Sharp JW-20FLT ユーザーズマニュアル

ページ / 224
9-3
Chapter 9: Message transfers
9
From the previous page
2
2
2
2
2
 Setting transmission buffer (set the sending details)
Specify the [information section] and [data section] to be used for sending messages to the
transmission buffer (addresses +2000 to 3777
(8)
, +4040 to 4055
(8)
).
(Transmission buffer 
 Next page.)
3
3
3
3
3
 Execute a transmission
Write an 01
(H)
 at address +301 in the communication control area and the JW-50FL will send the
contents of the transmission buffer [information section] and [data section] to the destination
node. After sending the message, the details in the [data section] will be cleared.
 Settings in the communication control area
Enter the top address for the communication control area. The area (address +000 to 301
(8)
) will
then be allocated. Use the parameter addresses 30 to 32
(8)
 to enter the top address.
When receive data
4
4
4
4
4
 Receive (received to transmission buffer)
The received data from a node are stored in the transmission buffer (address +0000 to 1777
(8)
,
+4000 to 40015
(8)
).
Communication
control address
(8)
Detail
+301
Execute sending data
(Communication control area 
 See page 10-1.)
Transmission
buffer address
(8)
Details
+2000
Sending [data section]
to
+3777
+4040
Node number of destination node.
Sending
[information section]
+4041
Response message type (fixed to 00
(H)
)
+4042 to 4043
Message (request) transaction code.
+4044 to 4047
Top address of the virtual address space.
+4050 to 4051
Data length requesting to the virtual address
space (word/byte).
+4052
Current fragment block number (fixed to 01
(H)
)
+4053
Total fragment block number (fixed to 01
(H)
)
+4054 to 4055
Current block length (byte)
Transmission
buffer address
(8)
Details
+0000
Receiving [data section]
to
+1777
+4000
Node number of data sending node.
Sending
[information section]
+4001
Response message type (fixed to 00
(H)
)
+4002 to 4003
Message (response) transaction code.
+4004 to 4007
Top address of the virtual address space.
+4010 to 4011
Data length requesting to the virtual address
space (word/byte).
+4012
Current fragment block number (fixed to 01
(H)
)
+4013
Total fragment block number (fixed to 01
(H)
)
+4014 to 4015
Current block length (byte)