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Combine code of xiaomi_miscale and xiaomi_miscale2 (#2266)

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* Combine xiaomi_miscale and xiaomi_miscale2

* check if message contains impedance

* auto detect scale version

* remove xiaomi_miscale2

* fix lint errors

* Apply suggestions from code review

Co-authored-by: Oxan van Leeuwen <oxan@oxanvanleeuwen.nl>

* Apply suggestions from code review on old code

* Fix clang-tidy warnings

Co-authored-by: Oxan van Leeuwen <oxan@oxanvanleeuwen.nl>
This commit is contained in:
Robert Resch 2021-09-22 12:12:55 +02:00 committed by GitHub
parent ed593544d8
commit f1364d4af4
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
8 changed files with 98 additions and 225 deletions
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4
esphome/components/esp32_ble_tracker/esp32_ble_tracker.cpp
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@ -380,8 +380,8 @@ bool ESPBTUUID::operator==(const ESPBTUUID &uuid) const {
}
return false;
}
esp_bt_uuid_t ESPBTUUID::get_uuid() { return this->uuid_; }
std::string ESPBTUUID::to_string() {
esp_bt_uuid_t ESPBTUUID::get_uuid() const { return this->uuid_; }
std::string ESPBTUUID::to_string() const {
char sbuf[64];
switch (this->uuid_.len) {
case ESP_UUID_LEN_16:

4
esphome/components/esp32_ble_tracker/esp32_ble_tracker.h
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@ -34,9 +34,9 @@ class ESPBTUUID {
bool operator==(const ESPBTUUID &uuid) const;
bool operator!=(const ESPBTUUID &uuid) const { return !(*this == uuid); }
esp_bt_uuid_t get_uuid();
esp_bt_uuid_t get_uuid() const;
std::string to_string();
std::string to_string() const;
protected:
esp_bt_uuid_t uuid_;

12
esphome/components/xiaomi_miscale/sensor.py
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@ -8,6 +8,9 @@ from esphome.const import (
STATE_CLASS_MEASUREMENT,
UNIT_KILOGRAM,
ICON_SCALE_BATHROOM,
UNIT_OHM,
CONF_IMPEDANCE,
ICON_OMEGA,
)
DEPENDENCIES = ["esp32_ble_tracker"]
@ -28,6 +31,12 @@ CONFIG_SCHEMA = (
accuracy_decimals=2,
state_class=STATE_CLASS_MEASUREMENT,
),
cv.Optional(CONF_IMPEDANCE): sensor.sensor_schema(
unit_of_measurement=UNIT_OHM,
icon=ICON_OMEGA,
accuracy_decimals=0,
state_class=STATE_CLASS_MEASUREMENT,
),
}
)
.extend(esp32_ble_tracker.ESP_BLE_DEVICE_SCHEMA)
@ -45,3 +54,6 @@ async def to_code(config):
if CONF_WEIGHT in config:
sens = await sensor.new_sensor(config[CONF_WEIGHT])
cg.add(var.set_weight(sens))
if CONF_IMPEDANCE in config:
sens = await sensor.new_sensor(config[CONF_IMPEDANCE])
cg.add(var.set_impedance(sens))

85
esphome/components/xiaomi_miscale/xiaomi_miscale.cpp
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@ -11,6 +11,7 @@ static const char *const TAG = "xiaomi_miscale";
void XiaomiMiscale::dump_config() {
ESP_LOGCONFIG(TAG, "Xiaomi Miscale");
LOG_SENSOR(" ", "Weight", this->weight_);
LOG_SENSOR(" ", "Impedance", this->impedance_);
}
bool XiaomiMiscale::parse_device(const esp32_ble_tracker::ESPBTDevice &device) {
@ -26,14 +27,22 @@ bool XiaomiMiscale::parse_device(const esp32_ble_tracker::ESPBTDevice &device) {
if (!res.has_value()) {
continue;
}
if (!(parse_message(service_data.data, *res))) {
continue;
}
if (!(report_results(res, device.address_str()))) {
continue;
}
if (res->weight.has_value() && this->weight_ != nullptr)
this->weight_->publish_state(*res->weight);
if (res->version == 1 && this->impedance_ != nullptr) {
ESP_LOGW(TAG, "Impedance is only supported on version 2. Your scale was identified as verison 1.");
} else if (res->impedance.has_value() && this->impedance_ != nullptr)
this->impedance_->publish_state(*res->impedance);
success = true;
}
@ -42,8 +51,14 @@ bool XiaomiMiscale::parse_device(const esp32_ble_tracker::ESPBTDevice &device) {
optional<ParseResult> XiaomiMiscale::parse_header(const esp32_ble_tracker::ServiceData &service_data) {
ParseResult result;
if (!service_data.uuid.contains(0x1D, 0x18)) {
ESP_LOGVV(TAG, "parse_header(): no service data UUID magic bytes.");
if (service_data.uuid == esp32_ble_tracker::ESPBTUUID::from_uint16(0x181D) && service_data.data.size() == 10) {
result.version = 1;
} else if (service_data.uuid == esp32_ble_tracker::ESPBTUUID::from_uint16(0x181B) && service_data.data.size() == 13) {
result.version = 2;
} else {
ESP_LOGVV(TAG,
"parse_header(): Couldn't identify scale version or data size was not correct. UUID: %s, data_size: %d",
service_data.uuid.to_string().c_str(), service_data.data.size());
return {};
}
@ -51,7 +66,15 @@ optional<ParseResult> XiaomiMiscale::parse_header(const esp32_ble_tracker::Servi
}
bool XiaomiMiscale::parse_message(const std::vector<uint8_t> &message, ParseResult &result) {
// example 1d18 a2 6036 e307 07 11 0f1f11
if (result.version == 1) {
return parse_message_V1(message, result);
} else {
return parse_message_V2(message, result);
}
}
bool XiaomiMiscale::parse_message_V1(const std::vector<uint8_t> &message, ParseResult &result) {
// message size is checked in parse_header
// 1-2 Weight (MISCALE 181D)
// 3-4 Years (MISCALE 181D)
// 5 month (MISCALE 181D)
@ -61,21 +84,56 @@ bool XiaomiMiscale::parse_message(const std::vector<uint8_t> &message, ParseResu
// 9 second (MISCALE 181D)
const uint8_t *data = message.data();
const int data_length = 10;
if (message.size() != data_length) {
ESP_LOGVV(TAG, "parse_message(): payload has wrong size (%d)!", message.size());
return false;
}
// weight, 2 bytes, 16-bit unsigned integer, 1 kg
const int16_t weight = uint16_t(data[1]) | (uint16_t(data[2]) << 8);
if (data[0] == 0x22 || data[0] == 0xa2)
result.weight = weight * 0.01f / 2.0f; // unit 'kg'
else if (data[0] == 0x12 || data[0] == 0xb2)
result.weight = weight * 0.01f * 0.6; // unit 'jin'
result.weight = weight * 0.01f * 0.6f; // unit 'jin'
else if (data[0] == 0x03 || data[0] == 0xb3)
result.weight = weight * 0.01f * 0.453592; // unit 'lbs'
result.weight = weight * 0.01f * 0.453592f; // unit 'lbs'
return true;
}
bool XiaomiMiscale::parse_message_V2(const std::vector<uint8_t> &message, ParseResult &result) {
// message size is checked in parse_header
// 2-3 Years (MISCALE 2 181B)
// 4 month (MISCALE 2 181B)
// 5 day (MISCALE 2 181B)
// 6 hour (MISCALE 2 181B)
// 7 minute (MISCALE 2 181B)
// 8 second (MISCALE 2 181B)
// 9-10 impedance (MISCALE 2 181B)
// 11-12 weight (MISCALE 2 181B)
const uint8_t *data = message.data();
bool has_impedance = ((data[1] & (1 << 1)) != 0);
bool is_stabilized = ((data[1] & (1 << 5)) != 0);
bool load_removed = ((data[1] & (1 << 7)) != 0);
if (!is_stabilized || load_removed) {
return false;
}
// weight, 2 bytes, 16-bit unsigned integer, 1 kg
const int16_t weight = uint16_t(data[11]) | (uint16_t(data[12]) << 8);
if (data[0] == 0x02)
result.weight = weight * 0.01f / 2.0f; // unit 'kg'
else if (data[0] == 0x03)
result.weight = weight * 0.01f * 0.453592f; // unit 'lbs'
if (has_impedance) {
// impedance, 2 bytes, 16-bit
const int16_t impedance = uint16_t(data[9]) | (uint16_t(data[10]) << 8);
result.impedance = impedance;
if (impedance == 0 || impedance >= 3000) {
return false;
}
}
return true;
}
@ -86,11 +144,14 @@ bool XiaomiMiscale::report_results(const optional<ParseResult> &result, const st
return false;
}
ESP_LOGD(TAG, "Got Xiaomi Miscale (%s):", address.c_str());
ESP_LOGD(TAG, "Got Xiaomi Miscale v%d (%s):", result->version, address.c_str());
if (result->weight.has_value()) {
ESP_LOGD(TAG, " Weight: %.2fkg", *result->weight);
}
if (result->impedance.has_value()) {
ESP_LOGD(TAG, " Impedance: %.0fohm", *result->impedance);
}
return true;
}

6
esphome/components/xiaomi_miscale/xiaomi_miscale.h
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@ -10,7 +10,9 @@ namespace esphome {
namespace xiaomi_miscale {
struct ParseResult {
int version;
optional<float> weight;
optional<float> impedance;
};
class XiaomiMiscale : public Component, public esp32_ble_tracker::ESPBTDeviceListener {
@ -21,13 +23,17 @@ class XiaomiMiscale : public Component, public esp32_ble_tracker::ESPBTDeviceLis
void dump_config() override;
float get_setup_priority() const override { return setup_priority::DATA; }
void set_weight(sensor::Sensor *weight) { weight_ = weight; }
void set_impedance(sensor::Sensor *impedance) { impedance_ = impedance; }
protected:
uint64_t address_;
sensor::Sensor *weight_{nullptr};
sensor::Sensor *impedance_{nullptr};
optional<ParseResult> parse_header(const esp32_ble_tracker::ServiceData &service_data);
bool parse_message(const std::vector<uint8_t> &message, ParseResult &result);
bool parse_message_V1(const std::vector<uint8_t> &message, ParseResult &result);
bool parse_message_V2(const std::vector<uint8_t> &message, ParseResult &result);
bool report_results(const optional<ParseResult> &result, const std::string &address);
};

60
esphome/components/xiaomi_miscale2/sensor.py
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@ -1,59 +1,5 @@
import esphome.codegen as cg
import esphome.config_validation as cv
from esphome.components import sensor, esp32_ble_tracker
from esphome.const import (
CONF_MAC_ADDRESS,
CONF_ID,
CONF_WEIGHT,
STATE_CLASS_MEASUREMENT,
UNIT_KILOGRAM,
ICON_SCALE_BATHROOM,
UNIT_OHM,
CONF_IMPEDANCE,
ICON_OMEGA,
CONFIG_SCHEMA = cv.invalid(
"This platform has been combined into xiaomi_miscale. Use xiaomi_miscale instead."
)
DEPENDENCIES = ["esp32_ble_tracker"]
xiaomi_miscale2_ns = cg.esphome_ns.namespace("xiaomi_miscale2")
XiaomiMiscale2 = xiaomi_miscale2_ns.class_(
"XiaomiMiscale2", esp32_ble_tracker.ESPBTDeviceListener, cg.Component
)
CONFIG_SCHEMA = (
cv.Schema(
{
cv.GenerateID(): cv.declare_id(XiaomiMiscale2),
cv.Required(CONF_MAC_ADDRESS): cv.mac_address,
cv.Optional(CONF_WEIGHT): sensor.sensor_schema(
unit_of_measurement=UNIT_KILOGRAM,
icon=ICON_SCALE_BATHROOM,
accuracy_decimals=2,
state_class=STATE_CLASS_MEASUREMENT,
),
cv.Optional(CONF_IMPEDANCE): sensor.sensor_schema(
unit_of_measurement=UNIT_OHM,
icon=ICON_OMEGA,
accuracy_decimals=0,
state_class=STATE_CLASS_MEASUREMENT,
),
}
)
.extend(esp32_ble_tracker.ESP_BLE_DEVICE_SCHEMA)
.extend(cv.COMPONENT_SCHEMA)
)
async def to_code(config):
var = cg.new_Pvariable(config[CONF_ID])
await cg.register_component(var, config)
await esp32_ble_tracker.register_ble_device(var, config)
cg.add(var.set_address(config[CONF_MAC_ADDRESS].as_hex))
if CONF_WEIGHT in config:
sens = await sensor.new_sensor(config[CONF_WEIGHT])
cg.add(var.set_weight(sens))
if CONF_IMPEDANCE in config:
sens = await sensor.new_sensor(config[CONF_IMPEDANCE])
cg.add(var.set_impedance(sens))

112
esphome/components/xiaomi_miscale2/xiaomi_miscale2.cpp
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@ -1,112 +0,0 @@
#include "xiaomi_miscale2.h"
#include "esphome/core/log.h"
#ifdef USE_ESP32
namespace esphome {
namespace xiaomi_miscale2 {
static const char *const TAG = "xiaomi_miscale2";
void XiaomiMiscale2::dump_config() {
ESP_LOGCONFIG(TAG, "Xiaomi Miscale2");
LOG_SENSOR(" ", "Weight", this->weight_);
LOG_SENSOR(" ", "Impedance", this->impedance_);
}
bool XiaomiMiscale2::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 = parse_header(service_data);
if (!res.has_value()) {
continue;
}
if (!(parse_message(service_data.data, *res))) {
continue;
}
if (!(report_results(res, device.address_str()))) {
continue;
}
if (res->weight.has_value() && this->weight_ != nullptr)
this->weight_->publish_state(*res->weight);
if (res->impedance.has_value() && this->impedance_ != nullptr)
this->impedance_->publish_state(*res->impedance);
success = true;
}
return success;
}
optional<ParseResult> XiaomiMiscale2::parse_header(const esp32_ble_tracker::ServiceData &service_data) {
ParseResult result;
if (!service_data.uuid.contains(0x1B, 0x18)) {
ESP_LOGVV(TAG, "parse_header(): no service data UUID magic bytes.");
return {};
}
return result;
}
bool XiaomiMiscale2::parse_message(const std::vector<uint8_t> &message, ParseResult &result) {
// 2-3 Years (MISCALE 2 181B)
// 4 month (MISCALE 2 181B)
// 5 day (MISCALE 2 181B)
// 6 hour (MISCALE 2 181B)
// 7 minute (MISCALE 2 181B)
// 8 second (MISCALE 2 181B)
// 9-10 impedance (MISCALE 2 181B)
// 11-12 weight (MISCALE 2 181B)
const uint8_t *data = message.data();
const int data_length = 13;
if (message.size() != data_length) {
ESP_LOGVV(TAG, "parse_message(): payload has wrong size (%d)!", message.size());
return false;
}
bool is_stabilized = ((data[1] & (1 << 5)) != 0);
bool load_removed = ((data[1] & (1 << 7)) != 0);
// weight, 2 bytes, 16-bit unsigned integer, 1 kg
const int16_t weight = uint16_t(data[11]) | (uint16_t(data[12]) << 8);
if (data[0] == 0x02)
result.weight = weight * 0.01f / 2.0f; // unit 'kg'
else if (data[0] == 0x03)
result.weight = weight * 0.01f * 0.453592; // unit 'lbs'
// impedance, 2 bytes, 16-bit
const int16_t impedance = uint16_t(data[9]) | (uint16_t(data[10]) << 8);
result.impedance = impedance;
return is_stabilized && !load_removed && impedance != 0 && impedance < 3000;
}
bool XiaomiMiscale2::report_results(const optional<ParseResult> &result, const std::string &address) {
if (!result.has_value()) {
ESP_LOGVV(TAG, "report_results(): no results available.");
return false;
}
ESP_LOGD(TAG, "Got Xiaomi Miscale2 (%s):", address.c_str());
if (result->weight.has_value()) {
ESP_LOGD(TAG, " Weight: %.2fkg", *result->weight);
}
if (result->impedance.has_value()) {
ESP_LOGD(TAG, " Impedance: %.0fohm", *result->impedance);
}
return true;
}
} // namespace xiaomi_miscale2
} // namespace esphome
#endif

40
esphome/components/xiaomi_miscale2/xiaomi_miscale2.h
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@ -1,40 +0,0 @@
#pragma once
#include "esphome/core/component.h"
#include "esphome/components/sensor/sensor.h"
#include "esphome/components/esp32_ble_tracker/esp32_ble_tracker.h"
#ifdef USE_ESP32
namespace esphome {
namespace xiaomi_miscale2 {
struct ParseResult {
optional<float> weight;
optional<float> impedance;
};
class XiaomiMiscale2 : public Component, public esp32_ble_tracker::ESPBTDeviceListener {
public:
void set_address(uint64_t address) { address_ = address; };
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_weight(sensor::Sensor *weight) { weight_ = weight; }
void set_impedance(sensor::Sensor *impedance) { impedance_ = impedance; }
protected:
uint64_t address_;
sensor::Sensor *weight_{nullptr};
sensor::Sensor *impedance_{nullptr};
optional<ParseResult> parse_header(const esp32_ble_tracker::ServiceData &service_data);
bool parse_message(const std::vector<uint8_t> &message, ParseResult &result);
bool report_results(const optional<ParseResult> &result, const std::string &address);
};
} // namespace xiaomi_miscale2
} // namespace esphome
#endif