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1：引用STM8 的中斷庫(kù) #include "stm8s_exti.h" 2：配置外部中斷的觸發(fā)管腳 GPIO_Init(LEDS_PORT,MB,GPIO_MODE_IN_FL_IT ); 或者 GPIO_Init(LEDS_PORT,MB,GPIO_MODE_IN_PU_IT ); 3:初始化中斷 EXTI_DeInit(); EXTI_SetTLISensitivity(EXTI_TLISENSITIVITY_RISE_ONLY);//下降沿觸發(fā)中斷
EXTI_SetExtIntSensitivity((EXTI_PORT_GPIOD),EXTI_SENSITIVITY_RISE_ONLY);
4：中斷服務(wù)子程序的配置 （1）外部定義中斷服務(wù)子程序 @far @interrupt void EXTI3 (void) {
disableInterrupts();
counter ();
enableInterrupts();
} （2）聲明外部中斷子程序 extern void EXTI3 (); （3）配置外部中斷子程序向量表 struct interrupt_vector const _vectab[] = {
{0x82, (interrupt_handler_t)_stext},
{0x82, NonHandledInterrupt},
{0x82, NonHandledInterrupt},
{0x82, NonHandledInterrupt},
{0x82, NonHandledInterrupt},
{0x82, NonHandledInterrupt},
{0x82, NonHandledInterrupt},
{0x82, NonHandledInterrupt},
{0x82, EXTI3 },
{0x82, NonHandledInterrupt},
{0x82, NonHandledInterrupt},
{0x82, NonHandledInterrupt},
{0x82, NonHandledInterrupt},
{0x82, NonHandledInterrupt},
{0x82, NonHandledInterrupt},
{0x82, TIM2_UPD_OVF_TRG_IRQHandler },
{0x82, NonHandledInterrupt},
{0x82, NonHandledInterrupt},
{0x82, NonHandledInterrupt},
{0x82, NonHandledInterrupt},
{0x82, UART_RI },
{0x82, NonHandledInterrupt},
{0x82, NonHandledInterrupt},
{0x82, NonHandledInterrupt},
{0x82, NonHandledInterrupt},
{0x82, NonHandledInterrupt},
{0x82, NonHandledInterrupt},
{0x82, NonHandledInterrupt},
{0x82, NonHandledInterrupt},
{0x82, NonHandledInterrupt},
{0x82, NonHandledInterrupt},
{0x82, NonHandledInterrupt},
}; 注：在配置中斷實(shí)以上三部缺一不可
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