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74 lines
2.8 KiB
Python
74 lines
2.8 KiB
Python
import esphome.codegen as cg
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import esphome.config_validation as cv
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from esphome import pins
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from esphome.components import sensor
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from esphome.const import CONF_COUNT_MODE, CONF_FALLING_EDGE, CONF_ID, CONF_INTERNAL_FILTER, \
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CONF_PIN, CONF_RISING_EDGE, CONF_NUMBER, \
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ICON_PULSE, UNIT_PULSES_PER_MINUTE
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from esphome.core import CORE
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pulse_counter_ns = cg.esphome_ns.namespace('pulse_counter')
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PulseCounterCountMode = pulse_counter_ns.enum('PulseCounterCountMode')
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COUNT_MODES = {
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'DISABLE': PulseCounterCountMode.PULSE_COUNTER_DISABLE,
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'INCREMENT': PulseCounterCountMode.PULSE_COUNTER_INCREMENT,
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'DECREMENT': PulseCounterCountMode.PULSE_COUNTER_DECREMENT,
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}
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COUNT_MODE_SCHEMA = cv.enum(COUNT_MODES, upper=True)
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PulseCounterSensor = pulse_counter_ns.class_('PulseCounterSensor',
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sensor.Sensor, cg.PollingComponent)
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def validate_internal_filter(value):
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value = cv.positive_time_period_microseconds(value)
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if CORE.is_esp32:
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if value.total_microseconds > 13:
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raise cv.Invalid("Maximum internal filter value for ESP32 is 13us")
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return value
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return value
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def validate_pulse_counter_pin(value):
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value = pins.internal_gpio_input_pin_schema(value)
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if CORE.is_esp8266 and value[CONF_NUMBER] >= 16:
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raise cv.Invalid("Pins GPIO16 and GPIO17 cannot be used as pulse counters on ESP8266.")
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return value
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def validate_count_mode(value):
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rising_edge = value[CONF_RISING_EDGE]
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falling_edge = value[CONF_FALLING_EDGE]
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if rising_edge == 'DISABLE' and falling_edge == 'DISABLE':
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raise cv.Invalid("Can't set both count modes to DISABLE! This means no counting occurs at "
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"all!")
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return value
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CONFIG_SCHEMA = sensor.sensor_schema(UNIT_PULSES_PER_MINUTE, ICON_PULSE, 2).extend({
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cv.GenerateID(): cv.declare_id(PulseCounterSensor),
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cv.Required(CONF_PIN): validate_pulse_counter_pin,
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cv.Optional(CONF_COUNT_MODE, default={
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CONF_RISING_EDGE: 'INCREMENT',
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CONF_FALLING_EDGE: 'DISABLE',
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}): cv.All(cv.Schema({
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cv.Required(CONF_RISING_EDGE): COUNT_MODE_SCHEMA,
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cv.Required(CONF_FALLING_EDGE): COUNT_MODE_SCHEMA,
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}), validate_count_mode),
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cv.Optional(CONF_INTERNAL_FILTER, default='13us'): validate_internal_filter,
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}).extend(cv.polling_component_schema('60s'))
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def to_code(config):
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var = cg.new_Pvariable(config[CONF_ID])
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yield cg.register_component(var, config)
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yield sensor.register_sensor(var, config)
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pin = yield cg.gpio_pin_expression(config[CONF_PIN])
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cg.add(var.set_pin(pin))
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count = config[CONF_COUNT_MODE]
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cg.add(var.set_rising_edge_mode(count[CONF_RISING_EDGE]))
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cg.add(var.set_falling_edge_mode(count[CONF_FALLING_EDGE]))
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cg.add(var.set_filter_us(config[CONF_INTERNAL_FILTER]))
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