render()

void AppScope::render ( )

inlineprotectedvirtual

render loop

Reimplemented from AppBaseClass.

Definition at line 30 of file appScope.h.

                 {
        
        uint16_t y_last_scope;
        uint16_t y_last_scope_ch2;
 
        y_last_scope=h/2;
        y_last_scope_ch2=h/2;
       
        scale = 30000.0 / ((float)scope->getPeakValue() + 0.0001);
        if (scale > 10.0) scale = 10.0;
        am->data->update("OSCOPE_SCALE",scale);
        if (has_pop) draw->fillRoundRect(x,y,w,h,3,CL(0,0,0));
        for (int16_t i=0;i<w;i++){
            int16_t v;
            float f;
            uint16_t ch1,ch2;
            v = scope->read(0,i) * scale;
            f = ((v * 0.000030517578125) + 1.0) * 0.5; // 1/32768 = 0.000030517578125 
            ch1 = y + (uint16_t)(f * h);
            if (i > 0) draw->drawLine(x + i-1,y_last_scope,x + i,ch1,ILI9341_ORANGE);
            //draw the second channel
            v = scope->read(1,i) * scale;
            f = ((v * 0.000030517578125) + 1.0) * 0.5;
            ch2 = y + (uint16_t)(f * h);
            if (i > 0) draw->drawLine(x + i-1,y_last_scope_ch2,x + i,ch2,ILI9341_GREEN);
            //draw x-y plot
            if (i > 0) draw->drawLine(y_last_scope_ch2,y_last_scope,ch2,ch1,ILI9341_GREENYELLOW);
            y_last_scope = ch1; 
            y_last_scope_ch2 = ch2;
        }
 
        if (w>120 && h>60){
            draw->setCursor(x+w - 100,y+5);
            draw->print("scale: ");
            draw->print(scale);
            draw->setCursor(x+w - 100,y+20);
            draw->print("hdiv: ");
            draw->print(scope->getHDiv());   
        } 
        draw->drawRoundRect(x,y,w,h,4,ILI9341_MAGENTA);
    };    //called only when the app is active

References AppBaseClass::am, AppManager::data, AppBaseClass::draw, erisAudioAnalyzeScope::getHDiv(), erisAudioAnalyzeScope::getPeakValue(), AppBaseClass::h, AppBaseClass::has_pop, erisAudioAnalyzeScope::read(), scale, scope, SvcDataDictionary::update(), AppBaseClass::w, AppBaseClass::x, and AppBaseClass::y.

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