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/*********************************************************************
********************************************************************/
#include <TM1638_drive.h>
//共陰數碼管段碼
unsigned char code Num_tab[]={0x3F,0x06,0x5B,0x4F,0x66,0x6D,0x7D,0x07,
0x7F,0x6F,0x77,0x7C,0x39,0x5E,0x79,0x71};
//TM1638低8段位碼【SEG1-SEG8】
unsigned char code WeiL_tab[]={0xce,0xcc,0xca,0xc8,0xc6,0xc4,0xc2,0xc0};
//TM1638高2段位碼【SEG9-SEG10】
unsigned char code WeiH_tab[]={0xcf,0xcd,0xcb,0xc9,0xc7,0xc5,0xc3,0xc1};
void TM1638_W_DATA(unsigned char DATA) //寫數據函數
{
unsigned char i;
for(i=0;i<8;i++)
{
CLK=0;
if(DATA&0X01)
DIO=1;
else
DIO=0;
DATA>>=1;
CLK=1;
}
}
void TM1638_W_CMD(unsigned char cmd) //寫命令函數
{
STB=0;
TM1638_W_DATA(cmd);
STB=1;
}
void Write_DATA(unsigned char add,unsigned char DATA) //指定地址寫入數據
{
TM1638_W_CMD(0x44);
STB=0;
TM1638_W_DATA(add);
TM1638_W_DATA(DATA);
STB=1;
}
unsigned char TM1638_Read(void) //讀數據函數
{
unsigned char i;
unsigned char temp=0;
DIO=1; //設置為輸入
for(i=0;i<8;i++)
{
temp>>=1;
CLK=0;
CLK=1; //CLK上升沿讀數據才有效
if(DIO)
temp|=0x80;
}
return temp;
}
unsigned char Read_Onekey(void) //讀一下按鍵值，不支持組合鍵
{
unsigned char key_val[4],i,key=0;
STB=0;
TM1638_W_DATA(0x42); //讀鍵掃數據命令注意：這里要先讀完4字節鍵值才能將STB置1，否則讀鍵值無效
for(i=0;i<4;i++)
key_val[i]=TM1638_Read();
STB=1; //4個字節數據合成一個字節
if(key_val[0]!=0) //按鍵在KS1或KS2
{
switch(key_val[0])
{
case 1:
key=K3S1;
break;
case 2:
key=K2S1;
break;
case 4:
key=K1S1;
break;
case 16:
key=K3S2;
break;
case 32:
key=K2S2;
break;
case 64:
key=K1S2;
break;
}
}
else if(key_val[1]!=0) //按鍵在KS3或KS4
{
switch(key_val[1])
{
case 1:
key=K3S3;
break;
case 2:
key=K2S3;
break;
case 4:
key=K1S3;
break;
case 16:
key=K3S4;
break;
case 32:
key=K2S4;
break;
case 64:
key=K1S4;
break;
}
}
else if(key_val[2]!=0) //按鍵在KS5或KS6
{
switch(key_val[2])
{
case 1:
key=K3S5;
break;
case 2:
key=K2S5;
break;
case 4:
key=K1S5;
break;
case 16:
key=K3S6;
break;
case 32:
key=K2S6;
break;
case 64:
key=K1S6;
break;
}
}
else if(key_val[3]!=0) //按鍵在KS7或KS8
{
switch(key_val[3])
{
case 1:
key=K3S7;
break;
case 2:
key=K2S7;
break;
case 4:
key=K1S7;
break;
case 16:
key=K3S8;
break;
case 32:
key=K2S8;
break;
case 64:
key=K1S8;
break;
}
}
return key;
}
void WriteSEG9_LED(unsigned char sta) //控制全部LED函數，LED_flag表示各個LED狀態
{
unsigned char i;
for(i=0;i<8;i++)
{
if(sta&(1<<i))
Write_DATA(WeiH_tab[i],1);
else
Write_DATA(WeiH_tab[i],0);
}
}
void WriteSEG10_LED(unsigned char sta) //控制全部LED函數，LED_flag表示各個LED狀態
{
unsigned char i;
for(i=0;i<8;i++)
{
if(sta&(1<<i))
Write_DATA(WeiH_tab[i],2);
else
Write_DATA(WeiH_tab[i],0);
}
}
void Write_LED(unsigned char sta9,unsigned char sta10) //控制全部LED函數，LED_flag表示各個LED狀態
{
// 0b 1 0 0 0 0 0 0 0
// 0b 0 1 1 0 0 0 0 0
Write_DATA(WeiH_tab[7],((sta10&0x80)>>6)|((sta9&0x80)>>7));
Write_DATA(WeiH_tab[6],((sta10&0x40)>>5)|((sta9&0x40)>>6));
Write_DATA(WeiH_tab[5],((sta10&0x20)>>4)|((sta9&0x20)>>5));
Write_DATA(WeiH_tab[4],((sta10&0x10)>>3)|((sta9&0x10)>>4));
Write_DATA(WeiH_tab[3],((sta10&0x08)>>2)|((sta9&0x08)>>3));
Write_DATA(WeiH_tab[2],((sta10&0x04)>>1)|((sta9&0x04)>>2));
Write_DATA(WeiH_tab[1],(sta10&0x02)|((sta9&0x02)>>1));
Write_DATA(WeiH_tab[0],((sta10&0x01)<<1)|(sta9&0x01));
}
//TM1638初始化函數
void init_TM1638(void)
{
unsigned char i;
TM1638_W_CMD(0x89); //亮度 (0x88-0x8f)8級亮度可調
TM1638_W_CMD(0x40); //采用地址自動加1
STB=0; //
TM1638_W_DATA(0xc0); //設置起始地址
for(i=0;i<16;i++) //傳送16個字節的數據
TM1638_W_DATA(0x00);
STB=1;
}

復制代碼

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