Differences
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en:gpiomem [2017/02/03 11:30] charles.park |
en:gpiomem [2017/02/03 14:51] brian.kim [Rootless GPIO access: /dev/gpiomem] |
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| ===== Rootless GPIO access: /dev/gpiomem ===== | ===== Rootless GPIO access: /dev/gpiomem ===== | ||
| ///dev/gpiomem// provides user with root-free access to the GPIO registers. Opening ///dev/gpiomem// device file and calling //mmap()// function will map the GPIO registers' memory map area to the user's pointer.\\ | ///dev/gpiomem// provides user with root-free access to the GPIO registers. Opening ///dev/gpiomem// device file and calling //mmap()// function will map the GPIO registers' memory map area to the user's pointer.\\ | ||
| - | This driver is added in below's Ubuntu kernel versions: | + | This driver is available in below's Ubuntu kernel versions: |
| * ODROID-C2: 3.14.79-105 kernel version or later | * ODROID-C2: 3.14.79-105 kernel version or later | ||
| * ODROID-C0/C1+: 3.10.104-182 kernel version or later | * ODROID-C0/C1+: 3.10.104-182 kernel version or later | ||
