EPICS APPLICATION DEVELOPMENT
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Transcript of EPICS APPLICATION DEVELOPMENT
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EPICS APPLICATION EPICS APPLICATION DEVELOPMENTDEVELOPMENT
EPICS SeminarEPICS Seminar
Presented by SHIFU XU ,IHEPPresented by SHIFU XU ,IHEP
20 August 200220 August 2002
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OutlineOutline
PCI & ISA device driver on Linux PlatformPCI & ISA device driver on Linux Platform
Remote device driver via EthernetRemote device driver via Ethernet
VME I/O device driver on vxWorksVME I/O device driver on vxWorks
Application to developApplication to develop
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PCI & ISA device driver PCI & ISA device driver
OS:Linux Redhat 7.1 OS:Linux Redhat 7.1
EPICS base release:3.14 alpha02/01EPICS base release:3.14 alpha02/01
ISA board:PC6310 A/D,12bits,32 channelsISA board:PC6310 A/D,12bits,32 channels
PCI board:PCI8020 PCI board:PCI8020 12bits A/D,8 channels (bipolar)12bits A/D,8 channels (bipolar) 8bits D/A, 2 channels8bits D/A, 2 channels 0~5v unipolar or -5v~+5v bipolar (AI)0~5v unipolar or -5v~+5v bipolar (AI) Conversion time < 10usConversion time < 10us
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PCI device driver--hardwarePCI device driver--hardware
Workstation
unix or linux:bepc19.ihep.ac.cn
IOC
ETHERNET
PC
PC motherboard PCI ISA card
PC
Winnt/win98control3.ihep.ac.cn
Linux:controlx.ihep.ac.cn
OPI
CA
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PCI device driver--testPCI device driver--test
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Ethernet-based Device driverEthernet-based Device driver
AsynchronousAsynchronous Device driver Device driver IOC 3.13IOC 3.13 OPI MEDMOPI MEDM vxworks5.31, tornado1.01vxworks5.31, tornado1.01 compiler:ccppccompiler:ccppc gmakegmake
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Ethernet-based Device driverEthernet-based Device driver
X t er mi nat orHP wor kst at i on
I OC PPC603PC
Ethernet
DA100
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Ethernet-based Device driverEthernet-based Device driver
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VME I/O device driverVME I/O device driver
Sun solaris 2.8 + Torado 2.02Sun solaris 2.8 + Torado 2.02
vxWorks 5.4vxWorks 5.4
MVME2431 cpu boardMVME2431 cpu board
MVME512—004 I/O moduleMVME512—004 I/O module 12bits D/A, 2 channels12bits D/A, 2 channels 16bits A/D, 16 channels (bipolar input)16bits A/D, 16 channels (bipolar input)
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VME I/O device driverVME I/O device driver
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VME I/O device driverVME I/O device driver
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VME I/O device driverVME I/O device driver
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Files involvedFiles involved
devM512.c, drvM512.cdevM512.c, drvM512.c
mydbExample1.db, mydbExample2.dbmydbExample1.db, mydbExample2.db
exampleApp.dbdexampleApp.dbd
st.cmdst.cmd
MakefileMakefile
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exampleApp.dbdexampleApp.dbd
include "base.dbd"include "base.dbd"
device(ai,VME_IO,devAiM512,"MVME512board")device(ai,VME_IO,devAiM512,"MVME512board")
device(ao,VME_IO,devAoM512,"MVME512board")device(ao,VME_IO,devAoM512,"MVME512board")
driver(drvM512)driver(drvM512)
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mydbExample1.dbmydbExample1.db
record(ao, "$(user):myaoExample")record(ao, "$(user):myaoExample"){{ field(DTYP, "MVME512board")field(DTYP, "MVME512board") field(OUT, "#C0 S1 @")field(OUT, "#C0 S1 @") field(SCAN, "Passive")field(SCAN, "Passive") field(LINR, "LINEAR")field(LINR, "LINEAR") field(ESLO, "0.00488281") #20.0/0xFFFfield(ESLO, "0.00488281") #20.0/0xFFF field(EGUF, "10.0")field(EGUF, "10.0") field(EGUL, "-10.0")field(EGUL, "-10.0") field(OMSL, "closed_loop")field(OMSL, "closed_loop") field(DOL, "$(user):calcExample.VAL NPP NMS")field(DOL, "$(user):calcExample.VAL NPP NMS") field(HOPR, "10")field(HOPR, "10") field(LOPR, "-10")field(LOPR, "-10")}}
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mydbExample1.db(cont.)mydbExample1.db(cont.)
record(ai, "$(user):myaiExample")record(ai, "$(user):myaiExample"){{
field(DTYP, "MVME512board")field(DTYP, "MVME512board")field(INP, "#C0 S0 @")field(INP, "#C0 S0 @")field(SCAN,"Passive")field(SCAN,"Passive")field(LINR, "LINEAR")field(LINR, "LINEAR")field(ESLO, "0.00030518") #20.0/0xFFFFfield(ESLO, "0.00030518") #20.0/0xFFFFfield(EGUF, "10")field(EGUF, "10")field(EGUL, "-10")field(EGUL, "-10")field(HOPR, "10")field(HOPR, "10")field(LOPR, "-10")field(LOPR, "-10")
}}
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st.cmdst.cmdcd "/export/home/xusf/epicsapp/512/bin/ppc604"cd "/export/home/xusf/epicsapp/512/bin/ppc604"ld < iocCoreld < iocCoreld < seqld < seqld < exampleLibld < exampleLibcd "/export/home/xusf/epicsapp/512/iocBoot/iocm512"cd "/export/home/xusf/epicsapp/512/iocBoot/iocm512"dbLoadDatabase("../../dbd/exampleApp.dbd")dbLoadDatabase("../../dbd/exampleApp.dbd")dbLoadRecords("../../db/mydbExample1.db","user=xusf")dbLoadRecords("../../db/mydbExample1.db","user=xusf")dbLoadRecords("../../db/mydbExample2.db","user=xusf")dbLoadRecords("../../db/mydbExample2.db","user=xusf")drvM512Verbose=(short)1drvM512Verbose=(short)1devM512Verbose=(short)1devM512Verbose=(short)1iocInitiocInit
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Our plan Our plan
CAN bus device driver based on VMECAN bus device driver based on VME
Controlnet device driver based on VMEControlnet device driver based on VME
or via ethernetor via ethernet
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ThanksThanks