; Copyright (c) 1998, MICROCHIP Technology Inc ;************************************************* TITLE "PS7219 TEST" ；標(biāo)題 LIST P=16C711 ；處理器為PIC16C711 #INCLUDE P16c711.INC TIMER1 EQU H'000C' ；定義延時寄存器 TIMER2 EQU H'000D' SENT_ADDRESS EQU H'000E' ；定義發(fā)送地址寄存器 SENT_DATA EQU H'000F' ；定義發(fā)送數(shù)據(jù)寄存器 LED1 EQU H'0010' LED2 EQU H'0011' LED3 EQU H'0012' LED4 EQU H'0013' LED5 EQU H'0014' LED6 EQU H'0015' LED7 EQU H'0016' LED8 EQU H'0017' COUNT EQU H'0018' NO_OP EQU 0X00 ；定義控制寄存器 DIGIT1 EQU 0X01 DIGIT2 EQU 0X02 DIGIT3 EQU 0X03 DIGIT4 EQU 0X04 DIGIT5 EQU 0X05 DIGIT6 EQU 0X06 DIGIT7 EQU 0X07 DIGIT8 EQU 0X08 DECODE EQU 0X09 INTSEN EQU 0X0A SCAN EQU 0X0B SHUT EQU 0X0C FLASH EQU 0X0D DISPLAY EQU 0X0F LOAD EQU 0 ；通訊引腳定義 DOUT EQU 1 CLK EQU 2 ORG 0 GOTO START ；程序開始 ORG H'0010' ;************************* ; 延時子程序 ;************************* T1 MOVLW 33 ；延時子程序T1 MOVWF TIMER1 DEL_LOP CLRWDT DECFSZ TIMER1,1 GOTO DEL_LOP RETURN T2 MOVLW 0X04 ；延時子程序T2 MOVWF TIMER1 MOVLW 0XFF LOOP2 MOVWF TIMER2 LOOP1 CLRWDT DECFSZ TIMER2,1 GOTO LOOP1 DECFSZ TIMER1,1 GOTO LOOP2 RETURN SEND MOVLW 8 ；數(shù)據(jù)傳送子程序SEND MOVWF COUNT BCF PORTA,LOAD ；初始化LOAD引腳 CALL T1 SET_LP1 BCF STATUS,C ；發(fā)送8位地址 BSF PORTA,CLK RLF SENT_ADDRESS,1 BCF PORTA,DOUT BTFSC STATUS,C BSF PORTA,DOUT BCF PORTA,CLK CALL T1 ；調(diào)用延時子程序T1 DECFSZ COUNT,1 ；COUNT減一為1零則結(jié)束傳送 GOTO SET_LP1 BSF PORTA,CLK MOVLW 8 MOVWF COUNT BSF PORTA,LOAD SET_LP2 BCF STATUS,C ；發(fā)送8位數(shù)據(jù) BSF PORTA,CLK RLF SENT_DATA,1 BCF PORTA,DOUT BTFSC STATUS,C BSF PORTA,DOUT BCF PORTA,CLK CALL T1 ；調(diào)用延時子程序T1 DECFSZ COUNT,1 ；COUNT減一為零則結(jié)束傳送 GOTO SET_LP2 BSF PORTA,CLK CALL T1 BSF PORTA,LOAD BSF PORTA,DOUT RETURN ；子程序返回 START BSF STATUS,RP0 ；主程序 MOVLW 0X18 MOVWF TRISA MOVLW 0XFF MOVWF TRISB BCF STATUS,RP0 CALL T1 CALL T1 MOVLW 0X12 MOVWF PORTA BCF PORTA,LOAD CON_COM CALL T1 ；初始化PS7219內(nèi)部RAM MOVLW 0X0A ；設(shè)置亮度為最亮 MOVWF SENT_ADDRESS MOVLW 0X0F MOVWF SENT_DATA CALL SEND ；調(diào)用串行通訊子程序 CALL T1 MOVLW 0X0B ；設(shè)置掃描界線為8位 MOVWF SENT_ADDRESS MOVLW 0X07 MOVWF SENT_DATA CALL SEND ；調(diào)用串行通訊子程序 CALL T1 MOVLW 0X09 ；設(shè)置每位譯碼方式為BCD譯碼 MOVWF SENT_ADDRESS MOVLW 0XFF MOVWF SENT_DATA CALL SEND CALL T1 MOVLW 0X0C ；設(shè)置工作方式為正常 MOVWF SENT_ADDRESS MOVLW 0X01 MOVWF SENT_DATA CALL SEND LED_CON CALL T1 ；LED顯示控制部分 MOVLW 0X01 ；LED1顯示為1 MOVWF SENT_ADDRESS MOVLW 0X01 MOVWF SENT_DATA CALL SEND CALL T1 MOVLW 0X02 ；LED2顯示為2 MOVWF SENT_ADDRESS MOVLW 0X02 MOVWF SENT_DATA CALL SEND CALL T1 MOVLW 0X03 ；LED3顯示為3 MOVWF SENT_ADDRESS MOVLW 0X03 MOVWF SENT_DATA CALL SEND CALL T1 MOVLW 0X04 ；LED4顯示為4 MOVWF SENT_ADDRESS MOVLW 0X04 MOVWF SENT_DATA CALL SEND CALL T1 MOVLW 0X05 ；LED5顯示為5 MOVWF SENT_ADDRESS MOVLW 0X05 MOVWF SENT_DATA CALL SEND CALL T1 MOVLW 0X06 ；LED6顯示為6 MOVWF SENT_ADDRESS MOVLW 0X06 MOVWF SENT_DATA CALL SEND CALL T1 MOVLW 0X07 ；LED7顯示為7 MOVWF SENT_ADDRESS MOVLW 0X07 MOVWF SENT_DATA CALL SEND CALL T1 MOVLW 0X08 ；LED8顯示為8 MOVWF SENT_ADDRESS MOVLW 0X08 MOVWF SENT_DATA CALL SEND CALL T1 MOVLW 0X0F ；進(jìn)入測試模式 MOVWF SENT_ADDRESS MOVLW 0X01 MOVWF SENT_DATA CALL SEND CALL T1 MOVLW 0X0F ；退出測試模式 MOVWF SENT_ADDRESS MOVLW 0X00 MOVWF SENT_DATA CALL SEND CALL T1 MOVLW 0X0D ；使能8位LED閃爍 MOVWF SENT_ADDRESS MOVLW 0XFF MOVWF SENT_DATA CALL SEND FINISH CLRWDT ；清Watch Dog GOTO FINISH END ；結(jié)束
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