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相关问题

用的是LCM1602液晶显示屏

好的，那么我稍微修改一下代码，以适配 LCM1602 液晶显示屏：

#include "reg52.h"
#define uchar unsigned char
#define uit unsigned int
sbit RS=P2^6;
sbit RW=P2^5;
sbit E=P2^7;

uchar code hanzi[] = {
    0x10,0x10,0x10,0x10,0xFF,0x10,0x10,0x10, /* 南 */
    0x10,0x10,0x10,0x10,0xFF,0x00,0x00,0x00, /* 信 */
    0x40,0x20,0x10,0x08,0x04,0x03,0x00,0x00, /* 大 */
    0x10,0x08,0x04,0x02,0xFF,0x00,0x00,0x00, /* 欢 */
    0x10,0x10,0x10,0x10,0xFF,0x10,0x10,0x10, /* 迎 */
    0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, /* 空格 */
};

void delay(uit ms)
{
    uit i,j;
    for(i=ms;i>0;i--)
    {
        for(j=110;j>0;j--);
    }
}

void w_com(uchar com)
{
    RS=0;
    RW=0;
    E=1;
    P0=com;
    E=0;
    delay(1);
}

void w_dat(uchar dat)
{
    RS=1;
    RW=0;
    E=1;
    P0=dat;
    E=0;
    delay(1);
}

void lcd_ini(void)
{
    delay(15); // 液晶屏上电后需要等待15ms以上
    w_com(0x38);
    delay(5);
    w_com(0x38);
    delay(5);
    w_com(0x38);
    delay(5);
    w_com(0x0c);
    delay(5);
    w_com(0x01);
    delay(5);
    w_com(0x06);
    delay(5);
}

void main(void)
{
    uchar i, j;

    lcd_ini();
    w_com(0x80);

    for(i=0;i<6;i++) // 显示“南信大欢迎你”
    {
        for(j=0;j<8;j++)
        {
            w_dat(hanzi[i*8+j]);
        }
    }

    while(1)
    {
        ;
    }
}

在 LCM1602 液晶显示屏上电后需要等待15ms以上，所以我将延迟时间增加到了15ms。另外，液晶屏的初始化需要连续写入3次0x38，每次之间需要间隔5ms以上。

python lcm

LCM (Least Common Multiple) in Python can be calculated using the following code:

def lcm(a, b):
    """Function to calculate the LCM of two numbers"""
    # Find the greater number among a and b
    max_num = max(a, b)
    
    # Loop until we find the LCM
    while True:
        if max_num % a == 0 and max_num % b == 0:
            lcm = max_num
            break
        max_num += 1
    
    return lcm

# Example usage
num1 = 4
num2 = 6
result = lcm(num1, num2)
print("The LCM of", num1, "and", num2, "is", result)

In this example, the `lcm()` function takes two numbers as input and finds the LCM by iterating from the greater number until it finds a number that is divisible by both input numbers.