gpio.inc

dsp的

SCIDIR	.set	01h	; PA.0
SCIRX	.set	10h	; PB.4
SCITX	.set	08h	; PB.3

SPISCL	.set	01h	; PB.0
SPISDA	.set	80h	; PA.7

PWM1	.set	02h	; PA.1
PWM2	.set	04h	; PA.2
PWM3	.set	08h	; PA.3
PWM4	.set	10h	; PA.4
ENA		.set	20h	; PA.5
ENB		.set	40h	; PA.6

MCRAV	.set	SPISDA
MCRBV	.set	SCIRX+SCITX+SPISCL

PWMMCR	.set	PWM1+PWM2+PWM3+PWM4

STEP1	.set	0ff00h | 71h
STEP2	.set	0ff00h | 65h
STEP3	.set	0ff00h | 69h
STEP4	.set	0ff00h | 63h

step1	.set	70h
step2	.set	64h
step3	.set	68h
step4	.set	62h

STEPMASK	.set	0ff81h