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 * $Log$ 00038 * Revision 1.2 2008/08/11 06:59:59 haraldkipp 00039 * BSD types replaced by stdint types (feature request #1282721). 00040 * 00041 * Revision 1.1.1.1 2003/05/09 14:41:05 haraldkipp 00042 * Initial using 3.2.1 00043 * 00044 * Revision 1.2 2003/05/06 18:40:28 harald 00045 * Unused items removed 00046 * 00047 * Revision 1.1 2003/03/31 14:53:23 harald 00048 * Prepare release 3.1 00049 * 00050 */ 00051 00052 #include <dev/netbuf.h> 00053 #include <net/if_var.h> 00054 00055 00061 /* 00062 * Significant octet values. 00063 */ 00064 #define AHDLC_ALLSTATIONS 0xff 00065 #define AHDLC_UI 0x03 00066 #define AHDLC_FLAG 0x7e 00067 #define AHDLC_ESCAPE 0x7d 00068 #define AHDLC_TRANS 0x20 00070 /* 00071 * Values for FCS calculations. 00072 */ 00073 #define AHDLC_INITFCS 0xffff 00074 #define AHDLC_GOODFCS 0xf0b8 00082 struct _AHDLCDCB { 00083 00086 uint32_t dcb_modeflags; 00087 00090 uint32_t dcb_statusflags; 00091 00094 uint32_t dcb_rtimeout; 00095 00098 uint32_t dcb_wtimeout; 00099 00105 HANDLE dcb_tx_rdy; 00106 00112 HANDLE dcb_rx_rdy; 00113 00119 uint8_t dcb_base; 00120 00126 volatile uint8_t *dcb_rx_buf; 00127 00132 volatile uint8_t dcb_rx_idx; 00133 00136 uint8_t dcb_rd_idx; 00137 00140 uint8_t *dcb_tx_buf; 00141 00146 volatile uint8_t dcb_tx_idx; 00147 00150 uint8_t dcb_wr_idx; 00151 00157 HANDLE dcb_mf_evt; 00158 00161 uint32_t dcb_rx_accm; 00162 00165 uint32_t dcb_tx_accm; 00166 00169 uint16_t dcb_rx_mru; 00170 00173 uint16_t dcb_tx_mru; 00174 00175 }; 00176 00180 typedef struct _AHDLCDCB AHDLCDCB; 00181 00182 00183 #endif 00184