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Kennlinien funktionieren grob

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This commit is contained in:
Tristan Krause 2019-03-28 11:11:19 +01:00
parent e857b9a32e
commit dd58ec7fed
10 changed files with 134 additions and 38 deletions
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2
Makefile
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@ -14,7 +14,7 @@ OBJECTS = main.o drv/b15f.o drv/plottyfile.o drv/dot.o
COMPILE = $(COMPILER_PATH) $(CFLAGS)
B15F: $(OBJECTS)
B15F: clean $(OBJECTS)
@echo "Linking..."
$(COMPILE) $(OBJECTS) -o $(OUTPUT) $(LDFLAGS)

2
drv/b15f.cpp
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@ -282,6 +282,8 @@ bool B15F::analogEingabeSequenz(uint8_t channel_a, uint16_t* buffer_a, uint32_t
{
buffer_a[offset_a + i] = readInt();
buffer_b[offset_b + i] = readInt();
if(buffer_a[offset_a + i] > 1023 || buffer_b[offset_b + i] > 1023)
std::cout << "schlechte Werte gefunden" << std::endl;
//std::cout << "(" << i << ") " << buffer_a[offset_a + i] << " \t| " << buffer_b[offset_b + i] << std::endl;
}

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drv/b15f.o
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2
drv/plottyfile.cpp
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@ -17,6 +17,8 @@ void PlottyFile::setFunctionType(FunctionType function_type)
void PlottyFile::setQuadrant(uint8_t quadrant)
{
if(quadrant < 1 || quadrant > 4)
throw std::range_error("Ungueltiger Quadrant");
this->quadrant = quadrant;
}

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drv/plottyfile.o
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34
gnuplotscript.gp
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@ -2,13 +2,33 @@ set margin 10,10
unset key
set grid
set title ''
set xlabel 'Zeit [t]'
set ylabel 'Spannung [V]'
set xrange [0:1023]
set yrange [0:1023]
set label at 1022,1022 '1' left
set label at 1022,511 '2' left
set xlabel 'U_{GS} [V]'
set ylabel 'I_D [mA]'
set xrange [5:0]
set x2range [5:0]
set y2range [0:50]
set yrange [0:50]
set label at 2,33 'U_{DS} [V] = 300' right
set label at 2,30 'U_{DS} [V] = 325' right
set label at 2,33 'U_{DS} [V] = 350' right
set label at 2,35 'U_{DS} [V] = 375' right
set label at 2,21 'U_{DS} [V] = 400' right
set label at 2,21 'U_{DS} [V] = 425' right
set label at 2,22 'U_{DS} [V] = 450' right
set label at 2,22 'U_{DS} [V] = 475' right
set label at 2,22 'U_{DS} [V] = 500' right
set label at 2,5 'U_{DS} [V] = 525' right
set label at 2,11 'U_{DS} [V] = 550' right
set label at 2,11 'U_{DS} [V] = 575' right
set label at 2,11 'U_{DS} [V] = 600' right
set label at 2,11 'U_{DS} [V] = 625' right
set label at 2,4 'U_{DS} [V] = 650' right
set label at 2,4 'U_{DS} [V] = 650' right
set label at 2,4 'U_{DS} [V] = 700' right
set y2tics
unset ytics
set ytics format ''
unset output
set terminal qt
unset output
plot "/tmp/tempfile0" using ($1*1.000000):($2*1.000000) binary format="%int16%int16" endian=big title ' [] = 1' w l,"/tmp/tempfile1" using ($1*1.000000):($2*1.000000) binary format="%int16%int16" endian=big title ' [] = 2' w l
plot "/tmp/tempfile1" using ($1*0.004888):($2*0.048876) binary format="%int16%int16" endian=big title 'U_{DS} [V] = 300' w l,"/tmp/tempfile2" using ($1*0.004888):($2*0.048876) binary format="%int16%int16" endian=big title 'U_{DS} [V] = 325' w l,"/tmp/tempfile3" using ($1*0.004888):($2*0.048876) binary format="%int16%int16" endian=big title 'U_{DS} [V] = 350' w l,"/tmp/tempfile4" using ($1*0.004888):($2*0.048876) binary format="%int16%int16" endian=big title 'U_{DS} [V] = 375' w l,"/tmp/tempfile5" using ($1*0.004888):($2*0.048876) binary format="%int16%int16" endian=big title 'U_{DS} [V] = 400' w l,"/tmp/tempfile6" using ($1*0.004888):($2*0.048876) binary format="%int16%int16" endian=big title 'U_{DS} [V] = 425' w l,"/tmp/tempfile7" using ($1*0.004888):($2*0.048876) binary format="%int16%int16" endian=big title 'U_{DS} [V] = 450' w l,"/tmp/tempfile8" using ($1*0.004888):($2*0.048876) binary format="%int16%int16" endian=big title 'U_{DS} [V] = 475' w l,"/tmp/tempfile9" using ($1*0.004888):($2*0.048876) binary format="%int16%int16" endian=big title 'U_{DS} [V] = 500' w l,"/tmp/tempfile10" using ($1*0.004888):($2*0.048876) binary format="%int16%int16" endian=big title 'U_{DS} [V] = 525' w l,"/tmp/tempfile11" using ($1*0.004888):($2*0.048876) binary format="%int16%int16" endian=big title 'U_{DS} [V] = 550' w l,"/tmp/tempfile12" using ($1*0.004888):($2*0.048876) binary format="%int16%int16" endian=big title 'U_{DS} [V] = 575' w l,"/tmp/tempfile13" using ($1*0.004888):($2*0.048876) binary format="%int16%int16" endian=big title 'U_{DS} [V] = 600' w l,"/tmp/tempfile14" using ($1*0.004888):($2*0.048876) binary format="%int16%int16" endian=big title 'U_{DS} [V] = 625' w l,"/tmp/tempfile15" using ($1*0.004888):($2*0.048876) binary format="%int16%int16" endian=big title 'U_{DS} [V] = 650' w l,"/tmp/tempfile16" using ($1*0.004888):($2*0.048876) binary format="%int16%int16" endian=big title 'U_{DS} [V] = 675' w l,"/tmp/tempfile17" using ($1*0.004888):($2*0.048876) binary format="%int16%int16" endian=big title 'U_{DS} [V] = 700' w l

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main
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132
main.cpp
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@ -2,44 +2,116 @@
#include "drv/b15f.h"
#include "drv/plottyfile.h"
PlottyFile pf;
void kennlinieErsterQuadrant()
{
B15F& drv = B15F::getInstance();
uint16_t ba[1024];
uint16_t bb[1024];
const uint16_t sample_count = 100;
const uint16_t delta = 10;
const uint16_t u_gs_start = 440;
const uint16_t u_gs_delta = 20;
const uint16_t u_gs_end = 600;
pf.setUnitX("V");
pf.setUnitY("mA");
pf.setUnitPara("V");
pf.setDescX("U_{DS}");
pf.setDescY("I_D");
pf.setDescPara("U_{GS}");
pf.setRefX(5);
pf.setRefY(50);
pf.setParaFirstCurve(u_gs_start);
pf.setParaStepWidth(u_gs_delta);
uint8_t curve = 0;
for(uint16_t u_gs = u_gs_start; u_gs <= u_gs_end; u_gs += u_gs_delta)
{
drv.analogeAusgabe1(u_gs);
drv.analogEingabeSequenz(0, &ba[0], 0, 1, &bb[0], 0, 0, delta, sample_count);
drv.delay(10);
drv.discard();
drv.delay(10);
for(uint16_t k = 0; k < sample_count+1; k++)
{
uint16_t i_d = ba[k] - bb[k];
uint16_t u_ds = bb[k];
pf.addDot(Dot(u_ds, i_d, curve));
}
curve++;
}
}
void kennlinieZweiterQuadrant()
{
B15F& drv = B15F::getInstance();
uint16_t ba[1024];
uint16_t bb[1024];
const uint16_t sample_count = 1000;
const uint16_t delta = 1;
const uint16_t u_gs_start = 300;
const uint16_t u_gs_delta = 25;
const uint16_t u_gs_end = 700;
pf.setQuadrant(2);
pf.setUnitX("V");
pf.setUnitY("mA");
pf.setUnitPara("V");
pf.setDescX("U_{GS}");
pf.setDescY("I_D");
pf.setDescPara("U_{DS}");
pf.setRefX(5);
pf.setRefY(50);
pf.setParaFirstCurve(u_gs_start);
pf.setParaStepWidth(u_gs_delta);
uint8_t curve = 0;
for(uint16_t u_gs = u_gs_start; u_gs <= u_gs_end; u_gs += u_gs_delta)
{
drv.analogeAusgabe1(u_gs);
drv.analogEingabeSequenz(0, &ba[0], 0, 1, &bb[0], 0, 0, delta, sample_count);
drv.delay(10);
drv.discard();
drv.delay(10);
curve = 0;
for(uint16_t k = 0; k < sample_count + 1; k++)
{
if(ba[k] > bb[k] && bb[k] % 50 == 0 && bb[k] > 0)
{
uint16_t i_d = ba[k] - bb[k];
pf.addDot(Dot(u_gs, i_d, bb[k] / 50));
}
curve++;
}
std::cout << "u_gs: " << u_gs << std::endl;
}
}
int main()
{
B15F& drv = B15F::getInstance();
drv.init();
/*
while(1)
{
for(uint16_t i = 0; i < 1024; i++)
{
drv.analogeAusgabe0(drv.analogeEingabe(5));
//drv.delay(10);
//drv.digitaleAusgabe0(drv.digitaleEingabe0());
}
}*/
uint16_t ba[1024];
uint16_t bb[1024];
drv.analogEingabeSequenz(1, &ba[0], 0, 0, &bb[0], 0, 1023, -1, 1023);
PlottyFile pf;
pf.setUnitX("t");
pf.setUnitY("V");
pf.setDescX("Zeit");
pf.setDescY("Spannung");
for(uint16_t i = 0; i < 1023; i++)
{
pf.addDot(Dot(i,i, 0));
pf.addDot(Dot(i,i/2, 1));
}
pf.writeToFile("test_plot");
kennlinieZweiterQuadrant();
// speichern und plotty starten
pf.writeToFile("test_plot");
int code = system("./plotty --in test_plot");
if(code)
{
std::cout << "plotty konnte nicht gestarted werden" << std::endl;
}
std::cout << "Fehler beim plotty Aufruf" << std::endl;
std::cout << "Schluss." << std::endl;
}

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main.o
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test_plot
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