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5.5 Synchronization & Communication Function (Data Queue)
Specifications of the data queue function of MR100 are listed in Table 5.9.
T
able 5.9 Specifications of the Data Queue Function
No. Item Content
1 Data queue ID 1-255
2 Capacity (data bytes) in data queue area 0-8191
3 Data size 32 bits
TA_TFIFO: Waiting tasks enqueued in order of FIFO 4 Data queue attribute
TA_TPRI: Waiting tasks enqueued in order of priority
Table 5.10 List of Dataqueue Function Service Call
System State
No. Service Call Function
T N E D U L
1 snd_dtq
[S]
Sends to data queue O O O
2 psnd_dtq
[S]
O O O O
3 ipsnd_dtq
[S]
Sends to data queue (polling)
O O O O
4 tsnd_dtq
[S]
Sends to data queue (with timeout) O O O
5 fsnd_dtq
[S]
O O O O
6 ifsnd_dtq
[S]
Forced sends to data queue
O O O O
7 rcv_dtq
[S]
Receives from data queue O O O
8 prcv_dtq
[S]
O O O O
9 iprcv_dtq
Receives from data queue (polling)
O O O O
10 trcv_dtq
[S]
Receives from data queue (with timeout) O O O
11 ref_dtq O O O O
12 iref_dtq
References data queue status
O O O O
Notes:
• [S]: Standard profile service calls
[B]: Basic profile service calls
• Each sign within " System State " is a following meaning.
♦ T: Can be called from task context
♦ N: Can be called from non-task context
♦ E: Can be called from dispatch-enabled state
♦ D: Can be called from dispatch-disabled state
♦ U: Can be called from CPU-unlocked state
♦ L: Can be called from CPU-locked state