Add support for TM1638 Led and Key component (#3340)

esphome/components/tm1638/binary_sensor/__init__.py

@@ -0,0 +1,22 @@
+import esphome.codegen as cg
+import esphome.config_validation as cv
+from esphome.components import binary_sensor
+from esphome.const import CONF_KEY
+from ..display import tm1638_ns, TM1638Component, CONF_TM1638_ID
+
+TM1638Key = tm1638_ns.class_("TM1638Key", binary_sensor.BinarySensor)
+
+CONFIG_SCHEMA = binary_sensor.BINARY_SENSOR_SCHEMA.extend(
+    {
+        cv.GenerateID(): cv.declare_id(TM1638Key),
+        cv.GenerateID(CONF_TM1638_ID): cv.use_id(TM1638Component),
+        cv.Required(CONF_KEY): cv.int_range(min=0, max=15),
+    }
+)
+
+
+async def to_code(config):
+    var = await binary_sensor.new_binary_sensor(config)
+    cg.add(var.set_keycode(config[CONF_KEY]))
+    hub = await cg.get_variable(config[CONF_TM1638_ID])
+    cg.add(hub.register_listener(var))

esphome/components/tm1638/binary_sensor/tm1638_key.cpp

@@ -0,0 +1,13 @@
+#include "tm1638_key.h"
+
+namespace esphome {
+namespace tm1638 {
+
+void TM1638Key::keys_update(uint8_t keys) {
+  bool pressed = keys & (1 << key_code_);
+  if (pressed != this->state)
+    this->publish_state(pressed);
+}
+
+}  // namespace tm1638
+}  // namespace esphome

esphome/components/tm1638/binary_sensor/tm1638_key.h

@@ -0,0 +1,19 @@
+#pragma once
+
+#include "esphome/components/binary_sensor/binary_sensor.h"
+#include "../tm1638.h"
+
+namespace esphome {
+namespace tm1638 {
+
+class TM1638Key : public binary_sensor::BinarySensor, public KeyListener {
+ public:
+  void set_keycode(uint8_t key_code) { key_code_ = key_code; };
+  void keys_update(uint8_t keys) override;
+
+ protected:
+  uint8_t key_code_{0};
+};
+
+}  // namespace tm1638
+}  // namespace esphome