X-Git-Url: https://sigrok.org/gitweb/?a=blobdiff_plain;f=src%2Fhardware%2Fscpi-pps%2Fapi.c;h=25bc7eed773424bd2f6ce2ef64e14530906bb54a;hb=e57057aee778e723da572a6b5e2bd01526cc7beb;hp=9ca71d3d01872f4d5103ac512e44cc3908273511;hpb=01b0257aefc10874012e9bc066802a2c3a308801;p=libsigrok.git diff --git a/src/hardware/scpi-pps/api.c b/src/hardware/scpi-pps/api.c index 9ca71d3d..25bc7eed 100644 --- a/src/hardware/scpi-pps/api.c +++ b/src/hardware/scpi-pps/api.c @@ -17,26 +17,31 @@ * along with this program. If not, see . */ +#include #include +#include +#include "scpi.h" #include "protocol.h" SR_PRIV struct sr_dev_driver scpi_pps_driver_info; -static struct sr_dev_driver *di = &scpi_pps_driver_info; -extern unsigned int num_pps_profiles; -extern const struct scpi_pps pps_profiles[]; -static const int32_t scanopts[] = { +static const uint32_t scanopts[] = { SR_CONF_CONN, SR_CONF_SERIALCOMM, }; -static struct pps_channel_instance pci[] = { +static const uint32_t drvopts[] = { + SR_CONF_POWER_SUPPLY, +}; + +static const struct pps_channel_instance pci[] = { { SR_MQ_VOLTAGE, SCPI_CMD_GET_MEAS_VOLTAGE, "V" }, { SR_MQ_CURRENT, SCPI_CMD_GET_MEAS_CURRENT, "I" }, { SR_MQ_POWER, SCPI_CMD_GET_MEAS_POWER, "P" }, + { SR_MQ_FREQUENCY, SCPI_CMD_GET_MEAS_FREQUENCY, "F" }, }; -static int init(struct sr_context *sr_ctx) +static int init(struct sr_dev_driver *di, struct sr_context *sr_ctx) { return std_init(sr_ctx, di, LOG_PREFIX); } @@ -50,13 +55,15 @@ static struct sr_dev_inst *probe_device(struct sr_scpi_dev_inst *scpi) struct sr_channel *ch; const struct scpi_pps *device; struct pps_channel *pch; - const struct channel_group_spec *cgs; + struct channel_spec *channels; + struct channel_group_spec *channel_groups, *cgs; struct pps_channel_group *pcg; GRegex *model_re; GMatchInfo *model_mi; GSList *l; uint64_t mask; - unsigned int ch_num, ch_idx, old_idx, i, j; + unsigned int num_channels, num_channel_groups, ch_num, ch_idx, i, j; + int ret; const char *vendor; char ch_name[16]; @@ -67,8 +74,8 @@ static struct sr_dev_inst *probe_device(struct sr_scpi_dev_inst *scpi) device = NULL; for (i = 0; i < num_pps_profiles; i++) { - vendor = get_vendor(hw_info->manufacturer); - if (strcasecmp(vendor, pps_profiles[i].vendor)) + vendor = sr_vendor_alias(hw_info->manufacturer); + if (g_ascii_strcasecmp(vendor, pps_profiles[i].vendor)) continue; model_re = g_regex_new(pps_profiles[i].model, 0, 0, NULL); if (g_regex_match(model_re, hw_info->model, 0, &model_mi)) @@ -83,44 +90,62 @@ static struct sr_dev_inst *probe_device(struct sr_scpi_dev_inst *scpi) return NULL; } - sdi = sr_dev_inst_new(0, SR_ST_ACTIVE, vendor, hw_info->model, - hw_info->firmware_version); + sdi = g_malloc0(sizeof(struct sr_dev_inst)); + sdi->status = SR_ST_INACTIVE; + sdi->vendor = g_strdup(vendor); + sdi->model = g_strdup(hw_info->model); + sdi->version = g_strdup(hw_info->firmware_version); sdi->conn = scpi; - sdi->driver = di; + sdi->driver = &scpi_pps_driver_info; sdi->inst_type = SR_INST_SCPI; + sdi->serial_num = g_strdup(hw_info->serial_number); + devc = g_malloc0(sizeof(struct dev_context)); devc->device = device; sdi->priv = devc; + if (device->num_channels) { + /* Static channels and groups. */ + channels = (struct channel_spec *)device->channels; + num_channels = device->num_channels; + channel_groups = (struct channel_group_spec *)device->channel_groups; + num_channel_groups = device->num_channel_groups; + } else { + /* Channels and groups need to be probed. */ + ret = device->probe_channels(sdi, hw_info, &channels, &num_channels, + &channel_groups, &num_channel_groups); + if (ret != SR_OK) { + sr_err("Failed to probe for channels."); + return NULL; + } + /* + * Since these were dynamically allocated, we'll need to free them + * later. + */ + devc->channels = channels; + devc->channel_groups = channel_groups; + } + ch_idx = 0; - for (ch_num = 0; ch_num < device->num_channels; ch_num++) { + for (ch_num = 0; ch_num < num_channels; ch_num++) { /* Create one channel per measurable output unit. */ - old_idx = ch_idx; for (i = 0; i < ARRAY_SIZE(pci); i++) { - if (!scpi_cmd_get(sdi, pci[i].command)) + if (!scpi_cmd_get(devc->device->commands, pci[i].command)) continue; g_snprintf(ch_name, 16, "%s%s", pci[i].prefix, - device->channels[ch_num].name); - ch = sr_channel_new(ch_idx++, SR_CHANNEL_ANALOG, TRUE, ch_name); + channels[ch_num].name); + ch = sr_channel_new(sdi, ch_idx++, SR_CHANNEL_ANALOG, TRUE, + ch_name); pch = g_malloc0(sizeof(struct pps_channel)); pch->hw_output_idx = ch_num; - pch->hwname = device->channels[ch_num].name; + pch->hwname = channels[ch_num].name; pch->mq = pci[i].mq; ch->priv = pch; - sdi->channels = g_slist_append(sdi->channels, ch); - } - if (ch_idx == old_idx) { - /* - * Didn't create any channels for this hardware output. - * This can happen if the device has no measurement capability. - */ - g_free(pch); - continue; } } - for (i = 0; i < device->num_channel_groups; i++) { - cgs = &device->channel_groups[i]; + for (i = 0; i < num_channel_groups; i++) { + cgs = &channel_groups[i]; cg = g_malloc0(sizeof(struct sr_channel_group)); cg->name = g_strdup(cgs->name); for (j = 0, mask = 1; j < 64; j++, mask <<= 1) { @@ -139,33 +164,37 @@ static struct sr_dev_inst *probe_device(struct sr_scpi_dev_inst *scpi) sdi->channel_groups = g_slist_append(sdi->channel_groups, cg); } - /* SCPI devices commonly lock the panel keys when accessed remotely. */ - scpi_cmd(sdi, SCPI_CMD_KEY_UNLOCK); + sr_scpi_hw_info_free(hw_info); + hw_info = NULL; + + scpi_cmd(sdi, devc->device->commands, SCPI_CMD_LOCAL); sr_scpi_close(scpi); return sdi; } -static GSList *scan(GSList *options) +static GSList *scan(struct sr_dev_driver *di, GSList *options) { - return sr_scpi_scan(di->priv, options, probe_device); + return sr_scpi_scan(di->context, options, probe_device); } -static GSList *dev_list(void) +static GSList *dev_list(const struct sr_dev_driver *di) { - return ((struct drv_context *)(di->priv))->instances; + return ((struct drv_context *)(di->context))->instances; } -static int dev_clear(void) +static int dev_clear(const struct sr_dev_driver *di) { return std_dev_clear(di, NULL); } static int dev_open(struct sr_dev_inst *sdi) { + struct dev_context *devc; struct sr_scpi_dev_inst *scpi; + GVariant *beeper; - if (sdi->status != SR_ST_ACTIVE) + if (sdi->status != SR_ST_INACTIVE) return SR_ERR; scpi = sdi->conn; @@ -174,19 +203,36 @@ static int dev_open(struct sr_dev_inst *sdi) sdi->status = SR_ST_ACTIVE; + devc = sdi->priv; + scpi_cmd(sdi, devc->device->commands, SCPI_CMD_REMOTE); + devc = sdi->priv; + devc->beeper_was_set = FALSE; + if (scpi_cmd_resp(sdi, devc->device->commands, &beeper, + G_VARIANT_TYPE_BOOLEAN, SCPI_CMD_BEEPER) == SR_OK) { + if (g_variant_get_boolean(beeper)) { + devc->beeper_was_set = TRUE; + scpi_cmd(sdi, devc->device->commands, SCPI_CMD_BEEPER_DISABLE); + } + g_variant_unref(beeper); + } + return SR_OK; } static int dev_close(struct sr_dev_inst *sdi) { struct sr_scpi_dev_inst *scpi; + struct dev_context *devc; if (sdi->status != SR_ST_ACTIVE) return SR_ERR_DEV_CLOSED; + devc = sdi->priv; scpi = sdi->conn; if (scpi) { - scpi_cmd(sdi, SCPI_CMD_KEY_UNLOCK); + if (devc->beeper_was_set) + scpi_cmd(sdi, devc->device->commands, SCPI_CMD_BEEPER_ENABLE); + scpi_cmd(sdi, devc->device->commands, SCPI_CMD_LOCAL); sr_scpi_close(scpi); sdi->status = SR_ST_INACTIVE; } @@ -194,28 +240,34 @@ static int dev_close(struct sr_dev_inst *sdi) return SR_OK; } -static int cleanup(void) +static void clear_helper(void *priv) { - return SR_OK; + struct dev_context *devc; + + devc = priv; + g_free(devc->channels); + g_free(devc->channel_groups); + g_free(devc); } -static int config_get(int key, GVariant **data, const struct sr_dev_inst *sdi, +static int cleanup(const struct sr_dev_driver *di) +{ + return std_dev_clear(di, clear_helper); +} + +static int config_get(uint32_t key, GVariant **data, const struct sr_dev_inst *sdi, const struct sr_channel_group *cg) { struct dev_context *devc; - struct sr_scpi_dev_inst *scpi; - struct sr_channel *ch; - struct pps_channel *pch; const GVariantType *gvtype; unsigned int i; int cmd, ret; - char *s; + const char *s; if (!sdi) return SR_ERR_ARG; devc = sdi->priv; - scpi = sdi->conn; if (cg) { /* @@ -235,33 +287,38 @@ static int config_get(int key, GVariant **data, const struct sr_dev_inst *sdi, break; } } - - ch = cg->channels->data; - pch = ch->priv; } gvtype = NULL; cmd = -1; switch (key) { - case SR_CONF_OUTPUT_ENABLED: + case SR_CONF_ENABLED: gvtype = G_VARIANT_TYPE_BOOLEAN; cmd = SCPI_CMD_GET_OUTPUT_ENABLED; break; - case SR_CONF_OUTPUT_VOLTAGE: + case SR_CONF_VOLTAGE: gvtype = G_VARIANT_TYPE_DOUBLE; cmd = SCPI_CMD_GET_MEAS_VOLTAGE; break; - case SR_CONF_OUTPUT_VOLTAGE_MAX: + case SR_CONF_VOLTAGE_TARGET: + gvtype = G_VARIANT_TYPE_DOUBLE; + cmd = SCPI_CMD_GET_VOLTAGE_TARGET; + break; + case SR_CONF_OUTPUT_FREQUENCY: gvtype = G_VARIANT_TYPE_DOUBLE; - cmd = SCPI_CMD_GET_VOLTAGE_MAX; + cmd = SCPI_CMD_GET_MEAS_FREQUENCY; break; - case SR_CONF_OUTPUT_CURRENT: + case SR_CONF_OUTPUT_FREQUENCY_TARGET: + gvtype = G_VARIANT_TYPE_DOUBLE; + cmd = SCPI_CMD_GET_FREQUENCY_TARGET; + break; + case SR_CONF_CURRENT: gvtype = G_VARIANT_TYPE_DOUBLE; cmd = SCPI_CMD_GET_MEAS_CURRENT; break; - case SR_CONF_OUTPUT_CURRENT_MAX: + case SR_CONF_CURRENT_LIMIT: gvtype = G_VARIANT_TYPE_DOUBLE; - cmd = SCPI_CMD_GET_CURRENT_MAX; + cmd = SCPI_CMD_GET_CURRENT_LIMIT; break; case SR_CONF_OVER_VOLTAGE_PROTECTION_ENABLED: gvtype = G_VARIANT_TYPE_BOOLEAN; @@ -291,127 +348,132 @@ static int config_get(int key, GVariant **data, const struct sr_dev_inst *sdi, gvtype = G_VARIANT_TYPE_BOOLEAN; cmd = SCPI_CMD_GET_OVER_TEMPERATURE_PROTECTION; break; + case SR_CONF_REGULATION: + gvtype = G_VARIANT_TYPE_STRING; + cmd = SCPI_CMD_GET_OUTPUT_REGULATION; } - if (gvtype) { - if (cg) - ret = scpi_cmd_resp(sdi, data, gvtype, cmd, pch->hwname); - else - ret = scpi_cmd_resp(sdi, data, gvtype, cmd); - } else if (cg) { - switch (key) { - case SR_CONF_OUTPUT_REGULATION: - ret = SR_ERR; - if (scpi_cmd(sdi, SCPI_CMD_GET_OUTPUT_REGULATION, pch->hwname) == SR_OK) { - if (sr_scpi_get_string(scpi, NULL, &s) == SR_OK) { - if (strcmp(s, "CC") && strcmp(s, "CV") && strcmp(s, "UR")) { - sr_dbg("Unknown response to SCPI_CMD_GET_OUTPUT_REGULATION: %s", s); - } else { - *data = g_variant_new_string(s); - g_free(s); - ret = SR_OK; - } - } - } - break; - default: - ret = SR_ERR_NA; + if (!gvtype) + return SR_ERR_NA; + + if (cg) + select_channel(sdi, cg->channels->data); + ret = scpi_cmd_resp(sdi, devc->device->commands, data, gvtype, cmd); + + if (cmd == SCPI_CMD_GET_OUTPUT_REGULATION) { + /* + * The Rigol DP800 series return CV/CC/UR, Philips PM2800 + * return VOLT/CURR. We always return a GVariant string in + * the Rigol notation. + */ + s = g_variant_get_string(*data, NULL); + if (!strcmp(s, "VOLT")) { + g_variant_unref(*data); + *data = g_variant_new_string("CV"); + } else if (!strcmp(s, "CURR")) { + g_variant_unref(*data); + *data = g_variant_new_string("CC"); } - } else - ret = SR_ERR_NA; + + s = g_variant_get_string(*data, NULL); + if (strcmp(s, "CV") && strcmp(s, "CC") && strcmp(s, "UR")) { + sr_dbg("Unknown response to SCPI_CMD_GET_OUTPUT_REGULATION: %s", s); + ret = SR_ERR_DATA; + } + } return ret; } -static int config_set(int key, GVariant *data, const struct sr_dev_inst *sdi, +static int config_set(uint32_t key, GVariant *data, const struct sr_dev_inst *sdi, const struct sr_channel_group *cg) { - struct sr_channel *ch; - struct pps_channel *pch; + struct dev_context *devc; double d; int ret; - const char *s; + + if (!sdi) + return SR_ERR_ARG; if (sdi->status != SR_ST_ACTIVE) return SR_ERR_DEV_CLOSED; - ret = SR_OK; - if (!cg) { - switch (key) { - /* No channel group: global options. */ - case SR_CONF_OUTPUT_ENABLED: - s = g_variant_get_boolean(data) ? "ON" : "OFF"; - ret = scpi_cmd(sdi, SCPI_CMD_SET_OUTPUT_ENABLED, s); - break; - case SR_CONF_OUTPUT_VOLTAGE_MAX: - d = g_variant_get_double(data); - ret = scpi_cmd(sdi, SCPI_CMD_SET_VOLTAGE_MAX, d); - break; - case SR_CONF_OUTPUT_CURRENT_MAX: - d = g_variant_get_double(data); - ret = scpi_cmd(sdi, SCPI_CMD_SET_CURRENT_MAX, d); - break; - case SR_CONF_OVER_TEMPERATURE_PROTECTION: - s = g_variant_get_boolean(data) ? "ON" : "OFF"; - ret = scpi_cmd(sdi, SCPI_CMD_SET_OVER_TEMPERATURE_PROTECTION, s); - break; - default: - ret = SR_ERR_NA; - } - } else { + if (cg) /* Channel group specified. */ - if (!sdi) - return SR_ERR_ARG; - if (g_slist_length(cg->channels) > 1) - return SR_ERR_NA; - ch = cg->channels->data; - pch = ch->priv; - switch (key) { - case SR_CONF_OUTPUT_ENABLED: - s = g_variant_get_boolean(data) ? "ON" : "OFF"; - ret = scpi_cmd(sdi, SCPI_CMD_SET_OUTPUT_ENABLED, pch->hwname, s); - break; - case SR_CONF_OUTPUT_VOLTAGE_MAX: - d = g_variant_get_double(data); - ret = scpi_cmd(sdi, SCPI_CMD_SET_VOLTAGE_MAX, pch->hwname, d); - break; - case SR_CONF_OUTPUT_CURRENT_MAX: - d = g_variant_get_double(data); - ret = scpi_cmd(sdi, SCPI_CMD_SET_CURRENT_MAX, pch->hwname, d); - break; - case SR_CONF_OVER_VOLTAGE_PROTECTION_ENABLED: - s = g_variant_get_boolean(data) ? "ON" : "OFF"; - ret = scpi_cmd(sdi, SCPI_CMD_SET_OVER_VOLTAGE_PROTECTION_ENABLED, - pch->hwname, s); - break; - case SR_CONF_OVER_VOLTAGE_PROTECTION_THRESHOLD: - d = g_variant_get_double(data); - ret = scpi_cmd(sdi, SCPI_CMD_SET_OVER_VOLTAGE_PROTECTION_THRESHOLD, - pch->hwname, d); - break; - case SR_CONF_OVER_CURRENT_PROTECTION_ENABLED: - s = g_variant_get_boolean(data) ? "ON" : "OFF"; - ret = scpi_cmd(sdi, SCPI_CMD_SET_OVER_CURRENT_PROTECTION_ENABLED, - pch->hwname, s); - break; - case SR_CONF_OVER_CURRENT_PROTECTION_THRESHOLD: - d = g_variant_get_double(data); - ret = scpi_cmd(sdi, SCPI_CMD_SET_OVER_CURRENT_PROTECTION_THRESHOLD, - pch->hwname, d); - break; - default: - ret = SR_ERR_NA; - } + select_channel(sdi, cg->channels->data); + + devc = sdi->priv; + + switch (key) { + case SR_CONF_ENABLED: + if (g_variant_get_boolean(data)) + ret = scpi_cmd(sdi, devc->device->commands, + SCPI_CMD_SET_OUTPUT_ENABLE); + else + ret = scpi_cmd(sdi, devc->device->commands, + SCPI_CMD_SET_OUTPUT_DISABLE); + break; + case SR_CONF_VOLTAGE_TARGET: + d = g_variant_get_double(data); + ret = scpi_cmd(sdi, devc->device->commands, + SCPI_CMD_SET_VOLTAGE_TARGET, d); + break; + case SR_CONF_OUTPUT_FREQUENCY_TARGET: + d = g_variant_get_double(data); + ret = scpi_cmd(sdi, devc->device->commands, + SCPI_CMD_SET_FREQUENCY_TARGET, d); + break; + case SR_CONF_CURRENT_LIMIT: + d = g_variant_get_double(data); + ret = scpi_cmd(sdi, devc->device->commands, + SCPI_CMD_SET_CURRENT_LIMIT, d); + break; + case SR_CONF_OVER_VOLTAGE_PROTECTION_ENABLED: + if (g_variant_get_boolean(data)) + ret = scpi_cmd(sdi, devc->device->commands, + SCPI_CMD_SET_OVER_VOLTAGE_PROTECTION_ENABLE); + else + ret = scpi_cmd(sdi, devc->device->commands, + SCPI_CMD_SET_OVER_VOLTAGE_PROTECTION_DISABLE); + break; + case SR_CONF_OVER_VOLTAGE_PROTECTION_THRESHOLD: + d = g_variant_get_double(data); + ret = scpi_cmd(sdi, devc->device->commands, + SCPI_CMD_SET_OVER_VOLTAGE_PROTECTION_THRESHOLD, d); + break; + case SR_CONF_OVER_CURRENT_PROTECTION_ENABLED: + if (g_variant_get_boolean(data)) + ret = scpi_cmd(sdi, devc->device->commands, + SCPI_CMD_SET_OVER_CURRENT_PROTECTION_ENABLE); + else + ret = scpi_cmd(sdi, devc->device->commands, + SCPI_CMD_SET_OVER_CURRENT_PROTECTION_DISABLE); + break; + case SR_CONF_OVER_CURRENT_PROTECTION_THRESHOLD: + d = g_variant_get_double(data); + ret = scpi_cmd(sdi, devc->device->commands, + SCPI_CMD_SET_OVER_CURRENT_PROTECTION_THRESHOLD, d); + break; + case SR_CONF_OVER_TEMPERATURE_PROTECTION: + if (g_variant_get_boolean(data)) + ret = scpi_cmd(sdi, devc->device->commands, + SCPI_CMD_SET_OVER_TEMPERATURE_PROTECTION_ENABLE); + else + ret = scpi_cmd(sdi, devc->device->commands, + SCPI_CMD_SET_OVER_TEMPERATURE_PROTECTION_DISABLE); + break; + default: + ret = SR_ERR_NA; } return ret; } -static int config_list(int key, GVariant **data, const struct sr_dev_inst *sdi, +static int config_list(uint32_t key, GVariant **data, const struct sr_dev_inst *sdi, const struct sr_channel_group *cg) { struct dev_context *devc; struct sr_channel *ch; - struct channel_spec *ch_spec; + const struct channel_spec *ch_spec; GVariant *gvar; GVariantBuilder gvb; int ret, i; @@ -419,8 +481,12 @@ static int config_list(int key, GVariant **data, const struct sr_dev_inst *sdi, /* Always available, even without sdi. */ if (key == SR_CONF_SCAN_OPTIONS) { - *data = g_variant_new_fixed_array(G_VARIANT_TYPE_INT32, - scanopts, ARRAY_SIZE(scanopts), sizeof(int32_t)); + *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32, + scanopts, ARRAY_SIZE(scanopts), sizeof(uint32_t)); + return SR_OK; + } else if (key == SR_CONF_DEVICE_OPTIONS && !sdi) { + *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32, + drvopts, ARRAY_SIZE(drvopts), sizeof(uint32_t)); return SR_OK; } @@ -433,11 +499,11 @@ static int config_list(int key, GVariant **data, const struct sr_dev_inst *sdi, /* No channel group: global options. */ switch (key) { case SR_CONF_DEVICE_OPTIONS: - *data = g_variant_new_fixed_array(G_VARIANT_TYPE_INT32, + *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32, devc->device->devopts, devc->device->num_devopts, - sizeof(int32_t)); + sizeof(uint32_t)); break; - case SR_CONF_OUTPUT_CHANNEL_CONFIG: + case SR_CONF_CHANNEL_CONFIG: /* Not used. */ i = 0; if (devc->device->features & PPS_INDEPENDENT) @@ -470,11 +536,11 @@ static int config_list(int key, GVariant **data, const struct sr_dev_inst *sdi, switch (key) { case SR_CONF_DEVICE_OPTIONS: - *data = g_variant_new_fixed_array(G_VARIANT_TYPE_INT32, + *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32, devc->device->devopts_cg, devc->device->num_devopts_cg, - sizeof(int32_t)); + sizeof(uint32_t)); break; - case SR_CONF_OUTPUT_VOLTAGE_MAX: + case SR_CONF_VOLTAGE_TARGET: ch_spec = &(devc->device->channels[ch->index]); g_variant_builder_init(&gvb, G_VARIANT_TYPE_ARRAY); /* Min, max, write resolution. */ @@ -484,7 +550,17 @@ static int config_list(int key, GVariant **data, const struct sr_dev_inst *sdi, } *data = g_variant_builder_end(&gvb); break; - case SR_CONF_OUTPUT_CURRENT_MAX: + case SR_CONF_OUTPUT_FREQUENCY_TARGET: + ch_spec = &(devc->device->channels[ch->index]); + g_variant_builder_init(&gvb, G_VARIANT_TYPE_ARRAY); + /* Min, max, write resolution. */ + for (i = 0; i < 3; i++) { + gvar = g_variant_new_double(ch_spec->frequency[i]); + g_variant_builder_add_value(&gvb, gvar); + } + *data = g_variant_builder_end(&gvb); + break; + case SR_CONF_CURRENT_LIMIT: g_variant_builder_init(&gvb, G_VARIANT_TYPE_ARRAY); /* Min, max, step. */ for (i = 0; i < 3; i++) { @@ -502,8 +578,7 @@ static int config_list(int key, GVariant **data, const struct sr_dev_inst *sdi, return ret; } -static int dev_acquisition_start(const struct sr_dev_inst *sdi, - void *cb_data) +static int dev_acquisition_start(const struct sr_dev_inst *sdi, void *cb_data) { struct dev_context *devc; struct sr_scpi_dev_inst *scpi; @@ -524,24 +599,28 @@ static int dev_acquisition_start(const struct sr_dev_inst *sdi, std_session_send_df_header(sdi, LOG_PREFIX); /* Prime the pipe with the first channel's fetch. */ - ch = sdi->channels->data; + ch = sr_next_enabled_channel(sdi, NULL); pch = ch->priv; - devc->cur_channel = ch; + if ((ret = select_channel(sdi, ch)) < 0) + return ret; if (pch->mq == SR_MQ_VOLTAGE) cmd = SCPI_CMD_GET_MEAS_VOLTAGE; + else if (pch->mq == SR_MQ_FREQUENCY) + cmd = SCPI_CMD_GET_MEAS_FREQUENCY; else if (pch->mq == SR_MQ_CURRENT) cmd = SCPI_CMD_GET_MEAS_CURRENT; else if (pch->mq == SR_MQ_POWER) cmd = SCPI_CMD_GET_MEAS_POWER; else return SR_ERR; - scpi_cmd(sdi, cmd, pch->hwname); + scpi_cmd(sdi, devc->device->commands, cmd, pch->hwname); return SR_OK; } static int dev_acquisition_stop(struct sr_dev_inst *sdi, void *cb_data) { + struct sr_datafeed_packet packet; struct sr_scpi_dev_inst *scpi; float f; @@ -560,6 +639,9 @@ static int dev_acquisition_stop(struct sr_dev_inst *sdi, void *cb_data) sr_scpi_get_float(scpi, NULL, &f); sr_scpi_source_remove(sdi->session, scpi); + packet.type = SR_DF_END; + sr_session_send(sdi, &packet); + return SR_OK; } @@ -579,5 +661,5 @@ SR_PRIV struct sr_dev_driver scpi_pps_driver_info = { .dev_close = dev_close, .dev_acquisition_start = dev_acquisition_start, .dev_acquisition_stop = dev_acquisition_stop, - .priv = NULL, + .context = NULL, };