00001 #ifndef _DEV_AHDLC_H_ 00002 #define _DEV_AHDLC_H_ 00003 00004 /* 00005 * Copyright (C) 2001-2003 by egnite Software GmbH. All rights reserved. 00006 * 00007 * Redistribution and use in source and binary forms, with or without 00008 * modification, are permitted provided that the following conditions 00009 * are met: 00010 * 00011 * 1. Redistributions of source code must retain the above copyright 00012 * notice, this list of conditions and the following disclaimer. 00013 * 2. Redistributions in binary form must reproduce the above copyright 00014 * notice, this list of conditions and the following disclaimer in the 00015 * documentation and/or other materials provided with the distribution. 00016 * 3. Neither the name of the copyright holders nor the names of 00017 * contributors may be used to endorse or promote products derived 00018 * from this software without specific prior written permission. 00019 * 00020 * THIS SOFTWARE IS PROVIDED BY EGNITE SOFTWARE GMBH AND CONTRIBUTORS 00021 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 00022 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS 00023 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL EGNITE 00024 * SOFTWARE GMBH OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, 00025 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, 00026 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS 00027 * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED 00028 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 00029 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF 00030 * THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 00031 * SUCH DAMAGE. 00032 * 00033 * For additional information see http://www.ethernut.de/ 00034 */ 00035 00036 /* 00037 * $Log: ahdlc.h,v $ 00038 * Revision 1.1.1.1 2003/05/09 14:41:05 haraldkipp 00039 * Initial using 3.2.1 00040 * 00041 * Revision 1.2 2003/05/06 18:40:28 harald 00042 * Unused items removed 00043 * 00044 * Revision 1.1 2003/03/31 14:53:23 harald 00045 * Prepare release 3.1 00046 * 00047 */ 00048 00049 #include <dev/netbuf.h> 00050 #include <net/if_var.h> 00051 00052 00058 /* 00059 * Significant octet values. 00060 */ 00061 #define AHDLC_ALLSTATIONS 0xff 00062 #define AHDLC_UI 0x03 00063 #define AHDLC_FLAG 0x7e 00064 #define AHDLC_ESCAPE 0x7d 00065 #define AHDLC_TRANS 0x20 00067 /* 00068 * Values for FCS calculations. 00069 */ 00070 #define AHDLC_INITFCS 0xffff 00071 #define AHDLC_GOODFCS 0xf0b8 00079 struct _AHDLCDCB { 00080 00083 u_long dcb_modeflags; 00084 00087 u_long dcb_statusflags; 00088 00091 u_long dcb_rtimeout; 00092 00095 u_long dcb_wtimeout; 00096 00102 HANDLE dcb_tx_rdy; 00103 00109 HANDLE dcb_rx_rdy; 00110 00116 u_char dcb_base; 00117 00123 volatile u_char *dcb_rx_buf; 00124 00129 volatile u_char dcb_rx_idx; 00130 00133 u_char dcb_rd_idx; 00134 00137 u_char *dcb_tx_buf; 00138 00143 volatile u_char dcb_tx_idx; 00144 00147 u_char dcb_wr_idx; 00148 00154 HANDLE dcb_mf_evt; 00155 00158 u_long dcb_rx_accm; 00159 00162 u_long dcb_tx_accm; 00163 00166 u_short dcb_rx_mru; 00167 00170 u_short dcb_tx_mru; 00171 00172 }; 00173 00177 typedef struct _AHDLCDCB AHDLCDCB; 00178 00179 00180 #endif 00181