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86 lines
2.5 KiB
Python
86 lines
2.5 KiB
Python
import esphome.codegen as cg
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import esphome.config_validation as cv
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from esphome.components import i2c, sensor
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from esphome.const import (
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CONF_ID,
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CONF_UPDATE_INTERVAL,
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DEVICE_CLASS_TEMPERATURE,
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STATE_CLASS_MEASUREMENT,
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UNIT_CELSIUS,
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)
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DEPENDENCIES = ["i2c"]
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CODEOWNERS = ["@Azimath"]
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tmp117_ns = cg.esphome_ns.namespace("tmp117")
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TMP117Component = tmp117_ns.class_(
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"TMP117Component", cg.PollingComponent, i2c.I2CDevice, sensor.Sensor
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)
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CONFIG_SCHEMA = cv.All(
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sensor.sensor_schema(
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unit_of_measurement=UNIT_CELSIUS,
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accuracy_decimals=1,
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device_class=DEVICE_CLASS_TEMPERATURE,
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state_class=STATE_CLASS_MEASUREMENT,
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)
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.extend(
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{
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cv.GenerateID(): cv.declare_id(TMP117Component),
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}
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)
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.extend(cv.polling_component_schema("60s"))
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.extend(i2c.i2c_device_schema(0x48))
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)
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def determine_config_register(polling_period):
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if polling_period >= 16.0:
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# 64 averaged conversions, max conversion time
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# 0000 00 111 11 00000
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# 0000 0011 1110 0000
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return 0x03E0
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if polling_period >= 8.0:
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# 64 averaged conversions, high conversion time
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# 0000 00 110 11 00000
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# 0000 0011 0110 0000
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return 0x0360
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if polling_period >= 4.0:
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# 64 averaged conversions, mid conversion time
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# 0000 00 101 11 00000
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# 0000 0010 1110 0000
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return 0x02E0
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if polling_period >= 1.0:
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# 64 averaged conversions, min conversion time
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# 0000 00 000 11 00000
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# 0000 0000 0110 0000
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return 0x0060
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if polling_period >= 0.5:
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# 32 averaged conversions, min conversion time
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# 0000 00 000 10 00000
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# 0000 0000 0100 0000
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return 0x0040
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if polling_period >= 0.25:
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# 8 averaged conversions, mid conversion time
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# 0000 00 010 01 00000
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# 0000 0001 0010 0000
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return 0x0120
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if polling_period >= 0.125:
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# 8 averaged conversions, min conversion time
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# 0000 00 000 01 00000
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# 0000 0000 0010 0000
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return 0x0020
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# 1 averaged conversions, min conversion time
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# 0000 00 000 00 00000
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# 0000 0000 0000 0000
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return 0x0000
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async def to_code(config):
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var = cg.new_Pvariable(config[CONF_ID])
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await cg.register_component(var, config)
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await i2c.register_i2c_device(var, config)
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await sensor.register_sensor(var, config)
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update_period = config[CONF_UPDATE_INTERVAL].total_seconds
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cg.add(var.set_config(determine_config_register(update_period)))
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