def adv_stop_cb(data):
global pdu_count, adv_content
print("Advertising stopped")
adv_content = (adv_content + 1) % 3
if adv_content == 0:
# advertise UID
interval = 100
timeout = 10000
elif adv_content == 1:
# advertise URL
interval = 100
timeout = 15000
else:
# advertise TLM
interval = 100
timeout = 150
pdu_count += 1
payloads[2] = bb.eddy_encode_tlm(battery_level, temperature, pdu_count,
uptime.get() /
1000) # TLM Eddystone payload
payload = payloads[adv_content]
ble.advertising(interval,
timeout=timeout,
payload=payload,
mode=ble.ADV_UNCN_UND)
ble.start_advertising()
print("Advertising restarted with", ble.btos(payload))
def disconnection_cb(address):
global connected
print("Disconnected from", ble.btos(address))
# let's start advertising again
ble.start_advertising()
connected = False
ble.security(capabilities=ble.CAP_DISPLAY_ONLY,
bonding=ble.AUTH_BOND,
scheme=ble.AUTH_SC | ble.AUTH_MITM,
key_size=16,
passkey=225575)
# To do so, we need a callback to display the passkey when needed
ble.add_callback(ble.EVT_SHOW_PASSKEY, show_key_cb)
# Setup advertising to 50ms
ble.advertising(50)
# Start the BLE stack
ble.start()
# Now start advertising
ble.start_advertising()
except Exception as e:
print(e)
# loop forever
while True:
print(".")
if random(0, 100) < 50 and notifications_enabled and connected:
value = bytearray(cn.get_value())
value[0] = 0 # simple alert type
if value[1] < 255:
value[1] = value[1] + 1 # add a notification
print("Adding a new notification, total of", value[1])
# the remaining 14 bytes can be some text
value[2:10] = "Zerynth!"
def disconnected_cb(address):
global connected
print(ble.btos(address))
ble.start_advertising()
connected = False
set_disconnect_led()
