fiq.asm

用凌阳单片机实现的具有语音提示功能的电阻电容电感测量仪原理及实际电路图（PDF格式）

.include	S480.inc
.INCLUDE 	hardware.inc

.external 	_Lxsum;
.external 	_LxFlag;
.external 	_g_uisum;
.external 	_g_ucIntFlag;

.PUBLIC _FIQ
.PUBLIC _IRQ5
.PUBLIC _IRQ6

.TEXT




_FIQ:
	PUSH	r1,r4 to [sp];
	r1=0x2000;
	test r1,[P_INT_Ctrl];
	jnz L_FIQ_TimerA;
	r1=0x0800;
	test r1,[P_INT_Ctrl];
	jnz L_FIQ_TimerB;
L_FIQ_PWM:
	r1=C_FIQ_PWM;
	[P_INT_Clear]=r1;
	POP R1,R4 from[sp];
	reti;
L_FIQ_TimerA:
	[P_INT_Clear]=r1;
	call F_FIQ_Service_SACM_S480;
	pop r1,r4 from [sp];
	reti;
L_FIQ_TimerB:
	[P_INT_Clear]=r1;
	pop r1,r4 from [sp];
	reti;           

	    
_IRQ5:                        //定时3秒的中断程序
	push r1,r4 to [sp];
	r1 =0x0008;						 
	test r1,[P_INT_Ctrl];				
	jnz	L_4Hz;				   // Timer A FIQ entrence 	
	
	r1 = 0x0004;
    [P_INT_Clear] = r1;        //清中断
    
    r1 = [_g_uisum]                 //取时基信号量     
    r1 += 1;
    cmp r1,6;
    jnb loop0;
    
    [_g_uisum]=r1              //保存时基信号量
    pop r1,r4 from [sp];
    reti; 

loop0: 
    r1 = 0x0001;
    [_g_ucIntFlag] = r1;      //设置中断标识
    r1 = 0
    [_g_uisum] = r1

	pop r1,r4 from [sp];
    reti;     

L_4Hz:  
 	r1 = 0x0008;
    [P_INT_Clear] = r1;   //清中断
    pop r1,r4 from [sp];
    reti;


_IRQ6:        
	
	push r1,r4 to [sp];	
	
	r1 = 0x0002;
    [P_INT_Clear] = r1;
    
	r1 = [_Lxsum]                 //取时基信号量     
    r1 += 1;
    cmp r1,64;
    jnb loop;
    
    [_Lxsum]=r1              //保存时基信号量
    pop r1,r4 from [sp];
    reti; 

loop: 
    r1 = 0x0001;
    [_LxFlag] = r1;      //设置中断标识
    r1 = 0
    [_Lxsum] = r1

	pop r1,r4 from [sp];
    reti;