support multi-port CDC devices

test/arduino_leonardo_bridge_multi_cdc/USBDesc.h

@@ -0,0 +1,77 @@
+/*
+   Copyright (c) 2011, Peter Barrett
+   Copyright (c) 2015, Arduino LLC
+
+   Permission to use, copy, modify, and/or distribute this software for
+   any purpose with or without fee is hereby granted, provided that the
+   above copyright notice and this permission notice appear in all copies.
+
+   THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL
+   WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED
+   WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR
+   BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES
+   OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
+   WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
+   ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
+   SOFTWARE.
+ */
+
+#define PLUGGABLE_USB_ENABLED
+
+#if defined(EPRST6)
+#define USB_ENDPOINTS 7 // AtMegaxxU4
+#else
+#define USB_ENDPOINTS 5 // AtMegaxxU2
+#endif
+
+#define ISERIAL_MAX_LEN     20
+
+#define CDC_INTERFACE_COUNT	2
+#define CDC_ENPOINT_COUNT	3
+
+// kai:begin
+#undef CDC_ACM_INTERFACE
+#undef CDC_DATA_INTERFACE
+#undef CDC_FIRST_ENDPOINT
+#undef CDC_ENDPOINT_ACM
+#undef CDC_ENDPOINT_OUT
+#undef CDC_ENDPOINT_IN
+#undef CDC_RX
+#undef CDC_TX
+
+#define CDC_ACM_INTERFACE1	0	// CDC ACM
+#define CDC_DATA_INTERFACE1	1	// CDC Data
+#define CDC_FIRST_ENDPOINT1	1
+#define CDC_ENDPOINT_ACM1	(CDC_FIRST_ENDPOINT1)							// CDC First
+#define CDC_ENDPOINT_OUT1	(CDC_FIRST_ENDPOINT1+1)
+#define CDC_ENDPOINT_IN1		(CDC_FIRST_ENDPOINT1+2)
+
+#define CDC_ACM_INTERFACE2  2 // CDC ACM
+#define CDC_DATA_INTERFACE2  3 // CDC Data
+#define CDC_FIRST_ENDPOINT2  4 
+#define CDC_ENDPOINT_ACM2  (CDC_FIRST_ENDPOINT2)              // CDC First
+#define CDC_ENDPOINT_OUT2  (CDC_FIRST_ENDPOINT2+1)
+#define CDC_ENDPOINT_IN2  (CDC_FIRST_ENDPOINT2+2)
+
+// only one of both interfaces is functional:
+#define ACTIVE_INTERFACE 1
+
+#if ACTIVE_INTERFACE == 1
+# define CDC_CLASS_INTERFACE CDC_ACM_INTERFACE1
+# define CDC_RX              CDC_ENDPOINT_OUT1
+# define CDC_TX              CDC_ENDPOINT_IN1
+#else
+# define CDC_CLASS_INTERFACE CDC_ACM_INTERFACE2
+# define CDC_RX              CDC_ENDPOINT_OUT2
+# define CDC_TX              CDC_ENDPOINT_IN2
+#endif
+
+#undef USB_VID
+#define USB_VID 0x2342
+// kai:end
+
+#define INTERFACE_COUNT    (MSC_INTERFACE + MSC_INTERFACE_COUNT)
+
+#define IMANUFACTURER   1
+#define IPRODUCT        2
+#define ISERIAL         3