int main(void)
{
HAL_Init();
/* Configure the system clock to 180 MHz */
SystemClock_Config();
/* -1- Enable GPIO Clock (to be able to program the configuration registers) */
__HAL_RCC_GPIOK_CLK_ENABLE();
/* -2- Configure IO in output push-pull mode to drive external LEDs */
GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
GPIO_InitStruct.Pull = GPIO_PULLUP;
GPIO_InitStruct.Speed = GPIO_SPEED_HIGH;
GPIO_InitStruct.Pin = GPIO_PIN_3;
HAL_GPIO_Init(GPIOK, &GPIO_InitStruct);
/* -3- Toggle IO in an infinite loop */
while (1)
{
HAL_GPIO_TogglePin(GPIOK, GPIO_PIN_3);
/* Insert delay 100 ms */
HAL_Delay(100);
}
}
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