2009-01-09 05:18:43 Question about GPIO interrupt
Yi Li (CHINA)
Message: 67701
Question From a developer:
"
HI:
想请教uClinux中中断的问题。
在BF537上,如果我Register一个chrdev,想用request_irq请求分配中断。PG3产生Level中断、PF4到PF7产生Edge中断,并且根据中断源的不同,做不同的处理。能否实现这样的操作?怎样实现?
"
For GPIO Interrupt handling, please refer to: http://docs.blackfin.uclinux.org/doku.php?id=linux-kernel:interrupts#gpio_interrupt_processing