change TUSB_CFG_CONTROLLER0/1_MODE to TUSB_CFG_CONTROLLER_0/1_MODE for clearance

adding configuration docs for tinyusb_config.h
document HID mouse & keyboard API

tinyusb/doxygen/configuration.h

@@ -0,0 +1,39 @@
+/** \addtogroup group_configuration
+ *  @{ */
+
+/**
+  USB controller in MCU often has limited access to specific RAM section. The Stack will use this macro to place internal variables
+  into the USB RAM section as follows. if your mcu's usb controller has no such limit, define TUSB_CFG_ATTR_USBRAM as empty macro.
+
+  @code
+  uint8_t tinyusb_data[10] TUSB_CFG_ATTR_USBRAM;
+  @endcode
+ */
+#define TUSB_CFG_ATTR_USBRAM
+
+
+/** \defgroup TUSB_CFG_HOST Host
+ *  @{ */
+
+/// Maximum number of device host stack can manage
+/// - If hub class is not enabled, set this equal to number of controllers in host mode
+/// - if hub class is enabled, make sure hub is also counted
+#define TUSB_CFG_HOST_DEVICE_MAX
+
+/// Buffer size used for getting device configuration descriptor. You may want to increase this from default
+/// to support lengthy composite device especially with Audio or Video class
+#define TUSB_CFG_HOST_ENUM_BUFFER_SIZE
+
+#define TUSB_CFG_HOST_HUB           ///< Enable Hub Class
+#define TUSB_CFG_HOST_HID_KEYBOARD  ///< Enable HID Class for Keyboard
+#define TUSB_CFG_HOST_HID_MOUSE     ///< Enable HID Class for Mouse
+#define TUSB_CFG_HOST_HID_GENERIC   ///< Enable HID Class for Generic (not supported yet)
+#define TUSB_CFG_HOST_MSC           ///< Enable Mass Storage Class (SCSI subclass only)
+#define TUSB_CFG_HOST_CDC           ///< Enable Virtual Serial (Communication Device Class)
+#define TUSB_CFG_HOST_CDC_RNDIS     ///< Enable Remote Network Device (require TUSB_CFG_HOST_CDC to be enabled)
+
+/** @} */ // group Host
+
+
+
+/** @} */