BECKHOFF ET9300 - Manual (Page 4)

2 Application Note ET9300
CONTENTS
1 References 7
2 Terms, Definition, Abbreviation 8
2.1 Abbreviation 8
3 Getting Started 9
3.1 SSC Tool 9
3.2 Default SSC files 9
4 Code Structure 11
5 Hardware Access 12
5.1 Interrupt Handler 16
5.2 Interface Functions/Macros 16
5.2.1 Generic 17
5.2.2 Read Access 20
5.2.3 Write Access 23
6 Application 26
6.1 Application Settings 26
6.2 SSC Functions 26
6.3 Interface Functions 27
6.3.1 Generic 27
6.3.2 EtherCAT State Machine 28
6.3.3 Process data handling 30
6.4 Interface Variables 30
6.5 Create an Application 31
6.5.1 Adding a new Application 31
6.5.2 Examples 31
7 Objects 41
7.1 Design/Structure Rules 41
7.2 Define local memory 41
7.3 Entry descriptions 42
7.4 Object name 42
7.5 Object description 43
7.6 Index Ranges 44
7.7 Implementation examples 45
7.7.1 Usage of Object Deftype ENUM 45
8 Mailbox 47
8.1 FoE (File Transfer over EtherCAT) 47
8.1.1 Testing FoE 47
8.2 EoE (Ethernet over EtherCAT) 47
8.2.1 Implementation 47
8.2.2 EoE Examples 49
9 Synchronization 55