–

–

–

–

30

31

211 – SetIO

Figure 36 contains the values for the following example to get GPIOA as an

input:

$PLSC,211,A,0,0*7F

The receiver outputs a response to this command. Figure 37 contains the

response for the above command.

For some further examples of this command:

Set GPIOA as an input

Set GPIOA as an output, initial state low

SetIO Example

Name

Example

Units

Description

MID

$PLSC,211

Message ID

GPIO Number

A

Number of the GPIO line to set. Only one line

can be set at a time.

Direction

0

Direction: 0 = Input; 1 = Output

State

0

Set to 1 if the direction is an output; the value

does not matter if the direction is an input.

Checksum

*7F

<CR> <LF>

End of message termination

Figure 36: SetIO Example

SetIO Response Example

Name

Example

Units

Description

MID

$PLSR,211

Message ID

Valid

1

0: command invalid, 1: command valid

Checksum

*7F

<CR> <LF>

End of message termination

Figure 37: SetIO Response Example

NOTE

1. If the message ID is not recognized, the response will be “$PLSR,999,0,ERROR*60”

2. If the value is not allowed, the response will be “$PLSR,MID,0,ERROR*CS”

3. All GPIOs default to inputs on power-up and reset

212 – ReadInput

Figure 38 contains the values for the following example to read the state of

an input:

$PLSC,212,A*7C

The receiver outputs a response to this command. Figure 39 contains the

response for the above command.

For some further examples of this command:

Read that GPIOA is low

Read that GPIOA is high

Read that GPIOA is not an input

ReadInput Example

Name

Example

Units

Description

MID

$PLSC,212

Message ID

GPIO Number

A

Number of the GPIO line to set. Only one line

can be set at a time.

Checksum

*7C

<CR> <LF>

End of message termination

Figure 38: ReadInput Example

ReadInput Response Example

Name

Example

Units

Description

MID

$PLSR,212

Message ID

GPIO Number

A

Number of the GPIO line to set. Only one line

can be set at a time.

State

0

0 = Low; 1 = High; 2 = the referenced GPIO

is not an input

Checksum

*71

<CR> <LF>

End of message termination

Figure 39: ReadInput Response Example