Andrew Boyson
/
1-wire
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Dependents: oldheating heating
Diff: http/http-1wire-class.inc
- Revision:
- 1:c272b1fcc834
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/http/http-1wire-class.inc Fri Apr 26 14:29:44 2019 +0000
@@ -0,0 +1,32 @@
+"//OneWire script\n"
+"'use strict';\n"
+"\n"
+"class OneWire\n"
+"{\n"
+" static DS18B20ToString(text)\n"
+" {\n"
+" switch (text)\n"
+" {\n"
+" case '7FFF': return 'CRC error' ;\n"
+" case '7FFE': return 'ROM not found' ;\n"
+" case '7FFD': return 'Timed out' ;\n"
+" case '7FFC': return 'No device detected after reset';\n"
+" case '7FFB': return 'Device removed during search' ;\n"
+" }\n"
+" let isNegative = false;\n"
+" switch(text.charAt(0))\n"
+" {\n"
+" case '8': text = '7' + text.substr(1, 3); isNegative = true; break;\n"
+" case '9': text = '6' + text.substr(1, 3); isNegative = true; break;\n"
+" case 'A': text = '5' + text.substr(1, 3); isNegative = true; break;\n"
+" case 'B': text = '4' + text.substr(1, 3); isNegative = true; break;\n"
+" case 'C': text = '3' + text.substr(1, 3); isNegative = true; break;\n"
+" case 'D': text = '2' + text.substr(1, 3); isNegative = true; break;\n"
+" case 'E': text = '1' + text.substr(1, 3); isNegative = true; break;\n"
+" case 'F': text = '0' + text.substr(1, 3); isNegative = true; break;\n"
+" }\n"
+" let value = parseInt(text, 16) / 16.0;\n"
+" if (isNegative) value = -value;\n"
+" return value.toFixed(1);\n"
+" }\n"
+"}"
\ No newline at end of file