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#include "TM1640.h"
/*void delay_ms(int ms) //@11.0592MHz
{
unsigned char i, j;
do{
_nop_();
i = 2;
j = 199;
do
{
while (--j);
} while (--i);
}while(--ms);
} */
void TM1640_Start(void)
{
TM1640_SCK_HIGH;
TM1640_DOUT_HIGH;
//delay_us(10);
TM1640_DOUT_LOW;
//delay_us(10);
TM1640_SCK_LOW;
//delay_us(10);
}
void TM1640_Stop(void)
{
TM1640_DOUT_LOW;
TM1640_SCK_HIGH;
//delay_us(10);
TM1640_DOUT_HIGH;
//delay_us(10);
}
void TM1640_Write_Byte(unsigned char date)
{
unsigned char i;
unsigned char Temp;
Temp=date;
TM1640_SCK_LOW;
TM1640_DOUT_LOW;
for(i=0;i<8;i++)
{
TM1640_SCK_LOW;
//delay_us(2);
if(Temp&0x01)
{
TM1640_DOUT_HIGH;
//delay_us(10);
}
else
{
TM1640_DOUT_LOW;
//delay_us(10);
}
TM1640_SCK_HIGH;
//delay_us(1);
Temp = Temp >> 1;
}
TM1640_SCK_LOW;
TM1640_DOUT_LOW;
}
void Write_Com(unsigned char date)//發送命令字
{
TM1640_Start();
TM1640_Write_Byte(date);
TM1640_Stop();
}
/*void Write_DATA(unsigned char add,unsigned char DATA) //指定地址寫入數據
{
Write_Com(0x44); //44固定地址 40連續地址
TM1640_Start();
TM1640_Write_Byte(0xc0|add);
TM1640_Write_Byte(DATA);
TM1640_Stop();
}*/
void Write_DATA(unsigned char DATA0 ,unsigned char DATA1,unsigned char DATA2,unsigned char DATA3,unsigned char DATA4,unsigned char DATA5,unsigned char DATA6) //指定地址寫入數據
{
Write_Com(0x44); //44固定地址 40連續地址
TM1640_Start();
TM1640_Write_Byte(0xc0);
TM1640_Write_Byte(DATA0);
TM1640_Stop();
TM1640_Start();
TM1640_Write_Byte(0xc1);
TM1640_Write_Byte(DATA1);
TM1640_Stop();
TM1640_Start();
TM1640_Write_Byte(0xc2);
TM1640_Write_Byte(DATA2);
TM1640_Stop();
TM1640_Start();
TM1640_Write_Byte(0xc3);
TM1640_Write_Byte(DATA3);
TM1640_Stop();
TM1640_Start();
TM1640_Write_Byte(0xc4);
TM1640_Write_Byte(DATA4);
TM1640_Stop();
TM1640_Start();
TM1640_Write_Byte(0xc5);
TM1640_Write_Byte(DATA5);
TM1640_Stop();
TM1640_Start();
TM1640_Write_Byte(0xc6);
TM1640_Write_Byte(DATA6);
TM1640_Stop();
}
void cls_TM1640(void)//清屏函數
{
unsigned char i;
Write_Com(0x44);//連續地址模式
TM1640_Start();
TM1640_Write_Byte(0xc0);
for(i=0;i<16;i++)
TM1640_Write_Byte(0x00);
TM1640_Stop();
}
void init_TM1640(void)
{
cls_TM1640();
//Write_Com(0x8c);//亮度0x88~0x8F 已放主程序里面調節
}

復制代碼

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