main.asm

富晶的MCU仿真器软件

;/**************************************************************************************/  
;*		                ADC&LCD example for 8bits.(add prefilter)      	       					*/
;*			Input: VRH = VR1P ,VRL = AGND			               				*/	
;*			       INH = AIN5 (VDD +50K ToVSS), INL = AIN1   (AGND and 10k)			*/
;*=====================================================================================*/
;* (Block Diagrom):								       					*/						
;*		VDD								       						*/
;*		 |								 					         */			
;*		 >				     		--------------------		       				*/
;*	 (50K) <                    	----------     	         |   	     	     |		       				*/	
;*		 --------(AIN5)-----| PreFilter|-------------|INH                  |		       				*/
;*                                   	         ----------    	         |                        | 		       				*/
;*                        AGND---~~~---(AIN1)--------------|INL                   |		       			         */
;*                                    	 (10K)                   |     VRH   VRL  |		                                     */
;*                                                   			--------------------		       				*/	
;*                                                     	 			|        |		      				 */		
;*                                             			REFO---~~~----~~~- AGND    	      				 */	
;*                                             	     			(60K)    (40K)		       				*/	
;======================================================================================*/			
;*     	 Function      Arthurs        Time          Version     Description            					*/
;*         Total      Gavannis.hsu  2004/01/03       0.1        No chopper             					*/
;*										       						*/
;/**************************************************************************************/
	INCLUDE        FS9821.INC
	INCLUDE        macro_FS9821.asm
	INCLUDE        Def_Mem_FS9821.asm
	

	LED1Temp		equ   0A0h
	LED2Temp		equ   0A1h
	LED3Temp		equ   0A2h
	LED4Temp        	equ   0A3h	
	LED5Temp        	equ   0A4h
	LED6Temp		equ   0A5h
	ADCoffset        	equ   0A6h	
	Signflag		equ   0A7h
	
	ORG    00
	GOTO  CLKINI
	ORG    04H
	GOTO  ADCISR

CLKINI:
	MOVLW   01000001B	;Set Clock ,see Page16
	MOVWF   PCK
	MOVLW   00010000B	;Set Power System,see page 13
	MOVWF   NETE
	   
POWERINI:
	MOVLW  10000100B
	MOVWF  INTE
	MOVLW   01100011B	;Set Power System 
	MOVWF   NETF


ADCINI:
	MOVLW  0EH		;Set ADC output rate,See page29
	MOVWF  ADCON	
	
	movlw     29h		;Set Input,
	movwf     NETA
	movlw     02h		;Set Referance Input,
	movwf     NETB
	movlw     10000110B	;Set ADC Enable
	movwf     NETC	
	movlw     00000000B	;Set OP
	movwf     NETD

main:	
	NOP
	GOTO main
	
ADCISR:
	MOVLF	00H,INTF
	
Display:	
;//LED DISPLAY
;Static      measure offset		
	MOVFF    	ADOH,AH   	
	MOVFF    	ADOL,AL
	MOVLF   	01H,BH
	MOVLF   	029H,BL		;DELETE ADC_OFFSET	
	CALL		AX_BX
	
	BTFSS		AH,7			;Check Sign bit
	GOTO	     	Postive			;>0
	GOTO		Negnative		:<0
	
Postive:		
	MOVLW	00H	;(+) flag
	MOVWF	Signflag
	
	GOTO		LED_Display
Negnative:

	MOVLW	01H			
	SUBWF	AL,F
	BTFSS		STATUS,C
	SUBWF	AH,F
	COMF		AL,F
	COMF		AH,F	
	MOVLW	02H	;(-) flag
	MOVWF	Signflag
	
	GOTO	     	LED_Display
		
LED_Display:
	CALL	     	Hex2BCD		;>0
			
LED:		

	;タ璽
	MOVFF	Signflag,LED1Temp
	MOVFW	LED1Temp	
	MOVWF      	LCD1
	
	;窾
	MOVFW   	EBL	
	ANDLW    	0FH 
	MOVWF   	LED2Temp
	MOVFW   	LED2Temp
	Call	     	lcd_num		
	movwf      	LCD2 
	
	;