TalkBack Write

R2026b

Write command(s) to TalkBack ID on ThingSpeak TalkBack server

• 

TalkBack Write block

To add a block to a model, double-click the canvas and start typing the block name. Then, select the block from the list.

Libraries:
Simulink Support Package for Android Devices / Communication

Description

Add-On Required: This feature requires the Simulink Support Package for Android Devices add-on.

The TalkBack Write block writes command(s) to a TalkBack ID on the ThingSpeak TalkBack server. The command(s) are written and executed from the TalkBack queue in the first-in first-out (FIFO) order and are removed from the queue once executed.

Ports

Input

trigger — Trigger to add or delete command in TalkBack queue

0 | 1

Trigger input that allows to add a command to the TalkBack queue or delete all commands from the TalkBack queue.

Data Types: Boolean | Numeric

command string — Input TalkBack string command

scalar

TalkBack command of type string, specified as a scalar.

Dependencies

To enable this port, set Command type to String.

Data Types: string

ascii command — Input TalkBack ASCII command

vector

Converted uint8 vector TalkBack command of ASCII characters, specified as a vector.

Dependencies

To enable this port, set Command type to ASCII vector.

Data Types: uint8

position — Position of command in queue

integer

Position of the TalkBack command in the TalkBack queue. Any previous commands at or after this position are shifted down. If the position is left blank, the command is automatically added to the end of the queue with the highest position.

Dependencies

To enable this port, select the Specify position parameter.

Data Types: uint16

Parameters

TalkBack API — Add or delete commands in TalkBack queue

Add a command (default) | Delete all commands

Select the type of operation you want to perform on the TalkBack commands in the TalkBack queue.

• Add a command – Add a command to the TalkBack queue

• Delete all commands – Delete all commands from the TalkBack queue

TalkBack ID — TalkBack app identification number

123456 (default) | positive integer

Enter the identification number for the TalkBack app. This identification number is auto generated by the TalkBack server. To know the TalkBack ID for your ThingSpeak™ TalkBack:

1. In the ThingSpeak website, select Apps > TalkBack.

2. Click New TalkBack.

3. Add a new command to the TalkBack queue and copy the TalkBack ID.

4. Open the TalkBack Write block in your Simulink^® model and paste the value into the TalkBack ID parameter.

API key — Auto-generated API key for ThingSpeak TalkBack

ABCDEFGHIJKLMOP (default) | character vector of API key | string scalar of API key

Enter the 16-digit API key for the specific instance of TalkBack that allows you to write to a ThingSpeak TalkBack. This API key is auto generated by the TalkBack server. This key allows you to write commands to ThingSpeak TalkBack. To know the API key for your ThingSpeak TalkBack:

1. In the ThingSpeak website, select Apps > TalkBack.

2. Click New TalkBack.

3. Add a new command to the TalkBack queue and copy the 16-digit API key.

4. Open the TalkBack Write block in your Simulink model and paste the value into the API key parameter.

Command type — Type of TalkBack command input added to TalkBack queue

String (default) | ASCII vector

Select the type of TalkBack command input to be added to the TalkBack queue.

• String – TalkBack command in string format.

• ASCII vector – TalkBack command in ASCII format.

Specify position — Enable or disable position input port

off (default) | on

Select the option to enable the position input port of the block.

Programmatic Use: Add Block

To add the block programmatically, use the add_block function with one of these library block paths as the source.

"androidcommunicationlib/TalkBack Write"

Example: add_block("androidcommunicationlib/TalkBack Write","myModel/myBlock",MakeNameUnique="on")

Version History

Introduced in R2021b