完成初代的雏形设计

components/io_device_control/include/io_device_control.h

@@ -0,0 +1,28 @@
+#pragma once
+
+#include <stdbool.h>
+
+#include "esp_err.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+// Initializes fan/light/hot/cool outputs and sets all devices off by default.
+esp_err_t io_device_control_init(void);
+
+// High level control APIs, all are active-high outputs.
+esp_err_t io_device_control_set_fan(bool on);
+esp_err_t io_device_control_set_light(bool on);
+esp_err_t io_device_control_set_hot(bool on);
+esp_err_t io_device_control_set_cool(bool on);
+
+// Read current output states from GPIO.
+esp_err_t io_device_control_get_states(bool *fan_on,
+									   bool *light_on,
+									   bool *hot_on,
+									   bool *cool_on);
+
+#ifdef __cplusplus
+}
+#endif