DS361-3 Dec 03

©2003 Reg. No. 227 4001, England

Page 7

BRM01

GPIO Output

This command outputs a bit mask to the GPIO pins device whose Index ID is provided in parameter 1. GPIO

pins that are defined as outputs will be set to the level provided in the parameter 2 bit mask.

Command Code

(1 byte)

Parameter 1 – Index ID

(2 bytes 00-1F)

Parameter 2 – Bit Mask

(2 bytes 00-FF)

“>”

“xx”

“xx”

Response Code

(1 byte)

Status Code *

(2 bytes 0-9, A-F)

“>”

“xx”

*See Status Codes for meanings

GPIO Input

This command returns the digital level on the GPIO pins of the device whose Index ID is provided in

parameter 1. Values returned for GPIO pins that are not defined as digital inputs should be disregarded.

Command Code

(1 byte)

Parameter 1 – Index ID

(2 bytes 00-1F)

Parameter 2 – Null

(2 bytes 00)

“<”

“xx”

“00”

Response Code

(1 byte)

Status Code *

(2 bytes 0-9, A-F)

GPIO Input Bit Mask

(2 bytes 0-9, A-F)

“<”

“xx”

“xx”

*See Status Codes for meanings

GPIO Measure

This command returns the analogue level of the GPIO pin defined in parameter 2 from the device whose

Index ID is provided in parameter 1. Values returned for GPIO pins that are not defined as analogue inputs

should be disregarded.

Command Code

(1 byte)

Parameter 1 – Index ID

(2 bytes 00-1F)

Parameter 2 – GPIO Pin

(2 bytes 00,01,02,03,05)

“$”

“xx”

“xx”

Response Code

(1 byte)

Status Code *

(2 bytes 0-9, A-F)

Analogue 10 bit value

(2 bytes 0x0-03ff)

“$”

“xx”

0-4096

*See Status Codes for meanings

The analogue reference for the ADC measurement depends upon the Function Parameter of the GPIO set-

up command.