Function rc_gpio_set_value¶
Defined in File gpio.h
Function Documentation¶
-
int rc_gpio_set_value(int chip, int pin, int value)¶
Sets the value of a GPIO pin when in output mode.
must call rc_gpio_init with the OUTPUT flag first.
- Parameters
chip – [in] The chip number, /dev/gpiochipX
pin – [in] The pin ID
value – [in] 0 for off (inactive), nonzero for on (active)
- Returns
0 on success or -1 on failure