diff options
Diffstat (limited to 'examples/bluetooth/ble_temperature_central.py')
| -rw-r--r-- | examples/bluetooth/ble_temperature_central.py | 17 |
1 files changed, 16 insertions, 1 deletions
diff --git a/examples/bluetooth/ble_temperature_central.py b/examples/bluetooth/ble_temperature_central.py index 8b679b9b80..19dc93409e 100644 --- a/examples/bluetooth/ble_temperature_central.py +++ b/examples/bluetooth/ble_temperature_central.py @@ -80,6 +80,8 @@ class BLETemperatureCentral: # Connected device. self._conn_handle = None + self._start_handle = None + self._end_handle = None self._value_handle = None def _irq(self, event, data): @@ -124,18 +126,31 @@ class BLETemperatureCentral: # Connected device returned a service. conn_handle, start_handle, end_handle, uuid = data if conn_handle == self._conn_handle and uuid == _ENV_SENSE_UUID: + self._start_handle, self._end_handle = start_handle, end_handle + + elif event == _IRQ_GATTC_SERVICES_DONE: + # Service query complete. + if self._start_handle and self._end_handle: self._ble.gattc_discover_characteristics( - self._conn_handle, start_handle, end_handle + self._conn_handle, self._start_handle, self._end_handle ) + else: + print("Failed to find environmental sensing service.") elif event == _IRQ_GATTC_CHARACTERISTIC_RESULT: # Connected device returned a characteristic. conn_handle, def_handle, value_handle, properties, uuid = data if conn_handle == self._conn_handle and uuid == _TEMP_UUID: self._value_handle = value_handle + + elif event == _IRQ_GATTC_CHARACTERISTICS_DONE: + # Characteristic query complete. + if self._value_handle: # We've finished connecting and discovering device, fire the connect callback. if self._conn_callback: self._conn_callback() + else: + print("Failed to find temperature characteristic.") elif event == _IRQ_GATTC_READ_RESULT: # A read completed successfully. |