STM32驱动TM1639点亮数码管和LED，原理图、PCB

一、原理图

二、程序代码

#include "led.h"
#include "delay.h"

void led_init(void)
{
    
    
	GPIO_InitTypeDef  GPIO_InitStructure;

	RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOA|RCC_APB2Periph_AFIO, ENABLE);	 //使能PB,PE端口时钟

	GPIO_PinRemapConfig(GPIO_Remap_SWJ_JTAGDisable, ENABLE); 
	
	GPIO_InitStructure.GPIO_Pin = GPIO_Pin_0|GPIO_Pin_4|GPIO_Pin_5;				 
	GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP; 		 
	GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;		 
	GPIO_Init(GPIOA, &GPIO_InitStructure);					
	GPIO_SetBits(GPIOA,GPIO_Pin_0|GPIO_Pin_4|GPIO_Pin_5);	
}
 

void led_write_data(u8 data)
{
    
    
	u8 i;
	for(i=0;i<8;i++)
	{
    
    
		led_clk=0;
		if(data&0x01)
			led_dio=1;
		else
			led_dio=0;
		data>>=1;
		led_clk=1;
	}
}

void led_show_data(u8 *showData,u8 length)
{
    
    
	u8 i;
	led_stb=0;
	led_write_data(0x40);				//设置数据命令
	led_stb=1;
	led_stb=0;
	led_write_data(0xc0);				//设置显示地址
	
	for(i=0;i<length;i++)
		led_write_data(showData[i]);		//设置显示数据

	
	led_stb=1;
	led_stb=0;
	led_write_data(LED_ON|LED_BRIGHTNESS_3);		//设置显示控制命令
	led_stb=1;
}

int main(void)
{
    
    	
	u8 ledData[16];
	delay_init();	
	led_init();	
	
	while(1)
	{
    
    	
		ledData[0]=0xff;
		ledData[1]=0xff;
		ledData[2]=0xff;
		ledData[3]=0xff;
		ledData[4]=0xff;
		ledData[5]=0xff;
		ledData[6]=0xff;
		ledData[7]=0xff;
		ledData[8]=0xff;
		ledData[9]=0xff;
		ledData[10]=0xff;
		ledData[11]=0xff;
		ledData[12]=0xff;
		ledData[13]=0xff;
		ledData[14]=0xff;
		ledData[15]=0xff;
		
		led_show_data(ledData,sizeof(ledData));
		delay_ms(1000);
		ledData[0]=0x00;
		ledData[1]=0x00;
		ledData[2]=0x00;
		ledData[3]=0x00;
		ledData[4]=0x00;
		ledData[5]=0x00;
		ledData[6]=0x00;
		ledData[7]=0x00;
		ledData[8]=0x00;
		ledData[9]=0x00;
		ledData[10]=0x00;
		ledData[11]=0x00;
		ledData[12]=0x00;
		ledData[13]=0x00;
		ledData[14]=0x00;
		ledData[15]=0x00;
		
		led_show_data(ledData,sizeof(ledData));
		delay_ms(1000);	

	}
}

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