Add ramp for smooth transition on FSK
This commit is contained in:
F5OEO
parent
19956d2635
commit
5475c41ccf
5 changed files with 246 additions and 221 deletions
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@ -283,9 +283,9 @@ 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 SR = 10; //10 HZ
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int FifoSize = 21; //24
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ookburst ook(Freq, SR, 14, FifoSize);
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ookburst ook(Freq, SR, 14, FifoSize,100);
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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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@ -733,6 +733,6 @@ int main(int argc, char *argv[])
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//SimpleTestBurstFsk(Freq);
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//SimpleTestOOKTiming(Freq);
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//AlectoOOK(Freq);
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//RfSwitchOOK(Freq);
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SimpleTestAtv(Freq);
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RfSwitchOOK(Freq);
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//SimpleTestAtv(Freq);
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}
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200
src/fskburst.cpp
200
src/fskburst.cpp
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@ -20,108 +20,124 @@ This program is free software: you can redistribute it and/or modify
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#include "util.h"
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#include <unistd.h>
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fskburst::fskburst(uint64_t TuneFrequency,uint32_t SymbolRate,float Deviation,int Channel,uint32_t FifoSize):bufferdma(Channel,FifoSize+3,2,1),freqdeviation(Deviation)
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{
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clkgpio::SetAdvancedPllMode(true);
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clkgpio::SetCenterFrequency(TuneFrequency,SymbolRate); // Write Mult Int and Frac : FixMe carrier is already there
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clkgpio::SetFrequency(0);
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disableclk(4);
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syncwithpwm=false;
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if(syncwithpwm)
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{
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pwmgpio::SetPllNumber(clk_plld,1);
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pwmgpio::SetFrequency(SymbolRate);
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}
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else
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{
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pcmgpio::SetPllNumber(clk_plld,1);
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pcmgpio::SetFrequency(SymbolRate);
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}
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//Should be obligatory place before setdmaalgo
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Originfsel=clkgpio::gengpio.gpioreg[GPFSEL0];
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dbg_printf(1,"FSK Origin fsel %x\n",Originfsel);
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SetDmaAlgo();
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}
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fskburst::~fskburst()
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{
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}
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void fskburst::SetDmaAlgo()
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fskburst::fskburst(uint64_t TuneFrequency, float SymbolRate, float Deviation, int Channel, uint32_t FifoSize, size_t upsample,float RatioRamp) : bufferdma(Channel, FifoSize * upsample + 3, 2, 1), freqdeviation(Deviation), SR_upsample(upsample)
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{
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sampletab[buffersize*registerbysample-2]=(Originfsel & ~(7 << 12)) | (4 << 12); //Gpio Clk
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sampletab[buffersize*registerbysample-1]=(Originfsel & ~(7 << 12)) | (0 << 12); //Gpio In
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dma_cb_t *cbp = cbarray;
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// We must fill the FIFO (PWM or PCM) to be Synchronized from start
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// PWM FIFO = 16
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// PCM FIFO = 64
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if(syncwithpwm)
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{
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SetEasyCB(cbp++,0,dma_pwm,16+1);
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}
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else
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{
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SetEasyCB(cbp++,0,dma_pcm,64+1);
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}
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clkgpio::SetAdvancedPllMode(true);
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clkgpio::SetCenterFrequency(TuneFrequency, Deviation*10); // Write Mult Int and Frac : FixMe carrier is already there
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clkgpio::SetFrequency(0);
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disableclk(4);
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syncwithpwm = false;
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Ramp = SR_upsample * RatioRamp; //Ramp time = 10%
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SetEasyCB(cbp++,buffersize*registerbysample-2,dma_fsel,1);//Enable clk
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for (uint32_t samplecnt = 0; samplecnt < buffersize-2; samplecnt++)
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{
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// Write a frequency sample
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SetEasyCB(cbp++,samplecnt*registerbysample,dma_pllc_frac,1);//FReq
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// Delay
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SetEasyCB(cbp++,samplecnt*registerbysample,syncwithpwm?dma_pwm:dma_pcm,1);
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}
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lastcbp=cbp;
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SetEasyCB(cbp,buffersize*registerbysample-1,dma_fsel,1);//Disable clk
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cbp->next = 0; // Stop DMA
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dbg_printf(2,"Last cbp : src %x dest %x next %x\n",cbp->src,cbp->dst,cbp->next);
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}
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void fskburst::SetSymbols(unsigned char *Symbols,uint32_t Size)
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if (syncwithpwm)
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{
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if(Size>buffersize-3) {dbg_printf(1,"Buffer overflow\n");return;}
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dma_cb_t *cbp=cbarray;
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cbp+=2; // Skip the first 2 CB (initialisation)
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for(unsigned int i=0;i<Size;i++)
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pwmgpio::SetPllNumber(clk_plld, 1);
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pwmgpio::SetFrequency(SymbolRate * (float)SR_upsample);
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}
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else
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{
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pcmgpio::SetPllNumber(clk_plld, 1);
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pcmgpio::SetFrequency(SymbolRate * (float)SR_upsample);
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}
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//Should be obligatory place before setdmaalgo
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Originfsel = clkgpio::gengpio.gpioreg[GPFSEL0];
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dbg_printf(1, "FSK Origin fsel %x\n", Originfsel);
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SetDmaAlgo();
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}
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fskburst::~fskburst()
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{
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}
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void fskburst::SetDmaAlgo()
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{
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sampletab[buffersize * registerbysample - 2] = (Originfsel & ~(7 << 12)) | (4 << 12); //Gpio Clk
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sampletab[buffersize * registerbysample - 1] = (Originfsel & ~(7 << 12)) | (0 << 12); //Gpio In
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dma_cb_t *cbp = cbarray;
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// We must fill the FIFO (PWM or PCM) to be Synchronized from start
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// PWM FIFO = 16
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// PCM FIFO = 64
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if (syncwithpwm)
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{
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SetEasyCB(cbp++, 0, dma_pwm, 16 + 1);
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}
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else
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{
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SetEasyCB(cbp++, 0, dma_pcm, 64 + 1);
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}
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SetEasyCB(cbp++, buffersize * registerbysample - 2, dma_fsel, 1); //Enable clk
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for (uint32_t samplecnt = 0; samplecnt < buffersize - 2; samplecnt++)
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{
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// Write a frequency sample
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SetEasyCB(cbp++, samplecnt * registerbysample, dma_pllc_frac, 1); //FReq
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// Delay
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SetEasyCB(cbp++, samplecnt * registerbysample, syncwithpwm ? dma_pwm : dma_pcm, 1);
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}
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lastcbp = cbp;
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SetEasyCB(cbp, buffersize * registerbysample - 1, dma_fsel, 1); //Disable clk
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cbp->next = 0; // Stop DMA
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dbg_printf(2, "Last cbp : src %x dest %x next %x\n", cbp->src, cbp->dst, cbp->next);
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}
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void fskburst::SetSymbols(unsigned char *Symbols, uint32_t Size)
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{
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if (Size > buffersize - 3)
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{
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dbg_printf(1, "Buffer overflow\n");
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return;
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}
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dma_cb_t *cbp = cbarray;
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cbp += 2; // Skip the first 2 CB (initialisation)
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for (unsigned int i = 0; i < Size; i++)
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{
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for (size_t j = 0; j < SR_upsample - Ramp; j++)
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{
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sampletab[i]=(0x5A<<24)|GetMasterFrac(freqdeviation*Symbols[i]);
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cbp++;//SKIP FREQ CB
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sampletab[i * SR_upsample + j] = (0x5A << 24) | GetMasterFrac(freqdeviation * Symbols[i]);
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cbp++; //SKIP FREQ CB
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cbp->next = mem_virt_to_phys(cbp + 1);
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cbp++;
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}
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cbp--;
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cbp->next = mem_virt_to_phys(lastcbp);
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dma::start();
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while(isrunning()) //Block function : return until sent completely signal
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for (size_t j = 0 ; j < Ramp; j++)
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{
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//dbg_printf(1,"GPIO %x\n",clkgpio::gengpio.gpioreg[GPFSEL0]);
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usleep(100);
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if (i < Size - 1)
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{
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sampletab[i * SR_upsample + j + SR_upsample - Ramp] = (0x5A << 24) | GetMasterFrac(freqdeviation * Symbols[i] + j* (freqdeviation * Symbols[i + 1] - freqdeviation * Symbols[i]) / (float)Ramp);
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dbg_printf(2, "Ramp %f ->%f : %d %f\n",freqdeviation * Symbols[i],freqdeviation * Symbols[i+1], j,freqdeviation * Symbols[i] + j* (freqdeviation * Symbols[i + 1] - freqdeviation * Symbols[i]) / (float)Ramp);
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}
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else
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{
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sampletab[i * SR_upsample + j + SR_upsample -Ramp] = (0x5A << 24) | GetMasterFrac(freqdeviation * Symbols[i]);
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}
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cbp++; //SKIP FREQ CB
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cbp->next = mem_virt_to_phys(cbp + 1);
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cbp++;
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}
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dbg_printf(1,"FSK burst end Tx\n",cbp->src,cbp->dst,cbp->next);
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usleep(100);//To be sure last symbol Tx ?
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}
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cbp--;
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cbp->next = mem_virt_to_phys(lastcbp);
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dma::start();
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while (isrunning()) //Block function : return until sent completely signal
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{
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//dbg_printf(1,"GPIO %x\n",clkgpio::gengpio.gpioreg[GPFSEL0]);
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usleep(100);
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}
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dbg_printf(1, "FSK burst end Tx\n", cbp->src, cbp->dst, cbp->next);
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usleep(100); //To be sure last symbol Tx ?
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}
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@ -12,8 +12,10 @@ class fskburst:public bufferdma,public clkgpio,public pwmgpio,public pcmgpio
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uint32_t Originfsel;
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bool syncwithpwm;
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dma_cb_t *lastcbp;
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size_t SR_upsample=0;
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size_t Ramp=0;
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public:
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fskburst(uint64_t TuneFrequency,uint32_t SymbolRate,float Deviation,int Channel,uint32_t FifoSize);
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fskburst(uint64_t TuneFrequency,float SymbolRate,float Deviation,int Channel,uint32_t FifoSize,size_t upsample=1,float RatioRamp=0);
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~fskburst();
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void SetDmaAlgo();
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251
src/ookburst.cpp
251
src/ookburst.cpp
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@ -20,139 +20,144 @@ This program is free software: you can redistribute it and/or modify
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#include "ookburst.h"
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#include "util.h"
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ookburst::ookburst(uint64_t TuneFrequency,uint32_t SymbolRate,int Channel,uint32_t FifoSize):bufferdma(Channel,FifoSize+2,2,1)
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{
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clkgpio::SetAdvancedPllMode(true);
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clkgpio::SetCenterFrequency(TuneFrequency,0); // Bandwidth is 0 because frequency always the same
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clkgpio::SetFrequency(0);
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syncwithpwm=false;
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if(syncwithpwm)
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{
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pwmgpio::SetPllNumber(clk_plld,1);
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pwmgpio::SetFrequency(SymbolRate);
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}
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else
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{
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pcmgpio::SetPllNumber(clk_plld,1);
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pcmgpio::SetFrequency(SymbolRate);
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}
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Originfsel=clkgpio::gengpio.gpioreg[GPFSEL0];
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SetDmaAlgo();
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}
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ookburst::~ookburst()
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{
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}
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void ookburst::SetDmaAlgo()
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ookburst::ookburst(uint64_t TuneFrequency, float SymbolRate, int Channel, uint32_t FifoSize, size_t upsample, float RatioRamp) : bufferdma(Channel, FifoSize * upsample + 2, 2, 1),SR_upsample(upsample)
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{
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dma_cb_t *cbp=cbarray;
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// We must fill the FIFO (PWM or PCM) to be Synchronized from start
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// PWM FIFO = 16
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// PCM FIFO = 64
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if(syncwithpwm)
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clkgpio::SetAdvancedPllMode(true);
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clkgpio::SetCenterFrequency(TuneFrequency, 0); // Bandwidth is 0 because frequency always the same
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clkgpio::SetFrequency(0);
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syncwithpwm = false;
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Ramp = SR_upsample * RatioRamp; //Ramp time
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if (syncwithpwm)
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{
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pwmgpio::SetPllNumber(clk_plld, 1);
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pwmgpio::SetFrequency(SymbolRate * (float)upsample);
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}
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else
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{
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pcmgpio::SetPllNumber(clk_plld, 1);
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pcmgpio::SetFrequency(SymbolRate * float(upsample));
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}
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Originfsel = clkgpio::gengpio.gpioreg[GPFSEL0];
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SetDmaAlgo();
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}
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ookburst::~ookburst()
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{
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}
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void ookburst::SetDmaAlgo()
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{
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dma_cb_t *cbp = cbarray;
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// We must fill the FIFO (PWM or PCM) to be Synchronized from start
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// PWM FIFO = 16
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// PCM FIFO = 64
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if (syncwithpwm)
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{
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SetEasyCB(cbp++, 0, dma_pwm, 16 + 1);
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}
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else
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{
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SetEasyCB(cbp++, 0, dma_pcm, 64 + 1);
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}
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for (uint32_t samplecnt = 0; samplecnt < buffersize - 2; samplecnt++)
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{
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//Set Amplitude to FSEL for amplitude=0
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SetEasyCB(cbp++, samplecnt * registerbysample, dma_fsel, 1);
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// Delay
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SetEasyCB(cbp++, samplecnt * registerbysample, syncwithpwm ? dma_pwm : dma_pcm, 1);
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}
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lastcbp = cbp;
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// Last CBP before stopping : disable output
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sampletab[buffersize * registerbysample - 1] = (Originfsel & ~(7 << 12)) | (0 << 12); //Disable Clk
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SetEasyCB(cbp, buffersize * registerbysample - 1, dma_fsel, 1);
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cbp->next = 0; // Stop DMA
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}
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void ookburst::SetSymbols(unsigned char *Symbols, uint32_t Size)
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{
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if (Size > buffersize - 2)
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{
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dbg_printf(1, "Buffer overflow\n");
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return;
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}
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dma_cb_t *cbp = cbarray;
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cbp++; // Skip the first which is the Fiiling of Fifo
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for (unsigned i = 0; i < Size; i++)
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{
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for (size_t j = 0; j < SR_upsample - Ramp; j++)
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{
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sampletab[i * SR_upsample + j] = (Symbols[i] == 0) ? ((Originfsel & ~(7 << 12)) | (0 << 12)) : ((Originfsel & ~(7 << 12)) | (4 << 12));
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cbp++; //SKIP FSEL CB
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cbp->next = mem_virt_to_phys(cbp + 1);
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cbp++;
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}
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for (size_t j = 0; j < Ramp; j++)
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{
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if (i < Size - 1)
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{
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SetEasyCB(cbp++,0,dma_pwm,16+1);
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sampletab[i * SR_upsample + j + SR_upsample - Ramp] = (Symbols[i] == 0) ? ((Originfsel & ~(7 << 12)) | (0 << 12)) : ((Originfsel & ~(7 << 12)) | (4 << 12));
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}
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else
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{
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SetEasyCB(cbp++,0,dma_pcm,64+1);
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sampletab[i * SR_upsample + j + SR_upsample - Ramp] = (Symbols[i] == 0) ? ((Originfsel & ~(7 << 12)) | (0 << 12)) : ((Originfsel & ~(7 << 12)) | (4 << 12));
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}
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for (uint32_t samplecnt = 0; samplecnt < buffersize-2; samplecnt++)
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{
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//Set Amplitude to FSEL for amplitude=0
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SetEasyCB(cbp++,samplecnt*registerbysample,dma_fsel,1);
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// Delay
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SetEasyCB(cbp++,samplecnt*registerbysample,syncwithpwm?dma_pwm:dma_pcm,1);
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}
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lastcbp=cbp;
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// Last CBP before stopping : disable output
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sampletab[buffersize*registerbysample-1]=(Originfsel & ~(7 << 12)) | (0 << 12); //Disable Clk
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SetEasyCB(cbp,buffersize*registerbysample-1,dma_fsel,1);
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cbp->next = 0; // Stop DMA
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}
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void ookburst::SetSymbols(unsigned char *Symbols,uint32_t Size)
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{
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if(Size>buffersize-2) {dbg_printf(1,"Buffer overflow\n");return;}
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dma_cb_t *cbp=cbarray;
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cbp++; // Skip the first which is the Fiiling of Fifo
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for(unsigned i=0;i<Size;i++)
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{
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sampletab[i]=(Symbols[i]==0)?((Originfsel & ~(7 << 12)) | (0 << 12)):((Originfsel & ~(7 << 12)) | (4 << 12));
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cbp++;//SKIP FSEL CB
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cbp++; //SKIP FREQ CB
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cbp->next = mem_virt_to_phys(cbp + 1);
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//dbg_printf(1,"cbp : sample %d pointer %p src %x dest %x next %x\n",i,cbp,cbp->src,cbp->dst,cbp->next);
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cbp++;
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cbp++;
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}
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cbp--;
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cbp->next = mem_virt_to_phys(lastcbp);
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dma::start();
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|
||||
|
||||
while(isrunning()) //Block function : return until sent completely signal
|
||||
}
|
||||
|
||||
cbp--;
|
||||
cbp->next = mem_virt_to_phys(lastcbp);
|
||||
|
||||
dma::start();
|
||||
|
||||
while (isrunning()) //Block function : return until sent completely signal
|
||||
{
|
||||
usleep(100);
|
||||
}
|
||||
usleep(100); //To be sure last symbol Tx ?
|
||||
}
|
||||
|
||||
//****************************** 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++)
|
||||
{
|
||||
usleep(100);
|
||||
|
||||
}
|
||||
usleep(100);//To be sure last symbol Tx ?
|
||||
|
||||
}
|
||||
|
||||
//****************************** 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)
|
||||
{
|
||||
ookrenderbuffer[n++]=TabSymbols[i].value;
|
||||
if(n>=m_MaxMessage)
|
||||
{
|
||||
dbg_printf(1,"OOK Message too long abort time(%d/%d)\n",n,m_MaxMessage);
|
||||
return;
|
||||
}
|
||||
}
|
||||
dbg_printf(1, "OOK Message too long abort time(%d/%d)\n", n, m_MaxMessage);
|
||||
return;
|
||||
}
|
||||
}
|
||||
SetSymbols(ookrenderbuffer,n);
|
||||
}
|
||||
SetSymbols(ookrenderbuffer, n);
|
||||
}
|
||||
|
|
|
|||
|
|
@ -12,8 +12,10 @@ class ookburst:public bufferdma,public clkgpio,public pwmgpio,public pcmgpio
|
|||
uint32_t Originfsel;
|
||||
bool syncwithpwm;
|
||||
dma_cb_t *lastcbp;
|
||||
size_t SR_upsample=1;
|
||||
size_t Ramp=0.0;
|
||||
public:
|
||||
ookburst(uint64_t TuneFrequency,uint32_t SymbolRate,int Channel,uint32_t FifoSize);
|
||||
ookburst(uint64_t TuneFrequency,float SymbolRate,int Channel,uint32_t FifoSize, size_t upsample=1,float RatioRamp=0.0);
|
||||
~ookburst();
|
||||
void SetDmaAlgo();
|
||||
|
||||
|
|
|
|||
Loading…
Reference in a new issue