SMART I/O User’s Manual | Chapter 4 Digital Modules | |||
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4.3.8.7 SMREL1GetLed
Syntax
error_code SMREL1GetLed(u_int8 PortNr, u_int8 *buffer);
Description
This function gets the status of the User LED on the port PortNr and writes it to the buffer. If the LED is OFF then it returns 0, otherwise it returns 1. This function of the LED is for the user to decide.
Input
u_int8 PortNr u_int8 *buffer
Output
error_code
Example
Pointer to buffer where data is written
SUCCESS
E_BMODE if the module is unknown or standard
RetVal = SMREL1GetLed(0, buffer);
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Page | 4 - 44 | ©1996 PEP Modular Computers GmbH | March 12, 1996 |
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