int main(int argc, char ** argv)
{
int pin = GPIO_PIN(7);
int i, value, board;
int ret = -1;
if ((board = boardInit()) < 0) {
printf("Fail to init board\n");
return -1;
}
if (board == BOARD_NANOPC_T2 || board == BOARD_NANOPC_T3)
pin = GPIO_PIN(15);
if (argc == 2)
pin = GPIO_PIN(atoi(argv[1]));
if ((ret = exportGPIOPin(pin)) == -1) {
printf("exportGPIOPin(%d) failed\n", pin);
}
if ((ret = setGPIODirection(pin, GPIO_OUT)) == -1) {
printf("setGPIODirection(%d) failed\n", pin);
}
for (i = 0; i < STATUS_CHANGE_TIMES; i++) {
if (i % 2) {
value = GPIO_HIGH;
} else {
value = GPIO_LOW;
}
if ((ret = setGPIOValue(pin, value)) > 0) {
printf("%d: GPIO_PIN(%d) value is %d\n", i+1, pin, value);
} else {
printf("setGPIOValue(%d) failed\n", pin);
}
sleep(1);
}
unexportGPIOPin(pin);
return 0;
}
void doorbell_deinit() {
sensorDeinit(devFD);
PWMStop(BUZZERpin);
unexportGPIOPin(LEDpin);
}
void THmonitoring_deinit() {
PWMStop(BUZZERpin);
unexportGPIOPin(LEDpin);
LCD1602DeInit(devFD_LCD);
dht11DeInit(devFD_DHT11);
}