Add support for MHO-C401 (#1486)

Committer: nikito7

Co-authored-by: vevsvevs <v-v@mail.ru>
Co-authored-by: Jesse Hills <3060199+jesserockz@users.noreply.github.com>
Co-authored-by: nikito7 <root@vbox.lan>
This commit is contained in:
nikito7 2021-01-27 07:14:43 +00:00 committed by Jesse Hills
parent 95bef53d37
commit 5057caa7fc
No known key found for this signature in database
GPG Key ID: BEAAE804EFD8E83A
7 changed files with 166 additions and 1 deletions

View File

@ -100,3 +100,4 @@ esphome/components/version/* @esphome/core
esphome/components/web_server_base/* @OttoWinter
esphome/components/whirlpool/* @glmnet
esphome/components/xiaomi_lywsd03mmc/* @ahpohl
esphome/components/xiaomi_mhoc401/* @vevsvevs

View File

@ -194,6 +194,9 @@ optional<XiaomiParseResult> parse_xiaomi_header(const esp32_ble_tracker::Service
result.name = "MJYD02YLA";
if (raw.size() == 19)
result.raw_offset -= 6;
} else if ((raw[2] == 0x87) && (raw[3] == 0x03)) { // square body, e-ink display
result.type = XiaomiParseResult::TYPE_MHOC401;
result.name = "MHOC401";
} else {
ESP_LOGVV(TAG, "parse_xiaomi_header(): unknown device, no magic bytes.");
return {};

View File

@ -21,7 +21,8 @@ struct XiaomiParseResult {
TYPE_JQJCY01YM,
TYPE_MUE4094RT,
TYPE_WX08ZM,
TYPE_MJYD02YLA
TYPE_MJYD02YLA,
TYPE_MHOC401
} type;
std::string name;
optional<float> temperature;

View File

@ -0,0 +1,43 @@
import esphome.codegen as cg
import esphome.config_validation as cv
from esphome.components import sensor, esp32_ble_tracker
from esphome.const import CONF_BATTERY_LEVEL, CONF_HUMIDITY, CONF_MAC_ADDRESS, CONF_TEMPERATURE, \
UNIT_CELSIUS, ICON_THERMOMETER, UNIT_PERCENT, ICON_WATER_PERCENT, ICON_BATTERY, CONF_ID, \
CONF_BINDKEY
CODEOWNERS = ['@vevsvevs']
DEPENDENCIES = ['esp32_ble_tracker']
AUTO_LOAD = ['xiaomi_ble']
xiaomi_mhoc401_ns = cg.esphome_ns.namespace('xiaomi_mhoc401')
XiaomiMHOC401 = xiaomi_mhoc401_ns.class_('XiaomiMHOC401',
esp32_ble_tracker.ESPBTDeviceListener,
cg.Component)
CONFIG_SCHEMA = cv.Schema({
cv.GenerateID(): cv.declare_id(XiaomiMHOC401),
cv.Required(CONF_BINDKEY): cv.bind_key,
cv.Required(CONF_MAC_ADDRESS): cv.mac_address,
cv.Optional(CONF_TEMPERATURE): sensor.sensor_schema(UNIT_CELSIUS, ICON_THERMOMETER, 1),
cv.Optional(CONF_HUMIDITY): sensor.sensor_schema(UNIT_PERCENT, ICON_WATER_PERCENT, 0),
cv.Optional(CONF_BATTERY_LEVEL): sensor.sensor_schema(UNIT_PERCENT, ICON_BATTERY, 0),
}).extend(esp32_ble_tracker.ESP_BLE_DEVICE_SCHEMA).extend(cv.COMPONENT_SCHEMA)
def to_code(config):
var = cg.new_Pvariable(config[CONF_ID])
yield cg.register_component(var, config)
yield esp32_ble_tracker.register_ble_device(var, config)
cg.add(var.set_address(config[CONF_MAC_ADDRESS].as_hex))
cg.add(var.set_bindkey(config[CONF_BINDKEY]))
if CONF_TEMPERATURE in config:
sens = yield sensor.new_sensor(config[CONF_TEMPERATURE])
cg.add(var.set_temperature(sens))
if CONF_HUMIDITY in config:
sens = yield sensor.new_sensor(config[CONF_HUMIDITY])
cg.add(var.set_humidity(sens))
if CONF_BATTERY_LEVEL in config:
sens = yield sensor.new_sensor(config[CONF_BATTERY_LEVEL])
cg.add(var.set_battery_level(sens))

View File

@ -0,0 +1,81 @@
#include "xiaomi_mhoc401.h"
#include "esphome/core/log.h"
#ifdef ARDUINO_ARCH_ESP32
namespace esphome {
namespace xiaomi_mhoc401 {
static const char *TAG = "xiaomi_mhoc401";
void XiaomiMHOC401::dump_config() {
ESP_LOGCONFIG(TAG, "Xiaomi MHOC401");
ESP_LOGCONFIG(TAG, " Bindkey: %s", hexencode(this->bindkey_, 16).c_str());
LOG_SENSOR(" ", "Temperature", this->temperature_);
LOG_SENSOR(" ", "Humidity", this->humidity_);
LOG_SENSOR(" ", "Battery Level", this->battery_level_);
}
bool XiaomiMHOC401::parse_device(const esp32_ble_tracker::ESPBTDevice &device) {
if (device.address_uint64() != this->address_) {
ESP_LOGVV(TAG, "parse_device(): unknown MAC address.");
return false;
}
ESP_LOGVV(TAG, "parse_device(): MAC address %s found.", device.address_str().c_str());
bool success = false;
for (auto &service_data : device.get_service_datas()) {
auto res = xiaomi_ble::parse_xiaomi_header(service_data);
if (!res.has_value()) {
continue;
}
if (res->is_duplicate) {
continue;
}
if (res->has_encryption &&
(!(xiaomi_ble::decrypt_xiaomi_payload(const_cast<std::vector<uint8_t> &>(service_data.data), this->bindkey_,
this->address_)))) {
continue;
}
if (!(xiaomi_ble::parse_xiaomi_message(service_data.data, *res))) {
continue;
}
if (res->humidity.has_value() && this->humidity_ != nullptr) {
// see https://github.com/custom-components/sensor.mitemp_bt/issues/7#issuecomment-595948254
*res->humidity = trunc(*res->humidity);
}
if (!(xiaomi_ble::report_xiaomi_results(res, device.address_str()))) {
continue;
}
if (res->temperature.has_value() && this->temperature_ != nullptr)
this->temperature_->publish_state(*res->temperature);
if (res->humidity.has_value() && this->humidity_ != nullptr)
this->humidity_->publish_state(*res->humidity);
if (res->battery_level.has_value() && this->battery_level_ != nullptr)
this->battery_level_->publish_state(*res->battery_level);
success = true;
}
if (!success) {
return false;
}
return true;
}
void XiaomiMHOC401::set_bindkey(const std::string &bindkey) {
memset(bindkey_, 0, 16);
if (bindkey.size() != 32) {
return;
}
char temp[3] = {0};
for (int i = 0; i < 16; i++) {
strncpy(temp, &(bindkey.c_str()[i * 2]), 2);
bindkey_[i] = std::strtoul(temp, NULL, 16);
}
}
} // namespace xiaomi_mhoc401
} // namespace esphome
#endif

View File

@ -0,0 +1,36 @@
#pragma once
#include "esphome/core/component.h"
#include "esphome/components/sensor/sensor.h"
#include "esphome/components/esp32_ble_tracker/esp32_ble_tracker.h"
#include "esphome/components/xiaomi_ble/xiaomi_ble.h"
#ifdef ARDUINO_ARCH_ESP32
namespace esphome {
namespace xiaomi_mhoc401 {
class XiaomiMHOC401 : public Component, public esp32_ble_tracker::ESPBTDeviceListener {
public:
void set_address(uint64_t address) { address_ = address; };
void set_bindkey(const std::string &bindkey);
bool parse_device(const esp32_ble_tracker::ESPBTDevice &device) override;
void dump_config() override;
float get_setup_priority() const override { return setup_priority::DATA; }
void set_temperature(sensor::Sensor *temperature) { temperature_ = temperature; }
void set_humidity(sensor::Sensor *humidity) { humidity_ = humidity; }
void set_battery_level(sensor::Sensor *battery_level) { battery_level_ = battery_level; }
protected:
uint64_t address_;
uint8_t bindkey_[16];
sensor::Sensor *temperature_{nullptr};
sensor::Sensor *humidity_{nullptr};
sensor::Sensor *battery_level_{nullptr};
};
} // namespace xiaomi_mhoc401
} // namespace esphome
#endif