diff options
| -rw-r--r-- | docs/library/ubluetooth.rst | 17 |
1 files changed, 14 insertions, 3 deletions
diff --git a/docs/library/ubluetooth.rst b/docs/library/ubluetooth.rst index 434759b43..f65020d2a 100644 --- a/docs/library/ubluetooth.rst +++ b/docs/library/ubluetooth.rst @@ -119,9 +119,9 @@ Event Handling # A client has written to this characteristic or descriptor. conn_handle, attr_handle = data elif event == _IRQ_GATTS_READ_REQUEST: - # A client has issued a read. Note: this is a hard IRQ. - # Return None to deny the read. - # Note: This event is not supported on ESP32. + # A client has issued a read. Note: this is only supported on STM32. + # Return a non-zero integer to deny the read (see below), or zero (or None) + # to accept the read. conn_handle, attr_handle = data elif event == _IRQ_SCAN_RESULT: # A single scan result. @@ -234,6 +234,15 @@ The event codes are:: _IRQ_L2CAP_SEND_READY = const(26) _IRQ_CONNECTION_UPDATE = const(27) +For the ``_IRQ_GATTS_READ_REQUEST`` event, the available return codes are:: + + _GATTS_NO_ERROR = const(0x00) + _GATTS_ERROR_READ_NOT_PERMITTED = const(0x02) + _GATTS_ERROR_WRITE_NOT_PERMITTED = const(0x03) + _GATTS_ERROR_INSUFFICIENT_AUTHENTICATION = const(0x05) + _GATTS_ERROR_INSUFFICIENT_AUTHORIZATION = const(0x08) + _GATTS_ERROR_INSUFFICIENT_ENCRYPTION = const(0x0f) + In order to save space in the firmware, these constants are not included on the :mod:`ubluetooth` module. Add the ones that you need from the list above to your program. @@ -420,6 +429,8 @@ writes from a client to a given characteristic, use _FLAG_WRITE_AUTHENTICATED = const(0x2000) _FLAG_WRITE_AUTHORIZED = const(0x4000) + As for the IRQs above, any required constants should be added to your Python code. + .. method:: BLE.gatts_read(value_handle, /) Reads the local value for this handle (which has either been written by |