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| #include "stm32f10x.h"
#include "stm32f10x_it.h"
#include "sys.h"
#include "Delay.h"
#include "led.h"
#include "key.h"
#include "exit.h"
#define LED1 PBout(0)
#define LED2 PBout(1)
#define LED3 PBout(9)
#define LED4 PBout(14)
#define KEY1 PCin(0)
#define KEY2 PCin(1)
#define KEY3 PCin(10)
#define KEY4 PCin(11)
void KEY_Init(void)
{
GPIO_InitTypeDef GPIO_InitStructure;
RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOC, ENABLE);
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_0 | GPIO_Pin_1 | GPIO_Pin_10 | GPIO_Pin_11;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IPU;
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
GPIO_Init(GPIOC, &GPIO_InitStructure);
}
void LED_Init(void)
{
GPIO_InitTypeDef GPIO_InitStructure;
RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOB, ENABLE);
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_0 | GPIO_Pin_1 | GPIO_Pin_9 | GPIO_Pin_14;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP;
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
GPIO_Init(GPIOB, &GPIO_InitStructure);
GPIO_ResetBits(GPIOB, GPIO_Pin_0 | GPIO_Pin_1 | GPIO_Pin_9 | GPIO_Pin_14);
}
void EXTI0_IRQHandler(void)
{
static u8 k1 = 0;
if(EXTI_GetITStatus(EXTI_Line0) != RESET)
{
Delay(20);
if(KEY1 == 0)
{
if(k1 == 0)
LED1 = 1;
else
LED1 = 0;
k1 = !k1;
}
EXTI_ClearITPendingBit(EXTI_Line0);
}
}
void EXTI1_IRQHandler(void)
{
static u8 k2 = 0;
if(EXTI_GetITStatus(EXTI_Line1) != RESET)
{
Delay(20);
if(KEY2 == 0)
{
if(k2 == 0)
LED2 = 1;
else
LED2 = 0;
k2 = !k2;
}
EXTI_ClearITPendingBit(EXTI_Line1);
}
}
void EXTI15_10_IRQHandler(void)
{
static u8 k3 = 0;
static u8 k4 = 0;
if(EXTI_GetITStatus(EXTI_Line10) != RESET)
{
Delay(20);
if(GPIO_ReadInputDataBit(GPIOC, GPIO_Pin_10) == 0)
{
if(k3 == 0)
LED3 = 1;
else
LED3 = 0;
k3 = !k3;
}
EXTI_ClearITPendingBit(EXTI_Line10);
}
if(EXTI_GetITStatus(EXTI_Line11) != RESET)
{
Delay(20);
if(GPIO_ReadInputDataBit(GPIOC, GPIO_Pin_11) == 0)
{
if(k4 == 0)
LED4 = 1;
else
LED4 = 0;
k4 = !k4;
}
EXTI_ClearITPendingBit(EXTI_Line11);
}
}
void EXTI_Config(void)
{
EXTI_InitTypeDef EXTI_InitStructure;
NVIC_InitTypeDef NVIC_InitStructure;
RCC_APB2PeriphClockCmd(RCC_APB2Periph_AFIO, ENABLE);
GPIO_EXTILineConfig(GPIO_PortSourceGPIOC, GPIO_PinSource0);
GPIO_EXTILineConfig(GPIO_PortSourceGPIOC, GPIO_PinSource1);
GPIO_EXTILineConfig(GPIO_PortSourceGPIOC, GPIO_PinSource10);
GPIO_EXTILineConfig(GPIO_PortSourceGPIOC, GPIO_PinSource11);
EXTI_InitStructure.EXTI_Line = EXTI_Line0 | EXTI_Line1 | EXTI_Line10 | EXTI_Line11;
EXTI_InitStructure.EXTI_Mode = EXTI_Mode_Interrupt;
EXTI_InitStructure.EXTI_Trigger = EXTI_Trigger_Falling;
EXTI_InitStructure.EXTI_LineCmd = ENABLE;
EXTI_Init(&EXTI_InitStructure);
NVIC_PriorityGroupConfig(NVIC_PriorityGroup_0);
NVIC_InitStructure.NVIC_IRQChannel = EXTI0_IRQn;
NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 0x0;
NVIC_InitStructure.NVIC_IRQChannelSubPriority = 0x0;
NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
NVIC_Init(&NVIC_InitStructure);
NVIC_InitStructure.NVIC_IRQChannel = EXTI1_IRQn;
NVIC_Init(&NVIC_InitStructure);
NVIC_InitStructure.NVIC_IRQChannel = EXTI15_10_IRQn;
NVIC_Init(&NVIC_InitStructure);
}
int main(void)
{
LED_Init();
KEY_Init();
EXTI_Config();
while(1);
}
|
