beautypg.com

Mailbox definition ) – Renesas Emulator System M3T-MR100 User Manual

Page 256

background image

240

3. Selecting a data queue waiting queue

[( Definition format )]

Symbol

[( Definition range )]

TA_TFIFO

or

TA_TRPI

[( Default value )]

TA_TFIFO

Select a method in which tasks wait for short data queue transmission. If TA_TFIFO is selected, tasks are en-
queued 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.

[( Mailbox definition )]
This definition must always be set when the mailbox function is to be used.

<< Format >>


// Mailbox Definition
mailbox[

ID No.

]{

name

=

ID name

;

wait_queue

=

Select mailbox waiting queue

;

message_queue

=

Select message queue

;

max_pri

=

Maximum message priority

;

};

:

:

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

<< Content >>

For each mailbox 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 mailbox is specified in a program.

2. Select mailbox 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 mailbox. 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. Select message queue

[( Definition format )]

Symbol

[( Definition range )]

TA_MFIFO

or

TA_MRPI

[( Default value )]

TA_MFIFO

Select a method by which a message queue of the mailbox is selected. If TA_MFIFO is selected, messages are
enqueued in order of FIFO. If TA_MPRI is selected, messages are enqueued in order of priority beginning with
the one that has the highest priority.