[ECOS] question about interrupt service?

Jonathan Larmour jlarmour@redhat.com
Tue Nov 20 20:16:00 GMT 2001


li hui wrote:
> 
> I try to write a mouse driver for ecos(i386).I meet a
> problem, I can't make my interrupt routine response
> the interrupt.my code is bleow,please give me some
> advice.
> 
> #define MOUSE_BASE 0x300
> #define MOUSE_IRQ  CYGNUM_HAL_INTERRUPT_COM2  //35
> static cyg_uint32  isr(cyg_vector_t
> vector,cyg_addrword_t data)
> {
>         return 1;
> }

You should return  CYG_ISR_HANDLED|CYG_ISR_CALL_DSR otherwise your DSR
won't be called.

Jifl
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