Linux GPIO Programming with sysfs Interface
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2 سال پیش
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There are different ways to
There are different ways to access GPIO hardware. sysfs is a simple method supported by the Linux kernel that makes the devices visible in the file system.
The basic steps for using a GPIO pin from the sysfs interface:
1 - Export the pin.
2 - Set the pin as input or output.
3 - If the pin is output, set the level to low(0) or high(1).
4 - If the pin is input, read the pin's level.
5 - When finished, unexport the pin.
#raspberrypi
The basic steps for using a GPIO pin from the sysfs interface:
1 - Export the pin.
2 - Set the pin as input or output.
3 - If the pin is output, set the level to low(0) or high(1).
4 - If the pin is input, read the pin's level.
5 - When finished, unexport the pin.
#raspberrypi
2 سال پیش
در تاریخ 1401/09/10 منتشر شده
است.
791
بـار بازدید شده