translator, wb_editors
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Matveevrj (обсуждение | вклад) (Новая страница: «Most of the peripherals described in this article are also described in the /wirenboard node in the controller's Device Tree. Services wb-mqtt-gpio, wb-mqtt-adc, etc. [https://github.com/wirenboard/wb-mqtt-gpio/blob/master/generate-system-config.sh take] the description of the peripherals from there, reading the description every time the controller starts. This method is also preferred for third party software to maintain compatibility with past and future...») |
Matveevrj (обсуждение | вклад) (Новая страница: «<h2> Working with GPIOs in Linux </h2> '''GPIO ''' (''General-purpose input / output - general-purpose input / output'') is an electrical circuit contact that can take one of two logical states - one or zero. The user can set and read the GPIO state.») |
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'''GPIO ''' (''General-purpose input / output - general-purpose input / output'') is an electrical circuit contact that can take one of two logical states - one or zero. The user can set and read the GPIO state. | '''GPIO ''' (''General-purpose input / output - general-purpose input / output'') is an electrical circuit contact that can take one of two logical states - one or zero. The user can set and read the GPIO state. | ||
In different devices, a high logic level can be represented by different voltages - keep an eye on this. In Wiren Board controllers, the logical unit is 3.3 V. | |||
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