/* This is an entry point for the application.
All application specific initialization is performed here. */
int main(void)
{
int ret = 0;
/* Initializes console on UART0 */
ret = wmstdio_init(UART0_ID, 0);
if (ret == -WM_FAIL) {
wmprintf("Failed to initialize console on uart0\r\n");
return -1;
}
wmprintf(" LED demo application started\r\n");
wmprintf(" This application demonstrates the"
" use of blinking led\r\n");
gpio_led = (board_led_2()).gpio;
wmprintf(" LED Pin : %d\r\n", gpio_led);
configure_gpios();
while (1) {
gpio_led_on();
os_thread_sleep(os_msec_to_ticks(1000));
gpio_led_off();
os_thread_sleep(os_msec_to_ticks(1000));
}
return 0;
}
/* This function is called when push button is pressed*/
static void pushbutton_cb(int pin, void *data)
{
if (gpio_led_state)
gpio_led_off();
else
gpio_led_on();
}
static void prvBlinkLedTask( void *pvParameters )
{
while (1)
{
gpio_led_on();
vTaskDelay(os_msec_to_ticks(1000));
gpio_led_off();
vTaskDelay(os_msec_to_ticks(1000));
}
}
static stat_t _alarm_idler(void)
{
if (cm_get_machine_state() != MACHINE_ALARM) { return (STAT_OK);}
if (--tg.led_counter < 0) {
tg.led_counter = LED_COUNTER;
if (tg.led_state == 0) {
gpio_led_on(INDICATOR_LED);
tg.led_state = 1;
} else {
gpio_led_off(INDICATOR_LED);
tg.led_state = 0;
}
}
return (STAT_EAGAIN); // EAGAIN prevents any other actions from running
}
static uint8_t _shutdown_idler(void)
{
if (cm_get_machine_state() != MACHINE_SHUTDOWN) { return (TG_OK);}
if (--tg.led_counter < 0) {
tg.led_counter = LED_COUNTER;
if (tg.led_state == 0) {
gpio_led_on(INDICATOR_LED);
tg.led_state = 1;
} else {
gpio_led_off(INDICATOR_LED);
tg.led_state = 0;
}
}
return (TG_EAGAIN); // EAGAIN prevents any other actions from running
}
//function to blink the led the number of times equal to occurence of the word
static void gpio_led_on(wcount) //passing the word count
{
int count=wcount; //setting the counter
mdev_t *gpio_dev = gpio_drv_open("MDEV_GPIO");
/* Turn on LED by writing 0 in GPIO register */
gpio_drv_write(gpio_dev, gpio_led, 0);
gpio_drv_close(gpio_dev);
gpio_led_state = 1;
gpio_led_off(); //turning off the led to give the binking effect
count=count-1; //decreasing the counter by 1 after glowing led
while(count!=1) //recursive function, to be visited till counter becomes 1(not 0 because counter starts from w,not w-1)
{
gpio_led_on(count); //recursive function
}
}
