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2 lines
643 B
JavaScript
2 lines
643 B
JavaScript
function c(a,d,e){this.r=d;this.w=e;if(21577!=this.r(f.MANUFACTUREID))throw Error("Unexpected Manufacturer ID");if(12289!=this.r(f.DEVICEID))throw Error("Unexpected Device ID");this.on()}var f={RESULT:0,CONFIG:1,LOWLIMIT:2,HIGHLIMIT:3,MANUFACTUREID:126,DEVICEID:127};c.prototype.on=function(){this.w(f.CONFIG,52240)};c.prototype.off=function(){this.w(f.CONFIG,51216)};c.prototype.read=function(){var a=this.r(f.RESULT);return.01*((a&4095)<<(a>>12))};exports.OPT3001=c;exports.connectI2C=
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function(a,d){var e=d&&d.addr||68;return new c(d,function(b){a.writeTo(e,b);b=a.readFrom(e,2);return b[1]|b[0]<<8},function(b,g){a.writeTo(e,[b,g>>8,g])})} |