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Bruno; Assuming your ISR is as follows static void gpio_ISR(){,,,} Now install ISR using, int GpioFD; GpioFD = open(BSP_DEVICE_NAME_GPIO_D, NULL); archInstallISR(&(pArchInterrupts->MpioD), gpio_ISR); ioctl(GpioFD, GPIO_SETAS_GPIO, gpioPin(D,0)|gpioPin(D,1)|gpioPin(D,2)); ioctl(GpioFD, GPIO_SETAS_INPUT, gpioPin(D,0)|gpioPin(D,1)|gpioPin(D,2)); ioctl(GpioFD, GPIO_INTERRUPT_DETECTION_ACTIVE_HIGH, gpioPin(D,0)|gpioPin(D,1)|gpioPin(D,2)); ioctl(GpioFD, GPIO_INTERRUPT_ENABLE, gpioPin(D,0)|gpioPin(D,1)|gpioPin(D,2)); archEnableInt(); That's all. If one of three pins goes up, then interrupt will be triggered. JS Jongsoo Lim Design Eng Quantum Controls Inc. 1691 Lake Drive West, Chanhassen MN 55317 > -----Original Message----- > From: Bruno Tremblay [SMTP:] > Sent: Tuesday, October 12, 2004 1:37 PM > To: > Subject: [motoroladsp] Interrupt on a gpio state change > Hi, > > I want to use two GPIO pin as interrupt in my application. Since I didn't > found any information on how to do it with the SDK, I must write and find a > way to call an ISR on a pin change. For now, I know how to set the GPIO > registers and write my ISR. But I don't how to call the ISR. If there's a > way with the SDK can some one guide my on where can I find this information? > And what other way can I use? > > Thanks > > ------- > Bruno Tremblay, Ing/Eng > Gentec Inc. > Automatisme et Contre/Automation and Control > 2625 Dalton, Sainte-Foy > Quec, Canada G1P 3S9 > email: > web : www.gentec.ca > ------- > > > _____________________________________ > Note: If you do a simple "reply" with your email client, only the author of this message will receive your answer. You need to do a "reply all" if you want your answer to be distributed to the entire group. > > _____________________________________ > About this discussion group: > > To Join: > > To Post: > > To Leave: > > Archives: <http://www.yahoogroups.com/group/motoroladsp> > > More Groups: <http://www.dsprelated.com/groups.php3 > click here <http://us.ard.yahoo.com/SIG9btaic5/M)4855.5468653.6549235.3001176/D=groups\ /S05771855:HM/EXP97692986/A#76776/R=0/SIGldm1jvc/*http://promotions.y\ ahoo.com/ydomains2004/index.html> > <http://us.adserver.yahoo.com/l?M)4855.5468653.6549235.3001176/D=groups/S=:HM/\ A#76776/randS4167898> > > _____ > > >. > |