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55 lines
2 KiB
Python
55 lines
2 KiB
Python
import voluptuous as vol
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from esphomeyaml import pins
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from esphomeyaml.components import stepper
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import esphomeyaml.config_validation as cv
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from esphomeyaml.const import CONF_ID, CONF_PIN_A, CONF_PIN_B, CONF_PIN_C, CONF_PIN_D, \
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CONF_SLEEP_WHEN_DONE, CONF_STEP_MODE
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from esphomeyaml.cpp_generator import Pvariable, add
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from esphomeyaml.cpp_helpers import gpio_output_pin_expression, setup_component
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from esphomeyaml.cpp_types import App, Component
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ULN2003StepMode = stepper.stepper_ns.enum('ULN2003StepMode')
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STEP_MODES = {
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'FULL_STEP': ULN2003StepMode.ULN2003_STEP_MODE_FULL_STEP,
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'HALF_STEP': ULN2003StepMode.ULN2003_STEP_MODE_HALF_STEP,
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'WAVE_DRIVE': ULN2003StepMode.ULN2003_STEP_MODE_WAVE_DRIVE,
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}
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ULN2003 = stepper.stepper_ns.class_('ULN2003', stepper.Stepper, Component)
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PLATFORM_SCHEMA = stepper.STEPPER_PLATFORM_SCHEMA.extend({
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vol.Required(CONF_ID): cv.declare_variable_id(ULN2003),
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vol.Required(CONF_PIN_A): pins.gpio_output_pin_schema,
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vol.Required(CONF_PIN_B): pins.gpio_output_pin_schema,
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vol.Required(CONF_PIN_C): pins.gpio_output_pin_schema,
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vol.Required(CONF_PIN_D): pins.gpio_output_pin_schema,
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vol.Optional(CONF_SLEEP_WHEN_DONE): cv.boolean,
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vol.Optional(CONF_STEP_MODE): cv.one_of(*STEP_MODES, upper=True, space='_')
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}).extend(cv.COMPONENT_SCHEMA.schema)
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def to_code(config):
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for pin_a in gpio_output_pin_expression(config[CONF_PIN_A]):
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yield
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for pin_b in gpio_output_pin_expression(config[CONF_PIN_B]):
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yield
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for pin_c in gpio_output_pin_expression(config[CONF_PIN_C]):
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yield
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for pin_d in gpio_output_pin_expression(config[CONF_PIN_D]):
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yield
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rhs = App.make_uln2003(pin_a, pin_b, pin_c, pin_d)
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uln = Pvariable(config[CONF_ID], rhs)
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if CONF_SLEEP_WHEN_DONE in config:
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add(uln.set_sleep_when_done(config[CONF_SLEEP_WHEN_DONE]))
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if CONF_STEP_MODE in config:
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add(uln.set_step_mode(STEP_MODES[config[CONF_STEP_MODE]]))
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stepper.setup_stepper(uln, config)
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setup_component(uln, config)
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BUILD_FLAGS = '-DUSE_ULN2003'
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