tte_common.h

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00001 /* -*- coding: iso-8859-1 -*-
00002  * Copyright (C) 2008 TTTech Computertechnik AG
00003  * ****************************************************************************
00004  * Name
00005  *    tte_common.h
00006  *
00007  * Purpose
00008  *    Data types, constants, and fucntions used in all parts of the design.
00009  *
00010  * Revision Dates
00011  *   06-Mai-2008 Creation
00012  *   02-Dec-2008 (KSE) [29628] Guard defines
00013  *   02-Dec-2008 (KSE) [29628] Changed include names
00014  *   15-Dec-2008 (AAD) [29628] Added error codes
00015  *    ««revision-date»»···
00016  *--
00017  */
00018 
00019 #ifndef TTE_COMMON_H_
00020 #define TTE_COMMON_H_
00021 
00022 #include "tte_environment.h"
00023 
00025 #define MAC_ADDR_LEN          (6u)
00026 
00027 #define DST_MAC_OFFSET        (0u)
00028 #define SRC_MAC_OFFSET        (6u)
00029 #define ETH_TYPE_OFFSET       (12u)
00030 #define ETH_TYPE_LEN          (2u)
00031 #define ETH_DATA_OFFSET       (14u)
00032 #define ETH_HEADER_LEN        (14u)
00033 #define MIN_ETH_DATA_LEN      (46u)
00034 #define MIN_ETH_FRAME_LEN     (64u)
00035 #define MAX_ETH_DATA_LEN      (1500u)
00036 #define MAX_ETH_FRAME_LEN     (1520u)
00037 
00038 /* 16 byte aligned minimum Ethernet frame size */
00039 #define CRC_LEN               (4u)
00040 
00041 #define CLUSTER_ID_LEN        (4u)
00042 #define MAC_MSGID_OFFSET      (4u)
00043 #define MAC_MSGID_LEN         (2u)
00044 
00045 #define SYNC_MSGID            (1u)
00046 
00047 #define CTRL_CNT              (1u)
00048 #define CHANNEL_CNT           (1u)
00049 
00050 #define DOUBLE_BUF_LEN        (2u)
00051 #define DOUBLE_PRECISION      (2u)
00052 
00053 #define TTE_ETH_TYPE          ((uint16_t)0x891D)
00054 
00055 #define  TTE_CTRL_ID          (0u)
00056 
00057 typedef enum {
00058            TTE_FRAME
00059          , SYNC_FRAME
00060          , START_SEGMENT_FRAME
00061          , STOP_SEGMENT_FRAME
00062          , DW_FRAME
00063          , BG_FRAME
00064 } tte_frame_types_t;
00065 
00066 
00067 #endif /* TTE_COMMON_H_ */
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