| 1 | /*----------------------------------------------------------------------------- | 
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| 2 | nmts.h -- NMT Slave, Node | 
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| 3 |  | 
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| 4 | Copyright (c) 1994 JANZ Computer AG | 
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| 5 | All Rights Reserved | 
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| 6 |  | 
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| 7 | Created 94/10/11 by Soenke Hansen | 
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| 8 | Version 1.17 of 99/04/26 | 
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| 9 |  | 
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| 10 | Various definitions: NMT Address type, NMT command specifiers, node states, | 
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| 11 | macros for data indicated to the NMT User. | 
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| 12 | Prototypes of functions defined in nmts.c. | 
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| 13 |  | 
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| 14 | -----------------------------------------------------------------------------*/ | 
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| 15 |  | 
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| 16 |  | 
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| 17 | #ifndef nmts_DEFINED | 
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| 18 | #define nmts_DEFINED | 
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| 19 |  | 
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| 20 | #ifdef __cplusplus | 
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| 21 | extern "C" { | 
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| 22 | #endif | 
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| 23 |  | 
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| 24 | #include "defs.h" | 
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| 25 | #include "msg.h" | 
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| 26 |  | 
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| 27 | /* Components of service confirmation message */ | 
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| 28 | #define nmts_state      u.m1.w[0]       /* Node State */ | 
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| 29 | #define nmts_error      u.m1.w[0]       /* Node Error */ | 
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| 30 | #define nmts_errcode    u.m1.w[1]       /* error code ident. from BCAN_EVENT */ | 
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| 31 | #define nmts_errcode_e0 u.m1.w[2]       /*   BCAN_EVENT additional infos */ | 
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| 32 | #define nmts_errcode_e1 u.m1.w[3]       /*   BCAN_EVENT additional infos */ | 
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| 33 | #define nmts_errcode_e2 u.m1.w[4]       /*   BCAN_EVENT additional infos */ | 
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| 34 | #define nmts_errcode_e3 u.m1.w[5]       /*   BCAN_EVENT additional infos */ | 
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| 35 | #define nmts_keep       u.m2.b[2]       /* Node Prepare Protocol */ | 
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| 36 |  | 
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| 37 | /* Values of node error flag nmts_error */ | 
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| 38 | #define NE_LOCAL_OCCURRED       0x0003  /* local error occurred */ | 
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| 39 | #define NE_LOCAL_RESOLVED       0x0002  /* local error resolved */ | 
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| 40 | #define NE_REMOTE_OCCURRED      0x000c  /* remote error occurred */ | 
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| 41 | #define NE_REMOTE_RESOLVED      0x0008  /* remote error resolved */ | 
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| 42 |  | 
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| 43 | /* Components of configuration message (spec == M_NMTS_*) */ | 
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| 44 | #define nmts_conf_subspec_lo    u.m1.w[0]       /* subspec low */ | 
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| 45 | #define nmts_conf_subspec_hi    u.m1.w[1]       /* subspec high */ | 
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| 46 |  | 
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| 47 | #define nmts_conf_errspec       u.m1.w[2]       /* error specifier */ | 
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| 48 |  | 
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| 49 | #define nmts_conf_fail_reason   u.m1.w[2]       /* failure reason */ | 
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| 50 | #define nmts_conf_appl_spec_a   u.m1.w[3]       /* application specific a */ | 
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| 51 | #define nmts_conf_appl_spec_b   u.m1.w[4]       /* application specific b */ | 
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| 52 | #define nmts_conf_appl_spec_c   u.m1.w[5]       /* application specific c */ | 
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| 53 | #define nmts_conf_appl_spec_d   u.m1.w[6]       /* application specific d */ | 
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| 54 |  | 
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| 55 | #define nmts_conf_verify_cs_a   u.m1.w[2]       /* verify checksum a */ | 
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| 56 | #define nmts_conf_verify_cs_b   u.m1.w[3]       /* verify checksum b */ | 
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| 57 | #define nmts_conf_verify_cs_c   u.m1.w[4]       /* verify checksum c */ | 
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| 58 | #define nmts_conf_verify_cs_d   u.m1.w[5]       /* verify checksum d */ | 
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| 59 |  | 
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| 60 | /* Type definition of NMT address */ | 
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| 61 | struct nmt_addr { | 
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| 62 | BYTE_t  modname[8];     /* module name */ | 
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| 63 | BYTE_t  modid;          /* module Id */ | 
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| 64 | }; | 
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| 65 | #if TYPEDEFS == 1 | 
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| 66 | typedef struct nmt_addr NmtAddr; | 
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| 67 | #else | 
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| 68 | #define NmtAddr struct nmt_addr | 
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| 69 | #endif | 
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| 70 |  | 
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| 71 | /* Copy an NMT Address */ | 
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| 72 | extern void NmtAddrCopy( | 
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| 73 | NmtAddr *,      /* target address */ | 
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| 74 | NmtAddr *       /* source address */ | 
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| 75 | ); | 
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| 76 |  | 
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| 77 | /* The Node State */ | 
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| 78 | extern int NodeState; | 
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| 79 |  | 
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| 80 | /* Node State values */ | 
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| 81 | #define DISCONNECTED            1 | 
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| 82 | #define CONNECTING              2 | 
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| 83 | #define PREPARING               3 | 
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| 84 | #define PREPARED                4 | 
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| 85 | #define OPERATIONAL             5 | 
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| 86 | #define PRE_OPERATIONAL         127 | 
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| 87 |  | 
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| 88 | /* The Node Id */ | 
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| 89 | extern BYTE_t NodeId; | 
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| 90 |  | 
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| 91 | /* There are three CAL Objects associated with the NMT Slave */ | 
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| 92 | extern struct calo *NodeO;      /* receives COBs with Id=0 */ | 
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| 93 | extern struct calo *NmtSlave;   /* receives COBs with Id=2026 */ | 
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| 94 | extern struct calo *NodeErrO;   /* receives guarding COBs, Node Events */ | 
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| 95 |  | 
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| 96 | /* Command specifiers in NMT Protocol with COB-ID=0 */ | 
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| 97 | #define NMT_CS_START              1     /* Start Node, COB-ID=0 */ | 
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| 98 | #define NMT_CS_STOP               2     /* Stop Node, COB-ID=0 */ | 
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| 99 | #define NMT_CS_DISCONNECT         3     /* Disconnect Node, COB-ID=0 */ | 
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| 100 |  | 
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| 101 | /* Command specifiers in NMT Protocol with COB-ID=0 relevant for CANopen */ | 
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| 102 | #define NMT_CS_ENTER_PRE_OPERATIONAL    128  /* enter pre-operational state */ | 
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| 103 | #define NMT_CS_RESET_NODE               129  /* Reset Node */ | 
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| 104 | #define NMT_CS_RESET_COMMUNICATION      130  /* Reset Communication */ | 
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| 105 |  | 
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| 106 | /* Command specifiers in NMT Protocol with COB-IDs=2025,2026 */ | 
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| 107 | #define NMT_CS_CONNECT_NAME       1     /* Node Connect, Module Name */ | 
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| 108 | #define NMT_CS_CONNECT_ID         4     /* Node Connect, Module Id */ | 
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| 109 | #define NMT_CS_CONNECT_ASSIGN     2     /* Node Connect, assign phase */ | 
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| 110 | #define NMT_CS_PREPARE            3     /* Node Prepare */ | 
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| 111 | #define NMT_CS_CONFIG             5     /* Configuration Service */ | 
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| 112 | #define NMT_CS_IDENTIFY           6     /* Node Identify */ | 
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| 113 |  | 
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| 114 | /* Nil command specifier */ | 
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| 115 | #define NMT_CS_NIL                0     /* not used by protocols */ | 
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| 116 |  | 
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| 117 |  | 
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| 118 | /* timepoint of guard start: */ | 
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| 119 | #define START_AT_IDENTIFY       0x01    /* receiving of a identify msg */ | 
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| 120 | #define START_AT_GUARD_ID_RX    0x02    /* receiving on guard ID */ | 
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| 121 |  | 
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| 122 | #define NMTS_CONF_DOWNLOAD_ACK  0x01    /* mux: configure nmt slave to use */ | 
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| 123 | /* acknowledge at configuration */ | 
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| 124 | /* download */ | 
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| 125 | #define NMTS_CONF_DL_ACK_OFF    0x00    /* flag: use acknowledge */ | 
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| 126 | #define NMTS_CONF_DL_ACK_ON     0x01    /* flag: don't use acknowledge (dflt.)*/ | 
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| 127 |  | 
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| 128 | /* Subsequent command (sub-) specifiers in Nmt Configuration protocol */ | 
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| 129 | #define NMT_CONF_DIR_NO         0 | 
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| 130 | #define NMT_CONF_DIR_UPLOAD     1 | 
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| 131 | #define NMT_CONF_DIR_DOWNLOAD   2 | 
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| 132 | /* master commands */ | 
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| 133 | #define NMT_MCS_DL_SEGMENT_REQ  0 | 
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| 134 | #define NMT_MCS_INITIATE_DL_REQ 0x20 | 
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| 135 | #define NMT_MCS_INITIATE_UL_REQ 0x40 | 
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| 136 | #define NMT_MCS_UL_SEGMENT_REQ  0x60 | 
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| 137 | #define NMT_MCS_ABORT_CONF_REQ  0x80 | 
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| 138 | #define NMT_MCS_VERIFY_CONF_REQ 0xa0 | 
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| 139 | #define MCS_MASK                0xe0 | 
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| 140 |  | 
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| 141 | /* slave commands */ | 
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| 142 | #define NMT_SCS_UL_SEGMENT_RES  0 | 
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| 143 | #define NMT_SCS_DL_SEGMENT_RES  0x20 | 
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| 144 | #define NMT_SCS_INITIATE_UL_RES 0x40 | 
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| 145 | #define NMT_SCS_INITIATE_DL_RES 0x60 | 
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| 146 | #define NMT_SCS_ABORT_CONF_REQ  0x80 | 
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| 147 | #define NMT_SCS_VERIFY_CONF_RES 0xa0 | 
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| 148 | #define SCS_MASK                0xe0 | 
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| 149 |  | 
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| 150 | #define NMT_CONFIG_TOGGLE       0x10 | 
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| 151 |  | 
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| 152 | /* leaving place for 2 byte subspec, 4 byte whole */ | 
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| 153 | /* size, 1 byte dblk-size and 1 byte cs */ | 
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| 154 | #define NMT_CONFIG_HEAD_SIZE    8 | 
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| 155 | #define NMT_CONFIG_DBLK_SIZE    MSGLEN - NMT_CONFIG_HEAD_SIZE | 
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| 156 | #define NMT_CONFIG_MORE_SEG_INDICATOR   0x01    /* bit position in protocol */ | 
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| 157 | #define NMT_CONFIG_MORE_BYTES           0 | 
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| 158 | #define NMT_CONFIG_NOMORE_BYTES         1 | 
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| 159 |  | 
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| 160 | #define NMT_CONFIG_MAX_SEG_DATA 5 | 
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| 161 | #define NMT_CONFIG_SIZE_INDICATOR       0x01 | 
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| 162 |  | 
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| 163 | /* bitpositions in cs to user */ | 
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| 164 | #define NMT_MORE        1               /* more date will follow */ | 
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| 165 | #define NMT_SUCCESS     4               /* success indication */ | 
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| 166 |  | 
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| 167 | /* indication of success/fail of last nmt transfer */ | 
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| 168 | #define NMT_CONFIG_TRANSFER_FAILED      0 | 
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| 169 | #define NMT_CONFIG_TRANSFER_SUCCESS     1 | 
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| 170 | #define XFER_FAIL       NMT_CONFIG_TRANSFER_FAILED | 
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| 171 | #define XFER_SUCC       NMT_CONFIG_TRANSFER_SUCCESS | 
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| 172 |  | 
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| 173 | /* Allocate and initialize NMT Slave */ | 
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| 174 | extern void InitNmtS( | 
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| 175 | WORD_t  ,       /* timeout interval */ | 
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| 176 | void    (*)()   /* user handler indication/confirmation */ | 
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| 177 | ); | 
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| 178 |  | 
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| 179 | /* Deallocate NMT Slave */ | 
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| 180 | extern void DeleteNmtS(void); | 
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| 181 |  | 
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| 182 | /* Create Node Service */ | 
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| 183 | extern void CreateNode(NmtAddr *, unsigned); | 
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| 184 |  | 
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| 185 | /* Create CANopen Node Service */ | 
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| 186 | extern void CreateCOPNode(NmtAddr *, unsigned); | 
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| 187 |  | 
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| 188 | /* Config CANopen Node Service */ | 
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| 189 | extern void ConfigCOPNode(WORD_t, int, BYTE_t); | 
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| 190 |  | 
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| 191 | /* Delete Node Service */ | 
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| 192 | extern void DeleteNode(void); | 
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| 193 |  | 
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| 194 | /* Identify Node Service */ | 
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| 195 | extern void IdentifyNode(void); | 
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| 196 |  | 
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| 197 | /* Disconnect Node Service */ | 
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| 198 | extern void DisconnectNode(void); | 
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| 199 |  | 
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| 200 | /* Connect Node Service */ | 
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| 201 | extern int ConnectNode(int, WORD_t, BYTE_t); | 
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| 202 |  | 
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| 203 | /* Respond Prepare Remote Node Service */ | 
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| 204 | extern int PrepareRemoteNodeRes(unsigned); | 
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| 205 |  | 
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| 206 | /* Configure Configuration download acknowledge */ | 
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| 207 | extern void NsConfigConfDownloadAck(WORD_t); | 
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| 208 |  | 
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| 209 | /* nmt configuration download acknowledge from user  */ | 
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| 210 | extern void NsConfAckUser(void); | 
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| 211 |  | 
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| 212 | /* Request Abort Configuration */ | 
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| 213 | extern int NsAbortConfigTransferReq(int,int); | 
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| 214 |  | 
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| 215 | /* Response Verify Configuration */ | 
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| 216 | extern int NsVerifyConfigTransferRes(BYTE_t, BYTE_t); | 
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| 217 |  | 
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| 218 | #ifdef __cplusplus | 
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| 219 | } | 
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| 220 | #endif | 
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| 221 |  | 
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| 222 | #endif /* !nmts_DEFINED */ | 
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