mirror of
https://github.com/arduino/Arduino.git
synced 2024-12-13 23:48:46 +01:00
146 lines
3.4 KiB
C++
146 lines
3.4 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)
|
|
|
|
//#define RAWHID_ENABLED
|
|
|
|
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;
|
|
|
|
//================================================================================
|
|
//================================================================================
|
|
// Driver
|
|
|
|
u8 _hid_protocol = 1;
|
|
u8 _hid_idle = 1;
|
|
|
|
int8_t WEAK HID_GetInterface(u8* interfaceNum)
|
|
{
|
|
interfaceNum[0] += 1; // uses 1
|
|
return USB_SendControl(0,&_hidInterface,sizeof(_hidInterface));
|
|
}
|
|
|
|
int8_t WEAK HID_GetDescriptor(int8_t t)
|
|
{
|
|
if (HID_REPORT_DESCRIPTOR_TYPE == t) {
|
|
return USB_SendControl(TRANSFER_PGM,_hidReportDescriptor,getsizeof_hidReportDescriptor());
|
|
} else {
|
|
return 0;
|
|
}
|
|
}
|
|
|
|
void WEAK HID_SendReport(u8 id, const void* data, int len)
|
|
{
|
|
USB_Send(HID_TX, &id, 1);
|
|
USB_Send(HID_TX | TRANSFER_RELEASE,data,len);
|
|
}
|
|
|
|
bool WEAK HID_Setup(Setup& 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;
|
|
}
|
|
}
|
|
|
|
// to be called by begin(), will trigger USB disconnection and reconnection
|
|
int8_t HID_Plug(void)
|
|
{
|
|
PUSBCallbacks cb;
|
|
|
|
cb.setup = &HID_Setup;
|
|
cb.getInterface = &HID_GetInterface;
|
|
cb.getDescriptor = &HID_GetDescriptor;
|
|
cb.numEndpoints = 1;
|
|
cb.endpointType[0] = EP_TYPE_INTERRUPT_IN;
|
|
HID_ENDPOINT_INT = PUSB_AddFunction(&cb, &HID_INTERFACE);
|
|
|
|
_hidInterface =
|
|
{
|
|
D_INTERFACE(HID_INTERFACE,1,3,0,0),
|
|
D_HIDREPORT(getsizeof_hidReportDescriptor()),
|
|
D_ENDPOINT(USB_ENDPOINT_IN (HID_ENDPOINT_INT),USB_ENDPOINT_TYPE_INTERRUPT,0x40,0x01)
|
|
};
|
|
|
|
return HID_ENDPOINT_INT;
|
|
}
|
|
|
|
HID_::HID_(void)
|
|
{
|
|
}
|
|
|
|
int HID_::begin(void)
|
|
{
|
|
return HID_Plug();
|
|
}
|
|
|
|
#endif /* if defined(USBCON) */
|