blob: 5513c56910552ccd7f6939928e8fea19670d1163 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
|
/***************************************************************************
* __________ __ ___.
* 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"
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(int endpoint)
{
switch (endpoint) {
case EP_RX:
logf("serial: %s", transfer_buffer);
/* re-prime endpoint */
usb_drv_recv(EP_RX, transfer_buffer, sizeof _transfer_buffer);
/* echo back :) */
usb_drv_send(EP_TX, transfer_buffer, sizeof transfer_buffer);
break;
case EP_TX:
break;
}
}
/* called by usb_core_control_request() */
bool usb_serial_control_request(struct usb_ctrlrequest* req)
{
/* note: interrupt context */
bool handled = false;
switch (req->bRequest) {
case USB_REQ_SET_CONFIGURATION:
logf("serial: set config");
/* prime rx endpoint */
usb_drv_recv(EP_RX, transfer_buffer, sizeof _transfer_buffer);
handled = true;
break;
default:
logf("serial: unhandeld req %d", req->bRequest);
}
return handled;
}
|
