液體點(diǎn)滴速度監(jiān)控裝置的設(shè)計(jì)-文庫吧資料
2024-09-06 12:55本頁面
【正文】 bh,02h mov 5ch,00h ajmp exit ddd1:cjne a,02h,ddd2 mov a,50h jnz ddd01 mov 5ah,00h mov 5bh,03h mov 5ch,00h ajmp exit ddd01:mov b,0ah div ab mov dptr,table2 。如果當(dāng)前值大就跳轉(zhuǎn) dec 45h clr c mov a,00h mov a,44h add a,64h subb a,42h zero1:mov 46h,a mov a,45h mov a,4fh cjne a,03,ddd1 。 mov a,r3 mov b,0ah mul ab add a,50h mov 50h,a zhongju1:mov a,44h mov 42h,a mov a,43h mov 41h,a mov a,55h mov 43h,a mov a,56h mov 44h,a clr c 。平均差值 mov b,0ah div ab mov 4fh,a mov a,b mov r3,a 。10 差值寄存區(qū) mov 48h,00h mov a,53h subb a,51h mov 47h,a clr c 第 13 頁 共 18 頁 mov a,54h subb a,52h jnc zero 。讀取當(dāng)前時(shí)間 mov 53h,a mov a,56h mov 54h,a clr c 。傳感測(cè)量 mov r2,0ah zzzz:acall dealy djnz r2,zzzz jnb ,cgint1 reti cgint1:push acc push 03h push 04h push 05h push 06h inc r7 cjne r7,0ah,zhongju1 mov r7,00h mov a,53h 。由數(shù)值查時(shí)間段表 movc a,a+dptr mov 58h,a ret times: 。此時(shí) r7 中為設(shè)定值 clr c subb a,14h 。百位數(shù) mul ab mov r7,a mov a,5eh mov b,0ah 。送報(bào)警聲音 ajmp ret0 ret02:setb ex1 ret0:pop acc pop 07h reti enter: mov 54h,00h clr c mov a,5dh 。為 60 置 1 setb ex1 ajmp ret0 x5:jb ,ret0 。為 20 置 3 setb ex1 ajmp ret0 ccc1:cjne a,1eh,ccc2 mov 57h,02h 。因指令而修改 ret01: 。減 1 鍵子程序 mov a,54h cjne a,00h,llll1 ajmp ret0 llll1:cjne a,01h,llll2 dec 5fh mov a,5fh cjne a,0ffh,ret0 mov 5fh,09h ajmp ret0 zhongju:ajmp ret0 llll2:cjne a,02h,llll3 dec 5eh mov a,5eh cjne a,0ffh,ret0 mov 5eh,09h ajmp ret0 llll3:dec 5dh mov a,5dh cjne a,0ffh,ret0 mov 5dh,09h ajmp ret0 x4:jb ,x5 。選擇鍵子程序 inc 54h clr ex1 setb f0 mov a,54h cjne a,04h,x1 mov 54h,01h x1:ajmp ret0 x2:jb ,x3 。設(shè)置值顯示 movc a,a+dptr mov sbuf,a jnb ti,$ clr ti mov a,0dfh mov sbuf,a jnb ti,$ clr ti acall dealy mov a,5eh movc a,a+dptr mov sbuf,a jnb ti,$ clr ti mov a,0bfh mov sbuf,a jnb ti,$ clr ti acall dealy mov a,5fh movc a,a+dptr 第 11 頁 共 18 頁 mov sbuf,a jnb ti,$ clr ti mov a,7fh mov sbuf,a jnb ti,$ clr ti acall dealy pop acc ret dealy: mov r0,0fah lll: nop nop djnz r0,lll ret table:db 03h db 9fh db 25h db 0dh db 99h db 49h db 41h db 1fh db 01h db 09h jpint: 。選擇值顯示 cjne a,01h,zzz1 movc a,a+dptr mov sbuf,a jnb ti,$ clr ti mov a,0ffh mov sbuf,a jnb ti,$ clr ti 第 10 頁 共 18 頁 acall dealy ajmp disp1 zzz1:cjne a,02h,zzz2 movc a,a+dptr mov sbuf,a jnb ti,$ clr ti mov a,0ffh mov sbuf,a jnb ti,$ clr ti acall dealy ajmp disp1 zzz2:cjne a,03h,zzz3 movc a,a+dptr mov sbuf,a jnb ti,$ clr ti mov a,0ffh mov sbuf,a jnb ti,$ clr ti acall dealy ajmp disp1 zzz3:mov 54h,00h disp1:mov a,5ah 。啟動(dòng)定時(shí) setb disp:acall disp0 。中斷優(yōu)先級(jí) setb it0 setb it1 。計(jì)數(shù)器初值 mov th0,0d8h mov ie,87h 。初值顯示為 00 mov 58h,00h mov 59h,00h mov 5ah,00h mov 5bh,00h mov 5ch,00h mov 5dh,00h mov 5eh,00h mov 5fh,00h mov r7,00h setb f0 clr mov tmod,01h 。初值設(shè)置 mov 55h,00h mov 56h,00h 。int1 0040h main:mov sp,60h 。int0 000bh ajmp times 。當(dāng)確定了通信的鏈路后，就按照預(yù)定的數(shù)據(jù)包格式進(jìn)行通信。 通信的建立 ：在選擇方案時(shí)，考慮到通信線的多少，我們采用了串行通信，直接利用單片機(jī)本身的串行通信口，在軟件上我們考慮用串行通信的方式 0 來進(jìn)行通信。 對(duì)數(shù)據(jù)表格的處理 ：前面說過我們這個(gè)系統(tǒng)的基準(zhǔn)時(shí)鐘有兩個(gè)字節(jié)單元，而即使采用題目要求的滴速（ 20
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