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Dependencies:   mbed

USBHID/usbdevice.h@0:3dbb22992c94, 2011-07-02 (annotated)

Committer:
j3sq
Date:
Sat Jul 02 17:27:05 2011 +0000
Revision:
0:3dbb22992c94
Revision 0.0 (This is just a demonstration)

Who changed what in which revision?

UserRevisionLine numberNew contents of line
j3sq 0:3dbb22992c94 1 /* usbdevice.h */
j3sq 0:3dbb22992c94 2 /* Generic USB device */
j3sq 0:3dbb22992c94 3 /* Copyright (c) Phil Wright 2008 */
j3sq 0:3dbb22992c94 4
j3sq 0:3dbb22992c94 5 #ifndef USBDEVICE_H
j3sq 0:3dbb22992c94 6 #define USBDEVICE_H
j3sq 0:3dbb22992c94 7
j3sq 0:3dbb22992c94 8 #include "usbdc.h"
j3sq 0:3dbb22992c94 9
j3sq 0:3dbb22992c94 10 /* Endpoint packet sizes */
j3sq 0:3dbb22992c94 11 #define MAX_PACKET_SIZE_EP0 (64)
j3sq 0:3dbb22992c94 12
j3sq 0:3dbb22992c94 13 /* bmRequestType.dataTransferDirection */
j3sq 0:3dbb22992c94 14 #define HOST_TO_DEVICE (0)
j3sq 0:3dbb22992c94 15 #define DEVICE_TO_HOST (1)
j3sq 0:3dbb22992c94 16
j3sq 0:3dbb22992c94 17 /* bmRequestType.Type*/
j3sq 0:3dbb22992c94 18 #define STANDARD_TYPE (0)
j3sq 0:3dbb22992c94 19 #define CLASS_TYPE (1)
j3sq 0:3dbb22992c94 20 #define VENDOR_TYPE (2)
j3sq 0:3dbb22992c94 21 #define RESERVED_TYPE (3)
j3sq 0:3dbb22992c94 22
j3sq 0:3dbb22992c94 23 /* bmRequestType.Recipient */
j3sq 0:3dbb22992c94 24 #define DEVICE_RECIPIENT (0)
j3sq 0:3dbb22992c94 25 #define INTERFACE_RECIPIENT (1)
j3sq 0:3dbb22992c94 26 #define ENDPOINT_RECIPIENT (2)
j3sq 0:3dbb22992c94 27 #define OTHER_RECIPIENT (3)
j3sq 0:3dbb22992c94 28
j3sq 0:3dbb22992c94 29 /* Descriptors */
j3sq 0:3dbb22992c94 30 #define DESCRIPTOR_TYPE(wValue) (wValue >> 8)
j3sq 0:3dbb22992c94 31 #define DESCRIPTOR_INDEX(wValue) (wValue & 0xf)
j3sq 0:3dbb22992c94 32
j3sq 0:3dbb22992c94 33 /* Descriptor type */
j3sq 0:3dbb22992c94 34 #define DEVICE_DESCRIPTOR (1)
j3sq 0:3dbb22992c94 35 #define CONFIGURATION_DESCRIPTOR (2)
j3sq 0:3dbb22992c94 36 #define STRING_DESCRIPTOR (3)
j3sq 0:3dbb22992c94 37 #define INTERFACE_DESCRIPTOR (4)
j3sq 0:3dbb22992c94 38 #define ENDPOINT_DESCRIPTOR (5)
j3sq 0:3dbb22992c94 39
j3sq 0:3dbb22992c94 40 typedef struct {
j3sq 0:3dbb22992c94 41 struct {
j3sq 0:3dbb22992c94 42 unsigned char dataTransferDirection;
j3sq 0:3dbb22992c94 43 unsigned char Type;
j3sq 0:3dbb22992c94 44 unsigned char Recipient;
j3sq 0:3dbb22992c94 45 } bmRequestType;
j3sq 0:3dbb22992c94 46 unsigned char bRequest;
j3sq 0:3dbb22992c94 47 unsigned short wValue;
j3sq 0:3dbb22992c94 48 unsigned short wIndex;
j3sq 0:3dbb22992c94 49 unsigned short wLength;
j3sq 0:3dbb22992c94 50 } SETUP_PACKET;
j3sq 0:3dbb22992c94 51
j3sq 0:3dbb22992c94 52 typedef struct {
j3sq 0:3dbb22992c94 53 SETUP_PACKET setup;
j3sq 0:3dbb22992c94 54 unsigned char *ptr;
j3sq 0:3dbb22992c94 55 unsigned long remaining;
j3sq 0:3dbb22992c94 56 unsigned char direction;
j3sq 0:3dbb22992c94 57 bool zlp;
j3sq 0:3dbb22992c94 58 } CONTROL_TRANSFER;
j3sq 0:3dbb22992c94 59
j3sq 0:3dbb22992c94 60 typedef enum {ATTACHED, POWERED, DEFAULT, ADDRESS, CONFIGURED} DEVICE_STATE;
j3sq 0:3dbb22992c94 61
j3sq 0:3dbb22992c94 62 typedef struct {
j3sq 0:3dbb22992c94 63 DEVICE_STATE state;
j3sq 0:3dbb22992c94 64 unsigned char configuration;
j3sq 0:3dbb22992c94 65 bool suspended;
j3sq 0:3dbb22992c94 66 } USB_DEVICE;
j3sq 0:3dbb22992c94 67
j3sq 0:3dbb22992c94 68 class usbdevice : public usbdc
j3sq 0:3dbb22992c94 69 {
j3sq 0:3dbb22992c94 70 public:
j3sq 0:3dbb22992c94 71 usbdevice();
j3sq 0:3dbb22992c94 72 protected:
j3sq 0:3dbb22992c94 73 virtual void endpointEventEP0Setup(void);
j3sq 0:3dbb22992c94 74 virtual void endpointEventEP0In(void);
j3sq 0:3dbb22992c94 75 virtual void endpointEventEP0Out(void);
j3sq 0:3dbb22992c94 76 virtual bool requestSetup(void);
j3sq 0:3dbb22992c94 77 virtual bool requestOut(void);
j3sq 0:3dbb22992c94 78 virtual void deviceEventReset(void);
j3sq 0:3dbb22992c94 79 virtual bool requestGetDescriptor(void);
j3sq 0:3dbb22992c94 80 bool requestSetAddress(void);
j3sq 0:3dbb22992c94 81 virtual bool requestSetConfiguration(void);
j3sq 0:3dbb22992c94 82 virtual bool requestGetConfiguration(void);
j3sq 0:3dbb22992c94 83 bool requestGetStatus(void);
j3sq 0:3dbb22992c94 84 virtual bool requestSetInterface(void);
j3sq 0:3dbb22992c94 85 virtual bool requestGetInterface(void);
j3sq 0:3dbb22992c94 86 bool requestSetFeature(void);
j3sq 0:3dbb22992c94 87 bool requestClearFeature(void);
j3sq 0:3dbb22992c94 88 CONTROL_TRANSFER transfer;
j3sq 0:3dbb22992c94 89 USB_DEVICE device;
j3sq 0:3dbb22992c94 90 private:
j3sq 0:3dbb22992c94 91 bool controlIn(void);
j3sq 0:3dbb22992c94 92 bool controlOut(void);
j3sq 0:3dbb22992c94 93 bool controlSetup(void);
j3sq 0:3dbb22992c94 94 void decodeSetupPacket(unsigned char *data, SETUP_PACKET *packet);
j3sq 0:3dbb22992c94 95 };
j3sq 0:3dbb22992c94 96
j3sq 0:3dbb22992c94 97 #endif