Hi,
> Question 1. ) MTestSetup (1,7,10) and MTestConfig (0, "SERIALPORT") in the /epics/ioc/MTest/iocBoot/iocMTest/st.cmd file
> Can I edit / check? And what is that doing?
Those commands MTestSetup and MTestConfig are not standard EPICS commands, they are something that your developer wrote for this specific application. You will need to look at the C/C++ source code that he wrote. I don't know what they do.
> Question 2. ) It communicates via Rs232 with "raspberry Pi-> motor". I was curious about the communication,
so I changed it to "raspberry Pi-> PC com port".
I am not sure I understand this question. The startup script is using this command to set up the communications:
drvAsynSerialPortConfigure("SERIALPORT","/dev/ttyAMA0",0,0,0)
That is a standard EPICS command, and it is using a tty port /dev/ttyAMA0.
This is something I found on the Web about that port name, and a potential source of problems.
https://raspberrypi.stackexchange.com/questions/45570/how-do-i-make-serial-work-on-the-raspberry-pi3-or-later-model/45571#45571
*****************************
The /dev/ttyAMA0 previously used to access the UART now connects to Bluetooth.
The miniUART is now available on /dev/ttyS0.
In the latest operating system software there is a /dev/serial0 which selects the appropriate device so you can replace /dev/ttyAMA0 with /dev/serial0 and use the same software on the Pi3 and earlier models.
*****************************
So if you have a newer Pi then you may need to use /dev/serial0 rather than /dev/ttyAMA0.
Mark
________________________________
From: Tech-talk <[email protected]> on behalf of 최원철 via Tech-talk <[email protected]>
Sent: Wednesday, January 8, 2020 3:15 AM
To: [email protected]
Subject: "st.cmd" internal code question
hi
I'm a developer new to EPICS.
My goal is to analyze / modify the project completed by the staff. (He is not here)
I have a product that installs an IOC on the Raspberry pi 3+ and controls the motor via the RS232 line.
Installed on Pi 3+ are asyn4-34, motor-R6-10-1, stream, ipac-2.15 and calc-R3-6-1.
Question 1. ) MTestSetup (1,7,10) and MTestConfig (0, "SERIALPORT") in the /epics/ioc/MTest/iocBoot/iocMTest/st.cmd file
Can I edit / check? And what is that doing?
st.cmd code...
cd "/usr/local/epics/iocs/MTest/iocBoot/iocMTest"
< envPaths
< pvSettings
.
cd "$(TOP)"
## Register all support components
dbLoadDatabase("dbd/MTest.dbd")
MTest_registerRecordDeviceDriver(pdbbase)
## Serial Configuration
drvAsynSerialPortConfigure("SERIALPORT","/dev/ttyAMA0",0,0,0)
asynSetOption("SERIALPORT",-1,"baud","19200")
asynSetOption("SERIALPORT",-1,"bits","8")
asynSetOption("SERIALPORT",-1,"parity","odd")
asynSetOption("SERIALPORT",-1,"stop","1")
asynSetOption("SERIALPORT",-1,"clocal","Y")
asynSetOption("SERIALPORT",-1,"crtscts","N")
asynOctetSetInputEos("SERIALPORT",0,"\r")
asynOctetSetOutputEos("SERIALPORT",0,"\r")
MTestSetup(1,8,10) <-----------------here
MtestConfig(0,"SERIALPORT") <-----------------here
## Load record instances
dbLoadRecords "db/motor_record.db","P=$(P),M=$(M1),S=0"
dbLoadRecords "db/motor_record.db","P=$(P),M=$(M2),S=1"
dbLoadRecords "db/motor_record.db","P=$(P),M=$(M3),S=2"
dbLoadRecords "db/motor_record.db","P=$(P),M=$(M4),S=3"
dbLoadRecords "db/motor_record.db","P=$(P),M=$(M5),S=4"
dbLoadRecords "db/motor_record.db","P=$(P),M=$(M6),S=5"
save_restoreSet_IncompleteSetsOk(1)
save_restoreSet_DatedBackupFiles(0)
set_requestfile_path("./")
set_savefile_path("./", "autosave")
set_pass0_restoreFile("auto_settings.sav")
set_pass1_restoreFile("auto_settings.sav")
cd "${TOP}/iocBoot/${IOC}"
iocInit
create_monitor_set("auto_settings.req", 30, "P=$(P),M1=$(M1),M2=$(M2),M3=$(M3),M4=$(M4),M5=$(M5)")
Question 2. ) It communicates via Rs232 with "raspberry Pi-> motor". I was curious about the communication,
so I changed it to "raspberry Pi-> PC com port".
./// output PC terminal.
% 01 # WCP8R08021R08121R08221R08321R08421R08521R08621R08721 **
% 01 # WCP8R08051R08151R08251R08351R08451R08551R08651R08751 **
% 01 # RCP3R0120R0121R0128 **
% 01 # RCP3R0120R0121R0128 **
% 01 # RCP3R0122R0123R0129 **
% 01 # RCP3R0122R0123R0129 **
% 01 # RCP3R0124R0125R012A **
% 01 # RCP3R0124R0125R012A **
% 01 # RCP3R0126R0127R012B **
% 01 # RCP3R0126R0127R012B **
% 01 # RCP3R0130R0131R0138 **
% 01 # RCP3R0130R0131R0138 **
% 01 # RCP3R0132R0133R0139 **
These contents are printed out.
Is this uart communication "where / who" control?
I am studying and it is so difficult that I ask these basic questions. Please help me.
Thank you.
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