#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);
    flip.setBuffer_solid(0);

}


void loop() {
    loopmillis = millis();
    
    static unsigned long last_change=0;
    static bool color=0;

    static uint8_t image=0;
    if (loopmillis-last_change >= 1000*10) 
    {
        /*
        Serial.print("Change to Solid color ="); Serial.println(color);
        
        flip.setBuffer_solid(color);
        color=1-color;
        
        */


        switch (image){
            case 0:
                flip.setBuffer_Image1();
                break;
            case 1:
                flip.setBuffer_Image2();
                break;
            case 2:
                flip.setBuffer_Image3();
                break;
            case 3:
                flip.setBuffer_Image4();
                break;

        }

        image++;
        image%=4;
        


        /*
        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
    UpdateReturn result=flip.updateByColumn(true,false,false); //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);
    }
    
}