Andrew Boyson
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
Diff: web-this/boiler/web-boiler-script.js
- Revision:
- 53:c1bf7d9db507
- Parent:
- 49:9491c966dc60
- Child:
- 91:8b192efd0288
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/web-this/boiler/web-boiler-script.js Wed May 01 10:05:00 2019 +0000
@@ -0,0 +1,45 @@
+//Boiler script
+'use strict';
+
+let dateTime = '';
+let tankTemperature = '';
+let blrOutTemperature = '';
+let blrRtnTemperature = '';
+let boilerCall = false;
+let boilerPump = false;
+let tankSetPoint = '';
+let tankHysteresis = '';
+let blrRunOnDeg = '';
+let blrRunOnTime = '';
+
+function parse()
+{
+ let lines = Ajax.response.split('\n');
+ tankTemperature = OneWire.DS18B20ToString (lines[0]);
+ blrOutTemperature = OneWire.DS18B20ToString (lines[1]);
+ blrRtnTemperature = OneWire.DS18B20ToString (lines[2]);
+ boilerCall = Ajax.hexToBit (lines[3], 0);
+ boilerPump = Ajax.hexToBit (lines[3], 1);
+ tankSetPoint = Ajax.hexToSignedInt16(lines[4]);
+ tankHysteresis = Ajax.hexToSignedInt16(lines[5]);
+ blrRunOnDeg = Ajax.hexToSignedInt16(lines[6]);
+ blrRunOnTime = Ajax.hexToSignedInt16(lines[7]);
+}
+function display()
+{
+ let elem;
+ elem = Ajax.getElementOrNull('ajax-tank-html' ); if (elem) elem.textContent = tankTemperature;
+ elem = Ajax.getElementOrNull('ajax-blr-out-html' ); if (elem) elem.textContent = blrOutTemperature;
+ elem = Ajax.getElementOrNull('ajax-blr-rtn-html' ); if (elem) elem.textContent = blrRtnTemperature;
+ elem = Ajax.getElementOrNull('ajax-blr-call-toggle'); if (elem) elem.setAttribute('dir', boilerCall ? 'rtl' : 'ltr');
+ elem = Ajax.getElementOrNull('ajax-blr-pump-toggle'); if (elem) elem.setAttribute('dir', boilerPump ? 'rtl' : 'ltr');
+ elem = Ajax.getElementOrNull('ajax-tank-set-point' ); if (elem) elem.value = tankSetPoint;
+ elem = Ajax.getElementOrNull('ajax-tank-hysteresis'); if (elem) elem.value = tankHysteresis;
+ elem = Ajax.getElementOrNull('ajax-blr-run-on-deg' ); if (elem) elem.value = blrRunOnDeg;
+ elem = Ajax.getElementOrNull('ajax-blr-run-on-time'); if (elem) elem.value = blrRunOnTime;
+
+}
+
+Ajax.server = '/boiler-ajax';
+Ajax.onResponse = function() { parse(); display(); };
+Ajax.init();