int main(int argc, char **argv, char **envp) { int i; int sts; if (argc < 2) { printf("Usage: gpio <pin>\n"); printf(" pin as \"P1_17\"\n" ); exit(-1); } GPIO::GPIOManager* gp = GPIO::GPIOManager::getInstance(); int pin = GPIO::GPIOConst::getInstance()->getGpioByKey(argv[1]); printf("Pin is %d\n", pin ); sts = gp->getDirection(pin ); printf("Direction is %d\n", sts ); sts = gp->getValue(pin ); printf("Value is %d\n", sts ); sts = gp->setDirection(pin, 1 ); for ( i = 0 ; i < 100 ; i++ ) { gp->setValue(pin, (i & 1 )); usleep(1000 ); } gp->~GPIOManager(); return 0; }
int main() { GPIO::GPIOManager* gp = GPIO::GPIOManager::getInstance(); int pin = GPIO::GPIOConst::getInstance()->getGpioByKey("P8_13"); gp->exportPin(pin); gp->setDirection(pin, GPIO::OUTPUT); while(true) { sleep(1); gp->setValue(pin, GPIO::HIGH); sleep(1); gp->setValue(pin, GPIO::LOW); } gp->~GPIOManager(); return 0; }