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
|
#include "project.h"
static const uint8_t tablet_report_descriptor[] = {
0x05, 0x01, // USAGE_PAGE (Generic Desktop)
0x09, 0x02, // USAGE (Mouse)
0xa1, 0x01, // COLLECTION (Application)
0x09, 0x01, // USAGE (Pointer)
0xa1, 0x00, // COLLECTION (Physical)
0x05, 0x01, // USAGE_PAGE (Generic Desktop)
0x09, 0x30, // USAGE (X)
0x09, 0x31, // USAGE (Y)
0x15, 0x00, // LOGICAL_MINIMUM (0)
0x26, 0xff, 0x7f, // LOGICAL_MAXIMUM (32767)
0x75, 0x10, // REPORT_SIZE (16)
0x95, 0x02, // REPORT_COUNT (2)
0x81, 0x02, // INPUT (Data,Var,Abs)
0x05, 0x01, // USAGE_PAGE (Generic Desktop)
0x09, 0x38, // USAGE (Wheel)
0x15, 0x81, // LOGICAL_MINIMUM (-127)
0x25, 0x7f, // LOGICAL_MAXIMUM (127)
0x75, 0x08, // REPORT_SIZE (8)
0x95, 0x01, // REPORT_COUNT (1)
0x81, 0x06, // INPUT (Data,Var,Rel)
0x05, 0x09, // USAGE_PAGE (Button)
0x19, 0x01, // USAGE_MINIMUM (Button 1)
0x29, 0x03, // USAGE_MAXIMUM (Button 3)
0x15, 0x00, // LOGICAL_MINIMUM (0)
0x25, 0x01, // LOGICAL_MAXIMUM (1)
0x95, 0x03, // REPORT_COUNT (3)
0x75, 0x01, // REPORT_SIZE (1)
0x81, 0x02, // INPUT (Data,Var,Abs)
0x95, 0x01, // REPORT_COUNT (1)
0x75, 0x05, // REPORT_SIZE (5)
0x81, 0x01, // INPUT (Cnst,Ary,Abs)
0xc0, // END_COLLECTION
0x09, 0x3c, // USAGE (Button 60)
0x06, 0x00, 0xff, // USAGE_PAGE (Vendor Defined Page 1)
0x09, 0x01, // USAGE (Vendor Usage 1)
0x15, 0x00, // LOGICAL_MINIMUM (0)
0x25, 0x01, // LOGICAL_MAXIMUM (1)
0x75, 0x01, // REPORT_SIZE (1)
0x95, 0x02, // REPORT_COUNT (2)
0xb1, 0x22, // FEATURE (Data,Var,Abs,NPrf)
0x75, 0x06, // REPORT_SIZE (6)
0x95, 0x01, // REPORT_COUNT (1)
0xb1, 0x01, // FEATURE (Cnst,Ary,Abs)
0x05, 0x01, /* USAGE_PAGE (Generic Desktop) */
0x09, 0x80, /* USAGE (System Control) */
0xA1, 0x01, /* COLLECTION (Application) */
0x75, 0x02, /* REPORT_SIZE (2) */
0x95, 0x01, /* REPORT_COUNT (1) */
0x15, 0x01, /* LOGICAL_MIN (1) */
0x25, 0x03, /* LOGICAL_MAX (3) */
0x09, 0x82, /* USAGE (System Sleep) */
0x09, 0x81, /* USAGE (System Power Down) */
0x09, 0x83, /* USAGE (System Wake Up) */
0x81, 0x60, /* INPUT (Data Ary Abs NPrf Null) */
0x75, 0x06, /* REPORT_SIZE (6) */
0x81, 0x03, /* INPUT (Cnst Var Abs) */
0xc0, /* END COLLECTION */
0xc0 // END_COLLECTION
};
static const struct
{
struct usb_hid_descriptor hid_descriptor;
struct
{
uint8_t bReportDescriptorType;
uint16_t wDescriptorLength;
} __attribute__ ((packed)) hid_report;
} __attribute__ ((packed)) tablet_function =
{
.hid_descriptor =
{
.bLength = sizeof (tablet_function),.bDescriptorType =
USB_DT_HID,.bcdHID = 0x0100,.bCountryCode = 0,.bNumDescriptors = 1,}
,.hid_report =
{
.bReportDescriptorType = USB_DT_REPORT,.wDescriptorLength =
sizeof (tablet_report_descriptor),}
,};
const struct usb_endpoint_descriptor tablet_endpoint = {
.bLength = USB_DT_ENDPOINT_SIZE,
.bDescriptorType = USB_DT_ENDPOINT,
.bEndpointAddress = 0x83,
.bmAttributes = USB_ENDPOINT_ATTR_INTERRUPT,
.wMaxPacketSize = 7,
.bInterval = 0x1 //0x20,
};
const struct usb_interface_descriptor tablet_iface = {
.bLength = USB_DT_INTERFACE_SIZE,
.bDescriptorType = USB_DT_INTERFACE,
.bInterfaceNumber = 2,
.bAlternateSetting = 0,
.bNumEndpoints = 1,
.bInterfaceClass = USB_CLASS_HID,
.bInterfaceSubClass = 1, /* boot */
.bInterfaceProtocol = 2, /* tablet */
.iInterface = 7,
.endpoint = &tablet_endpoint,
.extra = &tablet_function,
.extralen = sizeof (tablet_function),
};
void
tablet_get_descriptor (uint8_t ** buf, uint16_t * len)
{
/* Handle the HID report descriptor. */
*buf = (uint8_t *) tablet_report_descriptor;
*len = sizeof (tablet_report_descriptor);
}
void
tablet_test (void)
{
static int c = 0;
uint8_t buf[7] = { 0, 0, 0, 0, 0, 0 };
buf[0] = c & 0xff;
buf[1] = (c & 0x7fff) >> 8;
buf[2] = (32767 - (c & 0x7fff)) & 0xff;
buf[3] = (32767 - (c & 0x7fff)) >> 8;
buf[4] = (c & 8) ? -1 : 1;
buf[5] = c;
c++;
usbd_ep_write_packet (usbd_dev, 0x83, buf, 7);
}
|
