th sequence should go
TURN ON GREEN LED
DELAY
TURN ON AMBER LED ON
SMALL DELAY
TURN RED LED ON AND SOUND A BUZER
DELAY
FLASH AMBER LED ON AND OF
ive had a go at the program up to the buzer but im a bit confused to whi it isent workong.
p3 is port 3 of the robot is a bank of leds and port 2.7 is the buzzer.
if you need any more information then just say.
many thanks laura
Code:
main1()
{
#pragma asm
start:
mov P3, #0Dfh ;// turn on green led//
mov r7, #0ffh ;// move ffh to reg 7 ( DELAY)//
outerloop1:
mov r6, #0ffh ;// move ffh to reg 6 (DELAY)//
innerloop1:
mov r5, #0ffh
inner:
djnz r5 inner
djnz r6 innerloop1
djnz r7 outerloop1
mov P3, #0bfh ;// turn amber led on //
mov r7, #3fh ;// move ffh to reg 7//
outerloop2:
mov r6, #0ffh ;// move ffh to reg 6//
innerloop2:
mov r5, #0ffh
inner2:
djnz r5 inner2
djnz r6 innerloop2
djnz r7 outerloop2
mov P3, #7fh ;// turn red led on //
counter:
mov P2, #80h ;// siren on //
ACALL, delay: ;// (delay)//
mov P2, #00h ;// siren off//
ACALL, delay: ;// (delay)//
delay:
mov r2, #0fh ;// move ffh to reg 6//
innerloop8:
mov r1, #0ffh ;// move ffh to reg 5//
inner8:
djnz r1 inner8
djnz r2 innerloop8
ret
counter:
mov r7, #0fh ;// move 0fh to reg 7//
counter1:
mov r6, #0ffh ;// move ffh to reg 6//
counter2:
mov r5, #0ffh ;// move ffh to reg 5//
counter3:
djnz r5 counter1
djnz r6 counter2
djnz r7 counter3
ret
mov P3, #0bfh ;// turn amber led on //
#pragma endasm
}
