STM32驱动TM1616程序加原理图

Posted 2022-12-14

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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