Pepper Computer Modular Computers RS485 - Manual (Page 317)

SMART I/O User’s Manual
©1996 PEP Modular Computers GmbH October 01, 1996 Page 6 - 35
6
Chapter 6 Communications Modules
6.2.12.7 SMSSIGetData
Syntax
error_code SMSSIGetData(u_int8 PortNr,
u_int32 *pData);
Description
This function returns the absolute position data from the SM-SSI. If auto-
matic mode is selected then a wait will not be performed otherwise SOT will
be set and the read performed only when TC has been set.
Input
u_int8 PortNr
SM-Port number to get data
u_int32 *pData
Pointer to the value returned from the data
register (0x0 -> FFFFFF)
Output
error_code SUCCESS
E_BMODE
if the module is unknown
or standard OS-9 error code (refer to the OS-9
Technical Manual Error Codes Section).
Example
RetVal = SMSSIGetData(0, &pData);