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A numeric expression must appear here

 
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Wing
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A numeric expression must appear here
PostPosted: Wed Jan 13, 2010 6:56 pm     Reply with quote
Code:
  if(read_usb() == checksum)//if checksums match
   {
      delay_us(100);
      if(input(RXF)==0)//if more data in FIFO
      {
         delay_ms(5);//still have data in the FIFO but not exceed 100 bytes, read out. Or error!
                        while(input(RXF)==0)//clear the FIFO
                        for(count_bytes=0; count_bytes++; count_bytes=60000)
                        {
                                   if(count_bytes<=100);
                                    {
                                      send(0x66);//no error
                                      delay_us(100);
                                      packet_ready=1;
                                    }
                                    else %%%[color=red]A numeric expression must appear here  [/color]                                      {
                                             delay_ms(5);
                                             read_usb();
                                         }
                                     send(0xEE);//error!
                                     packet_ready=0;
                                   
                         }

                       
         
      }
       else
      {
         send(0x55);//no error
         delay_us(100);
         packet_ready=1;
      }
   }
   else//checksum failed
   {
      send(0xaa);//error!
      packet_ready=0;
   }

   strobe_SND();//send now
}


I have a problem with 'A numeric expression must appear here'. I checked the previous topics, there were no similar problem as mine.
I want to output many commands at once. So I revise the original c source code and add some lines. I was wondering if there are someone who can help me with that.
Thank you!
dyeatman



Joined: 06 Sep 2003
Posts: 1933
Location: Norman, OK

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PostPosted: Wed Jan 13, 2010 7:35 pm     Reply with quote
Do you notice what is at the end of the first line below that shouldn't be there?

Code:
if (count_bytes<=100);
           {
              send(0x66);//no error
              delay_us(100);
              packet_ready=1;
            }

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Wing
Guest
PostPosted: Thu Jan 14, 2010 11:55 am     Reply with quote
Thank you, dyeatman. I revised it and it suceeded!
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