PIC倒车雷达源程序与电路图

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PIC倒车雷达源程序与电路图

ULTRASONIC RANGE METER
 ;
 ; DEVICE : PIC16F873
 ; AUTHOR : SEIICHI INOUE
 ;********************************************************
 
 LIST P=PIC16F873
 INCLUDE P16F873.INC
 __CONFIG _HS_OSC & _WDT_OFF & _PWRTE_ON & _LVP_OFF
 ERRORLEVEL -302 ;SUPPRESS BANK WARNING
 
 ;**************** LABEL DEFINITION ********************
 CBLOCK H'20'
 S_COUNT ;SEND-OUT PULSE COUNT ADR
 S_ADJ ;ADJUSTMENT DATA ADDRESS
 S_ADJ_COUNT ;ROTATE VALUE SAVE ADR
 S_DIGIT ;DIGIT CONT WORK ADDRESS
 G_TIME1 ;GUARD TIMER ADDRESS 1
 G_TIME2 ;GUARD TIMER ADDRESS 2
 P_COUNTL ;PROPAGATION L CNT ADR
 P_COUNTH ;PROPAGATION H CNT ADR 专业软件下载
 DIGIT_CNT ;DIGIT COUNTER HEAD ADR
 DISP_HA ;DIGIT HEAD ADDRESS
 DISP_U ;1ST DIGIT ADDRESS
 DISP_T ;10TH DIGIT ADDRESS
 DISP_H ;100TH DIGIT ADDRESS
 SEG7_HA ;7 SEGLED TABLE HEAD ADR， 大小：4.22 MB