esphome/esphome/components/a4988/stepper.py

29 lines
1.1 KiB
Python

from esphome import pins
from esphome.components import stepper
import esphome.config_validation as cv
import esphome.codegen as cg
from esphome.const import CONF_DIR_PIN, CONF_ID, CONF_SLEEP_PIN, CONF_STEP_PIN
a4988_ns = cg.esphome_ns.namespace('a4988')
A4988 = a4988_ns.class_('A4988', stepper.Stepper, cg.Component)
CONFIG_SCHEMA = stepper.STEPPER_SCHEMA.extend({
cv.Required(CONF_ID): cv.declare_variable_id(A4988),
cv.Required(CONF_STEP_PIN): pins.gpio_output_pin_schema,
cv.Required(CONF_DIR_PIN): pins.gpio_output_pin_schema,
cv.Optional(CONF_SLEEP_PIN): pins.gpio_output_pin_schema,
}).extend(cv.COMPONENT_SCHEMA)
def to_code(config):
step_pin = yield cg.gpio_pin_expression(config[CONF_STEP_PIN])
dir_pin = yield cg.gpio_pin_expression(config[CONF_DIR_PIN])
var = cg.new_Pvariable(config[CONF_ID], step_pin, dir_pin)
yield cg.register_component(var, config)
yield stepper.register_stepper(var, config)
if CONF_SLEEP_PIN in config:
sleep_pin = yield cg.gpio_pin_expression(config[CONF_SLEEP_PIN])
cg.add(var.set_sleep_pin(sleep_pin))