#include #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(); kennlinieZweiterQuadrant(); // speichern und plotty starten pf.writeToFile("test_plot"); int code = system("./plotty --in test_plot"); if(code) std::cout << "Fehler beim plotty Aufruf" << std::endl; std::cout << "Schluss." << std::endl; }