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/***************************************************************************
* __________ __ ___.
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
* \/ \/ \/ \/ \/
* $Id: $
*
* Copyright (C) 2007 by Christian Gmeiner
*
* All files in this archive are subject to the GNU General Public License.
* See the file COPYING in the source tree root for full license agreement.
*
* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
* KIND, either express or implied.
*
****************************************************************************/
#include "system.h"
#include "usb_core.h"
#include "usb_drv.h"
//#define LOGF_ENABLE
#include "logf.h"
#ifdef USB_SERIAL
static unsigned char _transfer_buffer[16];
static unsigned char* transfer_buffer;
/* called by usb_code_init() */
void usb_serial_init(void)
{
logf("serial: init");
transfer_buffer = (void*)UNCACHED_ADDR(&_transfer_buffer);
}
/* called by usb_core_transfer_complete() */
void usb_serial_transfer_complete(bool in, int status, int length)
{
int i;
switch (in) {
case false:
logf("serial: %s", transfer_buffer);
/* Data received. Send it back */
for(i=0;i<length;i++) {
if(transfer_buffer[i]>0x40 && transfer_buffer[i]<0x5b)
transfer_buffer[i]+=0x20;
else if(transfer_buffer[i]>0x60 && transfer_buffer[i]<0x7b)
transfer_buffer[i]-=0x20;
}
usb_drv_send_nonblocking(EP_SERIAL, transfer_buffer, length);
break;
case true:
/* Data sent out (maybe correctly, but we don't actually care.
* Re-prime read endpoint */
usb_drv_recv(EP_SERIAL, transfer_buffer, sizeof _transfer_buffer);
break;
}
}
/* called by usb_core_control_request() */
bool usb_serial_control_request(struct usb_ctrlrequest* req)
{
bool handled = false;
switch (req->bRequest) {
case USB_REQ_SET_CONFIGURATION:
logf("serial: set config");
/* prime rx endpoint */
usb_drv_recv(EP_SERIAL, transfer_buffer, sizeof _transfer_buffer);
handled = true;
break;
default:
logf("serial: unhandeld req %d", req->bRequest);
}
return handled;
}
#endif /*USB_SERIAL*/
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