#include <Arduino.h>



#include "flipdot.h"
#include "image.h"




Image flip;

unsigned long loopmillis=0;
unsigned long last_update=0;



void setup() {
    flip.init();

    Serial.begin(115200);
}


void loop() {
    loopmillis = millis();
    
    static unsigned long last_change=0;
    static bool color=0;
    if (loopmillis-last_change >= 1000) 
    {
        //Serial.print("Change to Solid color ="); Serial.println(color);
        //flip.setBuffer_solid(color);
        //color=1-color;

        /*
        uint8_t _randomvalue=random(128);
        Serial.print("set buffer random. ");
        Serial.println(_randomvalue);
        flip.setBuffer_random(_randomvalue);
        */

        for (uint8_t _x=0;_x<COLUMNS;_x++) {
            uint8_t _y=(sin( loopmillis/100000.0 + _x/5.0 )/2+0.5)*15+0.5;
            uint16_t _row=pow(2, _y);
            flip.setBufferColumn(_x,_row);
        }
    
        

        last_change=loopmillis;
    }


    UpdateReturn result=flip.updateByColumn(true,true,true); //0=not finished, 1=finished
    if (result == finished) //just finished
    {
        unsigned long duration=millis()-last_change;
        Serial.print("Last Change took "); Serial.print(duration); Serial.println(" ms");
        Serial.print("Update max took "); Serial.print(flip.updateDuration); Serial.println(" ms");
        flip.updateDuration=0; //reset

        //flip.shuffleOrder(1);
    }
    
}