Experimental Physics and
| |||||||||||||||
|
Hi,
I'm trying to use EPICs with a digitizer (www.redpitaya.com) which has a web interface - I can get the information using curl to download the website information: but I'm a little confused about how to integrate these commands in an ioc. I've set up a StreamDevice template, and I thought I might be able to just send the curl commands by putting them in a record: record(bo, "$(P)$(R)Start") { field(DESC, "Start App") field(DTYP, "stream") field(OUT, "@devREDPITAYASTREAM.proto startApp $(PORT) $(A)") field(ZNAM, "spectrum") #field(PINI, "YES") #field(VAL, "1") } record(waveform, "$(P)$(R)Data") { field(DESC, "Data string") field(DTYP, "stream") field(INP, "@devREDPITAYASTREAM.proto getData(20000) $(PORT) $(A)") field(PINI, "YES") field(FTVL, "CHAR") field(NELM, "32000") } with the corresponding entries in the .proto file being: startApp { out "curl http://10.95.101.75/bazaar?start=%{spectrum}"; } getData { out "curl http://10.95.101.75/data"; in "%\$1[^\r\n]"; ExtraInput = Ignore;
} When I run st.cmd, the host is configured to be the IP address of the red pitaya itself, using the HTTP port of 80:
drvAsynIPPortConfigure("L0","10.95.101.75:80",0,0,0) I'm not sure if this is the right thing to do? In any case, when running st.cmd with asynTraceMask enabled I get a continuous stream of "reads" 2015/02/09 11:48:23.530 10.95.101.75:80 read. but it doesn't seem to respond to the commands I've made. Does anyone have any feeling for using Epics with HTTP commands? Thanks! Ana Malagon
| ||||||||||||||
ANJ, 16 Dec 2015 |
·
Home
·
News
·
About
·
Base
·
Modules
·
Extensions
·
Distributions
·
Download
·
· Search · EPICS V4 · IRMIS · Talk · Bugs · Documents · Links · Licensing · |