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多功能AT89C2051倒计时器,AT89C2051 timer
关键字：多功能AT89C2051倒计时器
;**************************************
proc key_3
key_3:
mov dptr,#led_ord_3
mov a,key_power ;data
mov b,#02h
mul ab
jmp @a+dptr
led_ord_3: ajmp led_k0_2
ajmp led_k2_2
ajmp led_k1_2
ajmp led_k4_2
ajmp led_k3_2
ajmp led_k6_2
ajmp led_k5_2
ajmp led_k7_2
led_k0_2: ; nop
ajmp led_jmp_5_end
led_k1_2: ; al1 way off/on
cpl al1_f
jb flash_f ,tw_11
sjmp tw_21
tw_11:
mov c,al1_f
mov a,flash
mov acc.1 ,c
mov flash,a
tw_21:
ajmp led_jmp_5_end
led_k2_2: ;al1 timer
jb flash_f ,set_11
inc al1_min_t
mov a,al1_min_t
cjne a,#60 ,set_12
mov al1_min_t,#00h
set_12:
sjmp set_14
set_11:
inc al1_min
mov a,al1_min
cjne a,#60 ,set_14
mov al1_min,#00h
set_14:
ajmp led_jmp_5_end
led_k3_2: ;al2 way off/on
cpl al2_f
jb flash_f ,tw_12
sjmp tw_22
tw_12:
mov c,al2_f
mov a,flash
mov acc.2 ,c
mov flash,a
tw_22:
ajmp led_jmp_5_end
led_k4_2: ;al2 timer
jb flash_f ,set_21
inc al2_min_t
mov a,al2_min_t
cjne a,#60 ,set_22
mov al2_min_t,#00h
set_22:
sjmp set_24
set_21:
inc al2_min
mov a,al2_min
cjne a,#60 ,set_24
mov al2_min,#00h
set_24:
ajmp led_jmp_5_end
led_k5_2: ; al3 way off/on
cpl al3_f
jb flash_f ,tw_13
sjmp tw_23
tw_13:
mov c,al3_f
mov a,flash
mov acc.3 ,c
mov flash,a
tw_23:
ajmp led_jmp_5_end
led_k6_2: ;al3 timer
jb flash_f ,set_31
inc al3_min_t
mov a,al3_min_t
cjne a,#60 ,set_32
mov al3_min_t,#00h
set_32:
sjmp set_34
set_31:
inc al3_min
mov a,al3_min
cjne a,#60 ,set_34
mov al3_min,#00h
set_34:
ajmp led_jmp_5_end
led_k7_2: ; turn off/on
setb turn_f
led_jmp_5_end:
ret
end
;****************************************
proc key_2
key_2:
mov dptr,#led_ord_3
mov a,key_power ;data
mov b,#02h
mul ab
jmp @a+dptr
led_ord_3: ajmp led_k0_2
ajmp led_k2_2
ajmp led_k1_2
ajmp led_k4_2
ajmp led_k3_2
ajmp led_k6_2
ajmp led_k5_2
ajmp led_k7_2
led_k0_2: ; nop
ajmp led_jmp_5_end
led_k1_2: ; al1 way off/on
ajmp led_jmp_5_end
led_k2_2: ;al1 timer
jb flash_f ,set_311
inc al1_hour_t
mov a,al1_hour_t
cjne a,#20d ,set_321
mov al1_hour_t,#00h
set_321:
sjmp set_341
set_311:
inc al1_hour
mov a,al1_hour
cjne a,#20d ,set_341
mov al1_hour,#00h
set_341:
ajmp led_jmp_5_end
led_k3_2: ;al2 way off/on
ajmp led_jmp_5_end
led_k4_2: ;al2 timer
jb flash_f ,set_312
inc al2_hour_t
mov a,al2_hour_t
cjne a,#20d ,set_322
mov al2_hour_t,#00h
set_322:
sjmp set_342
set_312:
inc al2_hour
mov a,al2_hour
cjne a,#20d ,set_342
mov al2_hour,#00h
set_342:
ajmp led_jmp_5_end
led_k5_2: ; al3 way off/on
ajmp led_jmp_5_end
led_k6_2: ;al3 timer
jb flash_f ,set_313
inc al3_hour_t
mov a,al3_hour_t
cjne a,#20d ,set_323
mov al3_hour_t,#00h
set_323:
sjmp set_343
set_313:
inc al3_hour
mov a,al3_hour
cjne a,#20d ,set_343
mov al3_hour,#00h
set_343:
ajmp led_jmp_5_end
led_k7_2: ; turn off/on
led_jmp_5_end:
ret
end
;******************************************** led
proc led_jmp_1
led_jmp_1:
mov dptr,#led_ord_3
mov a,key_power ;data
mov b,#02h
mul ab
jmp @a+dptr
led_ord_3: ajmp led_k0_2
ajmp led_k2_2
ajmp led_k1_2
ajmp led_k4_2
ajmp led_k3_2
ajmp led_k6_2
ajmp led_k5_2
ajmp led_k7_2
led_k0_2: ; nop
setb flash_f
mov a,#89d
mov r7,#18d
acall timer_led1
clr flash_f
ajmp led_jmp_5_end
led_k1_2: ; al1 way off/on
mov led1 ,#0bh
jnb al1_f,aal_1
mov a,#0ch
mov led1,a
aal_1:
mov led3,#1d
mov led2,#led_blk
ajmp led_jmp_5_end
led_k2_2: ;al1 timer
jb flash_f ,led_m11
mov a,al1_min_t
mov r7,al1_hour_t
sjmp led_m21
led_m11:
mov a,al1_min
mov r7,al1_hour
led_m21:
acall timer_led1
ajmp led_jmp_5_end
led_k3_2: ;al2 way off/on
mov led1 ,#0bh
jnb al2_f,aal_2
mov a,#0ch
mov led1 ,a
aal_2:
mov led3,#2d
mov led2,#led_blk
ajmp led_jmp_5_end
led_k4_2: ;al2 timer
jb flash_f ,led_m12
mov a,al2_min_t
mov r7,al2_hour_t
sjmp led_m22
led_m12:
mov a,al2_min
mov r7,al2_hour
led_m22:
acall timer_led1
ajmp led_jmp_5_end
led_k5_2: ; al3 way off/on
mov led1 ,#0bh
jnb al3_f,aal_3
mov a,#0ch
mov led1 ,a
aal_3:
mov led3,#3d
mov led2,#led_blk
ajmp led_jmp_5_end
led_k6_2: ;al3 timer
jb flash_f ,led_m13
mov a,al3_min_t
mov r7,al3_hour_t
sjmp led_m23
led_m13:
mov a,al3_min
mov r7,al3_hour
led_m23:
acall timer_led1
ajmp led_jmp_5_end
led_k7_2: ; turn off/on
mov led3,#00h
mov led2,#0bh;led_b
mov led1,#0bh;led_b
led_jmp_5_end:
acall led
ret
end
timer_led1:
;*******************************min to led
MOV B,#10D
DIV AB
mov led2,a
mov a,b
mov led1,a
;*******************************hour to led
mov a,r7
MOV B,#10D
DIV AB
mov r1,a
mov a,b
mov b,r1
mov r1,a
jnz tt_2
tt_1: mov a,#led_blk
tt_2:
mov led3,a
clr all_s
mov a,b
jz tt_3
setb all_s
mov led3 ,r1
tt_3:
ret
;********************
; LED_PROGRAM
;*******************
LED:
mov c,flash_f
jnc ffl_1
mov c,timer_50ms
jc ffl_1
;mov led1,#led_blk
;mov led2,#led_blk
;mov led3,#led_blk
ajmp led_end
ffl_1:
mov dptr,#led_asc
;***************************led1
mov a,led1
movc a,@a+dptr
mov c, timer_50ms
mov acc.0,c
mov p1,a
clr led_1
acall timer_1ms
setb led_1
;*************************led2
led_led2:
mov a,led2
movc a,@a+dptr
mov p1,a
clr led_2
acall timer_1ms
setb led_2
;*************************led3
led_led3:
mov a,led3
movc a,@a+dptr
mov c,all_s
mov acc.0 ,c
mov p1,a
clr led_3
acall timer_1ms
setb led_3
;*************************
led_end:
mov p1,#0ffh
mov a,p3
orl a,#11111000b
mov p3,a
ret
led_asc:
db 11101110B;0 "bafgecdh"
db 10000100B;1
db 11011010B;2
db 11010110B;3
db 10110100B;4
db 01110110B;5
db 01111110B;6
db 11000100B;7
db 11111110B;8
db 11110110B;9
DB 00000000B;BLACK=>0aH
DB 01111000B;f=>b
dB 11101100B;e=>C
DB 00110000B;1,=>D
;**********************************
;delay
;********************************
timer_1ms:
push b
mov r2,#01h
a_1: mov b,#020h
b_1: djnz b,b_1
djnz r2,a_1
pop b
ret
;******************
; TO-T1_INT T1定时器完成100毫秒定时(6M晶振)
;******************
T1:
setb tr0
PUSH ACC ;程序参数保护
PUSH b ;
push psw
inc time_led1
mov a,time_led1
cjne a,#5d,t1_n1;判断time_led1中是否满5?
mov time_led1,#00h
cpl timer_50ms;满50毫秒后对50毫秒标志位取反
; mov a,timers
; cjne a,#10d ,t1_n11;判断timers中是否满10?
;t1_n12:
; clr timer_1s;满1秒后对1秒标志位取反
sjmp t1_n1
;*********************************
t1_end_2: ajmp t1_end_1
;********************************
;t1_n11: jc t1_n12
; setb timer_1s
t1_n1: djnz timers ,t1_end_2
mov timers,#tis
inc time_led3
mov a,time_led3
cjne a,#03d,t1_sec
mov time_led3,#00h
cpl timer_3s
t1_sec:
inc sec
mov a,sec
cjne a,#60d ,t1_end
mov sec,#00d
jnb al1_f ,t1_al1
mov a,al1_min_t
mov b,al1_hour_t
mov c ,aal1_f
acall al_all
mov al1_min_t,a
mov al1_hour_t,b
mov aal1_f,c
t1_al1:
jnb al2_f ,t1_al2
mov a,al2_min_t
mov b,al2_hour_t
mov c ,aal2_f
acall al_all
mov al2_min_t,a
mov al2_hour_t,b
mov aal2_f,c
t1_al2:
jnb al3_f ,t1_al3
mov a,al3_min_t
mov b,al3_hour_t
mov c ,aal3_f
acall al_all
mov al3_min_t,a
mov al3_hour_t,b
mov aal3_f,c
t1_al3:
T1_END:
t1_end_1:
;************************************ sub t0 timer
clr c
clr tr0
mov b,timer_no
mov a,#til
add a,tl0
addc a,b ;*******have 5 order
mov tl1 ,a
mov a,#tih
addc a, th0
mov th1,a
mov th0,#00h
mov tl0,#00h
setb tr1
pop psw
pop b ;
pop acc ;
RETI ;
;************************************
beep:
clr ha
mov r6,#060h
bee_2: mov r4,#0ffh
bee_1:
djnz r4 ,bee_1
djnz r6,bee_2
setb ha
ret
;***************************************
stop:
mov a,#0ffh
mov p1,a
mov p3,a
mov a,pcon
orl a,#00000010b
mov pcon,a
ret
al_out_way:
jnb aal1_f ,al_out1
mov r3,#0ffh
pnp_3:
mov b,#060h
pnp_4:
push b
acall led_jmp_1;led_times
mov c,timer_50ms
mov ha ,c
pop b
djnz b ,pnp_4
djnz r3 ,pnp_3
mov c,al2_f
orl c,al3_f
jc al_out54
acall stop
al_out54:
clr aal1_f
clr al1_f
sjmp al_out4
al_out1:
jnb aal2_f ,al_out2
clr pnp1
mov r3,#0ffh
pnp_1:
mov b,#020h
pnp_2:
push b
acall led_jmp_1;led_times
pop b
djnz b ,pnp_2
djnz r3 ,pnp_1
setb pnp1
mov c,al1_f
orl c,al3_f
jc al_out64
acall stop
al_out64:
clr aal2_f
clr al2_f
sjmp al_out4
al_out2:
jnb aal3_f ,al_out3
clr pnp2
al_out3:
jnb turn_f ,al_out4
acall stop
al_out4:
ret
;*******************************************
al_all:
jc al_all_1
dec a
jnz al_all_1
mov a,b
jz al_all_3
dec b
sjmp al_all_2
al_all_3:
setb c
sjmp al_all_1
al_all_2:
mov a,#60d
al_all_1:
ret
;看懂别人写的汇编程序是很困难的事情,我希望有兴趣的网友能帮我完成这段程序的中文注释,这样可以使初学者能够更加容易学会编程.
这是上面程序汇编以后获得的编程器烧写文件： 倒计时.rar
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