基于单片机的函数信号发生器Word文档格式.docx
《基于单片机的函数信号发生器Word文档格式.docx》由会员分享,可在线阅读,更多相关《基于单片机的函数信号发生器Word文档格式.docx(11页珍藏版)》请在冰豆网上搜索。
MOVR2,#01H选通第一位LED数据
MOVR1,#30H送显示缓冲区首址
GN1:
MOVDPTR,#7F03H指向C口地址
MOVA,R2位选通数据送A
MOVX@DPTR,A位选通数据送C口
RLA选通下一位
MOVR2,A位选通数据送R2中保存
MOVA,@R1取键值
MOVDPTR,#TAB送LED显示软件译码表首址
MOVCA,@A+DPTR查表求出键值显示的段码
MOVDPTR,#7F02H指向B口地址
MOV@DPTR,A段码送显示
LCALLLOOP1调延时子程序
INCR1指向下一位显示缓冲区地址
DJNZR3,GN1循环显示6个LED
RET
LOOP1:
MOVR4,#08H延时子程序
LOOP:
MOVR5,#0A0H
DJNZR5,$
DJNZR4,LOOP
K10H:
MOV30H,#00H显示10Hz
MOV31H,#00H
MOV32H,#00H
MOV33H,#00H
MOV34H,#01H
MOV35H,#00H
LCALLLED1调显示子程序
MOVTMOD,#00H
MOVTL0,#15H
MOVTH0,#9EH
AJMPPD
K100H:
MOV30H,#00H显示100Hz
MOV33H,#01H
MOV34H,#00H
LCALLLED1调显示子程序
MOVTL0,#08H
MOVTH0,#0F6H
K500H:
MOV30H,#00H显示500Hz
MOV33H,#05H
MOVTL0,#01H
MOVTH0,#0FEH
K1K:
MOV30H,#00H显示1KHz
MOV32H,#01H
MOVTH0,#0FFH
PD:
JNBACC.0,KE0判断是否“0”号键按下,若是则转方波输出
JNBACC.1,KE1判断是否“1”号键按下,若是则转正弦方波输出
JNBACC.2,KE2判断是否“2”号键按下,若是则转三角波输出
JNBACC.3,KE3判断是否“3”号键按下,若是则转锯齿波输出
LJMPPD
KE0:
MOVR7,#00H
MOVR6,#00H
AJMPGN
KE1:
MOVR7,#02H
KE2:
AJMPGN
KE3:
MOVR7,#02H
LCALLLED1调显示子程序
MOVR6,#00H
GN:
SETBTR0
SETBET0
SETBEA
LOP1:
JNBACC.4,K10H判断是否“4”号键,若是则转输出10Hz信号
JNBACC.5,K100H判断是否“5”号键,若是则转输出100Hz信号
JNBACC.7,K1K判断是否“7”号键,若是则转输出1KHz信号
AJMPLOP1
TC0:
CJNER7,#00H,TC1发送方波程序
MOVDPTR,#TAB1送方波数据表首址
MOVA,R6发送数据寄存器
MOVCA,@A+DPTR
MOVDPTR,#0AFFFH指向DAC0832
(2)
MOVX@DPTR,ADAC0832
(2)输出
MOVA,R6
INCA
MOVR6,A
CJNEA,#32,QL1
AJMPQL1
TC1:
CJNER7,#01H,TC2发送正弦波程序
MOVDPTR,#TAB2送正弦波数据表首址
MOVCA,@A+DPTR
MOVDPTR,#0AFFFH指向DAC0832
(2)
INCA
TC2:
CJNER7,#02H,QL1发送三角波程序
MOVDPTR,#TAB3送三角波数据表首址
INCA
AJMPQL1
TC3:
:
CJNER7,#03H,QL1发送锯齿波程序
MOVDPTR,#TAB4送锯齿波数据表首址
MOVX@DPTR,ADAC0832
(2)输出
QL1:
RETI
TAB:
DB0C0H,0F9H,0A4H,0B0H,99H,82H,0F8H,80H
TAB1:
DB0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH
DB0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH
DB0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH
DB00H,00H,00H,00H,00H,00H,00H,00H
DB00H,00H,00H,00H,00H,00H,00H,00H
DB00H,00H,00H,00H,00H,00H,00H,00H
TAB2:
DB80H,83H,86H,89H,8DH,90H,93H,96H
DB99H,9CH,9FH,0A2H,0A5H,0A8H,0ABH,0AEH
DB0B1H,0B4H,0B7H,0BAH,0BCH,0BFH,0C2H,0C5H
DB0C7H,0CAH,0CCH,0CFH,0D1H,0D4H,0D6H,0D8H
DB0DAH,0DDH,0DFH,0E1H,0E3H,0E5H,0E7H,0E9H
DB0EAH,0ECH,0EEH,0EFH,0F1H,0F2H,0F4H,0F5H
DB0F6H,0F7H,0F8H,0F9H,0FAH,0FBH,0FCH,0FDH
DB0FDH,0FEH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH
DB0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FEH,0FDH
DB0FDH,0FCH,0FBH,0FAH,0F9H,0F8H,0F7H,0F6H
DB0F5H,0F4H,0F2H,0F1H,0EFH,0EEH,0ECH,0EAH
DB0E9H,0E7H,0E5H,0E3H,0E1H,0DEH,0DDH,0DAH
DB0D8H,0D6H,0D4H,0D1H,0CFH,0CCH,0CAH,0C7H
DB0C5H,0C2H,0BFH,0BCH,0BAH,0B7H,0B4H,0B1H
DB0AEH,0ABH,0A8H,0A5H,0A2H,9FH,9CH,99H
DB96H,93H,90H,8DH,89H,86H,83H,80H
DB80H,7CH,79H,78H,72H,6FH,6CH,69H
DB66H,63H,60H,5DH,5AH,57H,55H,51H
DB4EH,4CH,48H,45H,43H,40H,3DH,3AH
DB38H,35H,33H,30H,2EH,2BH,29H,27H
DB25H,22H,20H,1EH,1CH,1AH,18H,16H
DB15H,13H,11H,10H,0EH,0DH,0BH,0AH
DB09H,08H,07H,06H,05H,04H,03H,02H
DB02H,01H,00H,00H,00H,00H,00H,00H
DB00H,00H,00H,00H,00H,00H,01H,02H
DB02H,03H,04H,05H,06H,07H,08H,09H
DB0AH,0BH,0DH,0EH,10H,11H,13H,15H
DB16H,18H,1AH,1CH,1EH,20H,22H,25H
DB27H,29H,2BH,2EH,30H,33H,35H,38H
DB3AH,3DH,40H,43H,45H,48H,4CH,4EH
DB51H,55H,57H,5AH,5DH,60H,63H,66H
DB69H,6CH,6FH,72H,76H,79H,7CH,80H
TAB3:
DB00H,02H,04H,06H,08H,0AH,0CH,0EH
DB10H,12H,14H,16H,18H,1AH,1CH,1EH
DB20H,22H,24H,26H,28H,2AH,2CH,2EH
DB30H,32H,34H,36H,38H,3AH,3CH,3EH
DB40H,42H,44H,46H,48H,4AH,4CH,4EH
DB50H,52H,54H,56H,58H,5AH,5CH,5EH
DB60H,62H,64H,66H,68H,6AH,6CH,6EH
DB70H,72H,74H,76H,78H,7AH,7CH,7EH
DB80H,82H,84H,86H,88H,8AH,8CH,8EH
DB0A0H,0A2H,0A4H,0A6H,0A8H,0AAH,0ACH,0AEH
DB0B0H,0B2H,0B4H,0B6H,0B8H,0BAH,0BCH,0BEH
DB0C0H,0C2H,0C4H,0C6H,0C8H,0CAH,0CCH,0CEH
DB0D0H,0D2H,0D4H,0D6H,0D8H,0DAH,0DCH,0DEH
DB0E0H,0E2H,0E4H,0E6H,0E8H,0EAH,0ECH,0EEH
DB0F0H,0F2H,0F4H,0F6H,0F8H,0FAH,0FCH,0FEH
DB0FFH,0FEH,0FCH,0FAH,0F8H,0F6H,0F4H,0F2H
DB0F0H,0EEH,0ECH,0EAH,0E8H,0E6H,0E4H,0E2H
DB0E0H,0DEH,0DCH,0DAH,0D8H,0D6H,0D4H,0D2H
DB0D0H,0CEH,0CCH,0CAH,0C8H,0C6H,0C4H,0C2H
DB0C0H,0BEH,0BCH,0BAH,0B8H,0B6H,0B4H,0B2H
DB0B0H,0AEH,0ACH,0AAH,0A8H,0A6H,0A4H,0A2H
DB0A0H,09EH,9CH,9AH,98H,96H,94H,92H
DB90H,8EH,8CH,8AH,88H,86H,84H,82H
DB80H,7EH,7CH,7AH,78H,76H,74H,72H
DB70H,6EH,6CH,6AH,68H,66H,64H,62H
DB60H,5EH,5CH,5AH,58H,56H,54H,52H
DB50H,4EH,4CH,4AH,48H,46H,44H,42H
DB40H,3EH,3CH,3AH,38H,36H,34H,32H
DB30H,2EH,2CH,2AH,28H,26H,24H,22H
DB20H,1EH,1CH,1AH,18H,16H,14H,12H
DB10H,0EH,0CH,0AH,08H,06H,04H,02H
TAB4:
DB00H,01H,02H,03H,04H,05H,06H,07H
DB08H,09H,0AH,0BH,0CH,0DH,0EH,0FH
DB10H,11H,12H,13H,14H,15H,16H,17H
DB18H,19H,1AH,1BH,1CH,1DH,1EH,1FH
DB20H,21H,22H,23H,24H,25H,26H,27H
DB28H,29H,2AH,2BH,2CH,2DH,2EH,2FH
DB30H,31H,32H,33H,34H,35H,36H,37H
DB38H,39H,3AH,3BH,3CH,3DH,3EH,3FH
DB40H,41H,42H,43H,44H,45H,46H,47H
DB48H,49H,4AH,4BH,4CH,4DH,4EH,4FH
DB50H,51H,52H,53H,54H,55H,56H,57H
DB58H,59H,5AH,5BH,5CH,5DH,5EH,5FH
DB60H,61H,62H,63H,64H,65H,66H,67H
DB68H,69H,6AH,6BH,6CH,6DH,6EH,6FH
DB70H,71H,72H,73H,74H,75H,76H,77H
DB78H,79H,7AH,7BH,7CH,7DH,7EH,7FH
DB80H,81H,82H,83H,84H,85H,86H,87H
DB88H,89H,8AH,8BH,8CH,8DH,8EH,8FH
DB90H,91H,92H,93H,94H,95H,96H,97H
DB98H,99H,9AH,9BH,9CH,9DH,9EH,9FH
DB0A0H,0A1H,0A2H,0A3H,0A4H,0A5H,0A6H,0A7H
DB0A8H,0A9H,0AAH,0ABH,0ACH,0ADH,0AEH,0AFH
DB0B0H,0B1H,0B2H,0B3H,0B4H,0B5H,0B6H,0B7H
DB0B8H,0B9H,0BAH,0BBH,0BCH,0BDH,0BEH,0BFH
DB0C0H,0C1H,0C2H,0C3H,0C4H,0C5H,0C6H,0C7H
DB0C8H,0C9H,0CAH,0CBH,0CCH,0CDH,0CEH,0CFH
DB0D0H,0D1H,0D2H,0D3H,0D4H,0D5H,0D6H,0D7H
DB0D8H,0D9H,0DAH,0DBH,0DCH,0DDH,0DEH,0DFH
DB0E0H,0E1H,0E2H,0E3H,0E4H,0E5H,0E6H,0E7H
DB0E8H,0E9H,0EAH,0EBH,0ECH,0EDH,0EEH,0EFH
DB0F0H,0F1H,0F2H,0F3H,0F4H,0F5H,0F6H,0F7H
DB0F8H,0F9H,0FAH,0FBH,0FCH,0FDH,0FEH,0FFH
END