86 lines
2.0 KiB
C++
86 lines
2.0 KiB
C++
/*
|
|
PluggableUSB.cpp
|
|
Copyright (c) 2015 Arduino LLC
|
|
|
|
This library is free software; you can redistribute it and/or
|
|
modify it under the terms of the GNU Lesser General Public
|
|
License as published by the Free Software Foundation; either
|
|
version 2.1 of the License, or (at your option) any later version.
|
|
|
|
This library is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
Lesser General Public License for more details.
|
|
|
|
You should have received a copy of the GNU Lesser General Public
|
|
License along with this library; if not, write to the Free Software
|
|
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
|
|
*/
|
|
|
|
#include "USBAPI.h"
|
|
#include "PluggableUSB.h"
|
|
|
|
#if defined(USBCON)
|
|
#ifdef PLUGGABLE_USB_ENABLED
|
|
|
|
#define MAX_MODULES 6
|
|
|
|
static u8 startIf = CDC_ACM_INTERFACE + CDC_INTERFACE_COUNT;
|
|
static u8 firstEp = CDC_FIRST_ENDPOINT + CDC_ENPOINT_COUNT;
|
|
|
|
static u8 lastIf = CDC_ACM_INTERFACE + CDC_INTERFACE_COUNT;
|
|
static u8 lastEp = CDC_FIRST_ENDPOINT + CDC_ENPOINT_COUNT;
|
|
|
|
extern u8 _initEndpoints[];
|
|
|
|
PUSBCallbacks cbs[MAX_MODULES];
|
|
u8 modules_count = 0;
|
|
|
|
int PUSB_GetInterface(u8* interfaceNum)
|
|
{
|
|
int ret = 0;
|
|
for (u8 i=0; i<modules_count; i++) {
|
|
ret = cbs[i].getInterface(interfaceNum);
|
|
}
|
|
return ret;
|
|
}
|
|
|
|
int PUSB_GetDescriptor(int t)
|
|
{
|
|
int ret = 0;
|
|
for (u8 i=0; i<modules_count && ret == 0; i++) {
|
|
ret = cbs[i].getDescriptor(t);
|
|
}
|
|
return ret;
|
|
}
|
|
|
|
bool PUSB_Setup(Setup& setup, u8 j)
|
|
{
|
|
bool ret = false;
|
|
for (u8 i=0; i<modules_count && ret == false; i++) {
|
|
ret = cbs[i].setup(setup, j);
|
|
}
|
|
return ret;
|
|
}
|
|
|
|
int PUSB_AddFunction(PUSBCallbacks *cb, u8* interface)
|
|
{
|
|
if (modules_count >= MAX_MODULES) {
|
|
return 0;
|
|
}
|
|
cbs[modules_count] = *cb;
|
|
|
|
*interface = lastIf;
|
|
lastIf++;
|
|
for ( u8 i = 0; i< cb->numEndpoints; i++) {
|
|
_initEndpoints[lastEp] = cb->endpointType[i];
|
|
lastEp++;
|
|
}
|
|
modules_count++;
|
|
return lastEp-1;
|
|
// restart USB layer???
|
|
}
|
|
|
|
#endif
|
|
|
|
#endif /* if defined(USBCON) */ |