Sysfs was used to control GPIOs on Linux system with the GPIOs defined in /sys/class/gpio, but starting with Linux 4.8, a new GPIO interface for user space was introduced, with gpiochip becoming char ...
[Andreas] has created this tutorial on real-time (RT) tasks in Linux. At first blush that sounds like a rather dry topic, but [Andreas] makes things interesting by giving us some real-world demos ...
#define SGPIO_G7_IRQ_STS_OFFSET(x) (SGPIO_G7_IRQ_STS_BASE + (x) * 0x4) #define SGPIO_G7_CTRL_REG_BASE 0x80 #define SGPIO_G7_CTRL_REG_OFFSET(x) (SGPIO_G7_CTRL_REG_BASE ...
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