[Aduc7024 EVM]외부인터럽트 예제 테스트

 [Aduc7024 EVM]외부인터럽트 예제

  

외부 인터럽트발생(스위치)시  LED를 On/Off하는 예제를 테스트 했다.

aduc7024_evm_exint.zip

예제소스

//============================================================================= // [Aduc7024] Evm Test Program // // by http://cafe.naver.com/elab //============================================================================= /*  - Adcu7024 EVM Basic Test   - EX0 인터럽트 발생시 P3 -> LED에 연결된 LED를 On/Off하는 프로그램 */ #include <ioaduc7024.h> //----------------------------------------------------------------------------- //LED Test Futicion #define Led1On()                (GP3SET = 0xFFFFFFFF) #define Led1Off()               (GP3CLR = 0xFFFFFFFF) void InitLed(void) {     GP3CON = 0x0;     GP3DAT = 0xFFFFFFFF;    } //----------------------------------------------------------------------------- //----------------------------------------------------------------------------- //Simple System Delay void Delay(void) {    volatile int iDelay = 0x1FFFF;    while (iDelay--); } //----------------------------------------------------------------------------- //----------------------------------------------------------------------------- int m_flag = 0; __irq __arm void irq_handler(void);                    //      IRQ Function Prototype //IRQ Handler __irq __arm void irq_handler(void)            {         m_flag ^= 1;                 if(m_flag)Led1On();         else Led1Off();         return ; } //----------------------------------------------------------------------------- int main (void)  {     //   Enable XIRQ0 in IRQEnable         IRQEN = XIRQ0_BIT;                                    InitLed();         while(1)         {         } }