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Initial release ATV - PAL L

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This commit is contained in:
F5OEO 2018-12-23 14:25:11 +00:00
parent f37ae6954d
commit 34d43bf441
5 changed files with 451 additions and 5 deletions
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23
app/testrpitx.cpp
View file

@ -637,6 +637,26 @@ void SimpleTestBurstFsk(uint64_t Freq)
}
fsktest.stop();
}
void SimpleTestAtv(uint64_t Freq)
{
int SR = 1000000;
int FifoSize = 625*52;
float samples[FifoSize];
for(int j=0;j<625;j++)
{
for(int i=0;i<52;i++) samples[i+j*52]=i/52.0;
}
atv atvtest(Freq, SR, 14, 625);
atvtest.SetTvSamples(samples,FifoSize);
while(running)
{
usleep(100000);
}
}
static void
terminate(int num)
{
@ -669,5 +689,6 @@ int main(int argc, char *argv[])
//SimpleTestBurstFsk(Freq);
//SimpleTestOOKTiming(Freq);
//AlectoOOK(Freq);
RfSwitchOOK(Freq);
//RfSwitchOOK(Freq);
SimpleTestAtv(Freq);
}

6
src/Makefile
View file

@ -4,11 +4,11 @@ LDFLAGS = -lm -lrt -lpthread
CCP = c++
CC = cc
librpitx: librpitx.h gpio.h gpio.cpp dma.h dma.cpp mailbox.c raspberry_pi_revision.c fmdmasync.h fmdmasync.cpp ngfmdmasync.h ngfmdmasync.cpp dsp.h dsp.cpp iqdmasync.h iqdmasync.cpp serialdmasync.h serialdmasync.cpp phasedmasync.h phasedmasync.cpp fskburst.h fskburst.cpp ookburst.cpp ookburst.h
librpitx: librpitx.h gpio.h gpio.cpp dma.h dma.cpp mailbox.c raspberry_pi_revision.c fmdmasync.h fmdmasync.cpp ngfmdmasync.h ngfmdmasync.cpp dsp.h dsp.cpp iqdmasync.h iqdmasync.cpp serialdmasync.h serialdmasync.cpp phasedmasync.h phasedmasync.cpp fskburst.h fskburst.cpp ookburst.cpp ookburst.h atv.h atv.cpp
$(CC) $(CFLAGS) -c -o mailbox.o mailbox.c
$(CC) $(CFLAGS) -c -o raspberry_pi_revision.o raspberry_pi_revision.c
$(CCP) $(CXXFLAGS) -c dsp.cpp iqdmasync.cpp ngfmdmasync.cpp fmdmasync.cpp dma.cpp gpio.cpp serialdmasync.cpp phasedmasync.cpp amdmasync.h amdmasync.cpp fskburst.cpp ookburst.cpp
$(AR) rc librpitx.a dsp.o iqdmasync.o ngfmdmasync.o fmdmasync.o dma.o gpio.o mailbox.o raspberry_pi_revision.o serialdmasync.o phasedmasync.o amdmasync.o fskburst.o ookburst.o
$(CCP) $(CXXFLAGS) -c dsp.cpp iqdmasync.cpp ngfmdmasync.cpp fmdmasync.cpp dma.cpp gpio.cpp serialdmasync.cpp phasedmasync.cpp amdmasync.h amdmasync.cpp fskburst.cpp ookburst.cpp atv.cpp
$(AR) rc librpitx.a dsp.o iqdmasync.o ngfmdmasync.o fmdmasync.o dma.o gpio.o mailbox.o raspberry_pi_revision.o serialdmasync.o phasedmasync.o amdmasync.o fskburst.o ookburst.o atv.o
install: librpitx

399
src/atv.cpp Normal file
View file

@ -0,0 +1,399 @@
/*
Copyright (C) 2018 Evariste COURJAUD F5OEO
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "stdio.h"
#include "atv.h"
#include "gpio.h"
#include <unistd.h>
#include <math.h>
#include <time.h>
#include <sched.h>
#include <stdlib.h>
atv::atv(uint64_t TuneFrequency, uint32_t SR, int Channel, uint32_t Lines) : bufferdma(Channel, 20 + /*(fixme)*/ 2 + Lines * (6 + (52 * 2)), 2, 1)
// Need 2 more bytes for 0 and 1
// Need 6 CB more for sync, if so as 2CBby sample : 3
{
SampleRate = SR;
tunefreq = TuneFrequency;
clkgpio::SetAdvancedPllMode(true);
clkgpio::SetCenterFrequency(TuneFrequency, SampleRate);
clkgpio::SetFrequency(0);
clkgpio::enableclk(4); // GPIO 4 CLK by default
syncwithpwm = true;
if (syncwithpwm)
{
pwmgpio::SetPllNumber(clk_plld, 1);
pwmgpio::SetFrequency(SampleRate);
}
else
{
pcmgpio::SetPllNumber(clk_plld, 1);
pcmgpio::SetFrequency(SampleRate);
}
padgpio pad;
Originfsel = pad.gpioreg[PADS_GPIO_0];
sampletab[(buffersize * registerbysample - 2)] = (0x5A << 24) + (1 & 0x7) + (1 << 4) + (0 << 3); // Amp 1
sampletab[(buffersize * registerbysample - 1)] = (0x5A << 24) + (0 & 0x7) + (1 << 4) + (0 << 3); // Amp 0
SetDmaAlgo();
}
atv::~atv()
{
clkgpio::disableclk(4);
padgpio pad;
pad.gpioreg[PADS_GPIO_0] = Originfsel;
}
void atv::SetDmaAlgo()
{
dma_cb_t *cbp = cbarray;
int LineResolution = 625;
for (int frame = 0; frame < 2; frame++)
{
//32us*5 or 6
for (int i = 0; i < 5+frame; i++)
{
//2us 0,30us 1
//@0
//SYNC preegalisation 2us
cbp->info = 0; //BCM2708_DMA_NO_WIDE_BURSTS | BCM2708_DMA_WAIT_RESP ;
cbp->src = mem_virt_to_phys(&usermem[(buffersize * registerbysample - 1)]); //Amp 0
cbp->dst = 0x7E000000 + (PADS_GPIO_0 << 2) + PADS_GPIO;
cbp->length = 4;
cbp->stride = 0;
cbp->next = mem_virt_to_phys(cbp + 1);
cbp++;
// Delay
if (syncwithpwm)
cbp->info = BCM2708_DMA_NO_WIDE_BURSTS | BCM2708_DMA_WAIT_RESP | BCM2708_DMA_D_DREQ | BCM2708_DMA_PER_MAP(DREQ_PWM);
else
cbp->info = BCM2708_DMA_NO_WIDE_BURSTS | BCM2708_DMA_WAIT_RESP | BCM2708_DMA_D_DREQ | BCM2708_DMA_PER_MAP(DREQ_PCM_TX);
cbp->src = mem_virt_to_phys(cbarray); // Data is not important as we use it only to feed the PWM
if (syncwithpwm)
cbp->dst = 0x7E000000 + (PWM_FIFO << 2) + PWM_BASE;
else
cbp->dst = 0x7E000000 + (PCM_FIFO_A << 2) + PCM_BASE;
cbp->length = 4 * 2; //2us
cbp->stride = 0;
cbp->next = mem_virt_to_phys(cbp + 1);
cbp++;
//SYNC preegalisation 30us
cbp->info = 0; //BCM2708_DMA_NO_WIDE_BURSTS | BCM2708_DMA_WAIT_RESP ;
cbp->src = mem_virt_to_phys(&usermem[(buffersize * registerbysample - 2)]); //Amp 1
cbp->dst = 0x7E000000 + (PADS_GPIO_0 << 2) + PADS_GPIO;
cbp->length = 4;
cbp->stride = 0;
cbp->next = mem_virt_to_phys(cbp + 1);
cbp++;
// Delay
if (syncwithpwm)
cbp->info = BCM2708_DMA_NO_WIDE_BURSTS | BCM2708_DMA_WAIT_RESP | BCM2708_DMA_D_DREQ | BCM2708_DMA_PER_MAP(DREQ_PWM);
else
cbp->info = BCM2708_DMA_NO_WIDE_BURSTS | BCM2708_DMA_WAIT_RESP | BCM2708_DMA_D_DREQ | BCM2708_DMA_PER_MAP(DREQ_PCM_TX);
cbp->src = mem_virt_to_phys(cbarray); // Data is not important as we use it only to feed the PWM
if (syncwithpwm)
cbp->dst = 0x7E000000 + (PWM_FIFO << 2) + PWM_BASE;
else
cbp->dst = 0x7E000000 + (PCM_FIFO_A << 2) + PCM_BASE;
cbp->length = 4 * 30; //30us
cbp->stride = 0;
cbp->next = mem_virt_to_phys(cbp + 1);
cbp++;
}
//SYNC top trame
for (int i = 0; i < 5; i++)
{
cbp->info = 0; //BCM2708_DMA_NO_WIDE_BURSTS | BCM2708_DMA_WAIT_RESP ;
cbp->src = mem_virt_to_phys(&usermem[(buffersize * registerbysample - 1)]); //Amp 0 27us
cbp->dst = 0x7E000000 + (PADS_GPIO_0 << 2) + PADS_GPIO;
cbp->length = 4;
cbp->stride = 0;
cbp->next = mem_virt_to_phys(cbp + 1);
cbp++;
// Delay
if (syncwithpwm)
cbp->info = BCM2708_DMA_NO_WIDE_BURSTS | BCM2708_DMA_WAIT_RESP | BCM2708_DMA_D_DREQ | BCM2708_DMA_PER_MAP(DREQ_PWM);
else
cbp->info = BCM2708_DMA_NO_WIDE_BURSTS | BCM2708_DMA_WAIT_RESP | BCM2708_DMA_D_DREQ | BCM2708_DMA_PER_MAP(DREQ_PCM_TX);
cbp->src = mem_virt_to_phys(cbarray); // Data is not important as we use it only to feed the PWM
if (syncwithpwm)
cbp->dst = 0x7E000000 + (PWM_FIFO << 2) + PWM_BASE;
else
cbp->dst = 0x7E000000 + (PCM_FIFO_A << 2) + PCM_BASE;
cbp->length = 4 * 27; //27us
cbp->stride = 0;
cbp->next = mem_virt_to_phys(cbp + 1);
cbp++;
cbp->info = 0; //BCM2708_DMA_NO_WIDE_BURSTS | BCM2708_DMA_WAIT_RESP ;
cbp->src = mem_virt_to_phys(&usermem[(buffersize * registerbysample - 2)]); //Amp 1 5us
cbp->dst = 0x7E000000 + (PADS_GPIO_0 << 2) + PADS_GPIO;
cbp->length = 4;
cbp->stride = 0;
cbp->next = mem_virt_to_phys(cbp + 1);
cbp++;
// Delay
if (syncwithpwm)
cbp->info = BCM2708_DMA_NO_WIDE_BURSTS | BCM2708_DMA_WAIT_RESP | BCM2708_DMA_D_DREQ | BCM2708_DMA_PER_MAP(DREQ_PWM);
else
cbp->info = BCM2708_DMA_NO_WIDE_BURSTS | BCM2708_DMA_WAIT_RESP | BCM2708_DMA_D_DREQ | BCM2708_DMA_PER_MAP(DREQ_PCM_TX);
cbp->src = mem_virt_to_phys(cbarray); // Data is not important as we use it only to feed the PWM
if (syncwithpwm)
cbp->dst = 0x7E000000 + (PWM_FIFO << 2) + PWM_BASE;
else
cbp->dst = 0x7E000000 + (PCM_FIFO_A << 2) + PCM_BASE;
cbp->length = 4 * 5; //5us
cbp->stride = 0;
cbp->next = mem_virt_to_phys(cbp + 1);
cbp++;
}
//postegalisation ; copy paste from preegalisation
for (int i = 0; i < 5; i++)
{
//2us 0,30us 1
//@0
//SYNC preegalisation 2us
cbp->info = 0; //BCM2708_DMA_NO_WIDE_BURSTS | BCM2708_DMA_WAIT_RESP ;
cbp->src = mem_virt_to_phys(&usermem[(buffersize * registerbysample - 1)]); //Amp 0
cbp->dst = 0x7E000000 + (PADS_GPIO_0 << 2) + PADS_GPIO;
cbp->length = 4;
cbp->stride = 0;
cbp->next = mem_virt_to_phys(cbp + 1);
cbp++;
// Delay
if (syncwithpwm)
cbp->info = BCM2708_DMA_NO_WIDE_BURSTS | BCM2708_DMA_WAIT_RESP | BCM2708_DMA_D_DREQ | BCM2708_DMA_PER_MAP(DREQ_PWM);
else
cbp->info = BCM2708_DMA_NO_WIDE_BURSTS | BCM2708_DMA_WAIT_RESP | BCM2708_DMA_D_DREQ | BCM2708_DMA_PER_MAP(DREQ_PCM_TX);
cbp->src = mem_virt_to_phys(cbarray); // Data is not important as we use it only to feed the PWM
if (syncwithpwm)
cbp->dst = 0x7E000000 + (PWM_FIFO << 2) + PWM_BASE;
else
cbp->dst = 0x7E000000 + (PCM_FIFO_A << 2) + PCM_BASE;
cbp->length = 4 * 2; //2us
cbp->stride = 0;
cbp->next = mem_virt_to_phys(cbp + 1);
cbp++;
//SYNC preegalisation 30us
cbp->info = 0; //BCM2708_DMA_NO_WIDE_BURSTS | BCM2708_DMA_WAIT_RESP ;
cbp->src = mem_virt_to_phys(&usermem[(buffersize * registerbysample - 2)]); //Amp 1
cbp->dst = 0x7E000000 + (PADS_GPIO_0 << 2) + PADS_GPIO;
cbp->length = 4;
cbp->stride = 0;
cbp->next = mem_virt_to_phys(cbp + 1);
cbp++;
// Delay
if (syncwithpwm)
cbp->info = BCM2708_DMA_NO_WIDE_BURSTS | BCM2708_DMA_WAIT_RESP | BCM2708_DMA_D_DREQ | BCM2708_DMA_PER_MAP(DREQ_PWM);
else
cbp->info = BCM2708_DMA_NO_WIDE_BURSTS | BCM2708_DMA_WAIT_RESP | BCM2708_DMA_D_DREQ | BCM2708_DMA_PER_MAP(DREQ_PCM_TX);
cbp->src = mem_virt_to_phys(cbarray); // Data is not important as we use it only to feed the PWM
if (syncwithpwm)
cbp->dst = 0x7E000000 + (PWM_FIFO << 2) + PWM_BASE;
else
cbp->dst = 0x7E000000 + (PCM_FIFO_A << 2) + PCM_BASE;
cbp->length = 4 * 30; //30us
cbp->stride = 0;
cbp->next = mem_virt_to_phys(cbp + 1);
cbp++;
}
for (int line = 0; line < 305; line++)
{
//@0
//SYNC 0/ 5us
cbp->info = 0; //BCM2708_DMA_NO_WIDE_BURSTS | BCM2708_DMA_WAIT_RESP ;
cbp->src = mem_virt_to_phys(&usermem[(buffersize * registerbysample - 1)]); //Amp 0
cbp->dst = 0x7E000000 + (PADS_GPIO_0 << 2) + PADS_GPIO;
cbp->length = 4;
cbp->stride = 0;
cbp->next = mem_virt_to_phys(cbp + 1);
cbp++;
// Delay
if (syncwithpwm)
cbp->info = BCM2708_DMA_NO_WIDE_BURSTS | BCM2708_DMA_WAIT_RESP | BCM2708_DMA_D_DREQ | BCM2708_DMA_PER_MAP(DREQ_PWM);
else
cbp->info = BCM2708_DMA_NO_WIDE_BURSTS | BCM2708_DMA_WAIT_RESP | BCM2708_DMA_D_DREQ | BCM2708_DMA_PER_MAP(DREQ_PCM_TX);
cbp->src = mem_virt_to_phys(cbarray); // Data is not important as we use it only to feed the PWM
if (syncwithpwm)
cbp->dst = 0x7E000000 + (PWM_FIFO << 2) + PWM_BASE;
else
cbp->dst = 0x7E000000 + (PCM_FIFO_A << 2) + PCM_BASE;
cbp->length = 4 * 4; //5us
cbp->stride = 0;
cbp->next = mem_virt_to_phys(cbp + 1);
cbp++;
//@0
//SYNC 1/ 5us
cbp->info = 0; //BCM2708_DMA_NO_WIDE_BURSTS | BCM2708_DMA_WAIT_RESP ;
cbp->src = mem_virt_to_phys(&usermem[(buffersize * registerbysample - 2)]); //Amp 1
cbp->dst = 0x7E000000 + (PADS_GPIO_0 << 2) + PADS_GPIO;
cbp->length = 4;
cbp->stride = 0;
cbp->next = mem_virt_to_phys(cbp + 1);
cbp++;
// Delay
if (syncwithpwm)
cbp->info = BCM2708_DMA_NO_WIDE_BURSTS | BCM2708_DMA_WAIT_RESP | BCM2708_DMA_D_DREQ | BCM2708_DMA_PER_MAP(DREQ_PWM);
else
cbp->info = BCM2708_DMA_NO_WIDE_BURSTS | BCM2708_DMA_WAIT_RESP | BCM2708_DMA_D_DREQ | BCM2708_DMA_PER_MAP(DREQ_PCM_TX);
cbp->src = mem_virt_to_phys(cbarray); // Data is not important as we use it only to feed the PWM
if (syncwithpwm)
cbp->dst = 0x7E000000 + (PWM_FIFO << 2) + PWM_BASE;
else
cbp->dst = 0x7E000000 + (PCM_FIFO_A << 2) + PCM_BASE;
cbp->length = 4 * 6; //5us;
cbp->stride = 0;
cbp->next = mem_virt_to_phys(cbp + 1);
cbp++;
for (uint32_t samplecnt = 0; samplecnt < 52; samplecnt++) //52 us
{
sampletab[samplecnt * registerbysample] = (0x5A << 24) + (3 & 0x7) + (1 << 4) + (0 << 3); // Amplitude PAD
//@0
//DATA IN / 1us
cbp->info = 0; //BCM2708_DMA_NO_WIDE_BURSTS | BCM2708_DMA_WAIT_RESP ;
cbp->src = mem_virt_to_phys(&usermem[samplecnt * registerbysample]); //Amp 1
cbp->dst = 0x7E000000 + (PADS_GPIO_0 << 2) + PADS_GPIO;
cbp->length = 4;
cbp->stride = 0;
cbp->next = mem_virt_to_phys(cbp + 1);
cbp++;
// Delay
if (syncwithpwm)
cbp->info = BCM2708_DMA_NO_WIDE_BURSTS | BCM2708_DMA_WAIT_RESP | BCM2708_DMA_D_DREQ | BCM2708_DMA_PER_MAP(DREQ_PWM);
else
cbp->info = BCM2708_DMA_NO_WIDE_BURSTS | BCM2708_DMA_WAIT_RESP | BCM2708_DMA_D_DREQ | BCM2708_DMA_PER_MAP(DREQ_PCM_TX);
cbp->src = mem_virt_to_phys(cbarray); // Data is not important as we use it only to feed the PWM
if (syncwithpwm)
cbp->dst = 0x7E000000 + (PWM_FIFO << 2) + PWM_BASE;
else
cbp->dst = 0x7E000000 + (PCM_FIFO_A << 2) + PCM_BASE;
cbp->length = 4; //1us
cbp->stride = 0;
cbp->next = mem_virt_to_phys(cbp + 1);
cbp++;
}
//FRONT PORSH
//SYNC 2us
cbp->info = 0; //BCM2708_DMA_NO_WIDE_BURSTS | BCM2708_DMA_WAIT_RESP ;
cbp->src = mem_virt_to_phys(&usermem[(buffersize * registerbysample - 2)]); //Amp 1
cbp->dst = 0x7E000000 + (PADS_GPIO_0 << 2) + PADS_GPIO;
cbp->length = 4;
cbp->stride = 0;
cbp->next = mem_virt_to_phys(cbp + 1);
cbp++;
// Delay
if (syncwithpwm)
cbp->info = BCM2708_DMA_NO_WIDE_BURSTS | BCM2708_DMA_WAIT_RESP | BCM2708_DMA_D_DREQ | BCM2708_DMA_PER_MAP(DREQ_PWM);
else
cbp->info = BCM2708_DMA_NO_WIDE_BURSTS | BCM2708_DMA_WAIT_RESP | BCM2708_DMA_D_DREQ | BCM2708_DMA_PER_MAP(DREQ_PCM_TX);
cbp->src = mem_virt_to_phys(cbarray); // Data is not important as we use it only to feed the PWM
if (syncwithpwm)
cbp->dst = 0x7E000000 + (PWM_FIFO << 2) + PWM_BASE;
else
cbp->dst = 0x7E000000 + (PCM_FIFO_A << 2) + PCM_BASE;
cbp->length = 4 * 2; //2us
cbp->stride = 0;
cbp->next = mem_virt_to_phys(cbp + 1);
cbp++;
}
}
cbp--;
cbp->next = mem_virt_to_phys(cbarray); // We loop to the first CB
//fprintf(stderr,"Last cbp : src %x dest %x next %x\n",cbp->src,cbp->dst,cbp->next);
}
void atv::SetTvSample(uint32_t Index, float Amplitude) //-1;1
{
Index = Index % buffersize;
int IntAmplitude = round(abs(Amplitude) * 6.0) + 1; //1 to 7
int IntAmplitudePAD = IntAmplitude;
if (IntAmplitudePAD > 7)
IntAmplitudePAD = 7;
if (IntAmplitudePAD < 0)
IntAmplitudePAD = 0;
//fprintf(stderr,"Amplitude=%f PAD %d\n",Amplitude,IntAmplitudePAD);
sampletab[(Index)*registerbysample] = (0x5A << 24) + (IntAmplitudePAD & 0x7) + (1 << 4) + (0 << 3); // Amplitude PAD
PushSample(Index); // ??
}
void atv::SetTvSamples(float *sample, size_t Size)
{
size_t NbWritten = 0;
int OSGranularity = 100;
long int start_time;
long time_difference = 0;
struct timespec gettime_now;
while (NbWritten < Size)
{
clock_gettime(CLOCK_REALTIME, &gettime_now);
start_time = gettime_now.tv_nsec;
int Available = GetBufferAvailable();
int TimeToSleep = 1e6 * ((int)buffersize * 3 / 4 - Available) / SampleRate - OSGranularity; // Sleep for theorically fill 3/4 of Fifo
if (TimeToSleep > 0)
{
//fprintf(stderr,"buffer size %d Available %d SampleRate %d Sleep %d\n",buffersize,Available,SampleRate,TimeToSleep);
usleep(TimeToSleep);
}
else
{
//fprintf(stderr,"No Sleep %d\n",TimeToSleep);
sched_yield();
}
clock_gettime(CLOCK_REALTIME, &gettime_now);
time_difference = gettime_now.tv_nsec - start_time;
if (time_difference < 0)
time_difference += 1E9;
//fprintf(stderr,"Measure samplerate=%d\n",(int)((GetBufferAvailable()-Available)*1e9/time_difference));
Available = GetBufferAvailable();
int Index = GetUserMemIndex();
int ToWrite = ((int)Size - (int)NbWritten) < Available ? Size - NbWritten : Available;
for (int i = 0; i < ToWrite; i++)
{
SetTvSample(Index + i, sample[NbWritten++]);
}
}
}

25
src/atv.h Normal file
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@ -0,0 +1,25 @@
#ifndef DEF_ATV
#define DEF_ATV
#include "stdint.h"
#include "stdio.h"
#include "dma.h"
#include "gpio.h"
class atv:public bufferdma,public clkgpio,public pwmgpio,public pcmgpio
{
protected:
uint64_t tunefreq;
bool syncwithpwm;
uint32_t Originfsel;
uint32_t SampleRate;
public:
atv(uint64_t TuneFrequency,uint32_t SR,int Channel,uint32_t FifoSize);
~atv();
void SetDmaAlgo();
void SetTvSample(uint32_t Index,float Amplitude);
void SetTvSamples(float *sample,size_t Size);
};
#endif

3
src/librpitx.h
View file

@ -25,4 +25,5 @@ This program is free software: you can redistribute it and/or modify
#include "amdmasync.h"
#include "fskburst.h"
#include "dsp.h"
#include "ookburst.h"
#include "ookburst.h"
#include "atv.h"