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genSSB
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@lu7did
lu7did committed May 20, 2020
1 parent 0bb3b13 commit 56c7f22
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Showing 4 changed files with 48 additions and 19 deletions.
Binary file modified bin/OT4D
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65 changes: 47 additions & 18 deletions src/lib/genSSB.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -74,7 +74,7 @@
#include "/home/pi/librpitx/src/librpitx.h"
#include "../OT/OT.h"
#include "../OT4D/transceiver.h"

#include "../lib/CallBackTimer.h"
//-------------------- GLOBAL VARIABLES ----------------------------
const char *PROGRAMID="genSSB";
const char *PROG_VERSION="1.0";
Expand Down Expand Up @@ -121,6 +121,8 @@ bool autoPTT=false;
int nbread=0;
int numSamplesLow=0;
int result=0;
char timestr[16];
CallBackTimer* VOXtimer;
//--------------------------[System Word Handler]---------------------------------------------------
// getSSW Return status according with the setting of the argument bit onto the SW
//--------------------------------------------------------------------------------------------------
Expand All @@ -140,7 +142,20 @@ void setWord(unsigned char* SysWord,unsigned char v, bool val) {
}

}
//--------------------------------------------------------------------------------------------------
// returns the time in a string format
//--------------------------------------------------------------------------------------------------
char* getTime() {

time_t theTime = time(NULL);
struct tm *aTime = localtime(&theTime);
int hour=aTime->tm_hour;
int min=aTime->tm_min;
int sec=aTime->tm_sec;
sprintf(timestr,"%02d:%02d:%02d",hour,min,sec);
return (char*) &timestr;

}
//--------------------------------------------------------------------------------------------------
// timer_exec
// timer management
Expand All @@ -149,10 +164,9 @@ void timer_exec()
{
if (TVOX!=0) {
TVOX--;
(TRACE>=0x04 ? fprintf(stderr,"%s:timer_exec() Timer TVOX countdown(%ld)\n",PROGRAMID,TVOX) : _NOP);
if(TVOX==0) {
fVOX=1;
(TRACE>=0x04 ? fprintf(stderr,"%s:timer_exec Timer TVOX expired\n",PROGRAMID) : _NOP);
(TRACE>=0x02 ? fprintf(stderr,"%s:timer_exec %s Timer TVOX expired\n",PROGRAMID,getTime()) : _NOP);
}
}
}
Expand All @@ -178,8 +192,8 @@ void timer_start(std::function<void(void)> func, unsigned int interval)
void sigalarm_handler(int sig)
{

timer_exec();
alarm(ONESEC);
//timer_exec();
//alarm(ONESEC);
return;


Expand All @@ -204,12 +218,19 @@ Usage: \n\

} /* end function print_usage */

//--------------------------------------------------------------------------------------------------
// FT8ISR - interrupt service routine, keep track of the FT8 sequence windows
//--------------------------------------------------------------------------------------------------
void VOXISR() {

timer_exec();
}
//---------------------------------------------------------------------------------
// setPTT
//---------------------------------------------------------------------------------
void setPTT(bool ptt) {

(TRACE>=0x04 ? fprintf(stderr,"%s:setPTT() set PTT(%s)\n",PROGRAMID,BOOL2CHAR(ptt)) : _NOP);
(TRACE>=0x02 ? fprintf(stderr,"%s:setPTT() set PTT(%s)\n",PROGRAMID,BOOL2CHAR(ptt)) : _NOP);

if (ptt==true) {
if (getWord(MSW,PTT)==false) { // Signal RF generator now is I/Q mode
Expand Down Expand Up @@ -248,17 +269,16 @@ int main(int argc, char* argv[])
timer_start(timer_exec,100);
(TRACE>=0x00 ? fprintf(stderr,"%s %s [%s] tracelevel(%d)\n",PROGRAMID,PROG_VERSION,PROG_BUILD,TRACE) : _NOP);;
cmd_result = mkfifo ( "/tmp/ptt_fifo", 0666 );
(TRACE >= 0x04 ? fprintf(stderr,"%s:main() Command FIFO(%s) created\n",PROGRAMID,"/tmp/ptt_fifo") : _NOP);
(TRACE >= 0x02 ? fprintf(stderr,"%s:main() Command FIFO(%s) created\n",PROGRAMID,"/tmp/ptt_fifo") : _NOP);

cmd_FD = open ( "/tmp/ptt_fifo", ( O_RDONLY | O_NONBLOCK ) );
if (cmd_FD != -1) {
(TRACE >= 0x00 ? fprintf(stderr,"%s:main() Command FIFO opened\n",PROGRAMID) : _NOP);
(TRACE >= 0x01 ? fprintf(stderr,"%s:main() Command FIFO opened\n",PROGRAMID) : _NOP);
setWord(&MSW,RUN,true);
} else {
(TRACE >= 0x00 ? fprintf(stderr,"%s:main() Command FIFO creation failure . Program execution aborted tracelevel(%d)\n",PROGRAMID,TRACE) : _NOP);
exit(16);
}
(TRACE >= 0x04 ? fprintf(stderr,"%s:main() About to enter argument parsing\n",PROGRAMID) : _NOP);
while(1)
{
ax = getopt(argc, argv, "a:v:p:dxqt:");
Expand Down Expand Up @@ -328,14 +348,15 @@ int main(int argc, char* argv[])
}/* end switch a */
}/* end while getopt() */

(TRACE>=0x04 ? fprintf(stderr,"%s:main(): Trap handler initialization\n",PROGRAMID) : _NOP);
(TRACE>=0x02 ? fprintf(stderr,"%s:main(): Trap handler initialization\n",PROGRAMID) : _NOP);
for (int i = 0; i < 64; i++) {
struct sigaction sa;
std::memset(&sa, 0, sizeof(sa));
sa.sa_handler = terminate;
sigaction(i, &sa, NULL);
}

vox_timeout=3*1000;
iqfile=fopen("/dev/stdin","rb");
outfile=fopen("/dev/stdout","wb");

Expand All @@ -345,6 +366,9 @@ int main(int argc, char* argv[])
Fout =(float*)malloc(IQBURST*sizeof(short)*4);
cmd_buffer=(char*)malloc(1024);

VOXtimer=new CallBackTimer();
VOXtimer->start(1,VOXISR);

float gain=1.0;

usb=new SSB();
Expand All @@ -358,7 +382,7 @@ float gain=1.0;
} else {
usb->agc.active=false;
}
(TRACE >= 0x00 ? fprintf(stderr,"%s:main(): SSB controller generation completed\n",PROGRAMID) : _NOP);
(TRACE >= 0x02 ? fprintf(stderr,"%s:main(): SSB controller generation completed\n",PROGRAMID) : _NOP);

float maxgain=0.0;
float mingain=usb->agc.max_gain;
Expand All @@ -373,6 +397,8 @@ float gain=1.0;
int j=0;
(TRACE >= 0x00 ? fprintf(stderr,"%s:main(): Starting main loop VOX(%s) Timeout(%d)\n",PROGRAMID,BOOL2CHAR(autoPTT),vox_timeout) : _NOP);

vox_timeout=vox_timeout*1000; //interface is expressed in secs but actual timer is in mSecs

while(getWord(MSW,RUN)==true)
{

Expand All @@ -383,11 +409,11 @@ float gain=1.0;
if ( cmd_length > 0 ) {
cmd_buffer[cmd_length] = 0x00;
if (strcmp(cmd_buffer, "PTT=1\n") == 0) {
(TRACE >= 0x00 ? fprintf(stderr,"%s:main(): PTT=1 signal received\n",PROGRAMID) : _NOP);
(TRACE >= 0x03 ? fprintf(stderr,"%s:main(): PTT=1 signal received\n",PROGRAMID) : _NOP);
setPTT(true);
}
if (strcmp(cmd_buffer, "PTT=0\n") == 0) {
(TRACE >= 0x00 ? fprintf(stderr,"%s:main(): PTT=0 signal received\n",PROGRAMID) : _NOP);
(TRACE >= 0x03 ? fprintf(stderr,"%s:main(): PTT=0 signal received\n",PROGRAMID) : _NOP);
setPTT(false);
}
} else;
Expand All @@ -399,12 +425,12 @@ float gain=1.0;
// --- Processing AGC results on incoming signal

if (gain<mingain) {
(TRACE>=0x00 ? fprintf(stderr,"%s:main() gain(%f)<mingain(%f) corrected mingain\n",PROGRAMID,gain,mingain) : _NOP);
(TRACE>=0x03 ? fprintf(stderr,"%s:main() gain(%f)<mingain(%f) corrected mingain\n",PROGRAMID,gain,mingain) : _NOP);
mingain=gain;
}

if (gain>maxgain) {
(TRACE>=0x00 ? fprintf(stderr,"%s:main() gain(%f)>maxgain(%f) corrected maxgain\n",PROGRAMID,gain,maxgain) : _NOP);
(TRACE>=0x03 ? fprintf(stderr,"%s:main() gain(%f)>maxgain(%f) corrected maxgain\n",PROGRAMID,gain,maxgain) : _NOP);
maxgain=gain;
thrgain=maxgain*0.70;
}
Expand All @@ -413,19 +439,22 @@ float gain=1.0;
if (gain<thrgain) { //Is the current gain lower than the thr? (lower the gain --> bigger the signal
if (TVOX==0) { //Is the timer counter idle
fprintf(stderr,"VOX=1\n");
(TRACE>=0x06 ? fprintf(stderr,"%s:main() VOX=1 signal sent\n",PROGRAMID) : _NOP);
fflush(stderr);
(TRACE>=0x03 ? fprintf(stderr,"%s:main() VOX=1 signal sent\n",PROGRAMID) : _NOP);
}
TVOX=vox_timeout; //Refresh the timeout
fVOX=0;
if (autoPTT == true && getWord(MSW,PTT)==false) { //If auto PTT enabled and currently PTT=off then make it On
setPTT(true);
(TRACE>=0x03 ? fprintf(stderr,"%s:main() autoPTT==true && MSW,PTT==false condition\n",PROGRAMID) : _NOP);
}
}

if (fVOX==1 && TVOX == 0) { //Has the timer reach zero?
fVOX=0; //Clear Mark
fprintf(stderr,"VOX=0\n"); //and inform VOX is down
(TRACE>=0x06 ? fprintf(stderr,"%s:main() VOX=0 signal sent\n",PROGRAMID) : _NOP);
fflush(stderr);
(TRACE>=0x03 ? fprintf(stderr,"%s:main() VOX=0 signal sent\n",PROGRAMID) : _NOP);
if (autoPTT==true && getWord(MSW,PTT)==true) { //If auto PTT and PTT is On then make it Off
setPTT(false);
}
Expand Down Expand Up @@ -456,7 +485,7 @@ float gain=1.0;
delete(usb);
fprintf(stderr,"CLOSE=1\n");

(TRACE>=0x01 ? fprintf(stderr,"%s:main() program terminated normally\n",PROGRAMID) : _NOP);
(TRACE>=0x00 ? fprintf(stderr,"%s:main() program terminated normally\n",PROGRAMID) : _NOP);
exit(0);

}
Expand Down
2 changes: 1 addition & 1 deletion src/lib/gpioWrapper.h
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Original file line number Diff line number Diff line change
Expand Up @@ -132,7 +132,7 @@ char buffer[256];
return;
}

sprintf(buffer,"gpio write %d %d",pin,v);
sprintf(buffer,"python /home/pi/PixiePi/bash/gpioset.py %d %d",pin,v);
int rc=system(buffer);

(TRACE>=0x00 ? fprintf(stderr,"%s::writePin write pin(%d) value(%d) command(%s) rc(%d)\n",PROGRAMID,pin,v,buffer,rc) : _NOP);
Expand Down

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