64 lines
1.7 KiB
Plaintext
64 lines
1.7 KiB
Plaintext
|
subroutine genwsprdpsk(msg,msgsent,imsgde)
|
||
|
|
|
||
|
|
! Encode a WSPRDPSK message, producing array txwave().
|
||
|
|
!
|
||
|
|
use crc
|
||
|
|
include 'wsprdpsk_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 ipreamble(16) !Freq estimation preamble
|
||
|
|
integer isync(32) !Long sync vector
|
||
|
|
integer imsg(NN),imsgde(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)
|
||
|
|
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
|
||
|
|
|
||
|
|
imsg(1)=1 !reference bit
|
||
|
|
imsg(2:101)=codeword(1:100)
|
||
|
|
imsg(102:132)=isync(1:31) !only use 31 of the sync bits
|
||
|
|
imsg(133:232)=codeword(101:200)
|
||
|
|
write(*,'(232i1)') imsg(1:232)
|
||
|
|
imsgde(1)=1
|
||
|
|
do i=2,232
|
||
|
|
imsgde(i)=mod(imsgde(i-1)+imsg(i),2)
|
||
|
|
enddo
|
||
|
|
|
||
|
|
write(*,*) '-------------'
|
||
|
|
write(*,'(232i1)') imsgde(1:232)
|
||
|
|
return
|
||
|
|
end subroutine genwsprdpsk
|