36 lines
1.3 KiB
Mathematica
36 lines
1.3 KiB
Mathematica
PSXJOB ;BIR/BAB,WPB-Interface Background Job ;[ 02/12/99 1:26 PM ]
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;;2.0;CMOP;**17**;11 Apr 97
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;Watches line for incoming data and the outgoing queue.
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;Hands off control to the Master or Slave module.
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EN ;Set E TIMER
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S PSXTRASH=0,PSXTME=$P($H,",",2)
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READX ;Read one character, expecting ENQ
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G:^PSX(553,1,"S")="S" STOP
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I $P($G(^PSX(553,1,0)),"^")["LEAVENWORTH" G R1
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I $G(PSXQRY)=1 G ^PSXQRY
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R1 R *X:$S($O(^PSX(552.1,"AQ",0)):0,1:5)
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;if read timed out, check if timer E expired or queue has outgoing
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;messages then goto master, otherwise reset params & continue idling
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E D CHKE^PSXUTL G:PSXTMOUT!$D(^PSX(552.1,"AQ")) BID^PSXMST D SETPAR^PSXSTRT G READX
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;If ENQ,TERM send ACK0 and goto slave(Rec'd bid for master)
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;Else flush garbage from buffer and continue idling
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E D TRASH
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G:PSXTRASH>300 EN^PSXSTP G READX
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TRASH ;Trash received while idling!!
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S PSXTRASH=PSXTRASH+1 D FLUSH1^PSXUTL I '(PSXTRASH#5) D JOB1,LOG^PSXUTL
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Q
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JOB1 K LOG
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S LOG(1)="JOB1 Unexpected character ("_X_") has been received ("_PSXTRASH_") times "
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S LOG(2)="while Idling. Check INTERFACE connection."
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Q
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STOP K LOG S LOG(1)="JOB2 Stop interface request detected from DHCP."
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D LOG^PSXUTL
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G EN^PSXSTP
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STRT ;Enter here when starting the interface
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;Flush buffers
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D FLUSH1^PSXUTL
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W *EOT,*TERM
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K LOG S LOG(1)="JOB0 STARTING THE INTERFACE"
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D LOG^PSXUTL
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G EN
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