Hi,
Today i wrote a simple serial communication IOC for Arduino and all
the steps went successfully but showed a package parse error and
couldn't read the protocol and .db files for the Arduino.
I followed the steps given on:
The following was shown in the terminal:
#!../../bin/linux-x86_64/helloWorldIOC
< envPaths
epicsEnvSet("IOC","iochelloWorldIOC")
epicsEnvSet("TOP","/home/udit/EPICS/IOCs/helloWorldIOC")
epicsEnvSet("ASYN","/home/udit/EPICS/support/asyn")
epicsEnvSet("CALC","/home/udit/EPICS/support/calc-R3-7-3")
epicsEnvSet("STREAM","/home/udit/EPICS/support/StreamDevice")
epicsEnvSet("EPICS_BASE","/home/udit/EPICS/epics-base")
epicsEnvSet(STREAM_PROTOCOL_PATH,"helloWorldIOCApp/Db")
cd "/home/udit/EPICS/IOCs/helloWorldIOC"
## Register all support components
dbLoadDatabase "dbd/helloWorldIOC.dbd"
helloWorldIOC_registerRecordDeviceDriver pdbbase
drvAsynSerialPortConfigure("SERIALPORT","/dev/ttyUSB0")
asynSetOption("SERIALPORT",-1,"baud","115200")
asynSetOption("SERIALPORT",-1,"bits","8")
asynSetOption("SERIALPORT",-1,"parity","none")
asynSetOption("SERIALPORT",-1,"stop","1")
asynSetOption("SERIALPORT",-1,"clocal","Y")
asynSetOption("SERIALPORT",-1,"crtscts","N")
## Load record instances
#dbLoadRecords("db/xxx.db","user=udit")
cd "/home/udit/EPICS/IOCs/helloWorldIOC"
dbLoadRecords("db/arduino.db","PORT=SERIALPORT")
cd "/home/udit/EPICS/IOCs/helloWorldIOC/iocBoot/iochelloWorldIOC"
iocInit
Starting iocInit
############################################################################
## EPICS R7.0.4.2-DEV
## Rev. R7.0.4.1-186-g5593103c11157aada4e4-dirty
############################################################################
2021/03/08 10:31:16.749971 _main_ Can't find readable file 'arduino.proto' in 'helloWorldIOCApp/Db'
2021/03/08 10:31:16.750018 _main_ while reading protocol 'set_digital' for 'led:set'
2021/03/08 10:31:16.750025 _main_ led:set: Protocol parse error
2021/03/08 10:31:16.750032 _main_ led:set: Record initialization failed
Error (514,11) PV: led:set ao: init_record
2021/03/08 10:31:16.750066 _main_ Can't find readable file 'arduino.proto' in 'helloWorldIOCApp/Db'
2021/03/08 10:31:16.750078 _main_ while reading protocol 'get_analog' for 'photo:get'
2021/03/08 10:31:16.750091 _main_ photo:get: Protocol parse error
2021/03/08 10:31:16.750107 _main_ photo:get: Record initialization failed
iocRun: All initialization complete
## Start any sequence programs
#seq sncxxx,"user=udit"
epics>
Let me know how to remove this error.
Best Regards
Udit
