mirror of https://github.com/esphome/esphome.git
113 lines
4.1 KiB
Python
113 lines
4.1 KiB
Python
import re
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import esphome.codegen as cg
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import esphome.config_validation as cv
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from esphome.const import CONF_ID, ESP_PLATFORM_ESP32, CONF_INTERVAL, \
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CONF_DURATION
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from esphome.core import coroutine
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ESP_PLATFORMS = [ESP_PLATFORM_ESP32]
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AUTO_LOAD = ['xiaomi_ble', 'ruuvi_ble']
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CONF_ESP32_BLE_ID = 'esp32_ble_id'
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CONF_SCAN_PARAMETERS = 'scan_parameters'
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CONF_WINDOW = 'window'
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CONF_ACTIVE = 'active'
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esp32_ble_tracker_ns = cg.esphome_ns.namespace('esp32_ble_tracker')
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ESP32BLETracker = esp32_ble_tracker_ns.class_('ESP32BLETracker', cg.Component)
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ESPBTDeviceListener = esp32_ble_tracker_ns.class_('ESPBTDeviceListener')
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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("Scan window ({}) needs to be smaller than scan interval ({})"
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"".format(window, interval))
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if interval.total_milliseconds * 3 > duration.total_milliseconds:
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raise cv.Invalid("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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return config
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bt_uuid16_format = 'XXXX'
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bt_uuid32_format = 'XXXXXXXX'
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bt_uuid128_format = 'XXXXXXXX-XXXX-XXXX-XXXX-XXXXXXXXXXXX'
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def bt_uuid(value):
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in_value = cv.string_strict(value)
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value = in_value.upper()
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if len(value) == len(bt_uuid16_format):
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pattern = re.compile("^[A-F|0-9]{4,}$")
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if not pattern.match(value):
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raise cv.Invalid(
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f"Invalid hexadecimal value for 16 bit UUID format: '{in_value}'")
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return value
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if len(value) == len(bt_uuid32_format):
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pattern = re.compile("^[A-F|0-9]{8,}$")
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if not pattern.match(value):
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raise cv.Invalid(
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f"Invalid hexadecimal value for 32 bit UUID format: '{in_value}'")
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return value
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if len(value) == len(bt_uuid128_format):
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pattern = re.compile(
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"^[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,}$")
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if not pattern.match(value):
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raise cv.Invalid(
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f"Invalid hexadecimal value for 128 UUID format: '{in_value}'")
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return value
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raise cv.Invalid(
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"Service UUID must be in 16 bit '{}', 32 bit '{}', or 128 bit '{}' format".format(
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bt_uuid16_format, bt_uuid32_format, bt_uuid128_format))
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def as_hex(value):
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return cg.RawExpression(f'0x{value}ULL')
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def as_hex_array(value):
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value = value.replace("-", "")
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cpp_array = [f'0x{part}' for part in [value[i:i+2] for i in range(0, len(value), 2)]]
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return cg.RawExpression(
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'(uint8_t*)(const uint8_t[16]){{{}}}'.format(','.join(reversed(cpp_array))))
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CONFIG_SCHEMA = cv.Schema({
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cv.GenerateID(): cv.declare_id(ESP32BLETracker),
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cv.Optional(CONF_SCAN_PARAMETERS, default={}): cv.All(cv.Schema({
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cv.Optional(CONF_DURATION, default='5min'): cv.positive_time_period_seconds,
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cv.Optional(CONF_INTERVAL, default='320ms'): cv.positive_time_period_milliseconds,
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cv.Optional(CONF_WINDOW, default='30ms'): cv.positive_time_period_milliseconds,
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cv.Optional(CONF_ACTIVE, default=True): cv.boolean,
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}), validate_scan_parameters),
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cv.Optional('scan_interval'): cv.invalid("This option has been removed in 1.14 (Reason: "
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"it never had an effect)"),
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}).extend(cv.COMPONENT_SCHEMA)
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ESP_BLE_DEVICE_SCHEMA = cv.Schema({
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cv.GenerateID(CONF_ESP32_BLE_ID): cv.use_id(ESP32BLETracker),
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})
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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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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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@coroutine
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def register_ble_device(var, config):
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paren = yield cg.get_variable(config[CONF_ESP32_BLE_ID])
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cg.add(paren.register_listener(var))
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yield var
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