esphome/esphome/components/hmc5883l/sensor.py
Otto Winter 056c72d50d
Drop Python 2 Support (#793)
* Remove Python 2 support

* Remove u-strings

* Remove docker symlinks

* Remove from travis

* Update requirements

* Upgrade flake8/pylint

* Fixes

* Manual

* Run pyupgrade

* Lint

* Remove base_int

* Fix

* Update platformio_api.py

* Update component.cpp
2019-12-07 18:28:55 +01:00

111 lines
4.3 KiB
Python

import esphome.codegen as cg
import esphome.config_validation as cv
from esphome.components import i2c, sensor
from esphome.const import (CONF_ADDRESS, CONF_ID, CONF_OVERSAMPLING, CONF_RANGE, ICON_MAGNET,
UNIT_MICROTESLA, UNIT_DEGREES, ICON_SCREEN_ROTATION,
CONF_UPDATE_INTERVAL)
DEPENDENCIES = ['i2c']
hmc5883l_ns = cg.esphome_ns.namespace('hmc5883l')
CONF_FIELD_STRENGTH_X = 'field_strength_x'
CONF_FIELD_STRENGTH_Y = 'field_strength_y'
CONF_FIELD_STRENGTH_Z = 'field_strength_z'
CONF_HEADING = 'heading'
HMC5883LComponent = hmc5883l_ns.class_('HMC5883LComponent', cg.PollingComponent, i2c.I2CDevice)
HMC5883LOversampling = hmc5883l_ns.enum('HMC5883LOversampling')
HMC5883LOversamplings = {
1: HMC5883LOversampling.HMC5883L_OVERSAMPLING_1,
2: HMC5883LOversampling.HMC5883L_OVERSAMPLING_2,
4: HMC5883LOversampling.HMC5883L_OVERSAMPLING_4,
8: HMC5883LOversampling.HMC5883L_OVERSAMPLING_8,
}
HMC5883LDatarate = hmc5883l_ns.enum('HMC5883LDatarate')
HMC5883LDatarates = {
0.75: HMC5883LDatarate.HMC5883L_DATARATE_0_75_HZ,
1.5: HMC5883LDatarate.HMC5883L_DATARATE_1_5_HZ,
3.0: HMC5883LDatarate.HMC5883L_DATARATE_3_0_HZ,
7.5: HMC5883LDatarate.HMC5883L_DATARATE_7_5_HZ,
15: HMC5883LDatarate.HMC5883L_DATARATE_15_0_HZ,
30: HMC5883LDatarate.HMC5883L_DATARATE_30_0_HZ,
75: HMC5883LDatarate.HMC5883L_DATARATE_75_0_HZ,
}
HMC5883LRange = hmc5883l_ns.enum('HMC5883LRange')
HMC5883L_RANGES = {
88: HMC5883LRange.HMC5883L_RANGE_88_UT,
130: HMC5883LRange.HMC5883L_RANGE_130_UT,
190: HMC5883LRange.HMC5883L_RANGE_190_UT,
250: HMC5883LRange.HMC5883L_RANGE_250_UT,
400: HMC5883LRange.HMC5883L_RANGE_400_UT,
470: HMC5883LRange.HMC5883L_RANGE_470_UT,
560: HMC5883LRange.HMC5883L_RANGE_560_UT,
810: HMC5883LRange.HMC5883L_RANGE_810_UT,
}
def validate_enum(enum_values, units=None, int=True):
_units = []
if units is not None:
_units = units if isinstance(units, list) else [units]
_units = [str(x) for x in _units]
enum_bound = cv.enum(enum_values, int=int)
def validate_enum_bound(value):
value = cv.string(value)
for unit in _units:
if value.endswith(unit):
value = value[:-len(unit)]
break
return enum_bound(value)
return validate_enum_bound
field_strength_schema = sensor.sensor_schema(UNIT_MICROTESLA, ICON_MAGNET, 1)
heading_schema = sensor.sensor_schema(UNIT_DEGREES, ICON_SCREEN_ROTATION, 1)
CONFIG_SCHEMA = cv.Schema({
cv.GenerateID(): cv.declare_id(HMC5883LComponent),
cv.Optional(CONF_ADDRESS): cv.i2c_address,
cv.Optional(CONF_OVERSAMPLING, default='1x'): validate_enum(HMC5883LOversamplings, units="x"),
cv.Optional(CONF_RANGE, default='130µT'): validate_enum(HMC5883L_RANGES, units=["uT", "µT"]),
cv.Optional(CONF_FIELD_STRENGTH_X): field_strength_schema,
cv.Optional(CONF_FIELD_STRENGTH_Y): field_strength_schema,
cv.Optional(CONF_FIELD_STRENGTH_Z): field_strength_schema,
cv.Optional(CONF_HEADING): heading_schema,
}).extend(cv.polling_component_schema('60s')).extend(i2c.i2c_device_schema(0x1E))
def auto_data_rate(config):
interval_sec = config[CONF_UPDATE_INTERVAL].seconds
interval_hz = 1.0/interval_sec
for datarate in sorted(HMC5883LDatarates.keys()):
if float(datarate) >= interval_hz:
return HMC5883LDatarates[datarate]
return HMC5883LDatarates[75]
def to_code(config):
var = cg.new_Pvariable(config[CONF_ID])
yield cg.register_component(var, config)
yield i2c.register_i2c_device(var, config)
cg.add(var.set_oversampling(config[CONF_OVERSAMPLING]))
cg.add(var.set_datarate(auto_data_rate(config)))
cg.add(var.set_range(config[CONF_RANGE]))
if CONF_FIELD_STRENGTH_X in config:
sens = yield sensor.new_sensor(config[CONF_FIELD_STRENGTH_X])
cg.add(var.set_x_sensor(sens))
if CONF_FIELD_STRENGTH_Y in config:
sens = yield sensor.new_sensor(config[CONF_FIELD_STRENGTH_Y])
cg.add(var.set_y_sensor(sens))
if CONF_FIELD_STRENGTH_Z in config:
sens = yield sensor.new_sensor(config[CONF_FIELD_STRENGTH_Z])
cg.add(var.set_z_sensor(sens))
if CONF_HEADING in config:
sens = yield sensor.new_sensor(config[CONF_HEADING])
cg.add(var.set_heading_sensor(sens))