Andrew Boyson / gps

A GPS disciplined clock

Dependencies:   net lpc1768 crypto clock web log

web-this/home/web-home-script.js@93:2cce06dd2bcc, 2020-04-03 (annotated)

Committer:
andrewboyson
Date:
Fri Apr 03 08:15:37 2020 +0000
Revision:
93:2cce06dd2bcc
Parent:
87:5052e316994a 
Increased NMEA confidence delay from 10 to 20 minutes after an incident where it took 13 minutes to settle.

Who changed what in which revision?

UserRevisionLine numberNew contents of line
andrewboyson 60:7cab896b0fd4 1 //Home script
andrewboyson 27:eb5728b9052b 2 'use strict';
andrewboyson 27:eb5728b9052b 3
andrewboyson 60:7cab896b0fd4 4 let rtc = new Clock();
andrewboyson 60:7cab896b0fd4 5
andrewboyson 60:7cab896b0fd4 6 let diffMs = 0;
andrewboyson 27:eb5728b9052b 7
andrewboyson 87:5052e316994a 8 let messagesOk = false;
andrewboyson 87:5052e316994a 9 let fixMessagesOk = false;
andrewboyson 87:5052e316994a 10 let timeMessagesOk = false;
andrewboyson 87:5052e316994a 11 let ppsStable = false;
andrewboyson 87:5052e316994a 12 let nmeaStable = false;
andrewboyson 87:5052e316994a 13
andrewboyson 60:7cab896b0fd4 14 let rtcIsSet = false;
andrewboyson 60:7cab896b0fd4 15 let clockIsSet = false;
andrewboyson 87:5052e316994a 16 let sourceIsOk = false;
andrewboyson 60:7cab896b0fd4 17 let rateIsLocked = false;
andrewboyson 60:7cab896b0fd4 18 let timeIsLocked = false;
andrewboyson 27:eb5728b9052b 19
andrewboyson 60:7cab896b0fd4 20 const DISPLAY_LEAP_MS = 10000;
andrewboyson 60:7cab896b0fd4 21
andrewboyson 60:7cab896b0fd4 22 function parse()
andrewboyson 27:eb5728b9052b 23 {
andrewboyson 60:7cab896b0fd4 24 let lines = Ajax.response.split('\n');
andrewboyson 60:7cab896b0fd4 25 rtc.ms = Ajax.date.getTime();
andrewboyson 60:7cab896b0fd4 26 rtc.ms += parseInt(lines[0], 16);
andrewboyson 60:7cab896b0fd4 27 rtc.ms -= Ajax.ms;
andrewboyson 60:7cab896b0fd4 28 diffMs = rtc.ms + Ajax.ms - Date.now();
andrewboyson 87:5052e316994a 29 messagesOk = Ajax.hexToBit(lines[1], 11);
andrewboyson 87:5052e316994a 30 fixMessagesOk = Ajax.hexToBit(lines[1], 10);
andrewboyson 87:5052e316994a 31 timeMessagesOk = Ajax.hexToBit(lines[1], 9);
andrewboyson 87:5052e316994a 32 ppsStable = Ajax.hexToBit(lines[1], 8);
andrewboyson 87:5052e316994a 33 nmeaStable = Ajax.hexToBit(lines[1], 7);
andrewboyson 87:5052e316994a 34 rtcIsSet = Ajax.hexToBit(lines[1], 6);
andrewboyson 87:5052e316994a 35 clockIsSet = Ajax.hexToBit(lines[1], 5);
andrewboyson 87:5052e316994a 36 sourceIsOk = Ajax.hexToBit(lines[1], 4);
andrewboyson 87:5052e316994a 37 rateIsLocked = Ajax.hexToBit(lines[1], 3);
andrewboyson 87:5052e316994a 38 timeIsLocked = Ajax.hexToBit(lines[1], 2);
andrewboyson 60:7cab896b0fd4 39 rtc.months1970 = parseInt(lines[2], 16);
andrewboyson 60:7cab896b0fd4 40 rtc.leaps = parseInt(lines[3], 16);
andrewboyson 27:eb5728b9052b 41 }
andrewboyson 60:7cab896b0fd4 42 function display()
andrewboyson 27:eb5728b9052b 43 {
andrewboyson 60:7cab896b0fd4 44 let elem;
andrewboyson 87:5052e316994a 45 elem = Ajax.getElementOrNull('ajax-msgs-ok' ); if (elem) elem.setAttribute('dir', messagesOk ? 'rtl' : 'ltr');
andrewboyson 87:5052e316994a 46 elem = Ajax.getElementOrNull('ajax-fix-msgs-ok' ); if (elem) elem.setAttribute('dir', fixMessagesOk ? 'rtl' : 'ltr');
andrewboyson 87:5052e316994a 47 elem = Ajax.getElementOrNull('ajax-time-msgs-ok' ); if (elem) elem.setAttribute('dir', timeMessagesOk ? 'rtl' : 'ltr');
andrewboyson 87:5052e316994a 48 elem = Ajax.getElementOrNull('ajax-pps-stable' ); if (elem) elem.setAttribute('dir', ppsStable ? 'rtl' : 'ltr');
andrewboyson 87:5052e316994a 49 elem = Ajax.getElementOrNull('ajax-nmea-stable' ); if (elem) elem.setAttribute('dir', nmeaStable ? 'rtl' : 'ltr');
andrewboyson 60:7cab896b0fd4 50
andrewboyson 87:5052e316994a 51 elem = Ajax.getElementOrNull('ajax-rtc-set' ); if (elem) elem.setAttribute('dir', rtcIsSet ? 'rtl' : 'ltr');
andrewboyson 87:5052e316994a 52 elem = Ajax.getElementOrNull('ajax-clock-set' ); if (elem) elem.setAttribute('dir', clockIsSet ? 'rtl' : 'ltr');
andrewboyson 87:5052e316994a 53 elem = Ajax.getElementOrNull('ajax-source-ok' ); if (elem) elem.setAttribute('dir', sourceIsOk ? 'rtl' : 'ltr');
andrewboyson 87:5052e316994a 54 elem = Ajax.getElementOrNull('ajax-rate-locked' ); if (elem) elem.setAttribute('dir', rateIsLocked ? 'rtl' : 'ltr');
andrewboyson 87:5052e316994a 55 elem = Ajax.getElementOrNull('ajax-time-locked' ); if (elem) elem.setAttribute('dir', timeIsLocked ? 'rtl' : 'ltr');
andrewboyson 87:5052e316994a 56
andrewboyson 87:5052e316994a 57 elem = Ajax.getElementOrNull('ajax-date-diff' ); if (elem) elem.textContent = diffMs;
andrewboyson 60:7cab896b0fd4 58
andrewboyson 60:7cab896b0fd4 59 elem = Ajax.getElementOrNull('ajax-leap-year' ); if (elem) elem.value = rtc.months1970 ? rtc.leapYear : '';
andrewboyson 60:7cab896b0fd4 60 elem = Ajax.getElementOrNull('ajax-leap-month' ); if (elem) elem.value = rtc.months1970 ? rtc.leapMonth : '';
andrewboyson 60:7cab896b0fd4 61 elem = Ajax.getElementOrNull('ajax-leap-count' ); if (elem) elem.value = rtc.leaps;
andrewboyson 27:eb5728b9052b 62 }
andrewboyson 27:eb5728b9052b 63
andrewboyson 60:7cab896b0fd4 64 function handleTick() //This typically called every 100ms
andrewboyson 27:eb5728b9052b 65 {
andrewboyson 87:5052e316994a 66 rtc.adjustLeap (Ajax.ms);
andrewboyson 87:5052e316994a 67 rtc.displayTime(Ajax.ms);
andrewboyson 27:eb5728b9052b 68 }
andrewboyson 27:eb5728b9052b 69
andrewboyson 60:7cab896b0fd4 70 Ajax.server = '/home-ajax';
andrewboyson 60:7cab896b0fd4 71 Ajax.onResponse = function() { parse(); display(); };
andrewboyson 60:7cab896b0fd4 72 Ajax.onTick = handleTick;
andrewboyson 60:7cab896b0fd4 73 Ajax.init();
andrewboyson 27:eb5728b9052b 74