[Data Queue] tab

This tab displays the data queue information (e.g. Data Queue Name and ID) of the RI850V4.

Figure A-10. [Data Queue] Tab

The following items are explained here.

[How to open]

- From the [Debug] menu, select [Download].

- From the [View] menu, select [Realtime OS] >> [Resource Information].

[Description of each area]

(1) Information display area

(a) First layer

This layer displays the data queue information (e.g. Data Queue Name and ID) of the RI850V4.

This layer consists of the following items.


Data Queue Name	An icon indicating the current status of the data queue and the name of the data queue are shown in the following format. Icon Name Note that if the name of the data queue is undefined, the name will appear as "ID".
		There are queued tasks (sending waiting tasks).
		There are queued tasks (receiving waiting tasks).
		There are queud data (receiving waiting data).
		There are no queued tasks/data (waiting tasks/receiving waiting data).
ID	The ID of the data queue is shown.
Queue Status	The current status of the data queue is shown.
	Waiting Tasks (Send)	There are queued tasks (sending waiting tasks).
	Waiting Tasks (Receive)	There are queued tasks (receiving waiting tasks).
	Waiting Data	There are queud data (receiving waiting data).
	Empty	There are no queued tasks/data (waiting tasks/receiving waiting data).
Total Buffers	Displays the maximum number of data buffers that can be queued.
Free Buffers	Displays the number of free buffers in the data queue. The number of free buffers is the total number of buffers minus the number of buffers receiving waiting data.
Number of data	Displays the number of stored data items.
Attribute	Displays the queuing method of the sending waiting tasks. If the queuing method if the receiving waiting tasks is "data reception request order", then the queuing method of the receiving waiting data will be "data send request order".
	TA_TFIFO	FIFO order
	TA_TPRI	Task priority order

(b) Second layer

<1> Sending waiting task/receive waiting task information

The sending/receiving waiting task information (e.g. Task Name and ID) only appears if there are tasks queued in the data queue's wait queue.

See the [Task] tab for details about sending/receiving waiting task information.

Figure A-11. [Data Queue] Tab (Sending Waiting Task Information)

Figure A-12. [Data Queue] Tab (Receiving Waiting Task Information)

<2> Receiving waiting data information

The receiving waiting data information (e.g. Data) only appears if there are data queued in the data queue.

Figure A-13. [Data Queue] Tab (Receiving Waiting Data Information)

This area consists of the following items.


Data	the contents of the data is shown.

[Context menu]

The context menu displayed in response to a right mouse click differs as follows depending on the area clicked.

(1) Header row


Display		Displays cascade menus for selecting the header items to display.
	Selected item name	The following items are displayed for selection. Data Queue Name, ID, Queue Status, Total Buffers, Free Buffers, Number of Data, Attribute
		Checked	The item in question will be displayed.
		Not checked	The item in question will not be displayed.
Notation		Displays cascade menus for selecting the display notation.
	Selected item name	The following items are displayed for selection. ID, Total Buffers, Free Buffers, Number of Data
		DEC	Displays value in signed decimal number.
		HEX	Displays value in hexadecimal number.

(2) Footer row


Service Call	Displays the types of service calls that can be issued. Note that if a service call is not embedded in (linked to) the downloaded program, or the necessary conditions for executing the service-call process are not met, then the service call will be grayed out.
	psnd_dtq	Send to data queue (polling).
	fsnd_dtq	Forced send to data queue.
	prcv_dtq	Receive from data queue (polling).
Reset Display Item	Resets the display item (e.g. whether or not to display header items, display notation, display order and display width).