fix(ble): enforce maximum length for dynamic device name #2784
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xudongzheng
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joelspadin
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Jan 23, 2025
| @@ -238,6 +238,11 @@ config BT_PERIPHERAL_PREF_LATENCY | |||
| config BT_PERIPHERAL_PREF_TIMEOUT | |||
| default 400 | |||
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| # The device name should be 16 characters or less so it fits within the | |||
| # advertising data. | |||
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Does this need to be configurable? The comment implies that the value should always be 16.
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Yes, the value should not be changed. I didn't calculate the value myself but it should be the maximum Bluetooth advertising payload length minus everything in zmk_ble_ad.
It's getting set here so bt_set_name() and zmk_ble_set_device_name() return an error if the length is exceeded.
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