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ULN2003 Support (#304)

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Otto Winter 2019-01-05 20:11:31 +01:00 committed by GitHub
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esphomeyaml/components/stepper/uln2003.py Normal file
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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_ID, CONF_PIN_A, CONF_PIN_B, CONF_PIN_C, CONF_PIN_D, \
CONF_SLEEP_WHEN_DONE, CONF_STEP_MODE
from esphomeyaml.cpp_generator import Pvariable, add
from esphomeyaml.cpp_helpers import gpio_output_pin_expression, setup_component
from esphomeyaml.cpp_types import App, Component
ULN2003StepMode = stepper.stepper_ns.enum('ULN2003StepMode')
STEP_MODES = {
'FULL_STEP': ULN2003StepMode.ULN2003_STEP_MODE_FULL_STEP,
'HALF_STEP': ULN2003StepMode.ULN2003_STEP_MODE_HALF_STEP,
'WAVE_DRIVE': ULN2003StepMode.ULN2003_STEP_MODE_WAVE_DRIVE,
}
ULN2003 = stepper.stepper_ns.class_('ULN2003', stepper.Stepper, Component)
PLATFORM_SCHEMA = stepper.STEPPER_PLATFORM_SCHEMA.extend({
vol.Required(CONF_ID): cv.declare_variable_id(ULN2003),
vol.Required(CONF_PIN_A): pins.gpio_output_pin_schema,
vol.Required(CONF_PIN_B): pins.gpio_output_pin_schema,
vol.Required(CONF_PIN_C): pins.gpio_output_pin_schema,
vol.Required(CONF_PIN_D): pins.gpio_output_pin_schema,
vol.Optional(CONF_SLEEP_WHEN_DONE): cv.boolean,
vol.Optional(CONF_STEP_MODE): cv.one_of(*STEP_MODES, upper=True, space='_')
}).extend(cv.COMPONENT_SCHEMA.schema)
def to_code(config):
for pin_a in gpio_output_pin_expression(config[CONF_PIN_A]):
yield
for pin_b in gpio_output_pin_expression(config[CONF_PIN_B]):
yield
for pin_c in gpio_output_pin_expression(config[CONF_PIN_C]):
yield
for pin_d in gpio_output_pin_expression(config[CONF_PIN_D]):
yield
rhs = App.make_uln2003(pin_a, pin_b, pin_c, pin_d)
uln = Pvariable(config[CONF_ID], rhs)
if CONF_SLEEP_WHEN_DONE in config:
add(uln.set_sleep_when_done(config[CONF_SLEEP_WHEN_DONE]))
if CONF_STEP_MODE in config:
add(uln.set_step_mode(STEP_MODES[config[CONF_STEP_MODE]]))
stepper.setup_stepper(uln, config)
setup_component(uln, config)
BUILD_FLAGS = '-DUSE_ULN2003'