profichip的示例代码

/*********************** Filename: dp_if.c *********************************/ /* ========================================================================= */ /* */ /* 0000 000 000 00000 0 000 0 0 0 0000 */ /* 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 Einsteinstra�e 6 */ /* 0 0 0 0 0 0 0 0 0 0 0 0 0 0 91074 Herzogenaurach */ /* 0000 000 0 0 000 0 0 00000 0 0000 Germany */ /* 0 00 0 0 0 0 0 0 0 0 0 */ /* 0 0 0 0 0 0 0 0 0 0 0 0 0 Tel: ++49-9132-744-200 */ /* 0 0 0 000 0 0 000 0 0 0 0 GmbH Fax: ++49-9132-744-204 */ /* */ /* ========================================================================= */ /* */ /* Function: interface service routines for VPC3+ (dp-protocol) */ /* */ /* ------------------------------------------------------------------------- */ /* history */ /* ========================================================================= */ /* 08.09.2005 [V5.00] Urversion */ /* 22.10.2005 [V5.01] BugFix: */ /* Dp_cfg.h: */ /* Missing bracket: */ /* #define ASIC_USER_RAM (ASIC_RAM_LENGTH - */ /* DP_ORG_LENGTH - SAP_LENGTH) */ /* DP_VERSION_BUGFIX changed to 0x01 */ /* 09.01.2006 [V5.02] BugFix: */ /* Problem with SIEMENS PLC 318 and Diag.cfg_Fault */ /* The VPC3+/C does not set the default master address */ /* back in the diagnostic telegram to 0xFF. */ /* Software solution in dp_user.c */ /* (named with BugFix 502). */ /* DP_VERSION_BUGFIX changed to 0x02 */ /* 21.02.2006 [V5.03] BugFix: */ /* I&M Functions: Return Codes of NRS-PDUs changed. */ /* profichip has now it's own MANUFACTURER_ID (0x01BC). */ /* BugFix: */ /* The definition of LITTLE_ENDIAN and BIG_ENDIAN is */ /* now correct. */ /* BugFix: */ /* MSAC_C2-connection: Certification Error Ifak - */ /* ILL31 transistion implemented. */ /* After disconnecting profibus cable, an open MSAC-C2 */ /* connection will be closed after timeout (2*F-timer). */ /* Function acls in dp_msac_c1 optimized. */ /* (named with BugFix 503). */ /* DP_VERSION_BUGFIX changed to 0x03 */ /* 13.11.2006 [V5.04] Certification problem ( itm ): */ /* The DPV1-alarms will be checked now in the function */ /* UserChkNewPrmData(). */ /* Certification problem ( procentec ): */ /* The master class 2 sends an initiate.req with out */ /* data and the slave answers with next free SAP. */ /* After then the master class 2 send an initiate.req */ /* with data, the slave should now answer with the same */ /* SAP and not with new SAP. */ /* (named with BugFix 504). */ /* DP_VERSION_BUGFIX changed to 0x04 */ /* 03.08.2009 [V6.00] Supports now VPC3+S */ /* DP_VERSION_BUGFIX changed to 0x00 */ /* 08.08.2009 [V6.01] BugFix: */ /* DP_VERSION_BUGFIX changed to 0x01 */ /* 17.09.2010 [V6.02] BugFix: */ /* Error in function: VPC3_GetMasterAddress */ /* DP_VERSION_BUGFIX changed to 0x02 */ /* 13.12.2010 [V6.03] BugFix: */ /* dp_if.h: add the macro _PACKED_ to all structures */ /* Modification: Prm-, ChkCfg- and SSA-telegram via */ /* help buffer: abPrmCfgSsaHelpBuffer[ HELP_BUFSIZE ]. */ /* DP_VERSION_BUGFIX changed to 0x03 */ /* 15.02.2011 [V6.04] BugFix: */ /* dp_if.h: DxB-macros are wrong */ /* - macro VPC3_GET_NEXT_DXB_OUT_BUFFER_CMD() modified */ /* - macro VPC3_GET_DXB_OUT_BUFFER_SM() modified */ /* modification of VPC3_Initialization( UBYTE */ /* bSlaveAddress, UWORD wIdentNumber, psCFG psCfgData ); */ /* DP_VERSION_BUGFIX changed to 0x04 */ /* */ /* ------------------------------------------------------------------------- */ /* */ /* Technical support: Peter FREDEHORST */ /* Tel. : ++49-9132-744-2150 */ /* Fax. : ++49-9132-744-29-2150 */ /* eMail: [email protected] */ /* eMail: [email protected] */ /* */ /*****************************************************************************/ /*! \file \brief Basic functions for PROFIBUS communication with VPC3+. */ /*****************************************************************************/ /* contents: - function prototypes - data structures - internal functions */ /*****************************************************************************/ /* include hierarchy */ #include "..\dp_inc\platform.h" #include "..\dp_inc\dp_inc.h" /*---------------------------------------------------------------------------*/ /* version */ /*---------------------------------------------------------------------------*/ #define DP_VERSION_MAIN_INTERFACE ((UBYTE)0x06) #define DP_VERSION_FUNCTION ((UBYTE)0x00) #define DP_VERSION_BUGFIX ((UBYTE)0x04) /*---------------------------------------------------------------------------*/ /* function prototypes */ /*-----------------------------