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RX30000 Datasheet

  • RX30000

  • RX4000 Installation | User＇s Manual[10/2001]

  • 111頁

  • ETC

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CHAPTER 8 DESCRIBING A CF DEFINITION FILE
tsk_intr
Specifies the interrupt mask status at task activation.
The keywords that can be specified for
tsk_intr
are TA_ENAINT and TA_DISINT.
TA_ENAINT :
TA_DISINT :
All interrupts are enabled at task activation.
All interrupts are disabled at task activation.
stk_siz
Specifies the stack size (bytes) to be used by a task.
The values and keywords that can be specified for
stk_siz
are 0x0 to 0x7fffffff and default.
When default is specified, the default stack size (dflt_siz) defined in the system information
is assumed automatically. If a value smaller than that defined by
dflt_siz
is specified, the
system automatically changes the specified value to the
dflt_siz
value.
tsk_gp
Specifies a GP register-specific value for a task.
A value of between 0x0 and 0xfffffffc aligned with a 4-byte boundary, or a symbol name, can
be specified for
tsk_gp
while, as a keyword, nouse can be specified.
When specifying a symbol name for
tsk_gp,
enter the label name to be used when writing in
assembly language. A C symbol name can also be specified. An offset value may be
specified in the following format: "symbol name + value."
nouse
:
A GP register-specific value is not set.
8.4.5 Semaphore Information
As the semaphore information define, for each semaphore, data that indicates the ID number, semaphore name,
task queuing method, extended information, initial resource count, and maximum resource count.
The number of semaphore information items that can be specified is defined as being within the range of 0 to the
maximum number of semaphores that can be created,
max-sem,
as set in the system maximum value information.
Figure 8-6 shows the specification format for the semaphore information.
Figure 8-6. Semaphore Information Specification Format
semaphore {
id
name
waiopt
exinf
initcnt
maxcnt
}
sem_id;
sem_nam;
twai_opt;
ext_inf;
init_cnt;
max_cnt;
The items constituting the semaphore information are as follows.
sem_id
Specifies the ID of a semaphore.
The values and keywords that can be specified for
sem_id
are 0x1 to
max_sem
(maximum
number of semaphores that can be created) and auto.
assigns an unused semaphore ID.
When auto is specified, the
configurator checks the semaphore IDs between 0x1 and
max_sem,
and automatically
User's Manual U13687EJ1V2UM
73

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