add support for SAMD arch

Author: facchinm

src/MIDIUSB.cpp

@@ -26,12 +26,23 @@
 #else
 
 #include "USB/PluggableUSB.h"
+#define EPTYPE_DESCRIPTOR_SIZE uint32_t
+
+#if defined(ARDUINO_ARCH_SAM)
 #define USB_SendControl 	USBD_SendControl
 #define USB_Available 		USBD_Available
 #define USB_Recv 			USBD_Recv
 #define USB_Send 			USBD_Send
 #define USB_Flush 			USBD_Flush
-#define EPTYPE_DESCRIPTOR_SIZE uint32_t
+#endif
+
+#if defined(__SAMD21G18A__)
+#define USB_SendControl		USBDevice.sendControl
+#define USB_Available		USBDevice.available
+#define USB_Recv 			USBDevice.recv
+#define USB_Send 			USBDevice.send
+#define USB_Flush 			USBDevice.flush
+#endif
 
 #endif
 

src/MIDIUSB.h

@@ -18,13 +18,12 @@ typedef struct
 	uint8_t byte3;
 }midiEventPacket_t;
 
-#if !defined(ARDUINO_ARCH_SAM)
-
+#if defined(ARDUINO_ARCH_AVR)
 #define EP_TYPE_BULK_OUT_MIDI		EP_TYPE_BULK_OUT
 #define EP_TYPE_BULK_IN_MIDI		EP_TYPE_BULK_IN
+#endif
 
-#else
-
+#if defined(ARDUINO_ARCH_SAM)
 #define EP_TYPE_BULK_IN_MIDI		(UOTGHS_DEVEPTCFG_EPSIZE_64_BYTE | \
 									UOTGHS_DEVEPTCFG_EPDIR_IN |         \
 									UOTGHS_DEVEPTCFG_EPTYPE_BLK |       \
@@ -39,6 +38,11 @@ typedef struct
 									UOTGHS_DEVEPTCFG_ALLOC)
 #endif
 
+#if defined(__SAMD21G18A__)
+#define EP_TYPE_BULK_IN_MIDI 		USB_ENDPOINT_TYPE_BULK | USB_ENDPOINT_IN(0);
+#define EP_TYPE_BULK_OUT_MIDI 		USB_ENDPOINT_TYPE_BULK | USB_ENDPOINT_OUT(0);
+#endif
+
 class MIDI_
 {
 // private: