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Smartsleep with 20ms polling Timer1 ISR

stefaanv last edited by

I'm developming a node that polls a sensor every 20ms through a Timer1 interrupt. The main loop of the program has a 1000ms wait/sleep cycle that decides whether or not to send MySensors messages depending on the sensor value.
In orde to preserve energy, I'd like to use smart sleep.

My question is, will smartSleep work in together with the faster interrupt cycle ? I assume the interrupt will wake the node from smart sleep, but what happens at the end of the interrupt service routine ?
Does smartSleep resume automatically ?
Or should I call smartSleep at the end of the ISR ? Does that make sense ? Will smartSleep work properly when it is called every 20 ms ?
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Just for completeness: the right way to do this is to add the json under ~/.platformio/boards and the other files as described in https://community.platformio.org/t/how-use-a-same-chip-but-with-different-environment/18082/4
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@bgunnarb I like @eiten 's solution for you. Personally, I am not a fan of using cloud/public brokers. Thus I am curious about your system and there is something about it from which I can learn. I would like to understand why you cannot deploy your own mosquitto broker. I see your set up as 3 sensor groups defined by the channel used #define MY_RF24_CHANNEL ChannelOfSensorGroup Each sensor group has some number of sensors and one MQTT GW on ESP8266. On the MQTT side, do you distinguish between gateways by using a different host name? Something like: #define MY_MQTT_PUBLISH_TOPIC_PREFIX "mygateway-nOf3-out" #define MY_MQTT_SUBSCRIBE_TOPIC_PREFIX "mygateway-nOf3-in" #define MY_MQTT_CLIENT_ID "mysensors-nOf3" #define MY_HOSTNAME "ESP8266_MQTT_GW_nOf3" //#define MY_CONTROLLER_IP_ADDRESS 192, 168, 178, 68 #define MY_CONTROLLER_URL_ADDRESS "test.mosquitto.org" #define MY_PORT 1883 I must assume your controller (aka Home Assistant) discriminates between through which gateway the data is to flow by way of the different topic names. If my "something like" is correct, then changing brokers is changing the IPaddress/URL in your gateways and in your controller (though if the controller is Home Assistant, it may be a bother because the device-id's may change which will make a mess of all the work you've done in HA. This is why I like @eiten 's solution.) I hope it's all working for you again. OSD
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@eiten said in Saving last known good state, but not in EEPROM: utility meter in home assistant This is exactly what I am seeking! Thank you! PS I truly enjoy reverse translating! It teaches me how to better understand my first language and it gives me alternate words to use in searches. So a second thank you! "Regelmässiges Zurücksetzen" would be best translated to English in this context as "Periodic Reset". In the English version of Home Assistant it is called "Meter reset cycle" (I remember seeing "keep dry" translated as "do not take in shower with you"
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@mfalkvidd Thank you very much, that's exactly what I was looking for!

Smartsleep with 20ms polling Timer1 ISR

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Smartsleep with 20ms polling Timer1 ISR

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