75 lines
2.2 KiB
C
75 lines
2.2 KiB
C
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/***************************************************************************
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* __________ __ ___.
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* Open \______ \ ____ ____ | | _\_ |__ _______ ___
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* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
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* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
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* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
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* \/ \/ \/ \/ \/
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* $Id: $
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*
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* Copyright (C) 2007 by Christian Gmeiner
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*
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* All files in this archive are subject to the GNU General Public License.
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* See the file COPYING in the source tree root for full license agreement.
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*
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* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
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* KIND, either express or implied.
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*
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****************************************************************************/
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#include "system.h"
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#include "usb_core.h"
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#include "usb_drv.h"
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//#define LOGF_ENABLE
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#include "logf.h"
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static unsigned char _transfer_buffer[16];
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static unsigned char* transfer_buffer;
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/* called by usb_code_init() */
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void usb_serial_init(void)
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{
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logf("serial: init");
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transfer_buffer = (void*)UNCACHED_ADDR(&_transfer_buffer);
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}
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/* called by usb_core_transfer_complete() */
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void usb_serial_transfer_complete(int endpoint)
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{
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switch (endpoint) {
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case EP_RX:
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logf("serial: %s", transfer_buffer);
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/* re-prime endpoint */
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usb_drv_recv(EP_RX, transfer_buffer, sizeof _transfer_buffer);
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/* echo back :) */
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usb_drv_send(EP_TX, transfer_buffer, sizeof transfer_buffer);
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break;
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case EP_TX:
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break;
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}
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}
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/* called by usb_core_control_request() */
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bool usb_serial_control_request(struct usb_ctrlrequest* req)
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{
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/* note: interrupt context */
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bool handled = false;
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switch (req->bRequest) {
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case USB_REQ_SET_CONFIGURATION:
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logf("serial: set config");
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/* prime rx endpoint */
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usb_drv_recv(EP_RX, transfer_buffer, sizeof _transfer_buffer);
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handled = true;
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break;
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default:
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logf("serial: unhandeld req %d", req->bRequest);
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}
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return handled;
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}
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