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https://github.com/saitohirga/WSJT-X.git
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67 lines
1.9 KiB
Fortran
67 lines
1.9 KiB
Fortran
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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 packjt
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character msg*22,msgsent*22,decoded,bad*1,msgtype*13,mygrid*6
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integer*4 i4tone(144)
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logical*1 bcontest
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include 'testmsg.f90'
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data mygrid/'FN20qi'/
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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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go to 999
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endif
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bcontest=.false.
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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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testmsg(NTEST+1)="<KA1ABC WB9XYZ> -03"
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testmsg(NTEST+2)="<KA1ABC WB9XYZ> R+03"
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testmsg(NTEST+3)="<KA1ABC WB9XYZ> RRR"
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testmsg(NTEST+4)="<KA1ABC WB9XYZ> 73"
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nmsg=NTEST+4
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endif
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write(*,1010)
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1010 format(" Message Decoded Err? Type"/ &
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74("-"))
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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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ichk=0
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call genmsk144(msg,mygrid,ichk,bcontest,msgsent,i4tone,itype)
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msgtype=""
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if(itype.eq.1) msgtype="Std Msg"
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if(itype.eq.2) msgtype="Type 1 prefix"
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if(itype.eq.3) msgtype="Type 1 suffix"
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if(itype.eq.4) msgtype="Type 2 prefix"
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if(itype.eq.5) msgtype="Type 2 suffix"
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if(itype.eq.6) msgtype="Free text"
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if(itype.eq.7) msgtype="Hashed callsigns"
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bad=" "
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if(msgsent.ne.msg) bad="*"
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write(*,1020) imsg,msg,msgsent,bad,itype,msgtype
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1020 format(i2,'.',2x,a22,2x,a22,3x,a1,i3,": ",a13)
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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(msg(1:1).eq."<") 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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