Added a comment to HID.h directing people who want deeper functionality to user-contributed libraries and removed TODO's that will not be pursued in this library.

Fixes: #6390

Author: SteveBenz

hardware/arduino/avr/libraries/HID/src/HID.cpp

@@ -106,17 +106,9 @@ bool HID_::setup(USBSetup& setup)
 
 	if (requestType == REQUEST_DEVICETOHOST_CLASS_INTERFACE)
 	{
-		if (request == HID_GET_REPORT) {
-			// TODO: HID_GetReport();
+		if (request == HID_GET_REPORT || request == HID_GET_PROTOCOL)
 			return true;
 		}
-		if (request == HID_GET_PROTOCOL) {
-			// TODO: Send8(protocol);
-			return true;
-		}
-		if (request == HID_GET_IDLE) {
-			// TODO: Send8(idle);
-		}
 	}
 
 	if (requestType == REQUEST_HOSTTODEVICE_CLASS_INTERFACE)
@@ -131,16 +123,6 @@ bool HID_::setup(USBSetup& setup)
 			idle = setup.wValueL;
 			return true;
 		}
-		if (request == HID_SET_REPORT)
-		{
-			//uint8_t reportID = setup.wValueL;
-			//uint16_t length = setup.wLength;
-			//uint8_t data[length];
-			// Make sure to not read more data than USB_EP_SIZE.
-			// You can read multiple times through a loop.
-			// The first byte (may!) contain the reportID on a multreport.
-			//USB_RecvControl(data, length);
-		}
 	}
 
 	return false;

hardware/arduino/avr/libraries/HID/src/HID.h

@@ -23,6 +23,14 @@
 #include <Arduino.h>
 #include "PluggableUSB.h"
 
+// The HID class provided in this library is a basic mechanism, designed to let enthusiasts get
+// a quick start with their projects.  If you need more than what's implemented here (such as
+// bi-directional communication with the host), then you should investigate other user-contributed
+// libraries.  In particular, have a look at: https://github.com/NicoHood/HID/wiki.
+// This library contains a number of implementations for Mice, Keyboards and game controllers,
+// perhaps one will work directly for you.  If not, there are also base classes that you can use
+// to get a jump-start on your design.
+
 #if defined(USBCON)
 
 #define _USING_HID
@@ -88,6 +96,7 @@ class HIDSubDescriptor {
   const uint16_t length;
 };
 
+
 class HID_ : public PluggableUSBModule
 {
 public: