esphome/esphomeyaml/components/stepper/a4988.py

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import voluptuous as vol
from esphomeyaml import pins
from esphomeyaml.components import stepper
import esphomeyaml.config_validation as cv
from esphomeyaml.const import CONF_DIR_PIN, CONF_ID, CONF_SLEEP_PIN, CONF_STEP_PIN
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from esphomeyaml.cpp_generator import Pvariable, add
from esphomeyaml.cpp_helpers import gpio_output_pin_expression, setup_component
from esphomeyaml.cpp_types import Component, App
A4988 = stepper.stepper_ns.class_('A4988', stepper.Stepper, Component)
PLATFORM_SCHEMA = stepper.STEPPER_PLATFORM_SCHEMA.extend({
vol.Required(CONF_ID): cv.declare_variable_id(A4988),
vol.Required(CONF_STEP_PIN): pins.gpio_output_pin_schema,
vol.Required(CONF_DIR_PIN): pins.gpio_output_pin_schema,
vol.Optional(CONF_SLEEP_PIN): pins.gpio_output_pin_schema,
}).extend(cv.COMPONENT_SCHEMA.schema)
def to_code(config):
for step_pin in gpio_output_pin_expression(config[CONF_STEP_PIN]):
yield
for dir_pin in gpio_output_pin_expression(config[CONF_DIR_PIN]):
yield
rhs = App.make_a4988(step_pin, dir_pin)
a4988 = Pvariable(config[CONF_ID], rhs)
if CONF_SLEEP_PIN in config:
for sleep_pin in gpio_output_pin_expression(config[CONF_SLEEP_PIN]):
yield
add(a4988.set_sleep_pin(sleep_pin))
stepper.setup_stepper(a4988, config)
setup_component(a4988, config)
BUILD_FLAGS = '-DUSE_A4988'