KF32A156操作IO口
KF32A156迷你EVB上的LED0每500ms闪烁一次
void BoardGpioInit(void)
{
GPIO_InitTypeDef GPIO_InitStructure;
/* Configure PD12 LED1 output */
GPIO_InitStructure.m_Mode = GPIO_MODE_OUT;
GPIO_InitStructure.m_OpenDrain = GPIO_POD_PP;
GPIO_InitStructure.m_PullDown = GPIO_NOPULL;
GPIO_InitStructure.m_PullUp = GPIO_NOPULL;
GPIO_InitStructure.m_Speed = GPIO_LOW_SPEED;
GPIO_InitStructure.m_Pin = GPIO_PIN_MASK_12;
GPIO_Configuration(GPIOD_SFR , &GPIO_InitStructure);
/* Configure PH3 LED2 output */
GPIO_InitStructure.m_Pin = GPIO_PIN_MASK_3;
GPIO_Configuration(GPIOH_SFR , &GPIO_InitStructure);
/* Configure PD7 user key input */
GPIO_InitStructure.m_Mode = GPIO_MODE_IN;
GPIO_InitStructure.m_Pin = GPIO_PIN_MASK_7;
GPIO_Configuration(GPIOD_SFR , &GPIO_InitStructure);
}
/*******************************************************************************
** Main Functions **
*******************************************************************************/
/**
*@brief :Main program
*@param in :None
*@param out :None
*@retval :None
*/
int main()
{
/* Initialize the system clock is 120M*/
SystemInit(120);
/* Setup SysTick Timer as delay function, and input frequency is 120M */
systick_delay_init(120);
/* Initialize the user IOs */
BoardGpioInit();
while(1)
{
/* Toggle LED1 */
if (++TimingDelay >= 10)
{
TimingDelay = 0;
GPIO_Toggle_Output_Data_Config(GPIOD_SFR, GPIO_PIN_MASK_12);
}
/* Turn ON/OFF the dedicate LED2 by user key */
if (GPIO_Read_Input_Data_Bit(GPIOD_SFR, GPIO_PIN_MASK_7) == Bit_RESET)
{
GPIO_Set_Output_Data_Bits(GPIOH_SFR, GPIO_PIN_MASK_3, Bit_SET);
}
else
{
GPIO_Set_Output_Data_Bits(GPIOH_SFR, GPIO_PIN_MASK_3, Bit_RESET);
}
systick_delay_ms(50);
}
}
页:
[1]