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50 lines
1.3 KiB
Python
50 lines
1.3 KiB
Python
# Copy this module to storage and import it if you want
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# to use it in your own scripts. See example usage below.
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from time import sleep
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from pyb import Pin, UART
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class BLE:
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def reset(self):
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self.rst.low()
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sleep(100)
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self.rst.high()
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sleep(100)
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def _write_cmd(self, cmd):
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self.uart.write(cmd)
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if (self.uart.any()):
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print(self.uart.readline())
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def set_discoverable(self, discoverable):
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if (discoverable):
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self._write_cmd('adv high\r\n')
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else:
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self._write_cmd('adv off\r\n')
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def scan(self):
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devices = []
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#Scan all
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self._write_cmd('scan high all dup\r\n')
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# Read scanning results
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sleep(100)
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for i in range(100):
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if (self.uart.any()):
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devices.append(self.uart.readline())
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sleep(10)
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self._write_cmd('scan off\r\n') #Scan off
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return devices
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def __init__(self):
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self.rst = Pin('P7', Pin.OUT_PP, Pin.PULL_UP)
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self.uart = UART(3, 115200, bits=8, parity=None, stop=1, flow=UART.RTS|UART.CTS)
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if __name__ == "__main__":
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ble = BLE()
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ble.reset()
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ble.set_discoverable(True)
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devices = ble.scan()
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for d in devices:
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print(d)
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