{"id":3220,"date":"2024-01-05T15:05:44","date_gmt":"2024-01-05T13:05:44","guid":{"rendered":"https:\/\/iot-devices.com.ua\/?p=3220"},"modified":"2024-01-05T15:08:37","modified_gmt":"2024-01-05T13:08:37","slug":"about-changes-in-esphome-configuration-validation-pin-reuse-validation-en","status":"publish","type":"post","link":"https:\/\/iot-devices.com.ua\/en\/about-changes-in-esphome-configuration-validation-pin-reuse-validation-en\/","title":{"rendered":"About changes in ESPHome configuration validation – Pin Reuse validation"},"content":{"rendered":"\n

Recently, the ESPHome firmware has been changed to prevent the same controller I\/O ports from being reused to create different entities.<\/p>\n\n

\"\"\/<\/figure>\n\n

This mechanism is called Pin Reuse validation: https:\/\/esphome.io\/changelog\/2023.12.0.html#pin-reuse-validation<\/p>\n\n

\"\"\/<\/figure>\n\n

These updates in ESPHome version 2023.12.0 also affected the examples developed by our company for the GGreg20_V3 Geiger counter ionizing radiation detector module. <\/p>\n\n

\"\"\/<\/figure>\n\n

According to the user’s request (https:\/\/github.com\/iotdevicesdev\/GGreg20_V3-ESP32-HomeAssistant-ESPHome\/issues\/2) regarding the repository for GGreg20_V3-ESP32-HomeAssistant-ESPHome, we have made the necessary updates to the configuration YAML file. <\/p>\n\n

Now this example will work properly with the new ESHome configuration validation and you will be able to upgrade to newer versions of ESPHome without any problems.<\/p>\n\n

We also plan to update other repositories with this issue.<\/p>\n\n

You can also make changes to your ESPHome YAML configuration files yourself. <\/p>\n\n

As of now, we know of two ways to fix the configuration so that it passes the new configuration validation rules:<\/p>\n\n

Way #1.<\/strong> If you need to reuse the pin, use https:\/\/esphome.io\/components\/copy.html instead<\/p>\n\n

This is the more correct path that we recommend using.<\/p>\n\n

For sensor entities:<\/p>\n\n

https:\/\/esphome.io\/components\/copy.html#copy-sensor<\/a><\/p>\n\n

For binary sensor entities:<\/p>\n\n

https:\/\/esphome.io\/components\/copy.html#copy-binary-sensor<\/a><\/p>\n\n

An example of the code you should get is given here:<\/p>\n\n

https:\/\/github.com\/iotdevicesdev\/GGreg20_V3-ESP32-HomeAssistant-ESPHome\/issues\/2#issuecomment-1867814996<\/a><\/p>\n\n

Way #2.<\/strong> You can also use the exception described in the ESPHome Pin Schema document:<\/p>\n\n

https:\/\/esphome.io\/guides\/configuration-types#config-pin-schema<\/a><\/p>\n\n

config key: “allow_other_uses”<\/p>\n\n

You can use this config key to override the control of reusing pins in exceptional situations. <\/p>\n\n

Please note that the key must be specified not only in duplicate entities, but in each entity where a particular pin is used for the configuration to pass validation:<\/p>\n\n

Wrong keys:<\/p>\n\n

\"\"\/<\/figure>\n\n

Right keys:<\/p>\n\n

\"\"\/<\/figure>\n\n

You should get the following code using the “alow_other_uses” key:<\/p>\n\n

# YAML code example:\n- platform: pulse_counter\n    pin: \n      number: GPIO2\n      allow_other_uses: true\n    state_class: \"measurement\"\n    unit_of_measurement: 'CPM'\n    name: 'Ionizing Radiation Power CPM'\n    count_mode: \n      rising_edge: DISABLE\n      falling_edge: INCREMENT # GGreg20_V3 uses Active-Low logic\n  # It seems that only one instance of pulse counter internal filters can be set\n  # So here no any debounce filters for CPM value \n    use_pcnt: False\n    internal_filter: 180us\n    update_interval: 60s\n    accuracy_decimals: 0\n    id: my_cpm_meter\n \n  - platform: pulse_counter\n    pin:\n      number: GPIO2\n      allow_other_uses: true\n      inverted: True\n      mode: \n        input: True \n        pullup: False\n        pulldown: False\n    unit_of_measurement: 'uSv\/Hour'\n    name: 'Ionizing Radiation Power'\n    count_mode: \n      rising_edge: DISABLE\n      falling_edge: INCREMENT\n    update_interval: 60s\n    accuracy_decimals: 3\n    id: my_dose_meter\n    filters:\n  #    - sliding_window_moving_average: # 5-minutes moving average (MA5) here\n  #        window_size: 5\n  #        send_every: 1      \n      - multiply: 0.0057 # or 0.00332 for J305 by IoT-devices tube conversion factor of pulses into uSv\/Hour\n# END of YAML code example\n<\/pre>\n\n
You can choose which of the methods suits your DIY project.<\/p>\n\n
That’s all. Good luck!<\/p>\n","protected":false},"excerpt":{"rendered":"
Recently, the ESPHome firmware has been changed to prevent the same controller I\/O ports from being reused to create different entities. This mechanism is called Pin Reuse validation: https:\/\/esphome.io\/changelog\/2023.12.0.html#pin-reuse-validation These updates in ESPHome version 2023.12.0 also affected the examples developed by our company for the GGreg20_V3 Geiger counter ionizing radiation detector module. According to the 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