| | 1 | /* |
| | 2 | * This file is part of the libsigrok project. |
| | 3 | * |
| | 4 | * Copyright (C) 2014 Bert Vermeulen <bert@biot.com> |
| | 5 | * Copyright (C) 2017,2019 Frank Stettner <frank-stettner@gmx.net> |
| | 6 | * |
| | 7 | * This program is free software: you can redistribute it and/or modify |
| | 8 | * it under the terms of the GNU General Public License as published by |
| | 9 | * the Free Software Foundation, either version 3 of the License, or |
| | 10 | * (at your option) any later version. |
| | 11 | * |
| | 12 | * This program is distributed in the hope that it will be useful, |
| | 13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| | 14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| | 15 | * GNU General Public License for more details. |
| | 16 | * |
| | 17 | * You should have received a copy of the GNU General Public License |
| | 18 | * along with this program. If not, see <http://www.gnu.org/licenses/>. |
| | 19 | */ |
| | 20 | |
| | 21 | #include <config.h> |
| | 22 | #include <string.h> |
| | 23 | #include <strings.h> |
| | 24 | #include "scpi.h" |
| | 25 | #include "protocol.h" |
| | 26 | |
| | 27 | static struct sr_dev_driver scpi_pps_driver_info; |
| | 28 | static struct sr_dev_driver hp_ib_pps_driver_info; |
| | 29 | |
| | 30 | static const uint32_t scanopts[] = { |
| | 31 | SR_CONF_CONN, |
| | 32 | SR_CONF_SERIALCOMM, |
| | 33 | }; |
| | 34 | |
| | 35 | static const uint32_t drvopts[] = { |
| | 36 | SR_CONF_POWER_SUPPLY, |
| | 37 | }; |
| | 38 | |
| | 39 | static const struct pps_channel_instance pci[] = { |
| | 40 | { SR_MQ_VOLTAGE, SCPI_CMD_GET_MEAS_VOLTAGE, "V" }, |
| | 41 | { SR_MQ_CURRENT, SCPI_CMD_GET_MEAS_CURRENT, "I" }, |
| | 42 | { SR_MQ_POWER, SCPI_CMD_GET_MEAS_POWER, "P" }, |
| | 43 | { SR_MQ_FREQUENCY, SCPI_CMD_GET_MEAS_FREQUENCY, "F" }, |
| | 44 | }; |
| | 45 | |
| | 46 | static struct sr_dev_inst *probe_device(struct sr_scpi_dev_inst *scpi, |
| | 47 | int (*get_hw_id)(struct sr_scpi_dev_inst *scpi, |
| | 48 | struct sr_scpi_hw_info **scpi_response)) |
| | 49 | { |
| | 50 | struct dev_context *devc; |
| | 51 | struct sr_dev_inst *sdi; |
| | 52 | struct sr_scpi_hw_info *hw_info; |
| | 53 | struct sr_channel_group *cg; |
| | 54 | struct sr_channel *ch; |
| | 55 | const struct scpi_pps *device; |
| | 56 | struct pps_channel *pch; |
| | 57 | struct channel_spec *channels; |
| | 58 | struct channel_group_spec *channel_groups, *cgs; |
| | 59 | struct pps_channel_group *pcg; |
| | 60 | GRegex *model_re; |
| | 61 | GMatchInfo *model_mi; |
| | 62 | GSList *l; |
| | 63 | uint64_t mask; |
| | 64 | unsigned int num_channels, num_channel_groups, ch_num, ch_idx, i, j; |
| | 65 | int ret; |
| | 66 | const char *vendor; |
| | 67 | char ch_name[16]; |
| | 68 | |
| | 69 | if (get_hw_id(scpi, &hw_info) != SR_OK) { |
| | 70 | sr_info("Couldn't get IDN response."); |
| | 71 | return NULL; |
| | 72 | } |
| | 73 | |
| | 74 | device = NULL; |
| | 75 | for (i = 0; i < num_pps_profiles; i++) { |
| | 76 | vendor = sr_vendor_alias(hw_info->manufacturer); |
| | 77 | if (g_ascii_strcasecmp(vendor, pps_profiles[i].vendor)) |
| | 78 | continue; |
| | 79 | model_re = g_regex_new(pps_profiles[i].model, 0, 0, NULL); |
| | 80 | if (g_regex_match(model_re, hw_info->model, 0, &model_mi)) |
| | 81 | device = &pps_profiles[i]; |
| | 82 | g_match_info_unref(model_mi); |
| | 83 | g_regex_unref(model_re); |
| | 84 | if (device) |
| | 85 | break; |
| | 86 | } |
| | 87 | if (!device) { |
| | 88 | sr_scpi_hw_info_free(hw_info); |
| | 89 | return NULL; |
| | 90 | } |
| | 91 | |
| | 92 | sdi = g_malloc0(sizeof(struct sr_dev_inst)); |
| | 93 | sdi->vendor = g_strdup(vendor); |
| | 94 | sdi->model = g_strdup(hw_info->model); |
| | 95 | sdi->version = g_strdup(hw_info->firmware_version); |
| | 96 | sdi->conn = scpi; |
| | 97 | sdi->driver = &scpi_pps_driver_info; |
| | 98 | sdi->inst_type = SR_INST_SCPI; |
| | 99 | sdi->serial_num = g_strdup(hw_info->serial_number); |
| | 100 | |
| | 101 | devc = g_malloc0(sizeof(struct dev_context)); |
| | 102 | devc->device = device; |
| | 103 | sr_sw_limits_init(&devc->limits); |
| | 104 | sdi->priv = devc; |
| | 105 | |
| | 106 | if (device->num_channels) { |
| | 107 | /* Static channels and groups. */ |
| | 108 | channels = (struct channel_spec *)device->channels; |
| | 109 | num_channels = device->num_channels; |
| | 110 | channel_groups = (struct channel_group_spec *)device->channel_groups; |
| | 111 | num_channel_groups = device->num_channel_groups; |
| | 112 | } else { |
| | 113 | /* Channels and groups need to be probed. */ |
| | 114 | ret = device->probe_channels(sdi, hw_info, &channels, &num_channels, |
| | 115 | &channel_groups, &num_channel_groups); |
| | 116 | if (ret != SR_OK) { |
| | 117 | sr_err("Failed to probe for channels."); |
| | 118 | return NULL; |
| | 119 | } |
| | 120 | /* |
| | 121 | * Since these were dynamically allocated, we'll need to free them |
| | 122 | * later. |
| | 123 | */ |
| | 124 | devc->channels = channels; |
| | 125 | devc->channel_groups = channel_groups; |
| | 126 | } |
| | 127 | |
| | 128 | ch_idx = 0; |
| | 129 | for (ch_num = 0; ch_num < num_channels; ch_num++) { |
| | 130 | /* Create one channel per measurable output unit. */ |
| | 131 | for (i = 0; i < ARRAY_SIZE(pci); i++) { |
| | 132 | if (!sr_scpi_cmd_get(devc->device->commands, pci[i].command)) |
| | 133 | continue; |
| | 134 | g_snprintf(ch_name, 16, "%s%s", pci[i].prefix, |
| | 135 | channels[ch_num].name); |
| | 136 | ch = sr_channel_new(sdi, ch_idx++, SR_CHANNEL_ANALOG, TRUE, |
| | 137 | ch_name); |
| | 138 | pch = g_malloc0(sizeof(struct pps_channel)); |
| | 139 | pch->hw_output_idx = ch_num; |
| | 140 | pch->hwname = channels[ch_num].name; |
| | 141 | pch->mq = pci[i].mq; |
| | 142 | ch->priv = pch; |
| | 143 | } |
| | 144 | } |
| | 145 | |
| | 146 | for (i = 0; i < num_channel_groups; i++) { |
| | 147 | cgs = &channel_groups[i]; |
| | 148 | cg = sr_channel_group_new(sdi, cgs->name, NULL); |
| | 149 | for (j = 0, mask = 1; j < 64; j++, mask <<= 1) { |
| | 150 | if (cgs->channel_index_mask & mask) { |
| | 151 | for (l = sdi->channels; l; l = l->next) { |
| | 152 | ch = l->data; |
| | 153 | pch = ch->priv; |
| | 154 | /* Add mqflags from channel_group_spec only to voltage |
| | 155 | * and current channels. |
| | 156 | */ |
| | 157 | if (pch->mq == SR_MQ_VOLTAGE || pch->mq == SR_MQ_CURRENT) |
| | 158 | pch->mqflags = cgs->mqflags; |
| | 159 | else |
| | 160 | pch->mqflags = 0; |
| | 161 | if (pch->hw_output_idx == j) |
| | 162 | cg->channels = g_slist_append(cg->channels, ch); |
| | 163 | } |
| | 164 | } |
| | 165 | } |
| | 166 | pcg = g_malloc0(sizeof(struct pps_channel_group)); |
| | 167 | pcg->features = cgs->features; |
| | 168 | cg->priv = pcg; |
| | 169 | } |
| | 170 | |
| | 171 | sr_scpi_hw_info_free(hw_info); |
| | 172 | hw_info = NULL; |
| | 173 | |
| | 174 | /* Don't send SCPI_CMD_LOCAL for HP 66xxB using SCPI over GPIB. */ |
| | 175 | if (!(devc->device->dialect == SCPI_DIALECT_HP_66XXB && |
| | 176 | scpi->transport == SCPI_TRANSPORT_LIBGPIB)) |
| | 177 | sr_scpi_cmd(sdi, devc->device->commands, 0, NULL, SCPI_CMD_LOCAL); |
| | 178 | |
| | 179 | return sdi; |
| | 180 | } |
| | 181 | |
| | 182 | static gchar *hpib_get_revision(struct sr_scpi_dev_inst *scpi) |
| | 183 | { |
| | 184 | int ret; |
| | 185 | gboolean matches; |
| | 186 | char *response; |
| | 187 | GRegex *version_regex; |
| | 188 | |
| | 189 | ret = sr_scpi_get_string(scpi, "ROM?", &response); |
| | 190 | if (ret != SR_OK && !response) |
| | 191 | return NULL; |
| | 192 | |
| | 193 | /* Example version string: "B01 B01" */ |
| | 194 | version_regex = g_regex_new("[A-Z][0-9]{2} [A-Z][0-9]{2}", 0, 0, NULL); |
| | 195 | matches = g_regex_match(version_regex, response, 0, NULL); |
| | 196 | g_regex_unref(version_regex); |
| | 197 | |
| | 198 | if (!matches) { |
| | 199 | /* Not a valid version string. Ignore it. */ |
| | 200 | g_free(response); |
| | 201 | response = NULL; |
| | 202 | } else { |
| | 203 | /* Replace space with dot. */ |
| | 204 | response[3] = '.'; |
| | 205 | } |
| | 206 | |
| | 207 | return response; |
| | 208 | } |
| | 209 | |
| | 210 | /* |
| | 211 | * This function assumes the response is in the form "HP<model_number>" |
| | 212 | * |
| | 213 | * HP made many GPIB (then called HP-IB) instruments before the SCPI command |
| | 214 | * set was introduced into the standard. We haven't seen any non-HP instruments |
| | 215 | * which respond to the "ID?" query, so assume all are HP for now. |
| | 216 | */ |
| | 217 | static int hpib_get_hw_id(struct sr_scpi_dev_inst *scpi, |
| | 218 | struct sr_scpi_hw_info **scpi_response) |
| | 219 | { |
| | 220 | int ret; |
| | 221 | char *response; |
| | 222 | struct sr_scpi_hw_info *hw_info; |
| | 223 | |
| | 224 | ret = sr_scpi_get_string(scpi, "ID?", &response); |
| | 225 | if ((ret != SR_OK) || !response) |
| | 226 | return SR_ERR; |
| | 227 | |
| | 228 | hw_info = g_malloc0(sizeof(struct sr_scpi_hw_info)); |
| | 229 | |
| | 230 | *scpi_response = hw_info; |
| | 231 | hw_info->model = response; |
| | 232 | hw_info->firmware_version = hpib_get_revision(scpi); |
| | 233 | hw_info->manufacturer = g_strdup("HP"); |
| | 234 | |
| | 235 | return SR_OK; |
| | 236 | } |
| | 237 | |
| | 238 | static struct sr_dev_inst *probe_scpi_pps_device(struct sr_scpi_dev_inst *scpi) |
| | 239 | { |
| | 240 | return probe_device(scpi, sr_scpi_get_hw_id); |
| | 241 | } |
| | 242 | |
| | 243 | static struct sr_dev_inst *probe_hpib_pps_device(struct sr_scpi_dev_inst *scpi) |
| | 244 | { |
| | 245 | return probe_device(scpi, hpib_get_hw_id); |
| | 246 | } |
| | 247 | |
| | 248 | static GSList *scan_scpi_pps(struct sr_dev_driver *di, GSList *options) |
| | 249 | { |
| | 250 | return sr_scpi_scan(di->context, options, probe_scpi_pps_device); |
| | 251 | } |
| | 252 | |
| | 253 | static GSList *scan_hpib_pps(struct sr_dev_driver *di, GSList *options) |
| | 254 | { |
| | 255 | const char *conn; |
| | 256 | |
| | 257 | /* |
| | 258 | * Only scan for HP-IB devices when conn= was specified, to not |
| | 259 | * break SCPI devices' operation. |
| | 260 | */ |
| | 261 | conn = NULL; |
| | 262 | (void)sr_serial_extract_options(options, &conn, NULL); |
| | 263 | if (!conn) |
| | 264 | return NULL; |
| | 265 | |
| | 266 | return sr_scpi_scan(di->context, options, probe_hpib_pps_device); |
| | 267 | } |
| | 268 | |
| | 269 | static int dev_open(struct sr_dev_inst *sdi) |
| | 270 | { |
| | 271 | struct dev_context *devc; |
| | 272 | struct sr_scpi_dev_inst *scpi; |
| | 273 | GVariant *beeper; |
| | 274 | |
| | 275 | scpi = sdi->conn; |
| | 276 | if (sr_scpi_open(scpi) < 0) |
| | 277 | return SR_ERR; |
| | 278 | |
| | 279 | devc = sdi->priv; |
| | 280 | |
| | 281 | /* Don't send SCPI_CMD_REMOTE for HP 66xxB using SCPI over GPIB. */ |
| | 282 | if (!(devc->device->dialect == SCPI_DIALECT_HP_66XXB && |
| | 283 | scpi->transport == SCPI_TRANSPORT_LIBGPIB)) |
| | 284 | sr_scpi_cmd(sdi, devc->device->commands, 0, NULL, SCPI_CMD_REMOTE); |
| | 285 | |
| | 286 | devc->beeper_was_set = FALSE; |
| | 287 | if (sr_scpi_cmd_resp(sdi, devc->device->commands, 0, NULL, |
| | 288 | &beeper, G_VARIANT_TYPE_BOOLEAN, SCPI_CMD_BEEPER) == SR_OK) { |
| | 289 | if (g_variant_get_boolean(beeper)) { |
| | 290 | devc->beeper_was_set = TRUE; |
| | 291 | sr_scpi_cmd(sdi, devc->device->commands, |
| | 292 | 0, NULL, SCPI_CMD_BEEPER_DISABLE); |
| | 293 | } |
| | 294 | g_variant_unref(beeper); |
| | 295 | } |
| | 296 | |
| | 297 | return SR_OK; |
| | 298 | } |
| | 299 | |
| | 300 | static int dev_close(struct sr_dev_inst *sdi) |
| | 301 | { |
| | 302 | struct sr_scpi_dev_inst *scpi; |
| | 303 | struct dev_context *devc; |
| | 304 | |
| | 305 | devc = sdi->priv; |
| | 306 | scpi = sdi->conn; |
| | 307 | |
| | 308 | if (!scpi) |
| | 309 | return SR_ERR_BUG; |
| | 310 | |
| | 311 | if (devc->beeper_was_set) |
| | 312 | sr_scpi_cmd(sdi, devc->device->commands, |
| | 313 | 0, NULL, SCPI_CMD_BEEPER_ENABLE); |
| | 314 | |
| | 315 | /* Don't send SCPI_CMD_LOCAL for HP 66xxB using SCPI over GPIB. */ |
| | 316 | if (!(devc->device->dialect == SCPI_DIALECT_HP_66XXB && |
| | 317 | scpi->transport == SCPI_TRANSPORT_LIBGPIB)) |
| | 318 | sr_scpi_cmd(sdi, devc->device->commands, 0, NULL, SCPI_CMD_LOCAL); |
| | 319 | |
| | 320 | return sr_scpi_close(scpi); |
| | 321 | } |
| | 322 | |
| | 323 | static void clear_helper(struct dev_context *devc) |
| | 324 | { |
| | 325 | g_free(devc->channels); |
| | 326 | g_free(devc->channel_groups); |
| | 327 | } |
| | 328 | |
| | 329 | static int dev_clear(const struct sr_dev_driver *di) |
| | 330 | { |
| | 331 | return std_dev_clear_with_callback(di, (std_dev_clear_callback)clear_helper); |
| | 332 | } |
| | 333 | |
| | 334 | static int config_get(uint32_t key, GVariant **data, |
| | 335 | const struct sr_dev_inst *sdi, const struct sr_channel_group *cg) |
| | 336 | { |
| | 337 | struct dev_context *devc; |
| | 338 | const GVariantType *gvtype; |
| | 339 | unsigned int i; |
| | 340 | int channel_group_cmd; |
| | 341 | char *channel_group_name; |
| | 342 | int cmd, ret; |
| | 343 | const char *s; |
| | 344 | int reg; |
| | 345 | gboolean is_hmp_sqii; |
| | 346 | |
| | 347 | if (!sdi) |
| | 348 | return SR_ERR_ARG; |
| | 349 | |
| | 350 | devc = sdi->priv; |
| | 351 | |
| | 352 | if (cg) { |
| | 353 | /* |
| | 354 | * These options only apply to channel groups with a single |
| | 355 | * channel -- they're per-channel settings for the device. |
| | 356 | */ |
| | 357 | |
| | 358 | /* |
| | 359 | * Config keys are handled below depending on whether a channel |
| | 360 | * group was provided by the frontend. However some of these |
| | 361 | * take a CG on one PPS but not on others. Check the device's |
| | 362 | * profile for that here, and NULL out the channel group as needed. |
| | 363 | */ |
| | 364 | for (i = 0; i < devc->device->num_devopts; i++) { |
| | 365 | if (devc->device->devopts[i] == key) { |
| | 366 | cg = NULL; |
| | 367 | break; |
| | 368 | } |
| | 369 | } |
| | 370 | } |
| | 371 | |
| | 372 | gvtype = NULL; |
| | 373 | cmd = -1; |
| | 374 | switch (key) { |
| | 375 | case SR_CONF_ENABLED: |
| | 376 | gvtype = G_VARIANT_TYPE_BOOLEAN; |
| | 377 | cmd = SCPI_CMD_GET_OUTPUT_ENABLED; |
| | 378 | break; |
| | 379 | case SR_CONF_VOLTAGE: |
| | 380 | gvtype = G_VARIANT_TYPE_DOUBLE; |
| | 381 | cmd = SCPI_CMD_GET_MEAS_VOLTAGE; |
| | 382 | break; |
| | 383 | case SR_CONF_VOLTAGE_TARGET: |
| | 384 | gvtype = G_VARIANT_TYPE_DOUBLE; |
| | 385 | cmd = SCPI_CMD_GET_VOLTAGE_TARGET; |
| | 386 | break; |
| | 387 | case SR_CONF_OUTPUT_FREQUENCY: |
| | 388 | gvtype = G_VARIANT_TYPE_DOUBLE; |
| | 389 | cmd = SCPI_CMD_GET_MEAS_FREQUENCY; |
| | 390 | break; |
| | 391 | case SR_CONF_OUTPUT_FREQUENCY_TARGET: |
| | 392 | gvtype = G_VARIANT_TYPE_DOUBLE; |
| | 393 | cmd = SCPI_CMD_GET_FREQUENCY_TARGET; |
| | 394 | break; |
| | 395 | case SR_CONF_CURRENT: |
| | 396 | gvtype = G_VARIANT_TYPE_DOUBLE; |
| | 397 | cmd = SCPI_CMD_GET_MEAS_CURRENT; |
| | 398 | break; |
| | 399 | case SR_CONF_CURRENT_LIMIT: |
| | 400 | gvtype = G_VARIANT_TYPE_DOUBLE; |
| | 401 | cmd = SCPI_CMD_GET_CURRENT_LIMIT; |
| | 402 | break; |
| | 403 | case SR_CONF_OVER_VOLTAGE_PROTECTION_ENABLED: |
| | 404 | if (devc->device->dialect == SCPI_DIALECT_HMP) { |
| | 405 | /* OVP is always enabled. */ |
| | 406 | *data = g_variant_new_boolean(TRUE); |
| | 407 | return 0; |
| | 408 | } |
| | 409 | gvtype = G_VARIANT_TYPE_BOOLEAN; |
| | 410 | cmd = SCPI_CMD_GET_OVER_VOLTAGE_PROTECTION_ENABLED; |
| | 411 | break; |
| | 412 | case SR_CONF_OVER_VOLTAGE_PROTECTION_ACTIVE: |
| | 413 | if (devc->device->dialect == SCPI_DIALECT_HP_66XXB || |
| | 414 | devc->device->dialect == SCPI_DIALECT_HP_COMP) |
| | 415 | gvtype = G_VARIANT_TYPE_STRING; |
| | 416 | else |
| | 417 | gvtype = G_VARIANT_TYPE_BOOLEAN; |
| | 418 | cmd = SCPI_CMD_GET_OVER_VOLTAGE_PROTECTION_ACTIVE; |
| | 419 | break; |
| | 420 | case SR_CONF_OVER_VOLTAGE_PROTECTION_THRESHOLD: |
| | 421 | gvtype = G_VARIANT_TYPE_DOUBLE; |
| | 422 | cmd = SCPI_CMD_GET_OVER_VOLTAGE_PROTECTION_THRESHOLD; |
| | 423 | break; |
| | 424 | case SR_CONF_OVER_CURRENT_PROTECTION_ENABLED: |
| | 425 | gvtype = G_VARIANT_TYPE_BOOLEAN; |
| | 426 | cmd = SCPI_CMD_GET_OVER_CURRENT_PROTECTION_ENABLED; |
| | 427 | break; |
| | 428 | case SR_CONF_OVER_CURRENT_PROTECTION_ACTIVE: |
| | 429 | if (devc->device->dialect == SCPI_DIALECT_HP_66XXB || |
| | 430 | devc->device->dialect == SCPI_DIALECT_HP_COMP) |
| | 431 | gvtype = G_VARIANT_TYPE_STRING; |
| | 432 | else |
| | 433 | gvtype = G_VARIANT_TYPE_BOOLEAN; |
| | 434 | cmd = SCPI_CMD_GET_OVER_CURRENT_PROTECTION_ACTIVE; |
| | 435 | break; |
| | 436 | case SR_CONF_OVER_CURRENT_PROTECTION_THRESHOLD: |
| | 437 | gvtype = G_VARIANT_TYPE_DOUBLE; |
| | 438 | cmd = SCPI_CMD_GET_OVER_CURRENT_PROTECTION_THRESHOLD; |
| | 439 | break; |
| | 440 | case SR_CONF_OVER_TEMPERATURE_PROTECTION: |
| | 441 | if (devc->device->dialect == SCPI_DIALECT_HMP) { |
| | 442 | /* OTP is always enabled. */ |
| | 443 | *data = g_variant_new_boolean(TRUE); |
| | 444 | return 0; |
| | 445 | } |
| | 446 | gvtype = G_VARIANT_TYPE_BOOLEAN; |
| | 447 | cmd = SCPI_CMD_GET_OVER_TEMPERATURE_PROTECTION; |
| | 448 | break; |
| | 449 | case SR_CONF_OVER_TEMPERATURE_PROTECTION_ACTIVE: |
| | 450 | if (devc->device->dialect == SCPI_DIALECT_HP_66XXB || |
| | 451 | devc->device->dialect == SCPI_DIALECT_HP_COMP || |
| | 452 | devc->device->dialect == SCPI_DIALECT_HMP) |
| | 453 | gvtype = G_VARIANT_TYPE_STRING; |
| | 454 | else |
| | 455 | gvtype = G_VARIANT_TYPE_BOOLEAN; |
| | 456 | cmd = SCPI_CMD_GET_OVER_TEMPERATURE_PROTECTION_ACTIVE; |
| | 457 | break; |
| | 458 | case SR_CONF_REGULATION: |
| | 459 | gvtype = G_VARIANT_TYPE_STRING; |
| | 460 | cmd = SCPI_CMD_GET_OUTPUT_REGULATION; |
| | 461 | break; |
| | 462 | default: |
| | 463 | return sr_sw_limits_config_get(&devc->limits, key, data); |
| | 464 | } |
| | 465 | if (!gvtype) |
| | 466 | return SR_ERR_NA; |
| | 467 | |
| | 468 | channel_group_cmd = 0; |
| | 469 | channel_group_name = NULL; |
| | 470 | if (cg) { |
| | 471 | channel_group_cmd = SCPI_CMD_SELECT_CHANNEL; |
| | 472 | channel_group_name = g_strdup(cg->name); |
| | 473 | } |
| | 474 | |
| | 475 | is_hmp_sqii = FALSE; |
| | 476 | is_hmp_sqii |= cmd == SCPI_CMD_GET_OUTPUT_REGULATION; |
| | 477 | is_hmp_sqii |= cmd == SCPI_CMD_GET_OVER_TEMPERATURE_PROTECTION_ACTIVE; |
| | 478 | is_hmp_sqii &= devc->device->dialect == SCPI_DIALECT_HMP; |
| | 479 | if (is_hmp_sqii) { |
| | 480 | if (!cg) { |
| | 481 | /* STAT:QUES:INST:ISUMx query requires channel spec. */ |
| | 482 | sr_err("Need a channel group for regulation or OTP-active query."); |
| | 483 | return SR_ERR_NA; |
| | 484 | } |
| | 485 | ret = sr_scpi_cmd_resp(sdi, devc->device->commands, |
| | 486 | 0, NULL, data, gvtype, cmd, channel_group_name); |
| | 487 | } else { |
| | 488 | ret = sr_scpi_cmd_resp(sdi, devc->device->commands, |
| | 489 | channel_group_cmd, channel_group_name, data, gvtype, cmd); |
| | 490 | } |
| | 491 | g_free(channel_group_name); |
| | 492 | |
| | 493 | /* |
| | 494 | * Handle special cases |
| | 495 | */ |
| | 496 | |
| | 497 | if (cmd == SCPI_CMD_GET_OUTPUT_REGULATION) { |
| | 498 | if (devc->device->dialect == SCPI_DIALECT_PHILIPS) { |
| | 499 | /* |
| | 500 | * The Philips PM2800 series returns VOLT/CURR. We always return |
| | 501 | * a GVariant string in the Rigol notation (CV/CC/UR). |
| | 502 | */ |
| | 503 | s = g_variant_get_string(*data, NULL); |
| | 504 | if (!g_strcmp0(s, "VOLT")) { |
| | 505 | g_variant_unref(*data); |
| | 506 | *data = g_variant_new_string("CV"); |
| | 507 | } else if (!g_strcmp0(s, "CURR")) { |
| | 508 | g_variant_unref(*data); |
| | 509 | *data = g_variant_new_string("CC"); |
| | 510 | } |
| | 511 | } |
| | 512 | if (devc->device->dialect == SCPI_DIALECT_HP_COMP) { |
| | 513 | /* Evaluate Status Register from a HP 66xx in COMP mode. */ |
| | 514 | s = g_variant_get_string(*data, NULL); |
| | 515 | sr_atoi(s, ®); |
| | 516 | g_variant_unref(*data); |
| | 517 | if (reg & (1 << 0)) |
| | 518 | *data = g_variant_new_string("CV"); |
| | 519 | else if (reg & (1 << 1)) |
| | 520 | *data = g_variant_new_string("CC"); |
| | 521 | else if (reg & (1 << 2)) |
| | 522 | *data = g_variant_new_string("UR"); |
| | 523 | else if (reg & (1 << 9)) |
| | 524 | *data = g_variant_new_string("CC-"); |
| | 525 | else |
| | 526 | *data = g_variant_new_string(""); |
| | 527 | } |
| | 528 | if (devc->device->dialect == SCPI_DIALECT_HP_66XXB) { |
| | 529 | /* Evaluate Operational Status Register from a HP 66xxB. */ |
| | 530 | s = g_variant_get_string(*data, NULL); |
| | 531 | sr_atoi(s, ®); |
| | 532 | g_variant_unref(*data); |
| | 533 | if (reg & (1 << 8)) |
| | 534 | *data = g_variant_new_string("CV"); |
| | 535 | else if (reg & (1 << 10)) |
| | 536 | *data = g_variant_new_string("CC"); |
| | 537 | else if (reg & (1 << 11)) |
| | 538 | *data = g_variant_new_string("CC-"); |
| | 539 | else |
| | 540 | *data = g_variant_new_string("UR"); |
| | 541 | } |
| | 542 | if (devc->device->dialect == SCPI_DIALECT_HMP) { |
| | 543 | /* Evaluate Condition Status Register from a HMP series device. */ |
| | 544 | s = g_variant_get_string(*data, NULL); |
| | 545 | sr_atoi(s, ®); |
| | 546 | g_variant_unref(*data); |
| | 547 | if (reg & (1 << 0)) |
| | 548 | *data = g_variant_new_string("CC"); |
| | 549 | else if (reg & (1 << 1)) |
| | 550 | *data = g_variant_new_string("CV"); |
| | 551 | else |
| | 552 | *data = g_variant_new_string("UR"); |
| | 553 | } |
| | 554 | |
| | 555 | s = g_variant_get_string(*data, NULL); |
| | 556 | if (g_strcmp0(s, "CV") && g_strcmp0(s, "CC") && g_strcmp0(s, "CC-") && |
| | 557 | g_strcmp0(s, "UR") && g_strcmp0(s, "")) { |
| | 558 | |
| | 559 | sr_err("Unknown response to SCPI_CMD_GET_OUTPUT_REGULATION: %s", s); |
| | 560 | ret = SR_ERR_DATA; |
| | 561 | } |
| | 562 | } |
| | 563 | |
| | 564 | if (cmd == SCPI_CMD_GET_OVER_VOLTAGE_PROTECTION_ACTIVE) { |
| | 565 | if (devc->device->dialect == SCPI_DIALECT_HP_COMP) { |
| | 566 | /* Evaluate Status Register from a HP 66xx in COMP mode. */ |
| | 567 | s = g_variant_get_string(*data, NULL); |
| | 568 | sr_atoi(s, ®); |
| | 569 | g_variant_unref(*data); |
| | 570 | *data = g_variant_new_boolean(reg & (1 << 3)); |
| | 571 | } |
| | 572 | if (devc->device->dialect == SCPI_DIALECT_HP_66XXB) { |
| | 573 | /* Evaluate Questionable Status Register bit 0 from a HP 66xxB. */ |
| | 574 | s = g_variant_get_string(*data, NULL); |
| | 575 | sr_atoi(s, ®); |
| | 576 | g_variant_unref(*data); |
| | 577 | *data = g_variant_new_boolean(reg & (1 << 0)); |
| | 578 | } |
| | 579 | } |
| | 580 | |
| | 581 | if (cmd == SCPI_CMD_GET_OVER_CURRENT_PROTECTION_ACTIVE) { |
| | 582 | if (devc->device->dialect == SCPI_DIALECT_HP_COMP) { |
| | 583 | /* Evaluate Status Register from a HP 66xx in COMP mode. */ |
| | 584 | s = g_variant_get_string(*data, NULL); |
| | 585 | sr_atoi(s, ®); |
| | 586 | g_variant_unref(*data); |
| | 587 | *data = g_variant_new_boolean(reg & (1 << 6)); |
| | 588 | } |
| | 589 | if (devc->device->dialect == SCPI_DIALECT_HP_66XXB) { |
| | 590 | /* Evaluate Questionable Status Register bit 1 from a HP 66xxB. */ |
| | 591 | s = g_variant_get_string(*data, NULL); |
| | 592 | sr_atoi(s, ®); |
| | 593 | g_variant_unref(*data); |
| | 594 | *data = g_variant_new_boolean(reg & (1 << 1)); |
| | 595 | } |
| | 596 | } |
| | 597 | |
| | 598 | if (cmd == SCPI_CMD_GET_OVER_TEMPERATURE_PROTECTION_ACTIVE) { |
| | 599 | if (devc->device->dialect == SCPI_DIALECT_HP_COMP) { |
| | 600 | /* Evaluate Status Register from a HP 66xx in COMP mode. */ |
| | 601 | s = g_variant_get_string(*data, NULL); |
| | 602 | sr_atoi(s, ®); |
| | 603 | g_variant_unref(*data); |
| | 604 | *data = g_variant_new_boolean(reg & (1 << 4)); |
| | 605 | } |
| | 606 | if (devc->device->dialect == SCPI_DIALECT_HP_66XXB || |
| | 607 | devc->device->dialect == SCPI_DIALECT_HMP) { |
| | 608 | /* Evaluate Questionable Status Register bit 4 from a HP 66xxB. */ |
| | 609 | s = g_variant_get_string(*data, NULL); |
| | 610 | sr_atoi(s, ®); |
| | 611 | g_variant_unref(*data); |
| | 612 | *data = g_variant_new_boolean(reg & (1 << 4)); |
| | 613 | } |
| | 614 | } |
| | 615 | |
| | 616 | return ret; |
| | 617 | } |
| | 618 | |
| | 619 | static int config_set(uint32_t key, GVariant *data, |
| | 620 | const struct sr_dev_inst *sdi, const struct sr_channel_group *cg) |
| | 621 | { |
| | 622 | struct dev_context *devc; |
| | 623 | double d; |
| | 624 | int channel_group_cmd; |
| | 625 | char *channel_group_name; |
| | 626 | int ret; |
| | 627 | |
| | 628 | if (!sdi) |
| | 629 | return SR_ERR_ARG; |
| | 630 | |
| | 631 | channel_group_cmd = 0; |
| | 632 | channel_group_name = NULL; |
| | 633 | if (cg) { |
| | 634 | channel_group_cmd = SCPI_CMD_SELECT_CHANNEL; |
| | 635 | channel_group_name = g_strdup(cg->name); |
| | 636 | } |
| | 637 | |
| | 638 | devc = sdi->priv; |
| | 639 | |
| | 640 | switch (key) { |
| | 641 | case SR_CONF_ENABLED: |
| | 642 | if (g_variant_get_boolean(data)) |
| | 643 | ret = sr_scpi_cmd(sdi, devc->device->commands, |
| | 644 | channel_group_cmd, channel_group_name, |
| | 645 | SCPI_CMD_SET_OUTPUT_ENABLE); |
| | 646 | else |
| | 647 | ret = sr_scpi_cmd(sdi, devc->device->commands, |
| | 648 | channel_group_cmd, channel_group_name, |
| | 649 | SCPI_CMD_SET_OUTPUT_DISABLE); |
| | 650 | break; |
| | 651 | case SR_CONF_VOLTAGE_TARGET: |
| | 652 | d = g_variant_get_double(data); |
| | 653 | ret = sr_scpi_cmd(sdi, devc->device->commands, |
| | 654 | channel_group_cmd, channel_group_name, |
| | 655 | SCPI_CMD_SET_VOLTAGE_TARGET, d); |
| | 656 | break; |
| | 657 | case SR_CONF_OUTPUT_FREQUENCY_TARGET: |
| | 658 | d = g_variant_get_double(data); |
| | 659 | ret = sr_scpi_cmd(sdi, devc->device->commands, |
| | 660 | channel_group_cmd, channel_group_name, |
| | 661 | SCPI_CMD_SET_FREQUENCY_TARGET, d); |
| | 662 | break; |
| | 663 | case SR_CONF_CURRENT_LIMIT: |
| | 664 | d = g_variant_get_double(data); |
| | 665 | ret = sr_scpi_cmd(sdi, devc->device->commands, |
| | 666 | channel_group_cmd, channel_group_name, |
| | 667 | SCPI_CMD_SET_CURRENT_LIMIT, d); |
| | 668 | break; |
| | 669 | case SR_CONF_OVER_VOLTAGE_PROTECTION_ENABLED: |
| | 670 | if (g_variant_get_boolean(data)) |
| | 671 | ret = sr_scpi_cmd(sdi, devc->device->commands, |
| | 672 | channel_group_cmd, channel_group_name, |
| | 673 | SCPI_CMD_SET_OVER_VOLTAGE_PROTECTION_ENABLE); |
| | 674 | else |
| | 675 | ret = sr_scpi_cmd(sdi, devc->device->commands, |
| | 676 | channel_group_cmd, channel_group_name, |
| | 677 | SCPI_CMD_SET_OVER_VOLTAGE_PROTECTION_DISABLE); |
| | 678 | break; |
| | 679 | case SR_CONF_OVER_VOLTAGE_PROTECTION_THRESHOLD: |
| | 680 | d = g_variant_get_double(data); |
| | 681 | ret = sr_scpi_cmd(sdi, devc->device->commands, |
| | 682 | channel_group_cmd, channel_group_name, |
| | 683 | SCPI_CMD_SET_OVER_VOLTAGE_PROTECTION_THRESHOLD, d); |
| | 684 | break; |
| | 685 | case SR_CONF_OVER_CURRENT_PROTECTION_ENABLED: |
| | 686 | if (g_variant_get_boolean(data)) |
| | 687 | ret = sr_scpi_cmd(sdi, devc->device->commands, |
| | 688 | channel_group_cmd, channel_group_name, |
| | 689 | SCPI_CMD_SET_OVER_CURRENT_PROTECTION_ENABLE); |
| | 690 | else |
| | 691 | ret = sr_scpi_cmd(sdi, devc->device->commands, |
| | 692 | channel_group_cmd, channel_group_name, |
| | 693 | SCPI_CMD_SET_OVER_CURRENT_PROTECTION_DISABLE); |
| | 694 | break; |
| | 695 | case SR_CONF_OVER_CURRENT_PROTECTION_THRESHOLD: |
| | 696 | d = g_variant_get_double(data); |
| | 697 | ret = sr_scpi_cmd(sdi, devc->device->commands, |
| | 698 | channel_group_cmd, channel_group_name, |
| | 699 | SCPI_CMD_SET_OVER_CURRENT_PROTECTION_THRESHOLD, d); |
| | 700 | break; |
| | 701 | case SR_CONF_OVER_TEMPERATURE_PROTECTION: |
| | 702 | if (g_variant_get_boolean(data)) |
| | 703 | ret = sr_scpi_cmd(sdi, devc->device->commands, |
| | 704 | channel_group_cmd, channel_group_name, |
| | 705 | SCPI_CMD_SET_OVER_TEMPERATURE_PROTECTION_ENABLE); |
| | 706 | else |
| | 707 | ret = sr_scpi_cmd(sdi, devc->device->commands, |
| | 708 | channel_group_cmd, channel_group_name, |
| | 709 | SCPI_CMD_SET_OVER_TEMPERATURE_PROTECTION_DISABLE); |
| | 710 | break; |
| | 711 | default: |
| | 712 | ret = sr_sw_limits_config_set(&devc->limits, key, data); |
| | 713 | } |
| | 714 | |
| | 715 | g_free(channel_group_name); |
| | 716 | |
| | 717 | return ret; |
| | 718 | } |
| | 719 | |
| | 720 | static int config_list(uint32_t key, GVariant **data, |
| | 721 | const struct sr_dev_inst *sdi, const struct sr_channel_group *cg) |
| | 722 | { |
| | 723 | struct dev_context *devc; |
| | 724 | struct sr_channel *ch; |
| | 725 | struct pps_channel *pch; |
| | 726 | const struct channel_spec *ch_spec; |
| | 727 | int i; |
| | 728 | const char *s[16]; |
| | 729 | |
| | 730 | devc = (sdi) ? sdi->priv : NULL; |
| | 731 | |
| | 732 | if (!cg) { |
| | 733 | switch (key) { |
| | 734 | case SR_CONF_SCAN_OPTIONS: |
| | 735 | case SR_CONF_DEVICE_OPTIONS: |
| | 736 | return std_opts_config_list(key, data, sdi, cg, |
| | 737 | ARRAY_AND_SIZE(scanopts), |
| | 738 | ARRAY_AND_SIZE(drvopts), |
| | 739 | (devc && devc->device) ? devc->device->devopts : NULL, |
| | 740 | (devc && devc->device) ? devc->device->num_devopts : 0); |
| | 741 | break; |
| | 742 | case SR_CONF_CHANNEL_CONFIG: |
| | 743 | if (!devc || !devc->device) |
| | 744 | return SR_ERR_ARG; |
| | 745 | /* Not used. */ |
| | 746 | i = 0; |
| | 747 | if (devc->device->features & PPS_INDEPENDENT) |
| | 748 | s[i++] = "Independent"; |
| | 749 | if (devc->device->features & PPS_SERIES) |
| | 750 | s[i++] = "Series"; |
| | 751 | if (devc->device->features & PPS_PARALLEL) |
| | 752 | s[i++] = "Parallel"; |
| | 753 | if (i == 0) { |
| | 754 | /* |
| | 755 | * Shouldn't happen: independent-only devices |
| | 756 | * shouldn't advertise this option at all. |
| | 757 | */ |
| | 758 | return SR_ERR_NA; |
| | 759 | } |
| | 760 | *data = g_variant_new_strv(s, i); |
| | 761 | break; |
| | 762 | default: |
| | 763 | return SR_ERR_NA; |
| | 764 | } |
| | 765 | } else { |
| | 766 | /* |
| | 767 | * Per-channel-group options depending on a channel are actually |
| | 768 | * done with the first channel. Channel groups in PPS can have |
| | 769 | * more than one channel, but they will typically be of equal |
| | 770 | * specification for use in series or parallel mode. |
| | 771 | */ |
| | 772 | ch = cg->channels->data; |
| | 773 | pch = ch->priv; |
| | 774 | if (!devc || !devc->device) |
| | 775 | return SR_ERR_ARG; |
| | 776 | ch_spec = &(devc->device->channels[pch->hw_output_idx]); |
| | 777 | |
| | 778 | switch (key) { |
| | 779 | case SR_CONF_DEVICE_OPTIONS: |
| | 780 | *data = std_gvar_array_u32(devc->device->devopts_cg, devc->device->num_devopts_cg); |
| | 781 | break; |
| | 782 | case SR_CONF_VOLTAGE_TARGET: |
| | 783 | *data = std_gvar_min_max_step_array(ch_spec->voltage); |
| | 784 | break; |
| | 785 | case SR_CONF_OUTPUT_FREQUENCY_TARGET: |
| | 786 | *data = std_gvar_min_max_step_array(ch_spec->frequency); |
| | 787 | break; |
| | 788 | case SR_CONF_CURRENT_LIMIT: |
| | 789 | *data = std_gvar_min_max_step_array(ch_spec->current); |
| | 790 | break; |
| | 791 | case SR_CONF_OVER_VOLTAGE_PROTECTION_THRESHOLD: |
| | 792 | *data = std_gvar_min_max_step_array(ch_spec->ovp); |
| | 793 | break; |
| | 794 | case SR_CONF_OVER_CURRENT_PROTECTION_THRESHOLD: |
| | 795 | *data = std_gvar_min_max_step_array(ch_spec->ocp); |
| | 796 | break; |
| | 797 | default: |
| | 798 | return SR_ERR_NA; |
| | 799 | } |
| | 800 | } |
| | 801 | |
| | 802 | return SR_OK; |
| | 803 | } |
| | 804 | |
| | 805 | static int dev_acquisition_start(const struct sr_dev_inst *sdi) |
| | 806 | { |
| | 807 | struct dev_context *devc; |
| | 808 | struct sr_scpi_dev_inst *scpi; |
| | 809 | int ret; |
| | 810 | |
| | 811 | devc = sdi->priv; |
| | 812 | scpi = sdi->conn; |
| | 813 | |
| | 814 | /* Prime the pipe with the first channel. */ |
| | 815 | devc->cur_acquisition_channel = sr_next_enabled_channel(sdi, NULL); |
| | 816 | |
| | 817 | /* Device specific initialization before acquisition starts. */ |
| | 818 | if (devc->device->init_acquisition) |
| | 819 | devc->device->init_acquisition(sdi); |
| | 820 | |
| | 821 | if ((ret = sr_scpi_source_add(sdi->session, scpi, G_IO_IN, 10, |
| | 822 | scpi_pps_receive_data, (void *)sdi)) != SR_OK) |
| | 823 | return ret; |
| | 824 | std_session_send_df_header(sdi); |
| | 825 | sr_sw_limits_acquisition_start(&devc->limits); |
| | 826 | |
| | 827 | return SR_OK; |
| | 828 | } |
| | 829 | |
| | 830 | static int dev_acquisition_stop(struct sr_dev_inst *sdi) |
| | 831 | { |
| | 832 | struct sr_scpi_dev_inst *scpi; |
| | 833 | |
| | 834 | scpi = sdi->conn; |
| | 835 | |
| | 836 | sr_scpi_source_remove(sdi->session, scpi); |
| | 837 | |
| | 838 | std_session_send_df_end(sdi); |
| | 839 | |
| | 840 | return SR_OK; |
| | 841 | } |
| | 842 | |
| | 843 | static struct sr_dev_driver scpi_pps_driver_info = { |
| | 844 | .name = "scpi-pps", |
| | 845 | .longname = "SCPI PPS", |
| | 846 | .api_version = 1, |
| | 847 | .init = std_init, |
| | 848 | .cleanup = std_cleanup, |
| | 849 | .scan = scan_scpi_pps, |
| | 850 | .dev_list = std_dev_list, |
| | 851 | .dev_clear = dev_clear, |
| | 852 | .config_get = config_get, |
| | 853 | .config_set = config_set, |
| | 854 | .config_list = config_list, |
| | 855 | .dev_open = dev_open, |
| | 856 | .dev_close = dev_close, |
| | 857 | .dev_acquisition_start = dev_acquisition_start, |
| | 858 | .dev_acquisition_stop = dev_acquisition_stop, |
| | 859 | .context = NULL, |
| | 860 | }; |
| | 861 | |
| | 862 | static struct sr_dev_driver hp_ib_pps_driver_info = { |
| | 863 | .name = "hpib-pps", |
| | 864 | .longname = "HP-IB PPS", |
| | 865 | .api_version = 1, |
| | 866 | .init = std_init, |
| | 867 | .cleanup = std_cleanup, |
| | 868 | .scan = scan_hpib_pps, |
| | 869 | .dev_list = std_dev_list, |
| | 870 | .dev_clear = dev_clear, |
| | 871 | .config_get = config_get, |
| | 872 | .config_set = config_set, |
| | 873 | .config_list = config_list, |
| | 874 | .dev_open = dev_open, |
| | 875 | .dev_close = dev_close, |
| | 876 | .dev_acquisition_start = dev_acquisition_start, |
| | 877 | .dev_acquisition_stop = dev_acquisition_stop, |
| | 878 | .context = NULL, |
| | 879 | }; |
| | 880 | SR_REGISTER_DEV_DRIVER(scpi_pps_driver_info); |
| | 881 | SR_REGISTER_DEV_DRIVER(hp_ib_pps_driver_info); |
projects / libsigrok.git / blame_incremental