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<== Date ==> <== Thread ==>
Subject: can't readable 'arduino.proto' in 'helloWorldIOCApp/Db'
From: Andrea Solano via Tech-talk <tech-talk at aps.anl.gov>
To: "tech-talk at aps.anl.gov" <tech-talk at aps.anl.gov>
Date: Mon, 11 Jan 2021 11:42:58 +0000 
Hi, I have a problem with reading the 
protocol file. All code from: http://www.smolloy.com/2015/12/epics-serial-communication-with-arduino/
I use EPICS LAST VERSION 
WITH ASYN AND STREAM DEVICE 
LAST VERSION
Detail of mi ioc initialization: 
#!../../bin/linux-arm/helloWorldIOC
< envPaths
Can't open envPaths: No such file or directory
epicsEnvSet(STREAM_PROTOCOL_PATH,"helloWorldIOCApp/Db")
macLib: macro TOP is undefined (expanding string cd "${TOP}")
## Register all support components
dbLoadDatabase "dbd/helloWorldIOC.dbd"
helloWorldIOC_registerRecordDeviceDriver pdbbase
drvAsynSerialPortConfigure("SERIALPORT","/dev/ttyACM0",0,0,0)
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")
dbLoadRecords("db/arduino.db","PORT='SERIALPORT'")
## Load record instances
#dbLoadRecords("db/xxx.db","user=pi")
cd "/home/pi/EPICS/helloWorldIOC/iocBoot/iochelloWorldIOC"
iocInit
Starting iocInit
############################################################################
## EPICS R7.0.4.2-DEV
## Rev. R7.0.4.1-117-g4f14e9e674cfc16be1b2
############################################################################
2021/01/11 12:16:34.315589 _main_ Can't find readable file 'arduino.proto' in 'helloWorldIOCApp/Db'
2021/01/11 12:16:34.315919 _main_ while reading protocol 'set_digital' for 'led:set'
2021/01/11 12:16:34.316084 _main_ led:set: Protocol parse error
2021/01/11 12:16:34.316252 _main_ led:set: Record initialization failed
Error (514,11) PV: led:set ao: init_record

2021/01/11 12:16:34.316618 _main_ Can't find readable file 'arduino.proto' in 'helloWorldIOCApp/Db'
2021/01/11 12:16:34.316787 _main_ while reading protocol 'get_analog' for 'photo:get'
2021/01/11 12:16:34.316946 _main_ photo:get: Protocol parse error
2021/01/11 12:16:34.317103 _main_ photo:get: Record initialization failed
iocRun: All initialization complete
## Start any sequence programs
#seq sncxxx,"user=pi"

My protocol file:

Terminator = LF;
get_analog {
    out "R";
    in "R %f";
    ExtraInput = Ignore;
}
set_digital {
    out "W%d\n";
    ExtraInput = Ignore;
}

My db file:

record(ao, led:set) {
    field(DESC, "Arduino digi pin 11")
    field(DTYP, "stream")
    field(OUT, "@arduino.proto set_digital() $(PORT)")
    field(DRVL, "0")
    field(DRVH, "255")
}
record(ai, photo:get) {
    field(DESC, "Photo diode's output")
    field(DTYP, "stream")
    field(INP, "@arduino.proto get_analog() $(PORT)")
    field(SCAN, ".5 second")
}





Replies:
Re: can't readable 'arduino.proto' in 'helloWorldIOCApp/Db' Mark Rivers via Tech-talk
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