Merged in SAMD support from MHeironimus#101

Author: JingleheimerSE

library.properties

@@ -2,8 +2,8 @@ name=Joystick
 version=2.0.7
 author=Matthew Heironimus
 maintainer=Matthew Heironimus <heironimus@live.com>
-sentence=Allows an Arduino board with USB capabilities (e.g. Leonardo, Arduino Micro, Arudino Due, etc.) to appear as a Joystick or Gamepad.
+sentence=Arduino library that allows an Arduino Leonardo, Arduino Micro, Arduino Due, Arduino Zero/M0, or Arduino MKR family to appear as a Joystick or Gamepad.
 paragraph=This library is built on the PluggableUSB library. It can be used with or without other HID-based libraries (Mouse, Keyboard, etc.).
 category=Device Control
 url=https://github.com/MHeironimus/ArduinoJoystickLibrary
-architectures=avr,sam
+architectures=avr,sam,samd

src/DynamicHID/DynamicHID.cpp

@@ -26,6 +26,10 @@
 #ifdef _VARIANT_ARDUINO_DUE_X_
 #define USB_SendControl USBD_SendControl
 #define USB_Send USBD_Send
+#elif defined(ARDUINO_ARCH_SAMD)
+#define USB_SendControl(flags, d, len) USBDevice.sendControl(d, len)
+#define USB_Send USBDevice.send
+#define TRANSFER_RELEASE	0x00
 #endif
 
 DynamicHID_& DynamicHID()
@@ -122,7 +126,12 @@ bool DynamicHID_::setup(USBSetup& setup)
 			return true;
 		}
 		if (request == DYNAMIC_HID_GET_IDLE) {
+#ifdef ARDUINO_ARCH_SAMD
+			USBDevice.armSend(0, &idle, 1);
+			return true;
+#else
 			// TODO: Send8(idle);
+#endif
 		}
 	}
 
@@ -157,7 +166,11 @@ DynamicHID_::DynamicHID_(void) : PluggableUSBModule(1, 1, epType),
                    rootNode(NULL), descriptorSize(0),
                    protocol(DYNAMIC_HID_REPORT_PROTOCOL), idle(1)
 {
+#ifdef ARDUINO_ARCH_SAMD
+	epType[0] = USB_ENDPOINT_TYPE_INTERRUPT | USB_ENDPOINT_IN(0);
+#else
 	epType[0] = EP_TYPE_INTERRUPT_IN;
+#endif
 	PluggableUSB().plug(this);
 }
 

src/DynamicHID/DynamicHID.h

@@ -25,7 +25,7 @@
 #include <stdint.h>
 #include <Arduino.h>
 
-#ifdef _VARIANT_ARDUINO_DUE_X_
+#if defined(_VARIANT_ARDUINO_DUE_X_) || defined(ARDUINO_ARCH_SAMD)
   // The following values are the same as AVR's USBAPI.h
   // Reproduced here because SAM doesn't have these in
   // its own USBAPI.H
@@ -119,7 +119,7 @@ class DynamicHID_ : public PluggableUSBModule
   uint8_t getShortName(char* name);
 
 private:
-  #ifdef _VARIANT_ARDUINO_DUE_X_
+  #if defined(_VARIANT_ARDUINO_DUE_X_) || defined(ARDUINO_ARCH_SAMD)
   uint32_t epType[1];
   #else
   uint8_t epType[1];