Orbs Game

master
mjt@mjturner.co.uk 2018-09-02 23:06:18 +01:00
parent 42e2a5e9c2
commit 9b916093e4
3 changed files with 391 additions and 0 deletions

144
orbs/main.py Normal file
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___name___ = "Orbs Game"
___license___ = "MIT"
___dependencies___ = ["app", "dialogs", "sim800", "ugfx_helper"]
___categories___ = ["Games"]
___bootstrapped___ = True
from app import *
from dialogs import *
import utime
import ugfx
import ugfx_helper
from orbs.umqtt.simple import MQTTClient
import network
from machine import mem32
wlan=network.WLAN()
if not wlan.isconnected():
import wifi
wifi.connect()
ugfx_helper.init()
ugfx.clear()
broker='151.216.207.139'
mqtt_username='orbs'
mqtt_password='orbs123'
scoretext=""
MACAddress=str(mem32[0x400fef20]) + str(mem32[0x400fef24]) + str(mem32[0x400fef28]) + str(mem32[0x400fef2C])
regOK=False
regFAILED=False
def mqtt_connect():
client = MQTTClient(MACAddress,broker, user=mqtt_username, password=mqtt_password)
client.set_callback(sub_cb)
connected=False
try:
client.connect()
connected=True
except Exception as err:
connected=False
if (connected):
return client
else:
return False
def sub_cb(topic,msg):
global regOK
global regFAILED
global scoretext
try:
(t1,t2,t3,targetBadge,messageType)=topic.decode('utf-8').split('/')
strmsg=msg.decode('utf-8')
if messageType=="regok":
regOK=True
if messageType=="regerror":
regFAILED=True
if messageType=="scores":
scoretext=msg
except:
return
def update_token(token):
lb=open("token.txt","w")
lb.write(token)
lb.close()
def do_gettoken():
notice("Enter your RFID token ID digits only. Get it right!", title="Orbs Game")
token=prompt_text("Enter token:")
if len(token)==8 or len(token)==14 or len(token)==20:
return token
else:
notice("Invalid token", title="Orbs Game")
return ""
def do_register(client):
playername=prompt_text("Enter name:")
playername=playername.replace(",",".")
regOK==False
regFAILED==False
if len(playername)>3:
client.publish("/registration/from/" + MACAddress + "/name",mytoken + "," + playername)
notice("Name request sent")
client.check_msg()
if regOK==True:
notice("Registration completed")
if regFAILED==True:
notice("Registration failed")
else:
notice("Name too short")
def get_token():
try:
lb=open("token.txt","r")
token=lb.readline()
lb.close()
if token=="":
token=do_gettoken()
except:
token=""
if token=="":
token=do_gettoken()
return token
def do_showscores(client):
client.publish("/registration/from/" + MACAddress + "/score",mytoken)
notice("Requested scores")
client.check_msg()
if len(scoretext)>0:
(playername,playerscore,rank,redscore,greenscore,bluescore)=scoretext.decode('utf-8').split(',')
notice("Player: " + playername + chr(13) + "Score: " + playerscore + chr(13) + "Rank: " + rank)
notice("Red Score: " + redscore + chr(13) + "Green Score: " + greenscore + chr(13) + "Blue Score: " + bluescore)
else:
notice("Failed to get scores")
mqttclient=mqtt_connect()
while (not mqttclient):
utime.sleep(2)
mqttclient=mqtt_connect()
mqttclient.subscribe(topic='/badge/to/' + MACAddress + '/#')
#mqttclient.subscribe(topic='/scoreboard/to/all/#')
mytoken=get_token()
if len(mytoken)==0:
notice("Token required",title="Orbs Game")
try:
mqttclient.close()
except:
restart_to_default()
restart_to_default()
update_token(mytoken)
menuset = []
menuset.append({ "title" : "Register", "index" : 1 })
menuset.append({ "title" : "Scores", "index" : 2 })
while True:
selection = prompt_option(menuset, text="Orbs Game", select_text="Select", none_text="Exit")
if (not selection):
restart_to_default()
elif (selection["index"]==1):
do_register(mqttclient)
elif (selection["index"]==2):
do_showscores(mqttclient)

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orbs/umqtt/robust.py Normal file
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import utime
from . import simple
class MQTTClient(simple.MQTTClient):
DELAY = 2
DEBUG = False
def delay(self, i):
utime.sleep(self.DELAY)
def log(self, in_reconnect, e):
if self.DEBUG:
if in_reconnect:
print("mqtt reconnect: %r" % e)
else:
print("mqtt: %r" % e)
def reconnect(self):
i = 0
while 1:
try:
return super().connect(False)
except OSError as e:
self.log(True, e)
i += 1
self.delay(i)
def publish(self, topic, msg, retain=False, qos=0):
while 1:
try:
return super().publish(topic, msg, retain, qos)
except OSError as e:
self.log(False, e)
self.reconnect()
def wait_msg(self):
while 1:
try:
return super().wait_msg()
except OSError as e:
self.log(False, e)
self.reconnect()

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orbs/umqtt/simple.py Normal file
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import usocket as socket
import ustruct as struct
from ubinascii import hexlify
class MQTTException(Exception):
pass
class MQTTClient:
def __init__(self, client_id, server, port=0, user=None, password=None, keepalive=0,
ssl=False, ssl_params={}):
if port == 0:
port = 8883 if ssl else 1883
self.client_id = client_id
self.sock = None
self.server = server
self.port = port
self.ssl = ssl
self.ssl_params = ssl_params
self.pid = 0
self.cb = None
self.user = user
self.pswd = password
self.keepalive = keepalive
self.lw_topic = None
self.lw_msg = None
self.lw_qos = 0
self.lw_retain = False
def _send_str(self, s):
self.sock.write(struct.pack("!H", len(s)))
self.sock.write(s)
def _recv_len(self):
n = 0
sh = 0
while 1:
b = self.sock.read(1)[0]
n |= (b & 0x7f) << sh
if not b & 0x80:
return n
sh += 7
def set_callback(self, f):
self.cb = f
def set_last_will(self, topic, msg, retain=False, qos=0):
assert 0 <= qos <= 2
assert topic
self.lw_topic = topic
self.lw_msg = msg
self.lw_qos = qos
self.lw_retain = retain
def connect(self, clean_session=True):
self.sock = socket.socket()
addr = socket.getaddrinfo(self.server, self.port)[0][-1]
self.sock.connect(addr)
if self.ssl:
import ussl
self.sock = ussl.wrap_socket(self.sock, **self.ssl_params)
premsg = bytearray(b"\x10\0\0\0\0\0")
msg = bytearray(b"\x04MQTT\x04\x02\0\0")
sz = 10 + 2 + len(self.client_id)
msg[6] = clean_session << 1
if self.user is not None:
sz += 2 + len(self.user) + 2 + len(self.pswd)
msg[6] |= 0xC0
if self.keepalive:
assert self.keepalive < 65536
msg[7] |= self.keepalive >> 8
msg[8] |= self.keepalive & 0x00FF
if self.lw_topic:
sz += 2 + len(self.lw_topic) + 2 + len(self.lw_msg)
msg[6] |= 0x4 | (self.lw_qos & 0x1) << 3 | (self.lw_qos & 0x2) << 3
msg[6] |= self.lw_retain << 5
i = 1
while sz > 0x7f:
premsg[i] = (sz & 0x7f) | 0x80
sz >>= 7
i += 1
premsg[i] = sz
self.sock.write(premsg, i + 2)
self.sock.write(msg)
#print(hex(len(msg)), hexlify(msg, ":"))
self._send_str(self.client_id)
if self.lw_topic:
self._send_str(self.lw_topic)
self._send_str(self.lw_msg)
if self.user is not None:
self._send_str(self.user)
self._send_str(self.pswd)
resp = self.sock.read(4)
assert resp[0] == 0x20 and resp[1] == 0x02
if resp[3] != 0:
raise MQTTException(resp[3])
return resp[2] & 1
def disconnect(self):
self.sock.write(b"\xe0\0")
self.sock.close()
def ping(self):
self.sock.write(b"\xc0\0")
def publish(self, topic, msg, retain=False, qos=0):
pkt = bytearray(b"\x30\0\0\0")
pkt[0] |= qos << 1 | retain
sz = 2 + len(topic) + len(msg)
if qos > 0:
sz += 2
assert sz < 2097152
i = 1
while sz > 0x7f:
pkt[i] = (sz & 0x7f) | 0x80
sz >>= 7
i += 1
pkt[i] = sz
#print(hex(len(pkt)), hexlify(pkt, ":"))
self.sock.write(pkt, i + 1)
self._send_str(topic)
if qos > 0:
self.pid += 1
pid = self.pid
struct.pack_into("!H", pkt, 0, pid)
self.sock.write(pkt, 2)
self.sock.write(msg)
if qos == 1:
while 1:
op = self.wait_msg()
if op == 0x40:
sz = self.sock.read(1)
assert sz == b"\x02"
rcv_pid = self.sock.read(2)
rcv_pid = rcv_pid[0] << 8 | rcv_pid[1]
if pid == rcv_pid:
return
elif qos == 2:
assert 0
def subscribe(self, topic, qos=0):
assert self.cb is not None, "Subscribe callback is not set"
pkt = bytearray(b"\x82\0\0\0")
self.pid += 1
struct.pack_into("!BH", pkt, 1, 2 + 2 + len(topic) + 1, self.pid)
#print(hex(len(pkt)), hexlify(pkt, ":"))
self.sock.write(pkt)
self._send_str(topic)
self.sock.write(qos.to_bytes(1, "little"))
while 1:
op = self.wait_msg()
if op == 0x90:
resp = self.sock.read(4)
#print(resp)
assert resp[1] == pkt[2] and resp[2] == pkt[3]
if resp[3] == 0x80:
raise MQTTException(resp[3])
return
# Wait for a single incoming MQTT message and process it.
# Subscribed messages are delivered to a callback previously
# set by .set_callback() method. Other (internal) MQTT
# messages processed internally.
def wait_msg(self):
res = self.sock.read(1)
self.sock.setblocking(True)
if res is None:
return None
if res == b"":
raise OSError(-1)
if res == b"\xd0": # PINGRESP
sz = self.sock.read(1)[0]
assert sz == 0
return None
op = res[0]
if op & 0xf0 != 0x30:
return op
sz = self._recv_len()
topic_len = self.sock.read(2)
topic_len = (topic_len[0] << 8) | topic_len[1]
topic = self.sock.read(topic_len)
sz -= topic_len + 2
if op & 6:
pid = self.sock.read(2)
pid = pid[0] << 8 | pid[1]
sz -= 2
msg = self.sock.read(sz)
self.cb(topic, msg)
if op & 6 == 2:
pkt = bytearray(b"\x40\x02\0\0")
struct.pack_into("!H", pkt, 2, pid)
self.sock.write(pkt)
elif op & 6 == 4:
assert 0
# Checks whether a pending message from server is available.
# If not, returns immediately with None. Otherwise, does
# the same processing as wait_msg.
def check_msg(self):
self.sock.setblocking(False)
return self.wait_msg()