[etherlab-users] EtherCAT stack for 2.6.24

Sergej Stepanov Sergej.Stepanov at ids.de
Tue Feb 19 15:17:01 CET 2008

Hallo Florian,

i got ethercat stack cross compiled under linux 2.6.24 for powerpc
in the attachment i send you the patch for master-dir.
It has to be platform independent.
But i have following notes:
1. Backward compatibility was done with KERNEL_VERSION(..) macro.
2. it was fixed many warnings with EC_WRITE_U16-/EC_WRITE_U32-macro.
3. i found somewhere in internet the equivalent,
   and i had no other idea for cpu_khz-variable
   that is why i did for powerpc following (for a while):
Index: master/globals.h
--- master/globals.h	(Revision 28787)
+++ master/globals.h	(Revision 28982)
@@ -45,6 +45,8 @@
 #include "../globals.h"
+#include <asm/time.h>
  *  EtherCAT master
@@ -204,5 +206,7 @@
 typedef struct ec_sdo ec_sdo_t; /**< \see ec_sdo */
+//extern unsigned long cpu_khz;
+#define cpu_khz (tb_ticks_per_sec/1000)

i thought that timeouts issue has to be corrected in some other way.

Please, take a look trough and let me know what do you think about...
whether it could be applied for EtherCAT-stack?

Thank you
Best regards.

Dipl.-Ing. Sergej Stepanov 

E-PA  (Entwicklung - Prozess Automatisierung)
Nobelstr. 18, 
D-76275 Ettlingen 
T. (0) 72 43/2 18-615 
F. (0) 72 43/2 18-100 
E. Sergej.Stepanov at ids.de

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