M5Atom Circle Indicator 16*9

m5atom-circle-indicator.ino

#include "M5Atom.h"

uint8_t counter = 0;
uint8_t line1[] = {2,3,4,9,14,19,24,23,22,21,20,15,10,5,0,1}; // 16
uint8_t line2[] = {7,8,13,18,17,16,11,6}; //8

// ----------------

void display_progress_circle() {
    M5.dis.clear();
    
    uint8_t limit1 = counter & 0xF;
    uint8_t limit2 = (counter & 0xF0) >> 4;
    
    if (limit2 == 9) {
        for(int i=0; i<3; i++) {
            M5.dis.clear();
            delay(100);
            M5.dis.drawpix(12, 0x0000ff);
            delay(100);
        }
        M5.dis.clear();
        counter = 0;
        return;
    }
    
    Serial.print(limit1);
    Serial.print(",");
    Serial.println(limit2);
    for (int i=0; i<limit1+1; i++) {
        M5.dis.drawpix(line1[i], 0x00ff00);
    }
    if ( 0 < limit2) {
        for (int i=0; i<limit2; i++) {
            M5.dis.drawpix(line2[i], 0xff0000);
        }
    }
    counter++;
}

// ----------------

void setup() {
    M5.begin(true, false, true);
    delay(50);
    M5.dis.clear();
}

void loop() {
    M5.update();
    display_progress_circle();
    delay(500);
}