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@104:46ce1aaf8be7, 2021-02-10 (annotated)

Committer:
andrewboyson
Date:
Wed Feb 10 17:24:36 2021 +0000
Revision:
104:46ce1aaf8be7
Parent:
92:2d1ca4dcbca7
Child:
105:1899f7ed17ec
Added PWM speed control to the boiler pump.

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 91:8b192efd0288 8 let boilerCall = false;
andrewboyson 91:8b192efd0288 9 let boilerPump = false;
andrewboyson 91:8b192efd0288 10 let tankSetPoint = '';
andrewboyson 91:8b192efd0288 11 let tankHysteresis = '';
andrewboyson 91:8b192efd0288 12 let blrRunOnDeg = '';
andrewboyson 91:8b192efd0288 13 let blrRunOnTime = '';
andrewboyson 104:46ce1aaf8be7 14 let blrPumpSpeed = '';
andrewboyson 104:46ce1aaf8be7 15 let blrPumpPwm = '';
andrewboyson 104:46ce1aaf8be7 16 let pumpSpeedCalling = '';
andrewboyson 104:46ce1aaf8be7 17 let pumpSpeedRunOn = '';
andrewboyson 104:46ce1aaf8be7 18 let blrOutputTarget = '';
andrewboyson 104:46ce1aaf8be7 19 let riseAt0 = '';
andrewboyson 104:46ce1aaf8be7 20 let riseAt50 = '';
andrewboyson 104:46ce1aaf8be7 21 let riseAt100 = '';
andrewboyson 47:229338b3adcb 22
andrewboyson 47:229338b3adcb 23 function parse()
andrewboyson 47:229338b3adcb 24 {
andrewboyson 47:229338b3adcb 25 let lines = Ajax.response.split('\n');
andrewboyson 104:46ce1aaf8be7 26 tankTemperature = Ajax.hexToSignedInt16(lines[ 0]);
andrewboyson 104:46ce1aaf8be7 27 blrOutTemperature = Ajax.hexToSignedInt16(lines[ 1]);
andrewboyson 104:46ce1aaf8be7 28 blrRtnTemperature = Ajax.hexToSignedInt16(lines[ 2]);
andrewboyson 104:46ce1aaf8be7 29 boilerCall = Ajax.hexToBit (lines[ 3], 0);
andrewboyson 104:46ce1aaf8be7 30 boilerPump = Ajax.hexToBit (lines[ 3], 1);
andrewboyson 104:46ce1aaf8be7 31 tankSetPoint = Ajax.hexToSignedInt16(lines[ 4]);
andrewboyson 104:46ce1aaf8be7 32 tankHysteresis = Ajax.hexToSignedInt16(lines[ 5]);
andrewboyson 104:46ce1aaf8be7 33 blrRunOnDeg = Ajax.hexToSignedInt16(lines[ 6]);
andrewboyson 104:46ce1aaf8be7 34 blrRunOnTime = Ajax.hexToSignedInt16(lines[ 7]);
andrewboyson 104:46ce1aaf8be7 35 blrPumpSpeed = Ajax.hexToSignedInt16(lines[ 8]);
andrewboyson 104:46ce1aaf8be7 36 blrPumpPwm = Ajax.hexToSignedInt16(lines[ 9]);
andrewboyson 104:46ce1aaf8be7 37 pumpSpeedCalling = Ajax.hexToSignedInt16(lines[10]);
andrewboyson 104:46ce1aaf8be7 38 pumpSpeedRunOn = Ajax.hexToSignedInt16(lines[11]);
andrewboyson 104:46ce1aaf8be7 39 blrOutputTarget = Ajax.hexToSignedInt16(lines[12]);
andrewboyson 104:46ce1aaf8be7 40 riseAt0 = Ajax.hexToSignedInt16(lines[13]);
andrewboyson 104:46ce1aaf8be7 41 riseAt50 = Ajax.hexToSignedInt16(lines[14]);
andrewboyson 104:46ce1aaf8be7 42 riseAt100 = Ajax.hexToSignedInt16(lines[15]);
andrewboyson 47:229338b3adcb 43 }
andrewboyson 47:229338b3adcb 44 function display()
andrewboyson 47:229338b3adcb 45 {
andrewboyson 47:229338b3adcb 46 let elem;
andrewboyson 92:2d1ca4dcbca7 47 elem = Ajax.getElementOrNull('ajax-tank-html' ); if (elem) elem.textContent = OneWire.DS18B20ToString(tankTemperature);
andrewboyson 92:2d1ca4dcbca7 48 elem = Ajax.getElementOrNull('ajax-blr-out-html' ); if (elem) elem.textContent = OneWire.DS18B20ToString(blrOutTemperature);
andrewboyson 92:2d1ca4dcbca7 49 elem = Ajax.getElementOrNull('ajax-blr-rtn-html' ); if (elem) elem.textContent = OneWire.DS18B20ToString(blrRtnTemperature);
andrewboyson 92:2d1ca4dcbca7 50 elem = Ajax.getElementOrNull('ajax-blr-rise-html' ); if (elem) elem.textContent = OneWire.DS18B20ToString(blrOutTemperature - blrRtnTemperature);
andrewboyson 91:8b192efd0288 51
andrewboyson 104:46ce1aaf8be7 52 elem = Ajax.getElementOrNull('ajax-blr-pump-speed-html'); if (elem) elem.textContent = blrPumpSpeed;
andrewboyson 104:46ce1aaf8be7 53 elem = Ajax.getElementOrNull('ajax-blr-pump-pwm-html' ); if (elem) elem.textContent = blrPumpPwm;
andrewboyson 104:46ce1aaf8be7 54
andrewboyson 104:46ce1aaf8be7 55 elem = Ajax.getElementOrNull('ajax-blr-call-toggle' ); if (elem) elem.setAttribute('dir', boilerCall ? 'rtl' : 'ltr');
andrewboyson 104:46ce1aaf8be7 56 elem = Ajax.getElementOrNull('ajax-blr-pump-toggle' ); if (elem) elem.setAttribute('dir', boilerPump ? 'rtl' : 'ltr');
andrewboyson 104:46ce1aaf8be7 57 elem = Ajax.getElementOrNull('ajax-tank-set-point' ); if (elem) elem.value = tankSetPoint;
andrewboyson 104:46ce1aaf8be7 58 elem = Ajax.getElementOrNull('ajax-tank-hysteresis' ); if (elem) elem.value = tankHysteresis;
andrewboyson 104:46ce1aaf8be7 59 elem = Ajax.getElementOrNull('ajax-blr-run-on-deg' ); if (elem) elem.value = OneWire.DS18B20ToString(blrRunOnDeg);
andrewboyson 104:46ce1aaf8be7 60 elem = Ajax.getElementOrNull('ajax-blr-run-on-time' ); if (elem) elem.value = blrRunOnTime;
andrewboyson 104:46ce1aaf8be7 61
andrewboyson 104:46ce1aaf8be7 62 elem = Ajax.getElementOrNull('ajax-pump-speed-calling'); if (elem) elem.value = pumpSpeedCalling;
andrewboyson 104:46ce1aaf8be7 63 elem = Ajax.getElementOrNull('ajax-pump-speed-run-on' ); if (elem) elem.value = pumpSpeedRunOn;
andrewboyson 104:46ce1aaf8be7 64 elem = Ajax.getElementOrNull('ajax-blr-output-target' ); if (elem) elem.value = blrOutputTarget;
andrewboyson 104:46ce1aaf8be7 65
andrewboyson 104:46ce1aaf8be7 66 elem = Ajax.getElementOrNull('ajax-pump-rise-at-0' ); if (elem) elem.value = OneWire.DS18B20ToString(riseAt0);
andrewboyson 104:46ce1aaf8be7 67 elem = Ajax.getElementOrNull('ajax-pump-rise-at-50' ); if (elem) elem.value = OneWire.DS18B20ToString(riseAt50);
andrewboyson 104:46ce1aaf8be7 68 elem = Ajax.getElementOrNull('ajax-pump-rise-at-100' ); if (elem) elem.value = OneWire.DS18B20ToString(riseAt100);
andrewboyson 47:229338b3adcb 69 }
andrewboyson 47:229338b3adcb 70
andrewboyson 47:229338b3adcb 71 Ajax.server = '/boiler-ajax';
andrewboyson 47:229338b3adcb 72 Ajax.onResponse = function() { parse(); display(); };
andrewboyson 47:229338b3adcb 73 Ajax.init();