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examples/bluetooth: Raise ValueError when advertising data is too large. 

Signed-off-by: Alexander Wilde <alexander.wilde87@gmail.com>
This commit is contained in:
Alexander Wilde 2023-06-20 11:07:45 +01:00 committed by Damien George
parent 845d0c79ff
commit b94ab6a2ef
1 changed files with 5 additions and 0 deletions
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5
examples/bluetooth/ble_advertising.py
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@ -19,6 +19,8 @@ _ADV_TYPE_UUID32_MORE = const(0x4)
_ADV_TYPE_UUID128_MORE = const(0x6) _ADV_TYPE_UUID128_MORE = const(0x6)
_ADV_TYPE_APPEARANCE = const(0x19) _ADV_TYPE_APPEARANCE = const(0x19)
_ADV_MAX_PAYLOAD = const(31)
# Generate a payload to be passed to gap_advertise(adv_data=...). # Generate a payload to be passed to gap_advertise(adv_data=...).
def advertising_payload(limited_disc=False, br_edr=False, name=None, services=None, appearance=0): def advertising_payload(limited_disc=False, br_edr=False, name=None, services=None, appearance=0):
@ -50,6 +52,9 @@ def advertising_payload(limited_disc=False, br_edr=False, name=None, services=No
if appearance: if appearance:
_append(_ADV_TYPE_APPEARANCE, struct.pack("<h", appearance)) _append(_ADV_TYPE_APPEARANCE, struct.pack("<h", appearance))
if len(payload) > _ADV_MAX_PAYLOAD:
raise ValueError("advertising payload too large")
return payload return payload