Differences
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| Both sides previous revision Previous revision Next revision | Previous revision Next revision Both sides next revision | ||
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en:c1_hardware_irq [2015/06/16 09:28] odroid [Hardware GPIO-IRQ] |
en:c1_hardware_irq [2016/04/26 11:51] charles.park [Hardware GPIO-IRQ] |
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| If you use the Both (rising and falling together) edge triggers, the maximum number is only 4. | If you use the Both (rising and falling together) edge triggers, the maximum number is only 4. | ||
| - | You must use the **Linux 3.10.79-87 June** or higher to use the GPIO interrupt in the user-land. | + | You must use the **Linux 3.10.96-149 Apr** or higher to use the GPIO interrupt in the user-land. |
| ===== Usage ===== | ===== Usage ===== | ||
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| === GPIO Export === | === GPIO Export === | ||
| - | echo [GPIO Number(Refer **[[en:c1_hardware|Expansion Connectors]]** )] > /sys/class/aml_gpio/export | + | echo [GPIO Number(Refer **[[en:c1_hardware#expansion_connectors]]** )] > /sys/class/aml_gpio/export |
| e.g) GPIOY.BIT3 Export (Pin Number 7) | e.g) GPIOY.BIT3 Export (Pin Number 7) | ||
