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Fix SLDateTime day-of-week calculation

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Turns out we were offsetting the wrong direction. This offsets the correct way (verified against a Wireshark capture of the official app).
This commit is contained in:
Chris Pickett
2022-04-15 16:17:18 -05:00
parent de8bba63a0
commit e0136a01cd
3 changed files with 6 additions and 6 deletions
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2
README.md
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@ -581,7 +581,7 @@ Contains information about the system's current time and date. Passed as an argu
* `year` - short representing current system year
* `month` - short representing current system month (where 1 is January, 2 is February, etc.)
* `day` - short representing current system day of the month
* `dayOfWeek` - short representing current system day of the week (where 0 is Sunday and 6 is Sunday)
* `dayOfWeek` - short representing current system day of the week (where 1 is Sunday and 7 is Saturday)
* `hour` - short representing current system hour (24-hour time where 0 is midnight, 13 is 1PM, etc.)
* `minute` - short representing current system minute
* `second` - short representing current system second

6
messages/SLMessage.js
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@ -153,9 +153,9 @@ exports.SLMessage = class SLMessage extends SmartBuffer {
writeSLDateTime(date) {
this.writeInt16LE(date.getFullYear());
this.writeInt16LE(date.getMonth() + 1);
var dayOfWeek = date.getDay() - 1;
if (dayOfWeek < 0) {
dayOfWeek = 6;
var dayOfWeek = date.getDay() + 1;
if (dayOfWeek == 7) {
dayOfWeek = 0;
}
this.writeInt16LE(dayOfWeek);
this.writeInt16LE(date.getDate());

4
test/slmessage.spec.js
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@ -181,8 +181,8 @@ describe('SLMessage utilities', function() {
assert.equal(decodedMsg.readUInt16LE(), 2021);
// javascript Date() month is 0-based, ScreenLogic month matches the calendar
assert.equal(decodedMsg.readUInt16LE(), 9);
// ScreenLogic day-of-week starts with Monday as 0
assert.equal(decodedMsg.readUInt16LE(), 0);
// ScreenLogic day-of-week starts with Sunday as 1
assert.equal(decodedMsg.readUInt16LE(), 2);
assert.equal(decodedMsg.readUInt16LE(), 6);
assert.equal(decodedMsg.readUInt16LE(), 22);
assert.equal(decodedMsg.readUInt16LE(), 8);