hemon.inc

单片机脉搏测量仪的电路设计和源码

;****************************************************************
;* HEARTBEAT MONITOR - HeMon					*
;* BY KEITH WILSON						*
;* VERSION 1							*
;****************************************************************

;Port A definitions

PORTA_CONFIG1		equ	0xf8	;bit4: in,in,out,out,out :bit0
LED_DIGIT1		equ	0	;7-segment display select 1's	
LED_DIGIT2		equ	1	;7-segment display select 10's
LED_DIGIT3		equ	2	;7-segment display select 100's
HEARTBEAT_SENSOR	equ	3	;heatbeat signal from sensor
;NOT USED		equ	4	;not used


;Port B definitions

PORTB_CONFIG1		equ	0x00	;bit7: out,out,out,out,out,out,out,out :bit0
LED_SEGa		equ	0x01	;7-segment display segment A
LED_SEGb		equ	0x02	;7-segment display segment B
LED_SEGc		equ	0x04	;7-segment display segment C
LED_SEGd		equ	0x08	;7-segment display segment D
LED_SEGe		equ	0x10	;7-segment display segment E
LED_SEGf		equ	0x20	;7-segment display segment F
LED_SEGg		equ	0x40	;7-segment display segment G
;NOT USED		equ	0x80	;not used
LED_BLANK		equ	0x00