Electro Tech is an online community (with over 170,000 members) who enjoy talking about and building electronic circuits, projects and gadgets. To participate you need to register. Registration is free. Click here to register now.
Welcome to our site! Electro Tech is an online community (with over 170,000 members) who enjoy talking about and building electronic circuits, projects and gadgets. To participate you need to register. Registration is free. Click here to register now.
I am trying to write a program that with Step a stepper motor clock wise or counter clock wise and in full or half step mode. I have a 1sec time delay for the clock. I am STUMPED :?
Here is what I have so far:
BCLR $26 $40 ;ENABLE I/O
BSET $26 $60 ;PA5,PA6, SET TO OUTPUT
BSET $00 $20 ;PA5 SET TO CLOCK WISE
BSET $00 $40 ;PA6 SET TO FULL STEP
LDAA #11 ;NUMBER OF STEPS
STAA $1000 ;LOCATION OF STEPS
STEP BSET $00 $80 ;PA7 SET FOR CLOCK
BSR DLY
BCLR $00 $10 ;CLEAR CLOCK
DEC $1000
BNE STEP
HERE BRA HERE
DLY bset $26 $03 ;SETS INTERVAL FOR 32.77msec
ldaa #30 ;MULTIPLIER 30*32.77msec = 1SEC
bclr $24 $40 ;DISABLES INTERRUPT
rep bset $25 $40 ;CLEARS FLAG
mon brclr $25 $40 mon ;IF SET END OF INTERRUPT
deca
bne rep
rts
This site uses cookies to help personalise content, tailor your experience and to keep you logged in if you register.
By continuing to use this site, you are consenting to our use of cookies.
