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Link to original content: http://github.com/rkt0589/gpio_sysfs
GitHub - rkt0589/gpio_sysfs: simple gpio using sysfs in c
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Simple GPIO using sysfs in Linux C.

Export pin as gpio to '/sys/class/gpio/export'

param in: GPIO or Pin number to be exported

void export_gpio(int pin)

Set pin direction as output or Input

param pin: pin/gpio numberr which is exported

param direction: 1 for output 0 for Input

void set_pin_direction(int pin, int direction)

Set pin level to high or low

param pin: pin/gpio numberr which is exported and direction set

param level: 1 logic high 0 logic low

void set_pin_level(int pin, int level)

Read Pin level of passed pin/gpio

param pin: pin/gpio numberr which is exported and direction set

return: 1 for logic high 0 logic low

int get_pin_level(int pin)

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