mirror of
https://github.com/arduino/Arduino.git
synced 2024-12-04 15:24:12 +01:00
149 lines
3.6 KiB
C++
149 lines
3.6 KiB
C++
/* 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;
|
|
|
|
//================================================================================
|
|
//================================================================================
|
|
// HID Interface
|
|
|
|
HIDDescriptor _hidInterface;
|
|
|
|
static HIDDescriptorListNode* rootNode = NULL;
|
|
static uint16_t sizeof_hidReportDescriptor = 0;
|
|
static uint8_t modules_count = 0;
|
|
static uint8_t epType[] = { EP_TYPE_INTERRUPT_IN };
|
|
|
|
//================================================================================
|
|
//================================================================================
|
|
// Driver
|
|
|
|
uint8_t _hid_protocol = 1;
|
|
uint8_t _hid_idle = 1;
|
|
|
|
int HID_GetInterface(uint8_t* 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()), 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->data,current->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->length;
|
|
}
|
|
|
|
void HID_::SendReport(uint8_t id, const void* data, int len)
|
|
{
|
|
USB_Send(HID.endpoint(), &id, 1);
|
|
USB_Send(HID.endpoint() | TRANSFER_RELEASE,data,len);
|
|
}
|
|
|
|
bool HID_Setup(USBSetup& setup, uint8_t i)
|
|
{
|
|
if (HID.interface() != i) {
|
|
return false;
|
|
} else {
|
|
uint8_t r = setup.bRequest;
|
|
uint8_t 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)
|
|
{
|
|
setup = &HID_Setup;
|
|
getInterface = &HID_GetInterface;
|
|
getDescriptor = &HID_GetDescriptor;
|
|
numEndpoints = 1;
|
|
numInterfaces = 1;
|
|
endpointType = epType;
|
|
|
|
PluggableUSB.plug(this);
|
|
}
|
|
|
|
int HID_::begin(void)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
#endif /* if defined(USBCON) */
|