rpitx/librpitx
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity

Use easier blocking method

Browse source
This commit is contained in:
F5OEO 2018-03-21 10:26:47 +00:00
parent f48edc4dc5
commit 15fe87990d
1 changed files with 29 additions and 84 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

93
app/testrpitx.cpp
View file

@ -23,15 +23,19 @@ void SimpleTest(uint64_t Freq)
clk.print_clock_tree(); clk.print_clock_tree();
clk.SetPllNumber(clk_plld,1); clk.SetPllNumber(clk_plld,1);
clk.SetAdvancedPllMode(true); clk.SetAdvancedPllMode(true);
clk.SetCenterFrequency(Freq,100000); 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; int Deviation=0;
clk.SetFrequency(000); clk.SetFrequency(000);
clk.enableclk(4); clk.enableclk(4);
while(running) while(running)
{ {
clk.SetFrequency(000);
sleep(5);
clk.SetFrequency(freqresolution);
sleep(5); sleep(5);
//Deviation+=1;
clk.SetFrequency(Deviation);
} }
/*for(int i=0;i<100000;i+=1) /*for(int i=0;i<100000;i+=1)
{ {
@ -46,9 +50,8 @@ void SimpleTestDMA(uint64_t Freq)
{ {
int SR=200000; int SR=1000;
int FifoSize=4096; int FifoSize=4096;
//ngfmdmasync ngfmtest(1244200000,SR,14,FifoSize);
ngfmdmasync ngfmtest(Freq,SR,14,FifoSize); ngfmdmasync ngfmtest(Freq,SR,14,FifoSize);
for(int i=0;running;) for(int i=0;running;)
{ {
@ -62,7 +65,7 @@ void SimpleTestDMA(uint64_t Freq)
for(int j=0;j<Available;j++) for(int j=0;j<Available;j++)
{ {
//ngfmtest.SetFrequencySample(Index,((i%10000)>5000)?1000:0); //ngfmtest.SetFrequencySample(Index,((i%10000)>5000)?1000:0);
ngfmtest.SetFrequencySample(Index+j,(i%SR)); ngfmtest.SetFrequencySample(Index+j,(i%SR)/10.0);
i++; i++;
} }
@ -75,103 +78,45 @@ void SimpleTestDMA(uint64_t Freq)
ngfmtest.stop(); ngfmtest.stop();
} }
/*
using std::complex;
void SimpleTestLiquid()
{
int SR=200000;
int FifoSize=4096;
ngfmdmasync ngfmtest(144200000,SR,14,FifoSize);
dsp mydsp(SR);
nco_crcf q = nco_crcf_create(LIQUID_NCO);
nco_crcf_set_phase(q, 0.0f);
nco_crcf_set_frequency(q, -0.2f);
//ngfmtest.print_clock_tree();
for(int i=0;(i<SR)&&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);
//ngfmtest.SetFrequencySample(Index+j,(i%SR));
nco_crcf_adjust_frequency(q,1e-5);
liquid_float_complex x;
nco_crcf_step(q);
nco_crcf_cexpf(q, &x);
mydsp.pushsample(x);
if(mydsp.frequency>SR) mydsp.frequency=SR;
if(mydsp.frequency<-SR) mydsp.frequency=-SR;
ngfmtest.SetFrequencySample(Index+j,mydsp.frequency);
//fprintf(stderr,"freq=%f Amp=%f\n",mydsp.frequency,mydsp.amplitude);
//fprintf(stderr,"freq=%f\n",nco_crcf_get_frequency(q)*SR);
i++;
}
}
}
fprintf(stderr,"End\n");
ngfmtest.stop();
}
*/
void SimpleTestFileIQ(uint64_t Freq) void SimpleTestFileIQ(uint64_t Freq)
{ {
FILE *iqfile=NULL; FILE *iqfile=NULL;
iqfile=fopen("../ssbtest.iq","rb"); iqfile=fopen("../ssbtest.iq","rb");
if (iqfile==NULL) printf("input file issue\n"); if (iqfile==NULL) printf("input file issue\n");
#define IQBURST 1280
bool stereo=true; bool stereo=true;
int SR=48000; int SR=48000;
int FifoSize=512; int FifoSize=512;
//iqdmasync iqtest(1245000000,SR,14,FifoSize);
//iqdmasync iqtest(50100000,SR,14,FifoSize);
iqdmasync iqtest(Freq,SR,14,FifoSize); iqdmasync iqtest(Freq,SR,14,FifoSize);
//iqdmasync iqtest(14100000,SR,14,FifoSize); short IQBuffer[IQBURST*2];
short IQBuffer[128*2]; std::complex<float> CIQBuffer[IQBURST];
while(running) while(running)
{ {
//usleep(FifoSize*1000000.0*1.0/(8.0*SR)); int nbread=fread(IQBuffer,sizeof(short),IQBURST*2,iqfile);
usleep(100);
int Available=iqtest.GetBufferAvailable();
if(Available>256)
{
int Index=iqtest.GetUserMemIndex();
int nbread=fread(IQBuffer,sizeof(short),128*2,iqfile);
if(nbread>0) if(nbread>0)
{ {
//printf("NbRead=%d\n",nbread);
for(int i=0;i<nbread/2;i++) for(int i=0;i<nbread/2;i++)
{ {
std::complex<float> x=std::complex<float>(IQBuffer[i*2]/32768.0,IQBuffer[i*2+1]/32768.0); CIQBuffer[i]=std::complex<float>(IQBuffer[i*2]/32768.0,IQBuffer[i*2+1]/32768.0);
iqtest.SetIQSample(Index+i,x);
} }
iqtest.SetIQSamples(CIQBuffer,nbread/2);
} }
else else
{ {
printf("End of file\n"); printf("End of file\n");
fseek ( iqfile , 0 , SEEK_SET ); fseek ( iqfile , 0 , SEEK_SET );
//break;
} }
} }
}
iqtest.stop();
}
iqtest.stop();
}
void SimpleTestbpsk(uint64_t Freq) void SimpleTestbpsk(uint64_t Freq)
{ {