Watchdog Overview Function A watchdog, also called a watchdog timer, is a hardware timing device used to facilitate automatic correction of temporary hardware faults or recover from system malfunction
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openharmony 鸿蒙 driver-platform-uart-develop
UART Overview Function The Universal Asynchronous Receiver/Transmitter (UART) is a universal serial data bus used for asynchronous communication. It enables bi-directional communication between device
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openharmony 鸿蒙 driver-platform-uart-des
UART Overview Function The Universal Asynchronous Receiver/Transmitter (UART) is a universal serial data bus used for asynchronous communication. It enables bi-directional communication between device
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openharmony 鸿蒙 driver-platform-spi-develop
SPI Overview Serial Peripheral Interface (SPI) is a serial bus specification used for high-speed, full-duplex, and synchronous communication. In the Hardware Driver Foundation (HDF), the SPI module us
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openharmony 鸿蒙 driver-platform-spi-des
SPI Overview Serial Peripheral Interface (SPI) is a serial bus specification used for high-speed, full-duplex, and synchronous communication. SPI is developed by Motorola. It is commonly used for comm
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openharmony 鸿蒙 driver-platform-sdio-develop
SDIO Overview A Secure Digital Input Output (SDIO) card is an extension of the SD specification to cover I/O functions. SD and SDIO cards are called multimedia cards (MMCs). In the Hardware Driver Fou
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openharmony 鸿蒙 driver-platform-sdio-des
SDIO Overview Secure Digital Input/Output (SDIO) is a peripheral interface evolved from the Secure Digital (SD) memory card interface. The SDIO interface is compatible with SD memory cards and can be
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openharmony 鸿蒙 driver-platform-rtc-develop
RTC Overview The real-time clock (RTC) is a real-time clock device in the operating system. In the Hardware Driver Foundation (HDF), the RTC uses the independent service mode for API adaptation. In th
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openharmony 鸿蒙 driver-platform-rtc-des
RTC Overview The real-time clock (RTC) provides precise real time for the operating system (OS) and scheduled alarming function. When the device is powered off, the RTC can accurately keep track of th
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openharmony 鸿蒙 driver-platform-regulator-develop
Regulator Overview Regulator The regulator module controls the voltage and current supplies of some devices in the system. In an embedded system (especially a mobile phone), it is important to control
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