/*
 * @name: test2.c
 * @author: msksbr
 * @date: 2025-05-24
 * @description: a test for homework7's homework tests
 * @version: 1.0
 * homework zh_CN: 点阵显示心形图形
 * homework EN: display a heart shape on the led matrix
 */

#include "homework7.h"

void test2()
{
    unsigned char i; // @var i: a counter for the loop
    unsigned char code heart[] = {
        0x00, 0x66, 0xFF, 0xFF,
        0xFF, 0x7E, 0x3C, 0x18};
    // @subsection: display a heart shape on the led matrix
    while (1) // @loop: display the heart shape on the led matrix
    {
        for (i = 8; i > 0; i--) // @loop: display the heart shape on the led matrix
        {
            switch_138(i); // switch the 74HC138's address to i
            P2 = ~heart[i]; // display the heart shape on the led matrix
            delay_ms(1);
            P2 = 0xFF; // turn off the led matrix
        }
        i = 8;
    }
}

void main()
{
    test2();
}