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| Both sides previous revisionPrevious revisionNext revision | Previous revision | ||
| tools:mqtt_as [2020/08/18 06:35] – [MicroPython Asynchronous MQTT] darron | tools:mqtt_as [2020/08/18 23:41] (current) – external edit 127.0.0.1 | ||
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| MQTT library for MicroPython on the ESP8266 and ESP32 | MQTT library for MicroPython on the ESP8266 and ESP32 | ||
| + | ===Files=== | ||
| - | Files | + | ==ESP32== |
| + | |||
| + | boot.py is the MicroPython startup. The others are the MQTT demo. | ||
| < | < | ||
| Line 10: | Line 13: | ||
| config.py | config.py | ||
| mqtt_as.py | mqtt_as.py | ||
| + | test.py | ||
| + | </ | ||
| + | |||
| + | ==Shell== | ||
| + | |||
| + | These scripts to interact with the mosquitto MQTT broker. | ||
| + | |||
| + | < | ||
| pubtest | pubtest | ||
| subtest | subtest | ||
| - | test.py | ||
| </ | </ | ||
| + | ===boot.py=== | ||
| + | |||
| + | The ESP32 startup file which run our test after a short boot delay. | ||
| - | boot.py | ||
| < | < | ||
| # This file is executed on every boot (including wake-boot from deepsleep) | # This file is executed on every boot (including wake-boot from deepsleep) | ||
| Line 28: | Line 40: | ||
| </ | </ | ||
| - | test.py | + | ===test.py=== |
| + | |||
| + | Main executable called from startup. This demo is pulled from the README documentation with local changes. | ||
| + | |||
| + | Configure SERVER here. | ||
| < | < | ||
| from mqtt_as import MQTTClient | from mqtt_as import MQTTClient | ||
| Line 65: | Line 82: | ||
| </ | </ | ||
| - | config.py | + | ===config.py=== |
| + | |||
| + | mqtt_as configuration as found in distribution directory with mosquitto MQTT broker and wifi | ||
| + | changes. | ||
| + | |||
| + | Configure MQTT broker, ssid and password. | ||
| < | < | ||
| # config.py Local configuration for mqtt_as demo programs. | # config.py Local configuration for mqtt_as demo programs. | ||
| Line 104: | Line 127: | ||
| </ | </ | ||
| - | mqtt_as.py | + | ===mqtt_as.py=== |
| + | |||
| + | mqtt_as excecutable. This is the main logic which maintains a Wifi connection and publishes and subscribes to topics. | ||
| < | < | ||
| Line 110: | Line 135: | ||
| </ | </ | ||
| - | Run | + | ===Run=== |
| + | |||
| + | ==ESP32== | ||
| < | < | ||
| Line 182: | Line 209: | ||
| publish 0 | publish 0 | ||
| publish 1 | publish 1 | ||
| + | </ | ||
| - | Terminating... | + | ===subtest=== |
| - | Skipping tty reset... | + | |
| - | Thanks for using picocom | + | ==script== |
| + | |||
| + | Subscribe to the topic named ' | ||
| + | |||
| + | < | ||
| + | #! /bin/bash | ||
| + | mosquitto_sub -h 192.168.0.13 -t result | ||
| </ | </ | ||
| - | subtest | + | ==Shell output== |
| + | |||
| + | Running status for the result topic. | ||
| < | < | ||
| 0 | 0 | ||
| Line 194: | Line 231: | ||
| </ | </ | ||
| - | pubtest | + | ===pubtest=== |
| + | |||
| + | ==script== | ||
| + | |||
| + | Publish two messages to the topic named ' | ||
| + | |||
| + | < | ||
| + | #! /bin/bash | ||
| + | # mosquitto_sub -h 192.168.0.10 -t result | ||
| + | while : | ||
| + | do | ||
| + | mosquitto_pub -h 192.168.0.13 -t foo_topic -m " | ||
| + | sleep 5 | ||
| + | mosquitto_pub -h 192.168.0.13 -t foo_topic -m "pete was here" -q 1 | ||
| + | sleep 5 | ||
| + | done | ||
| + | </ | ||
| + | |||
| + | ==ESP32 output== | ||
| + | |||
| + | Show running status on the ESP32 and incoming subscription topics. | ||
| < | < | ||
| Line 210: | Line 267: | ||
| [[https:// | [[https:// | ||
| + | |||
