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Code Issues Releases Wiki Activity

Add support for Airthing Wave Mini (#2440)

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NMC
2021-10-04 18:56:34 -04:00
committed by GitHub
parent 8be4086224
commit 877367677b
6 changed files with 289 additions and 0 deletions
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1
CODEOWNERS
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@@ -15,6 +15,7 @@ esphome/components/ac_dimmer/* @glmnet
esphome/components/adc/* @esphome/core
esphome/components/addressable_light/* @justfalter
esphome/components/airthings_ble/* @jeromelaban
esphome/components/airthings_wave_mini/* @ncareau
esphome/components/airthings_wave_plus/* @jeromelaban
esphome/components/am43/* @buxtronix
esphome/components/am43/cover/* @buxtronix

1
esphome/components/airthings_wave_mini/__init__.py Normal file
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@@ -0,0 +1 @@
CODEOWNERS = ["@ncareau"]

120
esphome/components/airthings_wave_mini/airthings_wave_mini.cpp Normal file
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#include "airthings_wave_mini.h"
#ifdef USE_ESP32_FRAMEWORK_ARDUINO
namespace esphome {
namespace airthings_wave_mini {
static const char *const TAG = "airthings_wave_mini";
void AirthingsWaveMini::gattc_event_handler(esp_gattc_cb_event_t event, esp_gatt_if_t gattc_if,
esp_ble_gattc_cb_param_t *param) {
switch (event) {
case ESP_GATTC_OPEN_EVT: {
if (param->open.status == ESP_GATT_OK) {
ESP_LOGI(TAG, "Connected successfully!");
}
break;
}
case ESP_GATTC_DISCONNECT_EVT: {
ESP_LOGW(TAG, "Disconnected!");
break;
}
case ESP_GATTC_SEARCH_CMPL_EVT: {
this->handle_ = 0;
auto chr = this->parent()->get_characteristic(service_uuid_, sensors_data_characteristic_uuid_);
if (chr == nullptr) {
ESP_LOGW(TAG, "No sensor characteristic found at service %s char %s", service_uuid_.to_string().c_str(),
sensors_data_characteristic_uuid_.to_string().c_str());
break;
}
this->handle_ = chr->handle;
this->node_state = esp32_ble_tracker::ClientState::ESTABLISHED;
request_read_values_();
break;
}
case ESP_GATTC_READ_CHAR_EVT: {
if (param->read.conn_id != this->parent()->conn_id)
break;
if (param->read.status != ESP_GATT_OK) {
ESP_LOGW(TAG, "Error reading char at handle %d, status=%d", param->read.handle, param->read.status);
break;
}
if (param->read.handle == this->handle_) {
read_sensors_(param->read.value, param->read.value_len);
}
break;
}
default:
break;
}
}
void AirthingsWaveMini::read_sensors_(uint8_t *raw_value, uint16_t value_len) {
auto value = (WaveMiniReadings *) raw_value;
if (sizeof(WaveMiniReadings) <= value_len) {
this->humidity_sensor_->publish_state(value->humidity / 100.0f);
this->pressure_sensor_->publish_state(value->pressure / 50.0f);
this->temperature_sensor_->publish_state(value->temperature / 100.0f - 273.15f);
if (is_valid_voc_value_(value->voc)) {
this->tvoc_sensor_->publish_state(value->voc);
}
// This instance must not stay connected
// so other clients can connect to it (e.g. the
// mobile app).
parent()->set_enabled(false);
}
}
bool AirthingsWaveMini::is_valid_voc_value_(uint16_t voc) { return 0 <= voc && voc <= 16383; }
void AirthingsWaveMini::loop() {}
void AirthingsWaveMini::update() {
if (this->node_state != esp32_ble_tracker::ClientState::ESTABLISHED) {
if (!parent()->enabled) {
ESP_LOGW(TAG, "Reconnecting to device");
parent()->set_enabled(true);
parent()->connect();
} else {
ESP_LOGW(TAG, "Connection in progress");
}
}
}
void AirthingsWaveMini::request_read_values_() {
auto status =
esp_ble_gattc_read_char(this->parent()->gattc_if, this->parent()->conn_id, this->handle_, ESP_GATT_AUTH_REQ_NONE);
if (status) {
ESP_LOGW(TAG, "Error sending read request for sensor, status=%d", status);
}
}
void AirthingsWaveMini::dump_config() {
LOG_SENSOR(" ", "Humidity", this->humidity_sensor_);
LOG_SENSOR(" ", "Temperature", this->temperature_sensor_);
LOG_SENSOR(" ", "Pressure", this->pressure_sensor_);
LOG_SENSOR(" ", "TVOC", this->tvoc_sensor_);
}
AirthingsWaveMini::AirthingsWaveMini() : PollingComponent(10000) {
auto service_bt = *BLEUUID::fromString(std::string("b42e3882-ade7-11e4-89d3-123b93f75cba")).getNative();
auto characteristic_bt = *BLEUUID::fromString(std::string("b42e3b98-ade7-11e4-89d3-123b93f75cba")).getNative();
service_uuid_ = esp32_ble_tracker::ESPBTUUID::from_uuid(service_bt);
sensors_data_characteristic_uuid_ = esp32_ble_tracker::ESPBTUUID::from_uuid(characteristic_bt);
}
void AirthingsWaveMini::setup() {}
} // namespace airthings_wave_mini
} // namespace esphome
#endif // USE_ESP32_FRAMEWORK_ARDUINO

65
esphome/components/airthings_wave_mini/airthings_wave_mini.h Normal file
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#pragma once
#ifdef USE_ESP32_FRAMEWORK_ARDUINO
#include <algorithm>
#include <iterator>
#include <esp_gattc_api.h>
#include <BLEDevice.h>
#include "esphome/core/component.h"
#include "esphome/core/log.h"
#include "esphome/components/ble_client/ble_client.h"
#include "esphome/components/esp32_ble_tracker/esp32_ble_tracker.h"
#include "esphome/components/sensor/sensor.h"
namespace esphome {
namespace airthings_wave_mini {
class AirthingsWaveMini : public PollingComponent, public ble_client::BLEClientNode {
public:
AirthingsWaveMini();
void setup() override;
void dump_config() override;
void update() override;
void loop() override;
void gattc_event_handler(esp_gattc_cb_event_t event, esp_gatt_if_t gattc_if,
esp_ble_gattc_cb_param_t *param) override;
void set_temperature(sensor::Sensor *temperature) { temperature_sensor_ = temperature; }
void set_humidity(sensor::Sensor *humidity) { humidity_sensor_ = humidity; }
void set_pressure(sensor::Sensor *pressure) { pressure_sensor_ = pressure; }
void set_tvoc(sensor::Sensor *tvoc) { tvoc_sensor_ = tvoc; }
protected:
bool is_valid_voc_value_(uint16_t voc);
void read_sensors_(uint8_t *value, uint16_t value_len);
void request_read_values_();
sensor::Sensor *temperature_sensor_{nullptr};
sensor::Sensor *humidity_sensor_{nullptr};
sensor::Sensor *pressure_sensor_{nullptr};
sensor::Sensor *tvoc_sensor_{nullptr};
uint16_t handle_;
esp32_ble_tracker::ESPBTUUID service_uuid_;
esp32_ble_tracker::ESPBTUUID sensors_data_characteristic_uuid_;
struct WaveMiniReadings {
uint16_t unused01;
uint16_t temperature;
uint16_t pressure;
uint16_t humidity;
uint16_t voc;
uint16_t unused02;
uint32_t unused03;
uint32_t unused04;
};
};
} // namespace airthings_wave_mini
} // namespace esphome
#endif // USE_ESP32_FRAMEWORK_ARDUINO

88
esphome/components/airthings_wave_mini/sensor.py Normal file
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@@ -0,0 +1,88 @@
import esphome.codegen as cg
import esphome.config_validation as cv
from esphome.components import sensor, ble_client
from esphome.core import CORE
from esphome.const import (
DEVICE_CLASS_HUMIDITY,
DEVICE_CLASS_TEMPERATURE,
DEVICE_CLASS_PRESSURE,
STATE_CLASS_MEASUREMENT,
UNIT_PERCENT,
UNIT_CELSIUS,
UNIT_HECTOPASCAL,
CONF_ID,
CONF_HUMIDITY,
CONF_TVOC,
CONF_PRESSURE,
CONF_TEMPERATURE,
UNIT_PARTS_PER_BILLION,
ICON_RADIATOR,
)
DEPENDENCIES = ["ble_client"]
airthings_wave_mini_ns = cg.esphome_ns.namespace("airthings_wave_mini")
AirthingsWaveMini = airthings_wave_mini_ns.class_(
"AirthingsWaveMini", cg.PollingComponent, ble_client.BLEClientNode
)
CONFIG_SCHEMA = cv.All(
cv.Schema(
{
cv.GenerateID(): cv.declare_id(AirthingsWaveMini),
cv.Optional(CONF_HUMIDITY): sensor.sensor_schema(
unit_of_measurement=UNIT_PERCENT,
device_class=DEVICE_CLASS_HUMIDITY,
state_class=STATE_CLASS_MEASUREMENT,
accuracy_decimals=2,
),
cv.Optional(CONF_TEMPERATURE): sensor.sensor_schema(
unit_of_measurement=UNIT_CELSIUS,
accuracy_decimals=2,
device_class=DEVICE_CLASS_TEMPERATURE,
state_class=STATE_CLASS_MEASUREMENT,
),
cv.Optional(CONF_PRESSURE): sensor.sensor_schema(
unit_of_measurement=UNIT_HECTOPASCAL,
accuracy_decimals=2,
device_class=DEVICE_CLASS_PRESSURE,
state_class=STATE_CLASS_MEASUREMENT,
),
cv.Optional(CONF_TVOC): sensor.sensor_schema(
unit_of_measurement=UNIT_PARTS_PER_BILLION,
icon=ICON_RADIATOR,
accuracy_decimals=0,
state_class=STATE_CLASS_MEASUREMENT,
),
}
)
.extend(cv.polling_component_schema("5mins"))
.extend(ble_client.BLE_CLIENT_SCHEMA),
# Until BLEUUID reference removed
cv.only_with_arduino,
)
async def to_code(config):
var = cg.new_Pvariable(config[CONF_ID])
await cg.register_component(var, config)
await ble_client.register_ble_node(var, config)
if CONF_HUMIDITY in config:
sens = await sensor.new_sensor(config[CONF_HUMIDITY])
cg.add(var.set_humidity(sens))
if CONF_TEMPERATURE in config:
sens = await sensor.new_sensor(config[CONF_TEMPERATURE])
cg.add(var.set_temperature(sens))
if CONF_PRESSURE in config:
sens = await sensor.new_sensor(config[CONF_PRESSURE])
cg.add(var.set_pressure(sens))
if CONF_TVOC in config:
sens = await sensor.new_sensor(config[CONF_TVOC])
cg.add(var.set_tvoc(sens))
if CORE.is_esp32:
cg.add_library("ESP32 BLE Arduino", None)

14
tests/test2.yaml
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@@ -281,6 +281,17 @@ sensor:
name: "Wave Plus CO2"
tvoc:
name: "Wave Plus VOC"
- platform: airthings_wave_mini
ble_client_id: airthingsmini01
update_interval: 5min
temperature:
name: "Wave Mini Temperature"
humidity:
name: "Wave Mini Humidity"
pressure:
name: "Wave Mini Pressure"
tvoc:
name: "Wave Mini VOC"
time:
- platform: homeassistant
@@ -378,6 +389,9 @@ esp32_ble_tracker:
ble_client:
- mac_address: 01:02:03:04:05:06
id: airthings01
- mac_address: 01:02:03:04:05:06
id: airthingsmini01
airthings_ble: