Neousys POC-500 Series, User Manual, Page: 103 / 112

POC-500 Series
103
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 ();