77 lines
1.9 KiB
Python
77 lines
1.9 KiB
Python
"""Scan for and display nearby bluetooth devices"""
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___title___ = "Bluetooth Scan"
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___license___ = "MIT"
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___dependencies___ = ["sleep", "app", "sim800"]
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___categories___ = ["Other", "System"]
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import ugfx, app
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from machine import Neopix
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np = Neopix()
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import sim800
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from tilda import Buttons
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from time import sleep
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btrestore = False
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duration = 10
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status_height = 20
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ugfx.init()
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ugfx.clear()
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ugfx.set_default_font(ugfx.FONT_FIXED)
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def instructions(duration):
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ugfx.Label(5, 180, 240, 30, "Press A to start, B to change scan length or MENU to exit")
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ugfx.Label(5, 210, 240, 15, "Scan requires ~{0} seconds".format(duration))
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if not sim800.btison():
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sim800.btpoweron()
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btrestore = True
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instructions(duration)
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# while (not Buttons.is_pressed(Buttons.BTN_A)) and (not Buttons.is_pressed(Buttons.BTN_B)) and (not Buttons.is_pressed(Buttons.BTN_Menu)):
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while not Buttons.is_pressed(Buttons.BTN_Menu):
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a = Buttons.is_pressed(Buttons.BTN_A)
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b = Buttons.is_pressed(Buttons.BTN_B)
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if not a and not b:
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ugfx.poll()
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continue
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if b:
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duration = duration + 5
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if duration > 60:
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duration = 5
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ugfx.clear()
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instructions(duration)
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continue
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ugfx.clear()
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np.display([0,0])
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np.display([0x000099, 0x000099])
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devs = sim800.btscan(duration*1000)
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np.display([0x00, 0x00])
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if len(devs) == 0:
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ugfx.Label(0, 0, 240, 25, "No devices found")
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np.display([0x110000,0x110000])
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sleep(1)
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np.display([0,0])
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else:
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if type(devs[0]) == int:
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devs = [devs]
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y = 0
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for dev in devs[:20]:
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ugfx.Label(0, y, 240, 25, "{3}dB {1}".format(*dev))
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y += status_height
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instructions(duration)
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## App quitting...
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if btrestore:
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sim800.btpoweroff()
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ugfx.clear()
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app.restart_to_default()
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