Siemens SIMATIC NET CP 5613 Manual page 146

Description of the DP Functions, Data, and Error Codes
Table continued from previous page
Name
data_len
data_blk
error
Data Structure (for data_blk parameter)
The content of the data_blk data structure depends of the type of indication.
Indication
DPS_CHK_PRM
DPS_CHK_CFG
DPS_NEW_SSA
DPS_BAUD_
CHANGED
DPS_GO_
LEAVE_DATA_
EX
DPS_NEW_GC
146
Maximum length of the data_blk array when the function is
called, number of bytes entered when the function returns - The
constant DPS_MAX_PDU_LEN should be used for the call.
The indication data for the particular indication are entered in
this array (see next section: Data Structure).
Address of a structure provided by the user program of the type
DP_ERROR_T. If an error occurred, the structure contains
details for troubleshooting (see Section 4.4).
Content of the data_blk Data Structure
DPR_BYTE user_prm_data[ ];
User parameter assignment data of the master, without the
standard section.
DPR_BYTE cfg_data[ ];
Configuration data of the master
DPR_WORD new_address;
DPR_WORD ident_number;
DPR_WORD no_addr_chg;
DPR_BYTE user_data[ ];
Data structure containing the new station address, the
identification number, the enabling of address changes, and
the user data.
All information is represented in the Intel format.
DPR_WORD state;
DPR_WORD baudrate;
Data structure , see DPS_get_baud_rate (see
Section 4.2.6).
DPR_WORD dps_state;
see DPS_get_state parameter (see Section 4.2.8).
DPR_WORD gc_command;
see DPS_get_gc_command parameter (see Section 4.2.7).
DP Base Programming Interface for CP 5613/CP 5614
Description
C79000-G8976-C108-02