程序（附） - tlc549中文资料汇总_tlc549引脚图及功能_工作原理_特性参数及典型应用电路程序

unsigned char TLC549_GetValue(void)
{
unsigned char ConvertValue;
TLC549_CS=0;  //打开片选
ConvertValue=TLC549_ReadByte(); //读取转换后的8位AD值
TLC549_CS=1;  //关闭片选
delayus(50);   //等待转换结束 最长17us
    return ConvertValue; //返回转换结果
}
unsigned char TLC549_Filter() //滤波函数
{
char count,i,j;
unsigned char value_buf[N],temp;
int sum=0;
for (count=0;count {
value_buf[count] = TLC549_GetValue();
delayus(300);
}
for (j=0;j {
for (i=0;i {
    if ( value_buf[j]>value_buf[i+j] )
    {
temp = value_buf[j];
value_buf[j] = value_buf[i+j];
value_buf[i+j] = temp;
    }
}
}
for(count=1;count sum += value_buf[count];
return (unsigned char)(sum/(N-2)); 
       }
unsigned char AD_Convert(void)
{
unsigned char AD_Value;
AD_Value=TLC549_Filter();
return AD_Value;
}/*
unsigned char TLC549_Filter(void)
{
unsigned int sum=0;
for(count=0;count { //连续采8个数据，相加，放到sum中
sum+=TLC549_GetValue();
delayus(300);
}
return (unsigned char)(sum>>3);//求平均值，左移三位相当于除以8
}    */