Basic Bluetooth scan app

btscan/main.py

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+"""Scan for and display nearby bluetooth devices"""
+
+___name___         = "Bluetooth Scan"
+___license___      = "MIT"	
+___dependencies___ = ["sleep", "app", "sim800"]
+___categories___   = ["Other", "System"]
+
+import ugfx, app
+from machine import Neopix
+np = Neopix()
+
+import sim800
+from tilda import Buttons
+from time import sleep
+
+btrestore = False
+
+status_height = 20
+
+ugfx.init()
+ugfx.clear()
+ugfx.set_default_font(ugfx.FONT_FIXED)
+
+ugfx.Label(5, 180, 240, 15, "Press A to scan, MENU to exit")
+ugfx.Label(5, 200, 240, 15, "Scan requires ~10 seconds")
+if not sim800.btison():
+    sim800.btpoweron()
+    btrestore = True
+
+# while (not Buttons.is_pressed(Buttons.BTN_A)) and (not Buttons.is_pressed(Buttons.BTN_B)) and (not Buttons.is_pressed(Buttons.BTN_Menu)):
+while not Buttons.is_pressed(Buttons.BTN_Menu):
+    if not Buttons.is_pressed(Buttons.BTN_A):
+        ugfx.poll()
+        continue
+
+    ugfx.clear()
+
+    np.display([0,0])
+    np.display([0x000099, 0x000099])
+    devs = sim800.btscan(15000)
+    
+    if len(devs) == 0:
+        ugfx.Label(0, 0, 240, 25, "No devices found")
+        np.display([0x110000,0x110000])
+        sleep(1)
+        np.display([0,0])
+    else:
+        if type(devs[0]) == int: 
+            devs = [devs]
+        print(devs)
+
+        y = 0
+        for dev in devs[:20]:
+            print(dev)
+            ugfx.Label(0, y, 240, 25, "{3}dB {1}".format(*dev))
+            y += status_height
+        
+    
+    np.display([0x00, 0x00])
+    
+if btrestore:
+    sim800.btpoweroff()
+
+ugfx.clear()
+app.restart_to_default()