Add OOK example to simulate Ventus/alecto wind station, reduce granularity to 100Khz
This commit is contained in:
F5OEO
parent
1be11a70e3
commit
ff8fa74517
3 changed files with 437 additions and 199 deletions
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@ -5,7 +5,7 @@
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#include <cstring>
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#include <signal.h>
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bool running=true;
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bool running = true;
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/*int
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gcd ( int a, int b )
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{
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@ -16,7 +16,7 @@ gcd ( int a, int b )
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return b;
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}*/
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uint64_t gcd(uint64_t x,uint64_t y)
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uint64_t gcd(uint64_t x, uint64_t y)
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{
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return y == 0 ? x : gcd(y, x % y);
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}
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@ -29,67 +29,67 @@ uint64_t lcm(uint64_t x, uint64_t y)
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void SimpleTest(uint64_t Freq)
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{
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generalgpio genpio;
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fprintf(stderr,"GPIOPULL =%x\n",genpio.gpioreg[GPPUDCLK0]);
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fprintf(stderr, "GPIOPULL =%x\n", genpio.gpioreg[GPPUDCLK0]);
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#define PULL_OFF 0
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#define PULL_DOWN 1
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#define PULL_UP 2
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genpio.gpioreg[GPPUD]=1;//PULL_DOWN;
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#define PULL_OFF 0
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#define PULL_DOWN 1
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#define PULL_UP 2
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genpio.gpioreg[GPPUD] = 1; //PULL_DOWN;
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usleep(150);
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genpio.gpioreg[GPPUDCLK0]=(1<<4); //GPIO CLK is GPIO 4
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genpio.gpioreg[GPPUDCLK0] = (1 << 4); //GPIO CLK is GPIO 4
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usleep(150);
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genpio.gpioreg[GPPUDCLK0]=(0); //GPIO CLK is GPIO 4
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genpio.gpioreg[GPPUDCLK0] = (0); //GPIO CLK is GPIO 4
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//genpio.setpulloff(4);
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padgpio pad;
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pad.setlevel(7);
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clkgpio clk;
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clk.print_clock_tree();
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clk.SetPllNumber(clk_pllc,0);
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clk.SetPllNumber(clk_pllc, 0);
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//clk.SetAdvancedPllMode(true);
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//clk.SetPLLMasterLoop(0,4,0);
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//clk.Setppm(+7.7);
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clk.SetCenterFrequency(Freq,1000);
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double freqresolution=clk.GetFrequencyResolution();
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double RealFreq=clk.GetRealFrequency(0);
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fprintf(stderr,"Frequency resolution=%f Error freq=%f\n",freqresolution,RealFreq);
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int Deviation=0;
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clk.SetCenterFrequency(Freq, 1000);
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double freqresolution = clk.GetFrequencyResolution();
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double RealFreq = clk.GetRealFrequency(0);
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fprintf(stderr, "Frequency resolution=%f Error freq=%f\n", freqresolution, RealFreq);
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int Deviation = 0;
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clk.SetFrequency(000);
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clk.enableclk(4);
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usleep(100);
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//clk.SetClkDivFrac(100,0); // If mash!=0 update doesnt seem to work
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int count=0;
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while(running)
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int count = 0;
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while (running)
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{
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//clk.SetMasterMultFrac(44,(1<<count));
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//uint32_t N=(1<<18);
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uint32_t N=(1<<13)*count;
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uint32_t N = (1 << 13) * count;
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//clk.SetMasterMultFrac(34,N);
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printf("count =%d gcd%d spurious%f N=%x %f\n",count,lcm(N,1<<20),(double)gcd(1<<20,N)*19.2e6/(double)(1<<20),N,N/(float)(1<<20));
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count=(count+1)%128;
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printf("count =%d gcd%d spurious%f N=%x %f\n", count, lcm(N, 1 << 20), (double)gcd(1 << 20, N) * 19.2e6 / (double)(1 << 20), N, N / (float)(1 << 20));
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count = (count + 1) % 128;
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//usleep(10000000);
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int a=getc(stdin);
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static int Ki=4,Kp=0,Ka=0;
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Kp=Kp+1;
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if(Kp>15)
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{ Kp=0;
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Ki=Ki+1;
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int a = getc(stdin);
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static int Ki = 4, Kp = 0, Ka = 0;
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Kp = Kp + 1;
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if (Kp > 15)
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{
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Kp = 0;
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Ki = Ki + 1;
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}
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//Ki=Ki+1;
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if(Ki>11)
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if (Ki > 11)
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{
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Ki=4;
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Ki = 4;
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Ka++;
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}
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Ki=Kp;
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Ki = Kp;
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clk.SetClkDivFrac(count,count);
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clk.SetClkDivFrac(count, count);
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//clk.SetPLLMasterLoop(Ki,4,Ka);
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//clk.SetPLLMasterLoop(2,4,0);
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@ -108,75 +108,66 @@ void SimpleTest(uint64_t Freq)
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usleep(1000);
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}*/
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clk.disableclk(4);
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}
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void SimpleTestDMA(uint64_t Freq)
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{
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int SR=200000;
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int FifoSize=4096;
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ngfmdmasync ngfmtest(Freq,SR,14,FifoSize);
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for(int i=0;running;)
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int SR = 200000;
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int FifoSize = 4096;
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ngfmdmasync ngfmtest(Freq, SR, 14, FifoSize);
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for (int i = 0; running;)
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{
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//usleep(10);
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usleep(FifoSize*1000000.0*3.0/(4.0*SR));
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int Available=ngfmtest.GetBufferAvailable();
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if(Available>FifoSize/2)
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usleep(FifoSize * 1000000.0 * 3.0 / (4.0 * SR));
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int Available = ngfmtest.GetBufferAvailable();
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if (Available > FifoSize / 2)
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{
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int Index=ngfmtest.GetUserMemIndex();
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int Index = ngfmtest.GetUserMemIndex();
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//printf("GetIndex=%d\n",Index);
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for(int j=0;j<Available;j++)
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for (int j = 0; j < Available; j++)
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{
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//ngfmtest.SetFrequencySample(Index,((i%10000)>5000)?1000:0);
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ngfmtest.SetFrequencySample(Index+j,(i%SR)/10.0);
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ngfmtest.SetFrequencySample(Index + j, (i % SR) / 10.0);
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i++;
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}
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}
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}
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fprintf(stderr,"End\n");
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fprintf(stderr, "End\n");
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ngfmtest.stop();
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}
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void SimpleTestFileIQ(uint64_t Freq)
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{
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FILE *iqfile=NULL;
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iqfile=fopen("../ssbtest.iq","rb");
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if (iqfile==NULL) printf("input file issue\n");
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FILE *iqfile = NULL;
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iqfile = fopen("../ssbtest.iq", "rb");
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if (iqfile == NULL)
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printf("input file issue\n");
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#define IQBURST 1280
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bool stereo=true;
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int SR=48000;
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int FifoSize=512;
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iqdmasync iqtest(Freq,SR,14,FifoSize,MODE_IQ);
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short IQBuffer[IQBURST*2];
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#define IQBURST 1280
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bool stereo = true;
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int SR = 48000;
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int FifoSize = 512;
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iqdmasync iqtest(Freq, SR, 14, FifoSize, MODE_IQ);
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short IQBuffer[IQBURST * 2];
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std::complex<float> CIQBuffer[IQBURST];
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while(running)
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while (running)
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{
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int nbread=fread(IQBuffer,sizeof(short),IQBURST*2,iqfile);
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if(nbread>0)
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int nbread = fread(IQBuffer, sizeof(short), IQBURST * 2, iqfile);
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if (nbread > 0)
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{
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for(int i=0;i<nbread/2;i++)
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for (int i = 0; i < nbread / 2; i++)
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{
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CIQBuffer[i]=std::complex<float>(IQBuffer[i*2]/32768.0,IQBuffer[i*2+1]/32768.0);
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CIQBuffer[i] = std::complex<float>(IQBuffer[i * 2] / 32768.0, IQBuffer[i * 2 + 1] / 32768.0);
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}
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iqtest.SetIQSamples(CIQBuffer,nbread/2,1);
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iqtest.SetIQSamples(CIQBuffer, nbread / 2, 1);
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}
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else
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{
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printf("End of file\n");
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fseek ( iqfile , 0 , SEEK_SET );
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fseek(iqfile, 0, SEEK_SET);
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}
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}
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@ -186,61 +177,53 @@ void SimpleTestFileIQ(uint64_t Freq)
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void SimpleTestbpsk(uint64_t Freq)
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{
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clkgpio clk;
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clk.print_clock_tree();
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int SR=250000;
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int FifoSize=10000;
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int NumberofPhase=2;
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phasedmasync biphase(Freq,SR,NumberofPhase,14,FifoSize);
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int SR = 250000;
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int FifoSize = 10000;
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int NumberofPhase = 2;
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phasedmasync biphase(Freq, SR, NumberofPhase, 14, FifoSize);
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padgpio pad;
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pad.setlevel(7);
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int lastphase=0;
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#define BURST_SIZE 100
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int lastphase = 0;
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#define BURST_SIZE 100
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int PhaseBuffer[BURST_SIZE];
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while(running)
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while (running)
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{
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for(int i=0;i<BURST_SIZE;i++)
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for (int i = 0; i < BURST_SIZE; i++)
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{
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int phase=(rand()%NumberofPhase);
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PhaseBuffer[i]=phase;
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int phase = (rand() % NumberofPhase);
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PhaseBuffer[i] = phase;
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}
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biphase.SetPhaseSamples(PhaseBuffer,BURST_SIZE);
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biphase.SetPhaseSamples(PhaseBuffer, BURST_SIZE);
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}
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biphase.stop();
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}
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void SimpleTestSerial()
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{
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bool stereo=true;
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int SR=10000;
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int FifoSize=1024;
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bool dualoutput=true;
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serialdmasync testserial(SR,14,FifoSize,dualoutput);
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bool stereo = true;
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int SR = 10000;
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int FifoSize = 1024;
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bool dualoutput = true;
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serialdmasync testserial(SR, 14, FifoSize, dualoutput);
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while(running)
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while (running)
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{
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usleep(10);
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int Available=testserial.GetBufferAvailable();
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if(Available>256)
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int Available = testserial.GetBufferAvailable();
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if (Available > 256)
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{
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int Index=testserial.GetUserMemIndex();
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int Index = testserial.GetUserMemIndex();
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for(int i=0;i<Available;i++)
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for (int i = 0; i < Available; i++)
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{
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testserial.SetSample(Index+i,i);
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testserial.SetSample(Index + i, i);
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}
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}
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}
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testserial.stop();
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@ -248,50 +231,48 @@ void SimpleTestSerial()
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void SimpleTestAm(uint64_t Freq)
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{
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FILE *audiofile=NULL;
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audiofile=fopen("../ssbaudio48.wav","rb");
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if (audiofile==NULL) printf("input file issue\n");
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FILE *audiofile = NULL;
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audiofile = fopen("../ssbaudio48.wav", "rb");
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if (audiofile == NULL)
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printf("input file issue\n");
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bool Stereo = true;
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int SR = 48000;
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int FifoSize = 512;
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amdmasync amtest(Freq, SR, 14, FifoSize);
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bool Stereo=true;
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int SR=48000;
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int FifoSize=512;
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amdmasync amtest(Freq,SR,14,FifoSize);
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short AudioBuffer[128 * 2];
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short AudioBuffer[128*2];
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while(running)
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while (running)
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{
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//usleep(FifoSize*1000000.0*1.0/(8.0*SR));
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usleep(100);
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int Available=amtest.GetBufferAvailable();
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if(Available>256)
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int Available = amtest.GetBufferAvailable();
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if (Available > 256)
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{
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int Index=amtest.GetUserMemIndex();
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int nbread=fread(AudioBuffer,sizeof(short),128*2,audiofile);
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if(nbread>0)
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int Index = amtest.GetUserMemIndex();
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int nbread = fread(AudioBuffer, sizeof(short), 128 * 2, audiofile);
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if (nbread > 0)
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{
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for(int i=0;i<nbread/2;i++)
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for (int i = 0; i < nbread / 2; i++)
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{
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if(!Stereo)
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if (!Stereo)
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{
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float x=((AudioBuffer[i*2]/32768.0)+(AudioBuffer[i*2+1]/32768.0))/4.0;
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amtest.SetAmSample(Index+i,x);
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float x = ((AudioBuffer[i * 2] / 32768.0) + (AudioBuffer[i * 2 + 1] / 32768.0)) / 4.0;
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amtest.SetAmSample(Index + i, x);
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}
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else
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{
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float x=((AudioBuffer[i]/32768.0)/2.0)*8.0;
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amtest.SetAmSample(Index+i,x);
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float x = ((AudioBuffer[i] / 32768.0) / 2.0) * 8.0;
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amtest.SetAmSample(Index + i, x);
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}
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}
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}
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else
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{
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printf("End of file\n");
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fseek ( audiofile , 0 , SEEK_SET );
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fseek(audiofile, 0, SEEK_SET);
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//break;
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}
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}
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@ -302,63 +283,272 @@ void SimpleTestAm(uint64_t Freq)
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void SimpleTestOOK(uint64_t Freq)
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{
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int SR=1000;
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int FifoSize=21; //24
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ookburst ook(Freq,SR,14,FifoSize);
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int SR = 1000;
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int FifoSize = 21; //24
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ookburst ook(Freq, SR, 14, FifoSize);
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unsigned char TabSymbol[FifoSize]={0,1,0,1,0,1,0,1,0,0,1,1,0,0,1,1,0,1,0,1,0};
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unsigned char TabSymbol[FifoSize] = {0, 1, 0, 1, 0, 1, 0, 1, 0, 0, 1, 1, 0, 0, 1, 1, 0, 1, 0, 1, 0};
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/*for(size_t i=0;i<FifoSize;i++)
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ook.SetSymbols(TabSymbol, FifoSize);
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}
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void SimpleTestOOKTiming(uint64_t Freq)
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{
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// 30ms max message
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ookbursttiming ooksender(Freq, 300000);
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ookbursttiming::SampleOOKTiming Message[100];
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for (size_t i = 0; i < 100; i += 2)
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{
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TabSymbol[i]=i%2;
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}*/
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Message[i].value = 1;
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Message[i].duration = 50;
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Message[i + 1].value = 0;
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Message[i + 1].duration = 2000;
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}
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ooksender.SendMessage(Message, 100);
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}
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//while(running)
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uint8_t SetCRC8(uint8_t *addr)
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{
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char nibble[8];
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for (size_t i = 0; i < 4; i++)
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{
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ook.SetSymbols(TabSymbol,FifoSize);
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nibble[i * 2] = 0;
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nibble[i * 2 + 1] = 0;
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for (int j = 0; j < 4; j++)
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{
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nibble[i * 2] |= addr[i * 8 + j] << (j);
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nibble[i * 2 + 1] |= addr[i * 8 + j + 4] << (j);
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}
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fprintf(stderr, "nibble[%d]=%x\nnibble[%d]=%x\n", i * 2, nibble[i * 2], i * 2 + 1, nibble[i * 2 + 1]);
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}
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int8_t checksumcalc = 0;
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if ((nibble[2] & 0x6) != 6)
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{ // temperature packet
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fprintf(stderr, "Temp\n");
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checksumcalc = (0xf - nibble[0] - nibble[1] - nibble[2] - nibble[3] - nibble[4] - nibble[5] - nibble[6] - nibble[7]) & 0xf;
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}
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else
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{
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if ((nibble[3] & 0x7) == 3)
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{ // Rain packet
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fprintf(stderr, "Rain\n");
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checksumcalc = (0x7 + nibble[0] + nibble[1] + nibble[2] + nibble[3] + nibble[4] + nibble[5] + nibble[6] + nibble[7]) & 0xf;
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}
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else
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{ // Wind packet
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fprintf(stderr, "wind\n");
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checksumcalc = (0xf - nibble[0] - nibble[1] - nibble[2] - nibble[3] - nibble[4] - nibble[5] - nibble[6] - nibble[7]) & 0xf;
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}
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}
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for (size_t i = 0; i < 4; i++)
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{
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addr[32 + i] = (checksumcalc >> (i)) & 1;
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}
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fprintf(stderr, "CRC=%x", checksumcalc);
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return checksumcalc;
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}
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void AlectoOOK(uint64_t Freq)
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{
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// 30ms max message
|
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ookbursttiming ooksender(Freq, 1200000);
|
||||
ookbursttiming::SampleOOKTiming Message[50 * 6 * 2]; // 46 exactly * 6 times
|
||||
|
||||
ookbursttiming::SampleOOKTiming pulse;
|
||||
pulse.value = 1;
|
||||
pulse.duration = 450;//468
|
||||
|
||||
ookbursttiming::SampleOOKTiming Sync;
|
||||
Sync.value = 0;
|
||||
Sync.duration = 9000;//8956
|
||||
|
||||
ookbursttiming::SampleOOKTiming Zero;
|
||||
Zero.value = 0;
|
||||
Zero.duration = 2000;//2016
|
||||
|
||||
ookbursttiming::SampleOOKTiming One;
|
||||
One.value = 0;
|
||||
One.duration = 4000;
|
||||
|
||||
size_t n = 0;
|
||||
|
||||
//Widn average
|
||||
unsigned char AlectoProtocol[] = {0, 0, 0, 1, 0, 1, 0, 1, 0, 1, 1, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 1, 0};
|
||||
// Wind gust direction
|
||||
unsigned char AlectoProtocol1[] = {0, 0, 0, 1, 0, 1, 0, 1, 0, 1, 1, 0, 1, 1, 1, 1, 0, 0, 0, 0, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0};
|
||||
|
||||
// Temperature
|
||||
unsigned char AlectoProtocolT[] = {0, 0, 0, 1, 0, 1, 0, 1, 0, 0, 0, 0, 1, 0, 1, 0, 0, 1, 1, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 1, 1, 1, 0};
|
||||
//ID
|
||||
|
||||
/*AlectoProtocol[0]=1;
|
||||
unsigned char LowBattery=0;
|
||||
AlectoProtocol[8]=LowBattery;
|
||||
AlectoProtocol[9]=1;//Wind
|
||||
AlectoProtocol[10]=1;//Wind
|
||||
*/
|
||||
//AlectoProtocol[11] = 1; //Button generated
|
||||
//AlectoProtocol[28] = 1; //Wind
|
||||
//AlectoProtocol1[28] = 1; //Wind
|
||||
|
||||
|
||||
|
||||
//CheckSum n8 = ( 0xf - n0 - n1 - n2 - n3 - n4 - n5 - n6 - n7 ) & 0xf
|
||||
|
||||
|
||||
for (size_t h = 0; h < 6; h++)
|
||||
{
|
||||
|
||||
|
||||
int direction = h*45;
|
||||
for (size_t i = 0; i < 8; i++)
|
||||
{
|
||||
AlectoProtocol1[15 + i] = (direction >> (i)) & 0x1;
|
||||
}
|
||||
int Speed = h*10;
|
||||
Speed=Speed/0.2;
|
||||
for (size_t i = 0; i < 8; i++)
|
||||
{
|
||||
AlectoProtocol[24 + i] = (direction >> (i)) & 0x1;
|
||||
AlectoProtocol1[24 + i] = (direction >> (i)) & 0x1;
|
||||
}
|
||||
SetCRC8(AlectoProtocol1);
|
||||
SetCRC8(AlectoProtocol);
|
||||
n=0;
|
||||
for (size_t i = 0; i < 8; i++)
|
||||
{
|
||||
Message[n++] = pulse;
|
||||
Message[n++] = One;
|
||||
}
|
||||
|
||||
Message[n++] = pulse;
|
||||
Message[n++] = Sync;
|
||||
for (size_t k = 0; k < 6; k++)
|
||||
{
|
||||
for (size_t i = 0; i < 36; i++)
|
||||
{
|
||||
Message[n++] = pulse;
|
||||
if (k % 2 == 0)
|
||||
{
|
||||
if (AlectoProtocol[i] == 0)
|
||||
Message[n++] = Zero;
|
||||
else
|
||||
Message[n++] = One;
|
||||
}
|
||||
else
|
||||
{
|
||||
if (AlectoProtocol1[i] == 0)
|
||||
Message[n++] = Zero;
|
||||
else
|
||||
Message[n++] = One;
|
||||
}
|
||||
//Message[n++]=(AlectoProtocol[i]==0)?Zero:One;
|
||||
}
|
||||
|
||||
if (k < 5) // Not last one
|
||||
{
|
||||
for (size_t i = 0; i < 4; i++)
|
||||
{
|
||||
Message[n++] = pulse;
|
||||
Message[n++] = Sync;
|
||||
}
|
||||
}
|
||||
}
|
||||
Message[n++] = pulse;
|
||||
Message[n++] = Sync;
|
||||
Message[n++] = pulse;
|
||||
|
||||
fprintf(stderr, "N=%d\n", n);
|
||||
ooksender.SendMessage(Message, n);
|
||||
sleep(10);
|
||||
|
||||
int Temperature = h * 100+200;
|
||||
for (size_t i = 0; i < 12; i++)
|
||||
{
|
||||
AlectoProtocolT[12 + i] = (Temperature >> (i)) & 0x1;
|
||||
}
|
||||
//AlectoProtocolT[11] = 1;
|
||||
//AlectoProtocolT[8] = 1;
|
||||
SetCRC8(AlectoProtocolT);
|
||||
fprintf(stderr, "Temperature sending\n");
|
||||
n = 0;
|
||||
for (size_t i = 0; i < 8; i++)
|
||||
{
|
||||
Message[n++] = pulse;
|
||||
Message[n++] = One;
|
||||
}
|
||||
|
||||
Message[n++] = pulse;
|
||||
Message[n++] = Sync;
|
||||
for (size_t k = 0; k < 6; k++)
|
||||
{
|
||||
for (size_t i = 0; i < 36; i++)
|
||||
{
|
||||
Message[n++] = pulse;
|
||||
|
||||
if (AlectoProtocolT[i] == 0)
|
||||
Message[n++] = Zero;
|
||||
else
|
||||
Message[n++] = One;
|
||||
}
|
||||
if (k < 5) // Not last one
|
||||
{
|
||||
//for (size_t i = 0; i < 4; i++)
|
||||
{
|
||||
Message[n++] = pulse;
|
||||
Message[n++] = Sync;
|
||||
}
|
||||
}
|
||||
}
|
||||
Message[n++] = pulse;
|
||||
Message[n++] = Sync;
|
||||
Message[n++] = pulse;
|
||||
|
||||
ooksender.SendMessage(Message, n);
|
||||
//sleep(5);
|
||||
sleep(20);
|
||||
}
|
||||
}
|
||||
|
||||
void SimpleTestBurstFsk(uint64_t Freq)
|
||||
{
|
||||
|
||||
//int SR=40625;
|
||||
int SR=1000;
|
||||
float Deviation=2000;
|
||||
int FifoSize=21;
|
||||
fskburst fsktest(Freq,SR,Deviation,14,FifoSize);
|
||||
|
||||
unsigned char TabSymbol[FifoSize]={0,1,0,1,0,1,0,1,0,0,1,1,0,0,1,1,0,1,0,1,0};
|
||||
int SR = 1000;
|
||||
float Deviation = 2000;
|
||||
int FifoSize = 21;
|
||||
fskburst fsktest(Freq, SR, Deviation, 14, FifoSize);
|
||||
|
||||
unsigned char TabSymbol[FifoSize] = {0, 1, 0, 1, 0, 1, 0, 1, 0, 0, 1, 1, 0, 0, 1, 1, 0, 1, 0, 1, 0};
|
||||
|
||||
//while(running)
|
||||
{
|
||||
|
||||
fsktest.SetSymbols(TabSymbol,FifoSize);
|
||||
|
||||
|
||||
fsktest.SetSymbols(TabSymbol, FifoSize);
|
||||
}
|
||||
fsktest.stop();
|
||||
}
|
||||
static void
|
||||
terminate(int num)
|
||||
{
|
||||
running=false;
|
||||
fprintf(stderr,"Caught signal - Terminating\n");
|
||||
|
||||
running = false;
|
||||
fprintf(stderr, "Caught signal - Terminating\n");
|
||||
}
|
||||
|
||||
|
||||
int main(int argc, char* argv[])
|
||||
int main(int argc, char *argv[])
|
||||
{
|
||||
|
||||
uint64_t Freq=144200000;
|
||||
if(argc>1)
|
||||
Freq=atof(argv[1]);
|
||||
uint64_t Freq = 144200000;
|
||||
if (argc > 1)
|
||||
Freq = atof(argv[1]);
|
||||
|
||||
for (int i = 0; i < 64; i++) {
|
||||
for (int i = 0; i < 64; i++)
|
||||
{
|
||||
struct sigaction sa;
|
||||
|
||||
std::memset(&sa, 0, sizeof(sa));
|
||||
|
|
@ -372,7 +562,7 @@ int main(int argc, char* argv[])
|
|||
//SimpleTestDMA(Freq);
|
||||
//SimpleTestAm(Freq);
|
||||
//SimpleTestOOK(Freq);
|
||||
SimpleTestBurstFsk(Freq);
|
||||
|
||||
//SimpleTestBurstFsk(Freq);
|
||||
//SimpleTestOOKTiming(Freq);
|
||||
AlectoOOK(Freq);
|
||||
}
|
||||
|
||||
|
|
|
|||
|
|
@ -132,8 +132,8 @@ This program is free software: you can redistribute it and/or modify
|
|||
dma_cb_t *cbp=cbarray;
|
||||
cbp++; // Skip the first which is the Fiiling of Fifo
|
||||
|
||||
unsigned i=0;
|
||||
for(i=0;i<Size;i++)
|
||||
|
||||
for(unsigned i=0;i<Size;i++)
|
||||
{
|
||||
|
||||
sampletab[i]=(Symbols[i]==0)?((Originfsel & ~(7 << 12)) | (0 << 12)):((Originfsel & ~(7 << 12)) | (4 << 12));
|
||||
|
|
@ -162,3 +162,34 @@ This program is free software: you can redistribute it and/or modify
|
|||
|
||||
}
|
||||
|
||||
//****************************** OOK BURST TIMING *****************************************
|
||||
// SampleRate is set to 0.1MHZ,means 10us granularity, MaxMessageDuration in us
|
||||
ookbursttiming::ookbursttiming(uint64_t TuneFrequency,size_t MaxMessageDuration):ookburst(TuneFrequency,1e5,14,MaxMessageDuration/10)
|
||||
{
|
||||
m_MaxMessage=MaxMessageDuration;
|
||||
ookrenderbuffer=new unsigned char[m_MaxMessage];
|
||||
}
|
||||
|
||||
ookbursttiming::~ookbursttiming()
|
||||
{
|
||||
if(ookrenderbuffer!=nullptr)
|
||||
delete []ookrenderbuffer;
|
||||
}
|
||||
|
||||
void ookbursttiming::SendMessage(SampleOOKTiming *TabSymbols,size_t Size)
|
||||
{
|
||||
size_t n=0;
|
||||
for (size_t i=0;i<Size;i++)
|
||||
{
|
||||
for(size_t j=0;j<TabSymbols[i].duration/10;j++)
|
||||
{
|
||||
ookrenderbuffer[n++]=TabSymbols[i].value;
|
||||
if(n>=m_MaxMessage)
|
||||
{
|
||||
fprintf(stderr,"OOK Message too long abort time(%d/%d)\n",n,m_MaxMessage);
|
||||
return;
|
||||
}
|
||||
}
|
||||
}
|
||||
SetSymbols(ookrenderbuffer,n);
|
||||
}
|
||||
|
|
|
|||
|
|
@ -20,4 +20,21 @@ class ookburst:public bufferdma,public clkgpio,public pwmgpio,public pcmgpio
|
|||
void SetSymbols(unsigned char *Symbols,uint32_t Size);
|
||||
};
|
||||
|
||||
class ookbursttiming:public ookburst
|
||||
{
|
||||
protected:
|
||||
unsigned char *ookrenderbuffer=nullptr;
|
||||
size_t m_MaxMessage=0;
|
||||
public:
|
||||
typedef struct SampleOOKTiming
|
||||
{
|
||||
unsigned char value;
|
||||
size_t duration;
|
||||
} SampleOOKTiming;
|
||||
|
||||
ookbursttiming(uint64_t TuneFrequency,size_t MaxMessageDuration);
|
||||
~ookbursttiming();
|
||||
void SendMessage(SampleOOKTiming *TabSymbols,size_t Size);
|
||||
};
|
||||
|
||||
#endif
|
||||
|
|
|
|||
Loading…
Reference in a new issue