mirror of
https://github.com/saitohirga/WSJT-X.git
synced 2026-06-01 21:45:00 -04:00
Rename fst240 to fst4 in Fortran routines.
This commit is contained in:
Steven Franke
+13
-13
@@ -8,7 +8,7 @@ subroutine multimode_decoder(ss,id2,params,nfsample)
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use jt9_decode
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use ft8_decode
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use ft4_decode
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use fst240_decode
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use fst4_decode
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include 'jt9com.f90'
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include 'timer_common.inc'
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@@ -33,9 +33,9 @@ subroutine multimode_decoder(ss,id2,params,nfsample)
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integer :: decoded
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end type counting_ft4_decoder
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type, extends(fst240_decoder) :: counting_fst240_decoder
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type, extends(fst4_decoder) :: counting_fst4_decoder
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integer :: decoded
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end type counting_fst240_decoder
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end type counting_fst4_decoder
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real ss(184,NSMAX)
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logical baddata,newdat65,newdat9,single_decode,bVHF,bad0,newdat,ex
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@@ -53,7 +53,7 @@ subroutine multimode_decoder(ss,id2,params,nfsample)
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type(counting_jt9_decoder) :: my_jt9
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type(counting_ft8_decoder) :: my_ft8
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type(counting_ft4_decoder) :: my_ft4
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type(counting_fst240_decoder) :: my_fst240
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type(counting_fst4_decoder) :: my_fst4
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!cast C character arrays to Fortran character strings
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datetime=transfer(params%datetime, datetime)
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@@ -68,7 +68,7 @@ subroutine multimode_decoder(ss,id2,params,nfsample)
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my_jt9%decoded = 0
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my_ft8%decoded = 0
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my_ft4%decoded = 0
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my_fst240%decoded = 0
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my_fst4%decoded = 0
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! For testing only: return Rx messages stored in a file as decodes
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inquire(file='rx_messages.txt',exist=ex)
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@@ -193,7 +193,7 @@ subroutine multimode_decoder(ss,id2,params,nfsample)
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iwspr=0
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if(iand(params%ndepth,128).ne.0) iwspr=2
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call timer('dec240 ',0)
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call my_fst240%decode(fst240_decoded,id2,params%nutc, &
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call my_fst4%decode(fst4_decoded,id2,params%nutc, &
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params%nQSOProgress,params%nfqso,params%nfa,params%nfb, &
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params%nsubmode,ndepth,params%ntr,params%nexp_decode, &
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params%ntol,params%emedelay, &
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@@ -207,7 +207,7 @@ subroutine multimode_decoder(ss,id2,params,nfsample)
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ndepth=iand(params%ndepth,3)
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iwspr=1
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call timer('dec240 ',0)
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call my_fst240%decode(fst240_decoded,id2,params%nutc, &
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call my_fst4%decode(fst4_decoded,id2,params%nutc, &
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params%nQSOProgress,params%nfqso,params%nfa,params%nfb, &
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params%nsubmode,ndepth,params%ntr,params%nexp_decode, &
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params%ntol,params%emedelay, &
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@@ -335,7 +335,7 @@ subroutine multimode_decoder(ss,id2,params,nfsample)
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! JT65 is not yet producing info for nsynced, ndecoded.
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800 ndecoded = my_jt4%decoded + my_jt65%decoded + my_jt9%decoded + &
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my_ft8%decoded + my_ft4%decoded + my_fst240%decoded
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my_ft8%decoded + my_ft4%decoded + my_fst4%decoded
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if(params%nmode.eq.8 .and. params%nzhsym.eq.41) ndec41=ndecoded
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if(params%nmode.eq.8 .and. params%nzhsym.eq.47) ndec47=ndecoded
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if(params%nmode.eq.8 .and. params%nzhsym.eq.50) then
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@@ -697,13 +697,13 @@ contains
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return
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end subroutine ft4_decoded
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subroutine fst240_decoded (this,nutc,sync,nsnr,dt,freq,decoded,nap, &
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subroutine fst4_decoded (this,nutc,sync,nsnr,dt,freq,decoded,nap, &
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qual,ntrperiod,lwspr,fmid,w50)
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use fst240_decode
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use fst4_decode
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implicit none
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class(fst240_decoder), intent(inout) :: this
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class(fst4_decoder), intent(inout) :: this
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integer, intent(in) :: nutc
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real, intent(in) :: sync
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integer, intent(in) :: nsnr
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@@ -752,11 +752,11 @@ contains
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call flush(13)
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select type(this)
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type is (counting_fst240_decoder)
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type is (counting_fst4_decoder)
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this%decoded = this%decoded + 1
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end select
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return
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end subroutine fst240_decoded
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end subroutine fst4_decoded
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end subroutine multimode_decoder
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@@ -1,4 +1,4 @@
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! FST240
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! FST4
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! LDPC(240,101)/CRC24 code, five 8x4 sync
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parameter (KK=77) !Information bits (77 + CRC24)
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@@ -1,10 +1,10 @@
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program fst240sim
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program fst4sim
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! Generate simulated signals for experimental slow FT4 mode
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use wavhdr
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use packjt77
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include 'fst240_params.f90' !Set various constants
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include 'fst4_params.f90' !Set various constants
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type(hdr) h !Header for .wav file
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logical*1 wspr_hint
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character arg*12,fname*17
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@@ -21,8 +21,8 @@ program fst240sim
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nargs=iargc()
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if(nargs.ne.10) then
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print*,'Need 10 arguments, got ',nargs
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print*,'Usage: fst240sim "message" TRsec f0 DT h fdop del nfiles snr W'
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print*,'Examples: fst240sim "K1JT K9AN EN50" 60 1500 0.0 1 0.1 1.0 10 -15 F'
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print*,'Usage: fst4sim "message" TRsec f0 DT h fdop del nfiles snr W'
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print*,'Examples: fst4sim "K1JT K9AN EN50" 60 1500 0.0 1 0.1 1.0 10 -15 F'
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print*,'W (T or F) argument is hint to encoder to use WSPR message when there is abiguity'
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go to 999
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endif
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@@ -86,7 +86,7 @@ program fst240sim
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endif
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call pack77(msg37,i3,n3,c77)
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if(i3.eq.0.and.n3.eq.6) iwspr=1
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call genfst240(msg37,0,msgsent37,msgbits,itone,iwspr)
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call genfst4(msg37,0,msgsent37,msgbits,itone,iwspr)
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write(*,*)
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write(*,'(a9,a37,a3,L2,a7,i2)') 'Message: ',msgsent37,'W:',wspr_hint,' iwspr:',iwspr
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write(*,1000) f00,xdt,hmod,txt,snrdb
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@@ -109,7 +109,7 @@ program fst240sim
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fsample=12000.0
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icmplx=1
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f0=f00+1.5*hmod*baud
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call gen_fst240wave(itone,NN,nsps,nwave,fsample,hmod,f0,icmplx,c0,wave)
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call gen_fst4wave(itone,NN,nsps,nwave,fsample,hmod,f0,icmplx,c0,wave)
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k=nint((xdt+1.0)/dt)
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if(nsec.eq.15) k=nint((xdt+0.5)/dt)
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c0=cshift(c0,-k)
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@@ -152,4 +152,4 @@ program fst240sim
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1110 format(i4,f7.2,f8.2,f7.1,2x,a17)
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enddo
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999 end program fst240sim
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999 end program fst4sim
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@@ -1,4 +1,4 @@
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subroutine gen_fst240wave(itone,nsym,nsps,nwave,fsample,hmod,f0, &
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subroutine gen_fst4wave(itone,nsym,nsps,nwave,fsample,hmod,f0, &
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icmplx,cwave,wave)
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parameter(NTAB=65536)
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@@ -88,4 +88,4 @@ subroutine gen_fst240wave(itone,nsym,nsps,nwave,fsample,hmod,f0, &
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endif
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return
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end subroutine gen_fst240wave
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end subroutine gen_fst4wave
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@@ -0,0 +1,108 @@
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subroutine genfst240_64(msg0,ichk,msgsent,msgbits,i4tone,iwspr)
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! Input:
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! - msg0 requested message to be transmitted
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! - ichk if ichk=1, return only msgsent
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! - msgsent message as it will be decoded
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! - i4tone array of audio tone values, {0,1,2,3}
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! - iwspr 0: (240,101)/crc24, 1: (240,74)/crc24
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!
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! Frame structure:
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! s8 d30 s8 d30 s8 d30 s8 d30 s8
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use packjt77
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include 'fst240_params.f90'
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character*37 msg0
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character*37 message !Message to be generated
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character*37 msgsent !Message as it will be received
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character*77 c77
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character*24 c24
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integer*4 i4tone(NN),itmp(ND)
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integer*1 codeword(2*ND)
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integer*1 msgbits(101),rvec(77)
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integer isyncword1(8),isyncword2(8)
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integer ncrc24
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integer graymap64(64)
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logical unpk77_success
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data isyncword1/3,1,4,0,6,5,2/
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data rvec/0,1,0,0,1,0,1,0,0,1,0,1,1,1,1,0,1,0,0,0,1,0,0,1,1,0,1,1,0, &
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1,0,0,1,0,1,1,0,0,0,0,1,0,0,0,1,0,1,0,0,1,1,1,1,0,0,1,0,1, &
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0,1,0,1,0,1,1,0,1,1,1,1,1,0,0,0,1,0,1/
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data graymap64/ 0, 1, 3, 2, 6, 7, 5, 4,12,13,15,14,10,11, 9, 8, &
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24,25,27,26,30,31,29,28,20,21,23,22,18,19,17,16, &
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48,49,51,50,54,55,53,52,60,61,63,62,58,59,57,56, &
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40,41,43,42,46,47,45,44,36,37,39,38,34,35,33,32/
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message=msg0
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do i=1, 37
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if(ichar(message(i:i)).eq.0) then
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message(i:37)=' '
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exit
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endif
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enddo
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do i=1,37 !Strip leading blanks
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if(message(1:1).ne.' ') exit
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message=message(i+1:)
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enddo
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i3=-1
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n3=-1
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call pack77(message,i3,n3,c77)
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call unpack77(c77,0,msgsent,unpk77_success) !Unpack to get msgsent
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msgbits=0
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iwspr=0
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if(i3.eq.0.and.n3.eq.6) then
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iwspr=1
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read(c77,'(50i1)') msgbits(1:50)
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call get_crc24(msgbits,74,ncrc24)
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write(c24,'(b24.24)') ncrc24
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read(c24,'(24i1)') msgbits(51:74)
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else
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read(c77,'(77i1)') msgbits(1:77)
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msgbits(1:77)=mod(msgbits(1:77)+rvec,2)
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call get_crc24(msgbits,101,ncrc24)
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write(c24,'(b24.24)') ncrc24
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read(c24,'(24i1)') msgbits(78:101)
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endif
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if(ichk.eq.1) go to 999
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if(unpk77_success) go to 2
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1 msgbits=0
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itone=0
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msgsent='*** bad message *** '
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go to 999
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entry get_fst240_tones_from_bits(msgbits,i4tone,iwspr)
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2 continue
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if(iwspr.eq.0) then
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call encode240_101(msgbits,codeword)
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else
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call encode240_74(msgbits(1:74),codeword)
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endif
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! Grayscale mapping:
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! bits tone
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do i=1,40
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is=codeword(2*i)+2*codeword(2*i-1)
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if(is.le.1) itmp(i)=is
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if(is.eq.2) itmp(i)=3
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if(is.eq.3) itmp(i)=2
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enddo
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i4tone( 1: 8)=isyncword1
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i4tone( 9: 38)=itmp( 1: 30)
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i4tone( 39: 46)=isyncword2
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i4tone( 47: 76)=itmp( 31: 60)
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i4tone( 77: 84)=isyncword1
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i4tone( 85:114)=itmp( 61: 90)
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i4tone(115:122)=isyncword2
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i4tone(123:152)=itmp( 91:120)
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i4tone(153:160)=isyncword1
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999 return
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end subroutine genfst240_64
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subroutine graycode(in
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@@ -1,4 +1,4 @@
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subroutine genfst240(msg0,ichk,msgsent,msgbits,i4tone,iwspr)
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subroutine genfst4(msg0,ichk,msgsent,msgbits,i4tone,iwspr)
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! Input:
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! - msg0 requested message to be transmitted
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@@ -12,7 +12,7 @@ subroutine genfst240(msg0,ichk,msgsent,msgbits,i4tone,iwspr)
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! s8 d30 s8 d30 s8 d30 s8 d30 s8
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use packjt77
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include 'fst240_params.f90'
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include 'fst4_params.f90'
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character*37 msg0
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character*37 message !Message to be generated
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character*37 msgsent !Message as it will be received
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@@ -73,7 +73,7 @@ subroutine genfst240(msg0,ichk,msgsent,msgbits,i4tone,iwspr)
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msgsent='*** bad message *** '
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go to 999
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entry get_fst240_tones_from_bits(msgbits,i4tone,iwspr)
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entry get_fst4_tones_from_bits(msgbits,i4tone,iwspr)
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2 continue
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if(iwspr.eq.0) then
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@@ -108,4 +108,4 @@ subroutine genfst240(msg0,ichk,msgsent,msgbits,i4tone,iwspr)
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999 return
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end subroutine genfst240
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end subroutine genfst4
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@@ -1,6 +1,6 @@
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subroutine get_fst240_bitmetrics(cd,nss,hmod,nmax,nhicoh,bitmetrics,s4,badsync)
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subroutine get_fst4_bitmetrics(cd,nss,hmod,nmax,nhicoh,bitmetrics,s4,badsync)
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include 'fst240_params.f90'
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include 'fst4_params.f90'
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complex cd(0:NN*nss-1)
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complex cs(0:3,NN)
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complex csymb(nss)
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@@ -128,4 +128,4 @@ subroutine get_fst240_bitmetrics(cd,nss,hmod,nmax,nhicoh,bitmetrics,s4,badsync)
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call normalizebmet(bitmetrics(:,4),2*NN)
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return
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end subroutine get_fst240_bitmetrics
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end subroutine get_fst4_bitmetrics
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@@ -1,6 +1,6 @@
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subroutine get_fst240_bitmetrics2(cd,nss,hmod,nsizes,bitmetrics,s4hmod,badsync)
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subroutine get_fst4_bitmetrics2(cd,nss,hmod,nsizes,bitmetrics,s4hmod,badsync)
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include 'fst240_params.f90'
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include 'fst4_params.f90'
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complex cd(0:NN*nss-1)
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complex csymb(nss)
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complex, allocatable, save :: c1(:,:) ! ideal waveforms, 4 tones
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@@ -128,4 +128,4 @@ subroutine get_fst240_bitmetrics2(cd,nss,hmod,nsizes,bitmetrics,s4hmod,badsync)
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if(hmod.eq.8) s4hmod(:,:)=s4(:,:,4)
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return
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end subroutine get_fst240_bitmetrics2
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end subroutine get_fst4_bitmetrics2
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@@ -1,17 +1,17 @@
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module fst240_decode
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module fst4_decode
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type :: fst240_decoder
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procedure(fst240_decode_callback), pointer :: callback
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type :: fst4_decoder
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procedure(fst4_decode_callback), pointer :: callback
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contains
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procedure :: decode
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end type fst240_decoder
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end type fst4_decoder
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abstract interface
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subroutine fst240_decode_callback (this,nutc,sync,nsnr,dt,freq, &
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subroutine fst4_decode_callback (this,nutc,sync,nsnr,dt,freq, &
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decoded,nap,qual,ntrperiod,lwspr,fmid,w50)
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import fst240_decoder
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import fst4_decoder
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implicit none
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class(fst240_decoder), intent(inout) :: this
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class(fst4_decoder), intent(inout) :: this
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integer, intent(in) :: nutc
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real, intent(in) :: sync
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integer, intent(in) :: nsnr
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@@ -24,7 +24,7 @@ module fst240_decode
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logical, intent(in) :: lwspr
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real, intent(in) :: fmid
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real, intent(in) :: w50
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end subroutine fst240_decode_callback
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end subroutine fst4_decode_callback
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end interface
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contains
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@@ -36,10 +36,10 @@ contains
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use timer_module, only: timer
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use packjt77
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use, intrinsic :: iso_c_binding
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include 'fst240/fst240_params.f90'
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include 'fst4/fst4_params.f90'
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parameter (MAXCAND=100)
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class(fst240_decoder), intent(inout) :: this
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procedure(fst240_decode_callback) :: callback
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class(fst4_decoder), intent(inout) :: this
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procedure(fst4_decode_callback) :: callback
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character*37 decodes(100)
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character*37 msg,msgsent
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character*77 c77
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@@ -283,7 +283,7 @@ contains
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endif
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! Get first approximation of candidate frequencies
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call get_candidates_fst240(c_bigfft,nfft1,nsps,hmod,fs,fa,fb, &
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call get_candidates_fst4(c_bigfft,nfft1,nsps,hmod,fs,fa,fb, &
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minsync,ncand,candidates,base)
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|
||||
ndecodes=0
|
||||
@@ -300,7 +300,7 @@ contains
|
||||
! Output array c2 is complex baseband sampled at 12000/ndown Sa/sec.
|
||||
! The size of the downsampled c2 array is nfft2=nfft1/ndown
|
||||
|
||||
call fst240_downsample(c_bigfft,nfft1,ndown,fc0,sigbw,c2)
|
||||
call fst4_downsample(c_bigfft,nfft1,ndown,fc0,sigbw,c2)
|
||||
|
||||
call timer('sync240 ',0)
|
||||
fc1=0.0
|
||||
@@ -316,7 +316,7 @@ contains
|
||||
do if=-12,12
|
||||
fc=fc1 + 0.1*baud*if
|
||||
do istart=max(1,is0-ishw),is0+ishw,4*hmod
|
||||
call sync_fst240(c2,istart,fc,hmod,nsyncoh,nfft2,nss, &
|
||||
call sync_fst4(c2,istart,fc,hmod,nsyncoh,nfft2,nss, &
|
||||
ntrperiod,fs2,sync)
|
||||
if(sync.gt.smax) then
|
||||
fc2=fc
|
||||
@@ -335,7 +335,7 @@ contains
|
||||
do if=-7,7
|
||||
fc=fc1 + 0.02*baud*if
|
||||
do istart=max(1,is0-ishw),is0+ishw,isst
|
||||
call sync_fst240(c2,istart,fc,hmod,nsyncoh,nfft2,nss, &
|
||||
call sync_fst4(c2,istart,fc,hmod,nsyncoh,nfft2,nss, &
|
||||
ntrperiod,fs2,sync)
|
||||
if(sync.gt.smax) then
|
||||
fc2=fc
|
||||
@@ -386,7 +386,7 @@ contains
|
||||
isbest=nint(candidates(icand,4))
|
||||
xdt=(isbest-nspsec)/fs2
|
||||
if(ntrperiod.eq.15) xdt=(isbest-real(nspsec)/2.0)/fs2
|
||||
call fst240_downsample(c_bigfft,nfft1,ndown,fc_synced,sigbw,c2)
|
||||
call fst4_downsample(c_bigfft,nfft1,ndown,fc_synced,sigbw,c2)
|
||||
do ijitter=0,jittermax
|
||||
if(ijitter.eq.0) ioffset=0
|
||||
if(ijitter.eq.1) ioffset=1
|
||||
@@ -396,9 +396,9 @@ contains
|
||||
cframe=c2(is0:is0+160*nss-1)
|
||||
bitmetrics=0
|
||||
if(hmod.eq.1) then
|
||||
call get_fst240_bitmetrics(cframe,nss,hmod,nblock,nhicoh,bitmetrics,s4,badsync)
|
||||
call get_fst4_bitmetrics(cframe,nss,hmod,nblock,nhicoh,bitmetrics,s4,badsync)
|
||||
else
|
||||
call get_fst240_bitmetrics2(cframe,nss,hmod,nblock,bitmetrics,s4,badsync)
|
||||
call get_fst4_bitmetrics2(cframe,nss,hmod,nblock,bitmetrics,s4,badsync)
|
||||
endif
|
||||
if(badsync) cycle
|
||||
|
||||
@@ -538,9 +538,9 @@ contains
|
||||
decodes(ndecodes)=msg
|
||||
|
||||
if(iwspr.eq.0) then
|
||||
call get_fst240_tones_from_bits(message101,itone,0)
|
||||
call get_fst4_tones_from_bits(message101,itone,0)
|
||||
else
|
||||
call get_fst240_tones_from_bits(message74,itone,1)
|
||||
call get_fst4_tones_from_bits(message74,itone,1)
|
||||
endif
|
||||
inquire(file='plotspec',exist=ex)
|
||||
fmid=-999.0
|
||||
@@ -581,12 +581,12 @@ contains
|
||||
return
|
||||
end subroutine decode
|
||||
|
||||
subroutine sync_fst240(cd0,i0,f0,hmod,ncoh,np,nss,ntr,fs,sync)
|
||||
subroutine sync_fst4(cd0,i0,f0,hmod,ncoh,np,nss,ntr,fs,sync)
|
||||
|
||||
! Compute sync power for a complex, downsampled FST240 signal.
|
||||
|
||||
use timer_module, only: timer
|
||||
include 'fst240/fst240_params.f90'
|
||||
include 'fst4/fst4_params.f90'
|
||||
complex cd0(0:np-1)
|
||||
complex csync1,csync2,csynct1,csynct2
|
||||
complex ctwk(3200)
|
||||
@@ -700,9 +700,9 @@ contains
|
||||
endif
|
||||
sync = s1+s2+s3+s4+s5
|
||||
return
|
||||
end subroutine sync_fst240
|
||||
end subroutine sync_fst4
|
||||
|
||||
subroutine fst240_downsample(c_bigfft,nfft1,ndown,f0,sigbw,c1)
|
||||
subroutine fst4_downsample(c_bigfft,nfft1,ndown,f0,sigbw,c1)
|
||||
|
||||
! Output: Complex data in c(), sampled at 12000/ndown Hz
|
||||
|
||||
@@ -724,9 +724,9 @@ contains
|
||||
call four2a(c1,nfft2,1,1,1) !c2c FFT back to time domain
|
||||
return
|
||||
|
||||
end subroutine fst240_downsample
|
||||
end subroutine fst4_downsample
|
||||
|
||||
subroutine get_candidates_fst240(c_bigfft,nfft1,nsps,hmod,fs,fa,fb, &
|
||||
subroutine get_candidates_fst4(c_bigfft,nfft1,nsps,hmod,fs,fa,fb, &
|
||||
minsync,ncand,candidates,base)
|
||||
|
||||
complex c_bigfft(0:nfft1/2) !Full length FFT of raw data
|
||||
@@ -806,13 +806,13 @@ contains
|
||||
enddo
|
||||
|
||||
return
|
||||
end subroutine get_candidates_fst240
|
||||
end subroutine get_candidates_fst4
|
||||
|
||||
subroutine write_ref(itone,iwave,nsps,nmax,ndown,hmod,i0,fc,fmid,w50)
|
||||
|
||||
! On "plotspec" special request, compute Doppler spread for a decoded signal
|
||||
|
||||
include 'fst240/fst240_params.f90'
|
||||
include 'fst4/fst4_params.f90'
|
||||
complex, allocatable :: cwave(:) !Reconstructed complex signal
|
||||
complex, allocatable :: g(:) !Channel gain, g(t) in QEX paper
|
||||
real,allocatable :: ss(:) !Computed power spectrum of g(t)
|
||||
@@ -829,7 +829,7 @@ contains
|
||||
allocate(g(0:nfft-1))
|
||||
wave=0
|
||||
fsample=12000.0
|
||||
call gen_fst240wave(itone,NN,nsps,nwave,fsample,hmod,fc,1,cwave,wave)
|
||||
call gen_fst4wave(itone,NN,nsps,nwave,fsample,hmod,fc,1,cwave,wave)
|
||||
cwave=cshift(cwave,-i0*ndown)
|
||||
fac=1.0/32768
|
||||
g(0:nmax-1)=fac*float(iwave)*conjg(cwave(:nmax-1))
|
||||
@@ -905,4 +905,4 @@ contains
|
||||
return
|
||||
end subroutine write_ref
|
||||
|
||||
end module fst240_decode
|
||||
end module fst4_decode
|
||||
Reference in New Issue
Block a user