did some writeup changes and finished electronics stuff

1 files changed, 75 insertions, 0 deletions

diff --git a/electronics/asm/final.asm b/electronics/asm/final.asm
new file mode 100644
index 0000000..3326119
--- /dev/null
+++ b/electronics/asm/final.asm
@@ -0,0 +1,75 @@
+start: 
+init: 
+	clrf    PORTA          	; make sure port A output latches are low 
+	clrf 	PORTB
+	bsf     STATUS,RP0     	; select memory bank 1 
+
+	movlw 	b'11111111'    	; set port A data direction to inputs 
+	movwf   TRISA         
+	movlw   b'00000000'    	; set port B data direction to outputs 
+	movwf   TRISB          
+	bcf     STATUS,RP0     	; select memory bank 0 
+
+	bsf	INTCON, INT0IE
+	bsf	INTCON, GIE
+
+	rawtemp EQU B6
+	countdown EQU B7
+
+	movlw	5	
+	movwf	countdown
+	movlw 	0
+
+	goto    main 
+
+interrupt:
+	btfss	INTCON, INT0IF
+	retfie
+
+	clrf 	PORTB
+
+	bcf 	INTCON, INT0IF
+	bsf 	INTCON, GIE
+	bsf 	INTCON,	INT0IE 
+	
+	; USE A TRANSITOR WITH 1K resistor to the power rail of chip
+
+	goto 	start		; restarts the program
+	retfie
+
+beep:				; a for loop that beeps a buzzer and turns on a led then sets a led on
+				; if nothing is done
+
+	bcf 	PORTB, 3 	; turn off the status
+	bsf	PORTB, 0	; put a RED LED on PORTB:0
+	bsf	PORTB, 1	; put a BUZZER on PORTB:1
+	call 	wait1000ms
+	bcf	PORTB, 0
+	bcf	PORTB, 1
+	call	wait1000ms
+
+	decfsz	countdown, F
+	goto	beep
+	
+	bsf	PORTB, 2	; put an AMBER LED on PORTB:2
+
+	goto 	start	
+main: 				; reads the temprature
+	bsf  	PORTB,3		; put a GREEN LED for status on PORTB:3
+
+	call 	readadc1 	; put a THERMISTOR on PORTA:1
+	movf	B1, W
+	movwf	rawtemp
+				
+	call	readadc0	; put a POT on PORTA:0	
+	movf	B0, W
+
+	subwf	rawtemp, w	; subtract the from the threshold value
+	btfss	STATUS, 0 	; if higher than desired temp
+	goto 	beep		; ^	
+
+	clrf	STATUS
+
+	goto 	main
+
+	END		       	; ends the program