esphome/esphome/components/esp32_ble_tracker/__init__.py

232 lines
8.7 KiB
Python

import re
import esphome.codegen as cg
import esphome.config_validation as cv
from esphome import automation
from esphome.const import (
CONF_ID,
CONF_INTERVAL,
CONF_DURATION,
CONF_TRIGGER_ID,
CONF_MAC_ADDRESS,
CONF_SERVICE_UUID,
CONF_MANUFACTURER_ID,
CONF_ON_BLE_ADVERTISE,
CONF_ON_BLE_SERVICE_DATA_ADVERTISE,
CONF_ON_BLE_MANUFACTURER_DATA_ADVERTISE,
)
from esphome.core import CORE
from esphome.components.esp32 import add_idf_sdkconfig_option
DEPENDENCIES = ["esp32"]
CONF_ESP32_BLE_ID = "esp32_ble_id"
CONF_SCAN_PARAMETERS = "scan_parameters"
CONF_WINDOW = "window"
CONF_ACTIVE = "active"
esp32_ble_tracker_ns = cg.esphome_ns.namespace("esp32_ble_tracker")
ESP32BLETracker = esp32_ble_tracker_ns.class_("ESP32BLETracker", cg.Component)
ESPBTClient = esp32_ble_tracker_ns.class_("ESPBTClient")
ESPBTDeviceListener = esp32_ble_tracker_ns.class_("ESPBTDeviceListener")
ESPBTDevice = esp32_ble_tracker_ns.class_("ESPBTDevice")
ESPBTDeviceConstRef = ESPBTDevice.operator("ref").operator("const")
adv_data_t = cg.std_vector.template(cg.uint8)
adv_data_t_const_ref = adv_data_t.operator("ref").operator("const")
# Triggers
ESPBTAdvertiseTrigger = esp32_ble_tracker_ns.class_(
"ESPBTAdvertiseTrigger", automation.Trigger.template(ESPBTDeviceConstRef)
)
BLEServiceDataAdvertiseTrigger = esp32_ble_tracker_ns.class_(
"BLEServiceDataAdvertiseTrigger", automation.Trigger.template(adv_data_t_const_ref)
)
BLEManufacturerDataAdvertiseTrigger = esp32_ble_tracker_ns.class_(
"BLEManufacturerDataAdvertiseTrigger",
automation.Trigger.template(adv_data_t_const_ref),
)
def validate_scan_parameters(config):
duration = config[CONF_DURATION]
interval = config[CONF_INTERVAL]
window = config[CONF_WINDOW]
if window > interval:
raise cv.Invalid(
f"Scan window ({window}) needs to be smaller than scan interval ({interval})"
)
if interval.total_milliseconds * 3 > duration.total_milliseconds:
raise cv.Invalid(
"Scan duration needs to be at least three times the scan interval to"
"cover all BLE channels."
)
return config
bt_uuid16_format = "XXXX"
bt_uuid32_format = "XXXXXXXX"
bt_uuid128_format = "XXXXXXXX-XXXX-XXXX-XXXX-XXXXXXXXXXXX"
def bt_uuid(value):
in_value = cv.string_strict(value)
value = in_value.upper()
if len(value) == len(bt_uuid16_format):
pattern = re.compile("^[A-F|0-9]{4,}$")
if not pattern.match(value):
raise cv.Invalid(
f"Invalid hexadecimal value for 16 bit UUID format: '{in_value}'"
)
return value
if len(value) == len(bt_uuid32_format):
pattern = re.compile("^[A-F|0-9]{8,}$")
if not pattern.match(value):
raise cv.Invalid(
f"Invalid hexadecimal value for 32 bit UUID format: '{in_value}'"
)
return value
if len(value) == len(bt_uuid128_format):
pattern = re.compile(
"^[A-F|0-9]{8,}-[A-F|0-9]{4,}-[A-F|0-9]{4,}-[A-F|0-9]{4,}-[A-F|0-9]{12,}$"
)
if not pattern.match(value):
raise cv.Invalid(
f"Invalid hexadecimal value for 128 UUID format: '{in_value}'"
)
return value
raise cv.Invalid(
f"Service UUID must be in 16 bit '{bt_uuid16_format}', 32 bit '{bt_uuid32_format}', or 128 bit '{bt_uuid128_format}' format"
)
def as_hex(value):
return cg.RawExpression(f"0x{value}ULL")
def as_hex_array(value):
value = value.replace("-", "")
cpp_array = [
f"0x{part}" for part in [value[i : i + 2] for i in range(0, len(value), 2)]
]
return cg.RawExpression(f"(uint8_t*)(const uint8_t[16]){{{','.join(cpp_array)}}}")
def as_reversed_hex_array(value):
value = value.replace("-", "")
cpp_array = [
f"0x{part}" for part in [value[i : i + 2] for i in range(0, len(value), 2)]
]
return cg.RawExpression(
f"(uint8_t*)(const uint8_t[16]){{{','.join(reversed(cpp_array))}}}"
)
CONFIG_SCHEMA = cv.Schema(
{
cv.GenerateID(): cv.declare_id(ESP32BLETracker),
cv.Optional(CONF_SCAN_PARAMETERS, default={}): cv.All(
cv.Schema(
{
cv.Optional(
CONF_DURATION, default="5min"
): cv.positive_time_period_seconds,
cv.Optional(
CONF_INTERVAL, default="320ms"
): cv.positive_time_period_milliseconds,
cv.Optional(
CONF_WINDOW, default="30ms"
): cv.positive_time_period_milliseconds,
cv.Optional(CONF_ACTIVE, default=True): cv.boolean,
}
),
validate_scan_parameters,
),
cv.Optional(CONF_ON_BLE_ADVERTISE): automation.validate_automation(
{
cv.GenerateID(CONF_TRIGGER_ID): cv.declare_id(ESPBTAdvertiseTrigger),
cv.Optional(CONF_MAC_ADDRESS): cv.mac_address,
}
),
cv.Optional(CONF_ON_BLE_SERVICE_DATA_ADVERTISE): automation.validate_automation(
{
cv.GenerateID(CONF_TRIGGER_ID): cv.declare_id(
BLEServiceDataAdvertiseTrigger
),
cv.Optional(CONF_MAC_ADDRESS): cv.mac_address,
cv.Required(CONF_SERVICE_UUID): bt_uuid,
}
),
cv.Optional(
CONF_ON_BLE_MANUFACTURER_DATA_ADVERTISE
): automation.validate_automation(
{
cv.GenerateID(CONF_TRIGGER_ID): cv.declare_id(
BLEManufacturerDataAdvertiseTrigger
),
cv.Optional(CONF_MAC_ADDRESS): cv.mac_address,
cv.Required(CONF_MANUFACTURER_ID): bt_uuid,
}
),
}
).extend(cv.COMPONENT_SCHEMA)
ESP_BLE_DEVICE_SCHEMA = cv.Schema(
{
cv.GenerateID(CONF_ESP32_BLE_ID): cv.use_id(ESP32BLETracker),
}
)
async def to_code(config):
var = cg.new_Pvariable(config[CONF_ID])
await cg.register_component(var, config)
params = config[CONF_SCAN_PARAMETERS]
cg.add(var.set_scan_duration(params[CONF_DURATION]))
cg.add(var.set_scan_interval(int(params[CONF_INTERVAL].total_milliseconds / 0.625)))
cg.add(var.set_scan_window(int(params[CONF_WINDOW].total_milliseconds / 0.625)))
cg.add(var.set_scan_active(params[CONF_ACTIVE]))
for conf in config.get(CONF_ON_BLE_ADVERTISE, []):
trigger = cg.new_Pvariable(conf[CONF_TRIGGER_ID], var)
if CONF_MAC_ADDRESS in conf:
cg.add(trigger.set_address(conf[CONF_MAC_ADDRESS].as_hex))
await automation.build_automation(trigger, [(ESPBTDeviceConstRef, "x")], conf)
for conf in config.get(CONF_ON_BLE_SERVICE_DATA_ADVERTISE, []):
trigger = cg.new_Pvariable(conf[CONF_TRIGGER_ID], var)
if len(conf[CONF_SERVICE_UUID]) == len(bt_uuid16_format):
cg.add(trigger.set_service_uuid16(as_hex(conf[CONF_SERVICE_UUID])))
elif len(conf[CONF_SERVICE_UUID]) == len(bt_uuid32_format):
cg.add(trigger.set_service_uuid32(as_hex(conf[CONF_SERVICE_UUID])))
elif len(conf[CONF_SERVICE_UUID]) == len(bt_uuid128_format):
uuid128 = as_reversed_hex_array(conf[CONF_SERVICE_UUID])
cg.add(trigger.set_service_uuid128(uuid128))
if CONF_MAC_ADDRESS in conf:
cg.add(trigger.set_address(conf[CONF_MAC_ADDRESS].as_hex))
await automation.build_automation(trigger, [(adv_data_t_const_ref, "x")], conf)
for conf in config.get(CONF_ON_BLE_MANUFACTURER_DATA_ADVERTISE, []):
trigger = cg.new_Pvariable(conf[CONF_TRIGGER_ID], var)
if len(conf[CONF_MANUFACTURER_ID]) == len(bt_uuid16_format):
cg.add(trigger.set_manufacturer_uuid16(as_hex(conf[CONF_MANUFACTURER_ID])))
elif len(conf[CONF_MANUFACTURER_ID]) == len(bt_uuid32_format):
cg.add(trigger.set_manufacturer_uuid32(as_hex(conf[CONF_MANUFACTURER_ID])))
elif len(conf[CONF_MANUFACTURER_ID]) == len(bt_uuid128_format):
uuid128 = as_reversed_hex_array(conf[CONF_MANUFACTURER_ID])
cg.add(trigger.set_manufacturer_uuid128(uuid128))
if CONF_MAC_ADDRESS in conf:
cg.add(trigger.set_address(conf[CONF_MAC_ADDRESS].as_hex))
await automation.build_automation(trigger, [(adv_data_t_const_ref, "x")], conf)
if CORE.using_esp_idf:
add_idf_sdkconfig_option("CONFIG_BT_ENABLED", True)
async def register_ble_device(var, config):
paren = await cg.get_variable(config[CONF_ESP32_BLE_ID])
cg.add(paren.register_listener(var))
return var
async def register_client(var, config):
paren = await cg.get_variable(config[CONF_ESP32_BLE_ID])
cg.add(paren.register_client(var))
return var