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Chapter 4 Digital Modules | SMART I/O User’s Manual | ||||
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4.1.8.4 SMDIN1Get
Syntax
error_code SMDIN1Get(u_int8 PortNr, u_int8 *buffer);
Description
This function fetches the status of ALL 8 input lines of the port PortNr and writes it to the address pointed to by buffer with bit 0 of the buffer represent- ing input 0 of the module.
Input
u_int8 PortNr u_int8 *buffer
Output
error_code
Example
SUCCESS
or
4
RetVal = SMDIN1Get(0, buffer);
Buffer Explanation:
D7 | D0 |
Ch.7
Ch.6
Ch.5
Ch.4
Ch.3
Ch.2
Ch.1
Ch.0
Bit Value : 0 = No input or not connected 1 = Input Active
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March 12, 1996 | ©1996 PEP Modular Computers GmbH | Page 4 - 15 | |
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