History: ip_app_sntp

This page describes all changes made to the ip_app_sntp package, SNTP Client, since its release.

Version

1.21 (2020-05-20, 22:31):

  • MISRA-C:2012: violations eliminated (MISRA-C:2004 revoked).

1.20 (2020-03-05, 14:10):

  • Buffer overflow fixed in sntp_set_server() (did not cause issues but was required for consistency).

1.19 (2019-11-25, 15:57):

  • MISRA-C:2004: violations eliminated.

1.18 (2019-02-13, 16:55):

  • MISRA-C:2004: violations eliminated.

1.17 (2019-01-18, 10:00):

  • Corrected IP address compare in sntp_check_kod() function.

1.16 (2018-09-10, 07:48):

  • Removed unnecessary header file (hcc/src/ip/apps/sntp/sntp.h).

1.15 (2018-09-10, 07:48):

  • Incorrect time could be calculated in synchronized state.
  • Compiler warnings were eliminated.

1.14r2 (2018-08-29, 18:05):

  • Document HTML link added to the documentation folder.
  • History and document files renamed to the package name.

1.14 (2018-02-20, 12:07):

  • Applied Socket API changes.

1.13 (2017-11-03, 14:00):

  • Added design document.
  • Corrected handling of Kiss of Death "RATE".

1.12 (2017-10-18, 11:10):

  • Added missing 'static' to sntp_step_time definition.

1.11 (2017-10-04, 11:02):

  • udp_open() call changed to match new API.

1.10 (2017-09-12, 10:00):

  • Corrected some MISRA warnings.
  • Removed use of signed type when calculating time offset.

1.9 (2017-09-08, 13:45):

  • Corrected use of socket_select() (nfds is set to max listen socket number + 1).

1.8 (2017-06-08, 13:15):

  • Corrected overflow during calculation of time_offset in sntp_process_msg().

1.7:

  • sntp_check_msg(): corrected read of ntts_sec, ntts_frac to use PSP_RD_BE32. Direct comparison with 0 resulted in an unaligned uint32 read exception on some machines.

1.6:

  • Removed Authorization field from NTP packet that is not present in SNTP.

1.5:

  • Server index is now cleared during start of module.
  • Removed incude #include "../../../config/config_ip_udp.h".

1.4:

  • Corrected reference time loopback check.
  • Removed use of int64 type.

1.3:

  • Added support for standard sockets (tested on LwIP sockets).
  • Corrected behavior of message receive when socket interface is used.

1.2:

  • It can be configured to use BSD sockets.
  • Updated to work with UDP major version 6.
  • Updated to work with IP base major version 6.

1.1:

  • SNTP after removing NTP-related code. Corrected received message filtering.

1.0:

  • Initial release of SNTP.