Andrew Boyson / oldheating

Central Heating controller using the real time clock, PHY module for internet, 1-wire interface for temperature sensors, a system log and a configuration file

Dependencies:   net 1-wire lpc1768 crypto clock web fram log

/media/uploads/andrewboyson/heating.sch

/media/uploads/andrewboyson/heating.brd

/media/uploads/andrewboyson/eagle.epf

web-this/boiler/web-boiler-script.js@105:1899f7ed17ec, 2021-02-23 (annotated)

Committer:
andrewboyson
Date:
Tue Feb 23 20:35:07 2021 +0000
Revision:
105:1899f7ed17ec
Parent:
104:46ce1aaf8be7
Child:
106:41ed3ea0bbba
Added ability to set the minimum flow rate and removed the correction to delta T relative to speed. Adding the round circuit time and linked to speed. Next task is to linearize the flow.

Who changed what in which revision?

UserRevisionLine numberNew contents of line
andrewboyson 47:229338b3adcb 1 //Boiler script
andrewboyson 47:229338b3adcb 2 'use strict';
andrewboyson 47:229338b3adcb 3
andrewboyson 91:8b192efd0288 4 let dateTime = '';
andrewboyson 91:8b192efd0288 5 let tankTemperature = '';
andrewboyson 91:8b192efd0288 6 let blrOutTemperature = '';
andrewboyson 91:8b192efd0288 7 let blrRtnTemperature = '';
andrewboyson 105:1899f7ed17ec 8 let blrAlnTemperature = '';
andrewboyson 105:1899f7ed17ec 9 let blrDeltaT = '';
andrewboyson 105:1899f7ed17ec 10 let boilerEnable = false;
andrewboyson 91:8b192efd0288 11 let boilerCall = false;
andrewboyson 91:8b192efd0288 12 let boilerPump = false;
andrewboyson 105:1899f7ed17ec 13 let fullSpeedSecs = '';
andrewboyson 91:8b192efd0288 14 let tankSetPoint = '';
andrewboyson 91:8b192efd0288 15 let tankHysteresis = '';
andrewboyson 91:8b192efd0288 16 let blrRunOnDeg = '';
andrewboyson 91:8b192efd0288 17 let blrRunOnTime = '';
andrewboyson 104:46ce1aaf8be7 18 let blrPumpSpeed = '';
andrewboyson 104:46ce1aaf8be7 19 let blrPumpPwm = '';
andrewboyson 104:46ce1aaf8be7 20 let pumpSpeedCalling = '';
andrewboyson 104:46ce1aaf8be7 21 let pumpSpeedRunOn = '';
andrewboyson 104:46ce1aaf8be7 22 let blrOutputTarget = '';
andrewboyson 104:46ce1aaf8be7 23 let riseAt0 = '';
andrewboyson 104:46ce1aaf8be7 24 let riseAt50 = '';
andrewboyson 104:46ce1aaf8be7 25 let riseAt100 = '';
andrewboyson 47:229338b3adcb 26
andrewboyson 47:229338b3adcb 27 function parse()
andrewboyson 47:229338b3adcb 28 {
andrewboyson 47:229338b3adcb 29 let lines = Ajax.response.split('\n');
andrewboyson 104:46ce1aaf8be7 30 tankTemperature = Ajax.hexToSignedInt16(lines[ 0]);
andrewboyson 104:46ce1aaf8be7 31 blrOutTemperature = Ajax.hexToSignedInt16(lines[ 1]);
andrewboyson 104:46ce1aaf8be7 32 blrRtnTemperature = Ajax.hexToSignedInt16(lines[ 2]);
andrewboyson 105:1899f7ed17ec 33 blrAlnTemperature = Ajax.hexToSignedInt16(lines[ 3]);
andrewboyson 105:1899f7ed17ec 34 blrDeltaT = Ajax.hexToSignedInt16(lines[ 4]);
andrewboyson 105:1899f7ed17ec 35 boilerCall = Ajax.hexToBit (lines[ 5], 0);
andrewboyson 105:1899f7ed17ec 36 boilerPump = Ajax.hexToBit (lines[ 5], 1);
andrewboyson 105:1899f7ed17ec 37 boilerEnable = Ajax.hexToBit (lines[ 5], 2);
andrewboyson 105:1899f7ed17ec 38 fullSpeedSecs = Ajax.hexToSignedInt16(lines[ 6]);
andrewboyson 105:1899f7ed17ec 39 tankSetPoint = Ajax.hexToSignedInt16(lines[ 7]);
andrewboyson 105:1899f7ed17ec 40 tankHysteresis = Ajax.hexToSignedInt16(lines[ 8]);
andrewboyson 105:1899f7ed17ec 41 blrRunOnDeg = Ajax.hexToSignedInt16(lines[ 9]);
andrewboyson 105:1899f7ed17ec 42 blrRunOnTime = Ajax.hexToSignedInt16(lines[10]);
andrewboyson 105:1899f7ed17ec 43 blrPumpSpeed = Ajax.hexToSignedInt16(lines[11]);
andrewboyson 105:1899f7ed17ec 44 blrPumpPwm = Ajax.hexToSignedInt16(lines[12]);
andrewboyson 105:1899f7ed17ec 45 pumpSpeedCalling = Ajax.hexToSignedInt16(lines[13]);
andrewboyson 105:1899f7ed17ec 46 if (pumpSpeedCalling == -1) pumpSpeedCalling = 'A';
andrewboyson 105:1899f7ed17ec 47 if (pumpSpeedCalling == -2) pumpSpeedCalling = 'T';
andrewboyson 105:1899f7ed17ec 48 pumpSpeedRunOn = Ajax.hexToSignedInt16(lines[14]);
andrewboyson 105:1899f7ed17ec 49 blrOutputTarget = Ajax.hexToSignedInt16(lines[15]);
andrewboyson 105:1899f7ed17ec 50 riseAt0 = Ajax.hexToSignedInt16(lines[16]);
andrewboyson 105:1899f7ed17ec 51 riseAt50 = Ajax.hexToSignedInt16(lines[17]);
andrewboyson 105:1899f7ed17ec 52 riseAt100 = Ajax.hexToSignedInt16(lines[18]);
andrewboyson 47:229338b3adcb 53 }
andrewboyson 47:229338b3adcb 54 function display()
andrewboyson 47:229338b3adcb 55 {
andrewboyson 47:229338b3adcb 56 let elem;
andrewboyson 92:2d1ca4dcbca7 57 elem = Ajax.getElementOrNull('ajax-tank-html' ); if (elem) elem.textContent = OneWire.DS18B20ToString(tankTemperature);
andrewboyson 92:2d1ca4dcbca7 58 elem = Ajax.getElementOrNull('ajax-blr-out-html' ); if (elem) elem.textContent = OneWire.DS18B20ToString(blrOutTemperature);
andrewboyson 92:2d1ca4dcbca7 59 elem = Ajax.getElementOrNull('ajax-blr-rtn-html' ); if (elem) elem.textContent = OneWire.DS18B20ToString(blrRtnTemperature);
andrewboyson 105:1899f7ed17ec 60 elem = Ajax.getElementOrNull('ajax-blr-aln-html' ); if (elem) elem.textContent = OneWire.DS18B20ToString(blrAlnTemperature);
andrewboyson 105:1899f7ed17ec 61 elem = Ajax.getElementOrNull('ajax-blr-rise-html' ); if (elem) elem.textContent = OneWire.DS18B20ToString(blrDeltaT);
andrewboyson 91:8b192efd0288 62
andrewboyson 104:46ce1aaf8be7 63 elem = Ajax.getElementOrNull('ajax-blr-pump-speed-html'); if (elem) elem.textContent = blrPumpSpeed;
andrewboyson 104:46ce1aaf8be7 64 elem = Ajax.getElementOrNull('ajax-blr-pump-pwm-html' ); if (elem) elem.textContent = blrPumpPwm;
andrewboyson 104:46ce1aaf8be7 65
andrewboyson 105:1899f7ed17ec 66 elem = Ajax.getElementOrNull('ajax-blr-call-toggle' ); if (elem) elem.setAttribute('dir', boilerCall ? 'rtl' : 'ltr');
andrewboyson 105:1899f7ed17ec 67 elem = Ajax.getElementOrNull('ajax-blr-pump-toggle' ); if (elem) elem.setAttribute('dir', boilerPump ? 'rtl' : 'ltr');
andrewboyson 105:1899f7ed17ec 68 elem = Ajax.getElementOrNull('ajax-blr-enable-toggle' ); if (elem) elem.setAttribute('dir', boilerEnable ? 'rtl' : 'ltr');
andrewboyson 105:1899f7ed17ec 69 elem = Ajax.getElementOrNull('ajax-full-speed-secs' ); if (elem) elem.value = fullSpeedSecs;
andrewboyson 104:46ce1aaf8be7 70 elem = Ajax.getElementOrNull('ajax-tank-set-point' ); if (elem) elem.value = tankSetPoint;
andrewboyson 104:46ce1aaf8be7 71 elem = Ajax.getElementOrNull('ajax-tank-hysteresis' ); if (elem) elem.value = tankHysteresis;
andrewboyson 104:46ce1aaf8be7 72 elem = Ajax.getElementOrNull('ajax-blr-run-on-deg' ); if (elem) elem.value = OneWire.DS18B20ToString(blrRunOnDeg);
andrewboyson 104:46ce1aaf8be7 73 elem = Ajax.getElementOrNull('ajax-blr-run-on-time' ); if (elem) elem.value = blrRunOnTime;
andrewboyson 104:46ce1aaf8be7 74
andrewboyson 104:46ce1aaf8be7 75 elem = Ajax.getElementOrNull('ajax-pump-speed-calling'); if (elem) elem.value = pumpSpeedCalling;
andrewboyson 104:46ce1aaf8be7 76 elem = Ajax.getElementOrNull('ajax-pump-speed-run-on' ); if (elem) elem.value = pumpSpeedRunOn;
andrewboyson 104:46ce1aaf8be7 77 elem = Ajax.getElementOrNull('ajax-blr-output-target' ); if (elem) elem.value = blrOutputTarget;
andrewboyson 104:46ce1aaf8be7 78
andrewboyson 105:1899f7ed17ec 79 elem = Ajax.getElementOrNull('ajax-pump-rise-at-0' ); if (elem) elem.value = riseAt0;
andrewboyson 105:1899f7ed17ec 80 elem = Ajax.getElementOrNull('ajax-pump-rise-at-50' ); if (elem) elem.value = riseAt50;
andrewboyson 104:46ce1aaf8be7 81 elem = Ajax.getElementOrNull('ajax-pump-rise-at-100' ); if (elem) elem.value = OneWire.DS18B20ToString(riseAt100);
andrewboyson 47:229338b3adcb 82 }
andrewboyson 47:229338b3adcb 83
andrewboyson 47:229338b3adcb 84 Ajax.server = '/boiler-ajax';
andrewboyson 47:229338b3adcb 85 Ajax.onResponse = function() { parse(); display(); };
andrewboyson 47:229338b3adcb 86 Ajax.init();