interrupt.asm

HT46RB50溫度計 含汇编程序和原理图

;;---------------------------------------------------------
;; ISR_TMR      TMR INTRRUPT SERVICE
;; description	START AD EVERY 1S,every in 5ms
;; input	NULL
;; onput	NULL
;; stack use	NULL
;;---------------------------------------------------------
ISR_TMR1:
	M_PUSH

	INC	M_TMR_MS
	MOV	A,M_TMR_MS
	SUB	A,C_TMR_MS	;WAIT 250MS?
	SNZ	C
	JMP	ISR_TMR1_END	;NO,END
	CLR	START
	SET	START
	CLR	START		;START AD
	CLR	M_TMR_MS

ISR_TMR1_END:
	M_POP
	RETI

;;---------------------------------------------------------
;; ISR_AD       AD INTRRUPT SERVICE
;; description	LOAD AD SEND TO PC
;; input	NULL
;; onput	NULL
;; stack use	NULL
;;---------------------------------------------------------
ISR_AD:
	M_PUSH

	MOV	A,OFFSET M_AD_BUF0
	ADD	A,M_AD_COUNT
	MOV	MP0,A

	CALL	SBR_RT_table
	MOV	R0,A

	INC	M_AD_COUNT
	MOV	A,M_AD_COUNT
	SUB	A,C_FIFOSize
	SNZ	C
	JMP	ISR_AD_END
	CLR	M_AD_COUNT
	SET	F_AD_FULL
ISR_AD_END:
	M_POP
	RETI

ORG	0E00H
SBR_RT_table:
	MOV	A,OFFSET RT_table
	MOV	TBLP,A
	MOV	A,ADRH
	ADDM	A,TBLP
	MOV	A,ADRL
	TABRDC	ACC
	RET

RT_table:
DC	150,150,150,150,151,151,151,151
DC	151,151,151,151,151,151,151,151		

DC	151,151,151,151,151,140,138,136
DC	135,133,132,130,128,127,125,124		

DC	123,122,120,119,118,117,116,115
DC	114,113,112,111,110,110,108,108		
	
DC	107,106,105,104,104,103,102,101
DC	101,100,99,99,98,97,97,96,95,95		

DC	94,94,93,92,92,91,90,90
DC	90,89,88,88,87,87,87,86			

DC	85,85,84,83,83,83,82,82
DC	81,81,80,80,79,79,79,78			

DC	78,77,77,76,76,76,75,75
DC	74,74,73,73,72,72,72,71			

DC	71,71,70,70,69,69,69,68
DC	68,67,67,66,66,66,65,65			

DC	64,64,64,63,63,63,62,62
DC	61,61,61,60,60,59,59,59			

DC	58,58,57,57,57,56,56,55
DC	55,54,54,53,53,52,52,51	
		
DC	51,51,50,50,49,49,49,48
DC	48,47,47,47,46,46,45,45			

DC	44,44,44,43,43,42,42,41
DC	41,41,40,40,40,39,38,38			

DC	37,37,36,36,35,35,34,34
DC	33,33,32,32,31,31,30,30