ESPMegaPRO-v3-SDK/Template Project/src/analogdemo.cpp

#include <ESPMegaPRO.h>

void setup()
{
    Serial.begin(115200);
    ESPMega_begin();
}

void loop()
{
    for(int i=0;i<4096;i++) {
        ESPMega_dacWrite(0,i);
        double dac_val_sine = 2047.5*sin(i*2*PI/2047.5)+2047.5;
        ESPMega_dacWrite(1,(int)dac_val_sine);
    }
}