Begin work on MTP Disk

teensy3/WProgram.h

 #include "usb_midi.h"
 #include "usb_rawhid.h"
 #include "usb_flightsim.h"
+#include "usb_mtp.h"
 #include "usb_undef.h" // do not allow usb_desc.h stuff to leak to user programs
 
 //#include "WCharacter.h"

teensy3/usb_desc.c

 #define JOYSTICK_INTERFACE_DESC_SIZE	0
 #endif
 
-#define CONFIG_DESC_SIZE		JOYSTICK_INTERFACE_DESC_POS+JOYSTICK_INTERFACE_DESC_SIZE
+#define MTP_INTERFACE_DESC_POS		JOYSTICK_INTERFACE_DESC_POS+JOYSTICK_INTERFACE_DESC_SIZE
+#ifdef  MTP_INTERFACE
+#define MTP_INTERFACE_DESC_SIZE		9+7+7+7
+#else
+#define MTP_INTERFACE_DESC_SIZE	0
+#endif
+
+#define CONFIG_DESC_SIZE		MTP_INTERFACE_DESC_POS+MTP_INTERFACE_DESC_SIZE
 
 
 
         JOYSTICK_INTERVAL,                      // bInterval
 #endif // JOYSTICK_INTERFACE
 
+#ifdef MTP_INTERFACE
+        // interface descriptor, USB spec 9.6.5, page 267-269, Table 9-12
+        9,                                      // bLength
+        4,                                      // bDescriptorType
+        MTP_INTERFACE,                          // bInterfaceNumber
+        0,                                      // bAlternateSetting
+        3,                                      // bNumEndpoints
+        0x06,                                   // bInterfaceClass (0x06 = still image)
+        0x01,                                   // bInterfaceSubClass
+        0x01,                                   // bInterfaceProtocol
+        0,                                      // iInterface
+        // endpoint descriptor, USB spec 9.6.6, page 269-271, Table 9-13
+        7,                                      // bLength
+        5,                                      // bDescriptorType
+        MTP_TX_ENDPOINT | 0x80,                 // bEndpointAddress
+        0x02,                                   // bmAttributes (0x02=bulk)
+        MTP_TX_SIZE, 0,                         // wMaxPacketSize
+        0,                                      // bInterval
+        // endpoint descriptor, USB spec 9.6.6, page 269-271, Table 9-13
+        7,                                      // bLength
+        5,                                      // bDescriptorType
+        MTP_RX_ENDPOINT,                        // bEndpointAddress
+        0x02,                                   // bmAttributes (0x02=bulk)
+        MTP_RX_SIZE, 0,                         // wMaxPacketSize
+        0,                                      // bInterval
+        // endpoint descriptor, USB spec 9.6.6, page 269-271, Table 9-13
+        7,                                      // bLength
+        5,                                      // bDescriptorType
+        MTP_EVENT_ENDPOINT | 0x80,              // bEndpointAddress
+        0x03,                                   // bmAttributes (0x03=intr)
+        MTP_EVENT_SIZE, 0,                      // wMaxPacketSize
+        MTP_EVENT_INTERVAL,                     // bInterval
+#endif // MTP_INTERFACE
 };
 
 

teensy3/usb_desc.h

   #define ENDPOINT3_CONFIG	ENDPOINT_TRANSIMIT_ONLY
   #define ENDPOINT4_CONFIG	ENDPOINT_RECEIVE_ONLY
 
+#elif defined(USB_MTPDISK)
+  #define VENDOR_ID		0x16C0
+  #define PRODUCT_ID		0x0489
+  #define MANUFACTURER_NAME	{'T','e','e','n','s','y','d','u','i','n','o'}
+  #define MANUFACTURER_NAME_LEN	11
+  #define PRODUCT_NAME		{'T','e','e','n','s','y',' ','M','T','P',' ','D','i','s','k'}
+  #define PRODUCT_NAME_LEN	15
+  #define EP0_SIZE		64
+  #define NUM_ENDPOINTS         4
+  #define NUM_USB_BUFFERS	20
+  #define NUM_INTERFACE		2
+  #define MTP_INTERFACE		0	// MTP Disk
+  #define MTP_TX_ENDPOINT	3
+  #define MTP_TX_SIZE		64
+  #define MTP_RX_ENDPOINT	3
+  #define MTP_RX_SIZE		64
+  #define MTP_EVENT_ENDPOINT	4
+  #define MTP_EVENT_SIZE	16
+  #define MTP_EVENT_INTERVAL	10
+  #define SEREMU_INTERFACE      1	// Serial emulation
+  #define SEREMU_TX_ENDPOINT    1
+  #define SEREMU_TX_SIZE        64
+  #define SEREMU_TX_INTERVAL    1
+  #define SEREMU_RX_ENDPOINT    2
+  #define SEREMU_RX_SIZE        32
+  #define SEREMU_RX_INTERVAL    2
+  #define ENDPOINT1_CONFIG	ENDPOINT_TRANSIMIT_ONLY
+  #define ENDPOINT2_CONFIG	ENDPOINT_RECEIVE_ONLY
+  #define ENDPOINT3_CONFIG	ENDPOINT_TRANSMIT_AND_RECEIVE
+  #define ENDPOINT4_CONFIG	ENDPOINT_RECEIVE_ONLY
+
 #endif
 
 #ifdef USB_DESC_LIST_DEFINE

teensy3/usb_dev.c

 			endpoint0_stall();
 			return;
 		}
-		(*(uint8_t *)(&USB0_ENDPT0 + setup.wIndex * 4)) &= ~0x02;
+		(*(uint8_t *)(&USB0_ENDPT0 + i * 4)) &= ~0x02;
 		// TODO: do we need to clear the data toggle here?
 		break;
 	  case 0x0302: // SET_FEATURE (endpoint)
 			endpoint0_stall();
 			return;
 		}
-		(*(uint8_t *)(&USB0_ENDPT0 + setup.wIndex * 4)) |= 0x02;
+		(*(uint8_t *)(&USB0_ENDPT0 + i * 4)) |= 0x02;
 		// TODO: do we need to clear the data toggle here?
 		break;
 	  case 0x0680: // GET_DESCRIPTOR
 		return;
 #endif
 
+#if defined(MTP_INTERFACE)
+	case 0x2164: // Cancel Request (PTP spec, 5.2.1, page 8)
+		// TODO: required by PTP spec
+		endpoint0_stall();
+		return;
+	case 0x2166: // Device Reset (PTP spec, 5.2.3, page 10)
+		// TODO: required by PTP spec
+		endpoint0_stall();
+		return;
+	case 0x2167: // Get Device Statis (PTP spec, 5.2.4, page 10)
+		// TODO: required by PTP spec
+		endpoint0_stall();
+		return;
+#endif
+
 // TODO: this does not work... why?
 #if defined(SEREMU_INTERFACE) || defined(KEYBOARD_INTERFACE)
 	  case 0x0921: // HID SET_REPORT

teensy3/usb_mtp.c

+/* Teensyduino Core Library
+ * http://www.pjrc.com/teensy/
+ * Copyright (c) 2015 PJRC.COM, LLC.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining
+ * a copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sublicense, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ *
+ * 1. The above copyright notice and this permission notice shall be
+ * included in all copies or substantial portions of the Software.
+ *
+ * 2. If the Software is incorporated into a build system that allows
+ * selection among a list of target devices, then similar target
+ * devices manufactured by PJRC.COM must be included in the list of
+ * target devices and selectable in the same manner.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
+ * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
+ * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+#include "usb_dev.h"
+#include "usb_mtp.h"
+#include "core_pins.h" // for yield()
+#include "HardwareSerial.h"
+
+#ifdef MTP_INTERFACE // defined by usb_dev.h -> usb_desc.h
+#if F_CPU >= 20000000
+
+void usb_mtp_update(void)
+{
+	serial_print("test\n");
+
+	// TODO: a lot of work here....
+
+
+
+}
+
+
+#endif // F_CPU
+#endif // MTP_INTERFACE

teensy3/usb_mtp.h

+/* Teensyduino Core Library
+ * http://www.pjrc.com/teensy/
+ * Copyright (c) 2013 PJRC.COM, LLC.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining
+ * a copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sublicense, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ *
+ * 1. The above copyright notice and this permission notice shall be
+ * included in all copies or substantial portions of the Software.
+ *
+ * 2. If the Software is incorporated into a build system that allows
+ * selection among a list of target devices, then similar target
+ * devices manufactured by PJRC.COM must be included in the list of
+ * target devices and selectable in the same manner.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
+ * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
+ * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+#ifndef USB_MTP_h_
+#define USB_MTP_h_
+
+#include "usb_desc.h"
+
+#if defined(MTP_INTERFACE)
+
+#include <inttypes.h>
+
+
+// C language implementation
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+void usb_mtp_update(void);
+
+#ifdef __cplusplus
+}
+#endif
+
+// C++ interface
+#ifdef __cplusplus
+class usb_mpt_class
+{
+        public:
+        void begin(void) { }
+        void end(void) { }
+        void update() __attribute__((always_inline)) {
+		usb_mtp_update();
+	}
+	private:
+};
+
+extern usb_mpt_class MTPDisk;
+
+
+#endif // __cplusplus
+
+#endif // MTP_INTERFACE
+
+#endif // USB_MTP_h_
+

teensy3/usb_undef.h

 #ifdef FLIGHTSIM_RX_SIZE
 #undef FLIGHTSIM_RX_SIZE
 #endif
+#ifdef MTP_INTERFACE
+#undef MTP_INTERFACE
+#endif
+#ifdef MTP_TX_ENDPOINT
+#undef MTP_TX_ENDPOINT
+#endif
+#ifdef MTP_TX_SIZE
+#undef MTP_TX_SIZE
+#endif
+#ifdef MTP_RX_ENDPOINT
+#undef MTP_RX_ENDPOINT
+#endif
+#ifdef MTP_RX_SIZE
+#undef MTP_RX_SIZE
+#endif
+#ifdef MTP_EVENT_ENDPOINT
+#undef MTP_EVENT_ENDPOINT
+#endif
+#ifdef MTP_EVENT_SIZE
+#undef MTP_EVENT_SIZE
+#endif
+#ifdef MTP_EVENT_INTERVAL
+#undef MTP_EVENT_INTERVAL
+#endif
 #ifdef ENDPOINT1_CONFIG
 #undef ENDPOINT1_CONFIG
 #endif