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7.14.7 Display the Mailbox Status
In the MR window, select Popup Menu - [Mode] -> [Mailbox].
7.14.7.1 Display the Mailbox Status (When the realtime OS is MRxx conformed to uITRON
specifications V.3.0.)
All the mail boxes defined in the configuration are listed in the order of ID number. The function of
each item is listed below. (When the realtime OS is MRxx conformed to uITRON specifications V.3.0.)
Item Contents
ID ID No. of mailbox
Msg_cnt Number of messages in each mailbox
MAXmsg Maximum number of messages that can be contained in each mailbox
Wait Queue(Message) The messages stored in the mailbox or ID No. and task name of tasks
waiting for messages
• The WaitQueue (Message) field shows a string "Msg" when a message is stored (when Msg_cont
as described above is non-zero), and then displays the stored message.
When no message is stored (when Msg_cont is zero), the WaitQueue field displays a string "Task"
if a task waiting for a message exists, and then displays the ID number and name of the task
waiting for a message.
• When a task connected to the mail box queue is in the state of waiting with timeout enabled
(waiting in trcv_msg), a string "[tmo]", which indicates the state of timeout enabled, is appended
to a string displayed in the WaitQueue (Message) field.
When a task connected to the mail box queue is in the state of forced waiting (Double waiting), a
string "[s]", which indicates the state of double waiting, is appended to a string displayed in the
WaitQueue (Message) field.
Normal Display 26(_task26)
Display when in WAIT-SUSPEND 26(_task26)[s]
Display when in WAIT-SUSPEND with time out
26(_task26)[tmo][s]
• Up to 8 characters can be displayed in the task name in the WaitQueue (Message) field. If a task
name exceeds 8 characters, the extra characters are omitted.
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