s3c2410_gpio_getpin()
时间: 2024-05-19 11:14:06 浏览: 147
s3c2410_gpio
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The s3c2410_gpio_getpin() function is a driver function used in the Linux kernel to retrieve the current value of a specific GPIO pin on the Samsung S3C2410 system-on-chip (SoC). The function takes two arguments: the GPIO number (0-31) and a pointer to an integer that will be used to store the pin value. The function returns 0 on success and a negative error code on failure.
The s3c2410_gpio_getpin() function is typically used in conjunction with other GPIO functions to configure and control GPIO pins, which are used for a variety of purposes such as controlling LEDs, reading button presses, and interfacing with other hardware components.
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