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Update some test routines.

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git-svn-id: svn+ssh://svn.code.sf.net/p/wsjt/wsjt/branches/wsjtx@7719 ab8295b8-cf94-4d9e-aec4-7959e3be5d79
This commit is contained in:
Joe Taylor 2017-06-15 13:47:47 +00:00
parent 7c56769454
commit 98877f526c
5 changed files with 67 additions and 34 deletions
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3
CMakeLists.txt
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@ -333,6 +333,7 @@ set (wsjt_FSRCS
lib/ccf65.f90
lib/fsk4hf/chkcrc10.f90
lib/fsk4hf/chkcrc12.f90
lib/fsk4hf/chkcrc12a.f90
lib/chkhist.f90
lib/chkmsg.f90
lib/chkss2.f90
@ -890,7 +891,7 @@ if (Fortran_COMPILER_NAME MATCHES "gfortran.*")
set (CMAKE_Fortran_FLAGS "${CMAKE_Fortran_FLAGS} -isysroot ${CMAKE_OSX_SYSROOT}")
endif (CMAKE_OSX_SYSROOT)
set (CMAKE_Fortran_FLAGS_RELEASE "${CMAKE_Fortran_FLAGS_RELEASE} -fbounds-check -funroll-all-loops -fno-f2c ${General_FFLAGS}")
set (CMAKE_Fortran_FLAGS_RELEASE "${CMAKE_Fortran_FLAGS_RELEASE} -funroll-all-loops -fno-f2c ${General_FFLAGS}")
set (CMAKE_Fortran_FLAGS_DEBUG "${CMAKE_Fortran_FLAGS_DEBUG} -fbounds-check -fno-f2c ${General_FFLAGS}")
elseif (Fortran_COMPILER_NAME MATCHES "ifort.*")
# ifort (untested)

24
lib/fsk4hf/chkcrc12a.f90 Normal file
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@ -0,0 +1,24 @@
subroutine chkcrc12a(decoded,nbadcrc)
use crc
integer*1 decoded(87)
integer*1, target:: i1Dec8BitBytes(11)
character*87 cbits
! Write decoded bits into cbits: 75-bit message plus 12-bit CRC
write(cbits,1000) decoded
1000 format(87i1)
read(cbits,1001) i1Dec8BitBytes
1001 format(11b8)
read(cbits,1002) ncrc12 !Received CRC12
1002 format(75x,b12)
i1Dec8BitBytes(10)=iand(i1Dec8BitBytes(10),128+64+32)
i1Dec8BitBytes(11)=0
icrc12=crc12(c_loc(i1Dec8BitBytes),11) !CRC12 computed from 75 msg bits
nbadcrc=1
if(ncrc12.eq.icrc12) nbadcrc=0
return
end subroutine chkcrc12a

30
lib/fsk4hf/extractmessage174.f90
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@ -6,28 +6,24 @@ subroutine extractmessage174(decoded,msgreceived,ncrcflag,recent_calls,nrecent)
character*22 msgreceived
character*12 call1,call2
character*12 recent_calls(nrecent)
character*87 cbits
integer*1 decoded(87)
integer*1, target:: i1Dec8BitBytes(11)
integer*4 i4Dec6BitWords(12)
! Collapse 87 decoded bits to 11 bytes. Bytes 1-9 are the message, byte 10 and first half of byte 11 is the crc
do ibyte=1,9
itmp=0
do ibit=1,8
itmp=ishft(itmp,1)+iand(1,decoded((ibyte-1)*8+ibit))
enddo
i1Dec8BitBytes(ibyte)=itmp
enddo
! Need to pack the crc into bytes 10 and 11 for crc12_check
! i1Dec8BitBytes(10)=decoded(73)*8+decoded(74)*4+decoded(75)*2+decoded(76)
! i1Dec8BitBytes(11)=decoded(77)*128+decoded(78)*64+decoded(79)*2*32+decoded(80)*16
! i1Dec8BitBytes(11)=i1Dec8BitBytes(11)+decoded(81)*8+decoded(82)*4+decoded(83)*2+decoded(84)
i1Dec8BitBytes(10)=decoded(76)*8+decoded(77)*4+decoded(78)*2+decoded(79)
i1Dec8BitBytes(11)=decoded(80)*128+decoded(81)*64+decoded(82)*2*32+decoded(83)*16
i1Dec8BitBytes(11)=i1Dec8BitBytes(11)+decoded(84)*8+decoded(85)*4+decoded(86)*2+decoded(87)
! Write decoded bits into cbits: 75-bit message plus 12-bit CRC
write(cbits,1000) decoded
1000 format(87i1)
read(cbits,1001) i1Dec8BitBytes
1001 format(11b8)
read(cbits,1002) ncrc12 !Received CRC12
1002 format(75x,b12)
! if( crc12_check(c_loc (i1Dec8BitBytes), 11) ) then
if(.true.) then !### TEST ###
i1Dec8BitBytes(10)=iand(i1Dec8BitBytes(10),128+64+32)
i1Dec8BitBytes(11)=0
icrc12=crc12(c_loc(i1Dec8BitBytes),11) !CRC12 computed from 75 msg bits
if(ncrc12.eq.icrc12) then
! CRC12 checks out --- unpack 72-bit message
do ibyte=1,12
itmp=0

13
lib/fsk4hf/ft8d.f90
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@ -13,7 +13,7 @@ program ft8d
include 'ft8_params.f90'
parameter(NRECENT=10)
character*12 recent_calls(NRECENT)
character message*22,cbits*75,infile*80,datetime*11
character message*22,infile*80,datetime*11
real s(NH1,NHSYM)
real s1(0:7,ND)
real ps(0:7)
@ -47,6 +47,7 @@ program ft8d
datetime=infile(j2-11:j2-1)
call sync8(iwave,xdt,f1,s)
xsnr=0.
tstep=0.5*NSPS/12000.0
df=12000.0/NFFT1
i0=nint(f1/df)
@ -83,15 +84,13 @@ program ft8d
ss=0.84
llr=2.0*rxdata/(ss*ss)
apmask=0
max_iterations=20
max_iterations=40
ifer=0
call bpdecode174(llr,apmask,max_iterations,decoded,niterations)
! if(niterations.lt.0) call osd174(llr,4,decoded,niterations,cw)
if(niterations.lt.0) call osd174(llr,2,decoded,niterations,cw)
nbadcrc=0
if(niterations.ge.0) call chkcrc10(decoded,nbadcrc)
! if(niterations.lt.0 .or. nbadcrc.ne.0) ifer=1
if(niterations.lt.0) ifer=1
! if(ifer.eq.0) exit
if(niterations.ge.0) call chkcrc12a(decoded,nbadcrc)
if(niterations.lt.0 .or. nbadcrc.ne.0) ifer=1
message=' '
if(ifer.eq.0) then

29
lib/fsk4hf/genft8.f90
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@ -4,27 +4,40 @@ subroutine genft8(msg,msgsent,itone)
use crc
use packjt
use hashing
include 'ft8_params.f90'
character*22 msg,msgsent
character*87 cbits
logical checksumok
integer*4 i4Msg6BitWords(12) !72-bit message as 6-bit words
integer*1 msgbits(KK),codeword(3*ND)
integer*1, target:: i1Msg8BitBytes(11)
integer itone(NN)
integer icos7(0:6)
data icos7/2,5,6,0,4,1,3/ !Costas 7x7 tone pattern
call packmsg(msg,i4Msg6BitWords,itype) !Pack into 12 6-bit bytes
call unpackmsg(i4Msg6BitWords,msgsent) !Unpack to get msgsent
i3bit=0 !### temporary ###
icrc12=0 !### temporary ###
i3bit=0 !### temporary ###
write(cbits,1000) i4Msg6BitWords,32*i3bit
1000 format(12b6.6,b8.8)
read(cbits,1001) i1Msg8BitBytes(1:10)
1001 format(10b8)
i1Msg8BitBytes(10)=iand(i1Msg8BitBytes(10),128+64+32)
i1Msg8BitBytes(11)=0
icrc12=crc12(c_loc(i1Msg8BitBytes),11)
write(cbits,1000) i4Msg6BitWords,i3bit,icrc12
1000 format(12b6.6,b3.3,b12.12)
read(cbits,1002) msgbits
1002 format(87i1)
! For reference, here's how to check the CRC
i1Msg8BitBytes(10)=icrc12/256
i1Msg8BitBytes(11)=iand (icrc12,255)
checksumok = crc12_check(c_loc (i1Msg8BitBytes), 11)
if( checksumok ) write(*,*) 'Good checksum'
write(cbits,1003) i4Msg6BitWords,i3bit,icrc12
1003 format(12b6.6,b3.3,b12.12)
read(cbits,1004) msgbits
1004 format(87i1)
print*,cbits
print*,icrc12
call encode174(msgbits,codeword) !Encode the test message