Add Micronova component (#4760)

Co-authored-by: Jesse Hills <3060199+jesserockz@users.noreply.github.com>
Co-authored-by: Graham Brown <grahambrown11@gmail.com>

esphome/components/micronova/button/__init__.py

@@ -0,0 +1,44 @@
+import esphome.codegen as cg
+import esphome.config_validation as cv
+from esphome.components import button
+
+from .. import (
+    MicroNova,
+    MicroNovaFunctions,
+    CONF_MICRONOVA_ID,
+    CONF_MEMORY_LOCATION,
+    CONF_MEMORY_ADDRESS,
+    MICRONOVA_LISTENER_SCHEMA,
+    micronova_ns,
+)
+
+MicroNovaButton = micronova_ns.class_("MicroNovaButton", button.Button, cg.Component)
+
+CONF_CUSTOM_BUTTON = "custom_button"
+CONF_MEMORY_DATA = "memory_data"
+
+CONFIG_SCHEMA = cv.Schema(
+    {
+        cv.GenerateID(CONF_MICRONOVA_ID): cv.use_id(MicroNova),
+        cv.Optional(CONF_CUSTOM_BUTTON): button.button_schema(
+            MicroNovaButton,
+        )
+        .extend(
+            MICRONOVA_LISTENER_SCHEMA(
+                default_memory_location=0xA0, default_memory_address=0x7D
+            )
+        )
+        .extend({cv.Required(CONF_MEMORY_DATA): cv.hex_int_range()}),
+    }
+)
+
+
+async def to_code(config):
+    mv = await cg.get_variable(config[CONF_MICRONOVA_ID])
+
+    if custom_button_config := config.get(CONF_CUSTOM_BUTTON):
+        bt = await button.new_button(custom_button_config, mv)
+        cg.add(bt.set_memory_location(custom_button_config.get(CONF_MEMORY_LOCATION)))
+        cg.add(bt.set_memory_address(custom_button_config.get(CONF_MEMORY_ADDRESS)))
+        cg.add(bt.set_memory_data(custom_button_config[CONF_MEMORY_DATA]))
+        cg.add(bt.set_function(MicroNovaFunctions.STOVE_FUNCTION_CUSTOM))