Cback Nbiot

案例程序

from m5stack import *
from m5ui import *
from uiflow import *
import hat

setScreenColor(0xffffff)

nb = hat.get(hat.CBACK_NBIOT)

nb_topic = None
nb_msg = None
counter = None
previous = None

import random


def hat_cbacknbiot_mqtt_cb(nb_mq_topic, nb_mq_payload):
  global nb_topic, nb_msg, counter, previous
  nb_topic = nb_mq_topic
  nb_msg = nb_mq_payload
  print(nb_topic)
  print(nb_msg)
  pass

def buttonA_wasPressed():
  global nb_topic, nb_msg, counter, previous
  counter = random.randint(100000, 999999)
  print(counter)
  label2.setText(str(counter))
  pass
btnA.wasPressed(buttonA_wasPressed)

counter = 0
previous = 0
nb.mqtt_to_connect('mqtt.m5stack.com', 1883, 'm5_mqtt999', '', '', 120)
if nb.mqtt_check_connection():
  print('Connected')
while not (nb.mqtt_subscribe('SubTopic', hat_cbacknbiot_mqtt_cb, 0)):
  nb.mqtt_unsubscribe('SubTopic')
print('Subscribed')
while True:
  nb.mqtt_poll()
  if counter != previous:
    nb.mqtt_publish('PubTopic', str(counter), 0)
    previous = counter
  wait_ms(2)

功能说明

• uiflow_block_hat_cbacknbiot_coap_init_ip

• uiflow_block_cbacknbiot_ezdata_async_get_value

• uiflow_block_hat_cbacknbiot_check_gprs_network_registration

• uiflow_block_hat_cbacknbiot_check_network_registration

• uiflow_block_hat_cbacknbiot_check_single_quality

• uiflow_block_hat_cbacknbiot_check_status

• uiflow_block_hat_cbacknbiot_coap_destroy

• uiflow_block_hat_cbacknbiot_coap_get

• uiflow_block_hat_cbacknbiot_coap_post

• uiflow_block_hat_cbacknbiot_coap_put

• uiflow_block_hat_cbacknbiot_destroy_https

• uiflow_block_hat_cbacknbiot_disconnect_server

• uiflow_block_hat_cbacknbiot_ezdata_remove

• uiflow_block_hat_cbacknbiot_ezdata_save

• uiflow_block_hat_cbacknbiot_get_ccid

• uiflow_block_hat_cbacknbiot_get_imei

• uiflow_block_hat_cbacknbiot_http_services

• uiflow_block_hat_cbacknbiot_modem_power

• uiflow_block_hat_cbacknbiot_mqtt_check_connection

• uiflow_block_hat_cbacknbiot_mqtt_connect

• uiflow_block_hat_cbacknbiot_mqtt_disconnect

• uiflow_block_hat_cbacknbiot_mqtt_poll

• uiflow_block_hat_cbacknbiot_mqtt_publish

• uiflow_block_hat_cbacknbiot_mqtt_sub

• uiflow_block_hat_cbacknbiot_mqtt_sub_cb

• uiflow_block_hat_cbacknbiot_mqtt_unsubscribe

• uiflow_block_hat_cbacknbiot_power_down_module

• uiflow_block_hat_cbacknbiot_reset_module

• uiflow_block_hat_cbacknbiot_set_echo_mode