X25AM Programming Manual

PTP Applications

X25AM Programming Manual—527201-001

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Wait for the Data Exchange (Use Mode 1)

5. READ data from a packet.

!The program waits for data from the remote device with a

!READ. The remote device has already sent the final

!data packet for logical record B. The data is

!transferred to the READ buffer.

!The READ completes successfully.

!An RR packet is sent.

6. WRITE the data for the first and only data packet for

logical record B.

!The M bit is set to 0.

!The WRITE has a WRITE COUNT that is equal to PACKETSIZE.

!The first and only data packet (M=0) for logical record B

!is sent.

!The WRITE completes successfully.

!An interrupt packet is received.

7. READ data from a packet.

!The program waits for data from the remote device with a

!READ. An interrupt packet has been received. Bit 13

!in the MCW is 1. Data from the interrupt packet is

!transferred to the READ buffer.

!The READ completes successfully.

!An Interrupt Confirmation is sent.

8. CONTROL 12.

9. CLOSE the subdevice.

!Nothing is sent or received.