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Don't use future/watcher for reading raw data from disk. Better use of 30-second Rx sequences.

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This commit is contained in:
Joe Taylor 2024-01-13 15:28:35 -05:00
parent ae14fa13e9
commit 8be743e0b8
3 changed files with 36 additions and 21 deletions
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26
qmap/libqmap/read_qm.f90
View File

@ -1,4 +1,4 @@
subroutine read_qm(fname)
subroutine read_qm(fname,iret)
include 'njunk.f90'
parameter(NMAX=60*96000,NFFT=32768)
@ -13,22 +13,36 @@ subroutine read_qm(fname)
ntx30a,ntx30b !...
open(28,file=trim(fname),status='old',access='stream',err=900)
read(28) prog_id,mycall,mygrid,fcenter,nutc,ntx30a,ntx30b,ndop00,ndop58, &
ia,ib,fac0,nxtra
read(28,end=910) prog_id,mycall,mygrid,fcenter,nutc,ntx30a, &
ntx30b,ndop00,ndop58,ia,ib,fac0,nxtra
fac=1.0
if(fac0.gt.0.0) fac=1.0/fac0
id1=0
read(28) id1(1:2,ia:ib)
read(28,end=910) id1(1:2,ia:ib)
dd=0.
dd(1:2,ia:ib)=fac*id1(1:2,ia:ib) !Boost back to previous level
iret=3
if(ib.eq.NMAX/2) iret=1
if(ia.eq.NMAX/2+1) iret=2
! print*,'A',ia,ib,iret
! write(*,3001) prog_id,mycall(1:6),mygrid,fcenter,nutc,ntx30a,ntx30b, &
! ndop00,ndop58,ia,ib
!3001 format(a24,2x,a6,2x,a6,f10.3,i6.4,2i5/4i9)
go to 999
900 print*,'Cannot open ',fname
900 iret=-1; go to 999
910 iret=-2
999 close(28)
! sq1=0.
! sq2=0.
! NH=NMAX/2
! do i=1,NMAX
! if(i.le.NH) sq1=sq1 + dd(1,i)*dd(1,i) + dd(2,i)*dd(2,i)
! if(i.gt.NH) sq2=sq2 + dd(1,i)*dd(1,i) + dd(2,i)*dd(2,i)
! enddo
! print*,'B',sqrt(sq1/NMAX),sqrt(sq2/NMAX)
return
end subroutine read_qm

25
qmap/mainwindow.cpp
View File

@ -132,9 +132,6 @@ MainWindow::MainWindow(QWidget *parent) :
if(m_modeQ65==4) on_actionQ65D_triggered();
if(m_modeQ65==5) on_actionQ65E_triggered();
future1 = new QFuture<void>;
watcher1 = new QFutureWatcher<void>;
connect(watcher1, SIGNAL(finished()),this,SLOT(diskDat()));
connect(&watcher3, SIGNAL(finished()),this,SLOT(decoderFinished()));
// Assign input device and start input thread
@ -671,12 +668,13 @@ void MainWindow::on_actionOpen_triggered() //Open File
if(m_monitoring) on_monitorButton_clicked();
m_diskData=true;
int dbDgrd=0;
int iret=4;
if(m_path.indexOf(".iq")>0) {
*future1 = QtConcurrent::run(getfile, fname, dbDgrd);
getfile(fname, dbDgrd);
} else {
*future1 = QtConcurrent::run(read_qm_, fname.toLatin1(), fname.length());
read_qm_(fname.toLatin1(), &iret, fname.length());
}
watcher1->setFuture(*future1);
if(iret > 0) diskDat(iret);
}
}
@ -705,12 +703,13 @@ void MainWindow::on_actionOpen_next_in_directory_triggered() //Open Next
}
m_diskData=true;
int dbDgrd=0;
int iret=4;
if(m_path.indexOf(".iq")>0) {
*future1 = QtConcurrent::run(getfile, fname, dbDgrd);
getfile(fname, dbDgrd);
} else {
*future1 = QtConcurrent::run(read_qm_, fname.toLatin1(), fname.length());
read_qm_(fname.toLatin1(), &iret, fname.length());
}
watcher1->setFuture(*future1);
if(iret > 0) diskDat(iret);
return;
}
}
@ -722,8 +721,12 @@ void MainWindow::on_actionDecode_remaining_files_in_directory_triggered()
on_actionOpen_next_in_directory_triggered();
}
void MainWindow::diskDat() //diskDat()
void MainWindow::diskDat(int iret) //diskDat()
{
int ia=0;
int ib=400;
if(iret==1) ib=202;
// qDebug() << "aa" << iret << ia << ib;
m_bDiskDatBusy=true;
double hsym;
//These may be redundant??
@ -732,7 +735,7 @@ void MainWindow::diskDat() //diskDat()
m_nTx30a=datcom_.ntx30a;
m_nTx30b=datcom_.ntx30b;
hsym=0.15*96000.0; //Samples per Q65-30x half-symbol or Q65-60x quarter-symbol
for(int i=0; i<400; i++) { // Do the half-symbol FFTs
for(int i=ia; i<ib; i++) { // Do the half-symbol FFTs
int k = i*hsym + 0.5;
if(k > 60*96000) break;
dataSink(k);

6
qmap/mainwindow.h
View File

@ -39,7 +39,7 @@ public slots:
void showSoundInError(const QString& errorMsg);
void showStatusMessage(const QString& statusMsg);
void dataSink(int k);
void diskDat();
void diskDat(int iret);
void decoderFinished();
void freezeDecode(int n);
void guiUpdate();
@ -155,8 +155,6 @@ private:
QMessageBox msgBox0;
QFuture<void>* future1;
QFutureWatcher<void>* watcher1;
QFutureWatcher<void> watcher3; //For decoder
QString m_path;
@ -208,7 +206,7 @@ extern "C" {
float d4[], int* ntx30a, int* ntx30b, double* fcenter, int* nutc,
int* dop00, int* dop58, int len1, int len2, int len3, int len4);
void read_qm_(const char* fname, int len);
void read_qm_(const char* fname, int* iret, int len);
}