Development Tools

[Semaphore] tab

This tab displays the semaphore information (e.g. Semaphore Name and ID) of the RI850V4.

Figure A-6. [Semaphore] 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 semaphore information (e.g. Semaphore Name and ID) of the RI850V4.

This layer consists of the following items.


Semaphore Name	An icon indicating the current status of the semaphore and the name of the semaphore are shown in the following format. Icon Name Note that if the name of the semaphore is undefined, the name will appear as "ID".
		There are waiting tasks.
		There are no waiting tasks.
ID	The ID of the semaphore is shown.
Queue Status	The current status of the semaphore is shown.
	Waiting Tasks	There are waiting tasks.
	Empty	There are no waiting tasks.
Current Count	The current resource count of the semaphore is shown.
Max Count	The maximum resource count of the semaphore is shown.
Initial Count	The initial resource count of the semaphore is shown.
Attribute	The task queuing method is shown.
	TA_TFIFO	FIFO order
	TA_TPRI	Task priority order

(b) Second layer

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

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

Figure A-7. [Semaphore] Tab (Waiting Task Information)

[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. Semaphore Name, ID, Queue Status, Current Count, Max Count, Initial Count, 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, Current Count, Max Count, Initial Count
		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.
	sig_sem	Release semaphore resource.
	pol_sem	Acquire semaphore resource (polling).
Reset Display Item	Resets the display item (e.g. whether or not to display header items, display notation, display order and display width).