forked from felis/USB_Host_Shield_2.0
-
Notifications
You must be signed in to change notification settings - Fork 0
/
usb_ch9.h
166 lines (138 loc) · 9.42 KB
/
usb_ch9.h
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
/* Copyright (C) 2011 Circuits At Home, LTD. All rights reserved.
This software may be distributed and modified under the terms of the GNU
General Public License version 2 (GPL2) as published by the Free Software
Foundation and appearing in the file GPL2.TXT included in the packaging of
this file. Please note that GPL2 Section 2[b] requires that all works based
on this software must also be made publicly available under the terms of
the GPL2 ("Copyleft").
Contact information
-------------------
Circuits At Home, LTD
Web : http://www.circuitsathome.com
e-mail : support@circuitsathome.com
*/
#if !defined(_usb_h_) || defined(_ch9_h_)
#error "Never include usb_ch9.h directly; include Usb.h instead"
#else
/* USB chapter 9 structures */
#define _ch9_h_
/* Misc.USB constants */
#define DEV_DESCR_LEN 18 //device descriptor length
#define CONF_DESCR_LEN 9 //configuration descriptor length
#define INTR_DESCR_LEN 9 //interface descriptor length
#define EP_DESCR_LEN 7 //endpoint descriptor length
/* Standard Device Requests */
#define USB_REQUEST_GET_STATUS 0 // Standard Device Request - GET STATUS
#define USB_REQUEST_CLEAR_FEATURE 1 // Standard Device Request - CLEAR FEATURE
#define USB_REQUEST_SET_FEATURE 3 // Standard Device Request - SET FEATURE
#define USB_REQUEST_SET_ADDRESS 5 // Standard Device Request - SET ADDRESS
#define USB_REQUEST_GET_DESCRIPTOR 6 // Standard Device Request - GET DESCRIPTOR
#define USB_REQUEST_SET_DESCRIPTOR 7 // Standard Device Request - SET DESCRIPTOR
#define USB_REQUEST_GET_CONFIGURATION 8 // Standard Device Request - GET CONFIGURATION
#define USB_REQUEST_SET_CONFIGURATION 9 // Standard Device Request - SET CONFIGURATION
#define USB_REQUEST_GET_INTERFACE 10 // Standard Device Request - GET INTERFACE
#define USB_REQUEST_SET_INTERFACE 11 // Standard Device Request - SET INTERFACE
#define USB_REQUEST_SYNCH_FRAME 12 // Standard Device Request - SYNCH FRAME
#define USB_FEATURE_ENDPOINT_HALT 0 // CLEAR/SET FEATURE - Endpoint Halt
#define USB_FEATURE_DEVICE_REMOTE_WAKEUP 1 // CLEAR/SET FEATURE - Device remote wake-up
#define USB_FEATURE_TEST_MODE 2 // CLEAR/SET FEATURE - Test mode
/* Setup Data Constants */
#define USB_SETUP_HOST_TO_DEVICE 0x00 // Device Request bmRequestType transfer direction - host to device transfer
#define USB_SETUP_DEVICE_TO_HOST 0x80 // Device Request bmRequestType transfer direction - device to host transfer
#define USB_SETUP_TYPE_STANDARD 0x00 // Device Request bmRequestType type - standard
#define USB_SETUP_TYPE_CLASS 0x20 // Device Request bmRequestType type - class
#define USB_SETUP_TYPE_VENDOR 0x40 // Device Request bmRequestType type - vendor
#define USB_SETUP_RECIPIENT_DEVICE 0x00 // Device Request bmRequestType recipient - device
#define USB_SETUP_RECIPIENT_INTERFACE 0x01 // Device Request bmRequestType recipient - interface
#define USB_SETUP_RECIPIENT_ENDPOINT 0x02 // Device Request bmRequestType recipient - endpoint
#define USB_SETUP_RECIPIENT_OTHER 0x03 // Device Request bmRequestType recipient - other
/* USB descriptors */
#define USB_DESCRIPTOR_DEVICE 0x01 // bDescriptorType for a Device Descriptor.
#define USB_DESCRIPTOR_CONFIGURATION 0x02 // bDescriptorType for a Configuration Descriptor.
#define USB_DESCRIPTOR_STRING 0x03 // bDescriptorType for a String Descriptor.
#define USB_DESCRIPTOR_INTERFACE 0x04 // bDescriptorType for an Interface Descriptor.
#define USB_DESCRIPTOR_ENDPOINT 0x05 // bDescriptorType for an Endpoint Descriptor.
#define USB_DESCRIPTOR_DEVICE_QUALIFIER 0x06 // bDescriptorType for a Device Qualifier.
#define USB_DESCRIPTOR_OTHER_SPEED 0x07 // bDescriptorType for a Other Speed Configuration.
#define USB_DESCRIPTOR_INTERFACE_POWER 0x08 // bDescriptorType for Interface Power.
#define USB_DESCRIPTOR_OTG 0x09 // bDescriptorType for an OTG Descriptor.
#define HID_DESCRIPTOR_HID 0x21
/* OTG SET FEATURE Constants */
#define OTG_FEATURE_B_HNP_ENABLE 3 // SET FEATURE OTG - Enable B device to perform HNP
#define OTG_FEATURE_A_HNP_SUPPORT 4 // SET FEATURE OTG - A device supports HNP
#define OTG_FEATURE_A_ALT_HNP_SUPPORT 5 // SET FEATURE OTG - Another port on the A device supports HNP
/* USB Endpoint Transfer Types */
#define USB_TRANSFER_TYPE_CONTROL 0x00 // Endpoint is a control endpoint.
#define USB_TRANSFER_TYPE_ISOCHRONOUS 0x01 // Endpoint is an isochronous endpoint.
#define USB_TRANSFER_TYPE_BULK 0x02 // Endpoint is a bulk endpoint.
#define USB_TRANSFER_TYPE_INTERRUPT 0x03 // Endpoint is an interrupt endpoint.
#define bmUSB_TRANSFER_TYPE 0x03 // bit mask to separate transfer type from ISO attributes
/* Standard Feature Selectors for CLEAR_FEATURE Requests */
#define USB_FEATURE_ENDPOINT_STALL 0 // Endpoint recipient
#define USB_FEATURE_DEVICE_REMOTE_WAKEUP 1 // Device recipient
#define USB_FEATURE_TEST_MODE 2 // Device recipient
/* descriptor data structures */
/* Device descriptor structure */
typedef struct {
uint8_t bLength; // Length of this descriptor.
uint8_t bDescriptorType; // DEVICE descriptor type (USB_DESCRIPTOR_DEVICE).
uint16_t bcdUSB; // USB Spec Release Number (BCD).
uint8_t bDeviceClass; // Class code (assigned by the USB-IF). 0xFF-Vendor specific.
uint8_t bDeviceSubClass; // Subclass code (assigned by the USB-IF).
uint8_t bDeviceProtocol; // Protocol code (assigned by the USB-IF). 0xFF-Vendor specific.
uint8_t bMaxPacketSize0; // Maximum packet size for endpoint 0.
uint16_t idVendor; // Vendor ID (assigned by the USB-IF).
uint16_t idProduct; // Product ID (assigned by the manufacturer).
uint16_t bcdDevice; // Device release number (BCD).
uint8_t iManufacturer; // Index of String Descriptor describing the manufacturer.
uint8_t iProduct; // Index of String Descriptor describing the product.
uint8_t iSerialNumber; // Index of String Descriptor with the device's serial number.
uint8_t bNumConfigurations; // Number of possible configurations.
} __attribute__((packed)) USB_DEVICE_DESCRIPTOR;
/* Configuration descriptor structure */
typedef struct {
uint8_t bLength; // Length of this descriptor.
uint8_t bDescriptorType; // CONFIGURATION descriptor type (USB_DESCRIPTOR_CONFIGURATION).
uint16_t wTotalLength; // Total length of all descriptors for this configuration.
uint8_t bNumInterfaces; // Number of interfaces in this configuration.
uint8_t bConfigurationValue; // Value of this configuration (1 based).
uint8_t iConfiguration; // Index of String Descriptor describing the configuration.
uint8_t bmAttributes; // Configuration characteristics.
uint8_t bMaxPower; // Maximum power consumed by this configuration.
} __attribute__((packed)) USB_CONFIGURATION_DESCRIPTOR;
/* Interface descriptor structure */
typedef struct {
uint8_t bLength; // Length of this descriptor.
uint8_t bDescriptorType; // INTERFACE descriptor type (USB_DESCRIPTOR_INTERFACE).
uint8_t bInterfaceNumber; // Number of this interface (0 based).
uint8_t bAlternateSetting; // Value of this alternate interface setting.
uint8_t bNumEndpoints; // Number of endpoints in this interface.
uint8_t bInterfaceClass; // Class code (assigned by the USB-IF). 0xFF-Vendor specific.
uint8_t bInterfaceSubClass; // Subclass code (assigned by the USB-IF).
uint8_t bInterfaceProtocol; // Protocol code (assigned by the USB-IF). 0xFF-Vendor specific.
uint8_t iInterface; // Index of String Descriptor describing the interface.
} __attribute__((packed)) USB_INTERFACE_DESCRIPTOR;
/* Endpoint descriptor structure */
typedef struct {
uint8_t bLength; // Length of this descriptor.
uint8_t bDescriptorType; // ENDPOINT descriptor type (USB_DESCRIPTOR_ENDPOINT).
uint8_t bEndpointAddress; // Endpoint address. Bit 7 indicates direction (0=OUT, 1=IN).
uint8_t bmAttributes; // Endpoint transfer type.
uint16_t wMaxPacketSize; // Maximum packet size.
uint8_t bInterval; // Polling interval in frames.
} __attribute__((packed)) USB_ENDPOINT_DESCRIPTOR;
/* HID descriptor */
typedef struct {
uint8_t bLength;
uint8_t bDescriptorType;
uint16_t bcdHID; // HID class specification release
uint8_t bCountryCode;
uint8_t bNumDescriptors; // Number of additional class specific descriptors
uint8_t bDescrType; // Type of class descriptor
uint16_t wDescriptorLength; // Total size of the Report descriptor
} __attribute__((packed)) USB_HID_DESCRIPTOR;
typedef struct {
uint8_t bDescrType; // Type of class descriptor
uint16_t wDescriptorLength; // Total size of the Report descriptor
} __attribute__((packed)) HID_CLASS_DESCRIPTOR_LEN_AND_TYPE;
#endif // _ch9_h_