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Code Issues Releases Wiki Activity

Add BLE scan parameters (#769)

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* Add BLE parameters

Fixes https://github.com/esphome/issues/issues/735

* Fix
This commit is contained in:
Otto Winter
2019-10-18 18:15:53 +02:00
committed by GitHub
parent aebb6d2fcc
commit 4310c14497
5 changed files with 53 additions and 19 deletions
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39
esphome/components/esp32_ble_tracker/__init__.py
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@@ -1,19 +1,48 @@
import esphome.codegen as cg
import esphome.config_validation as cv
from esphome.const import CONF_ID, CONF_SCAN_INTERVAL, ESP_PLATFORM_ESP32
from esphome.const import CONF_ID, ESP_PLATFORM_ESP32, CONF_INTERVAL, \
CONF_DURATION
from esphome.core import coroutine
ESP_PLATFORMS = [ESP_PLATFORM_ESP32]
AUTO_LOAD = ['xiaomi_ble']
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)
ESPBTDeviceListener = esp32_ble_tracker_ns.class_('ESPBTDeviceListener')
def validate_scan_parameters(config):
duration = config[CONF_DURATION]
interval = config[CONF_INTERVAL]
window = config[CONF_WINDOW]
if window > interval:
raise cv.Invalid("Scan window ({}) needs to be smaller than scan interval ({})"
"".format(window, 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
CONFIG_SCHEMA = cv.Schema({
cv.GenerateID(): cv.declare_id(ESP32BLETracker),
cv.Optional(CONF_SCAN_INTERVAL, default='300s'): cv.positive_time_period_seconds,
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='200ms'): cv.positive_time_period_milliseconds,
cv.Optional(CONF_ACTIVE, default=True): cv.boolean,
}), validate_scan_parameters),
cv.Optional('scan_interval'): cv.invalid("This option has been removed in 1.14 (Reason: "
"it never had an effect)"),
}).extend(cv.COMPONENT_SCHEMA)
ESP_BLE_DEVICE_SCHEMA = cv.Schema({
@@ -24,7 +53,11 @@ ESP_BLE_DEVICE_SCHEMA = cv.Schema({
def to_code(config):
var = cg.new_Pvariable(config[CONF_ID])
yield cg.register_component(var, config)
cg.add(var.set_scan_interval(config[CONF_SCAN_INTERVAL]))
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]))
@coroutine