# 🚩STM32电子钟万年历时钟闹钟LCD1602仿真设计

(仿真+原理图+PCB+源码+讲解视频)
仿真：protues 8.9
程序编译器：keil 5
编程语言：C语言
编号C0003

资料文件下载链接

🚩基本功能：

题目要求：

1.具有显示年、月、日、时、分、秒功能；

2.能计算并显示星期；

3.能手动调整时间，设置闹钟；

4.具有闹钟功能，时间到声光报警（蜂鸣器嘟嘟嘟，LED灯闪烁）。

1. Proteus8.9 仿真图；
2. C语言源代码，Keil5打开；
3. Altium Designer 原理图 源文件和PDF；
4. Altium Designer PCB 源文件和PDF；
5. 参考报告（论文）。

🚩仿真图：

🚩原理图：

PCB：

🚩程序：

int main(void)
{
	bool i = 0;
  /* Reset of all peripherals, Initializes the Flash interface and the Systick. */
  HAL_Init();
  /* Configure the system clock */
  SystemClock_Config();
	delay_init(10);               		//³õʼ»¯ÑÓʱº¯Êý
  TIM3_Init(2400-1, 72-1); // 10ms
	MX_RTC_Init();	
	
	Key_Init();
	Beep_Init();
	LCD_Init();
	
	sAlrm_g.Alm_Hour = 0;
	sAlrm_g.Alm_Min  = 0;
	sAlrm_g.Alm_Sec  = 10;

  while(1)
  {
		switch(set_mode)
		{
			case 0:
				HAL_RTC_GetDate(&hrtc, &sDate_g, RTC_FORMAT_BIN);
				HAL_RTC_GetTime(&hrtc, &sTime_g, RTC_FORMAT_BIN);				
				Conv_Disp_Data(0);
				LCD_write_string(0, 0, (char*)temp_line_one);
				LCD_write_string(0, 1, (char*)temp_line_two);
			break;
			
			case 1:
				Conv_Disp_Data(i*1);
				i = !i;
				LCD_write_string(0, 0, (char*)temp_line_one);
			break;
			
			case 2:
				Conv_Disp_Data(i*2);
				i = !i;
				LCD_write_string(0, 0, (char*)temp_line_one);
			break;
			
			case 3:
				Conv_Disp_Data(i*3);
				i = !i;
				LCD_write_string(0, 0, (char*)temp_line_one);
			break;
			
			case 4:
				Conv_Disp_Data(i*4);
				i = !i;
				LCD_write_string(0, 0, (char*)temp_line_one);
			break;
			
			case 5:
				Conv_Disp_Data(i*5);
				i = !i;
				LCD_write_string(0, 0, (char*)temp_line_one);
			break;
			
			case 6:
				Conv_Disp_Data(i*6);
				i = !i;
				LCD_write_string(0, 0, (char*)temp_line_one);
			break;
			
			case 7:
				Conv_Disp_Data(i*7);
				i = !i;
				LCD_write_string(0, 1, (char*)temp_line_two);
			break;
			
			case 8:
				Conv_Disp_Data(i*8);
				i = !i;
				LCD_write_string(0, 1, (char*)temp_line_two);
			break;
			
			case 9:
				Conv_Disp_Data(i*9);
				i = !i;
				LCD_write_string(0, 1, (char*)temp_line_two);
			break;
			
			default:				
			break;			
		}
		
		if( (sTime_g.Hours == sAlrm_g.Alm_Hour) && (sTime_g.Minutes == sAlrm_g.Alm_Min) && (sTime_g.Seconds == sAlrm_g.Alm_Sec) )
		{
			for(uint8_t j = 0; j < 10; j++)
			{
				LED2_TOG();
				HAL_Delay(300);
			}
			
		}
		HAL_Delay(100);
  }
}

#include "lcd1602.h"
                             
#define DELAY_2N     0

void lcd_delay_us(unsigned int t)
{
	unsigned int i, j;
	
	for(i = 10; i > 0; i--)
		for(j = t; j > 0; j--);
}

void lcd_delay_ms(unsigned int t)
{	
	unsigned int i;
	
	for(i = t; i > 0; i--)
		lcd_delay_us(10);
}

//==================================================
void LCD_Init(void)
{
		GPIO_InitTypeDef GPIO_Initure;   

		LCD_CTRL_CLK();
		LCD_DATA_CLK();
		
		GPIO_Initure.Pin = LCD_RS_PIN|LCD_RW_PIN|LCD_EN_PIN; 				
		GPIO_Initure.Mode = GPIO_MODE_OUTPUT_PP;  	
		GPIO_Initure.Pull = GPIO_PULLUP;          
		GPIO_Initure.Speed = GPIO_SPEED_FREQ_MEDIUM;   
		HAL_GPIO_Init(LCD_CTRL_PORT, &GPIO_Initure);

		GPIO_Initure.Pin = LCD_DATA0_PIN|LCD_DATA1_PIN|LCD_DATA2_PIN|LCD_DATA3_PIN|LCD_DATA4_PIN|LCD_DATA5_PIN|LCD_DATA6_PIN|LCD_DATA7_PIN; 				
		HAL_GPIO_Init(LCD_DATA_PORT, &GPIO_Initure);
	

    LCD_RW(0);			//读写位直接低电平，只写不读

    /*********************液晶初始化**************************/        
    lcd_delay_us(340); 
		LCD_RS(0);
   
    LCD_write_cmd(0x38);          // 8bit显示模式,2行,5x7字体
    lcd_delay_ms(4);  
    LCD_write_cmd(0x08);         // 显示关闭 
    lcd_delay_ms(4); 
    LCD_write_cmd(0x01);         // 显示清屏 
    lcd_delay_ms(4); 
    LCD_write_cmd(0x06);         // 显示光标移动设置 
    lcd_delay_ms(4);
    LCD_write_cmd(0x0c);         // 显示开，光标开，光标闪烁
    lcd_delay_ms(4);
		LCD_write_cmd(0x01);         //清屏
		lcd_delay_ms(4);
}
/*--------------------------------------------------
函数说明：写命令到液晶


---------------------------------------------------*/
void LCD_write_cmd(unsigned char cmd)
{
    LCD_RS(0);
    LCD_Write_byte(cmd);
    lcd_delay_us(340);
}
/*--------------------------------------------------
函数说明：写数据到液晶


---------------------------------------------------*/
void LCD_write_data(unsigned char w_data)
{
    LCD_RS(1);
    LCD_Write_byte(w_data);
    lcd_delay_us(340);
}
/*--------------------------------------------------
函数说明：写4bit到液晶
--------------------------------------------------*/
void LCD_Write_byte(unsigned char num)
{  
		if (num&0x01)
				data0(1);
		else
				data0(0);

		if (num&0x02)
				data1(1);
		else
				data1(0);

		if (num&0x04)
				data2(1);
		else
				data2(0);

		if (num&0x08)
				data3(1);
		else
				data3(0);

		if (num&0x10)
				data4(1);
		else
				data4(0);

		if (num&0x20)
				data5(1);
		else
				data5(0);

		if (num&0x40)
				data6(1);
		else
				data6(0);
		
		if (num&0x80)
				data7(1);
		else
				data7(0);
		
		lcd_delay_us(340);
    LCD_EN(1);
    lcd_delay_us(340);
    LCD_EN(0); 
    lcd_delay_us(340);
}

/*----------------------------------------------------
LCD_set_xy        : 设置LCD显示的起始位置
输入参数：x、y    : 显示字符串的位置，X:0-15，Y:0-1                
-----------------------------------------------------*/
void LCD_set_xy( unsigned char x, unsigned char y )
{
    unsigned char address = 0;
    if (y==0) 
    {
        address=0x80+x;
    }
    else 
    {
        address=0xc0+x;
    }
//		y ? (address=0xc0+x): (address=0x80+x) ;
    LCD_write_cmd(address);
}
/*---------------------------------------------------
LCD_write_string  : 英文字符串显示函数
输入参数：*s      ：英文字符串指针；
          X、Y    : 显示字符串的位置                
---------------------------------------------------*/
void LCD_write_string(unsigned char X,unsigned char Y, char *s)
{
    LCD_set_xy(X,Y);   
    while (*s != NULL) 
    {
        LCD_write_data(*s);
        s++;
    }
}

//=======================================================
void LCD_wstring(unsigned char X,unsigned char *s)
{
    LCD_write_cmd(X);   
    while (*s) 
    {
        LCD_write_data(*s);
        s++;
    }
}

🚩资料清单&&下载链接：

🚩资料文件下载链接