From: Frank Stettner Date: Wed, 20 Feb 2019 19:32:04 +0000 (+0100) Subject: demo: Get/Set measurement quantity for the analog channels. X-Git-Url: https://sigrok.org/gitaction?a=commitdiff_plain;h=94f364ec11c938934f68cde067ee590218177140;p=libsigrok.git demo: Get/Set measurement quantity for the analog channels. --- diff --git a/src/hardware/demo/api.c b/src/hardware/demo/api.c index 52f30d4f..1f9b9d2c 100644 --- a/src/hardware/demo/api.c +++ b/src/hardware/demo/api.c @@ -5,6 +5,7 @@ * Copyright (C) 2011 Olivier Fauchon * Copyright (C) 2012 Alexandru Gagniuc * Copyright (C) 2015 Bartosz Golaszewski + * Copyright (C) 2019 Frank Stettner * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by @@ -82,6 +83,7 @@ static const uint32_t devopts_cg_analog_group[] = { }; static const uint32_t devopts_cg_analog_channel[] = { + SR_CONF_MEASURED_QUANTITY | SR_CONF_GET | SR_CONF_SET, SR_CONF_PATTERN_MODE | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST, SR_CONF_AMPLITUDE | SR_CONF_GET | SR_CONF_SET, }; @@ -184,12 +186,15 @@ static GSList *scan(struct sr_dev_driver *di, GSList *options) /* Every channel gets a generator struct. */ ag = g_malloc(sizeof(struct analog_gen)); ag->ch = ch; + ag->mq = SR_MQ_VOLTAGE; + ag->mq_flags = SR_MQFLAG_DC; + ag->unit = SR_UNIT_VOLT; ag->amplitude = DEFAULT_ANALOG_AMPLITUDE; sr_analog_init(&ag->packet, &ag->encoding, &ag->meaning, &ag->spec, 2); ag->packet.meaning->channels = cg->channels; - ag->packet.meaning->mq = SR_MQ_VOLTAGE; - ag->packet.meaning->mqflags = SR_MQFLAG_DC; - ag->packet.meaning->unit = SR_UNIT_VOLT; + ag->packet.meaning->mq = ag->mq; + ag->packet.meaning->mqflags = ag->mq_flags; + ag->packet.meaning->unit = ag->unit; ag->packet.encoding->digits = DEFAULT_ANALOG_ENCODING_DIGITS; ag->packet.spec->spec_digits = DEFAULT_ANALOG_SPEC_DIGITS; ag->packet.data = ag->pattern_data; @@ -231,6 +236,7 @@ static int config_get(uint32_t key, GVariant **data, struct dev_context *devc; struct sr_channel *ch; struct analog_gen *ag; + GVariant *mq_arr[2]; int pattern; if (!sdi) @@ -256,6 +262,18 @@ static int config_get(uint32_t key, GVariant **data, case SR_CONF_AVG_SAMPLES: *data = g_variant_new_uint64(devc->avg_samples); break; + case SR_CONF_MEASURED_QUANTITY: + if (!cg) + return SR_ERR_CHANNEL_GROUP; + /* Any channel in the group will do. */ + ch = cg->channels->data; + if (ch->type != SR_CHANNEL_ANALOG) + return SR_ERR_ARG; + ag = g_hash_table_lookup(devc->ch_ag, ch); + mq_arr[0] = g_variant_new_uint32(ag->mq); + mq_arr[1] = g_variant_new_uint64(ag->mq_flags); + *data = g_variant_new_tuple(mq_arr, 2); + break; case SR_CONF_PATTERN_MODE: if (!cg) return SR_ERR_CHANNEL_GROUP; @@ -297,6 +315,7 @@ static int config_set(uint32_t key, GVariant *data, struct dev_context *devc; struct analog_gen *ag; struct sr_channel *ch; + GVariant *mq_tuple_child; GSList *l; int logic_pattern, analog_pattern; @@ -325,6 +344,21 @@ static int config_set(uint32_t key, GVariant *data, devc->avg_samples = g_variant_get_uint64(data); sr_dbg("Setting averaging rate to %" PRIu64, devc->avg_samples); break; + case SR_CONF_MEASURED_QUANTITY: + if (!cg) + return SR_ERR_CHANNEL_GROUP; + for (l = cg->channels; l; l = l->next) { + ch = l->data; + if (ch->type != SR_CHANNEL_ANALOG) + return SR_ERR_ARG; + ag = g_hash_table_lookup(devc->ch_ag, ch); + mq_tuple_child = g_variant_get_child_value(data, 0); + ag->mq = g_variant_get_uint32(mq_tuple_child); + mq_tuple_child = g_variant_get_child_value(data, 1); + ag->mq_flags = g_variant_get_uint64(mq_tuple_child); + g_variant_unref(mq_tuple_child); + } + break; case SR_CONF_PATTERN_MODE: if (!cg) return SR_ERR_CHANNEL_GROUP; diff --git a/src/hardware/demo/protocol.c b/src/hardware/demo/protocol.c index ce897ad9..8db7cbbf 100644 --- a/src/hardware/demo/protocol.c +++ b/src/hardware/demo/protocol.c @@ -5,6 +5,7 @@ * Copyright (C) 2011 Olivier Fauchon * Copyright (C) 2012 Alexandru Gagniuc * Copyright (C) 2015 Bartosz Golaszewski + * Copyright (C) 2019 Frank Stettner * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by @@ -400,6 +401,80 @@ static void send_analog_packet(struct analog_gen *ag, packet.type = SR_DF_ANALOG; packet.payload = &ag->packet; + ag->packet.meaning->channels = g_slist_append(NULL, ag->ch); + ag->packet.meaning->mq = ag->mq; + ag->packet.meaning->mqflags = ag->mq_flags; + + /* Set a unit for the given quantity */ + if (ag->mq == SR_MQ_VOLTAGE) + ag->packet.meaning->unit = SR_UNIT_VOLT; + else if (ag->mq == SR_MQ_CURRENT) + ag->packet.meaning->unit = SR_UNIT_AMPERE; + else if (ag->mq == SR_MQ_RESISTANCE) + ag->packet.meaning->unit = SR_UNIT_OHM; + else if (ag->mq == SR_MQ_CAPACITANCE) + ag->packet.meaning->unit = SR_UNIT_FARAD; + else if (ag->mq == SR_MQ_TEMPERATURE) + ag->packet.meaning->unit = SR_UNIT_CELSIUS; + else if (ag->mq == SR_MQ_FREQUENCY) + ag->packet.meaning->unit = SR_UNIT_HERTZ; + else if (ag->mq == SR_MQ_DUTY_CYCLE) + ag->packet.meaning->unit = SR_UNIT_PERCENTAGE; + else if (ag->mq == SR_MQ_CONTINUITY) + ag->packet.meaning->unit = SR_UNIT_OHM; + else if (ag->mq == SR_MQ_PULSE_WIDTH) + ag->packet.meaning->unit = SR_UNIT_PERCENTAGE; + else if (ag->mq == SR_MQ_CONDUCTANCE) + ag->packet.meaning->unit = SR_UNIT_SIEMENS; + else if (ag->mq == SR_MQ_POWER) + ag->packet.meaning->unit = SR_UNIT_WATT; + else if (ag->mq == SR_MQ_GAIN) + ag->packet.meaning->unit = SR_UNIT_UNITLESS; + else if (ag->mq == SR_MQ_SOUND_PRESSURE_LEVEL) + ag->packet.meaning->unit = SR_UNIT_DECIBEL_SPL; + else if (ag->mq == SR_MQ_CARBON_MONOXIDE) + ag->packet.meaning->unit = SR_UNIT_CONCENTRATION; + else if (ag->mq == SR_MQ_RELATIVE_HUMIDITY) + ag->packet.meaning->unit = SR_UNIT_HUMIDITY_293K; + else if (ag->mq == SR_MQ_TIME) + ag->packet.meaning->unit = SR_UNIT_SECOND; + else if (ag->mq == SR_MQ_WIND_SPEED) + ag->packet.meaning->unit = SR_UNIT_METER_SECOND; + else if (ag->mq == SR_MQ_PRESSURE) + ag->packet.meaning->unit = SR_UNIT_HECTOPASCAL; + else if (ag->mq == SR_MQ_PARALLEL_INDUCTANCE) + ag->packet.meaning->unit = SR_UNIT_HENRY; + else if (ag->mq == SR_MQ_PARALLEL_CAPACITANCE) + ag->packet.meaning->unit = SR_UNIT_FARAD; + else if (ag->mq == SR_MQ_PARALLEL_RESISTANCE) + ag->packet.meaning->unit = SR_UNIT_OHM; + else if (ag->mq == SR_MQ_SERIES_INDUCTANCE) + ag->packet.meaning->unit = SR_UNIT_HENRY; + else if (ag->mq == SR_MQ_SERIES_CAPACITANCE) + ag->packet.meaning->unit = SR_UNIT_FARAD; + else if (ag->mq == SR_MQ_SERIES_RESISTANCE) + ag->packet.meaning->unit = SR_UNIT_OHM; + else if (ag->mq == SR_MQ_DISSIPATION_FACTOR) + ag->packet.meaning->unit = SR_UNIT_UNITLESS; + else if (ag->mq == SR_MQ_QUALITY_FACTOR) + ag->packet.meaning->unit = SR_UNIT_UNITLESS; + else if (ag->mq == SR_MQ_PHASE_ANGLE) + ag->packet.meaning->unit = SR_UNIT_DEGREE; + else if (ag->mq == SR_MQ_DIFFERENCE) + ag->packet.meaning->unit = SR_UNIT_UNITLESS; + else if (ag->mq == SR_MQ_COUNT) + ag->packet.meaning->unit = SR_UNIT_PIECE; + else if (ag->mq == SR_MQ_POWER_FACTOR) + ag->packet.meaning->unit = SR_UNIT_UNITLESS; + else if (ag->mq == SR_MQ_APPARENT_POWER) + ag->packet.meaning->unit = SR_UNIT_VOLT_AMPERE; + else if (ag->mq == SR_MQ_MASS) + ag->packet.meaning->unit = SR_UNIT_GRAM; + else if (ag->mq == SR_MQ_HARMONIC_RATIO) + ag->packet.meaning->unit = SR_UNIT_UNITLESS; + else + ag->packet.meaning->unit = SR_UNIT_UNITLESS; + if (!devc->avg) { ag_pattern_pos = analog_pos % ag->num_samples; sending_now = MIN(analog_todo, ag->num_samples - ag_pattern_pos); diff --git a/src/hardware/demo/protocol.h b/src/hardware/demo/protocol.h index 82fb5d23..de0ac7a8 100644 --- a/src/hardware/demo/protocol.h +++ b/src/hardware/demo/protocol.h @@ -5,6 +5,7 @@ * Copyright (C) 2011 Olivier Fauchon * Copyright (C) 2012 Alexandru Gagniuc * Copyright (C) 2015 Bartosz Golaszewski + * Copyright (C) 2019 Frank Stettner * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by @@ -132,6 +133,9 @@ static const char *analog_pattern_str[] = { struct analog_gen { struct sr_channel *ch; + enum sr_mq mq; + enum sr_mqflag mq_flags; + enum sr_unit unit; enum analog_pattern_type pattern; float amplitude; float pattern_data[ANALOG_BUFSIZE];