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📄 isr.c

📁 一个凌阳单片机多中断源的实际例子,很具有代表意义,值得研究哦
💻 C
字号:
//*******************************************************************////Interrupt Service Routine For C language//*******************************************************************//#include	"SPCE061.H"unsigned int g_uiIOA_LED=0xff,g_uiIOB_LED=0xff,g_uiClockCnt=0;void BREAK(void) __attribute__ ((ISR));void BREAK(void){}void FIQ(void) __attribute__ ((ISR));void FIQ(void){}void IRQ0(void) __attribute__ ((ISR));void IRQ0(void){}void IRQ1(void) __attribute__ ((ISR));void IRQ1(void){}void IRQ2(void) __attribute__ ((ISR));void IRQ2(void){	*P_IOA_Data=g_uiIOA_LED;          	 g_uiIOA_LED ^= 0x000f;   	*P_INT_Clear=0x0400;  }void IRQ3(void) __attribute__ ((ISR));void IRQ3(void){}void IRQ4(void) __attribute__ ((ISR));void IRQ4(void){	if(*P_INT_Ctrl&C_IRQ4_1KHz)	{   		if(g_uiClockCnt<1024)   		   g_uiClockCnt++;		else		{			*P_IOA_Data=g_uiIOA_LED;          	   		g_uiIOA_LED ^= 0x00f0;   			g_uiClockCnt = 0x0000;            			*P_INT_Clear=C_IRQ4_1KHz;		}		}	if(*P_INT_Ctrl&C_IRQ4_2KHz)	{		*P_INT_Clear=C_IRQ4_2KHz;	}	if(*P_INT_Ctrl&C_IRQ4_4KHz)	{		*P_INT_Clear=C_IRQ4_4KHz;	}}void IRQ5(void) __attribute__ ((ISR));void IRQ5(void){}void IRQ6(void) __attribute__ ((ISR));void IRQ6(void){}void IRQ7(void) __attribute__ ((ISR));void IRQ7(void){}

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