sys_ex_data Union Reference

Sys_ex datafield definition. More...

#include <EO3100I_API.h>

Collaboration diagram for sys_ex_data:

Data Structures
struct	_data
	Datafiled structer for data telegrams (IDX > 0) More...
struct	header
	Datafiled structer for header telegrams (IDX = 0) More...

Data Fields
struct sys_ex_data::header	header
struct sys_ex_data::_data	_data

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Detailed Description

Sys_ex datafield definition.

SYS EX DATA STRUCTURE
31                24 23       23 22               16 15               12 11       8 7        0|31      0
|-------------------|-----------|-------------------|-------------------|----------|----------|---------|
|      u8LengthH    | u1LengthL | u7ManufacturerIdH | u4ManufacturerIdL | u4FnNumH | u8FnNumL | u32Data |
|-------------------|-----------|-------------------|-------------------|----------|----------|---------|

This byte ordering is correct, it is mixed up like this because Keil interprets bytes from the right to left. That's why we had to divide the 16bit variables in high and low parts. With this definition we get a structure like showed on the picture beyond