mirror of https://github.com/esphome/esphome.git
66 lines
2.0 KiB
C++
66 lines
2.0 KiB
C++
#include "mqtt_number.h"
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#include "esphome/core/log.h"
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#ifdef USE_NUMBER
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namespace esphome {
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namespace mqtt {
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static const char *const TAG = "mqtt.number";
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using namespace esphome::number;
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MQTTNumberComponent::MQTTNumberComponent(Number *number) : MQTTComponent(), number_(number) {}
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void MQTTNumberComponent::setup() {
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this->subscribe(this->get_command_topic_(), [this](const std::string &topic, const std::string &state) {
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auto val = parse_float(state);
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if (!val.has_value()) {
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ESP_LOGW(TAG, "Can't convert '%s' to number!", state.c_str());
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return;
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}
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auto call = this->number_->make_call();
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call.set_value(*val);
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call.perform();
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});
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this->number_->add_on_state_callback([this](float state) { this->publish_state(state); });
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}
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void MQTTNumberComponent::dump_config() {
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ESP_LOGCONFIG(TAG, "MQTT Number '%s':", this->number_->get_name().c_str());
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LOG_MQTT_COMPONENT(true, false)
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}
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std::string MQTTNumberComponent::component_type() const { return "number"; }
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std::string MQTTNumberComponent::friendly_name() const { return this->number_->get_name(); }
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void MQTTNumberComponent::send_discovery(JsonObject &root, mqtt::SendDiscoveryConfig &config) {
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const auto &traits = number_->traits;
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// https://www.home-assistant.io/integrations/number.mqtt/
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if (!traits.get_icon().empty())
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root["icon"] = traits.get_icon();
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root["min"] = traits.get_min_value();
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root["max"] = traits.get_max_value();
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root["step"] = traits.get_step();
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config.command_topic = true;
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}
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bool MQTTNumberComponent::send_initial_state() {
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if (this->number_->has_state()) {
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return this->publish_state(this->number_->state);
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} else {
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return true;
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}
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}
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bool MQTTNumberComponent::is_internal() { return this->number_->is_internal(); }
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bool MQTTNumberComponent::publish_state(float value) {
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char buffer[64];
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snprintf(buffer, sizeof(buffer), "%f", value);
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return this->publish(this->get_state_topic_(), buffer);
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}
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} // namespace mqtt
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} // namespace esphome
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#endif
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