isr.asm

来自「语音通用程序」· 汇编 代码 · 共 44 行

.text
.include	hardware.inc
.include	A2000.inc
.include	Resource.inc


.public	_FIQ;
_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_A2000;
	pop R1,R4 from [sp];
	reti;
L_FIQ_TimerB:
	[P_INT_Clear]=R1;
	pop R1,R4 from [sp];
	RETI;
	
//===================================================================================
//函数：F_ClearWatchdog（）
//语法：void F_ClearWatchdog(void)
//描述：清看门狗
//参数：无
//返回：无
//===================================================================================
.code
.public _F_ClearWatchdog;
_F_ClearWatchdog: .proc
    R1 = 0x0001;
    [P_Watchdog_Clear] = R1;
    RETF;
.ENDP