|
|
@@ -1,190 +1,77 @@
|
|
|
-import usocket as socket
|
|
|
-import ustruct as struct
|
|
|
-#from ubinascii import hexlify
|
|
|
+# Hardware Platform: FireBeetle-ESP32
|
|
|
+# Result: input MQTTlibrary and remote controls LED by mqtt communication.
|
|
|
+import uos
|
|
|
+from umqtt.simple import MQTTClient
|
|
|
+from machine import Pin
|
|
|
+import network
|
|
|
+import time
|
|
|
|
|
|
-class MQTTException(Exception):
|
|
|
- pass
|
|
|
+led = Pin(2, Pin.OUT, value=0)
|
|
|
|
|
|
-class MQTTClient:
|
|
|
+SERVER = 'mqtts.heclouds.com' # 服务器地址
|
|
|
+PRO_ID = '522417' # 产品ID
|
|
|
+DEV_NAME = 'esp8266' # 设备名称
|
|
|
+accesskey = "dgEP7iOL2/1kVNc1ykDvIhXSVqhb0tLnKinjU2RYpDs=" # 设备秘钥
|
|
|
|
|
|
- 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.addr = socket.getaddrinfo(server, port)[0][-1]
|
|
|
- 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
|
|
|
+TOPIC = b"esp-status"
|
|
|
+username = PRO_ID
|
|
|
+password = "version=2018-10-31&res=products%2F522417&et=1685551369&method=sha1&sign=9l9gkFQx7A%2B7B3fu8uU%2F089azps%3D"
|
|
|
|
|
|
- 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 data(ds_id, value):
|
|
|
+ message = {
|
|
|
+ "id": int(ds_id),
|
|
|
+ "dp": {
|
|
|
+ "count": [{ # 距离传感器采集的数据
|
|
|
+ "v": value
|
|
|
+ }],
|
|
|
+ "random": [{ # Python产生的随机数
|
|
|
+ "v": uos.urandom(2)[0]
|
|
|
+ }],
|
|
|
+ "talk": [{ # Python产生的随机数
|
|
|
+ "v": "fuck you bitch!%d" % (uos.urandom(2)[0])
|
|
|
+ }]
|
|
|
+ }
|
|
|
+ }
|
|
|
+ # print("publish:", message)
|
|
|
+ # message = json.dumps(message).encode('ascii')
|
|
|
+ # print("publish json:", bytes("{}".format(message), 'ascii'))
|
|
|
+ message = bytes("{}".format(message), 'utf8')
|
|
|
+ return message
|
|
|
|
|
|
- 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 my_mqtt():
|
|
|
+ client = None
|
|
|
+ # Catch exceptions,stop program if interrupted accidentally in the 'try'
|
|
|
+ try:
|
|
|
+ client = MQTTClient(client_id=DEV_NAME, server=SERVER, port=1883, user=username,
|
|
|
+ password=password, keepalive=360) # create a mqtt client
|
|
|
+ print("mqtt init")
|
|
|
+ client.connect() # connect mqtt
|
|
|
+ print("mqtt connect")
|
|
|
+ # client.subscribe(TOPIC) # client subscribes to a topic
|
|
|
+ # print("Connected to %s, subscribed to %s topic" % (SERVER, TOPIC))
|
|
|
|
|
|
- def connect(self, clean_session=True):
|
|
|
- self.sock = socket.socket()
|
|
|
- self.sock.connect(self.addr)
|
|
|
- if self.ssl:
|
|
|
- import ussl
|
|
|
- self.sock = ussl.wrap_socket(self.sock, **self.ssl_params)
|
|
|
- msg = bytearray(b"\x10\0\0\x04MQTT\x04\x02\0\0")
|
|
|
- msg[1] = 10 + 2 + len(self.client_id)
|
|
|
- msg[9] = clean_session << 1
|
|
|
- if self.user is not None:
|
|
|
- msg[1] += 2 + len(self.user) + 2 + len(self.pswd)
|
|
|
- msg[9] |= 0xC0
|
|
|
- if self.keepalive:
|
|
|
- assert self.keepalive < 65536
|
|
|
- msg[10] |= self.keepalive >> 8
|
|
|
- msg[11] |= self.keepalive & 0x00FF
|
|
|
- if self.lw_topic:
|
|
|
- msg[1] += 2 + len(self.lw_topic) + 2 + len(self.lw_msg)
|
|
|
- msg[9] |= 0x4 | (self.lw_qos & 0x1) << 3 | (self.lw_qos & 0x2) << 3
|
|
|
- msg[9] |= self.lw_retain << 5
|
|
|
- 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
|
|
|
+ topic_publish = '$sys/%s/%s/dp/post/json' % (username, DEV_NAME)
|
|
|
|
|
|
- def disconnect(self):
|
|
|
- self.sock.write(b"\xe0\0")
|
|
|
- self.sock.close()
|
|
|
+ count = 0
|
|
|
+ while True:
|
|
|
+ count += 1
|
|
|
+ value = uos.urandom(2)[0]
|
|
|
+ type(value)
|
|
|
+ payload = data(count, value)
|
|
|
+ client.publish(topic=topic_publish, msg=payload, qos=1)
|
|
|
+ print("topic_publish: ", topic_publish)
|
|
|
+ print("topic_publish: ", topic_publish)
|
|
|
+ print("payload: ", payload)
|
|
|
+ print("-------------------------------------------------------------------------------")
|
|
|
+ # client.wait_msg() # wait message
|
|
|
+ time.sleep(3)
|
|
|
|
|
|
- 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()
|
|
|
+ finally:
|
|
|
+ if(client is not None):
|
|
|
+ client.disconnect()
|
|
|
+
|
|
|
+
|
|
|
+if __name__ == '__main__':
|
|
|
+ my_mqtt()
|