# Micro-Stepping;  32 steps per cycle
from machine import Pin, PWM
from time import sleep_ms

PA = Pin(16,Pin.OUT)
PA = PWM(Pin(16))
PA.freq(100)
PA.duty_u16(0)

PB = Pin(17,Pin.OUT)
PB = PWM(Pin(17))
PB.freq(100)
PB.duty_u16(0)

PC = Pin(18,Pin.OUT)
PC = PWM(Pin(18))
PC.freq(100)
PC.duty_u16(0)

PD = Pin(19,Pin.OUT)
PD = PWM(Pin(19))
PD.freq(100)
PD.duty_u16(0)

TABLE32 = [0, 12681, 24874, 36112, 45962, 54046, 60052, 63751, 65000, 63751, 60052, 54046, 45962, 36112, 24874, 12681, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]

def Step32(X):
    A = TABLE32[X % 32]
    PA.duty_u16(A)
    B = TABLE32[(X+8) % 32]
    PB.duty_u16(B)
    C = TABLE32[(X+16) % 32]
    PC.duty_u16(C)
    D = TABLE32[(X+24) % 32]
    PD.duty_u16(D)
    
x = 0
for i in range(0,1600):
    x += 1
    Step32(x)
    sleep_ms(5)
   
PA.duty_u16(0)
PB.duty_u16(0)
PC.duty_u16(0)
PD.duty_u16(0)