/**
* @brief Main program
* @param None
* @retval None
*/
int main(void)
{
/*!< At this stage the microcontroller clock setting is already configured,
this is done through SystemInit() function which is called from startup
files (startup_stm32f429_439xx.s) before to branch to application main.
To reconfigure the default setting of SystemInit() function, refer to
system_stm32f4xx.c file
*/
RCC_ClocksTypeDef RCC_Clocks;
/* SysTick end of count event each 1ms */
RCC_GetClocksFreq(&RCC_Clocks);
SysTick_Config(RCC_Clocks.HCLK_Frequency / 1000);
/* Initialize LEDs mounted on EVAL board */
STM_EVAL_LEDInit(LED3);
STM_EVAL_LEDInit(LED4);
/* Put LED3 on */
STM_EVAL_LEDOn(LED3);
/* Configure EXTI Line0 (connected to PA0 pin) in interrupt mode */
EXTILine0_Config();
/* Configure EXTI Line13 (connected to PC13 pin) in interrupt mode */
EXTILine13_Config();
while (1)
{
/* Generate software interrupt: simulate a falling edge applied on EXTI0 line */
EXTI_GenerateSWInterrupt(EXTI_Line13);
Delay(500);
}
}
int main(void) {
GPIO_InitTypeDef GPIO_InitDef;
RCC_AHB1PeriphClockCmd(RCC_AHB1Periph_GPIOG, ENABLE);
GPIO_InitDef.GPIO_Pin = GPIO_Pin_All;
GPIO_InitDef.GPIO_Mode = GPIO_Mode_OUT;
GPIO_InitDef.GPIO_OType = GPIO_OType_PP;
GPIO_InitDef.GPIO_PuPd = GPIO_PuPd_NOPULL;
GPIO_InitDef.GPIO_Speed = GPIO_Speed_2MHz;
//Initialize pins
GPIO_Init(GPIOG, &GPIO_InitDef);
RCC_AHB1PeriphClockCmd(RCC_AHB1Periph_GPIOA, ENABLE);
GPIO_InitDef.GPIO_Pin = GPIO_Pin_All;
GPIO_InitDef.GPIO_Mode = GPIO_Mode_IN;
GPIO_InitDef.GPIO_OType = GPIO_OType_PP;
GPIO_InitDef.GPIO_PuPd = GPIO_PuPd_DOWN;
GPIO_InitDef.GPIO_Speed = GPIO_Speed_2MHz;
//Initialize pins
GPIO_Init(GPIOA, &GPIO_InitDef);
GPIO_SetBits(GPIOA, GPIO_Pin_All);
EXTILine11_Config();
EXTILine12_Config();
EXTILine13_Config();
EXTILine14_Config();
while (1) {
/*if (GPIO_ReadInputDataBit(GPIOA, GPIO_Pin_0)) {
GPIO_SetBits(GPIOG, GPIO_Pin_13 | GPIO_Pin_14);
} else if (GPIO_ReadInputDataBit(GPIOA, GPIO_Pin_1)) {
GPIO_SetBits(GPIOG, GPIO_Pin_13);
GPIO_ResetBits(GPIOG, GPIO_Pin_14);
} else if (GPIO_ReadInputDataBit(GPIOA, GPIO_Pin_2)) {
GPIO_SetBits(GPIOG, GPIO_Pin_14);
GPIO_ResetBits(GPIOG, GPIO_Pin_13);
}*/
// else {
// GPIO_ResetBits(GPIOG, GPIO_Pin_13 | GPIO_Pin_14);
// }
}
}
