STM32驱动TM1616程序加原理图

一、TM1616原理图

二、驱动程序

#include "led.h"


void led_init(void)
{
    
    
	GPIO_InitTypeDef  GPIO_InitStructure;

	RCC_AHB1PeriphClockCmd(RCC_AHB1Periph_GPIOC|RCC_AHB1Periph_GPIOD|RCC_AHB1Periph_GPIOE, ENABLE);

	GPIO_InitStructure.GPIO_Pin = GPIO_Pin_0;
	GPIO_InitStructure.GPIO_Mode = GPIO_Mode_OUT;
	GPIO_InitStructure.GPIO_OType = GPIO_OType_PP;
	GPIO_InitStructure.GPIO_Speed = GPIO_Speed_100MHz;
	GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_UP;
	GPIO_Init(GPIOC, &GPIO_InitStructure);
	
	GPIO_InitStructure.GPIO_Pin = GPIO_Pin_13;
	GPIO_Init(GPIOD, &GPIO_InitStructure);
	
	GPIO_InitStructure.GPIO_Pin = GPIO_Pin_6;
	GPIO_Init(GPIOE, &GPIO_InitStructure);

	GPIO_SetBits(GPIOC,GPIO_Pin_0);
	GPIO_SetBits(GPIOD,GPIO_Pin_13);
	GPIO_SetBits(GPIOE,GPIO_Pin_6);
}
 
void led_delay(u8 i)
{
    
    
	while(i>0)
		i--;
}

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_delay(2);
		led_clk=1;
	}
}

void led_show_data(u8 *showData)
{
    
    
	led_stb=0;
	led_delay(2);
	led_write_data(0x00);				//设置数据命令
	led_stb=1;
	led_delay(2);
	led_stb=0;
	led_delay(2);
	led_write_data(0x40);				//设置数据命令
	led_stb=1;
	led_delay(2);
	led_stb=0;
	led_delay(2);
	led_write_data(0xc0);				//设置显示地址
	

	led_write_data(showData[0]);		//设置显示数据
	led_write_data(0X00);		//设置显示数据
	led_write_data(showData[1]);		//设置显示数据
	led_write_data(0X00);		//设置显示数据
	led_write_data(showData[2]);		//设置显示数据
	led_write_data(0X00);		//设置显示数据
	led_write_data(showData[3]);		//设置显示数据
	
	led_stb=1;
	led_delay(2);
	led_stb=0;
	led_delay(2);
	led_write_data(LED_ON|LED_BRIGHTNESS_3);		//设置显示控制命令
	led_stb=1;
	led_delay(2);
}

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