forked from Lephenixnoir/PythonExtra
115 lines
3.3 KiB
Python
115 lines
3.3 KiB
Python
# Test BLE GAP connect/disconnect
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from micropython import const
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import time, machine, bluetooth
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TIMEOUT_MS = 4000
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_IRQ_CENTRAL_CONNECT = const(1)
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_IRQ_CENTRAL_DISCONNECT = const(2)
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_IRQ_PERIPHERAL_CONNECT = const(7)
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_IRQ_PERIPHERAL_DISCONNECT = const(8)
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central_connected = False
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central_disconnected = False
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peripheral_connected = False
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peripheral_disconnected = False
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conn_handle = None
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def irq(event, data):
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global central_connected, central_disconnected, peripheral_connected, peripheral_disconnected, conn_handle
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if event == _IRQ_CENTRAL_CONNECT:
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print("_IRQ_CENTRAL_CONNECT")
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central_connected = True
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conn_handle = data[0]
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elif event == _IRQ_CENTRAL_DISCONNECT:
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print("_IRQ_CENTRAL_DISCONNECT")
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central_disconnected = True
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elif event == _IRQ_PERIPHERAL_CONNECT:
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print("_IRQ_PERIPHERAL_CONNECT")
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peripheral_connected = True
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conn_handle = data[0]
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elif event == _IRQ_PERIPHERAL_DISCONNECT:
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print("_IRQ_PERIPHERAL_DISCONNECT")
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peripheral_disconnected = True
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remote_addr = data[0]
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def wait_for(fn, timeout_ms):
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t0 = time.ticks_ms()
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while time.ticks_diff(time.ticks_ms(), t0) < timeout_ms:
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if fn():
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return True
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machine.idle()
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return False
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# Acting in peripheral role.
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def instance0():
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global central_connected, central_disconnected
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multitest.globals(BDADDR=ble.config("mac"))
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print("gap_advertise")
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ble.gap_advertise(20_000, b"\x02\x01\x06\x04\xffMPY")
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multitest.next()
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try:
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# Wait for central to connect, then wait for it to disconnect.
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if not wait_for(lambda: central_connected, TIMEOUT_MS):
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return
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if not wait_for(lambda: central_disconnected, TIMEOUT_MS):
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return
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central_connected = False
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central_disconnected = False
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# Start advertising again.
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print("gap_advertise")
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ble.gap_advertise(20_000, b"\x02\x01\x06\x04\xffMPY")
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# Wait for central to connect, then disconnect it.
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if not wait_for(lambda: central_connected, TIMEOUT_MS):
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return
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print("gap_disconnect:", ble.gap_disconnect(conn_handle))
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if not wait_for(lambda: central_disconnected, TIMEOUT_MS):
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return
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finally:
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ble.active(0)
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# Acting in central role.
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def instance1():
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global peripheral_connected, peripheral_disconnected
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multitest.next()
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try:
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# Connect to peripheral and then disconnect.
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print("gap_connect")
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ble.gap_connect(*BDADDR)
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if not wait_for(lambda: peripheral_connected, TIMEOUT_MS):
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return
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print("gap_disconnect:", ble.gap_disconnect(conn_handle))
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if not wait_for(lambda: peripheral_disconnected, TIMEOUT_MS):
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return
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peripheral_connected = False
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peripheral_disconnected = False
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# Wait for peripheral to start advertising again.
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time.sleep_ms(100)
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# Connect to peripheral and then let the peripheral disconnect us.
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print("gap_connect")
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ble.gap_connect(*BDADDR)
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if not wait_for(lambda: peripheral_connected, TIMEOUT_MS):
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return
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if not wait_for(lambda: peripheral_disconnected, TIMEOUT_MS):
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return
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finally:
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ble.active(0)
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ble = bluetooth.BLE()
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ble.active(1)
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ble.irq(irq)
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