mirror of
https://github.com/saitohirga/WSJT-X.git
synced 2025-10-30 20:40:28 -04:00
01dff71070
Also bring message checking utilities up to date with the latest EU VHF Contest mode source encodings.
84 lines
2.4 KiB
Fortran
84 lines
2.4 KiB
Fortran
program msk144code
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! Provides examples of message packing, bit and symbol ordering,
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! LDPC encoding, and other necessary details of the MSK144 protocol.
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use packjt77
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character*77 c77
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character msg*37,msgsent*37,bad*1,msgtype*18
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integer*4 i4tone(144)
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include 'msk144_testmsg.f90'
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nargs=iargc()
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if(nargs.ne.1) then
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print*,'Usage: msk144code "message"'
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print*,' msk144code -t'
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print*,' '
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print*,'Examples:'
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print*,' msk144code "KA1ABC WB9XYZ EN37"'
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print*,' msk144code "<KA1ABC WB9XYZ> R-03"'
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print*,' msk144code "KA1ABC WB9XYZ R EN37"'
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go to 999
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endif
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call getarg(1,msg)
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nmsg=1
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if(msg(1:2).eq."-t") then
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nmsg=NTEST
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endif
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write(*,1010)
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1010 format(4x,"Message",31x,"Decoded",29x,"Err i3.n3"/100("-"))
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do imsg=1,nmsg
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if(nmsg.gt.1) msg=testmsg(imsg)
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call fmtmsg(msg,iz) !To upper case, collapse multiple blanks
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call genmsk_128_90(msg,ichk,msgsent,i4tone,itype)
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i3=-1
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n3=-1
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call pack77(msg,i3,n3,c77)
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msgtype=""
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if(i3.eq.0) then
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if(n3.eq.0) msgtype="Free text"
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if(n3.eq.1) msgtype="DXpedition mode"
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if(n3.eq.2) msgtype="EU VHF Contest"
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if(n3.eq.3) msgtype="ARRL Field Day"
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if(n3.eq.4) msgtype="ARRL Field Day"
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if(n3.eq.5) msgtype="Telemetry"
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if(n3.ge.6) msgtype="Undefined type"
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endif
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if(i3.eq.1) msgtype="Standard msg"
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if(i3.eq.2) msgtype="EU VHF Contest"
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if(i3.eq.3) msgtype="ARRL RTTY Roundup"
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if(i3.eq.4) msgtype="Nonstandard calls"
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if(i3.eq.5) msgtype="EU VHF Contest"
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if(i3.ge.6) msgtype="Undefined msg type"
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if(i3.ge.1) n3=-1
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if(i4tone(41).lt.0) then
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msgtype="Sh msg"
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i3=-1
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endif
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bad=" "
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if(msg.ne.msgsent) bad="*"
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if(i3.eq.0.and.n3.ge.0) then
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write(*,1020) imsg,msg,msgsent,bad,i3,n3,msgtype
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1020 format(i2,'.',1x,a37,1x,a37,1x,a1,2x,i1,'.',i1,1x,a18)
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elseif(i3.ge.1) then
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write(*,1022) imsg,msg,msgsent,bad,i3,msgtype
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1022 format(i2,'.',1x,a37,1x,a37,1x,a1,2x,i1,'.',1x,1x,a18)
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elseif(i3.lt.0) then
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write(*,1024) imsg,msg,msgsent,bad,msgtype
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1024 format(i2,'.',1x,a37,1x,a37,1x,a1,6x,a18)
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endif
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enddo
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if(nmsg.eq.1) then
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n=144
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if(i4tone(41).lt.0) n=40
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write(*,1030) i4tone(1:n)
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1030 format(/'Channel symbols'/(72i1))
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endif
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999 end program msk144code
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