WSJT-X/lib/fsk4hf/genwsprcpm.f90
Steven Franke 1f9d73963b Update wsprcpm simulator and decoder.
git-svn-id: svn+ssh://svn.code.sf.net/p/wsjt/wsjt/branches/wsjtx@8603 ab8295b8-cf94-4d9e-aec4-7959e3be5d79
2018-04-03 14:55:55 +00:00

71 lines
1.9 KiB
Fortran

subroutine genwsprcpm(msg,msgsent,itone)
! Encode a WSPRCPM message, producing array itone().
!
use crc
include 'wsprcpm_params.f90'
character*22 msg,msgsent
character*64 cbits
character*32 sbits
integer iuniqueword0
integer*1,target :: idat(9)
integer*1 msgbits(68),codeword(ND)
logical first
integer icw(ND)
integer id(NS+ND)
integer jd(NS+ND)
integer ipreamble(16) !Freq estimation preamble
integer isync(200) !Long sync vector
integer itone(NN)
data ipreamble/1,1,1,1,0,0,0,0,0,0,0,0,1,1,1,1/
data first/.true./
data iuniqueword0/z'30C9E8AD'/
save first,isync,ipreamble
if(first) then
write(sbits,'(b32.32)') iuniqueword0
read(sbits,'(32i1)') isync(1:32)
read(sbits,'(32i1)') isync(33:64)
read(sbits,'(32i1)') isync(65:96)
read(sbits,'(32i1)') isync(97:128)
read(sbits,'(32i1)') isync(129:160)
read(sbits,'(32i1)') isync(161:192)
read(sbits,'(8i1)') isync(193:200)
first=.false.
endif
idat=0
call wqencode(msg,ntype0,idat) !Source encoding
id7=idat(7)
if(id7.lt.0) id7=id7+256
id7=id7/64
write(*,*) 'idat ',idat
icrc=crc14(c_loc(idat),9)
write(*,*) 'icrc: ',icrc
write(*,'(a6,b16.16)') 'icrc: ',icrc
call wqdecode(idat,msgsent,itype)
print*,msgsent,itype
write(cbits,1004) idat(1:6),id7,iand(icrc,z'3FFF')
1004 format(6b8.8,b2.2,b14.14)
msgbits=0
read(cbits,1006) msgbits(1:64)
1006 format(64i1)
write(*,'(50i1,1x,14i1,1x,4i1)') msgbits
call encode204(msgbits,codeword) !Encode the test message
! Message structure:
! d100 p16 d100
itone(1:100)=isync(1:100)+2*codeword(1:100)
itone(101:116)=ipreamble+1
itone(117:216)=isync(101:200)+2*codeword(101:200)
itone=2*itone-3
do i=1,216
write(*,*) i,itone(i)
enddo
return
end subroutine genwsprcpm