Implement output button (#3109)

esphome/components/output/button/__init__.py

@@ -0,0 +1,26 @@
+import esphome.codegen as cg
+import esphome.config_validation as cv
+from esphome.components import button, output
+from esphome.const import CONF_ID, CONF_OUTPUT, CONF_DURATION
+from .. import output_ns
+
+OutputButton = output_ns.class_("OutputButton", button.Button, cg.Component)
+
+CONFIG_SCHEMA = button.BUTTON_SCHEMA.extend(
+    {
+        cv.GenerateID(): cv.declare_id(OutputButton),
+        cv.Required(CONF_OUTPUT): cv.use_id(output.BinaryOutput),
+        cv.Required(CONF_DURATION): cv.positive_time_period_milliseconds,
+    }
+).extend(cv.COMPONENT_SCHEMA)
+
+
+async def to_code(config):
+    var = cg.new_Pvariable(config[CONF_ID])
+    cg.add(var.set_duration(config[CONF_DURATION]))
+
+    output_ = await cg.get_variable(config[CONF_OUTPUT])
+    cg.add(var.set_output(output_))
+
+    await cg.register_component(var, config)
+    await button.register_button(var, config)

esphome/components/output/button/output_button.cpp

@@ -0,0 +1,21 @@
+#include "output_button.h"
+#include "esphome/core/log.h"
+
+namespace esphome {
+namespace output {
+
+static const char *const TAG = "output.button";
+
+void OutputButton::dump_config() {
+  LOG_BUTTON("", "Output Button", this);
+  ESP_LOGCONFIG(TAG, "  Duration: %.1fs", this->duration_ / 1e3f);
+}
+void OutputButton::press_action() {
+  this->output_->turn_on();
+
+  // Use a named timeout so that it's automatically cancelled if button is pressed again before it's reset
+  this->set_timeout("reset", this->duration_, [this]() { this->output_->turn_off(); });
+}
+
+}  // namespace output
+}  // namespace esphome

esphome/components/output/button/output_button.h

@@ -0,0 +1,25 @@
+#pragma once
+
+#include "esphome/core/component.h"
+#include "esphome/components/button/button.h"
+#include "esphome/components/output/binary_output.h"
+
+namespace esphome {
+namespace output {
+
+class OutputButton : public button::Button, public Component {
+ public:
+  void dump_config() override;
+
+  void set_output(BinaryOutput *output) { output_ = output; }
+  void set_duration(uint32_t duration) { duration_ = duration; }
+
+ protected:
+  void press_action() override;
+
+  output::BinaryOutput *output_;
+  uint32_t duration_;
+};
+
+}  // namespace output
+}  // namespace esphome

tests/test3.yaml

@@ -1352,6 +1352,10 @@ daly_bms:
   uart_id: uart1
 
 button:
+  - platform: output
+    id: output_button
+    output: out
+    duration: 100ms
   - platform: wake_on_lan
     target_mac_address: 12:34:56:78:90:ab
     name: wol_test_1