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Data queue definition ) – Renesas 70 User Manual

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Chapter 6 Using Configurator

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2. Selecting a semaphore waiting queue

[( Definition format )] Symbol

[( Definition range )] TA_TFIFO

or

TA_TPRI

[( Default value )] TA_TFIFO

Select a method in which tasks wait for the semaphore. If TA_TFIFO is selected, tasks are enqueued
in order of FIFO. If TA_TPRI is selected, tasks are enqueued in order of priority beginning with the one
that has the highest priority.

3. Initial value of semaphore counter

[( Definition format )] Numeric

value

[( Definition range )]

0 to 65535

[( Default value )] 1

Define the initial value of the semaphore counter.

4. Maximum value of the semaphore counter

[( Definition format )] Numeric

value

[( Definition range )]

1 to 65535

[( Default value )] 1

Define the maximum value of the semaphore counter.

[(Data queue definition )]
This definition must always be set when the data queue function is to be used.

<< Format >>


// Dataqueue Definition
mailbox[

ID No.

]{

name

=

ID name

;

buffer_size

=

Number of data queues

;

wait_queue

=

Select data queue waiting queue

;

};

:

:

The ID number must be in the range 1 to 255. The ID number can be omitted. If omitted, ID numbers are auto-
matically assigned in order of numbers beginning with the smallest.

<< Content >>

For each data queue ID number, define the items described below.

1. ID

name

[( Definition format )] Symbol

[( Definition range )] None

[( Default value )] None

Define the name by which the data queue is specified in a program.