librpitx/app/testrpitx.cpp

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#include <unistd.h>
#include "../src/librpitx.h"
#include <unistd.h>
#include "stdio.h"
#include <cstring>
#include <signal.h>
bool running=true;
void SimpleTest(uint64_t Freq)
{
generalgpio genpio;
fprintf(stderr,"GPIOPULL =%x\n",genpio.gpioreg[GPPUDCLK0]);
#define PULL_OFF 0
#define PULL_DOWN 1
#define PULL_UP 2
genpio.gpioreg[GPPUD]=PULL_DOWN;
usleep(100);
genpio.gpioreg[GPPUDCLK0]=(1<<4); //GPIO CLK is GPIO 4
usleep(100);
//genpio.gpioreg[GPPUDCLK0]=(0); //GPIO CLK is GPIO 4
clkgpio clk;
clk.print_clock_tree();
clk.SetPllNumber(clk_plld,1);
clk.SetAdvancedPllMode(true);
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clk.SetCenterFrequency(Freq,1000);
double freqresolution=clk.GetFrequencyResolution();
double RealFreq=clk.GetRealFrequency(0);
fprintf(stderr,"Frequency resolution=%f Error freq=%f\n",freqresolution,RealFreq);
int Deviation=0;
clk.SetFrequency(000);
clk.enableclk(4);
while(running)
{
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clk.SetFrequency(000);
sleep(5);
clk.SetFrequency(freqresolution);
sleep(5);
}
/*for(int i=0;i<100000;i+=1)
{
clk.SetFrequency(i);
usleep(1000);
}*/
clk.disableclk(4);
}
void SimpleTestDMA(uint64_t Freq)
{
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int SR=1000;
int FifoSize=4096;
ngfmdmasync ngfmtest(Freq,SR,14,FifoSize);
for(int i=0;running;)
{
//usleep(10);
usleep(FifoSize*1000000.0*3.0/(4.0*SR));
int Available=ngfmtest.GetBufferAvailable();
if(Available>FifoSize/2)
{
int Index=ngfmtest.GetUserMemIndex();
//printf("GetIndex=%d\n",Index);
for(int j=0;j<Available;j++)
{
//ngfmtest.SetFrequencySample(Index,((i%10000)>5000)?1000:0);
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ngfmtest.SetFrequencySample(Index+j,(i%SR)/10.0);
i++;
}
}
}
fprintf(stderr,"End\n");
ngfmtest.stop();
}
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void SimpleTestFileIQ(uint64_t Freq)
{
FILE *iqfile=NULL;
iqfile=fopen("../ssbtest.iq","rb");
if (iqfile==NULL) printf("input file issue\n");
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#define IQBURST 1280
bool stereo=true;
int SR=48000;
int FifoSize=512;
iqdmasync iqtest(Freq,SR,14,FifoSize);
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short IQBuffer[IQBURST*2];
std::complex<float> CIQBuffer[IQBURST];
while(running)
{
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int nbread=fread(IQBuffer,sizeof(short),IQBURST*2,iqfile);
if(nbread>0)
{
for(int i=0;i<nbread/2;i++)
{
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CIQBuffer[i]=std::complex<float>(IQBuffer[i*2]/32768.0,IQBuffer[i*2+1]/32768.0);
}
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iqtest.SetIQSamples(CIQBuffer,nbread/2);
}
else
{
printf("End of file\n");
fseek ( iqfile , 0 , SEEK_SET );
}
}
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iqtest.stop();
}
void SimpleTestbpsk(uint64_t Freq)
{
clkgpio clk;
clk.print_clock_tree();
int SR=100000;
int FifoSize=1024;
int NumberofPhase=2;
phasedmasync biphase(Freq,SR,NumberofPhase,14,FifoSize);
int lastphase=0;
while(running)
{
//usleep(FifoSize*1000000.0*1.0/(8.0*SR));
usleep(10);
int Available=biphase.GetBufferAvailable();
if(Available>256)
{
int Index=biphase.GetUserMemIndex();
for(int i=0;i<Available;i++)
{
int phase=(rand()%NumberofPhase);
biphase.SetPhase(Index+i,phase);
}
/*
for(int i=0;i<Available/2;i++)
{
int phase=2*(rand()%NumberofPhase/2);
biphase.SetPhase(Index+i*2,(phase+lastphase)/2);
biphase.SetPhase(Index+i*2+1,phase);
lastphase=phase;
}*/
/*for(int i=0;i<Available;i++)
{
lastphase=(lastphase+1)%NumberofPhase;
biphase.SetPhase(Index+i,lastphase);
}*/
}
}
biphase.stop();
}
void SimpleTestSerial()
{
bool stereo=true;
int SR=10000;
int FifoSize=1024;
bool dualoutput=true;
serialdmasync testserial(SR,14,FifoSize,dualoutput);
while(running)
{
usleep(10);
int Available=testserial.GetBufferAvailable();
if(Available>256)
{
int Index=testserial.GetUserMemIndex();
for(int i=0;i<Available;i++)
{
testserial.SetSample(Index+i,i);
}
}
}
testserial.stop();
}
void SimpleTestAm(uint64_t Freq)
{
FILE *audiofile=NULL;
audiofile=fopen("../ssbaudio48.wav","rb");
if (audiofile==NULL) printf("input file issue\n");
bool Stereo=true;
int SR=48000;
int FifoSize=512;
amdmasync amtest(Freq,SR,14,FifoSize);
short AudioBuffer[128*2];
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while(running)
{
//usleep(FifoSize*1000000.0*1.0/(8.0*SR));
usleep(100);
int Available=amtest.GetBufferAvailable();
if(Available>256)
{
int Index=amtest.GetUserMemIndex();
int nbread=fread(AudioBuffer,sizeof(short),128*2,audiofile);
if(nbread>0)
{
for(int i=0;i<nbread/2;i++)
{
if(!Stereo)
{
float x=((AudioBuffer[i*2]/32768.0)+(AudioBuffer[i*2+1]/32768.0))/4.0;
amtest.SetAmSample(Index+i,x);
}
else
{
float x=((AudioBuffer[i]/32768.0)/2.0)*8.0;
amtest.SetAmSample(Index+i,x);
}
}
}
else
{
printf("End of file\n");
fseek ( audiofile , 0 , SEEK_SET );
//break;
}
}
}
amtest.stop();
}
void SimpleTestOOK(uint64_t Freq)
{
int SR=1000;
int FifoSize=512;
amdmasync amtest(Freq,SR,14,FifoSize);
int count=0;
int Every=SR/100;
float x=0.0;
while(running)
{
//usleep(FifoSize*1000000.0*1.0/(8.0*SR));
usleep(100);
int Available=amtest.GetBufferAvailable();
if(Available>256)
{
int Index=amtest.GetUserMemIndex();
for(int i=0;i<Available;i++)
{
//if((count/Every)%4>2) x=0; else x=1;
//x+=(1.0/(float)SR*10.0);
x+=0.0001;
if(x>1.0) x=0;
amtest.SetAmSample(Index+i,x);
count++;
}
}
}
amtest.stop();
}
void SimpleTestBurstFsk(uint64_t Freq)
{
//int SR=40625;
int SR=40625;
int Deviation=26370;
int FiFoSize=4000;
fskburst fsktest(Freq,SR,Deviation,14,FiFoSize);
unsigned char TabSymbol[FiFoSize];
int BurstSize=100;
while(running)
{
int i;
for(i=0;i<FiFoSize;i++)
{
TabSymbol[i]=(i/10)%2;
}
fsktest.SetSymbols(TabSymbol,FiFoSize);
sleep(1);
fsktest.SetSymbols(TabSymbol,FiFoSize/2);
sleep(1);
}
fsktest.stop();
}
static void
terminate(int num)
{
running=false;
fprintf(stderr,"Caught signal - Terminating\n");
}
int main(int argc, char* argv[])
{
uint64_t Freq=144200000;
if(argc>1)
Freq=atol(argv[1]);
for (int i = 0; i < 64; i++) {
struct sigaction sa;
std::memset(&sa, 0, sizeof(sa));
sa.sa_handler = terminate;
sigaction(i, &sa, NULL);
}
//SimpleTest(Freq);
//SimpleTestbpsk(Freq);
SimpleTestFileIQ(Freq);
//SimpleTestDMA(Freq);
//SimpleTestAm(Freq);
//SimpleTestOOK(Freq);
//SimpleTestBurstFsk(Freq);
}