lib/int_to_bcd.txt
changeset 40 873a5b60a7ea
parent 39 e08c65e27557
child 41 8998c8b24b60
--- a/lib/int_to_bcd.txt	Wed Jul 11 09:53:27 2007 +0200
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,117 +0,0 @@
-(*
- * (c) 2003 Mario de Sousa
- *
- * Offered to the public under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version 2 of the
- * License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General
- * Public License for more details.
- *
- * This code is made available on the understanding that it will not be
- * used in safety-critical situations without a full and competent review.
- *)
-
-(*
- * An IEC 61131-3 IL and ST compiler.
- *
- * Based on the
- * FINAL DRAFT - IEC 61131-3, 2nd Ed. (2001-12-10)
- *
- *)
-
-(*
- * This is part of the library conatining the functions
- * and function blocks defined in the standard.
- *
- * Conversion to BCD
- * -----------------
- *)
-
-
-
-
-FUNCTION USINT_TO_BCD_BYTE: BYTE
-  VAR_INPUT
-    VALUE : USINT;
-  END_VAR
-
-  USINT_TO_BCD_BYTE := VALUE MOD 10;
-  VALUE := VALUE / 10;
-  USINT_TO_BCD_BYTE := USINT_TO_BCD_BYTE + 16*VALUE;
-  IF VALUE > 9
-  THEN
-    (* The standard is silent on how to handle overflows!! *)
-    (* We simply set it to the highets value!              *)
-    USINT_TO_BCD_BYTE := 16#99;
-  END_IF;
-END_FUNCTION
-
-
-
-
-FUNCTION UINT_TO_BCD_WORD: WORD
-  VAR_INPUT
-    VALUE : UINT;
-  END_VAR
-
-  UINT_TO_BCD_WORD := VALUE MOD 10;
-  VALUE := VALUE / 10;
-  UINT_TO_BCD_WORD := UINT_TO_BCD_WORD + 16*(VALUE MOD 10);
-  VALUE := VALUE / 10;
-  UINT_TO_BCD_WORD := UINT_TO_BCD_WORD + 16*16*(VALUE MOD 10);
-  VALUE := VALUE / 10;
-  UINT_TO_BCD_WORD := UINT_TO_BCD_WORD + 16*16*16*VALUE;
-  IF VALUE > 9
-  THEN
-    (* The standard is silent on how to handle overflows!! *)
-    (* We simply set it to the highets value!              *)
-    UINT_TO_BCD_WORD := 16#9999;
-  END_IF;
-END_FUNCTION
-
-
-
-
-FUNCTION UDINT_TO_BCD_DWORD: DWORD
-  VAR_INPUT
-    VALUE : UINT;
-  END_VAR
-
-  UDINT_TO_BCD_DWORD := VALUE MOD 16;
-  VALUE := VALUE / 10;
-  UDINT_TO_BCD_DWORD := UDINT_TO_BCD_DWORD + 16*(VALUE MOD 10);
-  VALUE := VALUE / 10;
-  UDINT_TO_BCD_DWORD := UDINT_TO_BCD_DWORD + 256*(VALUE MOD 10);
-  VALUE := VALUE / 10;
-  UDINT_TO_BCD_DWORD := UDINT_TO_BCD_DWORD + 16*256*(VALUE MOD 10);
-  VALUE := VALUE / 10;
-  UDINT_TO_BCD_DWORD := UDINT_TO_BCD_DWORD + 256*256*(VALUE MOD 10);
-  VALUE := VALUE / 10;
-  UDINT_TO_BCD_DWORD := UDINT_TO_BCD_DWORD + 16*256*256*(VALUE MOD 10);
-  VALUE := VALUE / 10;
-  UDINT_TO_BCD_DWORD := UDINT_TO_BCD_DWORD + 256*256*256*(VALUE MOD 10);
-  VALUE := VALUE / 10;
-  UDINT_TO_BCD_DWORD := UDINT_TO_BCD_DWORD + 16*256*256*256*VALUE;
-  IF VALUE > 9
-  THEN
-    (* The standard is silent on how to handle overflows!! *)
-    (* We simply set it to the highest value!              *)
-    UDINT_TO_BCD_DWORD := 16#9999_9999;
-  END_IF;
-END_FUNCTION
-
-
-
-
-FUNCTION ULINT_TO_BCD_LWORD: LWORD
-  VAR_INPUT
-    VALUE : UINT;
-  END_VAR
-
-  ULINT_TO_BCD_LWORD := UDINT_TO_BCD_DWORD(VALUE MOD 1_0000_0000);
-  VALUE := VALUE / 1_0000_0000;
-  ULINT_TO_BCD_LWORD := ULINT_TO_BCD_LWORD + 256*256*256*256*UDINT_TO_BCD_DWORD(VALUE);
-END_FUNCTION