阅读数：363

      uint8 len = 0;
      len=Float2Char(arp_count_xishu,b);
      USART0_send_n(b,len);

#define uint8 unsigned char
#define uint32 unsigned int
/************************************************************************/
/* 函数名：Float2Char            */
/* 功能：执行Float转换成char            */
/*参数：value: Float值  array：char数组           */
/*返回值：数组长度               */
/************************************************************************/
unsigned char Float2Char(float value, unsigned char *array){
 uint8 IntegerPart;
 float DecimalPart;
 uint8 i = 0;
 uint8 j = 0;
 char temp;
 //分离整数和小数
 if(value >= 1) {
  IntegerPart = (uint8)value;
  DecimalPart = value - IntegerPart;
 }
 else {
  IntegerPart = 0;
  DecimalPart = value - IntegerPart;
 }
 if(IntegerPart==0){
  array[0]='0';
  array[1]='.';
  i=1;
  }else{
  while(IntegerPart>0){
   array[i]=IntegerPart%10+'0';
   IntegerPart/=10;
   i++;
  }
  i--;
  //fix the result
  for(j=0;j   temp=array[j];
   array[j]=array[i-j];
   array[i-j]=temp;
  }
  i++;
  array[i] = '.';
 }
 //convert the Decimalpart
 i++;
 array[i++] = (uint32)(DecimalPart * 10)%10 + '0';
 array[i++] = (uint32)(DecimalPart * 100)%10 + '0';
 array[i++] = (uint32)(DecimalPart * 1000)%10 + '0';
 array[i++] = (uint32)(DecimalPart * 10000)%10 + '0';
 array[i]   = '\0';
 return i;
}