#20260705
from machine import Pin
from time import sleep, sleep_us

dir_m1 = Pin(14, Pin.OUT)
step_m1 = Pin(15, Pin.OUT)
en_m1 = Pin(16, Pin.OUT)

steps_por_vuelta = 200                                #Pasos por vuelta del motor
paso_rosca = 4                                        #Paso rosca del tornillo en mm
microstep = 1                                         # 1 = Full step, 2 = Half Step
                                                      # 4 = 1/4, 8 = 1/8, 16 = 1/16, 32 = 1/32

steps_por_mm = steps_por_vuelta * microstep / paso_rosca  #Calcula pasos/mm

def RPM_2_delay(RPM):
    rev_por_seg = RPM / 60                            #Convierte RPM a Revs/Segundo
    steps_por_seg = steps_por_vuelta * rev_por_seg    #Calcula pasos/Segundo
    delay = round((1 / steps_por_seg) * 1000000/2)    #Calcula pausa en microseconds
    return delay

def girar():
    for v in range(3):
        for s in range(200):
            step_m1.high()
            sleep_us(delay)
            step_m1.low()
            sleep_us(delay)

while True:
    
    en_m1.high()
    RPM = 10
    while RPM <= 500:
        delay = RPM_2_delay(RPM)                              #Calcula la pausa entre pasos
        dir_m1.high()
        girar()
        dir_m1.low()
        girar()
        RPM*=5
    sleep_us(5000)
    break