Beispiel #1
0
/*************************************************************************
* Description: Initialize the LED hardware
* Returns: none
* Notes: none
*************************************************************************/
void led_init(
    void)
{
    GPIO_InitTypeDef GPIO_InitStructure;

    GPIO_StructInit(&GPIO_InitStructure);
    /* Configure the Receive LED on MS/TP board */
    GPIO_InitStructure.GPIO_Pin = GPIO_Pin_14;
    GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
    GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP;
    GPIO_Init(GPIOB, &GPIO_InitStructure);
    /* Configure the Transmit LED on MS/TP board */
    GPIO_InitStructure.GPIO_Pin = GPIO_Pin_15;
    GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
    GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP;
    GPIO_Init(GPIOB, &GPIO_InitStructure);
    RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOB, ENABLE);
    /* Configure the LD4 on Discovery board */
    GPIO_InitStructure.GPIO_Pin = GPIO_Pin_8;
    GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
    GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP;
    GPIO_Init(GPIOC, &GPIO_InitStructure);
    /* Configure the LD3 on Discovery board */
    GPIO_InitStructure.GPIO_Pin = GPIO_Pin_9;
    GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
    GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP;
    GPIO_Init(GPIOC, &GPIO_InitStructure);
    /* Enable the GPIO_LED Clock */
    RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOC, ENABLE);

    led_tx_on();
    led_rx_on();
    led_ld3_on();
    led_ld4_on();
}
Beispiel #2
0
/*************************************************************************
* Description: Toggle the state of the LED
* Returns: none
* Notes: none
*************************************************************************/
void led_tx_toggle(
    void)
{
    if (led_tx_state()) {
        led_tx_off();
    } else {
        led_tx_on();
    }
}
Beispiel #3
0
int main(void)
{
	watchdog_init();
	clock_init();
	gpio_init();
	led_init();
	uart_init();

	while (1)
	{
		led_tx_off();
		led_rx_on();
		sdelay(10000000);
		led_tx_on();
		led_rx_off();
		sdelay(10000000);
		uart_putchar('z');
	}

	return 0;
}
Beispiel #4
0
/*************************************************************************
* Description: Turn on, and delay before going off.
* Returns: none
* Notes: none
*************************************************************************/
void led_tx_on_interval(
    uint16_t interval_ms)
{
    led_tx_on();
    timer_interval_start(&Off_Delay_Timer_Tx, interval_ms);
}