginning of the stream. Those can occur as a
 385          * combination of the nonstandard cable that ships with some devices
 386          * and the serial port or USB to serial adapter.
 387          */
 388         dropped = len - dmms[dmm].packet_size;
 389         if (dropped > 2 * dmms[dmm].packet_size)
 390                 sr_warn("Had to drop too much data.");
 391
 392         sr_info("Found device on port %s.", conn);
 393
 394         if (!(sdi = sr_dev_inst_new(0, SR_ST_INACTIVE, dmms[dmm].vendor,
 395                                     dmms[dmm].device, NULL)))
 396                 goto scan_cleanup;
 397
 398         if (!(devc = g_try_malloc0(sizeof(struct dev_context)))) {
 399                 sr_err("Device context malloc failed.");
 400                 goto scan_cleanup;
 401         }
 402
 403         sdi->inst_type = SR_INST_SERIAL;
 404         sdi->conn = serial;
 405
 406         sdi->priv = devc;
 407         sdi->driver = dmms[dmm].di;
 408         if (!(ch = sr_channel_new(0, SR_CHANNEL_ANALOG, TRUE, "P1")))
 409                 goto scan_cleanup;
 410         sdi->channels = g_slist_append(sdi->channels, ch);
 411         drvc->instances = g_slist_append(drvc->instances, sdi);
 412         devices = g_slist_append(devices, sdi);
 413
 414 scan_cleanup:
 415         serial_close(serial);
 416
 417         return devices;
 418 }
 419
 420 static GSList *scan(GSList *options, int dmm)
 421 {
 422         struct sr_config *src;
 423         GSList *l, *devices;
 424         const char *conn, *serialcomm;
 425
 426         conn = serialcomm = NULL;
 427         for (l = options; l; l = l->next) {
 428                 src = l->data;
 429                 switch (src->key) {
 430                 case SR_CONF_CONN:
 431                         conn = g_variant_get_string(src->data, NULL);
 432                         break;
 433                 case SR_CONF_SERIALCOMM:
 434                         serialcomm = g_variant_get_string(src->data, NULL);
 435                         break;
 436                 }
 437         }
 438         if (!conn)
 439                 return NULL;
 440
 441         if (serialcomm) {
 442                 /* Use the provided comm specs. */
 443                 devices = sdmm_scan(conn, serialcomm, dmm);
 444         } else {
 445                 /* Try the default. */
 446                 devices = sdmm_scan(conn, dmms[dmm].conn, dmm);
 447         }
 448
 449         return devices;
 450 }
 451
 452 static GSList *dev_list(int dmm)
 453 {
 454         return ((struct drv_context *)(dmms[dmm].di->priv))->instances;
 455 }
 456
 457 static int cleanup(int dmm)
 458 {
 459         return dev_clear(dmm);
 460 }
 461
 462 static int config_set(int id, GVariant *data, const struct sr_dev_inst *sdi,
 463                 const struct sr_channel_group *cg)
 464 {
 465         struct dev_context *devc;
 466
 467         (void)cg;
 468
 469         if (sdi->status != SR_ST_ACTIVE)
 470                 return SR_ERR_DEV_CLOSED;
 471
 472         if (!(devc = sdi->priv)) {
 473                 sr_err("sdi->priv was NULL.");
 474                 return SR_ERR_BUG;
 475         }
 476
 477         switch (id) {
 478         case SR_CONF_LIMIT_SAMPLES:
 479                 devc->limit_samples = g_variant_get_uint64(data);
 480                 sr_dbg("Setting sample limit to %" PRIu64 ".",
 481                        devc->limit_samples);
 482                 break;
 483         case SR_CONF_LIMIT_MSEC:
 484                 devc->limit_msec = g_variant_get_uint64(data);
 485                 sr_dbg("Setting time limit to %" PRIu64 "ms.",
 486                        devc->limit_msec);
 487                 break;
 488         default:
 489                 return SR_ERR_NA;
 490         }
 491
 492         return SR_OK;
 493 }
 494
 495 static int config_list(int key, GVariant **data, const struct sr_dev_inst *sdi,
 496                 const struct sr_channel_group *cg)
 497 {
 498         (void)sdi;
 499         (void)cg;
 500
 501         switch (key) {
 502         case SR_CONF_SCAN_OPTIONS:
 503                 *data = g_variant_new_fixed_array(G_VARIANT_TYPE_INT32,
 504                                 hwopts, ARRAY_SIZE(hwopts), sizeof(int32_t));
 505                 break;
 506         case SR_CONF_DEVICE_OPTIONS:
 507                 *data = g_variant_new_fixed_array(G_VARIANT_TYPE_INT32,
 508                                 hwcaps, ARRAY_SIZE(hwcaps), sizeof(int32_t));
 509                 break;
 510         default:
 511                 return SR_ERR_NA;
 512         }
 513
 514         return SR_OK;
 515 }
 516
 517 static int dev_acquisition_start(const struct sr_dev_inst *sdi,
 518                                     void *cb_data, int dmm)
 519 {
 520         struct dev_context *devc;
 521         struct sr_serial_dev_inst *serial;
 522
 523         if (sdi->status != SR_ST_ACTIVE)
 524                 return SR_ERR_DEV_CLOSED;
 525
 526         if (!(devc = sdi->priv)) {
 527                 sr_err("sdi->priv was NULL.");
 528                 return SR_ERR_BUG;
 529         }
 530
 531         devc->cb_data = cb_data;
 532
 533         /*
 534          * Reset the number of samples to take. If we've already collected our
 535          * quota, but we start a new session, and don't reset this, we'll just
 536          * quit without acquiring any new samples.
 537          */
 538         devc->num_samples = 0;
 539         devc->starttime = g_get_monotonic_time();
 540
 541         /* Send header packet to the session bus. */
 542         std_session_send_df_header(cb_data, LOG_PREFIX);
 543
 544         /* Poll every 50ms, or whenever some data comes in. */
 545         serial = sdi->conn;
 546         serial_source_add(sdi->session, serial, G_IO_IN, 50,
 547                       dmms[dmm].receive_data, (void *)sdi);
 548
 549         return SR_OK;
 550 }
 551
 552 static int dev_acquisition_stop(struct sr_dev_inst *sdi, void *cb_data)
 553 {
 554         return std_serial_dev_acquisition_stop(sdi, cb_data, std_serial_dev_close,
 555                         sdi->conn, LOG_PREFIX);
 556 }
 557
 558 /* Driver-specific API function wrappers */
 559 #define HW_INIT(X) \
 560 static int init_##X(struct sr_context *sr_ctx) { return init(sr_ctx, X); }
 561 #define HW_CLEANUP(X) \
 562 static int cleanup_##X(void) { return cleanup(X); }
 563 #define HW_SCAN(X) \
 564 static GSList *scan_##X(GSList *options) { return scan(options, X); }
 565 #define HW_DEV_LIST(X) \
 566 static GSList *dev_list_##X(void) { return dev_list(X); }
 567 #define HW_DEV_CLEAR(X) \
 568 static int dev_clear_##X(void) { return dev_clear(X); }
 569 #define HW_DEV_ACQUISITION_START(X) \
 570 static int dev_acquisition_start_##X(const struct sr_dev_inst *sdi, \
 571 void *cb_data) { return dev_acquisition_start(sdi, cb_data, X); }
 572
 573 /* Driver structs and API function wrappers */
 574 #define DRV(ID, ID_UPPER, NAME, LONGNAME) \
 575 HW_INIT(ID_UPPER) \
 576 HW_CLEANUP(ID_UPPER) \
 577 HW_SCAN(ID_UPPER) \
 578 HW_DEV_LIST(ID_UPPER) \
 579 HW_DEV_CLEAR(ID_UPPER) \
 580 HW_DEV_ACQUISITION_START(ID_UPPER) \
 581 SR_PRIV struct sr_dev_driver ID##_driver_info = { \
 582         .name = NAME, \
 583         .longname = LONGNAME, \
 584         .api_version = 1, \
 585         .init = init_##ID_UPPER, \
 586         .cleanup = cleanup_##ID_UPPER, \
 587         .scan = scan_##ID_UPPER, \
 588         .dev_list = dev_list_##ID_UPPER, \
 589         .dev_clear = dev_clear_##ID_UPPER, \
 590         .config_get = NULL, \
 591         .config_set = config_set, \
 592         .config_list = config_list, \
 593         .dev_open = std_serial_dev_open, \
 594         .dev_close = std_serial_dev_close, \
 595         .dev_acquisition_start = dev_acquisition_start_##ID_UPPER, \
 596         .dev_acquisition_stop = dev_acquisition_stop, \
 597         .priv = NULL, \
 598 };
 599
 600 DRV(bbcgm_m2110, BBCGM_M2110, "bbcgm-m2110", "BBC Goertz Metrawatt M2110")
 601 DRV(digitek_dt4000zc, DIGITEK_DT4000ZC, "digitek-dt4000zc", "Digitek DT4000ZC")
 602 DRV(tekpower_tp4000zc, TEKPOWER_TP4000ZC, "tekpower-tp4000zc", "TekPower TP4000ZC")
 603 DRV(metex_me31, METEX_ME31, "metex-me31", "Metex ME-31")
 604 DRV(peaktech_3410, PEAKTECH_3410, "peaktech-3410", "PeakTech 3410")
 605 DRV(mastech_mas345, MASTECH_MAS345, "mastech-mas345", "MASTECH MAS345")
 606 DRV(va_va18b, VA_VA18B, "va-va18b", "V&A VA18B")
 607 DRV(va_va40b, VA_VA40B, "va-va40b", "V&A VA40B")
 608 DRV(metex_m3640d, METEX_M3640D, "metex-m3640d", "Metex M-3640D")
 609 DRV(metex_m4650cr, METEX_M4650CR, "metex-m4650cr", "Metex M-4650CR")
 610 DRV(peaktech_4370, PEAKTECH_4370, "peaktech-4370", "PeakTech 4370")
 611 DRV(pce_pce_dm32, PCE_PCE_DM32, "pce-pce-dm32", "PCE PCE-DM32")
 612 DRV(radioshack_22_168, RADIOSHACK_22_168, "radioshack-22-168", "RadioShack 22-168")
 613 DRV(radioshack_22_805, RADIOSHACK_22_805, "radioshack-22-805", "RadioShack 22-805")
 614 DRV(radioshack_22_812, RADIOSHACK_22_812, "radioshack-22-812", "RadioShack 22-812")
 615 DRV(tecpel_dmm_8061_ser, TECPEL_DMM_8061_SER, "tecpel-dmm-8061-ser", "Tecpel DMM-8061 (UT-D02 cable)")
 616 DRV(voltcraft_m3650cr, VOLTCRAFT_M3650CR, "voltcraft-m3650cr", "Voltcraft M-3650CR")
 617 DRV(voltcraft_m3650d, VOLTCRAFT_M3650D, "voltcraft-m3650d", "Voltcraft M-3650D")
 618 DRV(voltcraft_m4650cr, VOLTCRAFT_M4650CR, "voltcraft-m4650cr", "Voltcraft M-4650CR")
 619 DRV(voltcraft_me42, VOLTCRAFT_ME42, "voltcraft-me42", "Voltcraft ME-42")
 620 DRV(voltcraft_vc820_ser, VOLTCRAFT_VC820_SER, "voltcraft-vc820-ser", "Voltcraft VC-820 (UT-D02 cable)")
 621 DRV(voltcraft_vc830_ser, VOLTCRAFT_VC830_SER, "voltcraft-vc830-ser", "Voltcraft VC-830 (UT-D02 cable)")
 622 DRV(voltcraft_vc840_ser, VOLTCRAFT_VC840_SER, "voltcraft-vc840-ser", "Voltcraft VC-840 (UT-D02 cable)")
 623 DRV(uni_t_ut60a_ser, UNI_T_UT60A_SER, "uni-t-ut60a-ser", "UNI-T UT60A (UT-D02 cable)")
 624 DRV(uni_t_ut60e_ser, UNI_T_UT60E_SER, "uni-t-ut60e-ser", "UNI-T UT60E (UT-D02 cable)")
 625 DRV(uni_t_ut60g_ser, UNI_T_UT60G_SER, "uni-t-ut60g-ser", "UNI-T UT60G (UT-D02 cable)")
 626 DRV(uni_t_ut61b_ser, UNI_T_UT61B_SER, "uni-t-ut61b-ser", "UNI-T UT61B (UT-D02 cable)")
 627 DRV(uni_t_ut61c_ser, UNI_T_UT61C_SER, "uni-t-ut61c-ser", "UNI-T UT61C (UT-D02 cable)")
 628 DRV(uni_t_ut61d_ser, UNI_T_UT61D_SER, "uni-t-ut61d-ser", "UNI-T UT61D (UT-D02 cable)")
 629 DRV(uni_t_ut61e_ser, UNI_T_UT61E_SER, "uni-t-ut61e-ser", "UNI-T UT61E (UT-D02 cable)")
 630 DRV(iso_tech_idm103n, ISO_TECH_IDM103N, "iso-tech-idm103n", "ISO-TECH IDM103N")
 631 DRV(tenma_72_7745_ser, TENMA_72_7745_SER, "tenma-72-7745-ser", "Tenma 72-7745 (UT-D02 cable)")
 632 DRV(tenma_72_7750_ser, TENMA_72_7750_SER, "tenma-72-7750-ser", "Tenma 72-7750 (UT-D02 cable)")