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extmod/btstack: Add support for CCCD to allow client subscriptions.

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This allows gatts_write(..., send_update=True) to work, which will send
notifications/indications to subscribed clients.

btstack already created the CCCD but writes to it were ignored.

Signed-off-by: Jim Mussared <jim.mussared@gmail.com>
This commit is contained in:
Jim Mussared
2023-03-10 00:56:31 +11:00
parent f9b60a240a
commit bb4ee06d98
2 changed files with 52 additions and 9 deletions
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2
extmod/modbluetooth.h
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@@ -84,7 +84,7 @@
#define MP_BLUETOOTH_DEFAULT_ATTR_LEN (20)
#endif
#define MP_BLUETOOTH_CCCB_LEN (2)
#define MP_BLUETOOTH_CCCD_LEN (2)
// Advertisement packet lengths
#define MP_BLUETOOTH_GAP_ADV_MAX_LEN (32)