UIFlow Guide
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2. Firmware & Program 1.0
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Event
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Unit
Module
Hat
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2. Firmware & Program 2.0
Desktop IDE
Unit NbIoT
Example
CoAP test
from m5stack import *
from m5stack_ui import *
from uiflow import *
import unit
screen = M5Screen()
screen.clean_screen()
screen.set_screen_bg_color(0xFFFFFF)
NBIoT_0 = unit.get(unit.NBIOT, unit.PORTA)
if NBIoT_0.coap_connect('120.77.157.90', 5683):
print(NBIoT_0.coap_get('/m5stack-get'))
print(NBIoT_0.coap_post('/m5stack-post', 'post-test', content_format=0))
print(NBIoT_0.coap_put('/m5stack-put', 'put-test', content_format=0))API
NBIoT_0.uart_port_id(1)- Configure Core UART Interface ID
print((str('GPRS:') + str((NBIoT_0.get_gprs_network_registration()))))- Check GPRS Network Registration Status
print((str('network registration:') + str((NBIoT_0.get_network_registration()))))- Check Network Registration Status
print((str('single quality:') + str((NBIoT_0.get_single_quality()))))- Check Signal Quality
print((str('status:') + str((NBIoT_0.check_status()))))- Check Module Operating Status
print((str('connect status:') + str((NBIoT_0.coap_connect('', 5683)))))- Establish CoAP Connection to Specified IP and Port
print((str('destroy status:') + str((NBIoT_0.coap_destroy()))))- Terminate CoAP Connection
print((str('get status:') + str((NBIoT_0.coap_get('')))))- Initiate Unencrypted CoAP GET Request to Specified URL
print((str('post status:') + str((NBIoT_0.coap_post('', '', content_format=0)))))- Send Plain Text POST Request to Specified URL
print((str('put status:') + str((NBIoT_0.coap_put('', '', content_format=0)))))- Send Plain Text PUT Request to Specified URL
print((str('is connection:') + str((NBIoT_0.mqtt_check_connection()))))- Check MQTT Connection Status
NBIoT_0.mqtt_connect('', 1883, '', '', '', 0)- Configure MQTT Server Parameters (Address, Port, Client ID, Username, Password, Keepalive)
- server
- port
- client id
- username
- passwd
- keepalive
NBIoT_0.mqtt_disconnect()- Disconnect MQTT Connection
NBIoT_0.mqtt_poll()- Poll for Incoming MQTT Messages
NBIoT_0.mqtt_publish('', '', 0)- Publish MQTT Message to Subscribed Topic
- topic: MQTT topic
- payload: Message content
- QoS: Quality of Service Level
print((str('MQTT subscribe:') + str((NBIoT_0.mqtt_subscribe('', unit_nbiot_mqtt_cb, 0)))))- Subscribe to Topic with QoS Level
def unit_nbiot_mqtt_cb(nb_mq_topic, nb_mq_payload):
global nb_topic, nb_msg
nb_topic = nb_mq_topic
nb_msg = nb_mq_payload
pass- Set Callback Function for Subscribed Topic
NBIoT_0.mqtt_unsubscribe('')- Unsubscribe from Topic
NBIoT_0.poweroff()- Power Off Module
NBIoT_0.reset()- Reset Module
print((str('echo module:') + str((NBIoT_0.set_command_echo_mode(0)))))- Enable/Disable AT Command Echo