stm32f030 ad9833 siyal jenerator u ile yapmaya çalışıyorum EXTI4_15 kesmesi ile buton okumak isterken bütün PORTA kesme den etkileniyor (test amaçlı degişken degeri değişiyor )sanki hepsi aynıymiş gibi işlem yapıyor
nerede yanlış yaptıgıma bakabilirmisiniz void Init_GPIO(void)
{
RCC_AHBPeriphClockCmd(RCC_AHBPeriph_GPIOA, ENABLE); // LCD için
G.GPIO_Pin = GPIO_Pin_13|GPIO_Pin_14|GPIO_Pin_15;
G.GPIO_Mode = GPIO_Mode_OUT;
G.GPIO_OType = GPIO_OType_PP;
G.GPIO_PuPd = GPIO_PuPd_NOPULL;
G.GPIO_Speed = GPIO_Speed_Level_1;
GPIO_Init(GPIOA, &G);
RCC_AHBPeriphClockCmd(RCC_AHBPeriph_GPIOA, ENABLE); /* Enable GPIOC clock */
RCC_APB2PeriphClockCmd(RCC_APB2Periph_SYSCFG, ENABLE);/* Enable SYSCFG clock */
GPIO_InitTypeDef GPIO_InitStructure;
RCC_AHBPeriphClockCmd(RCC_AHBPeriph_GPIOA, ENABLE);
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_8|GPIO_Pin_9|GPIO_Pin_10;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN;
GPIO_InitStructure.GPIO_OType = GPIO_OType_PP;
GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_UP;
GPIO_Init(GPIOA, &GPIO_InitStructure);
EXTI_InitStructure.EXTI_Line = GPIO_Pin_8;
EXTI_InitStructure.EXTI_Mode = EXTI_Mode_Interrupt;
EXTI_InitStructure.EXTI_Trigger = EXTI_Trigger_Falling;
EXTI_InitStructure.EXTI_LineCmd = ENABLE;
EXTI_Init(&EXTI_InitStructure);
EXTI_InitStructure.EXTI_Line = GPIO_Pin_9;
EXTI_InitStructure.EXTI_Mode = EXTI_Mode_Interrupt;
EXTI_InitStructure.EXTI_Trigger = EXTI_Trigger_Falling;
EXTI_InitStructure.EXTI_LineCmd = ENABLE;
EXTI_Init(&EXTI_InitStructure);
EXTI_InitStructure.EXTI_Line = GPIO_Pin_10;
EXTI_InitStructure.EXTI_Mode = EXTI_Mode_Interrupt;
EXTI_InitStructure.EXTI_Trigger = EXTI_Trigger_Falling;
EXTI_InitStructure.EXTI_LineCmd = ENABLE;
EXTI_Init(&EXTI_InitStructure);
SYSCFG_EXTILineConfig(EXTI_PortSourceGPIOA, EXTI_PinSource8);
SYSCFG_EXTILineConfig(EXTI_PortSourceGPIOA, EXTI_PinSource9);
SYSCFG_EXTILineConfig(EXTI_PortSourceGPIOA, EXTI_PinSource10);
/* Enable and set EXTI4_15 Interrupt */
NVIC_InitStructure.NVIC_IRQChannel = EXTI4_15_IRQn;
NVIC_InitStructure.NVIC_IRQChannelPriority = 0x00;
NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
NVIC_Init(&NVIC_InitStructure);
FSYNCHIGH;
SDATAHIGH;
SCLKHIGH;
set_freq(frekans);
}
void EXTI4_15_IRQHandler(void)
{
if(EXTI_GetITStatus(EXTI_Line8) != RESET)
{
ClrDisp();
PStr("line8",1,2);
++frekans;
Delay(100);
Delay(100);
EXTI_ClearITPendingBit(EXTI_Line8);
}
if(EXTI_GetITStatus(EXTI_Line9) != RESET)
{
ClrDisp();
PStr("line9",1,2);
--frekans;
Delay(100);
Delay(100);
EXTI_ClearITPendingBit(EXTI_Line9);
}
if(EXTI_GetITStatus(EXTI_Line10) != RESET)
{
ClrDisp();
PStr("line10",1,2);
Delay(100);
Delay(100);
EXTI_ClearITPendingBit(EXTI_Line10);
}
}