2 * Copyright (C) 2009 Ubixum, Inc.
4 * This library is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU Lesser General Public
6 * License as published by the Free Software Foundation; either
7 * version 2.1 of the License, or (at your option) any later version.
9 * This library is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 * Lesser General Public License for more details.
14 * You should have received a copy of the GNU Lesser General Public
15 * License along with this library; if not, write to the Free Software
16 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
32 void readep0( BYTE* dst, WORD len) {
33 WORD read = 0; // n bytes read
37 // NOTE need syncdelay?
38 EP0BCL = 0; // re-arm ep so host can send more
39 while (EP0CS & bmEPBUSY);
40 avail = EP0BCL; // max size fits in one byte (64 bytes)
42 dst[read+c] = EP0BUF[c];
48 void writeep0( BYTE* src, WORD len) {
51 while ( written < len ) {
52 while ( EP0CS & bmEPBUSY ); // wait
53 for (c=0;c<64 && written<len;++c ) {
54 EP0BUF[c] = src[written++];
58 printf ( "Write %d bytes\n", c );