Pepper Computer Modular Computers RS232 User Manual

Page of 320
SMART I/O User’s Manual
Chapter 4 Digital Modules
©1996 PEP Modular Computers GmbH
March 12, 1996
Page 4 - 45
4
4.3.8.8 SMREL1SetLed
Syntax
error_code SMREL1SetLed(u_int8 PortNr,
   u_int8 *buffer);
Description
This function sets the status of the User LED on the port PortNr with the
contents of the buffer. If a bit is set to 0 then the LED is OFF otherwise it is
ON.
Input
u_int8 PortNr
SM-Port number to write data
u_int8 *buffer
Pointer to buffer where data is stored
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 = SMREL1SetLed(0, buffer);