흐음.. 한번 써봐야지
int waitForInterrupt (int pin, int timeOut) ;
gpio edge 0 falling
int wiringPiISR (int pin, int edgeType, void (*function)(void)) ;
INT_EDGE_FALLING
INT_EDGE_RISING
INT_EDGE_BOTH
INT_EDGE_SETUP
gpio edge <pin> rising/falling/both/none
This enables the given pin for edge interrupt triggering on the rising, falling or both edges. (Or none which disables it)
edge This exports a GPIO pin in the /sys/class/gpio directory, set the direction to input and set the edge interrupt method to none, rising, falling or both. Use like the export command above and note that BCM_GPIO pin number is used not not wiringPi pin numbering. Like the export commands above, ownership is set to that of the calling user, allowing subsequent access from user programs without requiring root/sudo. |
[링크 : http://wiringpi.com/reference/priority-interrupts-and-threads/]
[링크 : https://projects.drogon.net/raspberry-pi/wiringpi/functions/]
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