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Correction for max. length of advertised url to 17

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https://github.com/google/eddystone/tree/master/eddystone-url#frame-specification states 1-17
When one makes a general google for the max length, some have written 18 and some 17 :(
The difference could lie in the https://github.com/google/eddystone/tree/master/eddystone-url#url-scheme-prefix which adds an extra byte but it's use is to in someway allow for more bytes in the 1-17.
The implementation in the micro:bit Lancaster is unknown as to how the url-scheme-prefix is or is not used: there does not seem to be a scheme for "Just take the 1-17" for the url.

At the moment, "play it safe" and write 17 ?
This commit is contained in:
Owen Brotherwood 2016-12-06 20:51:44 +01:00 committed by GitHub
parent 485a42758c
commit 30211aa006
1 changed files with 2 additions and 2 deletions
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4
docs/reference/bluetooth/advertise-url.md
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@ -23,7 +23,7 @@ bluetooth.advertiseUrl("https://pxt.microbit.org/", 7);
### Parameters ### Parameters
* ``url`` - a [string](/reference/types/string) containing the URL to broadcast, at most 18 characters long * ``url`` - a [string](/reference/types/string) containing the URL to broadcast, at most 17 characters long
* ``power`` - a [number](/reference/types/number) representing the power level between 0 (short) and 7 (maximum range). * ``power`` - a [number](/reference/types/number) representing the power level between 0 (short) and 7 (maximum range).
### Example: Broadcast a secret code ### Example: Broadcast a secret code
@ -38,4 +38,4 @@ bluetooth.advertiseUrl("https://pxt.io?secret=42", 7);
```package ```package
bluetooth bluetooth
``` ```