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filterAllowOnly

Configure CAN message filter to allow only specified messages

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Syntax

filterAllowOnly(canch,name)
filterAllowOnly(canch,IDs,type)

Description

filterAllowOnly(canch,name) configures the filter on the channel canch to pass only messages with the specified name.

Set the channel object Database property to attach a database to allow filtering by message names.

example

filterAllowOnly(canch,IDs,type) configures the filter on the channel canch to pass only messages of the specified identifier type and values.

example

Examples

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Filter a database defined message with the name 'EngineMsg'.

canch = canChannel('Vector','CANCaseXL 1',1);
canch.Database = canDatabase('candatabase.dbc');
filterAllowOnly(canch,'EngineMsg')

Filter messages by identifiers.

canch = canChannel('Vector','CANCaseXL 1',1);
filterAllowOnly(canch,[602 612],'Standard')

Input Arguments

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CAN device channel, specified as a CAN channel object, on which to filter.

Example: canch = canChannel('NI','CAN1')

Name of CAN messages that you want to allow, specified as a character vector, string, or supporting array of these types.

Example: 'EngineMsg'

Data Types: char | string | cell

CAN message IDs that you want to allow, specified as a numeric value or vector.

Specify IDs as a decimal value. To convert a hexadecimal to a decimal value, use the hex2dec function.

Example: 600, [600,610], [600:800], [200:400,600:800]

Data Types: single | double | int8 | int16 | int32 | int64 | uint8 | uint16 | uint32 | uint64

Identifier type by which to filter, specified as a character vector or string. CAN messages identifier types are 'Standard' and 'Extended'.

Example: 'Standard'

Data Types: char | string

Version History

Introduced in R2011b

See Also

Functions