#include #include #define DCD_LED 17 int main() { if (gpioInitialise() < 0) { // pigpio initialisation failed. printf("pigpio failed"); } else { // pigpio initialised okay. gpioSetMode(DCD_LED, PI_OUTPUT); // Set DCD_LED as output gpioWrite(DCD_LED, 1); // Set DCD_LED high gpioSleep(PI_TIME_RELATIVE, 1, 0); // sleep for one second gpioWrite(DCD_LED, 0); // Set DCD_LED low gpioTerminate(); } }