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) 2015, Arduino LLC
**
** Original code (pre-library): Copyright (c) 2011, Peter Barrett
**
** 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.
*/
#include "PluggableUSB.h"
#include "HID.h"
#if defined(USBCON)
HID_ HID;
static u8 HID_ENDPOINT_INT;
//================================================================================
//================================================================================
// HID report descriptor
#define LSB(_x) ((_x) & 0xFF)
#define MSB(_x) ((_x) >> 8)
#define RAWHID_USAGE_PAGE 0xFFC0
#define RAWHID_USAGE 0x0C00
#define RAWHID_TX_SIZE 64
#define RAWHID_RX_SIZE 64
static u8 HID_INTERFACE;
HIDDescriptor _hidInterface;
static HIDDescriptorListNode* rootNode = NULL;
static uint16_t sizeof_hidReportDescriptor = 0;
static uint8_t modules_count = 0;
//================================================================================
//================================================================================
// Driver
u8 _hid_protocol = 1;
u8 _hid_idle = 1;
int HID_GetInterface(u8* interfaceNum)
{
interfaceNum[0] += 1; // uses 1
_hidInterface =
{
D_INTERFACE(HID_INTERFACE,1,3,0,0),
D_HIDREPORT(sizeof_hidReportDescriptor),
D_ENDPOINT(USB_ENDPOINT_IN (HID_ENDPOINT_INT),USB_ENDPOINT_TYPE_INTERRUPT,USB_EP_SIZE,0x01)
};
return USB_SendControl(0,&_hidInterface,sizeof(_hidInterface));
}
int HID_GetDescriptor(int8_t t)
{
if (HID_REPORT_DESCRIPTOR_TYPE == t) {
HIDDescriptorListNode* current = rootNode;
int total = 0;
while(current != NULL) {
total += USB_SendControl(TRANSFER_PGM,current->cb->descriptor,current->cb->length);
current = current->next;
}
return total;
} else {
return 0;
}
}
void HID_::AppendDescriptor(HIDDescriptorListNode *node)
{
if (modules_count == 0) {
rootNode = node;
} else {
HIDDescriptorListNode *current = rootNode;
while(current->next != NULL) {
current = current->next;
}
current->next = node;
}
modules_count++;
sizeof_hidReportDescriptor += (uint16_t)node->cb->length;
}
void HID_::SendReport(u8 id, const void* data, int len)
{
USB_Send(HID_TX, &id, 1);
USB_Send(HID_TX | TRANSFER_RELEASE,data,len);
}
bool HID_Setup(USBSetup& setup, u8 i)
{
if (HID_INTERFACE != i) {
return false;
} else {
u8 r = setup.bRequest;
u8 requestType = setup.bmRequestType;
if (REQUEST_DEVICETOHOST_CLASS_INTERFACE == requestType)
{
if (HID_GET_REPORT == r)
{
//HID_GetReport();
return true;
}
if (HID_GET_PROTOCOL == r)
{
//Send8(_hid_protocol); // TODO
return true;
}
}
if (REQUEST_HOSTTODEVICE_CLASS_INTERFACE == requestType)
{
if (HID_SET_PROTOCOL == r)
{
_hid_protocol = setup.wValueL;
return true;
}
if (HID_SET_IDLE == r)
{
_hid_idle = setup.wValueL;
return true;
}
}
return false;
}
}
HID_::HID_(void)
{
static uint8_t endpointType[1];
endpointType[0] = EP_TYPE_INTERRUPT_IN;
static PUSBCallbacks cb = {
.setup = &HID_Setup,
.getInterface = &HID_GetInterface,
.getDescriptor = &HID_GetDescriptor,
.numEndpoints = 1,
.numInterfaces = 1,
.endpointType = endpointType,
};
static PUSBListNode node(&cb);
HID_ENDPOINT_INT = PUSB_AddFunction(&node, &HID_INTERFACE);
}
int HID_::begin(void)
{
}
#endif /* if defined(USBCON) */
|
