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Found 1 result

  1. Hello, I am trying to extract variables from the P3DV4 and store them on a CSV. The given example works great for me. But when I try to write the code myself it doesn't work. Moreover, when I just copy paste the code with varied parameters I still get some error. I have attached the error below along with the code. Please do help me out. CODE-------------------------------------------------------------------------------------------------------------------------------------------- -- "Record to CSV" example data logging LUA plug-in, by Pete Dowson, September 2008 -- Open an exisitng "FSrecord.csv" file to append to, or create it if it doesn't exist -- It will go into the Modules folder because I've not included a full path (like "C:\....") -- By using "assert" you get an error message if this fails f = assert(io.open("FSrecord.csv","a+")) -- write the CSV column headings f:write("\r\vs,mach,bank,BHP,ff,weight,alt,ias,tas,gs\n") -- note the elapsed mSecs count now so can provide relative mSec timing column time0 = ipc.elapsedtime() -- Loop until our Flag 0 is set (by assigned FSUIPC control) while not ipc.testflag(0) do -- Set the timestamp for this loop time = ipc.elapsedtime() - time0 -- Read all the data we want from FSUIPC mach = ipc.readUW(0x11C6) -- mach number vs = ipc.readSW(0x842) -- vertical speed bank = ipc.readSD(0x057C) -- bank angle bhp = ipc.readDBL(0x3820) -- Brake horse power ff = ipc.readDBL(0x0918) -- fuel flow in pounds per hour fw = ipc.readUD(0x1264) -- fuel quantity in gallons alt = ipc.readSD(0x3324) --altimeter reading in feet ias = ipc.readUD(0x02BC) --indicated airspeed --tas = ipc.readUD(0x02B8) --true airspeed --gs = ipc.readUD(0x02B4) --groundspeed ----------------------conversion----------------------- mach = mach / 20480 vs = vs * -3.28084 bank = bank * 360/ (4294967296) --conversion seems wrong bhp = bhp / 570 fw = fw * 6.17 ias = ias / 128 -- but only log this time IF we aren't in an FS menu, or loading scenery -- (check the "ready-to-fly" flag word at 3364) -- and provided we are not paused (flagged at 0264) if (ipc.readUW(0x3364) == 0) and (ipc.readUW(0x0264) == 0) then -- write a CSV line to the open file f:write(string.format("%d,%.3f,%.2f,%.2f,%.2f,%.2f,%d,%d\n",vs,mach,bank,bhp,ff,fw,alt,ias)) end -- 20 times per second, roughly (allow 2 mSecs overhead) ipc.sleep(48) end -- tidy up at end ... f:write("\n") f:close() -- end of example program ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- -------------------------------------------------------------------------------------------------------------ERROR------------------------------------------------- ********* LUA: "parameters test1" Log [from FSUIPC version 5.103] ********* 886422 System time = 23/06/2019 08:16:21, Simulator time = 14:05:16 (19:05Z) 886422 LUA: beginning "G:\P3Dv4\New folder\Modules\parameters test1.lua" 886422 *** LUA Error: G:\P3Dv4\New folder\Modules\parameters test1.lua:1: unexpected symbol near 'ï' 886422 >>> Thread forced exit (ipc.exit or os.exit) <<< 886422 System time = 23/06/2019 08:16:21, Simulator time = 14:05:16 (19:05Z) ********* LUA execution terminated: Log Closed ********* *************************************__________________________________________************************************ Thanks in advance
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