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17.1 +BEVENT: Define Event

Description

This command is used to define an event.

Availability

Since FW version 2.0.3

Command Syntax

AT+BEVENT=<id>,<Trigger Expression>,<Trigger Options>,<Register Options>,<Command

ID>,<Report ID>

Response Syntax

Defined Values

<id>

1-31 Event identifier

<Trigger Expression> Boolean expression based on the event signals (max 128 chars long)

Signals that can be used:

- DIS1 to DIS31: Digital Input Signal; configured with AT+BEVDIS

- AIS1 to AIS31: Analog Input Signal; configured with AT+BEVAIS

- GSS: GPS Speed Signal; configured with AT+BEVGSS

- GHS: GPS Heading Signal; configured with AT+BEVGHS

- GOS: GPS Odometer Signal; configured with AT+BEVGOS

- EVS: Event Signal; driven by another Event using its Event Register

- TMS: Timer Signal; is always TRUE and Trigger Option must be ‘T’; cannot be

combined with other signals

- GPS: GPS receiver Signal; TRUE when GPS receiver reports a fix; cannot be

combined with other signals

- GVS: GPS Valid fix Signal: always available without configuration. This signal is

used to determine whether valid GPS fixes are currently available from the GPS receiver.

It applies a heuristic rule to determine the validity of the fix based on different fields'

values in the reported GPS message. It reflects the validity since the last reported fix.

Operators that can be used in the Trigger Expression (maximum 10 are allowed)

& = logical AND

| = logical OR

! = logical NOT (works only in postfix mode i.e. applies to left-side operand)

() = parenthesis

B any change in the state of the Trigger Expression

R transition of the Trigger Expression state from FALSE to TRUE

T0-T65535 the Trigger Expression state is TRUE for at least a specified time in

second (between 0 and 65535 seconds). The time must be specified

after T.

<Register Options> Used to concatenate events

S the event register synchronize with the state of the Trigger

Expression

E0-E65535 expiry timer in seconds indicates how long the Event register will

indicate TRUE once the Event is triggered. The time must be

specified after E.

0-32 Command identifier

Not supported in this version – entered value will not take effect

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