esp-idf/examples/bluetooth/nimble/blecent/blecent_test.py

141 wiersze
4.3 KiB
Python

#!/usr/bin/env python
#
# Copyright 2019 Espressif Systems (Shanghai) PTE LTD
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
from __future__ import print_function
import os
import subprocess
import threading
import traceback
try:
import Queue
except ImportError:
import queue as Queue
import ttfw_idf
from ble import lib_ble_client
from tiny_test_fw import Utility
# When running on local machine execute the following before running this script
# > make app bootloader
# > make print_flash_cmd | tail -n 1 > build/download.config
def blecent_client_task(dut):
interface = 'hci0'
adv_host_name = 'BleCentTestApp'
adv_type = 'peripheral'
adv_uuid = '1811'
# Get BLE client module
ble_client_obj = lib_ble_client.BLE_Bluez_Client(iface=interface)
# Discover Bluetooth Adapter and power on
is_adapter_set = ble_client_obj.set_adapter()
if not is_adapter_set:
return
'''
Blecent application run:
Create GATT data
Register GATT Application
Create Advertising data
Register advertisement
Start advertising
'''
# Create Gatt Application
# Register GATT Application
ble_client_obj.register_gatt_app()
# Register Advertisement
# Check read/write/subscribe is received from device
ble_client_obj.register_adv(adv_host_name, adv_type, adv_uuid)
# Check dut responses
dut.expect('Connection established', timeout=30)
dut.expect('Service discovery complete; status=0', timeout=30)
dut.expect('GATT procedure initiated: read;', timeout=30)
dut.expect('Read complete; status=0', timeout=30)
dut.expect('GATT procedure initiated: write;', timeout=30)
dut.expect('Write complete; status=0', timeout=30)
dut.expect('GATT procedure initiated: write;', timeout=30)
dut.expect('Subscribe complete; status=0', timeout=30)
dut.expect('received notification;', timeout=30)
class BleCentThread(threading.Thread):
def __init__(self, dut, exceptions_queue):
threading.Thread.__init__(self)
self.dut = dut
self.exceptions_queue = exceptions_queue
def run(self):
try:
blecent_client_task(self.dut)
except RuntimeError:
self.exceptions_queue.put(traceback.format_exc(), block=False)
@ttfw_idf.idf_example_test(env_tag='Example_WIFI_BT')
def test_example_app_ble_central(env, extra_data):
"""
Steps:
1. Discover Bluetooth Adapter and Power On
2. Connect BLE Device
3. Start Notifications
4. Updated value is retrieved
5. Stop Notifications
"""
# Remove cached bluetooth devices of any previous connections
subprocess.check_output(['rm', '-rf', '/var/lib/bluetooth/*'])
subprocess.check_output(['hciconfig', 'hci0', 'reset'])
# Acquire DUT
dut = env.get_dut('blecent', 'examples/bluetooth/nimble/blecent', dut_class=ttfw_idf.ESP32DUT)
# Get binary file
binary_file = os.path.join(dut.app.binary_path, 'blecent.bin')
bin_size = os.path.getsize(binary_file)
ttfw_idf.log_performance('blecent_bin_size', '{}KB'.format(bin_size // 1024))
# Upload binary and start testing
Utility.console_log('Starting blecent example test app')
dut.start_app()
dut.reset()
exceptions_queue = Queue.Queue()
# Starting a py-client in a separate thread
blehr_thread_obj = BleCentThread(dut, exceptions_queue)
blehr_thread_obj.start()
blehr_thread_obj.join()
exception_msg = None
while True:
try:
exception_msg = exceptions_queue.get(block=False)
except Queue.Empty:
break
else:
Utility.console_log('\n' + exception_msg)
if exception_msg:
raise Exception('Blecent thread did not run successfully')
if __name__ == '__main__':
test_example_app_ble_central()