Measurement-computing DAQFlex User Guide Instrukcja Użytkownika Pobierz pdf (Strona 66)

DAQFlex Software User's Guide DAQFlex Message Reference – Programming messages – DIO

value

IN, OUT

Example

"DIO{0}:DIR=IN"

Note

For devices that support this message, the default power up value is "IN".

 Get the direction of a port.

Message

"?DIO{port}:DIR"

Response

"DIO{port}:DIR=value"

port

The port number.

value

IN, OUT, or a number between 0 and 2n -1, where n is the number of bits

in the port.

Note

If the digital bits are not individually configurable, the value returned is either "IN" or

"OUT."

If each digital bit is individually configurable, value is a bit mask, in which 1 indicates

that the bit is configured for input, and 0 indicates that the bit is configured for

output.

 Set the direction of a bit.

Message

"DIO{port/bit}:DIR=value"

Response

"DIO{port/bit}:DIR"

port

The port number.

bit

The bit number.

value

IN, OUT

Example

"DIO{0/1}:DIR=IN"

Note

For devices that support this message, the default power up value is "IN".

 Get the direction of a bit.

Message

"?DIO{port/bit}:DIR"

Response

"DIO{port/bit}:DIR=value"

port

The port number.

bit

The bit number.

value

IN, OUT

Example

"?DIO{0/1}:DIR"

LATCH

LATCH applies to programmable ports. This property lets you set a digital output value while in input

mode. When programmed for output mode the latch value will be at the output.

 Set the latch value of a port.

Message

"DIO{port}:LATCH=value"

Response

"DIO{port}:LATCH"

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