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https://github.com/saitohirga/WSJT-X.git
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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
parent
4b1bfcfd55
commit
69631297a3
@ -330,6 +330,8 @@ set (wsjt_FSRCS
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lib/downsam9.f90
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lib/encode232.f90
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lib/encode4.f90
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lib/encode_msk40.f90
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lib/encode_msk144.f90
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lib/entail.f90
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lib/ephem.f90
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lib/extract.f90
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@ -1075,9 +1077,6 @@ target_link_libraries (msk144sim wsjt_fort wsjt_cxx)
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add_executable (msk144d lib/msk144d.f90 wsjtx.rc)
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target_link_libraries (msk144d wsjt_fort wsjt_cxx)
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add_executable (encode lib/ldpc/encode.c wsjtx.rc)
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target_link_libraries (encode wsjt_fort wsjt_cxx)
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add_executable (jt9 ${jt9_FSRCS} ${jt9_CXXSRCS} wsjtx.rc)
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if (${OPENMP_FOUND} OR APPLE)
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if (APPLE)
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@ -1215,7 +1214,7 @@ install (TARGETS udp_daemon message_aggregator
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BUNDLE DESTINATION ${WSJT_BIN_DESTINATION} COMPONENT runtime
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)
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install (TARGETS jt9 jt65code qra64code qra64sim jt9code jt4code wsprd msk32d msk32d_ldpc encode
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install (TARGETS jt9 jt65code qra64code qra64sim jt9code jt4code wsprd msk32d msk32d_ldpc
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RUNTIME DESTINATION ${WSJT_BIN_DESTINATION} COMPONENT runtime
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BUNDLE DESTINATION ${WSJT_BIN_DESTINATION} COMPONENT runtime
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)
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@ -1,6 +1,4 @@
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subroutine genmsk144(msg0,ichk,msgsent,i4tone,itype,pchk_file,ldpc_msg, &
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encodeExeFile)
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subroutine genmsk144(msg0,ichk,msgsent,i4tone,itype)
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!!!!!!!!!!!!!!!!!! Experimental small blocklength ldpc version
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! s8 + 48bits + s8 + 80 bits = 144 bits (72ms message duration)
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!
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@ -23,9 +21,6 @@ subroutine genmsk144(msg0,ichk,msgsent,i4tone,itype,pchk_file,ldpc_msg, &
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use iso_c_binding, only: c_loc,c_size_t
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use packjt
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use hashing
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character*512 pchk_file,gen_file,ldpc_msg,ldpc_cw,encodeExeFile
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character*120 fname1,fname2
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character*2048 cmnd
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character*22 msg0
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character*22 message !Message to be generated
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character*22 msgsent !Message as it will be received
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@ -36,30 +31,15 @@ subroutine genmsk144(msg0,ichk,msgsent,i4tone,itype,pchk_file,ldpc_msg, &
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integer*1 msgbits(80) !72-bit message + 8-bit hash
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integer*1 bitseq(144) !Tone #s, data and sync (values 0-1)
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integer*1 i1hash(4)
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integer*1 b7(7)
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integer*1 s8(8)
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integer*1 b11(11)
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integer*1 b13(13)
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real*8 pp(12)
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real*8 xi(864),xq(864),pi,twopi
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data b7/1,1,1,0,0,1,0/
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data s8/0,1,1,1,0,0,1,0/
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data b11/1,1,1,0,0,0,1,0,0,1,0/ !Barker 11 code
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data b13/1,1,1,1,1,0,0,1,1,0,1,0,1/ !Barker 13 code
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equivalence (ihash,i1hash)
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logical first
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data first/.true./
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save
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i=index(pchk_file,".pchk")
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gen_file=pchk_file(1:i-1)//".gen"
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i=index(ldpc_msg,"ldpc_msg")
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ldpc_cw=ldpc_msg(1:i-1)//"ldpc_cw"
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fname1=trim(ldpc_msg)
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fname2=trim(ldpc_cw)
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! call init_ldpc(trim(pchk_file)//char(0),trim(gen_file)//char(0))
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if( first ) then
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first=.false.
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nsym=128
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@ -90,8 +70,7 @@ subroutine genmsk144(msg0,ichk,msgsent,i4tone,itype,pchk_file,ldpc_msg, &
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enddo
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if(message(1:1).eq.'<') then
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call genmsk40(message,msgsent,ichk,i4tone,itype,pchk_file, &
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fname1,fname2,encodeExeFile)
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call genmsk40(message,msgsent,ichk,i4tone,itype)
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if(itype.lt.0) go to 999
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i4tone(41)=-40
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go to 999
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@ -131,22 +110,7 @@ subroutine genmsk144(msg0,ichk,msgsent,i4tone,itype,pchk_file,ldpc_msg, &
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enddo
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enddo
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! call ldpc_encode(msgbits,codeword)
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! print*,fname1
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! print*,fname2
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open(24,file=fname1,status='unknown')
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write(24,1010) msgbits
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1010 format(80i1)
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close(24)
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cmnd=trim(encodeExeFile)//' "'//trim(pchk_file)//'" "'// &
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trim(gen_file)//'" "'//trim(fname1)//'" "'//trim(fname2)//'"'
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call system(trim(cmnd))
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open(24,file=fname2,status='old')
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read(24,1020) codeword
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1020 format(128i1)
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close(24)
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call encode_msk144(msgbits,codeword)
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!Create 144-bit channel vector:
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!8-bit sync word + 48 bits + 8-bit sync word + 80 bits
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@ -167,7 +131,6 @@ subroutine genmsk144(msg0,ichk,msgsent,i4tone,itype,pchk_file,ldpc_msg, &
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is=(i-1)*12+1
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xi(is:is+11)=bitseq(2*i)*pp
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enddo
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! Map I and Q to tones.
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i4tone=0
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do i=1,72
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@ -1,15 +1,10 @@
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subroutine genmsk40(msg,msgsent,ichk,itone,itype,pchk_file,fname1,fname2,encodeExeFile)
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subroutine genmsk40(msg,msgsent,ichk,itone,itype)
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use hashing
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character*22 msg,msgsent,hashmsg
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character*4 crpt,rpt(0:15)
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character*512 encodeExeFile
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character*512 pchk_file
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character*512 pchk_file40,gen_file40
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character*120 fname1,fname2
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character*2048 cmnd
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logical first
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integer itone(144)
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integer*4 itone(144)
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integer*1 message(16),codeword(32),bitseq(40)
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integer*1 s8r(8)
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data s8r/1,0,1,1,0,0,0,1/ ! Sync word is reversed wrt msk144 sync word.
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@ -19,12 +14,6 @@ subroutine genmsk40(msg,msgsent,ichk,itone,itype,pchk_file,fname1,fname2,encodeE
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"RRR ","73 "/
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save first,rpt
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! Temporarily hardwire filenames and init on every call
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i=index(pchk_file,"128-80")
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pchk_file40=pchk_file(1:i-1)//"32-16"//pchk_file(i+6:)
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i=index(pchk_file40,".pchk")
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gen_file40=pchk_file40(1:i-1)//".gen"
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! call init_ldpc(trim(pchk_file40)//char(0),trim(gen_file40)//char(0))
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itype=-1
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msgsent='*** bad message ***'
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itone=0
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@ -51,19 +40,7 @@ subroutine genmsk40(msg,msgsent,ichk,itone,itype,pchk_file,fname1,fname2,encodeE
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message(i)=iand(1,ishft(ig,1-i))
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enddo
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! call ldpc_encode(message,codeword)
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open(24,file=fname1,status='unknown')
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write(24,1010) message
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1010 format(16i1)
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close(24)
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cmnd=trim(encodeExeFile)//' "'//trim(pchk_file40)//'" "'//trim(gen_file40)//'" "' &
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//trim(fname1)//'" "'//trim(fname2)//'"'
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call system(cmnd)
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open(24,file=fname2,status='old')
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read(24,1020) codeword
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1020 format(32i1)
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close(24)
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call encode_msk40(message,codeword)
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! write(*,'(a6,i6,2x,a6,i6,2x,a6,i6)') ' msg: ',ig,'rprt: ',irpt,'hash: ',ihash
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! write(*,'(a6,32i1)') ' cw: ',codeword
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@ -79,8 +79,7 @@ extern "C" {
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int* itext, int len1, int len2);
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void genmsk144_(char* msg, int* ichk, char* msgsent, int itone[],
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int* itext, char pchkFile[], char ldpcMsgFile[], char encodeExeFile[],
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int len1, int len2, int len3, int len4, int len5);
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int* itext, int len1, int len2);
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void gen65_(char* msg, int* ichk, char* msgsent, int itone[],
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int* itext, int len1, int len2);
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@ -2768,8 +2767,7 @@ void MainWindow::guiUpdate()
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&m_currentMessageType, len1, len1);
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if(m_modeTx=="MSK144") {
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genmsk144_(message, &ichk, msgsent, const_cast<int *> (itone),
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&m_currentMessageType, &m_pchkFile[0], &m_ldpcMsgFile[0],
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&m_encodeExeFile[0], len1, len1, 512, 512, 512);
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&m_currentMessageType, len1, len1);
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if(m_restart) {
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int nsym=144;
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if(itone[40]==-40) nsym=40;
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