From: Bert Vermeulen Date: Mon, 1 Apr 2013 15:07:44 +0000 (+0100) Subject: Ported pv::prop::binding::DeviceOptions to GVariants X-Git-Tag: pulseview-0.1.0~50 X-Git-Url: https://sigrok.org/gitaction?a=commitdiff_plain;h=4d5d5d6aeb7d936fb6b939f6c6531b3f054dac1f;p=pulseview.git Ported pv::prop::binding::DeviceOptions to GVariants --- diff --git a/pv/prop/binding/deviceoptions.cpp b/pv/prop/binding/deviceoptions.cpp index b0feb717..90f474f2 100644 --- a/pv/prop/binding/deviceoptions.cpp +++ b/pv/prop/binding/deviceoptions.cpp @@ -23,6 +23,8 @@ #include #include +#include + #include "deviceoptions.h" #include @@ -38,229 +40,186 @@ namespace binding { DeviceOptions::DeviceOptions(struct sr_dev_inst *sdi) : _sdi(sdi) { - const int *options; + GVariant *gvar_opts, *gvar_list; + gsize num_opts; if ((sr_config_list(sdi->driver, SR_CONF_DEVICE_OPTIONS, - (const void **)&options, sdi) != SR_OK) || !options) + &gvar_opts, sdi) != SR_OK)) /* Driver supports no device instance options. */ return; - for (int cap = 0; options[cap]; cap++) { + const int *const options = (const int32_t *)g_variant_get_fixed_array( + gvar_opts, &num_opts, sizeof(int32_t)); + for (unsigned int i = 0; i < num_opts; i++) { const struct sr_config_info *const info = - sr_config_info_get(options[cap]); + sr_config_info_get(options[i]); + + const int key = info->key; - if (!info) + if (!info || sr_config_list(_sdi->driver, key, + &gvar_list, _sdi) != SR_OK) continue; - switch(info->key) + const QString name(info->name); + + switch(key) { case SR_CONF_SAMPLERATE: - bind_samplerate(info); + bind_samplerate(name, gvar_list); break; case SR_CONF_PATTERN_MODE: - bind_stropt(info, SR_CONF_PATTERN_MODE); - break; - case SR_CONF_BUFFERSIZE: - bind_buffer_size(info); - break; - - case SR_CONF_TIMEBASE: - bind_time_base(info); - break; - case SR_CONF_TRIGGER_SOURCE: - bind_stropt(info, SR_CONF_TRIGGER_SOURCE); - break; - case SR_CONF_FILTER: - bind_stropt(info, SR_CONF_FILTER); + case SR_CONF_COUPLING: + bind_enum(name, key, gvar_list); break; - case SR_CONF_VDIV: - bind_vdiv(info); + case SR_CONF_TIMEBASE: + bind_enum(name, key, gvar_list, print_timebase); break; - case SR_CONF_COUPLING: - bind_stropt(info, SR_CONF_FILTER); + case SR_CONF_VDIV: + bind_enum(name, key, gvar_list, print_vdiv); break; } + + g_variant_unref(gvar_list); } + g_variant_unref(gvar_opts); } -void DeviceOptions::expose_enum(const struct sr_config_info *info, - const vector< pair > &values, int key) +GVariant* DeviceOptions::config_getter( + const struct sr_dev_inst *sdi, int key) { - _properties.push_back(shared_ptr( - new Enum(QString(info->name), values, - bind(enum_getter, _sdi, key), - bind(sr_config_set, _sdi, key, _1)))); + GVariant *data = NULL; + if (sr_config_get(sdi->driver, key, &data, sdi) != SR_OK) { + qDebug() << + "WARNING: Failed to get value of config id" << key; + return NULL; + } + return data; } -void DeviceOptions::bind_stropt( - const struct sr_config_info *info, int key) +void DeviceOptions::config_setter( + const struct sr_dev_inst *sdi, int key, GVariant* value) { - const char **stropts; - if (sr_config_list(_sdi->driver, key, - (const void **)&stropts, _sdi) != SR_OK) - return; - - vector< pair > values; - for (int i = 0; stropts[i]; i++) - values.push_back(make_pair(stropts[i], stropts[i])); - - expose_enum(info, values, key); + if (sr_config_set(sdi, key, value) != SR_OK) + qDebug() << "WARNING: Failed to set value of sample rate"; } -void DeviceOptions::bind_samplerate(const struct sr_config_info *info) +void DeviceOptions::bind_enum(const QString &name, int key, + GVariant *const gvar_list, function printer) { - const struct sr_samplerates *samplerates; + GVariant *gvar; + GVariantIter iter; + vector< pair > values; - if (sr_config_list(_sdi->driver, SR_CONF_SAMPLERATE, - (const void **)&samplerates, _sdi) != SR_OK) - return; - - if (samplerates->step) { - _properties.push_back(shared_ptr( - new Double(QString(info->name), - 0, QObject::tr("Hz"), - make_pair((double)samplerates->low, - (double)samplerates->high), - (double)samplerates->step, - bind(samplerate_value_getter, _sdi), - bind(samplerate_value_setter, _sdi, _1)))); - } else { - vector< pair > values; - for (const uint64_t *rate = samplerates->list; - *rate; rate++) - values.push_back(make_pair( - (const void*)rate, - QString(sr_samplerate_string(*rate)))); + g_variant_iter_init (&iter, gvar_list); + while ((gvar = g_variant_iter_next_value (&iter))) + values.push_back(make_pair(gvar, printer(gvar))); - _properties.push_back(shared_ptr( - new Enum(QString(info->name), values, - bind(samplerate_list_getter, _sdi), - bind(samplerate_list_setter, _sdi, _1)))); - } + _properties.push_back(shared_ptr( + new Enum(name, values, + bind(config_getter, _sdi, key), + bind(config_setter, _sdi, key, _1)))); } -void DeviceOptions::bind_buffer_size(const struct sr_config_info *info) +QString DeviceOptions::print_gvariant(GVariant *const gvar) { - const uint64_t *sizes; - if (sr_config_list(_sdi->driver, SR_CONF_BUFFERSIZE, - (const void **)&sizes, _sdi) != SR_OK) - return; - - vector< pair > values; - for (int i = 0; sizes[i]; i++) - values.push_back(make_pair(sizes + i, - QString("%1").arg(sizes[i]))); + QString s; + + if (g_variant_is_of_type(gvar, G_VARIANT_TYPE("s"))) + s = QString(g_variant_get_string(gvar, NULL)); + else + { + gchar *const text = g_variant_print(gvar, FALSE); + s = QString(text); + g_free(text); + } - expose_enum(info, values, SR_CONF_BUFFERSIZE); + return s; } -void DeviceOptions::bind_time_base(const struct sr_config_info *info) +void DeviceOptions::bind_samplerate(const QString &name, + GVariant *const gvar_list) { - struct sr_rational *timebases; - if (sr_config_list(_sdi->driver, SR_CONF_TIMEBASE, - (const void **)&timebases, _sdi) != SR_OK) - return; + GVariant *gvar_list_samplerates; - vector< pair > values; - for (int i = 0; timebases[i].p && timebases[i].q; i++) - values.push_back(make_pair(timebases + i, - QString(sr_period_string( - timebases[i].p * timebases[i].q)))); + if ((gvar_list_samplerates = g_variant_lookup_value(gvar_list, + "samplerate-steps", G_VARIANT_TYPE("at")))) + { + gsize num_elements; + const uint64_t *const elements = + (const uint64_t *)g_variant_get_fixed_array( + gvar_list_samplerates, &num_elements, sizeof(uint64_t)); - expose_enum(info, values, SR_CONF_TIMEBASE); -} + assert(num_elements == 3); -void DeviceOptions::bind_vdiv(const struct sr_config_info *info) -{ - struct sr_rational *vdivs; - if (sr_config_list(_sdi->driver, SR_CONF_VDIV, - (const void **)&vdivs, _sdi) != SR_OK) - return; - - vector< pair > values; - for (int i = 0; vdivs[i].p && vdivs[i].q; i++) - values.push_back(make_pair(vdivs + i, - QString(sr_voltage_string(vdivs + i)))); - - expose_enum(info, values, SR_CONF_VDIV); -} + _properties.push_back(shared_ptr( + new Double(name, 0, QObject::tr("Hz"), + make_pair((double)elements[0], (double)elements[1]), + (double)elements[2], + bind(samplerate_double_getter, _sdi), + bind(samplerate_double_setter, _sdi, _1)))); -const void* DeviceOptions::enum_getter( - const struct sr_dev_inst *sdi, int key) -{ - const void *data = NULL; - if (sr_config_get(sdi->driver, key, &data, sdi) != SR_OK) { - qDebug() << - "WARNING: Failed to get value of config id" << key; - return NULL; + g_variant_unref(gvar_list_samplerates); } - return data; -} - -double DeviceOptions::samplerate_value_getter( - const struct sr_dev_inst *sdi) -{ - uint64_t *samplerate = NULL; - if (sr_config_get(sdi->driver, SR_CONF_SAMPLERATE, - (const void**)&samplerate, sdi) != SR_OK) { - qDebug() << - "WARNING: Failed to get value of sample rate"; - return 0.0; + else if ((gvar_list_samplerates = g_variant_lookup_value(gvar_list, + "samplerates", G_VARIANT_TYPE("at")))) + { + bind_enum(name, SR_CONF_SAMPLERATE, + gvar_list_samplerates, print_samplerate); + g_variant_unref(gvar_list_samplerates); } - return (double)*samplerate; } -void DeviceOptions::samplerate_value_setter( - struct sr_dev_inst *sdi, double value) +QString DeviceOptions::print_samplerate(GVariant *const gvar) { - uint64_t samplerate = value; - if (sr_config_set(sdi, SR_CONF_SAMPLERATE, - &samplerate) != SR_OK) - qDebug() << - "WARNING: Failed to set value of sample rate"; + char *const s = sr_samplerate_string( + g_variant_get_uint64(gvar)); + const QString qstring(s); + g_free(s); + return qstring; } -const void* DeviceOptions::samplerate_list_getter( +GVariant* DeviceOptions::samplerate_double_getter( const struct sr_dev_inst *sdi) { - const struct sr_samplerates *samplerates; - uint64_t *samplerate = NULL; + GVariant *const gvar = config_getter(sdi, SR_CONF_SAMPLERATE); - if (sr_config_list(sdi->driver, SR_CONF_SAMPLERATE, - (const void **)&samplerates, sdi) != SR_OK) { - qDebug() << - "WARNING: Failed to get enumerate sample rates"; + if(!gvar) return NULL; - } - if (sr_config_get(sdi->driver, SR_CONF_SAMPLERATE, - (const void**)&samplerate, sdi) != SR_OK || - !samplerate) { - qDebug() << - "WARNING: Failed to get value of sample rate"; - return NULL; - } + GVariant *const gvar_double = g_variant_new_double( + g_variant_get_uint64(gvar)); - for (const uint64_t *rate = samplerates->list; *rate; rate++) - if (*rate == *samplerate) - return (const void*)rate; + g_variant_unref(gvar); - return NULL; + return gvar_double; } -void DeviceOptions::samplerate_list_setter( - struct sr_dev_inst *sdi, const void *value) +void DeviceOptions::samplerate_double_setter( + struct sr_dev_inst *sdi, GVariant *value) { - if (sr_config_set(sdi, SR_CONF_SAMPLERATE, - (uint64_t*)value) != SR_OK) - qDebug() << - "WARNING: Failed to set value of sample rate"; + GVariant *const gvar = g_variant_new_uint64( + g_variant_get_double(value)); + config_setter(sdi, SR_CONF_SAMPLERATE, gvar); +} + +QString DeviceOptions::print_timebase(GVariant *const gvar) +{ + uint64_t p, q; + g_variant_get(gvar, "(tt)", &p, &q); + return QString(sr_period_string(p * q)); +} + +QString DeviceOptions::print_vdiv(GVariant *const gvar) +{ + uint64_t p, q; + g_variant_get(gvar, "(tt)", &p, &q); + return QString(sr_voltage_string(p, q)); } } // binding diff --git a/pv/prop/binding/deviceoptions.h b/pv/prop/binding/deviceoptions.h index 23db4f71..28806f0f 100644 --- a/pv/prop/binding/deviceoptions.h +++ b/pv/prop/binding/deviceoptions.h @@ -21,6 +21,8 @@ #ifndef PULSEVIEW_PV_PROP_BINDING_DEVICEOPTIONS_H #define PULSEVIEW_PV_PROP_BINDING_DEVICEOPTIONS_H +#include + #include #include @@ -37,30 +39,28 @@ public: DeviceOptions(struct sr_dev_inst *sdi); private: - void expose_enum(const struct sr_config_info *info, - const std::vector > &values, - int opt); - void bind_stropt(const struct sr_config_info *info, int key); + static GVariant* config_getter( + const struct sr_dev_inst *sdi, int key); + static void config_setter( + const struct sr_dev_inst *sdi, int key, GVariant* value); - void bind_samplerate(const struct sr_config_info *info); - void bind_buffer_size(const struct sr_config_info *info); - void bind_time_base(const struct sr_config_info *info); - void bind_vdiv(const struct sr_config_info *info); + void bind_enum(const QString &name, int key, + GVariant *const gvar_list, + boost::function printer = print_gvariant); -private: - static const void* enum_getter( - const struct sr_dev_inst *sdi, int key); + static QString print_gvariant(GVariant *const gvar); - static double samplerate_value_getter( + void bind_samplerate(const QString &name, + GVariant *const gvar_list); + static QString print_samplerate(GVariant *const gvar); + static GVariant* samplerate_double_getter( const struct sr_dev_inst *sdi); - static void samplerate_value_setter( - struct sr_dev_inst *sdi, double value); + static void samplerate_double_setter( + struct sr_dev_inst *sdi, GVariant *value); - static const void* samplerate_list_getter( - const struct sr_dev_inst *sdi); - static void samplerate_list_setter( - struct sr_dev_inst *sdi, const void* value); + static QString print_timebase(GVariant *const gvar); + static QString print_vdiv(GVariant *const gvar); protected: struct sr_dev_inst *const _sdi;