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From: Frank Kardel <Frank.Kardel@informatik.uni-erlangen.de>
Message-Id: <199403101910.AA03872@faui43.informatik.uni-erlangen.de>
Subject: RAW dcf77 showstopper 8-(.
To: mills@udel.edu
Date: Thu, 10 Mar 94 20:10:25 MET
Cc: dpk@morgan.com, Frank.Kardel@informatik.uni-erlangen.de, 
    Piete.Brooks@cl.cam.ac.uk, jcs@bear.zoo.bt.co.uk
X-Mailer: ELM [version 2.3 PL11]

Hi, my changes for 3.3m introduced a subtle reliability problem for
the cheap DCF77 receiver code - it only returned somtimes the
correct time 8-(.

Well, here is the patch. (I'll post this one to the news group
also as it is a show stopper for the cheap clocks 8-(). So
don't be confused.


RCS file: /src/NTP/REPOSITORY/v3/parse/clk_rawdcf.c,v
retrieving revision 3.12
diff -c -r3.12 clk_rawdcf.c
*** parse/clk_rawdcf.c:3.12	1994/02/20 13:04:39
--- parse/clk_rawdcf.c	1994/03/10 19:00:43
***************
*** 1,8 ****
  #if defined(REFCLOCK) && (defined(PARSE) || defined(PARSEPPS)) && defined(CLOCK_RAWDCF)
  /*
!  * /src/NTP/REPOSITORY/v3/parse/clk_rawdcf.c,v 3.12 1994/02/20 13:04:39 kardel Exp
   *  
!  * clk_rawdcf.c,v 3.12 1994/02/20 13:04:39 kardel Exp
   *
   * Raw DCF77 pulse clock support
   *
--- 1,8 ----
  #if defined(REFCLOCK) && (defined(PARSE) || defined(PARSEPPS)) && defined(CLOCK_RAWDCF)
  /*
!  * /src/NTP/REPOSITORY/v3/parse/clk_rawdcf.c,v 3.13 1994/03/10 19:00:43 kardel Exp
   *  
!  * clk_rawdcf.c,v 3.13 1994/03/10 19:00:43 kardel Exp
   *
   * Raw DCF77 pulse clock support
   *
***************
*** 245,250 ****
--- 245,251 ----
        parseprintf(DD_RAWDCF,("parse: convert_rawdcf: parity check passed\n"));
  
        clock->flags  = PARSEB_S_ANTENNA|PARSEB_S_LEAP;
+       clock->utctime= 0;
        clock->usecond= 0;
        clock->second = 0;
        clock->minute = ext_bf(buffer, DCF_M10, dcfparam->zerobits);
***************
*** 528,534 ****
  /*
   * History:
   *
!  * clk_rawdcf.c,v
   * Revision 3.12  1994/02/20  13:04:39  kardel
   * parse add/delete second support
   *
--- 529,538 ----
  /*
   * History:
   *
!  * clk_rawdcf.c,v
!  * Revision 3.13  1994/03/10  19:00:43  kardel
!  * clear utctime field to avoid confusion on synthesize time stamps
!  *
   * Revision 3.12  1994/02/20  13:04:39  kardel
   * parse add/delete second support
   *

-- 
	   Frank Kardel (kardel@informatik.uni-erlangen.de)
    All SCSI disks will from now on be required to send an email
         notice 24 hours prior to complete hardware failure!