📄 bcd.asm
字号:
bmbin_bcd: mov r3, #8
bmsjcl: clr c
mov a, bmqdata0 ；将采集的数据左移一位
rlc a
mov bmqdata0, a
mov a, bmbcd0
addc a, bmbcd0
da a
mov bmbcd0, a
mov a, bmbcd1
addc a, bmbcd1
da a
mov bmbcd1, a
djnz r3, bmsjcl
;====================================================================
;Procedure name: test.asm
;The date of development: 2002.05
;Crystal Oscillator: 11.0592MHz
;Microcontroller: AT89C51 (Producted by ATEMEL Corporation)
;Developing devices: Personal Computer(486DX);EMP-100A;Avsim51
;Author: YZTC
;====================================================================
;----------------------------------------------------------------
;//define all the pins of the Microcontrollor(AT89C51)
Q1 bit p0.0 ;七段编码器数据输入0
Q2 bit p0.1 ;七段编码器数据输入1
Q3 bit p0.2 ;七段编码器数据输入2
Q4 bit p0.3 ;七段编码器数据输入3
AQ1 bit p0.4 ;译码器数据输入0
BQ2 bit p0.5 ;译码器数据输入1
CQ3 bit p0.6 ;译码器数据输入2
dp1 bit p0.7 ;显示小数点
line1 bit p1.0 ;键盘行线输入1
line2 bit p1.1 ;键盘行线输入2
col1 bit p1.2 ;键盘列线输入1
col2 bit p1.3 ;键盘列线输入2
col3 bit p1.4 ;键盘列线输入3
bmqa bit p1.5 ;编码器输入信号a
bmqs bit p1.6 ;编码器输入信号c
bmqb bit p1.7 ;编码器输入信号b
M1A bit p2.0 ;电机1信号A输入
M1B bit p2.1 ;电机1信号B输入
M1C bit p2.2 ;电机1信号C输入
M1D bit p2.3 ;电机1信号D输入
M2A bit p2.4 ;电机2信号A输入
M2B bit p2.5 ;电机2信号B输入
M2C bit p2.6 ;电机2信号C输入
M2D bit p2.7 ;电机2信号D输入
_RXD bit p3.0 ;extra pin
_TXD bit p3.1 ;extra pin
; bit p3.2 ;extra pin
; bit p3.3 ;key board interrupt input pin.
; bit p3.4 ;extra pin
gsa bit p3.5 ;光栅输入信号a
gss bit p3.6 ;光栅输入信号c
gsb bit p3.7 ;光栅输入信号b
;--------------------------------------------------------------------
;//define the flag
;--------------------------------------------------------------------
;dir_flag bit 24h ;for direction
commu_state equ 25h
s6 bit 28h
s7 bit 29h ;0 represent 1
s5 bit 2ah ;show communication state
s4 bit 2bh ;
s3 bit 2ch ;
key_state equ 26h
;key_pressed bit 30h ;1表示有键压下，0表示无键压下
key1_f bit 31h ;1表示键1压下
key2_f bit 32h ;1表示键2压下
key3_f bit 33h ;1表示键3压下
key4_f bit 34h ;1表示键4压下
key5_f bit 35h ;1表示键5压下
key6_f bit 36h ;1表示键6压下
moveflag equ 27h ;single shaft movement flag
m1_s bit 38h ;move to right
m2_s bit 39h ;move to left
m1_p bit 3ah ;move forward
m1_n bit 3bh ;move backward
m2_p bit 3ch ;move up
m2_n bit 3dh ;move down
gs_state equ 28h ；光栅状态
gsa_f bit 40h ;
gsb_f bit 41h ；
gss_f bit 42h
dir0_f bit 43h
bmq_state equ 29h ；编码器状态
bmqa_f bit 48h ;
bmqb_f bit 49h
bmqs_f bit 4ah
dir_f bit 4bh
ychu_state equ 2ah
yczb_f bit 51h ；编码器反转加脉冲标志
yczb1_f bit 52h ；编码器正转减脉冲标志
yczb0_f bit 53h ；光栅负移动加脉冲标志
yczb01_f bit 54h ;光栅正移动加脉冲标志
;-----------------------------------------------------------------
;//define the RAM region
;-----------------------------------------------------------------
movement equ 30h ;data from computer to show 26 kinds of
;movements such as +x, +x+y, +x+y+z
wait_time equ 31h ;data from computer to timer0 for waiting
moveempty equ 32h
time1 equ 33h
time2 equ 34h
number12 equ 35h ；存放显示数据1，2位
number34 equ 36h ；存放显示数据3，4位
number56 equ 37h ；存放显示数据5，6位
number78 equ 38h ；存放显示数据7，8位
move_type equ 39h ；设置电机转动组合类型
gsshanju equ 40h ；存放光栅的栅距
bmshanju equ 41h ；存放编码器的栅距
gsdata0 equ 42h ；存放光栅采集的数据
gsdata1 equ 43h
gsdata2 equ 44h
gsbcd0 equ 45h ；处理后光栅bcd码
gsbcd1 equ 46h
gsbcd2 equ 47h
gsbcd3 equ 48h
bmqdata0 equ 49h ；存放编码器采集的数据
bmqdata1 equ 4ah
bmqdata2 equ 4bh
bmbcd0 equ 4ch ；处理后编码器bcd码
bmbcd1 equ 4dh
bmbcd2 equ 4eh
bmbcd3 equ 4fh
bmqa_sign equ 50h
bmqb_sign equ 51h
direction equ 52h
motor1_phase equ 53h
motor2_phase equ 54h
gsa_sign equ 55h
gsb_sign equ 56h
direction0 equ 57h
motor_move equ 58h
;--------------------------------------------------------------
;//define the data used in the procedure.
_stack data 60h ;stack pointer=60h
dspbufflenth data 8 ;
dspbuffxlenth data 4 ;
dspbuffylenth data 4 ;
decbufflenth data 4 ;
hexbufflenth data 4 ;
;--------------------------------------------------------------
;//define the display data symbol for the purpose of reading.
;**************************************************************
; MAIN PROGRAM
; (General board for the Optical Sensor and SCARA)
;**************************************************************
org 0
sjmp main ;main procedure entry.
; org 0003h ;int0 entrance.
; org 000bh
; ajmp motor_t ;t0 int_procedure entry.
; org 0013h
; ajmp menu ;int1 int_procedure entry.
; org 001bh ;t1 entrance.
; ljmp intc
; org 0023h ;serial entrance.
; ajmp intc
;==================================================================
;name: main procedure
;number:
;used resoures:
;algorithm:
;------------------------------------------------------------------
org 30h
main: mov sp,#_stack
;//set stack pointer "#_stack",stack amount:32byte.
mov r0,#20h ;initialize the clr_pointer.
mov r1,#64 ;endow "R1" with initial value.
main_clr_RAM: mov @r0,#0
inc r0
djnz r1,main_clr_RAM
;//clear the used RAM region from 20h to 5fh(64byte).
mov bmqdata0, #0ffh
mov bmqdata1, #0ffh
mov bmqdata2, #1
lcall decoder
jjjj: nop
sjmp jjjj
;--------------------------------------------------------------------
decoder: mov r3, #8
bms: clr c
mov a, bmqdata0 ；将采集的数据左移一位
rlc a
mov bmqdata0, a
mov a, bmbcd0
addc a, bmbcd0
da a
mov bmbcd0, a
mov a, bmbcd1
addc a, bmbcd1
da a
mov bmbcd1, a
djnz r3, bms
mov a, bmqdata1
jz bmsjcl_2
bmsjcl_1: clr c
mov a, bmbcd0
add a, #56h
da a
mov bmbcd0, a
mov a, bmbcd1
addc a, #2h
da a
mov bmbcd1, a
clr a
addc a, bmbcd2
da a
mov bmbcd2, a
djnz bmqdata1, bmsjcl_1
bmsjcl_2: mov a, bmqdata2
jz sjcl_end
loop4: clr c
mov a, bmbcd0
add a, #36h
da a
mov bmbcd0, a
mov a, bmbcd1
addc a, #55h
da a
mov bmbcd1, a
mov a, bmbcd2
addc a, #6h
da a
mov bmbcd2, a
clr a
addc a, bmbcd3
da a
mov bmbcd3, a
djnz bmqdata2,loop4
sjcl_end: ret
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