class BLEHandler(LoggingHandler):
"""Send logging output to the BLE uart port."""
def __init__(self):
"""Create an instance.
:param uart: the busio.UART instance to which to write messages
"""
self._advertising_now = False
self._uart = UARTServer()
self._uart.start_advertising()
def format(self, level, msg):
"""Generate a string to log.
:param level: The level at which to log
:param msg: The core message
"""
return super().format(level, msg) + '\r\n'
def emit(self, level, msg):
"""Generate the message and write it to the UART.
:param level: The level at which to log
:param msg: The core message
"""
while not self._uart.connected:
pass
data = bytes(self.format(level, msg), 'utf-8')
self._uart.write(data)
def __init__(self):
"""Create an instance.
:param uart: the busio.UART instance to which to write messages
"""
self._advertising_now = False
self._uart = UARTServer()
self._uart.start_advertising()
from adafruit_ble.uart import UARTServer
import time
import board
from digitalio import DigitalInOut, Direction, Pull
uart = UARTServer()
FWD_PIN = DigitalInOut(board.P0_15)
REV_PIN = DigitalInOut(board.P0_17)
SLOW_PIN = DigitalInOut(board.P0_20)
FAST_PIN = DigitalInOut(board.P0_22)
FSTEP_PIN = DigitalInOut(board.P0_24)
RSTEP_PIN = DigitalInOut(board.P1_00)
Rled = DigitalInOut(board.LED2_R)
Gled = DigitalInOut(board.LED2_G)
FWD_PIN.direction = Direction.OUTPUT
REV_PIN.direction = Direction.OUTPUT
SLOW_PIN.direction = Direction.OUTPUT
FAST_PIN.direction = Direction.OUTPUT
FSTEP_PIN.direction = Direction.OUTPUT
RSTEP_PIN.direction = Direction.OUTPUT
Rled.direction = Direction.OUTPUT
Gled.direction = Direction.OUTPUT
fwd_cmd = str.encode("f")
rev_cmd = str.encode("r")
fast_cmd = str.encode("h")
slow_cmd = str.encode("l")
fancy.CRGB(0, 68, 214)
]
# Declare a NeoPixel object on NEOPIXEL_PIN with NUM_LEDS pixels,
# no auto-write.
# Set brightness to max because we'll be using FancyLED's brightness control.
pixels = neopixel.NeoPixel(NEOPIXEL_PIN,
NUM_LEDS,
brightness=1.0,
auto_write=False)
offset = 0 # Positional offset into color palette to get it to 'spin'
offset_increment = 1
OFFSET_MAX = 1000000
uart_server = UARTServer()
def set_palette(palette):
for i in range(NUM_LEDS):
# Load each pixel's color from the palette using an offset, run it
# through the gamma function, pack RGB value and assign to pixel.
color = fancy.palette_lookup(palette, (offset + i) / NUM_LEDS)
color = fancy.gamma_adjust(color, brightness=0.25)
pixels[i] = color.pack()
pixels.show()
# set initial palette to run on startup
palette_choice = PALETTE_RAINBOW
