Hi, Write an ioctl method in your module. And provide provision in ioctl to take a function pointer & store it. Whenever there is an timer interrupt, check for this pointer, if not NULL , then you can call the function. When your application comes up, makesure u pass the command to ioctl of your module with the function pointer as arg.
Hope this help ! Regards Sampath ----- Original Message ----- From: Juergen Oberhofer <[EMAIL PROTECTED]> To: <linuxppc-embedded at lists.linuxppc.org> Sent: Thursday, November 27, 2003 9:37 PM Subject: mpc / linux kernel - user space > > Hi, > > I have a module and an application program in user space: > > The Module performs the following task: at init it initializes the cpm > timer register of the mpc823, > such that an interrupt is generated every x microseconds. Thus, I > installed an interrupt handling function f that handles the timer > interrupts. > > My problem is that the module / the interrupt handling function should > execute a procedure defined in the application program. How can I pass a > pointer (which points to that function) from the appl.program to the > module, such that the handler can execute this function every x > milliseconds? I thought to create a procedure in the module that accepts > a function pointer as argument. But how can I achieve, that this module > procedure is visible to the application program? Does somebody have a > suggestion or know another way to do it? > > Regards, > Juergen > > > ** Sent via the linuxppc-embedded mail list. See http://lists.linuxppc.org/
