Add new MSK144 encoding routines and make the necessary accommodations.

git-svn-id: svn+ssh://svn.code.sf.net/p/wsjt/wsjt/branches/wsjtx@7022 ab8295b8-cf94-4d9e-aec4-7959e3be5d79
This commit is contained in:
Steven Franke 2016-08-11 19:25:20 +00:00
parent 73a76b5740
commit f803c5cf6f
5 changed files with 13 additions and 76 deletions

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@ -330,6 +330,8 @@ set (wsjt_FSRCS
lib/downsam9.f90
lib/encode232.f90
lib/encode4.f90
lib/encode_msk40.f90
lib/encode_msk144.f90
lib/entail.f90
lib/ephem.f90
lib/extract.f90
@ -1075,9 +1077,6 @@ target_link_libraries (msk144sim wsjt_fort wsjt_cxx)
add_executable (msk144d lib/msk144d.f90 wsjtx.rc)
target_link_libraries (msk144d wsjt_fort wsjt_cxx)
add_executable (encode lib/ldpc/encode.c wsjtx.rc)
target_link_libraries (encode wsjt_fort wsjt_cxx)
add_executable (jt9 ${jt9_FSRCS} ${jt9_CXXSRCS} wsjtx.rc)
if (${OPENMP_FOUND} OR APPLE)
if (APPLE)
@ -1215,7 +1214,7 @@ install (TARGETS udp_daemon message_aggregator
BUNDLE DESTINATION ${WSJT_BIN_DESTINATION} COMPONENT runtime
)
install (TARGETS jt9 jt65code qra64code qra64sim jt9code jt4code wsprd msk32d msk32d_ldpc encode
install (TARGETS jt9 jt65code qra64code qra64sim jt9code jt4code wsprd msk32d msk32d_ldpc
RUNTIME DESTINATION ${WSJT_BIN_DESTINATION} COMPONENT runtime
BUNDLE DESTINATION ${WSJT_BIN_DESTINATION} COMPONENT runtime
)

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@ -239,7 +239,7 @@ qint64 Modulator::readData (char * data, qint64 maxSize)
}
}
// qDebug() << "B" << m_bFastMode << m_ic << numFrames << isym << itone[isym]
// << m_toneFrequency0 << m_nsps;
// << m_toneFrequency0 << m_nsps;
m_dphi = m_twoPi * m_toneFrequency0 / m_frameRate;
m_isym0 = isym;
m_frequency0 = m_frequency; //???

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@ -1,6 +1,4 @@
subroutine genmsk144(msg0,ichk,msgsent,i4tone,itype,pchk_file,ldpc_msg, &
encodeExeFile)
subroutine genmsk144(msg0,ichk,msgsent,i4tone,itype)
!!!!!!!!!!!!!!!!!! Experimental small blocklength ldpc version
! s8 + 48bits + s8 + 80 bits = 144 bits (72ms message duration)
!
@ -23,9 +21,6 @@ subroutine genmsk144(msg0,ichk,msgsent,i4tone,itype,pchk_file,ldpc_msg, &
use iso_c_binding, only: c_loc,c_size_t
use packjt
use hashing
character*512 pchk_file,gen_file,ldpc_msg,ldpc_cw,encodeExeFile
character*120 fname1,fname2
character*2048 cmnd
character*22 msg0
character*22 message !Message to be generated
character*22 msgsent !Message as it will be received
@ -36,30 +31,15 @@ subroutine genmsk144(msg0,ichk,msgsent,i4tone,itype,pchk_file,ldpc_msg, &
integer*1 msgbits(80) !72-bit message + 8-bit hash
integer*1 bitseq(144) !Tone #s, data and sync (values 0-1)
integer*1 i1hash(4)
integer*1 b7(7)
integer*1 s8(8)
integer*1 b11(11)
integer*1 b13(13)
real*8 pp(12)
real*8 xi(864),xq(864),pi,twopi
data b7/1,1,1,0,0,1,0/
data s8/0,1,1,1,0,0,1,0/
data b11/1,1,1,0,0,0,1,0,0,1,0/ !Barker 11 code
data b13/1,1,1,1,1,0,0,1,1,0,1,0,1/ !Barker 13 code
equivalence (ihash,i1hash)
logical first
data first/.true./
save
i=index(pchk_file,".pchk")
gen_file=pchk_file(1:i-1)//".gen"
i=index(ldpc_msg,"ldpc_msg")
ldpc_cw=ldpc_msg(1:i-1)//"ldpc_cw"
fname1=trim(ldpc_msg)
fname2=trim(ldpc_cw)
! call init_ldpc(trim(pchk_file)//char(0),trim(gen_file)//char(0))
if( first ) then
first=.false.
nsym=128
@ -90,8 +70,7 @@ subroutine genmsk144(msg0,ichk,msgsent,i4tone,itype,pchk_file,ldpc_msg, &
enddo
if(message(1:1).eq.'<') then
call genmsk40(message,msgsent,ichk,i4tone,itype,pchk_file, &
fname1,fname2,encodeExeFile)
call genmsk40(message,msgsent,ichk,i4tone,itype)
if(itype.lt.0) go to 999
i4tone(41)=-40
go to 999
@ -131,22 +110,7 @@ subroutine genmsk144(msg0,ichk,msgsent,i4tone,itype,pchk_file,ldpc_msg, &
enddo
enddo
! call ldpc_encode(msgbits,codeword)
! print*,fname1
! print*,fname2
open(24,file=fname1,status='unknown')
write(24,1010) msgbits
1010 format(80i1)
close(24)
cmnd=trim(encodeExeFile)//' "'//trim(pchk_file)//'" "'// &
trim(gen_file)//'" "'//trim(fname1)//'" "'//trim(fname2)//'"'
call system(trim(cmnd))
open(24,file=fname2,status='old')
read(24,1020) codeword
1020 format(128i1)
close(24)
call encode_msk144(msgbits,codeword)
!Create 144-bit channel vector:
!8-bit sync word + 48 bits + 8-bit sync word + 80 bits
@ -167,7 +131,6 @@ subroutine genmsk144(msg0,ichk,msgsent,i4tone,itype,pchk_file,ldpc_msg, &
is=(i-1)*12+1
xi(is:is+11)=bitseq(2*i)*pp
enddo
! Map I and Q to tones.
i4tone=0
do i=1,72
@ -178,6 +141,6 @@ subroutine genmsk144(msg0,ichk,msgsent,i4tone,itype,pchk_file,ldpc_msg, &
! Flip polarity
i4tone=-i4tone+1
999 return
end subroutine genmsk144

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@ -1,15 +1,10 @@
subroutine genmsk40(msg,msgsent,ichk,itone,itype,pchk_file,fname1,fname2,encodeExeFile)
subroutine genmsk40(msg,msgsent,ichk,itone,itype)
use hashing
character*22 msg,msgsent,hashmsg
character*4 crpt,rpt(0:15)
character*512 encodeExeFile
character*512 pchk_file
character*512 pchk_file40,gen_file40
character*120 fname1,fname2
character*2048 cmnd
logical first
integer itone(144)
integer*4 itone(144)
integer*1 message(16),codeword(32),bitseq(40)
integer*1 s8r(8)
data s8r/1,0,1,1,0,0,0,1/ ! Sync word is reversed wrt msk144 sync word.
@ -19,12 +14,6 @@ subroutine genmsk40(msg,msgsent,ichk,itone,itype,pchk_file,fname1,fname2,encodeE
"RRR ","73 "/
save first,rpt
! Temporarily hardwire filenames and init on every call
i=index(pchk_file,"128-80")
pchk_file40=pchk_file(1:i-1)//"32-16"//pchk_file(i+6:)
i=index(pchk_file40,".pchk")
gen_file40=pchk_file40(1:i-1)//".gen"
! call init_ldpc(trim(pchk_file40)//char(0),trim(gen_file40)//char(0))
itype=-1
msgsent='*** bad message ***'
itone=0
@ -51,19 +40,7 @@ subroutine genmsk40(msg,msgsent,ichk,itone,itype,pchk_file,fname1,fname2,encodeE
message(i)=iand(1,ishft(ig,1-i))
enddo
! call ldpc_encode(message,codeword)
open(24,file=fname1,status='unknown')
write(24,1010) message
1010 format(16i1)
close(24)
cmnd=trim(encodeExeFile)//' "'//trim(pchk_file40)//'" "'//trim(gen_file40)//'" "' &
//trim(fname1)//'" "'//trim(fname2)//'"'
call system(cmnd)
open(24,file=fname2,status='old')
read(24,1020) codeword
1020 format(32i1)
close(24)
call encode_msk40(message,codeword)
! write(*,'(a6,i6,2x,a6,i6,2x,a6,i6)') ' msg: ',ig,'rprt: ',irpt,'hash: ',ihash
! write(*,'(a6,32i1)') ' cw: ',codeword

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@ -79,8 +79,7 @@ extern "C" {
int* itext, int len1, int len2);
void genmsk144_(char* msg, int* ichk, char* msgsent, int itone[],
int* itext, char pchkFile[], char ldpcMsgFile[], char encodeExeFile[],
int len1, int len2, int len3, int len4, int len5);
int* itext, int len1, int len2);
void gen65_(char* msg, int* ichk, char* msgsent, int itone[],
int* itext, int len1, int len2);
@ -2768,8 +2767,7 @@ void MainWindow::guiUpdate()
&m_currentMessageType, len1, len1);
if(m_modeTx=="MSK144") {
genmsk144_(message, &ichk, msgsent, const_cast<int *> (itone),
&m_currentMessageType, &m_pchkFile[0], &m_ldpcMsgFile[0],
&m_encodeExeFile[0], len1, len1, 512, 512, 512);
&m_currentMessageType, len1, len1);
if(m_restart) {
int nsym=144;
if(itone[40]==-40) nsym=40;