Closed
Description
CircuitPython version
Adafruit 6.3 and 7 tested on nrf itsybitsy
Adafruit CircuitPython 6.3.0 on 2021-06-01; Adafruit ItsyBitsy nRF52840 Express with nRF52840Code/REPL
import gc
import time
from adafruit_ble import BLERadio
ble = BLERadio()
devices = set()
while True:
while ble.connected:
connection=ble.connections[0]
time.sleep(2)
connection.disconnect()
print([gc.mem_free(),devices])
time.sleep(5)
gc.collect()
print("device disconnected, scanning for new devices")
print([gc.mem_free(),devices])
for advertisement in ble.start_scan(timeout=10, minimum_rssi=-90):
shortname=advertisement.short_name
macaddress=advertisement.address
devices.add(macaddress)
addr = advertisement.address
rssi = advertisement.rssi
print(["connecting",addr,rssi,gc.mem_free(),devices])
try:
ble.connect(advertisement,timeout=5)
except:
print("can not connect")
time.sleep(2)
break
ble.stop_scan()
gc.collect()Behavior
Traceback (most recent call last):
File "code.py", line 80, in
File "adafruit_ble/init.py", line 250, in start_scan
MemoryError: memory allocation failed, allocating 42241 bytes
Description
When doing BLE connect and disconnect, "connection.disconnect()" does not release memory after 1 hour
memory is exhausted, and finished with error.
Check bellow free memory is droping 3792,2400,2032... etc until error.
[5152, {
}]device disconnected, scanning for new AERAs
[5728, {}]
['connected', , -53, 3792, {}]
[1, 1]
[4272, {}]
device disconnected, scanning for new AERAs
[4848, {}]
['connected', , -56, 2400, {}]
[1, 0]
[3392, {}]
device disconnected, scanning for new AERAs
[3968, {}]
supervisor reload
['connected', , -62, 2032, {}]
[1, 1]
Additional information
No response