mirror of
https://github.com/saitohirga/WSJT-X.git
synced 2024-11-22 20:28:42 -05:00
67 lines
2.0 KiB
Fortran
67 lines
2.0 KiB
Fortran
program QRA64code
|
|
|
|
! Provides examples of message packing, bit and symbol ordering,
|
|
! QRA (63,12) encoding, and other necessary details of the QRA64
|
|
! protocol.
|
|
|
|
use packjt
|
|
character*22 msg,msg0,msg1,decoded,cok*3,msgtype*10,arg*12
|
|
character*6 mycall
|
|
logical ltext
|
|
integer dgen(12),sent(63),dec(12)
|
|
integer icos7(0:6)
|
|
data icos7/2,5,6,0,4,1,3/ !Defines a 7x7 Costas array
|
|
|
|
include 'testmsg.f90'
|
|
|
|
nargs=iargc()
|
|
if(nargs.lt.1) then
|
|
print*,'Usage: qra64code "message"'
|
|
print*,' qra64code -t'
|
|
go to 999
|
|
endif
|
|
|
|
call getarg(1,msg) !Get message from command line
|
|
nmsg=1
|
|
if(msg(1:2).eq."-t") nmsg=NTEST
|
|
|
|
write(*,1010)
|
|
1010 format(" Message Decoded Err? Type"/74("-"))
|
|
|
|
do imsg=1,nmsg
|
|
if(nmsg.gt.1) msg=testmsg(imsg)
|
|
call fmtmsg(msg,iz) !To upper, collapse mult blanks
|
|
msg0=msg !Input message
|
|
call chkmsg(msg,cok,nspecial,flip) !See if it includes "OOO" report
|
|
msg1=msg !Message without "OOO"
|
|
call packmsg(msg1,dgen,itype) !Pack message into 12 six-bit bytes
|
|
msgtype=""
|
|
if(itype.eq.1) msgtype="Std Msg"
|
|
if(itype.eq.2) msgtype="Type 1 pfx"
|
|
if(itype.eq.3) msgtype="Type 1 sfx"
|
|
if(itype.eq.4) msgtype="Type 2 pfx"
|
|
if(itype.eq.5) msgtype="Type 2 sfx"
|
|
if(itype.eq.6) msgtype="Free text"
|
|
|
|
call qra64_enc(dgen,sent) !Encode using QRA64
|
|
|
|
call unpackmsg(dgen,decoded,' ') !Unpack the user message
|
|
call fmtmsg(decoded,iz)
|
|
ii=imsg
|
|
write(*,1020) ii,msg0,decoded,itype,msgtype
|
|
1020 format(i4,1x,a22,2x,a22,4x,i3,": ",a13)
|
|
enddo
|
|
|
|
if(nmsg.eq.1) then
|
|
write(*,1030) dgen
|
|
1030 format(/'Packed message, 6-bit symbols ',12i3) !Display packed symbols
|
|
|
|
write(*,1040) sent
|
|
1040 format(/'Information-carrying channel symbols'/(i5,29i3))
|
|
|
|
write(*,1050) 10*icos7,sent(1:32),10*icos7,sent(33:63),10*icos7
|
|
1050 format(/'Channel symbols including sync'/(i5,29i3))
|
|
endif
|
|
|
|
999 end program QRA64code
|