TM1637 STM32F103配置

ID:730478 · 发表于 2020-4-16 13:34

#include "TM1637.h"

uint8_t  dpFlag = 0;//主函数有说明
unsigned char  Data[]={0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7d,0x07,0x7f,0x6f};
unsigned char  DataDp[]={0xbf,0x86,0xdb,0xcf,0xe6,0xed,0xfd,0x87,0xff,0xef};
struct {
char shi;
char ge;
}Hour;

struct {
char shi;
char ge;
}Min;

/*
  *@breif GPIO_INIT
  *@note  no
*/
void SysTick_Delay_Us(unsigned int i)
{
for(;i>0;i--);
}

void GPIO_Config(void)
{
GPIO_InitTypeDef  GPIO_InitStructure;

TM1637_RCC_Cmd(TM_DIO_CLK|TM_CLK_CLK,ENABLE);

GPIO_InitStructure.GPIO_Pin = TM_DIO_PIN | TM_CLK_PIN;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP;//éè???aí?íìê?3?
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;

GPIO_Init(TM_DIO_PORT,&GPIO_InitStructure);

}

/*
时钟线为高时，数据线由高变低
*/
void I2C_Start(void)
{
      CLK_1;
DIO_1;
SysTick_Delay_Us(140);

DIO_0;
SysTick_Delay_Us(140);
CLK_0;
SysTick_Delay_Us(140);
}

/*
*时钟线为高时，数据线由低变高
*/
void I2C_stop(void)
{

CLK_0;
SysTick_Delay_Us(140);
  DIO_0;
SysTick_Delay_Us(140);

  CLK_1;
SysTick_Delay_Us(140);
DIO_1;
SysTick_Delay_Us(140);
}

//写一个比特位
void TM1637_WriteBit(unsigned char mBit)
{
   CLK_0;
   SysTick_Delay_Us(140);

   if(mBit)
   DIO_1;
   else
   DIO_0;

   SysTick_Delay_Us(140);
   CLK_1;
   SysTick_Delay_Us(140);
}

//写一个字节
void TM1637_WriteByte(unsigned char Byte)
{
   char loop = 0;
   for(loop = 0;loop<8;loop++)
   {
         TM1637_WriteBit((Byte>>loop) & 0x01);//先写低位
   }
CLK_0;
SysTick_Delay_Us(140);
      DIO_1;
      SysTick_Delay_Us(140);
      CLK_1;
SysTick_Delay_Us(140);
      while(GPIO_ReadInputDataBit(TM_DIO_PORT ,TM_DIO_PIN) == 0x01);
//等待应答信号
}

/*
*写指令函数
*B7:B6 =01  数据命令控制
*          11地址命令控制
*          10显示命令控制
*/

void TM1637_WriteCommand(unsigned char mData)
{
I2C_Start();
TM1637_WriteByte(mData);
I2C_stop();
}

/*
*@note  写入地址和数据
*/

void TM1637_WriteData(unsigned char addr,unsigned char mData)
{
I2C_Start();
TM1637_WriteByte(addr);
TM1637_WriteByte(mData);
I2C_stop();
}

  /*
控制显示，配置好数据结构体之后，直接调用该函数就可以显示
*/
void Time_Display(void)
{
TM1637_WriteCommand(0x40);

if(dpFlag)
      TM1637_WriteData(0xc1,DataDp[Hour.ge]);

else
      TM1637_WriteData(0xc1,Data[Hour.ge]);

      TM1637_WriteData(0xc0,Data[Hour.shi]);
      TM1637_WriteData(0xc2, Data[Min.shi]);
      //TM1637_WriteData(0xc1, Data[Min.ge]);
      TM1637_WriteData(0xc3, Data[Min.ge]);
      TM1637_WriteCommand(0x8a);
   }

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