Differences
This shows you the differences between two versions of the page.
Both sides previous revision Previous revision | |||
en:c2_hardware_irq [2017/03/02 11:05] odroid [Hardware GPIO-IRQ] |
en:c2_hardware_irq [2017/03/08 08:00] (current) odroid [Hardware GPIO-IRQ] |
||
---|---|---|---|
Line 6: | Line 6: | ||
Please note that SD card driver is using 2 interrupts to implement the card detection (insertion/remove) by default.\\ | Please note that SD card driver is using 2 interrupts to implement the card detection (insertion/remove) by default.\\ | ||
- | So __**we can use only GPIO 6 IRQs**__. | + | So __**we can use only GPIO 6 IRQs**__. \\ |
+ | If you use an eMMC without SD card, you can access full 8 GPIO IRQs once you [[http://forum.odroid.com/viewtopic.php?f=136&t=26055&p=182162#p182037|disable the SD functionality]]. | ||
You must use the **Linux Kernel 3.14.29-56 Apr** or higher to use the GPIO interrupt in the user-land. | You must use the **Linux Kernel 3.14.29-56 Apr** or higher to use the GPIO interrupt in the user-land. |