Just can't figure out what is wrong with this code...snippit

Comments

• PJAllen Banned Posts: 5,065

  2006-06-25 00:41 edited 2006-06-25 00:41

  ' {$STAMP BS2}
  ' {$PBASIC 2.5}
   
  gallons_of_water VAR Byte
  average_error_of_sensor VAR Byte
   
      SELECT gallons_of_water
        CASE > 7, <= 49
          average_error_of_sensor = 17
        CASE > 49, <= 109
          average_error_of_sensor = 31
        CASE > 109, <=186
          average_error_of_sensor = 21
        CASE > 186, <= 255
          average_error_of_sensor = 11
      ENDSELECT
  
• willthiswork89 Posts: 359

  2006-06-25 01:37 edited 2006-06-25 01:37

  there he fixed it or you could do
  
  case > 7 and CASE <= 49
  
  you have to supply another variable because the AND thinks your comparing more then one variable at a time.
• KatyBri Posts: 171

  2006-06-25 01:42 edited 2006-06-25 01:42

  After reading this thread, I have a question.
  
  The help section in the STAMP IDE V2.1 shows AND as an acceptable Conditional Logic Operator. Why can't it be used? Is the table in the IDE help in error?
• willthiswork89 Posts: 359

  2006-06-25 03:23 edited 2006-06-25 03:23

  and i suppose would be considered a logic operator because in order for the If to be true both conditions must be true. so it is considered a logical operator because it helps with distinguishing things that need two variables true or the entire statement if false and wont be executed. correct me if im wrong!
• SSteve Posts: 808

  2006-06-26 20:28 edited 2006-06-26 20:28

  Use the "TO" operator for ranges. Also, once you get to the second CASE, you don't need to test for conditions that were true in an earlier CASE. This will work:
  

  SELECT gallons_of_water
      CASE 8 TO 49
          average_error_of_sensor = 17
      CASE <= 109
          average_error_of_sensor = 31
      CASE <=186
          average_error_of_sensor = 21
      CASE <= 255
          average_error_of_sensor = 11
  ENDSELECT
  

  
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