遥控控制PT225电子音量
大家来看看我编的用遥控器控制PT2258做的5.1功放的程序BIG equ12h;10db2258调整存放
SML equ13h;1DB2258调整存放
INBUFF equ14h;2416I2C输入
OUTBUFF equ15h;24C02输出
PAGE_2416 equ16h;24C02器件地址
ADDR_2416IC equ17h;24C02字节地址
FLAG_T0 equ18h
FLAG5 equ19h
AIRDATAEQU1AH;遥控用户码低8位
BIRDATAEQU1BH;遥控用户码高8位
CIRDATAEQU1CH;遥控键码
DIRDATAEQU1DH;遥控键反码
LEDT0 EQU1EH
LEDJS EQU1Fh
addr2258equ88h;2258器件地址
tempbuffequ30h
flag_i2cbit20h.1
FLAG_IRBIT 20H.0
sda bit p3.5;PT2258SDA
scl bit p3.4;PT2258SCL
flag_mute bit p3.1;=0静音关,=1静音开
flag_led bit p3.0;有遥控信号闪8下,没信号长亮
sda1 bit p1.1;24C02SDA
scl1 bit p1.0;24C02SCL
org0000h
ljmp start
org000bh
ljmp int_t0
org0040h
start:
mov sp,#60h
mov p1,#0ffh
mov p3,#0ffh
setb flag_mute
setb flag_led
mov tmod,#01h
mov th0,#00h
mov tl0,#00h
; setbtr0
; setbet0
; clr tf0
; setbea
; mov ledt0,#00h
; mov ledjs,#00h
; mov dptr,#table
; mov led1,#0eh
; mov led2,#0eh
; mov led3,#5h
; mov led4,#1h
; mov led5,#10h
; mov led6,#08h
; mov led7,#08h
; mov led8,#08h
; mov led9,#08h
; mov led10,#11h
MAIN1: MOV R0,#0ffH
loop1: LCALLDELAY2400
lcalldelay1000
lcalldelay882
djnz r0,loop1
clr flag_mute
lcall init2416
lcall tiao2258
main:
jnbp3.2,ir;为0就是有遥控信号来了
infrared_on:
JB FLAG_IR,COUNT_2322
;LCALL INIT2416
;mov softdog,#00h
ljmpmain
;*********************
;遥控子程序,输出在CIRDATA为键码,DIRDATA为键码反码,
;AIRDATA为用户码低8位,BIRDATA为用户码高8位,有键按
;下置位FLAG_IR
;*******************
ir:
movr6,#9
sb:
acalldelay882;延是0.8ms
jbp3.2,exit;是误信号退出
djnzr6,sb ;延时8.82ms是误信号退出
jnb p3.2,$;等待9ms低电平过去
acalldelay2400;延时2.4ms
jnb p3.2,ir_rp;为低电平则为连按
;acall delay2400;
JB P3.2,$
;LCALL DELAY500
mov r1,#AIRDATA
mov r2,#4
pp:
mov r3,#8
jjjj:
jnb p3.2,$
lcalldelay882
mov c,p3.2
jnc uuu
lcall delay1000
uuu:
mov a,@r1
rrc a
mov @r1,a
djnz r3,jjjj
inc r1
djnz r2,pp
MOV A,DIRDATA
CPL A
CJNE A,CIRDATA,EXIT
SETB FLAG_IR
JMP EXIT
IR_RP: mov r6,#28h;延时96ms到下一个108毫秒来
delay96:
lcall delay2400
djnz r6,delay96
SETB FLAG_IR
EXIT:jmp infrared_on
;******************
;遥控按键处理
;************************
COUNT_2322:
CLR FLAG_IR
;********************
setb ea
setb et0 ;开T0定时中断,遥控时灯闪8下间隔500ms
setb tr0
MOV FLAG_T0,#0A0H
MOV FLAG5,#08H
;************************
MOV A,CIRDATA
CJNE A,#00H,VOLDEC
cendec:
mov PAGE_2416,#0a0h
mov ADDR_2416IC,#0b5h
lcall READ_2416
mov a,outbuff
mov sml,a
cjne a,#09h,cen_smlinc
mov PAGE_2416,#0a0h
mov ADDR_2416IC,#0b6h
lcall READ_2416
mov a,outbuff
mov big,a
cjne a,#07h,cen_biginc
ljmp count_2322_end
cen_biginc:
inc big
mov sml,#00h
mov PAGE_2416,#0a0h
mov ADDR_2416IC,#0b6h
mov inbuff,big
lcall write_2416
mov ADDR_2416IC,#0b5h
mov inbuff,sml
lcall write_2416
jmp cendec_end
cen_smlinc:
inc sml
mov PAGE_2416,#0a0h
mov ADDR_2416IC,#0b5h
mov inbuff,sml
lcall write_2416
jmp cendec_end
cendec_end:
lcall cen2258
count_2322_end:
ljmp main
;****************
voldec:cjne a,#01h,voladd
mov PAGE_2416,#0a0h
mov ADDR_2416IC,#15h
lcall READ_2416
mov a,outbuff
mov sml,a
cjne a,#09h,vol_smlinc
mov PAGE_2416,#0a0h
mov ADDR_2416IC,#16h
lcall READ_2416
mov a,outbuff
mov big,a
cjne a,#07h,vol_biginc
ljmp count_2322_end
vol_biginc:
inc big
mov sml,#00h
mov PAGE_2416,#0a0h
mov ADDR_2416IC,#16h
mov inbuff,big
lcall write_2416
mov ADDR_2416IC,#15h
mov inbuff,sml
lcall write_2416
jmp vol_dec_end
vol_smlinc:
inc sml
mov PAGE_2416,#0a0h
mov ADDR_2416IC,#015h
mov inbuff,sml
lcall write_2416
jmp vol_dec_end
vol_dec_end:
lcall vol2258
ljmp main
;************
voladd:cjne a,#02h,frdec
mov PAGE_2416,#0a0h
mov ADDR_2416IC,#15h
lcall READ_2416
mov a,outbuff
mov sml,a
cjne a,#00h,vol_smldec
mov PAGE_2416,#0a0h
mov ADDR_2416IC,#16h
lcall READ_2416
mov a,outbuff
mov big,a
cjne a,#00h,vol_bigdec
ljmp count_2322_end
vol_bigdec:
dec big
mov sml,#09h
mov PAGE_2416,#0a0h
mov ADDR_2416IC,#16h
mov inbuff,big
lcall write_2416
mov ADDR_2416IC,#15h
mov inbuff,sml
lcall write_2416
jmp vol_add_end
vol_smldec:
dec sml
mov PAGE_2416,#0a0h
mov ADDR_2416IC,#15h
mov inbuff,sml
lcall write_2416
jmp fr_add_end
VOL_add_end:
lcall vol2258
ljmp main
;***************
frdec:cjne a,#04h,fradd
mov PAGE_2416,#0a0h
mov ADDR_2416IC,#35h
lcall READ_2416
mov a,outbuff
mov sml,a
cjne a,#09h,fr_smlinc
mov PAGE_2416,#0a0h
mov ADDR_2416IC,#36h
lcall READ_2416
mov a,outbuff
mov big,a
cjne a,#07h,fr_biginc
ljmp count_2322_end
fr_biginc:
inc big
mov sml,#00h
mov PAGE_2416,#0a0h
mov ADDR_2416IC,#36h
mov inbuff,big
lcall write_2416
mov ADDR_2416IC,#35h
mov inbuff,sml
lcall write_2416
jmp fr_dec_end
fr_smlinc:
inc sml
mov PAGE_2416,#0a0h
mov ADDR_2416IC,#35h
mov inbuff,sml
lcall write_2416
jmp fr_dec_end
fr_dec_end:
lcall fr2258
ljmp main
;
fradd:cjne a,#05h,fldec
mov PAGE_2416,#0a0h
mov ADDR_2416IC,#35h
lcall READ_2416
mov a,outbuff
mov sml,a
cjne a,#00h,fr_smldec
mov PAGE_2416,#0a0h
mov ADDR_2416IC,#36h
lcall READ_2416
mov a,outbuff
mov big,a
cjne a,#00h,fr_bigdec
ljmp count_2322_end
fr_bigdec:
dec big
mov sml,#09h
mov PAGE_2416,#0a0h
mov ADDR_2416IC,#36h
mov inbuff,big
lcall write_2416
mov ADDR_2416IC,#35h
mov inbuff,sml
lcall write_2416
jmp fr_add_end
fr_smldec:
dec sml
mov PAGE_2416,#0a0h
mov ADDR_2416IC,#35h
mov inbuff,sml
lcall write_2416
jmp fr_add_end
fr_add_end:
lcall fr2258
ljmp main
fldec:cjne a,#07h,fladd
mov PAGE_2416,#0a0h
mov ADDR_2416IC,#55h
lcall READ_2416
mov a,outbuff
mov sml,a
cjne a,#09h,fl_smlinc
mov PAGE_2416,#0a0h
mov ADDR_2416IC,#56h
lcall READ_2416
mov a,outbuff
mov big,a
cjne a,#07h,fL_biginc
ljmp count_2322_end
fl_biginc:
inc big
mov sml,#00h
mov PAGE_2416,#0a0h
mov ADDR_2416IC,#56h
mov inbuff,big
lcall write_2416
mov ADDR_2416IC,#55h
mov inbuff,sml
lcall write_2416
jmp fl_dec_end
fl_smlinc:
inc sml
mov PAGE_2416,#0a0h
mov ADDR_2416IC,#55h
mov inbuff,sml
lcall write_2416
jmp fl_dec_end
fl_dec_end:
lcall fl2258
ljmp main
fladd:cjne a,#08h,srdec
mov PAGE_2416,#0a0h
mov ADDR_2416IC,#55h
lcall READ_2416
mov a,outbuff
mov sml,a
cjne a,#00h,fl_smldec
mov PAGE_2416,#0a0h
mov ADDR_2416IC,#56h
lcall READ_2416
mov a,outbuff
mov big,a
cjne a,#00h,fl_bigdec
ljmp count_2322_end
fl_bigdec:
dec big
mov sml,#09h
mov PAGE_2416,#0a0h
mov ADDR_2416IC,#56h
mov inbuff,big
lcall write_2416
mov ADDR_2416IC,#55h
mov inbuff,sml
lcall write_2416
jmp fl_add_end
fl_smldec:
dec sml
mov PAGE_2416,#0a0h
mov ADDR_2416IC,#55h
mov inbuff,sml
lcall write_2416
jmp fl_add_end
fl_add_end:
lcall fl2258
ljmp main
srdec:cjne a,#0ah,sradd
mov PAGE_2416,#0a0h
mov ADDR_2416IC,#75h
lcall READ_2416
mov a,outbuff
mov sml,a
cjne a,#09h,sr_smlinc
mov PAGE_2416,#0a0h
mov ADDR_2416IC,#76h
lcall READ_2416
mov a,outbuff
mov big,a
cjne a,#07h,sr_biginc
ljmp count_2322_end
sr_biginc:
inc big
mov sml,#00h
mov PAGE_2416,#0a0h
mov ADDR_2416IC,#76h
mov inbuff,big
lcall write_2416
mov ADDR_2416IC,#75h
mov inbuff,sml
lcall write_2416
jmp srdec_end
sr_smlinc:
inc sml
mov PAGE_2416,#0a0h
mov ADDR_2416IC,#75h
mov inbuff,sml
lcall write_2416
jmp srdec_end
srdec_end:
lcall sr2258
ljmp main
sradd:cjne a,#1bh,sldec
mov PAGE_2416,#0a0h
mov ADDR_2416IC,#75h
lcall READ_2416
mov a,outbuff
mov sml,a
cjne a,#00h,sr_smldec
mov PAGE_2416,#0a0h
mov ADDR_2416IC,#76h
lcall READ_2416
mov a,outbuff
mov big,a
cjne a,#00h,sr_bigdec
ljmp count_2322_end
sr_bigdec:
dec big
mov sml,#09h
mov PAGE_2416,#0a0h
mov ADDR_2416IC,#76h
mov inbuff,big
lcall write_2416
mov ADDR_2416IC,#75h
mov inbuff,sml
lcall write_2416
jmp sr_add_end
sr_smldec:
dec sml
mov PAGE_2416,#0a0h
mov ADDR_2416IC,#75h
mov inbuff,sml
lcall write_2416
jmp sr_add_end
sr_add_end:
lcall sr2258
ljmp main
sldec:cjne a,#0ch,sladd
mov PAGE_2416,#0a0h
mov ADDR_2416IC,#95h
lcall READ_2416
mov a,outbuff
mov sml,a
cjne a,#09h,sl_smlinc
mov PAGE_2416,#0a0h
mov ADDR_2416IC,#96h
lcall READ_2416
mov a,outbuff
mov big,a
cjne a,#07h,sl_biginc
ljmp count_2322_end
sl_biginc:
inc big
mov sml,#00h
mov PAGE_2416,#0a0h
mov ADDR_2416IC,#96h
mov inbuff,big
lcall write_2416
mov ADDR_2416IC,#95h
mov inbuff,sml
lcall write_2416
jmp sldec_end
sl_smlinc:
inc sml
mov PAGE_2416,#0a0h
mov ADDR_2416IC,#95h
mov inbuff,sml
lcall write_2416
jmp sldec_end
sldec_end:
lcall sl2258
ljmp main
sladd:cjne a,#0dh,cenadd
mov PAGE_2416,#0a0h
mov ADDR_2416IC,#95h
lcall READ_2416
mov a,outbuff
mov sml,a
cjne a,#00h,sl_smldec
mov PAGE_2416,#0a0h
mov ADDR_2416IC,#96h
lcall READ_2416
mov a,outbuff
mov big,a
cjne a,#00h,sl_bigdec
ljmp count_2322_end
sl_bigdec:
dec big
mov sml,#09h
mov PAGE_2416,#0a0h
mov ADDR_2416IC,#96h
mov inbuff,big
lcall write_2416
mov ADDR_2416IC,#95h
mov inbuff,sml
lcall write_2416
jmp sl_add_end
sl_smldec:
dec sml
mov PAGE_2416,#0a0h
mov ADDR_2416IC,#95h
mov inbuff,sml
lcall write_2416
jmp sl_add_end
sl_add_end:
lcall sl2258
ljmp main
cenadd:cjne a,#0fh,subdec
mov PAGE_2416,#0a0h
mov ADDR_2416IC,#0b5h
lcall READ_2416
mov a,outbuff
mov sml,a
cjne a,#00h,cen_smldec
mov PAGE_2416,#0a0h
mov ADDR_2416IC,#0b6h
lcall READ_2416
mov a,outbuff
mov big,a
cjne a,#00h,cen_bigdec
ljmp count_2322_end
cen_bigdec:
dec big
mov sml,#09h
mov PAGE_2416,#0a0h
mov ADDR_2416IC,#0b6h
mov inbuff,big
lcall write_2416
mov ADDR_2416IC,#0b5h
mov inbuff,sml
lcall write_2416
jmp cen_add_end
cen_smldec:
dec sml
mov PAGE_2416,#0a0h
mov ADDR_2416IC,#0b5h
mov inbuff,sml
lcall write_2416
jmp cen_add_end
cen_add_end:
lcall cen2258
ljmp main
subdec:cjne a,#19h,subadd
mov PAGE_2416,#0a0h
mov ADDR_2416IC,#0d5h
lcall READ_2416
mov a,outbuff
mov sml,a
cjne a,#09h,sub_smlinc
mov PAGE_2416,#0a0h
mov ADDR_2416IC,#0d6h
lcall READ_2416
mov a,outbuff
mov big,a
cjne a,#07h,sub_biginc
ljmp count_2322_end
sub_biginc:
inc big
mov sml,#00h
mov PAGE_2416,#0a0h
mov ADDR_2416IC,#0d6h
mov inbuff,big
lcall write_2416
mov ADDR_2416IC,#0d5h
mov inbuff,sml
lcall write_2416
jmp subdec_end
sub_smlinc:
inc sml
mov PAGE_2416,#0a0h
mov ADDR_2416IC,#0d5h
mov inbuff,sml
lcall write_2416
jmp subdec_end
subdec_end:
lcall sub2258
ljmp main
subadd:cjne a,#0eh,mute
mov PAGE_2416,#0a0h
mov ADDR_2416IC,#0d5h
lcall READ_2416
mov a,outbuff
mov sml,a
cjne a,#00h,sub_smldec
mov PAGE_2416,#0a0h
mov ADDR_2416IC,#0d6h
lcall READ_2416
mov a,outbuff
mov big,a
cjne a,#00h,sub_bigdec
ljmp count_2322_end
sub_bigdec:
dec big
mov sml,#09h
mov PAGE_2416,#0a0h
mov ADDR_2416IC,#0d6h
mov inbuff,big
lcall write_2416
mov ADDR_2416IC,#0d5h
mov inbuff,sml
lcall write_2416
jmp sub_add_end
sub_smldec:
dec sml
mov PAGE_2416,#0a0h
mov ADDR_2416IC,#0d5h
mov inbuff,sml
lcall write_2416
jmp sub_add_end
sub_add_end:
lcall sub2258
ljmp main
mute:cjne a,#1fh,count_2322_out
cpl flag_mute
count_2322_out:
ljmp main
;******************************
;**************************
DELAY882:
MOV R7,#220
DELAY882LOOP:
NOP
NOP
DJNZ R7,DELAY882LOOP
RET
DELAY1000:
MOV R7,#249
DELAY1000LOOP:
NOP
NOP
DJNZ R7,DELAY1000LOOP
RET
DELAY2400:
MOV R7,#239
DELAY2400LOOP:
NOP
NOP
NOP
NOP
NOP
NOP
NOP
NOP
DJNZ R7,DELAY2400LOOP
RET
;************************
;****************************
vol2258:
mov PAGE_2416,#0a0h
mov ADDR_2416IC,#15h
lcall READ_2416
mov a,outbuff
mov sml,a
mov PAGE_2416,#0a0h
mov ADDR_2416IC,#16h
lcall READ_2416
mov a,outbuff
mov big,a
lcall i2c_bigen
mov tempbuff,#addr2258
lcall bitout_2416
mov a,big
anl a,#0fh
orl a,#11010000b
mov tempbuff,a
lcall bitout_2416
mov a,sml
anl a,0fh
orl a,#11100000b
mov tempbuff,a
lcall bitout_2416
lcall i2c_end
ret
fr2258:
mov PAGE_2416,#0a0h
mov ADDR_2416IC,#35h
lcall READ_2416
mov a,outbuff
mov sml,a
mov PAGE_2416,#0a0h
mov ADDR_2416IC,#36h
lcall READ_2416
mov a,outbuff
mov big,a
lcall i2c_bigen
mov tempbuff,#addr2258
lcall bitout_2416
mov a,big
anl a,#0fh
orl a,#01000000b
mov tempbuff,a
lcall bitout_2416
mov a,sml
anl a,0fh
orl a,#01010000b
mov tempbuff,a
lcall bitout_2416
lcall i2c_end
ret
fl2258:
mov PAGE_2416,#0a0h
mov ADDR_2416IC,#55h
lcall READ_2416
mov a,outbuff
mov sml,a
mov PAGE_2416,#0a0h
mov ADDR_2416IC,#56h
lcall READ_2416
mov a,outbuff
mov big,a
lcall i2c_bigen
mov tempbuff,#addr2258
lcall bitout_2416
mov a,big
anl a,#0fh
orl a,#10000000b
mov tempbuff,a
lcall bitout_2416
mov a,sml
anl a,0fh
orl a,#10010000b
mov tempbuff,a
lcall bitout_2416
lcall i2c_end
ret
sr2258:
mov PAGE_2416,#0a0h
mov ADDR_2416IC,#75h
lcall READ_2416
mov a,outbuff
mov sml,a
mov PAGE_2416,#0a0h
mov ADDR_2416IC,#76h
lcall READ_2416
mov a,outbuff
mov big,a
lcall i2c_bigen
mov tempbuff,#addr2258
lcall bitout_2416
mov a,big
anl a,#0fh
orl a,#10100000b
mov tempbuff,a
lcall bitout_2416
mov a,sml
anl a,0fh
orl a,#10110000b
mov tempbuff,a
lcall bitout_2416
lcall i2c_end
ret
sl2258:
mov PAGE_2416,#0a0h
mov ADDR_2416IC,#95h
lcall READ_2416
mov a,outbuff
mov sml,a
mov PAGE_2416,#0a0h
mov ADDR_2416IC,#96h
lcall READ_2416
mov a,outbuff
mov big,a
lcall i2c_bigen
mov tempbuff,#addr2258
lcall bitout_2416
mov a,big
anl a,#0fh
orl a,#01100000b
mov tempbuff,a
lcall bitout_2416
mov a,sml
anl a,0fh
orl a,#01110000b
mov tempbuff,a
lcall bitout_2416
lcall i2c_end
ret
cen2258:
mov PAGE_2416,#0a0h
mov ADDR_2416IC,#0b5h
lcall READ_2416
mov a,outbuff
mov sml,a
mov PAGE_2416,#0a0h
mov ADDR_2416IC,#0b6h
lcall READ_2416
mov a,outbuff
mov big,a
lcall i2c_bigen
mov tempbuff,#addr2258
lcall bitout_2416
mov a,big
anl a,#0fh
orl a,#00000000b
mov tempbuff,a
lcall bitout_2416
mov a,sml
anl a,0fh
orl a,#00010000b
mov tempbuff,a
lcall bitout_2416
lcall i2c_end
ret
sub2258:
mov PAGE_2416,#0a0h
mov ADDR_2416IC,#0d5h
lcall READ_2416
mov a,outbuff
mov sml,a
mov PAGE_2416,#0a0h
mov ADDR_2416IC,#0d6h
lcall READ_2416
mov a,outbuff
mov big,a
lcall i2c_bigen
mov tempbuff,#addr2258
lcall bitout_2416
mov a,big
anl a,#0fh
orl a,#00100000b
mov tempbuff,a
lcall bitout_2416
mov a,sml
anl a,0fh
orl a,#00110000b
mov tempbuff,a
lcall bitout_2416
lcall i2c_end
ret
tiao2258:lcall vol2258
lcall fr2258
lcall fl2258
lcall sr2258
lcall sl2258
lcall cen2258
lcall sub2258
ret
;******************************
;初始化2416,13H=12H,33H=30H,53H=30H,73H=30H,
;93H=30,0B3H=30H,0D3H=30H,不是就到重新初始化
;到INIT2416GOOD
;*******************
init2416:
MOV ADDR_2416IC,#13h
mov PAGE_2416,#0a0h
lcall read_2416
mov a,outbuff
cjne a,#12h,init2416_good
MOV ADDR_2416IC,#33h
mov PAGE_2416,#0a0h
lcall read_2416
mov a,outbuff
cjne a,#30h,init2416_good
MOV ADDR_2416IC,#53h
mov PAGE_2416,#0a0h
lcall read_2416
mov a,outbuff
cjne a,#30h,init2416_good
MOV ADDR_2416IC,#73h
mov PAGE_2416,#0a0h
lcall read_2416
mov a,outbuff
cjne a,#30h,init2416_good
MOV ADDR_2416IC,#93h
mov PAGE_2416,#0a0h
lcall read_2416
mov a,outbuff
cjne a,#30h,init2416_good
MOV ADDR_2416IC,#0b3h
mov PAGE_2416,#0a0h
lcall read_2416
mov a,outbuff
cjne a,#30h,init2416_good
MOV ADDR_2416IC,#0d3h
mov PAGE_2416,#0a0h
lcall read_2416
mov a,outbuff
cjne a,#30h,init2416_good
jmp init2416_end
init2416_good:
mov r4,#00h
mov r5,#00h
init2416vol:
mov dptr,#vol_tab
mov ADDR_2416IC,#17h
init2416loop:
mov inbuff,#00h
lcall write_2416
dec ADDR_2416IC
mov a,r4
rl a
movc a,@a+dptr
mov inbuff,a
lcall write_2416
dec ADDR_2416IC
mov a,r4
rl a
inc a
movc a,@a+dptr
mov inbuff,a
lcall write_2416
dec ADDR_2416IC
mov a,r4
rl a
inc a
inc a
movc a,@a+dptr
mov inbuff,a
lcall write_2416
dec ADDR_2416IC
mov a,r4
rl a
inc a
inc a
inc a
movc a,@a+dptr
mov inbuff,a
lcall write_2416
inc r5
init2416fr:
cjne r5,#01h,init2416fl
mov ADDR_2416IC,#37h
mov dptr,#fr_tab
jmp init2416loop
init2416fl:
cjne r5,#02h,init2416sr
mov ADDR_2416IC,#57h
mov dptr,#fl_tab
jmp init2416loop
init2416sr:
cjne r5,#03h,init2416sl
mov ADDR_2416IC,#77h
mov dptr,#sr_tab
jmp init2416loop
init2416sl:
cjne r5,#04h,init2416cen
mov ADDR_2416IC,#97h
mov dptr,#sl_tab
jmp init2416loop
init2416cen:
cjne r5,#05h,init2416sub
mov ADDR_2416IC,#0b7h
mov dptr,#cen_tab
jmp init2416loop
init2416sub:
cjne r5,#06h,init2416_end
mov ADDR_2416IC,#0d7h
mov dptr,#sub_tab
jmp init2416loop
init2416_end:ret
;***************
vol_tab:
db 03h,09h,00h,12h;06h,3123h,1003H, 0000h, 0000h,11e0h,3123h;0707h
; 16h,15h,14h,13h, 0
fr_tab:
dw 0fh,0fh,00h,30h;c2h, 31d2h, 0000h, 0000h, 0000h,0000h, 3123h
; 36h,35h,34h,33h,数字 F L 0
fl_tab:
dw 0fh,0fh,00h,30h;c2h, 1003H, 0000h, 0000h, 0000h,0000h, 3123h
; 56h,55h,54h,53h,数字 S R 0
sr_tab:
dw 0fh,0fh,00h,30h;e1h, 31d2h, 0000h, 0000h, 0000h,0000h, 3123h
; 76h,75h,74h,73h,数字 S L 0
sl_tab:
dw 0fh,0fh,00h,30h;e1h, 1003H, 0000h, 0000h, 0000h,0000h, 3123h
; 96h,95h,94h,93h;数字 C E N 0
cen_tab:
dw 0fh,0fh,00h,30h;03h,30c3h,1932h, 0000h, 0000h,0000h, 3123h
; b6h,b5h,b4h,b3h;数字 S U B 0
sub_tab:
dw 0fh,0fh,00h,30h;e1h, 1123h,31e3h, 0000h, 0000h,0000h,3123h
; d6h,d5h,d4h,d3h;数字 T R E 0
;--------------------------------------------------
;Serial I2C Sub Program
;---------------------------------------------------
I2C_Bigen:
setb sda
nop
nop
nop
nop
nop
nop
setb scl
nop
nop
nop
nop
nop
jnb scl,$
clr sda
nop
nop
nop
nop
nop
clr scl
nop
nop
nop
nop
nop
ret
;------------------------------------------------
I2C_End:
clr scl
nop
nop
nop
nop
nop
nop
clr sda
nop
nop
nop
nop
nop
nop
;jb scl,$
setb scl
nop
nop
nop
nop
nop
nop
setb sda
nop
nop
nop
nop
ret
;-------------------------------------------
;主应答
;-------------------------------------------
i2c_sendack:
clr sda
nop
setb scl
nop
clr scl
nop
setb sda
ret
;-------------------------------
;无应答
;-----------------------------
I2C_noack:
setb sda
nop
setb scl
nop
clr scl
ret
;------------------------------------------------
;I2C输出一个字节
;输入的参数在 tempbuff
;------------------------------------------------
BitOut_2416:
mov r0,#08h
mov a,TempBuff
BitOut_2416_8bit:
jnb acc.7,BitOut_2416_low
setb sda
sjmp BitOut_2416_again
BitOut_2416_low:
clr sda
BitOut_2416_again:
nop
nop
nop
nop
nop
nop
setb scl
nop
nop
nop
nop
jnb scl,$
;nop
nop
clr scl
nop
nop
nop
nop
nop
rl a
djnz r0,BitOut_2416_8bit
nop
setb sda ;这里要等待回答信号?
mov r6,#00h
nop
setb scl
jnb scl,$
nop
BitOut_2416_loop:
jnb sda,BitOut_2416_good
inc r6
cjne r6,#08h,BitOut_2416_loop
nop ;这里是出错的地方
setb flag_i2c
BitOut_2416_good:
clr scl
ret
;------------------------------------------------
;输出的参数在A中
;------------------------------------------------
BitIn_2416:
mov a,#00h
mov r0,#08h
setb sda
;clr scl
;nop
BitIn_2416_8bit:
setb scl
rl a
nop
jnb sda,BitIn_8bit_2416_low
setb acc.0
sjmp BitIn_8bit__2416again
BitIn_8bit_2416_low:
clr acc.0
BitIn_8bit__2416again:
clr scl
nop
nop
nop
djnz r0,BitIn_2416_8bit
;clr sda
;nop
;setb scl
;nop
;clr scl
;nop
ret
;--------------------------------------------------
;Serial I2C Sub Program
;---------------------------------------------------
I2C_Bigen1:
setb sda1
nop
nop
nop
nop
nop
nop
setb scl1
nop
nop
nop
nop
nop
jnb scl1,$
clr sda1
nop
nop
nop
nop
nop
clr scl1
nop
nop
nop
nop
nop
ret
;------------------------------------------------
I2C_End1:
clr scl1
nop
nop
nop
nop
nop
nop
clr sda1
nop
nop
nop
nop
nop
nop
jb scl1,$
setb scl1
nop
nop
nop
nop
nop
nop
setb sda1
nop
nop
nop
nop
ret
;-------------------------------------------
;主应答
;-------------------------------------------
i2c_sendack1:
clr sda1
nop
setb scl1
nop
clr scl1
nop
setb sda1
ret
;-------------------------------
;无应答
;-----------------------------
I2C_noack1:
setb sda1
nop
setb scl1
nop
clr scl1
ret
;------------------------------------------------
;I2C输出一个字节
;输入的参数在 tempbuff
;------------------------------------------------
BitOut_24161:
mov r0,#08h
mov a,TempBuff
BitOut_2416_8bit1:
jnb acc.7,BitOut_2416_low1
setb sda1
sjmp BitOut_2416_again1
BitOut_2416_low1:
clr sda1
BitOut_2416_again1:
nop
nop
nop
nop
nop
nop
setb scl1
nop
nop
nop
nop
jnb scl1,$
;nop
nop
clr scl1
nop
nop
nop
nop
nop
rl a
djnz r0,BitOut_2416_8bit1
nop
setb sda1 ;这里要等待回答信号?
mov r6,#00h
nop
setb scl1
jnb scl1,$
nop
BitOut_2416_loop1:
jnb sda1,BitOut_2416_good1
inc r6
cjne r6,#08h,BitOut_2416_loop1
nop ;这里是出错的地方
setb flag_i2c
BitOut_2416_good1:
clr scl1
ret
;------------------------------------------------
;输出的参数在A中
;------------------------------------------------
BitIn_24161:
mov a,#00h
mov r0,#08h
setb sda
;clr scl
;nop
BitIn_2416_8bit1:
setb scl1
rl a
nop
jnb sda1,BitIn_8bit_2416_low1
setb acc.0
sjmp BitIn_8bit__2416again1
BitIn_8bit_2416_low1:
clr acc.0
BitIn_8bit__2416again1:
clr scl1
nop
nop
nop
djnz r0,BitIn_2416_8bit1
;clr sda
;nop
;setb scl
;nop
;clr scl
;nop
ret
;------------------------------------------------
;从2416中读出一个字节的子程序
;输入的参数：2416ic_addr,page_2416
;输出的参数：outbuff
;------------------------------------------------
Read_2416:
lcall I2C_Bigen1
mov tempbuff,page_2416;#address_2416
lcall BitOut_24161
mov tempbuff,addr_2416ic
lcall BitOut_24161
nop
nop
lcall I2C_Bigen1
;mov tempbuff,#address_2416
mov tempbuff,page_2416
orl tempbuff,#01h
;mov tempbuff,#0a1h
lcall BitOut_24161
nop
nop
lcall BitIn_24161
lcall I2C_noack1
mov outbuff,a
lcall I2C_End1
ret
;------------------------------------------------
;在2416中写入一个字节的子程序
;输入的参数：addr_2416ic，page_2416,inbuff''''
;注意写完结束必须要延时一段时间
;------------------------------------------------
write_2416:
lcall I2C_Bigen1
mov tempbuff,page_2416;#address_2416
lcall BitOut_24161
mov tempbuff,addr_2416ic
lcall BitOut_24161
mov tempbuff,inbuff
lcall BitOut_24161
lcall I2C_End1
lcall delay1000
lcall delay1000
ret
;*********************
INT_T0:
PUSH ACC
PUSH PSw
MOV TH0,#00H
MOV TL0,#00H
DEC FLAG_T0
MOV a,FLAG_T0
cjne a,#00h,INT_T0_EXIT
CPL FLAG_LED
DEC FLAG5
MOV a,FLAG5
cjne a,#00h,INT_T0_EXIT
CLR EA
CLR TR0
INT_T0_EXIT:
POP PSW
POP ACC
RETi
end 晕,头看大了 真厉害 真的厉害，完全没看懂啊
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