def __init__(self, img, startX, startY, objectType, objHeight, objWidth):
self.x = startX
self.type = objectType
self.landed = False
self.hit = False
if objectType == 0:
self.y = startY - objHeight
self.image = img[random.getrandbits(1)]
else:
self.y = -objHeight
self.image = img
self.height = objHeight
self.width = objWidth
def __init__(self, ble, name="covid19"):
self._ble = ble
self._ble.active(True)
self._ble.irq(handler=self._irq)
((self._handle, ), ) = self._ble.gatts_register_services(
(_ENV_SENSE_SERVICE, ))
self._connections = set()
# name = "covid" + ubinascii.hexlify(b'~\xd8\xc6\x00').decode('utf-8')
name = "covid" + str(urandom.getrandbits(30))
self.name = name
self._payload = advertising_payload(
name=name,
services=[_ENV_SENSE_UUID],
appearance=_ADV_APPEARANCE_GENERIC_THERMOMETER)
self._advertise()
def update(self, sizes):
# Move Y
self.y += 1
if self.ySpeed > 1:
self.y += 1
# Move X
if self.xSpeed != 0:
self.x += self.dir
if self.y > 100:
tmpRnd = random.getrandbits(7)
if tmpRnd > 125:
self.resetYPos(sizes)
self.y = -20
def randrange(start, stop=None):
if stop is None:
stop = start
start = 0
upper = stop - start
bits = 0
pwr2 = 1
while upper > pwr2:
pwr2 <<= 1
bits += 1
while True:
r = urandom.getrandbits(bits)
if r < upper:
break
return r + start
def cometPlacer(self, freq, group):
""" place comets at top of screen randomly"""
if (self.frameNum % freq) == 0:
for s in group:
if s.rect.y > 80:
s.rect.y = -10
x = 10 + random.getrandbits(8) * 90 // 256
if abs(x - self.lastX) < 7:
if x < self.lastX:
x -= 7
else:
x += 7
s.rect.x = x
self.lastX = x
break
async def writer(self):
self.verbose and print('Started writer')
st = time.time()
while True:
gc.collect()
ut = time.time() - st # Uptime in secs
data = [
self.tx_msg_id, self.cl.connects,
gc.mem_free(), self.cm.dupe, self.cm.miss, ut
]
self.tx_msg_id += 1
print('Sent', data, 'to server app\n')
dstr = ujson.dumps(data)
await self.cl.write(dstr) # Wait out any outage
await asyncio.sleep_ms(7000 + urandom.getrandbits(10))
def bingo_game(i2c, client, light, ctr, results, oled):
while BINGO != True:
proximity = read_prox(i2c) # Take a proximity reading
# check from the server if there is a bingo
client.check_msg()
if (proximity > NEXT_THR):
if BINGO == False:
while True:
# generate a new random number
r = random.getrandbits(N)
sample = int(
r * pow(2, N - 1) /
90) # Map the generated number in the range of 1 to 90
if sample == 0 or sample > 90: # If for some reason, number is out of range
#ignore reading
print(
str(sample) +
' is ignored. Generating another number')
elif results[
sample -
1] != 0: # If the number already exists in the list ignore it
print('Number ' + str(sample) +
' spotted again. Generating another number'
) # generate another random number
else:
results[
sample -
1] = sample # use the sample as the index of the array too (use -1 to compensaty for the zero indexing)
ctr = ctr + 1 # increase the counter by one
oled.fill(0)
oled.text(str(sample), 50,
30) # Print the number on the screen
oled.show()
json_string = {
'Seed': str(light),
'Counter': str(ctr),
'Sample': str(sample)
} # Create the JSON message
send_data(
client, json_string
) # Send the message to the server through the MQTT broker
# json_string= sample
# send_to_app(client,json_string)
break
time.sleep(1)
def starburst(self,
pixels=range(21),
color=(0, 0, 255),
dim=0.80,
freq=0.05,
ms_pause=50):
while True:
for i in pixels:
if self.pixel[i] == (0, 0, 0):
if freq * 100 > getrandbits(7):
self.pixel[i] = color
else:
self.dim(i, dim)
self.pixel.write()
time.sleep_ms(ms_pause)
def _init_ap_if(self):
self.ap_if = network.WLAN(network.AP_IF)
self.ap_if.active(True)
await asyncio.sleep(1)
self.my_ssid = self.ap_if.config('essid')
i = 0
for n in self.my_ssid:
i += ord(n)
while i!=0:
i = i-1
channel = urandom.getrandbits(4)
if channel > 11:
channel = 16 - channel
self.my_channel = channel
self.ap_if.config(essid=self.my_ssid, channel=self.my_channel)
network.phy_mode(3)
def randomise(self):
"""
Generate a seudo-random cells on the screen.
Returns:
Nothing.
"""
size = self.size
width = self.width
height = self.height
self.oled.display.fill(0)
for x in range(0, width, size):
for y in range(0, height, size):
# random bit: 0 = pixel off, 1 = pixel on
self.cell(x, y, getrandbits(1))
def test_continuity(self):
# send a contnuous load for xx hours
global r_topic, r_message
hrs = 8
dur = 60 * 60 * hrs
start = time()
i = 0
while time() - start < dur:
for t in test_topics:
m = getrandstr(getrandbits(8))
self.sender.publish(t, m)
self.reciev.check_msg()
# self.assertEqual(t, r_topic)
# self.assertEqual(m, r_message)
sleep_ms(200)
print(strftime())
def __init__(self):
#self.resetYPos()
self.x = 0
self.y = -30
self.dir = 0
self.maxX = 120
self.minX = -40
self.maxY = 90
self.bulletShot = False # Used in conjunction with the timer to shoot more bullets
self.bulletTimer = 0
self.bulletTimerMax = 0
self.shipId = random.getrandbits(2)
if self.shipId > 2:
self.shipId = 2
# Set horizontal speed
self.xSpeed = random.getrandbits(1)
# Set vertical if shipId > 0
if self.shipId > 0:
self.ySpeed = random.getrandbits(1)
# Now set x pos
self.x = random.getrandbits(7)
if self.x > 55:
self.dir = -1
else:
self.dir = 1
# Sert boundaries
if self.x > self.maxX:
self.x = self.maxX
if self.x < self.minX:
self.x = self.minX
# Bullet timer
self.bulletTimerMax = 10
else:
# Now set horizontal ship
self.y = random.getrandbits(5)
self.dir = random.getrandbits(1)
if self.dir == 0:
# Move left
self.dir = -1
self.x = self.maxX
else:
# Move right
self.x = self.minX
# Bullet timer
self.bulletTimerMax = 15
def get_random_str(items):
"""
Select a seudo-random string from a given list.
Args:
items (lst): List from where to select item.
Returns:
item selected value.
"""
choise = urandom.getrandbits(5)
try:
s_return = items[choise]
return s_return
except IndexError:
return get_random_str(items)
def clear():
res = 16
for i in range(10):
effect = urandom.getrandbits(2)
for j in range(urandint(0, 200) / res):
if effect == 0:
green.duty(800 + (j*res))
else:
red.duty(800 + (j*res))
time.sleep(0.1)
for j in range(urandint(0, 200) / res):
if effect == 1:
green.duty(1024-(j*res))
else:
red.duty(1024-(j*res))
time.sleep(0.1)
def connect(uri):
"""
Connect a websocket.
"""
uri = urlparse(uri)
assert uri
if __debug__: LOGGER.debug("open connection %s:%s",
uri.hostname, uri.port)
sock = socket.socket()
addr = socket.getaddrinfo(uri.hostname, uri.port)
sock.connect(addr[0][4])
if uri.protocol == 'wss':
sock = ussl.wrap_socket(sock)
def send_header(header, *args):
if __debug__: LOGGER.debug(str(header), *args)
sock.write(header % args + '\r\n')
# Sec-WebSocket-Key is 16 bytes of random base64 encoded
key = binascii.b2a_base64(bytes(random.getrandbits(8)
for _ in range(16)))[:-1]
send_header(b'GET %s HTTP/1.1', uri.path or '/')
send_header(b'Host: %s:%s', uri.hostname, uri.port)
send_header(b'Connection: Upgrade')
send_header(b'Upgrade: websocket')
send_header(b'Sec-WebSocket-Key: %s', key)
send_header(b'Sec-WebSocket-Version: 13')
send_header(b'Origin: http://{hostname}:{port}'.format(
hostname=uri.hostname,
port=uri.port)
)
send_header(b'')
header = sock.readline()[:-2]
assert header.startswith(b'HTTP/1.1 101 '), header
# We don't (currently) need these headers
# FIXME: should we check the return key?
while header:
if __debug__: LOGGER.debug(str(header))
header = sock.readline()[:-2]
return WebsocketClient(sock)
async def run(self):
global current_fx
while True:
# run 20 loops
# for i in range(2):
if current_fx == 1:
for i in range(len(self.long_buf) // 3):
# [:3] is the list up to [3] and not including [3]
# [3:] is the list from [3] to the end of the list
self.long_buf = self.long_buf[3:] + self.long_buf[:3]
self.np.buf = self.long_buf
self.np.write()
await asyncio.sleep_ms(self.delay)
await asyncio.sleep(1)
self.delay = urandom.getrandbits(4)
else:
await asyncio.sleep(1)
def mesure(self, x, u, t):
z = self.comportement(x, u, t)
n = len(self._name_of_mes)
n2 = int((n + 1) / 2) * 2
# Vecteur de nombre aleatoires uniformes entre 0 et 1
vu = [urandom.getrandbits(8 * 4) / float(2 ** 32)] * n2
for i in range(n2 / 2):
vu[2 * i + 0], vu[2 * i + 1] = (
sqrt(-log(vu[2 * i + 0])) * cos(2 * pi * vu[2 * i + 1]),
sqrt(-log(vu[2 * i + 0])) * sin(2 * pi * vu[2 * i + 1]),
)
bn = umatrix.matrix([vu[:n]]).T
bg = self._cho * bn + self._moy
self._mes = z + bg
def main():
from machine import Pin, Signal
from utime import sleep
pin = Pin(0, Pin.IN) # set GPIO4 as input with pullup
pir = Signal(pin, invert=False) # let's use Signals, eh?
detected = False
while True:
if not detected and pir.value(): # gone HIGH
print("A Visitor!")
mp3.play_track(urandom.getrandbits(BITS) +
1) # since the MP3 doesn't recognize song 0
detected = True
elif detected and not pir.value(): # gone LOW
print("Bye!")
detected = False
sleep(60 * 20) # sleep 20 minutes
def __init__(self, pin=5):
random_number = None
try:
urandom.seed(int(open('seed_file', 'r').read()))
finally:
file = open('seed_file', 'w')
random_number = urandom.getrandbits(20)
file.write(str(random_number))
file.close()
self.temp_pin = pin
self.data = {
'temp': None,
'id': random_number,
}
self.__setup_pin()
self.__setup_wifi()
def game_init(self):
# Init game state
self.game_step_time = self.game_default_step_time
self.game_won = False
self.game_over = False
urandom.seed(time.ticks_ms())
self.piece_next = urandom.getrandbits(8) % 7
rgb.clear
rgb.disablecomp()
for i in range(256):
self.frame[i] = 0
self.spawn_new_piece()
self.field = [[0 for i in range(self.game_width)]
for j in range(self.game_height)]
self.last_update = time.ticks_ms()
self.score = 0
self.game_blockedlines = 0
def get(self, x, y):
"""
Function to return the value of the given pixel x, y.
Args:
x: Integer with the `x` axis position.
y: Integer with the `y` axis position.
Returns:
type: Boolean with the value of the pixel.
"""
if not 0 <= x < self.width or not 0 <= y < self.height:
return 0
if self.oled.display.pixel(x, y) is None:
bln_return = getrandbits(1)
else:
bln_return = self.oled.display.pixel(x, y)
return bln_return & 1
def clearBoard(self):
global coins, topFaceVal, btmFaceVal, leftFaceVal, rightFaceVal, timer, totalTimer
self.clearChoice = random.getrandbits(2)
if (coins > 0):
coins -= 1
if (self.clearChoice == 0):
topFaceVal = [0, 0, 0, 0]
elif (self.clearChoice == 1):
btmFaceVal = [0, 0, 0, 0]
elif (self.clearChoice == 2):
leftFaceVal = [0, 0, 0, 0]
else:
rightFaceVal = [0, 0, 0, 0]
interface.playClear()
self.randomizeFace()
timer = totalTimer
async def run(meters, vctrl, bctrl):
grv = lambda: urandom.getrandbits(16) / 2**16 # Random: range 0.0 to +1.0
while True:
v = 1.5 * grv() * vctrl.value()
d = 1 + 0.1 * grv()
vl = v * d * 2 * (1 - bctrl.value())
vr = (v / d) * 2 * bctrl.value() # left and right show similar values
if vl > 0.8:
meters[0].color(RED if vl >= 1 else YELLOW)
else:
meters[0].color(CYAN)
if vr > 0.8:
meters[1].color(RED if vr >= 1 else YELLOW)
else:
meters[1].color(CYAN)
meters[0].value(min(1.0, vl))
meters[1].value(min(1.0, vr))
await asyncio.sleep_ms(200)
def RaffleMiniAnim(screen_):
global screen
global lastRaffleTime
screen = screen_
minianim = None
now = umachine.time_ms()
#print("lastRaffleTime",lastRaffleTime,"lastRaffleTime + raffleTimeout", lastRaffleTime + raffleTimeout,"now",now)
if now > (lastRaffleTime + raffleTimeout):
lastRaffleTime = now
minaminCount = len(data.minianimList)
r = random.getrandbits(8) # between 0 and 255
probabilityFactor = 10 # One in 10 wins
animNum = (
minaminCount * probabilityFactor
) * r // 256 # between 0 and (minaminCount*probabilityFactor)
#animNum = 2
print("raffled animNum", animNum)
if animNum < minaminCount:
# (x,y,w,h, duration,(fram1, frame2,...),(frame1Pos, frame2Pos,...)),
animData = data.minianimList[animNum]
#print("animData",animData)
frameW = animData[2]
frameH = animData[3]
frameSurfaces = []
frameOffsets = []
animPixelDataList = animData[6]
#print("animPixelDataList",animPixelDataList)
animFrameOffsetList = animData[7]
#print("animFrameOffsetList",animFrameOffsetList)
for i in range(len(animPixelDataList)):
frameSurfaces.append(
pygame.surface.Surface(frameW, frameH,
animPixelDataList[i]))
frameOffsets.append(animFrameOffsetList[i])
#print("frameOffsets",frameOffsets)
minianim = MiniAnim(frameSurfaces, frameOffsets, animData[0],
animData[1], animData[4], animData[5])
return minianim
async def write_frame(self, opcode, data=b''):
"""
Write a frame to the socket.
See https://tools.ietf.org/html/rfc6455#section-5.2 for the details.
"""
fin = True
mask = self.is_client # messages sent by client are masked
length = len(data)
# Frame header
# Byte 1: FIN(1) _(1) _(1) _(1) OPCODE(4)
byte1 = 0x80 if fin else 0
byte1 |= opcode
# Byte 2: MASK(1) LENGTH(7)
byte2 = 0x80 if mask else 0
if length < 126: # 126 is magic value to use 2-byte length header
byte2 |= length
await self.swriter.awrite(struct.pack('!BB', byte1, byte2))
elif length < (1 << 16): # Length fits in 2-bytes
byte2 |= 126 # Magic code
await self.srwriter.awrite(
struct.pack('!BBH', byte1, byte2, length))
elif length < (1 << 64):
byte2 |= 127 # Magic code
await self.swriter.awrite(struct.pack('!BBQ', byte1, byte2,
length))
else:
raise ValueError()
if mask: # Mask is 4 bytes
mask_bits = struct.pack('!I', random.getrandbits(32))
await self.swriter.awrite(mask_bits)
data = bytes(b ^ mask_bits[i % 4] for i, b in enumerate(data))
await self.swriter.awrite(data)
def starburst(self,
pixels=None,
color=(0, 0, 255),
dim=0.80,
freq=0.05,
ms_pause=50,
loops=10):
pixels = self.strip_range if pixels == None else pixels
l = 0
while l != loops * len(pixels):
for i in pixels:
if self.pixel[i] == (0, 0, 0):
if freq * 100 > getrandbits(7):
self.pixel[i] = color
else:
self.dim(i, dim)
self.pixel.write()
time.sleep_ms(ms_pause)
l += 1
async def run(self):
global current_fx
while True:
# run 20 loops
# for i in range(2):
if current_fx == 2:
print("cool 2")
for i in range(len(self.long_buf) // 3):
# [:3] is the list up to [3] and not including [3]
# [3:] is the list from [3] to the end of the list
self.long_buf = self.long_buf[3:] + self.long_buf[:3]
# self.np.buf = self.long_buf[self.star_length*3 : self.led_count*3 + self.star_length*3]
self.np.buf = self.long_buf[0:self.led_count * 3]
self.np.write()
# time.sleep_ms(self.delay)
await asyncio.sleep_ms(self.delay)
await asyncio.sleep(0.2)
self.delay = urandom.getrandbits(4)
else:
await asyncio.sleep(1)
def connect(hostname, port, path):
"""
Connect a websocket.
"""
print('!!! client.py :: connect')
#if __debug__: LOGGER.debug("open connection %s:%s",
# uri.hostname, uri.port)
sock = socket.socket()
addr = socket.getaddrinfo(hostname, port)
addr = addr[0][-1]
sock.connect(addr)
def send_header(header, *args):
if __debug__: LOGGER.debug(str(header), *args)
sock.send(header % args + '\r\n')
# Sec-WebSocket-Key is 16 bytes of random base64 encoded
key = binascii.b2a_base64(bytes(random.getrandbits(8)
for _ in range(16)))[:-1]
send_header(b'GET %s HTTP/1.1', path or '/')
send_header(b'Host: %s:%s', hostname, port)
send_header(b'Connection: Upgrade')
send_header(b'Upgrade: websocket')
send_header(b'Sec-WebSocket-Key: %s', key)
send_header(b'Sec-WebSocket-Version: 13')
send_header(b'Origin: http://localhost')
send_header(b'')
header = sock.readline()[:-2]
assert header == b'HTTP/1.1 101 Switching Protocols', header
# We don't (currently) need these headers
# FIXME: should we check the return key?
while header:
if __debug__: LOGGER.debug(str(header))
header = sock.readline()[:-2]
return WebsocketClient(sock)
def __init__(self,
topic=None,
server="broker.hivemq.com",
client=None,
callback=None,
check_msg=False):
conectar_wifi()
urandom.seed(ADC(0).read())
self.server = server
self.id_client = str(
urandom.getrandbits(18)) if client is None else client
self.topic = topic
self.client = MQTTClient(self.id_client, self.server)
self.client.set_callback(
self.callback_msg if callback is None else callback)
self.client.connect()
self.check_msg = check_msg
self.timer = Timer(-1)
self.timer.init(period=1000,
mode=Timer.PERIODIC,
callback=self.timer_check_msg)
def update(self):
if self.shake:
if self.shakeSpeed > 0:
if random.getrandbits(1) == 1:
self.shakeSpeed -= 1
else:
self.shakeSpeed = self.shakeSpeedMax
self.shakeAmount -= 1
if self.shakeAmount <= 0:
self.shakeAmount == self.shakeMax
self.shake = False
if self.shake:
self.direction = -self.direction
if self.direction == 1:
return self.shakeAmount
else:
return -self.shakeAmount
else:
return 0
try:
import urandom as random
except ImportError:
try:
import random
except ImportError:
print("SKIP")
raise SystemExit
# check getrandbits returns a value within the bit range
for b in (1, 2, 3, 4, 16, 32):
for i in range(50):
assert random.getrandbits(b) < (1 << b)
# check that seed(0) gives a non-zero value
random.seed(0)
print(random.getrandbits(16) != 0)
# check that PRNG is repeatable
random.seed(1)
r = random.getrandbits(16)
random.seed(1)
print(random.getrandbits(16) == r)
# check that it throws an error for zero bits
try:
random.getrandbits(0)
except ValueError:
print('ValueError')
def rand():
return getrandbits(8)
# neopixcel test programn 2017-06-03
# CC0:No rights reserved
# ハートの鼓動をイメージして色を変化させる
#
from machine import Pin
from neopixel import NeoPixel
from time import *
import urandom
urandom.seed(2017)
pin = Pin(4,Pin.OUT) # NeoPixel data port
np = NeoPixel(pin, 5) # use 5 NeoPixels
def test(pw, t, bia):
for i in range(pw):
np.fill([i, pw-i, bia])
np.write()
sleep(t)
for i in range(pw):
np.fill([pw-i, bia, i])
np.write()
sleep(t)
for i in range(pw):
np.fill([bia, i, pw-i])
np.write()
sleep(t)
while True:
test(100,0.01,urandom.getrandbits(6))