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5.
Service call reffernce
5.1 Task Management Function
Specifications of the task management function of MR100 are listed in Table 5.1 below. The task description languages in
item No. 4 are those specified in the GUI configurator. They are not output to a configuration file, nor are the MR100 ker-
nel concerned with them.
The task stack permits a section name to be specified for each task individually.
Table 5.1 Specifications of the Task Management Function
No. Item
Content
1
Task ID
1-255
2
Task priority
1-255
3
Maximum number of activation request count
255
TA_HLNG : Tasks written in high-level language
TA_ASM :
Tasks written in assem-bly language
4
Task attribute
TA_ACT
：
Startup attribute
5
Task stack
Section specifiable
Table 5.2 List of Task Management Function Service Call
System State
No. Service
Call
Function
T N E D U L
1 act_tsk
[S]
Activates
task
O O O O
2 iact_tsk
[S]
O O O O
3 can_act
[S]
O O O O
4 ican_act
Cancels task activation request
O O O O
5 sta_tsk
[B]
O O O O
6 ista_tsk
Starts task and specifies start code
O O O O
7 ext_tsk
[S][B]
Exits current task
O
O
O
O
O
8 ter_tsk
[S][B]
Forcibly terminates a task
O
O
O
O
9 chg_pri
[S][B]
O O O O
10 ichg_pri
Changes task priority
O O O O
11 get_pri
[S]
O O O O
12 iget_pri
Refers to task priority
O O O O
13
ref_tsk
O O O O
14 iref_tsk
Refers to task state
O O O O
15
ref_tst
O O O O
16 iref_tst
Refers to task state (simple ver-
sion)
O O O O
