From e02e94ba6738c6ee2eb14e2d082c1cea827fb5f4 Mon Sep 17 00:00:00 2001 From: Andreas Wrede Date: Mon, 7 Dec 2020 05:16:17 -0500 Subject: [PATCH] Discovery of sensors on DS2409 MicroLan (#15817) --- source/_integrations/onewire.markdown | 11 ++++++++++- 1 file changed, 10 insertions(+), 1 deletion(-) diff --git a/source/_integrations/onewire.markdown b/source/_integrations/onewire.markdown index 7752d7ecffb..1f2520449d4 100644 --- a/source/_integrations/onewire.markdown +++ b/source/_integrations/onewire.markdown @@ -50,6 +50,13 @@ Each 1-wire component data sheet describes the different properties the componen | 12 | [DS2406](https://datasheets.maximintegrated.com/en/ds/DS2406.pdf) | 2 latches (latch.A/B) and 2 PIOs (PIO.A/B) [4](#note_4) | | 29 | [DS2408](https://datasheets.maximintegrated.com/en/ds/DS2408.pdf) | 8 latches (latch.0-7) and 8 PIOs (PIO.0/7) [4](#note_4) | +#### Bridges: + +| Family | Device | Physical Quantity | +| -------|:-----|:-----| +| 1F | [DS2409](https://datasheets.maximintegrated.com/en/ds/DS2409.pdf) | None [5](#note_5) + + Notes: - The TAI-8570 Pressure Sensor is based on a 1-wire composite device by AAG Electronica. It contains, above 1-wire components, also a barometer, hygrometer and illuminance sensors. This onewire platform can read and present values from that device, but the sensors will default to disabled [4](#note_4). @@ -61,6 +68,8 @@ Notes: - Some sensors are disabled by default to avoid overloading the bus. These can be activated by opening the integrations page in your configuration, listing your 1-Wire integration devices and updating the entity. +- Bridge devices have no sensors. The `aux` and `main` branches are searched for additional 1-wire devices during discovery. + ## Interfacing with the 1-wire bus The 1-Wire bus can be connected directly to the IO pins of Raspberry Pi or by using a dedicated interface adapter, for example @@ -130,7 +139,7 @@ sensor: ### Entities and attributes -Upon startup of the platform, the 1-wire bus is searched for available 1-wire devices. For each device that this platform handles (see list of supported devices above), the platform adds one sensor for each physical quantity it measures. The name of the sensor is the device ID with the physical quantity it measures appended. +Upon startup of the platform, the 1-wire bus is searched for available 1-wire devices. On Bridge devices, the `aux` and `main` branches are recursively searched. For each device that this platform handles (see list of supported devices above), the platform adds one sensor for each physical quantity it measures. The name of the sensor is the device ID with the physical quantity it measures appended. Unsupported sensors are noted with a warning message in the log. `sensor.28.FF5C68521604_temperature`