from machine import Pin 
import bluetooth
from ble_simple_peripheral import BLESimplePeripheral
import neopixel
import LCD

ble = bluetooth.BLE()
sp = BLESimplePeripheral(ble)

N = 16
p = machine.Pin(1)
np = neopixel.NeoPixel(p, N, bpp=3, timing=1)

def on_rx(data):
    global Level, flag
    print("Data received: ", data)
    try:
        Level = int(data[0:3])
        Level = min(Level, 255)
        np.fill([Level,Level,Level])
        np.write()
        flag = 1
    except:
        print('invalid data entry')

LCD.Init()
White = LCD.RGB(250,250,250)
Black = LCD.RGB(0,0,0)
Yellow = LCD.RGB(250,250,0)
LCD.Clear(Black)
LCD.Box(1,1,479,319,White)
LCD.Text2('Brightness: ', 50, 50, Yellow, Black)
LCD.Title('Flashlight v1', White, Black)

flag = 1

while(1):
    if sp.is_connected():
        sp.on_write(on_rx)
    if(flag):
        print('Brightness = ',Level)
        LCD.Text2(str(Level) + '  ', 300, 50, Yellow, Black)
        flag = 0