Neousys Technology POC-400 Series, User Manual

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POC-400 Series
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DIO Function Reference
InitDIO
Syntax BOOL InitDIO(void);
Description: Initialize the DIO function. You should always invoke InitDIO()
before write/read any DIO port/channel.
Parameter None
Return Value TRUE: Successfully initialized
FALSE: Failed to initialize
Usage BOOL bRet = InitWDT()
DIReadLine
Syntax BOOL DIReadLine(BYTE ch);
Description: Read a single channel of isolated digital input.
Parameter ch
BYTE value specifies the DI channel to be read.
ch should be a value of 0 ~ 3.
Return Value The status (TRUE or FALSE) of the specified DI channel.
Usage BYTE ch=3; //DI channel #3
BOOL DIChValue = DIReadLine(ch); //read DI channel #3
DIReadPort
Syntax WORD DIReadPort(void);
Description: Read the entire isolated digital input port (4 channels).
Parameter None
Return Value The status (TRUE or FALSE) of the specified DI channel.
Usage WORD DIPortValue = DIReadPort ();