111 lines
3.5 KiB
Python
111 lines
3.5 KiB
Python
import esphome.codegen as cg
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import esphome.config_validation as cv
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from esphome.components.esp32 import add_idf_sdkconfig_option
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from esphome.const import (
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CONF_ACTIVE,
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CONF_ID,
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CONF_INTERVAL,
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CONF_DURATION,
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)
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DEPENDENCIES = ["esp32"]
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CONF_NIMBLE_ID = "nimble_ble_id"
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CONF_SCAN_PARAMETERS = "scan_parameters"
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CONF_WINDOW = "window"
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CONF_CONTINUOUS = "continuous"
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nimble_tracker_ns = cg.esphome_ns.namespace("nimble_tracker")
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NimbleTracker = nimble_tracker_ns.class_("NimbleTracker", cg.Component)
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NimbleDeviceListener = nimble_tracker_ns.class_("NimbleDeviceListener", cg.Component)
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def validate_scan_parameters(config):
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duration = config[CONF_DURATION]
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interval = config[CONF_INTERVAL]
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window = config[CONF_WINDOW]
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if window > interval:
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raise cv.Invalid(
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f"Scan window ({window}) needs to be smaller than scan interval ({interval})"
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)
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if interval.total_milliseconds * 3 > duration.total_milliseconds:
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raise cv.Invalid(
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"Scan duration needs to be at least three times the scan interval to"
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"cover all BLE channels."
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)
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return config
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CONFIG_SCHEMA = cv.Schema(
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{
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cv.GenerateID(): cv.declare_id(NimbleTracker),
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cv.Optional(CONF_SCAN_PARAMETERS, default={}): cv.All(
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cv.Schema(
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{
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cv.Optional(
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CONF_DURATION, default="5min"
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): cv.positive_time_period_seconds,
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cv.Optional(
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CONF_INTERVAL, default="320ms"
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): cv.positive_time_period_milliseconds,
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cv.Optional(
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CONF_WINDOW, default="30ms"
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): cv.positive_time_period_milliseconds,
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cv.Optional(CONF_ACTIVE, default=True): cv.boolean,
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cv.Optional(CONF_CONTINUOUS, default=True): cv.boolean,
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cv.Optional(CONF_CONTINUOUS, default=True): cv.boolean,
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}
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),
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validate_scan_parameters,
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),
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}
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).extend(cv.COMPONENT_SCHEMA)
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CONF_IRK = "irk"
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NIMBLE_DEVICE_LISTENER_SCHEMA = cv.Schema(
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{
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cv.GenerateID(CONF_NIMBLE_ID): cv.use_id(NimbleTracker),
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cv.Optional(CONF_IRK): cv.string,
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},
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cv.has_exactly_one_key(CONF_IRK),
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)
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async def to_code(config):
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# this initializes the component in the generated code
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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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params = config[CONF_SCAN_PARAMETERS]
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cg.add(var.set_scan_duration(params[CONF_DURATION]))
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cg.add(var.set_scan_interval(int(params[CONF_INTERVAL].total_milliseconds / 0.625)))
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cg.add(var.set_scan_window(int(params[CONF_WINDOW].total_milliseconds / 0.625)))
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cg.add(var.set_scan_active(params[CONF_ACTIVE]))
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cg.add(var.set_scan_continuous(params[CONF_CONTINUOUS]))
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add_idf_sdkconfig_option("CONFIG_BT_ENABLED", True)
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add_idf_sdkconfig_option("CONFIG_BT_BLUEDROID_ENABLED", False)
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add_idf_sdkconfig_option("CONFIG_BT_NIMBLE_ENABLED", True)
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add_idf_sdkconfig_option("CONFIG_MBEDTLS_HARDWARE_AES", False)
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cg.add_library(
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"esp-nimble-cpp=https://github.com/h2zero/esp-nimble-cpp.git#v1.4.1", None
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)
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async def register_ble_device(var, config):
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paren = await cg.get_variable(config[CONF_NIMBLE_ID])
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cg.add(paren.register_listener(var))
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return var
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async def device_listener_to_code(var, config):
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if CONF_IRK in config:
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cg.add(var.set_irk(config[CONF_IRK]))
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