Removed cached png from repo.

.HA_VERSION

@@ -1 +1 @@
-2026.4.4
+2026.5.3

.gitignore

@@ -13,3 +13,4 @@ home-assistant.log*
 zigbee.db*
 *__pycache__*
 .ha_run.lock
+.cache

automations.yaml

@@ -139,10 +139,6 @@
     trigger: time
   conditions: []
   actions:
-  - action: notify.mobile_app_apollo
-    data:
-      message: Lodere es, Lustknabe.
-      title: 420!
   - data:
       title: 420!
       message: Lodere es, Lustknabe.
@@ -183,6 +179,10 @@
       topic: awtrix_desk/notify
       payload: '{"text": "420, lodere es, Lustknabe!"}'
     action: mqtt.publish
+  - action: notify.mobile_app_apollo
+    data:
+      message: Lodere es, Lustknabe.
+      title: 420!
   mode: single
 - id: '1623911524804'
   alias: TV Anti-Reflexion (undo)
@@ -227,28 +227,28 @@
     action: light.turn_on
   - data:
       cache: true
-      media_player_entity_id: media_player.home_assistant_voice_0a7c6b
+      media_player_entity_id: media_player.home_assistant_voice_0a7c6b_media_player
       message: Ab ins Bett, Schlafenszeit.
     target:
       entity_id: tts.piper
-    action: tts.speak
     enabled: true
+    action: tts.speak
   - data:
       cache: true
-      media_player_entity_id: media_player.home_assistant_voice_09c0e7_media_player_2
+      media_player_entity_id: media_player.home_assistant_voice_09c0e7_media_player
       message: Ab ins Bett, Schlafenszeit.
     target:
       entity_id: tts.piper
-    action: tts.speak
     enabled: true
+    action: tts.speak
   - data:
       cache: true
       media_player_entity_id: media_player.m5stack_atom_echo
       message: Ab ins Bett, Schlafenszeit.
     target:
       entity_id: tts.piper
-    action: tts.speak
     enabled: true
+    action: tts.speak
   mode: single
 - id: '1623954512941'
   alias: Licht im Schlafzimmer zum Aufwachen einschalten

esphome/archive/owon-b35t-m5stack-core1.yaml

@@ -1,293 +0,0 @@
-substitutions:
-  name: "owon-b35t"
-  friendly_name: "OWON B35T Multimeter"
-  device_description: "M5Stack Core 1 BLE client for OWON B35T/B35T+ multimeter with local graphical display"
-  owon_mac_address: !secret owon_b35t_mac_address
-
-esphome:
-  name: ${name}
-  friendly_name: ${friendly_name}
-  comment: ${device_description}
-  min_version: 2024.6.0
-  includes:
-    - owon_b35t-m5stack-core1.h
-  project:
-    name: "custom.owon-b35t-m5stack"
-    version: "1.0"
-
-esp32:
-  board: m5stack-core-esp32
-  framework:
-    type: esp-idf
-    advanced:
-      minimum_chip_revision: "3.1"
-
-logger:
-  level: INFO
-
-api:
-  encryption:
-    key: !secret apikey
-
-ota:
-  platform: esphome
-  password: !secret ota
-
-wifi:
-  ssid: "Voltage-legacy"
-  password: !secret voltage_legacy_psk
-  #use_address: ${name}.home
-  power_save_mode: none
-  fast_connect: on
-  min_auth_mode: WPA2
-  ap:
-    ssid: "OWON B35T Fallback Hotspot"
-    password: !secret fallback_psk
-
-# Disabled to save RAM on the M5Stack Core 1. Re-enable temporarily if Wi-Fi recovery is needed.
-# captive_portal:
-
-interval:
-  - interval: 10s
-    then:
-      - lambda: |-
-          ESP_LOGI("mem", "heap free=%u min_free=%u internal_free=%u internal_largest=%u dma_free=%u dma_largest=%u",
-                   static_cast<unsigned>(esp_get_free_heap_size()),
-                   static_cast<unsigned>(esp_get_minimum_free_heap_size()),
-                   static_cast<unsigned>(heap_caps_get_free_size(MALLOC_CAP_INTERNAL)),
-                   static_cast<unsigned>(heap_caps_get_largest_free_block(MALLOC_CAP_INTERNAL)),
-                   static_cast<unsigned>(heap_caps_get_free_size(MALLOC_CAP_DMA)),
-                   static_cast<unsigned>(heap_caps_get_largest_free_block(MALLOC_CAP_DMA)));
-
-esp32_ble_tracker:
-  scan_parameters:
-    active: true
-    continuous: true
-
-ble_client:
-  - mac_address: ${owon_mac_address}
-    id: owon_ble_client
-    on_connect:
-      then:
-        - lambda: |-
-            owon_meter.on_connect();
-    on_disconnect:
-      then:
-        - lambda: |-
-            owon_meter.on_disconnect();
-        - logger.log:
-            level: WARN
-            format: "OWON BLE meter disconnected; restarting M5Stack to reclaim heap"
-        - delay: 1s
-        - lambda: |-
-            esp_restart();
-
-spi:
-  clk_pin: GPIO18
-  mosi_pin: GPIO23
-  miso_pin: GPIO19
-
-output:
-  - platform: ledc
-    pin: GPIO32
-    id: lcd_backlight
-
-light:
-  - platform: monochromatic
-    output: lcd_backlight
-    name: "${friendly_name} Backlight"
-    id: backlight
-    restore_mode: ALWAYS_ON
-
-font:
-  - file: "fonts/Roboto-Regular.ttf"
-    id: meter_font
-    size: 15
-    glyphs:
-      [
-        " ",
-        "!",
-        "%",
-        "+",
-        "-",
-        ".",
-        "/",
-        "0",
-        "1",
-        "2",
-        "3",
-        "4",
-        "5",
-        "6",
-        "7",
-        "8",
-        "9",
-        "<",
-        ">",
-        "A",
-        "B",
-        "C",
-        "D",
-        "E",
-        "F",
-        "G",
-        "H",
-        "I",
-        "L",
-        "M",
-        "N",
-        "O",
-        "P",
-        "R",
-        "S",
-        "T",
-        "U",
-        "V",
-        "W",
-        "X",
-        "Y",
-        "Z",
-        "a",
-        "c",
-        "d",
-        "e",
-        "f",
-        "g",
-        "h",
-        "i",
-        "k",
-        "m",
-        "n",
-        "o",
-        "r",
-        "s",
-        "t",
-        "u",
-        "v",
-        "w",
-        "y",
-        "z",
-        "°",
-        "µ",
-        "Ω",
-      ]
-
-display:
-  - platform: ili9xxx
-    id: lcd
-    model: M5STACK
-    cs_pin: GPIO14
-    dc_pin: GPIO27
-    reset_pin: GPIO33
-    invert_colors: true
-    color_palette: 8BIT
-    rotation: 0
-    update_interval: 500ms
-    lambda: |-
-      owon_meter.render(it, id(meter_font));
-
-binary_sensor:
-  - platform: gpio
-    id: button_a
-    pin:
-      number: GPIO39
-      inverted: true
-    internal: true
-    on_press:
-      then:
-        - lambda: |-
-            owon_meter.previous_button();
-  - platform: gpio
-    id: button_b
-    pin:
-      number: GPIO38
-      inverted: true
-    internal: true
-    on_click:
-      - min_length: 50ms
-        max_length: 1500ms
-        then:
-          - logger.log:
-              level: INFO
-              format: "OWON short press: %s"
-              args: ["owon_meter.selected_button_name()"]
-          - ble_client.ble_write:
-              id: owon_ble_client
-              service_uuid: "0000fff0-0000-1000-8000-00805f9b34fb"
-              characteristic_uuid: "0000fff3-0000-1000-8000-00805f9b34fb"
-              value: !lambda |-
-                std::vector<uint8_t> data = {owon_meter.selected_button, 0x01};
-                return data;
-      - min_length: 1500ms
-        max_length: 5000ms
-        then:
-          - logger.log:
-              level: INFO
-              format: "OWON long press: %s"
-              args: ["owon_meter.selected_button_name()"]
-          - ble_client.ble_write:
-              id: owon_ble_client
-              service_uuid: "0000fff0-0000-1000-8000-00805f9b34fb"
-              characteristic_uuid: "0000fff3-0000-1000-8000-00805f9b34fb"
-              value: !lambda |-
-                uint8_t press_type = (owon_meter.selected_button == 1 || owon_meter.selected_button == 5) ? 0x01 : 0x00;
-                std::vector<uint8_t> data = {owon_meter.selected_button, press_type};
-                return data;
-  - platform: gpio
-    id: button_c
-    pin:
-      number: GPIO37
-      inverted: true
-    internal: true
-    on_press:
-      then:
-        - lambda: |-
-            owon_meter.next_button();
-
-  - platform: template
-    name: "${friendly_name} Connected"
-    lambda: |-
-      return owon_meter.connected;
-  - platform: template
-    name: "${friendly_name} Overload"
-    lambda: |-
-      return owon_meter.overload;
-  - platform: template
-    name: "${friendly_name} Low Battery"
-    lambda: |-
-      return owon_meter.low_battery;
-
-sensor:
-  - platform: ble_client
-    type: characteristic
-    ble_client_id: owon_ble_client
-    id: owon_notify_source
-    internal: true
-    service_uuid: "0000fff0-0000-1000-8000-00805f9b34fb"
-    characteristic_uuid: "0000fff4-0000-1000-8000-00805f9b34fb"
-    notify: true
-    update_interval: never
-    lambda: |-
-      owon_meter.handle_notify(x);
-      return owon_meter.value();
-
-  - platform: wifi_signal
-    name: "${friendly_name} WiFi Signal"
-    update_interval: 60s
-
-text_sensor:
-  - platform: template
-    name: "${friendly_name} Reading"
-    update_interval: 2s
-    lambda: |-
-      return owon_meter.reading_text();
-  - platform: template
-    name: "${friendly_name} Unit"
-    update_interval: 2s
-    lambda: |-
-      return std::string(owon_meter.scale()) + owon_meter.unit();
-  - platform: template
-    name: "${friendly_name} Mode"
-    update_interval: 2s
-    lambda: |-
-      return owon_meter.mode_text();

esphome/archive/owon-b35t-m5stack-core2.h

@@ -1,658 +0,0 @@
-/*
- * ESPHome helper for OWON B35T/B35T+ BLE meter on M5Stack Core 1.
- * Parser is based on the standalone Arduino sketch by Reaper7
- * (Beerware license, Revision 42) and Dean Cording's owonb35 notes.
- */
-#pragma once
-
-#include <cmath>
-#include <cstdint>
-#include <cstring>
-#include <string>
-#include <vector>
-#include "esp_heap_caps.h"
-#include "esp_system.h"
-#include "esphome/core/helpers.h"
-#include "esphome/components/i2c/i2c.h"
-#include "esphome/core/log.h"
-#include "esphome/components/display/display.h"
-
-namespace owon_b35t {
-
-using esphome::Color;
-using esphome::display::Display;
-
-static const char *const TAG = "owon_b35t";
-static const char *const POWER_TAG = "core2_power";
-static constexpr uint8_t AXP192_ADDR = 0x34;
-static esphome::i2c::I2CDevice axp192;
-static bool axp192_ready = false;
-
-static bool axp_write(uint8_t reg, uint8_t value) {
-  if (!axp192_ready) return false;
-  bool ok = axp192.write_byte(reg, value);
-  if (!ok) ESP_LOGW(POWER_TAG, "AXP192 write reg 0x%02X failed", reg);
-  return ok;
-}
-
-static bool axp_read(uint8_t reg, uint8_t *value) {
-  if (!axp192_ready) return false;
-  bool ok = axp192.read_byte(reg, value);
-  if (!ok) ESP_LOGW(POWER_TAG, "AXP192 read reg 0x%02X failed", reg);
-  return ok;
-}
-
-static void axp_update(uint8_t reg, uint8_t clear_mask, uint8_t set_mask) {
-  uint8_t value = 0;
-  if (!axp_read(reg, &value)) return;
-  value = (value & ~clear_mask) | set_mask;
-  axp_write(reg, value);
-}
-
-static uint8_t axp_dc_voltage_data(uint16_t millivolts) {
-  if (millivolts < 700) millivolts = 700;
-  if (millivolts > 3500) millivolts = 3500;
-  return static_cast<uint8_t>((millivolts - 700) / 25) & 0x7F;
-}
-
-static uint8_t axp_ldo_voltage_data(uint16_t millivolts) {
-  if (millivolts < 1800) millivolts = 1800;
-  if (millivolts > 3300) millivolts = 3300;
-  return static_cast<uint8_t>((millivolts - 1800) / 100) & 0x0F;
-}
-
-static void core2_axp192_set_lcd_voltage(uint16_t millivolts) {
-  uint8_t value = 0;
-  axp_read(0x27, &value);
-  axp_write(0x27, (value & 0x80) | axp_dc_voltage_data(millivolts));  // DCDC3, LCD backlight
-}
-
-static void core2_axp192_set_backlight(float brightness) {
-  if (brightness <= 0.0f) {
-    axp_update(0x12, 0x02, 0x00);  // DCDC3 off
-    return;
-  }
-  if (brightness > 1.0f) brightness = 1.0f;
-  uint16_t millivolts = static_cast<uint16_t>(2400 + brightness * 900);
-  core2_axp192_set_lcd_voltage(millivolts);
-  axp_update(0x12, 0x00, 0x02);  // DCDC3 on
-}
-
-static void core2_axp192_init(esphome::i2c::I2CBus *bus) {
-  axp192.set_i2c_bus(bus);
-  axp192.set_i2c_address(AXP192_ADDR);
-  axp192_ready = true;
-  ESP_LOGI(POWER_TAG, "Initializing M5Stack Core2 AXP192 LCD power");
-  axp_update(0x30, 0xF9, 0x02);  // Disable VBUS current limit, preserve bit 2.
-  axp_update(0x92, 0x07, 0x00);  // GPIO1 open-drain output.
-  axp_update(0x93, 0x07, 0x00);  // GPIO2 open-drain output.
-  axp_write(0x35, 0xA2);         // RTC battery charging.
-
-  uint8_t value = 0;
-  axp_read(0x26, &value);
-  axp_write(0x26, (value & 0x80) | axp_dc_voltage_data(3350));  // DCDC1 ESP32 VDD.
-  core2_axp192_set_lcd_voltage(2800);
-
-  uint8_t ldo2 = axp_ldo_voltage_data(3300);
-  uint8_t ldo3 = axp_ldo_voltage_data(2000);
-  axp_write(0x28, (ldo2 << 4) | ldo3);  // LDO2 LCD logic/SD, LDO3 vibrator.
-  axp_update(0x12, 0x00, 0x07);         // Enable DCDC1, DCDC3, LDO2.
-  axp_write(0x82, 0xFF);                // ADCs on.
-  axp_update(0x95, 0x8D, 0x84);         // GPIO4 setup, as M5Core2 library does.
-  axp_write(0x36, 0x4C);                // Power key timing.
-
-  // LCD reset through AXP192 GPIO4.
-  axp_update(0x96, 0x02, 0x00);
-  delay(100);
-  axp_update(0x96, 0x00, 0x02);
-  delay(100);
-
-  core2_axp192_set_backlight(1.0f);
-}
-
-static const uint8_t ACCU_BMP[32] = {
-    0b00000000, 0b00000000,
-    0b00000000, 0b00000000,
-    0b00000000, 0b00000000,
-    0b11111111, 0b11111110,
-    0b10000000, 0b00000010,
-    0b10000000, 0b00000011,
-    0b10000000, 0b00000011,
-    0b10000000, 0b00000011,
-    0b10000000, 0b00000011,
-    0b10000000, 0b00000011,
-    0b10000000, 0b00000011,
-    0b10000000, 0b00000010,
-    0b11111111, 0b11111110,
-    0b00000000, 0b00000000,
-    0b00000000, 0b00000000,
-    0b00000000, 0b00000000,
-};
-
-static const uint8_t BLE_BMP[32] = {
-    0b00000001, 0b10000000,
-    0b00000001, 0b11000000,
-    0b00010001, 0b01100000,
-    0b00011001, 0b00110000,
-    0b00001101, 0b00011000,
-    0b00000111, 0b00110000,
-    0b00000011, 0b01100000,
-    0b00000001, 0b11000000,
-    0b00000001, 0b11000000,
-    0b00000011, 0b01100000,
-    0b00000111, 0b00110000,
-    0b00001101, 0b00011000,
-    0b00011001, 0b00110000,
-    0b00010001, 0b01100000,
-    0b00000001, 0b11000000,
-    0b00000001, 0b10000000,
-};
-
-static const uint8_t DIODE_BMP[32] = {
-    0b00001000, 0b00011000,
-    0b00001100, 0b00011000,
-    0b00001110, 0b00011000,
-    0b00001111, 0b00011000,
-    0b00001111, 0b10011000,
-    0b00001111, 0b11011000,
-    0b00001111, 0b11111000,
-    0b11111111, 0b11111111,
-    0b11111111, 0b11111111,
-    0b00001111, 0b11111000,
-    0b00001111, 0b11011000,
-    0b00001111, 0b10011000,
-    0b00001111, 0b00011000,
-    0b00001110, 0b00011000,
-    0b00001100, 0b00011000,
-    0b00001000, 0b00011000,
-};
-
-static const uint8_t BUZZ_BMP[32] = {
-    0b00000000, 0b11000000,
-    0b00000001, 0b11000000,
-    0b00000011, 0b11000001,
-    0b00000111, 0b11000001,
-    0b00001111, 0b11000101,
-    0b11111111, 0b11000101,
-    0b11111111, 0b11010101,
-    0b11111111, 0b11010101,
-    0b11111111, 0b11010101,
-    0b11111111, 0b11010101,
-    0b11111111, 0b11000101,
-    0b00001111, 0b11000101,
-    0b00000111, 0b11000001,
-    0b00000011, 0b11000001,
-    0b00000001, 0b11000000,
-    0b00000000, 0b11000000,
-};
-
-class Meter {
- public:
-  static constexpr uint8_t REGPLUSMINUS = 0x00;
-  static constexpr uint8_t FLAGPLUS = 0b00101011;
-  static constexpr uint8_t FLAGMINUS = 0b00101101;
-  static constexpr uint8_t REGDIG1 = 0x01;
-  static constexpr uint8_t REGDIG2 = 0x02;
-  static constexpr uint8_t REGDIG3 = 0x03;
-  static constexpr uint8_t REGDIG4 = 0x04;
-  static constexpr uint8_t REGPOINT = 0x06;
-  static constexpr uint8_t FLAGPOINT0 = 0b00110000;
-  static constexpr uint8_t FLAGPOINT1 = 0b00110001;
-  static constexpr uint8_t FLAGPOINT2 = 0b00110010;
-  static constexpr uint8_t FLAGPOINT3 = 0b00110100;
-  static constexpr uint8_t REGMODE = 0x07;
-  static constexpr uint8_t FLAGMODEHOLD = 0b00000010;
-  static constexpr uint8_t FLAGMODEREL = 0b00000100;
-  static constexpr uint8_t FLAGMODEAC = 0b00001000;
-  static constexpr uint8_t FLAGMODEDC = 0b00010000;
-  static constexpr uint8_t FLAGMODEAUTO = 0b00100000;
-  static constexpr uint8_t REGMINMAX = 0x08;
-  static constexpr uint8_t FLAGMIN = 0b00010000;
-  static constexpr uint8_t FLAGMAX = 0b00100000;
-  static constexpr uint8_t REGSCALE = 0x09;
-  static constexpr uint8_t FLAGSCALEDUTY = 0b00000010;
-  static constexpr uint8_t FLAGSCALEDIODE = 0b00000100;
-  static constexpr uint8_t FLAGSCALEBUZZ = 0b00001000;
-  static constexpr uint8_t FLAGSCALEMEGA = 0b00010000;
-  static constexpr uint8_t FLAGSCALEKILO = 0b00100000;
-  static constexpr uint8_t FLAGSCALEMILLI = 0b01000000;
-  static constexpr uint8_t FLAGSCALEMICRO = 0b10000000;
-  static constexpr uint8_t REGUNIT = 0x0a;
-  static constexpr uint8_t FLAGUNITFAHR = 0b00000001;
-  static constexpr uint8_t FLAGUNITGRAD = 0b00000010;
-  static constexpr uint8_t FLAGUNITNF = 0b00000100;
-  static constexpr uint8_t FLAGUNITHZ = 0b00001000;
-  static constexpr uint8_t FLAGUNITHFE = 0b00010000;
-  static constexpr uint8_t FLAGUNITOHM = 0b00100000;
-  static constexpr uint8_t FLAGUNITAMP = 0b01000000;
-  static constexpr uint8_t FLAGUNITVOLT = 0b10000000;
-
-  bool connected{false};
-  bool write_available{false};
-  bool is_plus{false};
-  bool low_battery{false};
-  bool overload{false};
-  bool has_reading{false};
-  uint8_t selected_button{1};
-  uint32_t last_notify_ms{0};
-
-  bool handle_notify(const std::vector<uint8_t> &data) {
-    if (data.size() > sizeof(this->raw_))
-      return false;
-    if (data.size() == 6 && data[1] >= 0xF0) {
-      memset(this->raw_, 0, sizeof(this->raw_));
-      memcpy(this->raw_, data.data(), data.size());
-      this->is_plus = true;
-      this->parse_plus_();
-    } else if (data.size() == 14 && data[12] == 0x0D && data[13] == 0x0A) {
-      memset(this->value_, 0, sizeof(this->value_));
-      memcpy(this->value_, data.data(), data.size());
-      this->is_plus = false;
-    } else {
-      ESP_LOGW(TAG, "Ignoring unexpected OWON frame length=%u", static_cast<unsigned>(data.size()));
-      return false;
-    }
-
-    this->overload = memcmp(this->value_, OVERLOAD_FRAME, sizeof(OVERLOAD_FRAME)) == 0;
-    this->display_value = this->calc_display_value_();
-    this->base_value = this->calc_base_value_();
-    this->has_reading = true;
-    this->last_notify_ms = millis();
-    return true;
-  }
-
-  void on_connect() {
-    this->connected = true;
-    this->write_available = true;
-  }
-
-  void on_disconnect() {
-    this->connected = false;
-    this->write_available = false;
-  }
-
-  float value() const { return this->display_value; }
-  float value_base() const { return this->base_value; }
-  bool negative() const { return (this->value_[REGPLUSMINUS] & FLAGMINUS) == FLAGMINUS; }
-  bool auto_range() const { return (this->value_[REGMODE] & FLAGMODEAUTO) == FLAGMODEAUTO; }
-  bool hold() const { return (this->value_[REGMODE] & FLAGMODEHOLD) == FLAGMODEHOLD; }
-  bool relative() const { return (this->value_[REGMODE] & FLAGMODEREL) == FLAGMODEREL; }
-  bool ac() const { return (this->value_[REGMODE] & FLAGMODEAC) == FLAGMODEAC; }
-  bool dc() const { return (this->value_[REGMODE] & FLAGMODEDC) == FLAGMODEDC; }
-  bool min_mode() const { return (this->value_[REGMINMAX] & FLAGMIN) == FLAGMIN; }
-  bool max_mode() const { return (this->value_[REGMINMAX] & FLAGMAX) == FLAGMAX; }
-  bool diode() const { return (this->value_[REGSCALE] & FLAGSCALEDIODE) == FLAGSCALEDIODE; }
-  bool continuity() const { return (this->value_[REGSCALE] & FLAGSCALEBUZZ) == FLAGSCALEBUZZ; }
-
-  const char *unit() const {
-    switch (this->value_[REGUNIT]) {
-      case FLAGUNITFAHR: return "°F";
-      case FLAGUNITGRAD: return "°C";
-      case FLAGUNITNF: return "nF";
-      case FLAGUNITHZ: return "Hz";
-      case FLAGUNITHFE: return "hFE";
-      case FLAGUNITOHM: return "Ω";
-      case FLAGUNITAMP: return "A";
-      case FLAGUNITVOLT: return "V";
-      default: return "";
-    }
-  }
-
-  const char *scale() const {
-    if ((this->value_[REGSCALE] & FLAGSCALEDUTY) == FLAGSCALEDUTY) return "%";
-    if ((this->value_[REGSCALE] & FLAGSCALEMEGA) == FLAGSCALEMEGA) return "M";
-    if ((this->value_[REGSCALE] & FLAGSCALEKILO) == FLAGSCALEKILO) return "k";
-    if ((this->value_[REGSCALE] & FLAGSCALEMILLI) == FLAGSCALEMILLI) return "m";
-    if ((this->value_[REGSCALE] & FLAGSCALEMICRO) == FLAGSCALEMICRO) return "µ";
-    return "";
-  }
-
-  std::string mode_text() const {
-    std::string out;
-    if (this->dc()) out += "DC ";
-    if (this->ac()) out += "AC ";
-    if (this->auto_range()) out += "AUTO ";
-    if (this->hold()) out += "HOLD ";
-    if (this->relative()) out += "REL ";
-    if (this->min_mode()) out += "MIN ";
-    if (this->max_mode()) out += "MAX ";
-    if (this->diode()) out += "DIODE ";
-    if (this->continuity()) out += "CONT ";
-    if (!out.empty()) out.pop_back();
-    return out;
-  }
-
-  std::string reading_text() const {
-    if (!this->connected) return "Disconnected";
-    if (!this->has_reading) return "Waiting for data";
-    if (this->overload) return "OL " + std::string(this->scale()) + this->unit();
-    char buf[48];
-    snprintf(buf, sizeof(buf), "%s%.4g %s%s", this->negative() ? "-" : "", std::fabs(this->display_value), this->scale(), this->unit());
-    return std::string(buf);
-  }
-
-  enum Kind { KIND_OTHER, KIND_VOLTAGE, KIND_CURRENT, KIND_RESISTANCE, KIND_FREQUENCY, KIND_CAPACITANCE, KIND_TEMP_C, KIND_TEMP_F, KIND_DUTY };
-  Kind kind() const {
-    if ((this->value_[REGSCALE] & FLAGSCALEDUTY) == FLAGSCALEDUTY) return KIND_DUTY;
-    switch (this->value_[REGUNIT]) {
-      case FLAGUNITVOLT: return KIND_VOLTAGE;
-      case FLAGUNITAMP: return KIND_CURRENT;
-      case FLAGUNITOHM: return KIND_RESISTANCE;
-      case FLAGUNITHZ: return KIND_FREQUENCY;
-      case FLAGUNITNF: return KIND_CAPACITANCE;
-      case FLAGUNITGRAD: return KIND_TEMP_C;
-      case FLAGUNITFAHR: return KIND_TEMP_F;
-      default: return KIND_OTHER;
-    }
-  }
-
-  const char *selected_button_name() const {
-    static const char *const names[] = {"SELECT", "RANGE", "HLD/LIG", "REL/BT", "HZ/DUTY", "MAX/MIN"};
-    uint8_t index = this->selected_button;
-    if (index < 1) index = 1;
-    if (index > 6) index = 6;
-    return names[index - 1];
-  }
-
-  void previous_button() {
-    if (this->selected_button > 1) this->selected_button--;
-  }
-  void next_button() {
-    if (this->selected_button < 6) this->selected_button++;
-  }
-
-  void render(Display &it, esphome::display::BaseFont *font) {
-    const Color bg(0, 0, 0);
-    const Color fg(210, 210, 210);
-    // Chosen to map to a neutral dark gray in the RGB332 8-bit display palette.
-    const Color inactive(80, 80, 80);
-    const Color yellow(255, 220, 0);
-    const Color blue(0, 80, 255);
-    const Color cyan(0, 255, 255);
-    const Color magenta(255, 0, 255);
-    const Color red(255, 0, 0);
-    const Color green(0, 220, 0);
-    const Color orange(255, 165, 0);
-
-    it.fill(bg);
-    bool status_active = this->connected && this->has_reading;
-    this->draw_icon_(it, 12, 8, 16, 16, ACCU_BMP, status_active ? (this->low_battery ? red : green) : inactive);
-    this->draw_icon_(it, 46, 8, 16, 16, BLE_BMP, this->connected ? blue : inactive);
-    this->label_(it, font, 86, 8, "AUTO", status_active && this->auto_range() ? fg : inactive);
-    this->label_(it, font, 138, 8, "MAX", status_active && this->max_mode() ? red : inactive);
-    this->label_(it, font, 178, 8, "MIN", status_active && this->min_mode() ? green : inactive);
-    this->label_(it, font, 218, 8, "HOLD", status_active && this->hold() ? blue : inactive);
-    this->label_(it, font, 270, 8, "REL", status_active && this->relative() ? Color(128, 128, 0) : inactive);
-
-    this->label_(it, font, 8, 66, "DC", status_active && this->dc() ? cyan : inactive);
-    this->label_(it, font, 8, 102, "AC", status_active && this->ac() ? magenta : inactive);
-
-    if (!this->connected) {
-      this->draw_digits_(it, "----", false, inactive);
-      it.print(160, 148, font, inactive, esphome::display::TextAlign::CENTER, "scan/connect");
-    } else if (!this->has_reading) {
-      this->draw_digits_(it, "8888", false, inactive);
-      it.print(160, 148, font, inactive, esphome::display::TextAlign::CENTER, "waiting");
-    } else if (this->overload) {
-      this->draw_digits_(it, " OL ", false, fg);
-    } else {
-      char d[5];
-      d[0] = this->digit_char_(REGDIG1);
-      d[1] = this->digit_char_(REGDIG2);
-      d[2] = this->digit_char_(REGDIG3);
-      d[3] = this->digit_char_(REGDIG4);
-      d[4] = 0;
-      this->draw_digits_(it, d, this->negative(), fg);
-      this->draw_decimal_points_(it, fg);
-    }
-
-    if (status_active) {
-      std::string unit_line = std::string(this->scale()) + this->unit();
-      it.print(270, 140, font, yellow, esphome::display::TextAlign::CENTER, unit_line.c_str());
-    }
-
-    bool bargraph_active = status_active && !this->overload;
-    this->draw_bargraph_(it, bargraph_active ? this->digits_from_buffer_() : 0, bargraph_active);
-    this->draw_icon_(it, 300, 148, 16, 16, DIODE_BMP, status_active && this->diode() ? magenta : inactive);
-    this->draw_icon_(it, 300, 174, 16, 16, BUZZ_BMP, status_active && this->continuity() ? orange : inactive);
-
-    it.filled_rectangle(34, 212, 40, 24, this->write_available ? fg : inactive);
-    it.filled_rectangle(108, 212, 100, 24, this->write_available ? fg : inactive);
-    it.filled_rectangle(242, 212, 40, 24, this->write_available ? fg : inactive);
-    it.print(54, 216, font, bg, esphome::display::TextAlign::TOP_CENTER, "<");
-    it.print(158, 216, font, bg, esphome::display::TextAlign::TOP_CENTER, this->selected_button_name());
-    it.print(262, 216, font, bg, esphome::display::TextAlign::TOP_CENTER, ">");
-  }
-
- private:
-  uint8_t raw_[14]{};
-  uint8_t value_[14]{};
-  float display_value{NAN};
-  float base_value{NAN};
-  static constexpr uint8_t OVERLOAD_FRAME[5] = {0x2B, 0x3F, 0x30, 0x3A, 0x3F};
-
-  uint16_t digits_from_buffer_() const {
-    uint16_t out = 0;
-    if (this->value_[REGDIG1] >= '0' && this->value_[REGDIG1] <= '9') out += (this->value_[REGDIG1] - '0') * 1000;
-    if (this->value_[REGDIG2] >= '0' && this->value_[REGDIG2] <= '9') out += (this->value_[REGDIG2] - '0') * 100;
-    if (this->value_[REGDIG3] >= '0' && this->value_[REGDIG3] <= '9') out += (this->value_[REGDIG3] - '0') * 10;
-    if (this->value_[REGDIG4] >= '0' && this->value_[REGDIG4] <= '9') out += (this->value_[REGDIG4] - '0');
-    return out;
-  }
-
-  float calc_display_value_() const {
-    if (this->overload) return NAN;
-
-    if (this->is_plus) {
-      uint16_t pair1 = static_cast<uint16_t>(this->raw_[0]) | (static_cast<uint16_t>(this->raw_[1]) << 8);
-      uint8_t decimal = pair1 & 0x07;
-      if (decimal >= 7) return NAN;
-
-      uint16_t pair3 = static_cast<uint16_t>(this->raw_[4]) | (static_cast<uint16_t>(this->raw_[5]) << 8);
-      bool negative = pair3 >= 0x7FFF;
-      uint16_t digits = negative ? (pair3 & 0x7FFF) : pair3;
-      float v = static_cast<float>(digits) / std::pow(10.0f, decimal);
-      return negative ? -v : v;
-    }
-
-    uint8_t decimal = 0;
-    switch (this->value_[REGPOINT] & 0x07) {
-      case 0b001: decimal = 1; break;
-      case 0b010: decimal = 2; break;
-      case 0b100: decimal = 3; break;
-      default: break;
-    }
-    float v = static_cast<float>(this->digits_from_buffer_()) / std::pow(10.0f, decimal);
-    return this->negative() ? -v : v;
-  }
-
-  float calc_base_value_() const {
-    if (std::isnan(this->display_value)) return NAN;
-    if (this->value_[REGUNIT] == FLAGUNITNF) return this->display_value * 1e-9f;
-    if ((this->value_[REGSCALE] & FLAGSCALEMEGA) == FLAGSCALEMEGA) return this->display_value * 1e6f;
-    if ((this->value_[REGSCALE] & FLAGSCALEKILO) == FLAGSCALEKILO) return this->display_value * 1e3f;
-    if ((this->value_[REGSCALE] & FLAGSCALEMILLI) == FLAGSCALEMILLI) return this->display_value * 1e-3f;
-    if ((this->value_[REGSCALE] & FLAGSCALEMICRO) == FLAGSCALEMICRO) return this->display_value * 1e-6f;
-    return this->display_value;
-  }
-
-  void parse_plus_() {
-    memset(this->value_, 0, sizeof(this->value_));
-    this->value_[5] = 0x20;
-    this->value_[12] = 0x0D;
-    this->value_[13] = 0x0A;
-
-    uint16_t pair1 = static_cast<uint16_t>(this->raw_[0]) | (static_cast<uint16_t>(this->raw_[1]) << 8);
-    uint8_t function = (pair1 >> 6) & 0x0F;
-    uint8_t scale = (pair1 >> 3) & 0x07;
-    uint8_t decimal = pair1 & 0x07;
-
-    switch (decimal) {
-      case 0: this->value_[REGPOINT] = FLAGPOINT0; break;
-      case 1: this->value_[REGPOINT] = FLAGPOINT3; break;
-      case 2: this->value_[REGPOINT] = FLAGPOINT2; break;
-      case 3: this->value_[REGPOINT] = FLAGPOINT1; break;
-      default: break;
-    }
-
-    switch (function) {
-      case 0: this->value_[REGUNIT] |= FLAGUNITVOLT; this->value_[REGMODE] |= FLAGMODEDC; break;
-      case 1: this->value_[REGUNIT] |= FLAGUNITVOLT; this->value_[REGMODE] |= FLAGMODEAC; break;
-      case 2: this->value_[REGUNIT] |= FLAGUNITAMP; this->value_[REGMODE] |= FLAGMODEDC; break;
-      case 3: this->value_[REGUNIT] |= FLAGUNITAMP; this->value_[REGMODE] |= FLAGMODEAC; break;
-      case 4: this->value_[REGUNIT] |= FLAGUNITOHM; break;
-      case 5: this->value_[REGUNIT] |= FLAGUNITNF; break;
-      case 6: this->value_[REGUNIT] |= FLAGUNITHZ; break;
-      case 7: this->value_[REGSCALE] |= FLAGSCALEDUTY; break;
-      case 8: this->value_[REGUNIT] |= FLAGUNITGRAD; break;
-      case 9: this->value_[REGUNIT] |= FLAGUNITFAHR; break;
-      case 10: this->value_[REGSCALE] |= FLAGSCALEDIODE; break;
-      case 11: this->value_[REGSCALE] |= FLAGSCALEBUZZ; break;
-      case 12: this->value_[REGUNIT] |= FLAGUNITHFE; break;
-      default: break;
-    }
-
-    switch (scale) {
-      case 2: this->value_[REGSCALE] |= FLAGSCALEMICRO; break;
-      case 3: this->value_[REGSCALE] |= FLAGSCALEMILLI; break;
-      case 5: this->value_[REGSCALE] |= FLAGSCALEKILO; break;
-      case 6: this->value_[REGSCALE] |= FLAGSCALEMEGA; break;
-      default: break;
-    }
-
-    uint16_t pair2 = static_cast<uint16_t>(this->raw_[2]) | (static_cast<uint16_t>(this->raw_[3]) << 8);
-    if (pair2 & (1 << 0)) this->value_[REGMODE] |= FLAGMODEHOLD;
-    if (pair2 & (1 << 1)) this->value_[REGMODE] |= FLAGMODEREL;
-    if (pair2 & (1 << 2)) this->value_[REGMODE] |= FLAGMODEAUTO;
-    this->low_battery = (pair2 & (1 << 3)) != 0;
-    if (pair2 & (1 << 4)) this->value_[REGMINMAX] |= FLAGMIN;
-    if (pair2 & (1 << 5)) this->value_[REGMINMAX] |= FLAGMAX;
-
-    uint16_t pair3 = static_cast<uint16_t>(this->raw_[4]) | (static_cast<uint16_t>(this->raw_[5]) << 8);
-    if (decimal < 7) {
-      uint16_t digits = pair3;
-      if (pair3 < 0x7FFF) {
-        this->value_[REGPLUSMINUS] = FLAGPLUS;
-      } else {
-        this->value_[REGPLUSMINUS] = FLAGMINUS;
-        digits = pair3 & 0x7FFF;
-      }
-      this->value_[REGDIG1] = '0' + ((digits / 1000) % 10);
-      this->value_[REGDIG2] = '0' + ((digits / 100) % 10);
-      this->value_[REGDIG3] = '0' + ((digits / 10) % 10);
-      this->value_[REGDIG4] = '0' + (digits % 10);
-    } else {
-      memcpy(this->value_, OVERLOAD_FRAME, sizeof(OVERLOAD_FRAME));
-    }
-  }
-
-  char digit_char_(uint8_t reg) const {
-    uint8_t c = this->value_[reg];
-    return (c >= '0' && c <= '9') ? static_cast<char>(c) : ' ';
-  }
-
-  void label_(Display &it, esphome::display::BaseFont *font, int x, int y, const char *text, Color color) {
-    it.print(x, y, font, color, esphome::display::TextAlign::TOP_LEFT, text);
-  }
-
-  void draw_digits_(Display &it, const char *text, bool negative, Color color) {
-    if (negative) this->draw_segment_(it, 8, 88, 26, 9, true, color);
-    constexpr int digit_x = 40;
-    constexpr int digit_y = 35;
-    constexpr int digit_w = 50;
-    constexpr int digit_h = 88;
-    constexpr int digit_distance = 64;
-    for (int i = 0; i < 4; i++) {
-      this->draw_seven_segment_(it, digit_x + i * digit_distance, digit_y, digit_w, digit_h, text[i], color);
-    }
-  }
-
-  void draw_decimal_points_(Display &it, Color color) {
-    uint8_t p = this->value_[REGPOINT];
-    if ((p & FLAGPOINT1) == FLAGPOINT1) it.filled_rectangle(95, 117, 8, 10, color);
-    if ((p & FLAGPOINT2) == FLAGPOINT2) it.filled_rectangle(159, 117, 8, 10, color);
-    if ((p & FLAGPOINT3) == FLAGPOINT3) it.filled_rectangle(223, 117, 8, 10, color);
-  }
-
-  void draw_segment_(Display &it, int x, int y, int w, int h, bool horizontal, Color color) {
-    if (horizontal) {
-      int cap = h / 2;
-      it.filled_rectangle(x + cap, y, w - 2 * cap, h +1, color);
-      it.filled_triangle(x, y + cap, x + cap, y, x + cap, y + h, color);
-      it.filled_triangle(x + w, y + cap, x + w - cap, y, x + w - cap, y + h, color);
-    } else {
-      int cap = w / 2;
-      it.filled_rectangle(x, y + cap, w +1, h - 2 * cap, color);
-      it.filled_triangle(x + cap, y, x, y + cap, x + w, y + cap, color);
-      it.filled_triangle(x + cap, y + h, x, y + h - cap, x + w, y + h - cap, color);
-    }
-  }
-
-  void draw_icon_(Display &it, int x, int y, int w, int h, const uint8_t *data, Color color) {
-    for (int row = 0; row < h; row++) {
-      for (int col = 0; col < w; col++) {
-        uint8_t byte = data[row * ((w + 7) / 8) + (col / 8)];
-        if ((byte & (0x80 >> (col % 8))) != 0) {
-          it.draw_pixel_at(x + col, y + row, color);
-        }
-      }
-    }
-  }
-
-  void draw_seven_segment_(Display &it, int x, int y, int w, int h, char ch, Color color) {
-    bool a=false,b=false,c=false,d=false,e=false,f=false,g=false;
-    switch (ch) {
-      case '0': a=b=c=d=e=f=true; break;
-      case '1': b=c=true; break;
-      case '2': a=b=d=e=g=true; break;
-      case '3': a=b=c=d=g=true; break;
-      case '4': b=c=f=g=true; break;
-      case '5': a=c=d=f=g=true; break;
-      case '6': a=c=d=e=f=g=true; break;
-      case '7': a=b=c=true; break;
-      case '8': a=b=c=d=e=f=g=true; break;
-      case '9': a=b=c=d=f=g=true; break;
-      case 'O': a=b=c=d=e=f=true; break;
-      case 'L': d=e=f=true; break;
-      case '-': g=true; break;
-      default: break;
-    }
-    int t = 10;
-    int half = h / 2;
-    int gap = 1;
-
-    int top_y = y;
-    int mid_y = y + half - t / 2;
-    int bot_y = y + h - t;
-
-    int upper_v_y = top_y + t + gap;
-    int upper_v_h = mid_y - gap - upper_v_y;
-    int lower_v_y = mid_y + t + gap;
-    int lower_v_h = bot_y - gap - lower_v_y;
-
-    if (a) this->draw_segment_(it, x + t / 2, top_y, w - t, t, true, color);
-    if (b && upper_v_h > 0) this->draw_segment_(it, x + w - t, upper_v_y, t, upper_v_h, false, color);
-    if (c && lower_v_h > 0) this->draw_segment_(it, x + w - t, lower_v_y, t, lower_v_h, false, color);
-    if (d) this->draw_segment_(it, x + t / 2, bot_y, w - t, t, true, color);
-    if (e && lower_v_h > 0) this->draw_segment_(it, x, lower_v_y, t, lower_v_h, false, color);
-    if (f && upper_v_h > 0) this->draw_segment_(it, x, upper_v_y, t, upper_v_h, false, color);
-    if (g) this->draw_segment_(it, x + t / 2, mid_y, w - t, t, true, color);
-  }
-
-  void draw_bargraph_(Display &it, uint16_t digits, bool active) {
-    const Color fg(255, 255, 255);
-    const Color inactive(80, 80, 80);
-    uint16_t mapped = active ? static_cast<uint16_t>(digits * 240 / 6000) : 0;
-    if (mapped > 240) mapped = 240;
-    for (uint16_t i = 0; i <= 240; i += 4) {
-      Color col = (active && i <= mapped) ? fg : inactive;
-      int h = (i % 40 == 0) ? 20 : ((i % 20 == 0) ? 15 : 10);
-      it.vertical_line(40 + i, 185 - h, h, col);
-    }
-    it.horizontal_line(35, 185, 250, inactive);
-  }
-};
-
-}  // namespace owon_b35t
-
-static owon_b35t::Meter owon_meter;

esphome/archive/owon-b35t-m5stack-core2.yaml

@@ -1,316 +0,0 @@
-# Derived work based on https://github.com/reaper7/M5Stack_BLE_client_Owon_B35T by reaper7.
-# AI (ChatGPT) has been used to adopt the Arduino sketch to ESPHome.
-# Ported to M5Stack Core2 due to memory constraints.
-
-substitutions:
-  name: "owon-b35t-m5stack-core2"
-  friendly_name: "OWON B35T Multimeter Core2"
-  device_description: "M5Stack Core2 BLE client for OWON B35T/B35T+ multimeter with local graphical display"
-  owon_mac_address: !secret owon_b35t_mac_address
-
-esphome:
-  name: ${name}
-  friendly_name: ${friendly_name}
-  comment: ${device_description}
-  min_version: 2024.6.0
-  includes:
-    - owon-b35t-m5stack-core2.h
-  on_boot:
-    priority: 850
-    then:
-      - lambda: |-
-          owon_b35t::core2_axp192_init(id(core2_i2c));
-  project:
-    name: "custom.owon-b35t-m5stack-core2"
-    version: "1.0"
-
-esp32:
-  board: m5stack-core2
-  flash_size: 16MB
-  framework:
-    type: esp-idf
-    advanced:
-      minimum_chip_revision: "3.1"
-      sram1_as_iram: true
-
-psram:
-  mode: quad
-  speed: 80MHz
-
-logger:
-  level: INFO
-
-api:
-  encryption:
-    key: !secret apikey
-
-ota:
-  platform: esphome
-  password: !secret ota
-
-wifi:
-  ssid: "Voltage-legacy"
-  password: !secret voltage_legacy_psk
-  #use_address: ${name}.home
-  power_save_mode: none
-  fast_connect: on
-  min_auth_mode: WPA2
-  ap:
-    ssid: "OWON B35T Fallback Hotspot"
-    password: !secret fallback_psk
-
-captive_portal:
-
-interval:
-  - interval: 10s
-    then:
-      - lambda: |-
-          ESP_LOGI("mem", "heap free=%u min_free=%u internal_free=%u internal_largest=%u dma_free=%u dma_largest=%u psram_free=%u psram_largest=%u",
-                   static_cast<unsigned>(esp_get_free_heap_size()),
-                   static_cast<unsigned>(esp_get_minimum_free_heap_size()),
-                   static_cast<unsigned>(heap_caps_get_free_size(MALLOC_CAP_INTERNAL)),
-                   static_cast<unsigned>(heap_caps_get_largest_free_block(MALLOC_CAP_INTERNAL)),
-                   static_cast<unsigned>(heap_caps_get_free_size(MALLOC_CAP_DMA)),
-                   static_cast<unsigned>(heap_caps_get_largest_free_block(MALLOC_CAP_DMA)),
-                   static_cast<unsigned>(heap_caps_get_free_size(MALLOC_CAP_SPIRAM)),
-                   static_cast<unsigned>(heap_caps_get_largest_free_block(MALLOC_CAP_SPIRAM)));
-
-esp32_ble_tracker:
-  scan_parameters:
-    active: true
-    continuous: true
-
-ble_client:
-  - mac_address: ${owon_mac_address}
-    id: owon_ble_client
-    on_connect:
-      then:
-        - lambda: |-
-            owon_meter.on_connect();
-    on_disconnect:
-      then:
-        - lambda: |-
-            owon_meter.on_disconnect();
-
-spi:
-  clk_pin: GPIO18
-  mosi_pin: GPIO23
-
-i2c:
-  id: core2_i2c
-  sda: GPIO21
-  scl: GPIO22
-  scan: true
-
-output:
-  - platform: template
-    type: float
-    id: lcd_backlight
-    write_action:
-      - lambda: |-
-          owon_b35t::core2_axp192_set_backlight(state);
-
-light:
-  - platform: monochromatic
-    output: lcd_backlight
-    name: "${friendly_name} Backlight"
-    id: backlight
-    restore_mode: ALWAYS_ON
-
-font:
-  - file: "fonts/Roboto-Regular.ttf"
-    id: meter_font
-    size: 15
-    glyphs:
-      [
-        " ",
-        "!",
-        "%",
-        "+",
-        "-",
-        ".",
-        "/",
-        "0",
-        "1",
-        "2",
-        "3",
-        "4",
-        "5",
-        "6",
-        "7",
-        "8",
-        "9",
-        "<",
-        ">",
-        "A",
-        "B",
-        "C",
-        "D",
-        "E",
-        "F",
-        "G",
-        "H",
-        "I",
-        "L",
-        "M",
-        "N",
-        "O",
-        "P",
-        "R",
-        "S",
-        "T",
-        "U",
-        "V",
-        "W",
-        "X",
-        "Y",
-        "Z",
-        "a",
-        "c",
-        "d",
-        "e",
-        "f",
-        "g",
-        "h",
-        "i",
-        "k",
-        "m",
-        "n",
-        "o",
-        "r",
-        "s",
-        "t",
-        "u",
-        "v",
-        "w",
-        "y",
-        "z",
-        "°",
-        "µ",
-        "Ω",
-      ]
-
-display:
-  - platform: mipi_spi
-    id: lcd
-    model: M5CORE2
-    update_interval: 500ms
-    lambda: |-
-      owon_meter.render(it, id(meter_font));
-
-touchscreen:
-  - platform: ft63x6
-    id: touch
-    display: lcd
-
-binary_sensor:
-  - platform: touchscreen
-    id: button_a
-    touchscreen_id: touch
-    x_min: 34
-    x_max: 74
-    y_min: 212
-    y_max: 240
-    internal: true
-    on_press:
-      then:
-        - lambda: |-
-            owon_meter.previous_button();
-  - platform: touchscreen
-    id: button_b
-    touchscreen_id: touch
-    x_min: 108
-    x_max: 208
-    y_min: 212
-    y_max: 240
-    internal: true
-    on_click:
-      - min_length: 50ms
-        max_length: 1500ms
-        then:
-          - logger.log:
-              level: INFO
-              format: "OWON short press: %s"
-              args: ["owon_meter.selected_button_name()"]
-          - ble_client.ble_write:
-              id: owon_ble_client
-              service_uuid: "0000fff0-0000-1000-8000-00805f9b34fb"
-              characteristic_uuid: "0000fff3-0000-1000-8000-00805f9b34fb"
-              value: !lambda |-
-                std::vector<uint8_t> data = {owon_meter.selected_button, 0x01};
-                return data;
-      - min_length: 1500ms
-        max_length: 5000ms
-        then:
-          - logger.log:
-              level: INFO
-              format: "OWON long press: %s"
-              args: ["owon_meter.selected_button_name()"]
-          - ble_client.ble_write:
-              id: owon_ble_client
-              service_uuid: "0000fff0-0000-1000-8000-00805f9b34fb"
-              characteristic_uuid: "0000fff3-0000-1000-8000-00805f9b34fb"
-              value: !lambda |-
-                uint8_t press_type = (owon_meter.selected_button == 1 || owon_meter.selected_button == 5) ? 0x01 : 0x00;
-                std::vector<uint8_t> data = {owon_meter.selected_button, press_type};
-                return data;
-  - platform: touchscreen
-    id: button_c
-    touchscreen_id: touch
-    x_min: 242
-    x_max: 282
-    y_min: 212
-    y_max: 240
-    internal: true
-    on_press:
-      then:
-        - lambda: |-
-            owon_meter.next_button();
-
-  - platform: template
-    name: "${friendly_name} Connected"
-    lambda: |-
-      return owon_meter.connected;
-  - platform: template
-    name: "${friendly_name} Overload"
-    lambda: |-
-      return owon_meter.overload;
-  - platform: template
-    name: "${friendly_name} Low Battery"
-    lambda: |-
-      return owon_meter.low_battery;
-
-sensor:
-  - platform: ble_client
-    type: characteristic
-    ble_client_id: owon_ble_client
-    id: owon_notify_source
-    internal: true
-    service_uuid: "0000fff0-0000-1000-8000-00805f9b34fb"
-    characteristic_uuid: "0000fff4-0000-1000-8000-00805f9b34fb"
-    notify: true
-    update_interval: never
-    lambda: |-
-      owon_meter.handle_notify(x);
-      return owon_meter.value();
-
-  - platform: wifi_signal
-    name: "${friendly_name} WiFi Signal"
-    update_interval: 60s
-
-text_sensor:
-  - platform: template
-    name: "${friendly_name} Reading"
-    update_interval: 1s
-    lambda: |-
-      return owon_meter.reading_text();
-  - platform: template
-    name: "${friendly_name} Unit"
-    update_interval: 1s
-    lambda: |-
-      return std::string(owon_meter.scale()) + owon_meter.unit();
-  - platform: template
-    name: "${friendly_name} Mode"
-    update_interval: 1s
-    lambda: |-
-      return owon_meter.mode_text();

esphome/archive/owon_b35t-m5stack-core1.h

@@ -1,567 +0,0 @@
-/*
- * ESPHome helper for OWON B35T/B35T+ BLE meter on M5Stack Core 1.
- * Parser is based on the standalone Arduino sketch by Reaper7
- * (Beerware license, Revision 42) and Dean Cording's owonb35 notes.
- */
-#pragma once
-
-#include <cmath>
-#include <cstdint>
-#include <cstring>
-#include <string>
-#include <vector>
-#include "esp_heap_caps.h"
-#include "esp_system.h"
-#include "esphome/core/helpers.h"
-#include "esphome/core/log.h"
-#include "esphome/components/display/display.h"
-
-namespace owon_b35t {
-
-using esphome::Color;
-using esphome::display::Display;
-
-static const char *const TAG = "owon_b35t";
-
-static const uint8_t ACCU_BMP[32] = {
-    0b00000000, 0b00000000,
-    0b00000000, 0b00000000,
-    0b00000000, 0b00000000,
-    0b11111111, 0b11111110,
-    0b10000000, 0b00000010,
-    0b10000000, 0b00000011,
-    0b10000000, 0b00000011,
-    0b10000000, 0b00000011,
-    0b10000000, 0b00000011,
-    0b10000000, 0b00000011,
-    0b10000000, 0b00000011,
-    0b10000000, 0b00000010,
-    0b11111111, 0b11111110,
-    0b00000000, 0b00000000,
-    0b00000000, 0b00000000,
-    0b00000000, 0b00000000,
-};
-
-static const uint8_t BLE_BMP[32] = {
-    0b00000001, 0b10000000,
-    0b00000001, 0b11000000,
-    0b00010001, 0b01100000,
-    0b00011001, 0b00110000,
-    0b00001101, 0b00011000,
-    0b00000111, 0b00110000,
-    0b00000011, 0b01100000,
-    0b00000001, 0b11000000,
-    0b00000001, 0b11000000,
-    0b00000011, 0b01100000,
-    0b00000111, 0b00110000,
-    0b00001101, 0b00011000,
-    0b00011001, 0b00110000,
-    0b00010001, 0b01100000,
-    0b00000001, 0b11000000,
-    0b00000001, 0b10000000,
-};
-
-static const uint8_t DIODE_BMP[32] = {
-    0b00001000, 0b00011000,
-    0b00001100, 0b00011000,
-    0b00001110, 0b00011000,
-    0b00001111, 0b00011000,
-    0b00001111, 0b10011000,
-    0b00001111, 0b11011000,
-    0b00001111, 0b11111000,
-    0b11111111, 0b11111111,
-    0b11111111, 0b11111111,
-    0b00001111, 0b11111000,
-    0b00001111, 0b11011000,
-    0b00001111, 0b10011000,
-    0b00001111, 0b00011000,
-    0b00001110, 0b00011000,
-    0b00001100, 0b00011000,
-    0b00001000, 0b00011000,
-};
-
-static const uint8_t BUZZ_BMP[32] = {
-    0b00000000, 0b11000000,
-    0b00000001, 0b11000000,
-    0b00000011, 0b11000001,
-    0b00000111, 0b11000001,
-    0b00001111, 0b11000101,
-    0b11111111, 0b11000101,
-    0b11111111, 0b11010101,
-    0b11111111, 0b11010101,
-    0b11111111, 0b11010101,
-    0b11111111, 0b11010101,
-    0b11111111, 0b11000101,
-    0b00001111, 0b11000101,
-    0b00000111, 0b11000001,
-    0b00000011, 0b11000001,
-    0b00000001, 0b11000000,
-    0b00000000, 0b11000000,
-};
-
-class Meter {
- public:
-  static constexpr uint8_t REGPLUSMINUS = 0x00;
-  static constexpr uint8_t FLAGPLUS = 0b00101011;
-  static constexpr uint8_t FLAGMINUS = 0b00101101;
-  static constexpr uint8_t REGDIG1 = 0x01;
-  static constexpr uint8_t REGDIG2 = 0x02;
-  static constexpr uint8_t REGDIG3 = 0x03;
-  static constexpr uint8_t REGDIG4 = 0x04;
-  static constexpr uint8_t REGPOINT = 0x06;
-  static constexpr uint8_t FLAGPOINT0 = 0b00110000;
-  static constexpr uint8_t FLAGPOINT1 = 0b00110001;
-  static constexpr uint8_t FLAGPOINT2 = 0b00110010;
-  static constexpr uint8_t FLAGPOINT3 = 0b00110100;
-  static constexpr uint8_t REGMODE = 0x07;
-  static constexpr uint8_t FLAGMODEHOLD = 0b00000010;
-  static constexpr uint8_t FLAGMODEREL = 0b00000100;
-  static constexpr uint8_t FLAGMODEAC = 0b00001000;
-  static constexpr uint8_t FLAGMODEDC = 0b00010000;
-  static constexpr uint8_t FLAGMODEAUTO = 0b00100000;
-  static constexpr uint8_t REGMINMAX = 0x08;
-  static constexpr uint8_t FLAGMIN = 0b00010000;
-  static constexpr uint8_t FLAGMAX = 0b00100000;
-  static constexpr uint8_t REGSCALE = 0x09;
-  static constexpr uint8_t FLAGSCALEDUTY = 0b00000010;
-  static constexpr uint8_t FLAGSCALEDIODE = 0b00000100;
-  static constexpr uint8_t FLAGSCALEBUZZ = 0b00001000;
-  static constexpr uint8_t FLAGSCALEMEGA = 0b00010000;
-  static constexpr uint8_t FLAGSCALEKILO = 0b00100000;
-  static constexpr uint8_t FLAGSCALEMILLI = 0b01000000;
-  static constexpr uint8_t FLAGSCALEMICRO = 0b10000000;
-  static constexpr uint8_t REGUNIT = 0x0a;
-  static constexpr uint8_t FLAGUNITFAHR = 0b00000001;
-  static constexpr uint8_t FLAGUNITGRAD = 0b00000010;
-  static constexpr uint8_t FLAGUNITNF = 0b00000100;
-  static constexpr uint8_t FLAGUNITHZ = 0b00001000;
-  static constexpr uint8_t FLAGUNITHFE = 0b00010000;
-  static constexpr uint8_t FLAGUNITOHM = 0b00100000;
-  static constexpr uint8_t FLAGUNITAMP = 0b01000000;
-  static constexpr uint8_t FLAGUNITVOLT = 0b10000000;
-
-  bool connected{false};
-  bool write_available{false};
-  bool is_plus{false};
-  bool low_battery{false};
-  bool overload{false};
-  bool has_reading{false};
-  uint8_t selected_button{1};
-  uint32_t last_notify_ms{0};
-
-  bool handle_notify(const std::vector<uint8_t> &data) {
-    if (data.size() > sizeof(this->raw_))
-      return false;
-    if (data.size() == 6 && data[1] >= 0xF0) {
-      memset(this->raw_, 0, sizeof(this->raw_));
-      memcpy(this->raw_, data.data(), data.size());
-      this->is_plus = true;
-      this->parse_plus_();
-    } else if (data.size() == 14 && data[12] == 0x0D && data[13] == 0x0A) {
-      memset(this->value_, 0, sizeof(this->value_));
-      memcpy(this->value_, data.data(), data.size());
-      this->is_plus = false;
-    } else {
-      ESP_LOGW(TAG, "Ignoring unexpected OWON frame length=%u", static_cast<unsigned>(data.size()));
-      return false;
-    }
-
-    this->overload = memcmp(this->value_, OVERLOAD_FRAME, sizeof(OVERLOAD_FRAME)) == 0;
-    this->display_value = this->calc_display_value_();
-    this->base_value = this->calc_base_value_();
-    this->has_reading = true;
-    this->last_notify_ms = millis();
-    return true;
-  }
-
-  void on_connect() {
-    this->connected = true;
-    this->write_available = true;
-  }
-
-  void on_disconnect() {
-    this->connected = false;
-    this->write_available = false;
-  }
-
-  float value() const { return this->display_value; }
-  float value_base() const { return this->base_value; }
-  bool negative() const { return (this->value_[REGPLUSMINUS] & FLAGMINUS) == FLAGMINUS; }
-  bool auto_range() const { return (this->value_[REGMODE] & FLAGMODEAUTO) == FLAGMODEAUTO; }
-  bool hold() const { return (this->value_[REGMODE] & FLAGMODEHOLD) == FLAGMODEHOLD; }
-  bool relative() const { return (this->value_[REGMODE] & FLAGMODEREL) == FLAGMODEREL; }
-  bool ac() const { return (this->value_[REGMODE] & FLAGMODEAC) == FLAGMODEAC; }
-  bool dc() const { return (this->value_[REGMODE] & FLAGMODEDC) == FLAGMODEDC; }
-  bool min_mode() const { return (this->value_[REGMINMAX] & FLAGMIN) == FLAGMIN; }
-  bool max_mode() const { return (this->value_[REGMINMAX] & FLAGMAX) == FLAGMAX; }
-  bool diode() const { return (this->value_[REGSCALE] & FLAGSCALEDIODE) == FLAGSCALEDIODE; }
-  bool continuity() const { return (this->value_[REGSCALE] & FLAGSCALEBUZZ) == FLAGSCALEBUZZ; }
-
-  const char *unit() const {
-    switch (this->value_[REGUNIT]) {
-      case FLAGUNITFAHR: return "°F";
-      case FLAGUNITGRAD: return "°C";
-      case FLAGUNITNF: return "nF";
-      case FLAGUNITHZ: return "Hz";
-      case FLAGUNITHFE: return "hFE";
-      case FLAGUNITOHM: return "Ω";
-      case FLAGUNITAMP: return "A";
-      case FLAGUNITVOLT: return "V";
-      default: return "";
-    }
-  }
-
-  const char *scale() const {
-    if ((this->value_[REGSCALE] & FLAGSCALEDUTY) == FLAGSCALEDUTY) return "%";
-    if ((this->value_[REGSCALE] & FLAGSCALEMEGA) == FLAGSCALEMEGA) return "M";
-    if ((this->value_[REGSCALE] & FLAGSCALEKILO) == FLAGSCALEKILO) return "k";
-    if ((this->value_[REGSCALE] & FLAGSCALEMILLI) == FLAGSCALEMILLI) return "m";
-    if ((this->value_[REGSCALE] & FLAGSCALEMICRO) == FLAGSCALEMICRO) return "µ";
-    return "";
-  }
-
-  std::string mode_text() const {
-    std::string out;
-    if (this->dc()) out += "DC ";
-    if (this->ac()) out += "AC ";
-    if (this->auto_range()) out += "AUTO ";
-    if (this->hold()) out += "HOLD ";
-    if (this->relative()) out += "REL ";
-    if (this->min_mode()) out += "MIN ";
-    if (this->max_mode()) out += "MAX ";
-    if (this->diode()) out += "DIODE ";
-    if (this->continuity()) out += "CONT ";
-    if (!out.empty()) out.pop_back();
-    return out;
-  }
-
-  std::string reading_text() const {
-    if (!this->connected) return "Disconnected";
-    if (!this->has_reading) return "Waiting for data";
-    if (this->overload) return "OL " + std::string(this->scale()) + this->unit();
-    char buf[48];
-    snprintf(buf, sizeof(buf), "%s%.4g %s%s", this->negative() ? "-" : "", std::fabs(this->display_value), this->scale(), this->unit());
-    return std::string(buf);
-  }
-
-  enum Kind { KIND_OTHER, KIND_VOLTAGE, KIND_CURRENT, KIND_RESISTANCE, KIND_FREQUENCY, KIND_CAPACITANCE, KIND_TEMP_C, KIND_TEMP_F, KIND_DUTY };
-  Kind kind() const {
-    if ((this->value_[REGSCALE] & FLAGSCALEDUTY) == FLAGSCALEDUTY) return KIND_DUTY;
-    switch (this->value_[REGUNIT]) {
-      case FLAGUNITVOLT: return KIND_VOLTAGE;
-      case FLAGUNITAMP: return KIND_CURRENT;
-      case FLAGUNITOHM: return KIND_RESISTANCE;
-      case FLAGUNITHZ: return KIND_FREQUENCY;
-      case FLAGUNITNF: return KIND_CAPACITANCE;
-      case FLAGUNITGRAD: return KIND_TEMP_C;
-      case FLAGUNITFAHR: return KIND_TEMP_F;
-      default: return KIND_OTHER;
-    }
-  }
-
-  const char *selected_button_name() const {
-    static const char *const names[] = {"SELECT", "RANGE", "HLD/LIG", "REL/BT", "HZ/DUTY", "MAX/MIN"};
-    uint8_t index = this->selected_button;
-    if (index < 1) index = 1;
-    if (index > 6) index = 6;
-    return names[index - 1];
-  }
-
-  void previous_button() {
-    if (this->selected_button > 1) this->selected_button--;
-  }
-  void next_button() {
-    if (this->selected_button < 6) this->selected_button++;
-  }
-
-  void render(Display &it, esphome::display::BaseFont *font) {
-    const Color bg(0, 0, 0);
-    const Color fg(210, 210, 210);
-    // Chosen to map to a neutral dark gray in the RGB332 8-bit display palette.
-    const Color inactive(80, 80, 80);
-    const Color yellow(255, 220, 0);
-    const Color blue(0, 80, 255);
-    const Color cyan(0, 255, 255);
-    const Color magenta(255, 0, 255);
-    const Color red(255, 0, 0);
-    const Color green(0, 220, 0);
-    const Color orange(255, 165, 0);
-
-    it.fill(bg);
-    this->draw_icon_(it, 12, 8, 16, 16, ACCU_BMP, this->low_battery ? red : green);
-    this->draw_icon_(it, 46, 8, 16, 16, BLE_BMP, this->connected ? blue : inactive);
-    this->label_(it, font, 86, 8, "AUTO", this->auto_range() ? fg : inactive);
-    this->label_(it, font, 138, 8, "MAX", this->max_mode() ? red : inactive);
-    this->label_(it, font, 178, 8, "MIN", this->min_mode() ? green : inactive);
-    this->label_(it, font, 218, 8, "HOLD", this->hold() ? blue : inactive);
-    this->label_(it, font, 270, 8, "REL", this->relative() ? Color(128, 128, 0) : inactive);
-
-    this->label_(it, font, 8, 66, "DC", this->dc() ? cyan : inactive);
-    this->label_(it, font, 8, 102, "AC", this->ac() ? magenta : inactive);
-
-    if (!this->connected) {
-      this->draw_digits_(it, "----", false, inactive);
-      it.print(160, 148, font, inactive, esphome::display::TextAlign::CENTER, "scan/connect");
-    } else if (!this->has_reading) {
-      this->draw_digits_(it, "8888", false, inactive);
-      it.print(160, 148, font, inactive, esphome::display::TextAlign::CENTER, "waiting");
-    } else if (this->overload) {
-      this->draw_digits_(it, " OL ", false, fg);
-    } else {
-      char d[5];
-      d[0] = this->digit_char_(REGDIG1);
-      d[1] = this->digit_char_(REGDIG2);
-      d[2] = this->digit_char_(REGDIG3);
-      d[3] = this->digit_char_(REGDIG4);
-      d[4] = 0;
-      this->draw_digits_(it, d, this->negative(), fg);
-      this->draw_decimal_points_(it, fg);
-    }
-
-    std::string unit_line = std::string(this->scale()) + this->unit();
-    it.print(270, 140, font, yellow, esphome::display::TextAlign::CENTER, unit_line.c_str());
-
-    this->draw_bargraph_(it, this->has_reading && !this->overload ? this->digits_from_buffer_() : 0, this->has_reading && !this->overload);
-    this->draw_icon_(it, 300, 148, 16, 16, DIODE_BMP, this->diode() ? magenta : inactive);
-    this->draw_icon_(it, 300, 174, 16, 16, BUZZ_BMP, this->continuity() ? orange : inactive);
-
-    it.filled_rectangle(34, 212, 40, 24, this->write_available ? fg : inactive);
-    it.filled_rectangle(108, 212, 100, 24, this->write_available ? fg : inactive);
-    it.filled_rectangle(242, 212, 40, 24, this->write_available ? fg : inactive);
-    it.print(54, 216, font, bg, esphome::display::TextAlign::TOP_CENTER, "<");
-    it.print(158, 216, font, bg, esphome::display::TextAlign::TOP_CENTER, this->selected_button_name());
-    it.print(262, 216, font, bg, esphome::display::TextAlign::TOP_CENTER, ">");
-  }
-
- private:
-  uint8_t raw_[14]{};
-  uint8_t value_[14]{};
-  float display_value{NAN};
-  float base_value{NAN};
-  static constexpr uint8_t OVERLOAD_FRAME[5] = {0x2B, 0x3F, 0x30, 0x3A, 0x3F};
-
-  uint16_t digits_from_buffer_() const {
-    uint16_t out = 0;
-    if (this->value_[REGDIG1] >= '0' && this->value_[REGDIG1] <= '9') out += (this->value_[REGDIG1] - '0') * 1000;
-    if (this->value_[REGDIG2] >= '0' && this->value_[REGDIG2] <= '9') out += (this->value_[REGDIG2] - '0') * 100;
-    if (this->value_[REGDIG3] >= '0' && this->value_[REGDIG3] <= '9') out += (this->value_[REGDIG3] - '0') * 10;
-    if (this->value_[REGDIG4] >= '0' && this->value_[REGDIG4] <= '9') out += (this->value_[REGDIG4] - '0');
-    return out;
-  }
-
-  float calc_display_value_() const {
-    if (this->overload) return NAN;
-
-    if (this->is_plus) {
-      uint16_t pair1 = static_cast<uint16_t>(this->raw_[0]) | (static_cast<uint16_t>(this->raw_[1]) << 8);
-      uint8_t decimal = pair1 & 0x07;
-      if (decimal >= 7) return NAN;
-
-      uint16_t pair3 = static_cast<uint16_t>(this->raw_[4]) | (static_cast<uint16_t>(this->raw_[5]) << 8);
-      bool negative = pair3 >= 0x7FFF;
-      uint16_t digits = negative ? (pair3 & 0x7FFF) : pair3;
-      float v = static_cast<float>(digits) / std::pow(10.0f, decimal);
-      return negative ? -v : v;
-    }
-
-    uint8_t decimal = 0;
-    switch (this->value_[REGPOINT] & 0x07) {
-      case 0b001: decimal = 1; break;
-      case 0b010: decimal = 2; break;
-      case 0b100: decimal = 3; break;
-      default: break;
-    }
-    float v = static_cast<float>(this->digits_from_buffer_()) / std::pow(10.0f, decimal);
-    return this->negative() ? -v : v;
-  }
-
-  float calc_base_value_() const {
-    if (std::isnan(this->display_value)) return NAN;
-    if (this->value_[REGUNIT] == FLAGUNITNF) return this->display_value * 1e-9f;
-    if ((this->value_[REGSCALE] & FLAGSCALEMEGA) == FLAGSCALEMEGA) return this->display_value * 1e6f;
-    if ((this->value_[REGSCALE] & FLAGSCALEKILO) == FLAGSCALEKILO) return this->display_value * 1e3f;
-    if ((this->value_[REGSCALE] & FLAGSCALEMILLI) == FLAGSCALEMILLI) return this->display_value * 1e-3f;
-    if ((this->value_[REGSCALE] & FLAGSCALEMICRO) == FLAGSCALEMICRO) return this->display_value * 1e-6f;
-    return this->display_value;
-  }
-
-  void parse_plus_() {
-    memset(this->value_, 0, sizeof(this->value_));
-    this->value_[5] = 0x20;
-    this->value_[12] = 0x0D;
-    this->value_[13] = 0x0A;
-
-    uint16_t pair1 = static_cast<uint16_t>(this->raw_[0]) | (static_cast<uint16_t>(this->raw_[1]) << 8);
-    uint8_t function = (pair1 >> 6) & 0x0F;
-    uint8_t scale = (pair1 >> 3) & 0x07;
-    uint8_t decimal = pair1 & 0x07;
-
-    switch (decimal) {
-      case 0: this->value_[REGPOINT] = FLAGPOINT0; break;
-      case 1: this->value_[REGPOINT] = FLAGPOINT3; break;
-      case 2: this->value_[REGPOINT] = FLAGPOINT2; break;
-      case 3: this->value_[REGPOINT] = FLAGPOINT1; break;
-      default: break;
-    }
-
-    switch (function) {
-      case 0: this->value_[REGUNIT] |= FLAGUNITVOLT; this->value_[REGMODE] |= FLAGMODEDC; break;
-      case 1: this->value_[REGUNIT] |= FLAGUNITVOLT; this->value_[REGMODE] |= FLAGMODEAC; break;
-      case 2: this->value_[REGUNIT] |= FLAGUNITAMP; this->value_[REGMODE] |= FLAGMODEDC; break;
-      case 3: this->value_[REGUNIT] |= FLAGUNITAMP; this->value_[REGMODE] |= FLAGMODEAC; break;
-      case 4: this->value_[REGUNIT] |= FLAGUNITOHM; break;
-      case 5: this->value_[REGUNIT] |= FLAGUNITNF; break;
-      case 6: this->value_[REGUNIT] |= FLAGUNITHZ; break;
-      case 7: this->value_[REGSCALE] |= FLAGSCALEDUTY; break;
-      case 8: this->value_[REGUNIT] |= FLAGUNITGRAD; break;
-      case 9: this->value_[REGUNIT] |= FLAGUNITFAHR; break;
-      case 10: this->value_[REGSCALE] |= FLAGSCALEDIODE; break;
-      case 11: this->value_[REGSCALE] |= FLAGSCALEBUZZ; break;
-      case 12: this->value_[REGUNIT] |= FLAGUNITHFE; break;
-      default: break;
-    }
-
-    switch (scale) {
-      case 2: this->value_[REGSCALE] |= FLAGSCALEMICRO; break;
-      case 3: this->value_[REGSCALE] |= FLAGSCALEMILLI; break;
-      case 5: this->value_[REGSCALE] |= FLAGSCALEKILO; break;
-      case 6: this->value_[REGSCALE] |= FLAGSCALEMEGA; break;
-      default: break;
-    }
-
-    uint16_t pair2 = static_cast<uint16_t>(this->raw_[2]) | (static_cast<uint16_t>(this->raw_[3]) << 8);
-    if (pair2 & (1 << 0)) this->value_[REGMODE] |= FLAGMODEHOLD;
-    if (pair2 & (1 << 1)) this->value_[REGMODE] |= FLAGMODEREL;
-    if (pair2 & (1 << 2)) this->value_[REGMODE] |= FLAGMODEAUTO;
-    this->low_battery = (pair2 & (1 << 3)) != 0;
-    if (pair2 & (1 << 4)) this->value_[REGMINMAX] |= FLAGMIN;
-    if (pair2 & (1 << 5)) this->value_[REGMINMAX] |= FLAGMAX;
-
-    uint16_t pair3 = static_cast<uint16_t>(this->raw_[4]) | (static_cast<uint16_t>(this->raw_[5]) << 8);
-    if (decimal < 7) {
-      uint16_t digits = pair3;
-      if (pair3 < 0x7FFF) {
-        this->value_[REGPLUSMINUS] = FLAGPLUS;
-      } else {
-        this->value_[REGPLUSMINUS] = FLAGMINUS;
-        digits = pair3 & 0x7FFF;
-      }
-      this->value_[REGDIG1] = '0' + ((digits / 1000) % 10);
-      this->value_[REGDIG2] = '0' + ((digits / 100) % 10);
-      this->value_[REGDIG3] = '0' + ((digits / 10) % 10);
-      this->value_[REGDIG4] = '0' + (digits % 10);
-    } else {
-      memcpy(this->value_, OVERLOAD_FRAME, sizeof(OVERLOAD_FRAME));
-    }
-  }
-
-  char digit_char_(uint8_t reg) const {
-    uint8_t c = this->value_[reg];
-    return (c >= '0' && c <= '9') ? static_cast<char>(c) : ' ';
-  }
-
-  void label_(Display &it, esphome::display::BaseFont *font, int x, int y, const char *text, Color color) {
-    it.print(x, y, font, color, esphome::display::TextAlign::TOP_LEFT, text);
-  }
-
-  void draw_digits_(Display &it, const char *text, bool negative, Color color) {
-    if (negative) this->draw_segment_(it, 8, 88, 26, 9, true, color);
-    constexpr int digit_x = 40;
-    constexpr int digit_y = 35;
-    constexpr int digit_w = 50;
-    constexpr int digit_h = 88;
-    constexpr int digit_distance = 64;
-    for (int i = 0; i < 4; i++) {
-      this->draw_seven_segment_(it, digit_x + i * digit_distance, digit_y, digit_w, digit_h, text[i], color);
-    }
-  }
-
-  void draw_decimal_points_(Display &it, Color color) {
-    uint8_t p = this->value_[REGPOINT];
-    if ((p & FLAGPOINT1) == FLAGPOINT1) it.filled_rectangle(95, 117, 8, 10, color);
-    if ((p & FLAGPOINT2) == FLAGPOINT2) it.filled_rectangle(159, 117, 8, 10, color);
-    if ((p & FLAGPOINT3) == FLAGPOINT3) it.filled_rectangle(223, 117, 8, 10, color);
-  }
-
-  void draw_segment_(Display &it, int x, int y, int w, int h, bool horizontal, Color color) {
-    if (horizontal) {
-      int cap = h / 2;
-      it.filled_rectangle(x + cap, y, w - 2 * cap, h, color);
-      it.filled_triangle(x, y + cap, x + cap, y, x + cap, y + h, color);
-      it.filled_triangle(x + w, y + cap, x + w - cap, y, x + w - cap, y + h, color);
-    } else {
-      int cap = w / 2;
-      it.filled_rectangle(x, y + cap, w, h - 2 * cap, color);
-      it.filled_triangle(x + cap, y, x, y + cap, x + w, y + cap, color);
-      it.filled_triangle(x + cap, y + h, x, y + h - cap, x + w, y + h - cap, color);
-    }
-  }
-
-  void draw_icon_(Display &it, int x, int y, int w, int h, const uint8_t *data, Color color) {
-    for (int row = 0; row < h; row++) {
-      for (int col = 0; col < w; col++) {
-        uint8_t byte = data[row * ((w + 7) / 8) + (col / 8)];
-        if ((byte & (0x80 >> (col % 8))) != 0) {
-          it.draw_pixel_at(x + col, y + row, color);
-        }
-      }
-    }
-  }
-
-  void draw_seven_segment_(Display &it, int x, int y, int w, int h, char ch, Color color) {
-    bool a=false,b=false,c=false,d=false,e=false,f=false,g=false;
-    switch (ch) {
-      case '0': a=b=c=d=e=f=true; break;
-      case '1': b=c=true; break;
-      case '2': a=b=d=e=g=true; break;
-      case '3': a=b=c=d=g=true; break;
-      case '4': b=c=f=g=true; break;
-      case '5': a=c=d=f=g=true; break;
-      case '6': a=c=d=e=f=g=true; break;
-      case '7': a=b=c=true; break;
-      case '8': a=b=c=d=e=f=g=true; break;
-      case '9': a=b=c=d=f=g=true; break;
-      case 'O': a=b=c=d=e=f=true; break;
-      case 'L': d=e=f=true; break;
-      case '-': g=true; break;
-      default: break;
-    }
-    int t = 10;
-    int half = h / 2;
-    int gap = 1;
-
-    int top_y = y;
-    int mid_y = y + half - t / 2;
-    int bot_y = y + h - t;
-
-    int upper_v_y = top_y + t + gap;
-    int upper_v_h = mid_y - gap - upper_v_y;
-    int lower_v_y = mid_y + t + gap;
-    int lower_v_h = bot_y - gap - lower_v_y;
-
-    if (a) this->draw_segment_(it, x + t / 2, top_y, w - t, t, true, color);
-    if (b && upper_v_h > 0) this->draw_segment_(it, x + w - t, upper_v_y, t, upper_v_h, false, color);
-    if (c && lower_v_h > 0) this->draw_segment_(it, x + w - t, lower_v_y, t, lower_v_h, false, color);
-    if (d) this->draw_segment_(it, x + t / 2, bot_y, w - t, t, true, color);
-    if (e && lower_v_h > 0) this->draw_segment_(it, x, lower_v_y, t, lower_v_h, false, color);
-    if (f && upper_v_h > 0) this->draw_segment_(it, x, upper_v_y, t, upper_v_h, false, color);
-    if (g) this->draw_segment_(it, x + t / 2, mid_y, w - t, t, true, color);
-  }
-
-  void draw_bargraph_(Display &it, uint16_t digits, bool active) {
-    const Color fg(255, 255, 255);
-    const Color inactive(80, 80, 80);
-    uint16_t mapped = active ? static_cast<uint16_t>(digits * 240 / 6000) : 0;
-    if (mapped > 240) mapped = 240;
-    for (uint16_t i = 0; i <= 240; i += 4) {
-      Color col = (active && i <= mapped) ? fg : inactive;
-      int h = (i % 40 == 0) ? 20 : ((i % 20 == 0) ? 15 : 10);
-      it.vertical_line(40 + i, 185 - h, h, col);
-    }
-    it.horizontal_line(35, 185, 250, inactive);
-  }
-};
-
-}  // namespace owon_b35t
-
-static owon_b35t::Meter owon_meter;

esphome/atorch-ble-proxy.yaml

@@ -38,10 +38,13 @@ ota:
   platform: esphome
   password: !secret ota
 
+network:
+  enable_ipv6: true
+
 wifi:
   ssid: "Voltage-legacy"
   password: !secret voltage_legacy_psk
-  use_address: atorch-dc-load.home  
+  #use_address: atorch-dc-load.home  
   power_save_mode: high
   fast_connect: on
   min_auth_mode: WPA2

esphome/badezimmer-luft.yaml

@@ -16,10 +16,13 @@ esp32:
   framework:
     type: arduino
 
+network:
+  enable_ipv6: true
+
 wifi:
   ssid: "Voltage-legacy"
   password: !secret voltage_legacy_psk
-  use_address: bathroom.home  
+  #use_address: bathroom.home  
   power_save_mode: high
   fast_connect: on
   min_auth_mode: WPA2

esphome/epaperframe.yaml

@@ -23,10 +23,13 @@ esp32:
   framework:
     type: esp-idf
 
+network:
+  enable_ipv6: true
+
 wifi:
   ssid: "Voltage-legacy"
   password: !secret voltage_legacy_psk
-  use_address: epaperframe.home
+  #use_address: epaperframe.home
   power_save_mode: high
   fast_connect: on
   min_auth_mode: WPA2

esphome/geigercounter.yaml

@@ -16,10 +16,13 @@ esp32:
   framework:
     type: esp-idf
 
+network:
+  enable_ipv6: true
+
 wifi:
   ssid: "Voltage-legacy"
   password: !secret voltage_legacy_psk
-  use_address: ${name}.home  
+  #use_address: ${name}.home  
   power_save_mode: high
   fast_connect: on
   min_auth_mode: WPA2

esphome/kamera-balkon.yaml

@@ -16,6 +16,9 @@ esp32:
   framework:
     type: esp-idf
 
+network:
+  enable_ipv6: true
+
 wifi:
   ssid: "Voltage-legacy"
   password: !secret voltage_legacy_psk

esphome/kamera-wohnzimmer.yaml

@@ -16,10 +16,13 @@ esp32:
   framework:
     type: esp-idf
 
+network:
+  enable_ipv6: true
+
 wifi:
   ssid: "Voltage-legacy"
   password: !secret voltage_legacy_psk
-  use_address: cam-livingroom.home  
+  #use_address: cam-livingroom.home  
   power_save_mode: high
   fast_connect: on
 

esphome/lab-ble-proxy.h

@@ -1,741 +0,0 @@
-/*
- * ESPHome helper for OWON B35T/B35T+ BLE meter on M5Stack Core 2.
- * Parser is based on the standalone Arduino sketch by Reaper7
- * (Beerware license, Revision 42) and Dean Cording's owonb35 notes.
- */
-#pragma once
-
-#include <cmath>
-#include <cstdint>
-#include <cstring>
-#include <string>
-#include <vector>
-#include "esp_heap_caps.h"
-#include "esp_system.h"
-#include "esphome/core/helpers.h"
-#include "esphome/components/i2c/i2c.h"
-#include "esphome/core/log.h"
-#include "esphome/components/display/display.h"
-
-namespace owon_b35t {
-
-using esphome::Color;
-using esphome::display::Display;
-
-static const char *const TAG = "owon_b35t";
-static const char *const POWER_TAG = "core2_power";
-static constexpr uint8_t AXP192_ADDR = 0x34;
-static esphome::i2c::I2CDevice axp192;
-static bool axp192_ready = false;
-
-static bool axp_write(uint8_t reg, uint8_t value) {
-  if (!axp192_ready) return false;
-  bool ok = axp192.write_byte(reg, value);
-  if (!ok) ESP_LOGW(POWER_TAG, "AXP192 write reg 0x%02X failed", reg);
-  return ok;
-}
-
-static bool axp_read(uint8_t reg, uint8_t *value) {
-  if (!axp192_ready) return false;
-  bool ok = axp192.read_byte(reg, value);
-  if (!ok) ESP_LOGW(POWER_TAG, "AXP192 read reg 0x%02X failed", reg);
-  return ok;
-}
-
-static void axp_update(uint8_t reg, uint8_t clear_mask, uint8_t set_mask) {
-  uint8_t value = 0;
-  if (!axp_read(reg, &value)) return;
-  value = (value & ~clear_mask) | set_mask;
-  axp_write(reg, value);
-}
-
-static uint8_t axp_dc_voltage_data(uint16_t millivolts) {
-  if (millivolts < 700) millivolts = 700;
-  if (millivolts > 3500) millivolts = 3500;
-  return static_cast<uint8_t>((millivolts - 700) / 25) & 0x7F;
-}
-
-static uint8_t axp_ldo_voltage_data(uint16_t millivolts) {
-  if (millivolts < 1800) millivolts = 1800;
-  if (millivolts > 3300) millivolts = 3300;
-  return static_cast<uint8_t>((millivolts - 1800) / 100) & 0x0F;
-}
-
-static void core2_axp192_set_lcd_voltage(uint16_t millivolts) {
-  uint8_t value = 0;
-  axp_read(0x27, &value);
-  axp_write(0x27, (value & 0x80) | axp_dc_voltage_data(millivolts));  // DCDC3, LCD backlight
-}
-
-static void core2_axp192_set_backlight(float brightness) {
-  if (brightness <= 0.0f) {
-    axp_update(0x12, 0x02, 0x00);  // DCDC3 off
-    return;
-  }
-  if (brightness > 1.0f) brightness = 1.0f;
-  uint16_t millivolts = static_cast<uint16_t>(2400 + brightness * 900);
-  core2_axp192_set_lcd_voltage(millivolts);
-  axp_update(0x12, 0x00, 0x02);  // DCDC3 on
-}
-
-static void core2_axp192_init(esphome::i2c::I2CBus *bus) {
-  axp192.set_i2c_bus(bus);
-  axp192.set_i2c_address(AXP192_ADDR);
-  axp192_ready = true;
-  ESP_LOGI(POWER_TAG, "Initializing M5Stack Core2 AXP192 LCD power");
-  axp_update(0x30, 0xF9, 0x02);  // Disable VBUS current limit, preserve bit 2.
-  axp_update(0x92, 0x07, 0x00);  // GPIO1 open-drain output.
-  axp_update(0x93, 0x07, 0x00);  // GPIO2 open-drain output.
-  axp_write(0x35, 0xA2);         // RTC battery charging.
-
-  uint8_t value = 0;
-  axp_read(0x26, &value);
-  axp_write(0x26, (value & 0x80) | axp_dc_voltage_data(3350));  // DCDC1 ESP32 VDD.
-  core2_axp192_set_lcd_voltage(2800);
-
-  uint8_t ldo2 = axp_ldo_voltage_data(3300);
-  uint8_t ldo3 = axp_ldo_voltage_data(2000);
-  axp_write(0x28, (ldo2 << 4) | ldo3);  // LDO2 LCD logic/SD, LDO3 vibrator.
-  axp_update(0x12, 0x00, 0x07);         // Enable DCDC1, DCDC3, LDO2.
-  axp_write(0x82, 0xFF);                // ADCs on.
-  axp_update(0x95, 0x8D, 0x84);         // GPIO4 setup, as M5Core2 library does.
-  axp_write(0x36, 0x4C);                // Power key timing.
-
-  // LCD reset through AXP192 GPIO4.
-  axp_update(0x96, 0x02, 0x00);
-  delay(100);
-  axp_update(0x96, 0x00, 0x02);
-  delay(100);
-
-  core2_axp192_set_backlight(1.0f);
-}
-
-static const uint8_t ACCU_BMP[32] = {
-    0b00000000, 0b00000000,
-    0b00000000, 0b00000000,
-    0b00000000, 0b00000000,
-    0b11111111, 0b11111110,
-    0b10000000, 0b00000010,
-    0b10000000, 0b00000011,
-    0b10000000, 0b00000011,
-    0b10000000, 0b00000011,
-    0b10000000, 0b00000011,
-    0b10000000, 0b00000011,
-    0b10000000, 0b00000011,
-    0b10000000, 0b00000010,
-    0b11111111, 0b11111110,
-    0b00000000, 0b00000000,
-    0b00000000, 0b00000000,
-    0b00000000, 0b00000000,
-};
-
-static const uint8_t BLE_BMP[32] = {
-    0b00000001, 0b10000000,
-    0b00000001, 0b11000000,
-    0b00010001, 0b01100000,
-    0b00011001, 0b00110000,
-    0b00001101, 0b00011000,
-    0b00000111, 0b00110000,
-    0b00000011, 0b01100000,
-    0b00000001, 0b11000000,
-    0b00000001, 0b11000000,
-    0b00000011, 0b01100000,
-    0b00000111, 0b00110000,
-    0b00001101, 0b00011000,
-    0b00011001, 0b00110000,
-    0b00010001, 0b01100000,
-    0b00000001, 0b11000000,
-    0b00000001, 0b10000000,
-};
-
-static const uint8_t DIODE_BMP[32] = {
-    0b00001000, 0b00011000,
-    0b00001100, 0b00011000,
-    0b00001110, 0b00011000,
-    0b00001111, 0b00011000,
-    0b00001111, 0b10011000,
-    0b00001111, 0b11011000,
-    0b00001111, 0b11111000,
-    0b11111111, 0b11111111,
-    0b11111111, 0b11111111,
-    0b00001111, 0b11111000,
-    0b00001111, 0b11011000,
-    0b00001111, 0b10011000,
-    0b00001111, 0b00011000,
-    0b00001110, 0b00011000,
-    0b00001100, 0b00011000,
-    0b00001000, 0b00011000,
-};
-
-static const uint8_t BUZZ_BMP[32] = {
-    0b00000000, 0b11000000,
-    0b00000001, 0b11000000,
-    0b00000011, 0b11000001,
-    0b00000111, 0b11000001,
-    0b00001111, 0b11000101,
-    0b11111111, 0b11000101,
-    0b11111111, 0b11010101,
-    0b11111111, 0b11010101,
-    0b11111111, 0b11010101,
-    0b11111111, 0b11010101,
-    0b11111111, 0b11000101,
-    0b00001111, 0b11000101,
-    0b00000111, 0b11000001,
-    0b00000011, 0b11000001,
-    0b00000001, 0b11000000,
-    0b00000000, 0b11000000,
-};
-
-class Meter {
- public:
-  static constexpr uint8_t REGPLUSMINUS = 0x00;
-  static constexpr uint8_t FLAGPLUS = 0b00101011;
-  static constexpr uint8_t FLAGMINUS = 0b00101101;
-  static constexpr uint8_t REGDIG1 = 0x01;
-  static constexpr uint8_t REGDIG2 = 0x02;
-  static constexpr uint8_t REGDIG3 = 0x03;
-  static constexpr uint8_t REGDIG4 = 0x04;
-  static constexpr uint8_t REGPOINT = 0x06;
-  static constexpr uint8_t FLAGPOINT0 = 0b00110000;
-  static constexpr uint8_t FLAGPOINT1 = 0b00110001;
-  static constexpr uint8_t FLAGPOINT2 = 0b00110010;
-  static constexpr uint8_t FLAGPOINT3 = 0b00110100;
-  static constexpr uint8_t REGMODE = 0x07;
-  static constexpr uint8_t FLAGMODEHOLD = 0b00000010;
-  static constexpr uint8_t FLAGMODEREL = 0b00000100;
-  static constexpr uint8_t FLAGMODEAC = 0b00001000;
-  static constexpr uint8_t FLAGMODEDC = 0b00010000;
-  static constexpr uint8_t FLAGMODEAUTO = 0b00100000;
-  static constexpr uint8_t REGMINMAX = 0x08;
-  static constexpr uint8_t FLAGMIN = 0b00010000;
-  static constexpr uint8_t FLAGMAX = 0b00100000;
-  static constexpr uint8_t REGSCALE = 0x09;
-  static constexpr uint8_t FLAGSCALEDUTY = 0b00000010;
-  static constexpr uint8_t FLAGSCALEDIODE = 0b00000100;
-  static constexpr uint8_t FLAGSCALEBUZZ = 0b00001000;
-  static constexpr uint8_t FLAGSCALEMEGA = 0b00010000;
-  static constexpr uint8_t FLAGSCALEKILO = 0b00100000;
-  static constexpr uint8_t FLAGSCALEMILLI = 0b01000000;
-  static constexpr uint8_t FLAGSCALEMICRO = 0b10000000;
-  static constexpr uint8_t REGUNIT = 0x0a;
-  static constexpr uint8_t FLAGUNITFAHR = 0b00000001;
-  static constexpr uint8_t FLAGUNITGRAD = 0b00000010;
-  static constexpr uint8_t FLAGUNITNF = 0b00000100;
-  static constexpr uint8_t FLAGUNITHZ = 0b00001000;
-  static constexpr uint8_t FLAGUNITHFE = 0b00010000;
-  static constexpr uint8_t FLAGUNITOHM = 0b00100000;
-  static constexpr uint8_t FLAGUNITAMP = 0b01000000;
-  static constexpr uint8_t FLAGUNITVOLT = 0b10000000;
-
-  bool connected{false};
-  bool write_available{false};
-  bool is_plus{false};
-  bool low_battery{false};
-  bool overload{false};
-  bool has_reading{false};
-  uint8_t selected_button{1};
-  uint32_t last_notify_ms{0};
-
-  bool handle_notify(const std::vector<uint8_t> &data) {
-    if (data.size() > sizeof(this->raw_))
-      return false;
-    if (data.size() == 6 && data[1] >= 0xF0) {
-      memset(this->raw_, 0, sizeof(this->raw_));
-      memcpy(this->raw_, data.data(), data.size());
-      this->is_plus = true;
-      this->parse_plus_();
-    } else if (data.size() == 14 && data[12] == 0x0D && data[13] == 0x0A) {
-      memset(this->value_, 0, sizeof(this->value_));
-      memcpy(this->value_, data.data(), data.size());
-      this->is_plus = false;
-    } else {
-      ESP_LOGW(TAG, "Ignoring unexpected OWON frame length=%u", static_cast<unsigned>(data.size()));
-      return false;
-    }
-
-    this->overload = memcmp(this->value_, OVERLOAD_FRAME, sizeof(OVERLOAD_FRAME)) == 0;
-    this->display_value = this->calc_display_value_();
-    this->base_value = this->calc_base_value_();
-    this->has_reading = true;
-    this->last_notify_ms = millis();
-    return true;
-  }
-
-  void on_connect() {
-    this->connected = true;
-    this->write_available = true;
-  }
-
-  void on_disconnect() {
-    this->connected = false;
-    this->write_available = false;
-  }
-
-  float value() const { return this->display_value; }
-  float value_base() const { return this->base_value; }
-  bool negative() const { return (this->value_[REGPLUSMINUS] & FLAGMINUS) == FLAGMINUS; }
-  bool auto_range() const { return (this->value_[REGMODE] & FLAGMODEAUTO) == FLAGMODEAUTO; }
-  bool hold() const { return (this->value_[REGMODE] & FLAGMODEHOLD) == FLAGMODEHOLD; }
-  bool relative() const { return (this->value_[REGMODE] & FLAGMODEREL) == FLAGMODEREL; }
-  bool ac() const { return (this->value_[REGMODE] & FLAGMODEAC) == FLAGMODEAC; }
-  bool dc() const { return (this->value_[REGMODE] & FLAGMODEDC) == FLAGMODEDC; }
-  bool min_mode() const { return (this->value_[REGMINMAX] & FLAGMIN) == FLAGMIN; }
-  bool max_mode() const { return (this->value_[REGMINMAX] & FLAGMAX) == FLAGMAX; }
-  bool diode() const { return (this->value_[REGSCALE] & FLAGSCALEDIODE) == FLAGSCALEDIODE; }
-  bool continuity() const { return (this->value_[REGSCALE] & FLAGSCALEBUZZ) == FLAGSCALEBUZZ; }
-
-  const char *unit() const {
-    switch (this->value_[REGUNIT]) {
-      case FLAGUNITFAHR: return "°F";
-      case FLAGUNITGRAD: return "°C";
-      case FLAGUNITNF: return "nF";
-      case FLAGUNITHZ: return "Hz";
-      case FLAGUNITHFE: return "hFE";
-      case FLAGUNITOHM: return "Ω";
-      case FLAGUNITAMP: return "A";
-      case FLAGUNITVOLT: return "V";
-      default: return "";
-    }
-  }
-
-  const char *scale() const {
-    if ((this->value_[REGSCALE] & FLAGSCALEDUTY) == FLAGSCALEDUTY) return "%";
-    if ((this->value_[REGSCALE] & FLAGSCALEMEGA) == FLAGSCALEMEGA) return "M";
-    if ((this->value_[REGSCALE] & FLAGSCALEKILO) == FLAGSCALEKILO) return "k";
-    if ((this->value_[REGSCALE] & FLAGSCALEMILLI) == FLAGSCALEMILLI) return "m";
-    if ((this->value_[REGSCALE] & FLAGSCALEMICRO) == FLAGSCALEMICRO) return "µ";
-    return "";
-  }
-
-  std::string mode_text() const {
-    std::string out;
-    if (this->dc()) out += "DC ";
-    if (this->ac()) out += "AC ";
-    if (this->auto_range()) out += "AUTO ";
-    if (this->hold()) out += "HOLD ";
-    if (this->relative()) out += "REL ";
-    if (this->min_mode()) out += "MIN ";
-    if (this->max_mode()) out += "MAX ";
-    if (this->diode()) out += "DIODE ";
-    if (this->continuity()) out += "CONT ";
-    if (!out.empty()) out.pop_back();
-    return out;
-  }
-
-  std::string reading_text() const {
-    if (!this->connected) return "Disconnected";
-    if (!this->has_reading) return "Waiting for data";
-    if (this->overload) return "OL " + std::string(this->scale()) + this->unit();
-    char buf[48];
-    snprintf(buf, sizeof(buf), "%s%.4g %s%s", this->negative() ? "-" : "", std::fabs(this->display_value), this->scale(), this->unit());
-    return std::string(buf);
-  }
-
-  enum Kind { KIND_OTHER, KIND_VOLTAGE, KIND_CURRENT, KIND_RESISTANCE, KIND_FREQUENCY, KIND_CAPACITANCE, KIND_TEMP_C, KIND_TEMP_F, KIND_DUTY };
-  Kind kind() const {
-    if ((this->value_[REGSCALE] & FLAGSCALEDUTY) == FLAGSCALEDUTY) return KIND_DUTY;
-    switch (this->value_[REGUNIT]) {
-      case FLAGUNITVOLT: return KIND_VOLTAGE;
-      case FLAGUNITAMP: return KIND_CURRENT;
-      case FLAGUNITOHM: return KIND_RESISTANCE;
-      case FLAGUNITHZ: return KIND_FREQUENCY;
-      case FLAGUNITNF: return KIND_CAPACITANCE;
-      case FLAGUNITGRAD: return KIND_TEMP_C;
-      case FLAGUNITFAHR: return KIND_TEMP_F;
-      default: return KIND_OTHER;
-    }
-  }
-
-  const char *selected_button_name() const {
-    static const char *const names[] = {"SELECT", "RANGE", "HLD/LIG", "REL/BT", "HZ/DUTY", "MAX/MIN"};
-    uint8_t index = this->selected_button;
-    if (index < 1) index = 1;
-    if (index > 6) index = 6;
-    return names[index - 1];
-  }
-
-  void previous_button() {
-    if (this->selected_button > 1) this->selected_button--;
-  }
-  void next_button() {
-    if (this->selected_button < 6) this->selected_button++;
-  }
-
-  void render(esphome::display::Display &it, esphome::display::BaseFont *font,
-              esphome::display::BaseFont *value_font, int display_page = 0,
-              bool atorch_connected = false,
-              float atorch_voltage = NAN, float atorch_current = NAN, float atorch_power = NAN,
-              float atorch_capacity = NAN, float atorch_temperature = NAN)  {
-    const Color bg(0, 0, 0);
-    const Color fg(210, 210, 210);
-    // Chosen to map to a neutral dark gray in the RGB332 8-bit display palette.
-    const Color inactive(80, 80, 80);
-    const Color yellow(255, 220, 0);
-    const Color blue(0, 80, 255);
-    const Color cyan(0, 255, 255);
-    const Color magenta(255, 0, 255);
-    const Color red(255, 0, 0);
-    const Color green(0, 220, 0);
-    const Color orange(255, 165, 0);
-
-    if (display_page == 0) {
-        // --- PAGE 1: OWON Multimeter ---
-        it.fill(bg);
-        bool status_active = this->connected && this->has_reading;
-        this->draw_icon_(it, 12, 8, 16, 16, ACCU_BMP, status_active ? (this->low_battery ? red : green) : inactive);
-        this->draw_icon_(it, 46, 8, 16, 16, BLE_BMP, this->connected ? blue : inactive);
-        this->label_(it, font, 86, 8, "AUTO", status_active && this->auto_range() ? fg : inactive);
-        this->label_(it, font, 138, 8, "MAX", status_active && this->max_mode() ? red : inactive);
-        this->label_(it, font, 178, 8, "MIN", status_active && this->min_mode() ? green : inactive);
-        this->label_(it, font, 218, 8, "HOLD", status_active && this->hold() ? blue : inactive);
-        this->label_(it, font, 270, 8, "REL", status_active && this->relative() ? Color(128, 128, 0) : inactive);
-
-        this->label_(it, font, 8, 66, "DC", status_active && this->dc() ? cyan : inactive);
-        this->label_(it, font, 8, 102, "AC", status_active && this->ac() ? magenta : inactive);
-
-        if (!this->connected) {
-        this->draw_digits_(it, "----", false, inactive);
-        it.print(160, 148, font, inactive, esphome::display::TextAlign::CENTER, "scan/connect");
-        } else if (!this->has_reading) {
-        this->draw_digits_(it, "8888", false, inactive);
-        it.print(160, 148, font, inactive, esphome::display::TextAlign::CENTER, "waiting");
-        } else if (this->overload) {
-        this->draw_digits_(it, " OL ", false, fg);
-        } else {
-        char d[5];
-        d[0] = this->digit_char_(REGDIG1);
-        d[1] = this->digit_char_(REGDIG2);
-        d[2] = this->digit_char_(REGDIG3);
-        d[3] = this->digit_char_(REGDIG4);
-        d[4] = 0;
-        this->draw_digits_(it, d, this->negative(), fg);
-        this->draw_decimal_points_(it, fg);
-        }
-
-        if (status_active) {
-        std::string unit_line = std::string(this->scale()) + this->unit();
-        it.print(270, 140, font, yellow, esphome::display::TextAlign::CENTER, unit_line.c_str());
-        }
-
-        bool bargraph_active = status_active && !this->overload;
-        this->draw_bargraph_(it, bargraph_active ? this->digits_from_buffer_() : 0, bargraph_active);
-        this->draw_icon_(it, 300, 148, 16, 16, DIODE_BMP, status_active && this->diode() ? magenta : inactive);
-        this->draw_icon_(it, 300, 174, 16, 16, BUZZ_BMP, status_active && this->continuity() ? orange : inactive);
-
-        it.filled_rectangle(34, 212, 40, 24, this->write_available ? fg : inactive);
-        it.filled_rectangle(108, 212, 100, 24, this->write_available ? fg : inactive);
-        it.filled_rectangle(242, 212, 40, 24, this->write_available ? fg : inactive);
-        it.print(54, 216, font, bg, esphome::display::TextAlign::TOP_CENTER, "<");
-        it.print(158, 216, font, bg, esphome::display::TextAlign::TOP_CENTER, this->selected_button_name());
-        it.print(262, 216, font, bg, esphome::display::TextAlign::TOP_CENTER, ">");
-    } else {
-        // --- PAGE 2: Atorch DL24 DC load ---
-        it.fill(bg);
-        const Color panel_active(18, 24, 32);
-        const Color panel_inactive(12, 12, 12);
-        const Color panel_dim(10, 14, 20);
-        const Color border_active(55, 70, 86);
-        const Color border_inactive(42, 42, 42);
-        const Color white(245, 245, 245);
-        const Color dim_value(110, 110, 110);
-        const Color dim_accent(65, 65, 65);
-        const Color panel = atorch_connected ? panel_active : panel_inactive;
-        const Color border = atorch_connected ? border_active : border_inactive;
-        const Color value_color = atorch_connected ? white : dim_value;
-        const Color voltage_color = atorch_connected ? cyan : dim_accent;
-        const Color current_color = atorch_connected ? orange : dim_accent;
-        const Color power_color = atorch_connected ? yellow : dim_accent;
-        const Color temp_color = atorch_connected ? magenta : dim_accent;
-        const Color header_color = atorch_connected ? cyan : dim_value;
-
-        char voltage_text[24];
-        char current_text[24];
-        char power_text[24];
-        char capacity_text[24];
-        char temperature_text[24];
-        this->format_metric_(voltage_text, sizeof(voltage_text), atorch_voltage, "V", 2);
-        this->format_metric_(current_text, sizeof(current_text), atorch_current, "A", 3);
-        this->format_metric_(power_text, sizeof(power_text), atorch_power, "W", 2);
-        this->format_metric_(capacity_text, sizeof(capacity_text), atorch_capacity, "Ah", 3);
-        this->format_metric_(temperature_text, sizeof(temperature_text), atorch_temperature, "°C", 1);
-
-        it.filled_rectangle(0, 0, 320, 30, atorch_connected ? panel_dim : panel_inactive);
-        it.print(10, 7, font, header_color, esphome::display::TextAlign::TOP_LEFT, "ATORCH DL24");
-        if (atorch_connected) {
-          this->draw_icon_(it, 152, 7, 16, 16, BLE_BMP, blue);
-        }
-        it.print(310, 7, font, inactive, esphome::display::TextAlign::TOP_RIGHT, "DC LOAD");
-
-        this->draw_metric_card_(it, font, value_font, 10, 42, 145, 76, "VOLTAGE", voltage_text, voltage_color, panel, border, value_color);
-        this->draw_metric_card_(it, font, value_font, 165, 42, 145, 76, "CURRENT", current_text, current_color, panel, border, value_color);
-        this->draw_metric_card_(it, font, value_font, 10, 128, 145, 76, "POWER", power_text, power_color, panel, border, value_color);
-        this->draw_metric_card_(it, font, value_font, 165, 128, 145, 76, "TEMP", temperature_text, temp_color, panel, border, value_color);
-
-        it.filled_rectangle(10, 212, 300, 22, atorch_connected ? panel_dim : panel_inactive);
-        it.filled_rectangle(10, 212, 300, 1, border);
-        it.filled_rectangle(10, 233, 300, 1, border);
-        it.filled_rectangle(10, 212, 1, 22, border);
-        it.filled_rectangle(309, 212, 1, 22, border);
-        it.print(24, 216, font, inactive, esphome::display::TextAlign::TOP_LEFT, "CAPACITY");
-        it.print(306, 212, value_font, value_color, esphome::display::TextAlign::TOP_RIGHT, capacity_text);
-    }
-  }
-
- private:
-  uint8_t raw_[14]{};
-  uint8_t value_[14]{};
-  float display_value{NAN};
-  float base_value{NAN};
-  static constexpr uint8_t OVERLOAD_FRAME[5] = {0x2B, 0x3F, 0x30, 0x3A, 0x3F};
-
-  uint16_t digits_from_buffer_() const {
-    uint16_t out = 0;
-    if (this->value_[REGDIG1] >= '0' && this->value_[REGDIG1] <= '9') out += (this->value_[REGDIG1] - '0') * 1000;
-    if (this->value_[REGDIG2] >= '0' && this->value_[REGDIG2] <= '9') out += (this->value_[REGDIG2] - '0') * 100;
-    if (this->value_[REGDIG3] >= '0' && this->value_[REGDIG3] <= '9') out += (this->value_[REGDIG3] - '0') * 10;
-    if (this->value_[REGDIG4] >= '0' && this->value_[REGDIG4] <= '9') out += (this->value_[REGDIG4] - '0');
-    return out;
-  }
-
-  float calc_display_value_() const {
-    if (this->overload) return NAN;
-
-    if (this->is_plus) {
-      uint16_t pair1 = static_cast<uint16_t>(this->raw_[0]) | (static_cast<uint16_t>(this->raw_[1]) << 8);
-      uint8_t decimal = pair1 & 0x07;
-      if (decimal >= 7) return NAN;
-
-      uint16_t pair3 = static_cast<uint16_t>(this->raw_[4]) | (static_cast<uint16_t>(this->raw_[5]) << 8);
-      bool negative = pair3 >= 0x7FFF;
-      uint16_t digits = negative ? (pair3 & 0x7FFF) : pair3;
-      float v = static_cast<float>(digits) / std::pow(10.0f, decimal);
-      return negative ? -v : v;
-    }
-
-    uint8_t decimal = 0;
-    switch (this->value_[REGPOINT] & 0x07) {
-      case 0b001: decimal = 1; break;
-      case 0b010: decimal = 2; break;
-      case 0b100: decimal = 3; break;
-      default: break;
-    }
-    float v = static_cast<float>(this->digits_from_buffer_()) / std::pow(10.0f, decimal);
-    return this->negative() ? -v : v;
-  }
-
-  float calc_base_value_() const {
-    if (std::isnan(this->display_value)) return NAN;
-    if (this->value_[REGUNIT] == FLAGUNITNF) return this->display_value * 1e-9f;
-    if ((this->value_[REGSCALE] & FLAGSCALEMEGA) == FLAGSCALEMEGA) return this->display_value * 1e6f;
-    if ((this->value_[REGSCALE] & FLAGSCALEKILO) == FLAGSCALEKILO) return this->display_value * 1e3f;
-    if ((this->value_[REGSCALE] & FLAGSCALEMILLI) == FLAGSCALEMILLI) return this->display_value * 1e-3f;
-    if ((this->value_[REGSCALE] & FLAGSCALEMICRO) == FLAGSCALEMICRO) return this->display_value * 1e-6f;
-    return this->display_value;
-  }
-
-  void parse_plus_() {
-    memset(this->value_, 0, sizeof(this->value_));
-    this->value_[5] = 0x20;
-    this->value_[12] = 0x0D;
-    this->value_[13] = 0x0A;
-
-    uint16_t pair1 = static_cast<uint16_t>(this->raw_[0]) | (static_cast<uint16_t>(this->raw_[1]) << 8);
-    uint8_t function = (pair1 >> 6) & 0x0F;
-    uint8_t scale = (pair1 >> 3) & 0x07;
-    uint8_t decimal = pair1 & 0x07;
-
-    switch (decimal) {
-      case 0: this->value_[REGPOINT] = FLAGPOINT0; break;
-      case 1: this->value_[REGPOINT] = FLAGPOINT3; break;
-      case 2: this->value_[REGPOINT] = FLAGPOINT2; break;
-      case 3: this->value_[REGPOINT] = FLAGPOINT1; break;
-      default: break;
-    }
-
-    switch (function) {
-      case 0: this->value_[REGUNIT] |= FLAGUNITVOLT; this->value_[REGMODE] |= FLAGMODEDC; break;
-      case 1: this->value_[REGUNIT] |= FLAGUNITVOLT; this->value_[REGMODE] |= FLAGMODEAC; break;
-      case 2: this->value_[REGUNIT] |= FLAGUNITAMP; this->value_[REGMODE] |= FLAGMODEDC; break;
-      case 3: this->value_[REGUNIT] |= FLAGUNITAMP; this->value_[REGMODE] |= FLAGMODEAC; break;
-      case 4: this->value_[REGUNIT] |= FLAGUNITOHM; break;
-      case 5: this->value_[REGUNIT] |= FLAGUNITNF; break;
-      case 6: this->value_[REGUNIT] |= FLAGUNITHZ; break;
-      case 7: this->value_[REGSCALE] |= FLAGSCALEDUTY; break;
-      case 8: this->value_[REGUNIT] |= FLAGUNITGRAD; break;
-      case 9: this->value_[REGUNIT] |= FLAGUNITFAHR; break;
-      case 10: this->value_[REGSCALE] |= FLAGSCALEDIODE; break;
-      case 11: this->value_[REGSCALE] |= FLAGSCALEBUZZ; break;
-      case 12: this->value_[REGUNIT] |= FLAGUNITHFE; break;
-      default: break;
-    }
-
-    switch (scale) {
-      case 2: this->value_[REGSCALE] |= FLAGSCALEMICRO; break;
-      case 3: this->value_[REGSCALE] |= FLAGSCALEMILLI; break;
-      case 5: this->value_[REGSCALE] |= FLAGSCALEKILO; break;
-      case 6: this->value_[REGSCALE] |= FLAGSCALEMEGA; break;
-      default: break;
-    }
-
-    uint16_t pair2 = static_cast<uint16_t>(this->raw_[2]) | (static_cast<uint16_t>(this->raw_[3]) << 8);
-    if (pair2 & (1 << 0)) this->value_[REGMODE] |= FLAGMODEHOLD;
-    if (pair2 & (1 << 1)) this->value_[REGMODE] |= FLAGMODEREL;
-    if (pair2 & (1 << 2)) this->value_[REGMODE] |= FLAGMODEAUTO;
-    this->low_battery = (pair2 & (1 << 3)) != 0;
-    if (pair2 & (1 << 4)) this->value_[REGMINMAX] |= FLAGMIN;
-    if (pair2 & (1 << 5)) this->value_[REGMINMAX] |= FLAGMAX;
-
-    uint16_t pair3 = static_cast<uint16_t>(this->raw_[4]) | (static_cast<uint16_t>(this->raw_[5]) << 8);
-    if (decimal < 7) {
-      uint16_t digits = pair3;
-      if (pair3 < 0x7FFF) {
-        this->value_[REGPLUSMINUS] = FLAGPLUS;
-      } else {
-        this->value_[REGPLUSMINUS] = FLAGMINUS;
-        digits = pair3 & 0x7FFF;
-      }
-      this->value_[REGDIG1] = '0' + ((digits / 1000) % 10);
-      this->value_[REGDIG2] = '0' + ((digits / 100) % 10);
-      this->value_[REGDIG3] = '0' + ((digits / 10) % 10);
-      this->value_[REGDIG4] = '0' + (digits % 10);
-    } else {
-      memcpy(this->value_, OVERLOAD_FRAME, sizeof(OVERLOAD_FRAME));
-    }
-  }
-
-  char digit_char_(uint8_t reg) const {
-    uint8_t c = this->value_[reg];
-    return (c >= '0' && c <= '9') ? static_cast<char>(c) : ' ';
-  }
-
-  void format_metric_(char *buffer, size_t size, float value, const char *unit, uint8_t decimals) const {
-    if (!std::isfinite(value)) {
-      snprintf(buffer, size, "-- %s", unit);
-      return;
-    }
-    char format[12];
-    snprintf(format, sizeof(format), "%%.%uf %%s", decimals);
-    snprintf(buffer, size, format, value, unit);
-  }
-
-  void draw_metric_card_(Display &it, esphome::display::BaseFont *label_font, esphome::display::BaseFont *value_font,
-                         int x, int y, int w, int h, const char *title, const char *value,
-                         Color accent, Color fill, Color border, Color value_color) {
-    const Color bg(0, 0, 0);
-    const Color inactive(90, 100, 110);
-    it.filled_rectangle(x, y, w, h, fill);
-    it.filled_rectangle(x, y, w, 2, accent);
-    it.filled_rectangle(x, y + h - 1, w, 1, border);
-    it.filled_rectangle(x, y, 1, h, border);
-    it.filled_rectangle(x + w - 1, y, 1, h, border);
-    it.print(x + 10, y + 9, label_font, inactive, esphome::display::TextAlign::TOP_LEFT, title);
-    it.print(x + w / 2, y + 43, value_font, value_color, esphome::display::TextAlign::CENTER, value);
-    it.filled_rectangle(x + 10, y + h - 11, w - 20, 3, bg);
-    it.filled_rectangle(x + 10, y + h - 11, w - 20, 1, accent);
-  }
-
-  void label_(Display &it, esphome::display::BaseFont *font, int x, int y, const char *text, Color color) {
-    it.print(x, y, font, color, esphome::display::TextAlign::TOP_LEFT, text);
-  }
-
-  void draw_digits_(Display &it, const char *text, bool negative, Color color) {
-    if (negative) this->draw_segment_(it, 8, 88, 26, 9, true, color);
-    constexpr int digit_x = 40;
-    constexpr int digit_y = 35;
-    constexpr int digit_w = 50;
-    constexpr int digit_h = 88;
-    constexpr int digit_distance = 64;
-    for (int i = 0; i < 4; i++) {
-      this->draw_seven_segment_(it, digit_x + i * digit_distance, digit_y, digit_w, digit_h, text[i], color);
-    }
-  }
-
-  void draw_decimal_points_(Display &it, Color color) {
-    uint8_t p = this->value_[REGPOINT];
-    if ((p & FLAGPOINT1) == FLAGPOINT1) it.filled_rectangle(95, 117, 8, 10, color);
-    if ((p & FLAGPOINT2) == FLAGPOINT2) it.filled_rectangle(159, 117, 8, 10, color);
-    if ((p & FLAGPOINT3) == FLAGPOINT3) it.filled_rectangle(223, 117, 8, 10, color);
-  }
-
-  void draw_segment_(Display &it, int x, int y, int w, int h, bool horizontal, Color color) {
-    if (horizontal) {
-      int cap = h / 2;
-      it.filled_rectangle(x + cap, y, w - 2 * cap, h +1, color);
-      it.filled_triangle(x, y + cap, x + cap, y, x + cap, y + h, color);
-      it.filled_triangle(x + w, y + cap, x + w - cap, y, x + w - cap, y + h, color);
-    } else {
-      int cap = w / 2;
-      it.filled_rectangle(x, y + cap, w +1, h - 2 * cap, color);
-      it.filled_triangle(x + cap, y, x, y + cap, x + w, y + cap, color);
-      it.filled_triangle(x + cap, y + h, x, y + h - cap, x + w, y + h - cap, color);
-    }
-  }
-
-  void draw_icon_(Display &it, int x, int y, int w, int h, const uint8_t *data, Color color) {
-    for (int row = 0; row < h; row++) {
-      for (int col = 0; col < w; col++) {
-        uint8_t byte = data[row * ((w + 7) / 8) + (col / 8)];
-        if ((byte & (0x80 >> (col % 8))) != 0) {
-          it.draw_pixel_at(x + col, y + row, color);
-        }
-      }
-    }
-  }
-
-  void draw_seven_segment_(Display &it, int x, int y, int w, int h, char ch, Color color) {
-    bool a=false,b=false,c=false,d=false,e=false,f=false,g=false;
-    switch (ch) {
-      case '0': a=b=c=d=e=f=true; break;
-      case '1': b=c=true; break;
-      case '2': a=b=d=e=g=true; break;
-      case '3': a=b=c=d=g=true; break;
-      case '4': b=c=f=g=true; break;
-      case '5': a=c=d=f=g=true; break;
-      case '6': a=c=d=e=f=g=true; break;
-      case '7': a=b=c=true; break;
-      case '8': a=b=c=d=e=f=g=true; break;
-      case '9': a=b=c=d=f=g=true; break;
-      case 'O': a=b=c=d=e=f=true; break;
-      case 'L': d=e=f=true; break;
-      case '-': g=true; break;
-      default: break;
-    }
-    int t = 10;
-    int half = h / 2;
-    int gap = 1;
-
-    int top_y = y;
-    int mid_y = y + half - t / 2;
-    int bot_y = y + h - t;
-
-    int upper_v_y = top_y + t + gap;
-    int upper_v_h = mid_y - gap - upper_v_y;
-    int lower_v_y = mid_y + t + gap;
-    int lower_v_h = bot_y - gap - lower_v_y;
-
-    if (a) this->draw_segment_(it, x + t / 2, top_y, w - t, t, true, color);
-    if (b && upper_v_h > 0) this->draw_segment_(it, x + w - t, upper_v_y, t, upper_v_h, false, color);
-    if (c && lower_v_h > 0) this->draw_segment_(it, x + w - t, lower_v_y, t, lower_v_h, false, color);
-    if (d) this->draw_segment_(it, x + t / 2, bot_y, w - t, t, true, color);
-    if (e && lower_v_h > 0) this->draw_segment_(it, x, lower_v_y, t, lower_v_h, false, color);
-    if (f && upper_v_h > 0) this->draw_segment_(it, x, upper_v_y, t, upper_v_h, false, color);
-    if (g) this->draw_segment_(it, x + t / 2, mid_y, w - t, t, true, color);
-  }
-
-  void draw_bargraph_(Display &it, uint16_t digits, bool active) {
-    const Color fg(255, 255, 255);
-    const Color inactive(80, 80, 80);
-    uint16_t mapped = active ? static_cast<uint16_t>(digits * 240 / 6000) : 0;
-    if (mapped > 240) mapped = 240;
-    for (uint16_t i = 0; i <= 240; i += 4) {
-      Color col = (active && i <= mapped) ? fg : inactive;
-      int h = (i % 40 == 0) ? 20 : ((i % 20 == 0) ? 15 : 10);
-      it.vertical_line(40 + i, 185 - h, h, col);
-    }
-    it.horizontal_line(35, 185, 250, inactive);
-  }
-};
-
-}  // namespace owon_b35t
-
-static owon_b35t::Meter owon_meter;

esphome/lab-ble-proxy.yaml

@@ -1,573 +0,0 @@
-# Derived work based on https://github.com/reaper7/M5Stack_BLE_client_Owon_B35T by reaper7.
-# AI (ChatGPT (GPT5.5), Qwen3.6) has been used to adopt the Arduino sketch to ESPHome.
-# Ported to M5Stack Core2 due to memory constraints.
-# Integrated atorch ble proxy functionality from https://github.com/syssi/esphome-atorch-dl24 by syssi.
-
-substitutions:
-  name: "lab-ble-proxy"
-  friendly_name: "Lab BLE Proxy"
-  device_description: "M5Stack Core2 BLE client for OWON B35T/B35T+ multimeter and Atorch DL24 DC load"
-  owon_mac_address: !secret owon_b35t_mac_address
-  dl24_mac_address: !secret dl24_mac_address
-  external_components_source: github://syssi/esphome-atorch-dl24@main
-  atorch_project_version: "2.1.0"
-
-esphome:
-  name: ${name}
-  friendly_name: ${friendly_name}
-  comment: ${device_description}
-  min_version: 2024.6.0
-  includes:
-    - lab-ble-proxy.h
-  on_boot:
-    priority: 850
-    then:
-      - lambda: |-
-          owon_b35t::core2_axp192_init(id(core2_i2c));
-  project:
-    name: "custom.lab-ble-proxy-m5stack-core2"
-    version: "1.0"
-
-esp32:
-  board: m5stack-core2
-  flash_size: 16MB
-  framework:
-    type: esp-idf
-    advanced:
-      minimum_chip_revision: "3.1"
-      sram1_as_iram: true
-
-psram:
-  mode: quad
-  speed: 80MHz
-
-external_components:
-  - source: ${external_components_source}
-    refresh: 0s
-
-logger:
-  level: INFO
-
-api:
-  encryption:
-    key: !secret apikey
-
-ota:
-  platform: esphome
-  password: !secret ota
-
-wifi:
-  ssid: "Voltage-legacy"
-  password: !secret voltage_legacy_psk
-  #use_address: ${name}.home
-  power_save_mode: none
-  fast_connect: on
-  min_auth_mode: WPA2
-  ap:
-    ssid: "Lab BLE Proxy Fallback Hotspot"
-    password: !secret fallback_psk
-
-captive_portal:
-
-globals:
-  - id: display_page
-    type: int
-    initial_value: "0"
-    restore_value: no
-  - id: atorch_connected
-    type: bool
-    initial_value: "false"
-    restore_value: no
-
-script:
-  - id: wake_backlight
-    mode: restart
-    then:
-      - script.stop: backlight_idle
-      - light.turn_on:
-          id: backlight
-          brightness: 100%
-  - id: backlight_idle
-    mode: restart
-    then:
-      - delay: 2min
-      - if:
-          condition:
-            lambda: |-
-              return !owon_meter.connected && !id(atorch_connected);
-          then:
-            - light.turn_on:
-                id: backlight
-                brightness: 50%
-      - delay: 3min
-      - if:
-          condition:
-            lambda: |-
-              return !owon_meter.connected && !id(atorch_connected);
-          then:
-            - light.turn_off: backlight
-
-interval:
-  - interval: 10s
-    then:
-      - lambda: |-
-          ESP_LOGI("mem", "heap free=%u min_free=%u internal_free=%u internal_largest=%u dma_free=%u dma_largest=%u psram_free=%u psram_largest=%u",
-                   static_cast<unsigned>(esp_get_free_heap_size()),
-                   static_cast<unsigned>(esp_get_minimum_free_heap_size()),
-                   static_cast<unsigned>(heap_caps_get_free_size(MALLOC_CAP_INTERNAL)),
-                   static_cast<unsigned>(heap_caps_get_largest_free_block(MALLOC_CAP_INTERNAL)),
-                   static_cast<unsigned>(heap_caps_get_free_size(MALLOC_CAP_DMA)),
-                   static_cast<unsigned>(heap_caps_get_largest_free_block(MALLOC_CAP_DMA)),
-                   static_cast<unsigned>(heap_caps_get_free_size(MALLOC_CAP_SPIRAM)),
-                   static_cast<unsigned>(heap_caps_get_largest_free_block(MALLOC_CAP_SPIRAM)));
-
-esp32_ble_tracker:
-  scan_parameters:
-    active: true
-    continuous: true
-
-ble_client:
-  - mac_address: ${owon_mac_address}
-    id: owon_ble_client
-    on_connect:
-      then:
-        - script.execute: wake_backlight
-        - lambda: |-
-            owon_meter.on_connect();
-            id(display_page) = 0;
-            id(lcd).update();
-    on_disconnect:
-      then:
-        - lambda: |-
-            owon_meter.on_disconnect();
-            if (id(display_page) == 0 && id(atorch_connected)) {
-              id(display_page) = 1;
-            }
-            id(lcd).update();
-        - if:
-            condition:
-              lambda: |-
-                return !owon_meter.connected && !id(atorch_connected);
-            then:
-              - script.execute: backlight_idle
-
-  - mac_address: ${dl24_mac_address}
-    id: atorch_ble_client
-    on_connect:
-      then:
-        - script.execute: wake_backlight
-        - lambda: |-
-            id(atorch_connected) = true;
-            id(display_page) = 1;
-            id(lcd).update();
-    on_disconnect:
-      then:
-        - lambda: |-
-            id(atorch_connected) = false;
-            if (id(display_page) == 1 && owon_meter.connected) {
-              id(display_page) = 0;
-            }
-            id(lcd).update();
-        - if:
-            condition:
-              lambda: |-
-                return !owon_meter.connected && !id(atorch_connected);
-            then:
-              - script.execute: backlight_idle
-
-atorch_dl24:
-  - id: atorch0
-    ble_client_id: atorch_ble_client
-    check_crc: false
-    throttle: 0s
-
-spi:
-  clk_pin: GPIO18
-  mosi_pin: GPIO23
-
-i2c:
-  id: core2_i2c
-  sda: GPIO21
-  scl: GPIO22
-  scan: true
-
-output:
-  - platform: template
-    type: float
-    id: lcd_backlight
-    write_action:
-      - lambda: |-
-          owon_b35t::core2_axp192_set_backlight(state);
-
-light:
-  - platform: monochromatic
-    output: lcd_backlight
-    name: "${friendly_name} Backlight"
-    id: backlight
-    restore_mode: ALWAYS_ON
-
-font:
-  - file: "fonts/Roboto-Regular.ttf"
-    id: meter_font
-    size: 15
-    glyphs:
-      [
-        " ",
-        "!",
-        "%",
-        "+",
-        "-",
-        ".",
-        "/",
-        ":",
-        "0",
-        "1",
-        "2",
-        "3",
-        "4",
-        "5",
-        "6",
-        "7",
-        "8",
-        "9",
-        "<",
-        ">",
-        "A",
-        "B",
-        "C",
-        "D",
-        "E",
-        "F",
-        "G",
-        "H",
-        "I",
-        "L",
-        "M",
-        "N",
-        "O",
-        "P",
-        "R",
-        "S",
-        "T",
-        "U",
-        "V",
-        "W",
-        "X",
-        "Y",
-        "Z",
-        "a",
-        "b",
-        "c",
-        "d",
-        "e",
-        "f",
-        "g",
-        "h",
-        "i",
-        "k",
-        "l",
-        "m",
-        "n",
-        "o",
-        "p",
-        "r",
-        "s",
-        "t",
-        "u",
-        "v",
-        "w",
-        "y",
-        "z",
-        "°",
-        "µ",
-        "Ω",
-      ]
-
-  - file: "fonts/Roboto-Medium.ttf"
-    id: atorch_value_font
-    size: 22
-    glyphs:
-      [
-        " ",
-        "+",
-        "-",
-        ".",
-        "0",
-        "1",
-        "2",
-        "3",
-        "4",
-        "5",
-        "6",
-        "7",
-        "8",
-        "9",
-        "A",
-        "C",
-        "V",
-        "W",
-        "h",
-        "°",
-      ]
-
-display:
-  - platform: mipi_spi
-    id: lcd
-    model: M5CORE2
-    update_interval: 500ms
-    lambda: |-
-      owon_meter.render(
-        it,
-        id(meter_font),
-        id(atorch_value_font),
-        id(display_page),
-        id(atorch_connected),
-        id(atorch_voltage).has_state() ? id(atorch_voltage).state : NAN,
-        id(atorch_current).has_state() ? id(atorch_current).state : NAN,
-        id(atorch_power).has_state() ? id(atorch_power).state : NAN,
-        id(atorch_capacity).has_state() ? id(atorch_capacity).state : NAN,
-        id(atorch_temperature).has_state() ? id(atorch_temperature).state : NAN
-      );
-
-touchscreen:
-  - platform: ft63x6
-    id: touch
-    display: lcd
-    on_touch:
-      then:
-        - script.execute: wake_backlight
-        - if:
-            condition:
-              lambda: |-
-                return !owon_meter.connected && !id(atorch_connected);
-            then:
-              - script.execute: backlight_idle
-
-binary_sensor:
-  - platform: touchscreen
-    touchscreen_id: touch
-    id: btn_toggle_page
-    x_min: 70
-    x_max: 250
-    y_min: 45
-    y_max: 195
-    on_press:
-      then:
-        - lambda: |-
-            id(display_page) = 1 - id(display_page);
-            id(lcd).update();
-  - platform: touchscreen
-    id: button_a
-    touchscreen_id: touch
-    x_min: 34
-    x_max: 74
-    y_min: 212
-    y_max: 240
-    internal: true
-    on_press:
-      then:
-        - lambda: |-
-            owon_meter.previous_button();
-  - platform: touchscreen
-    id: button_b
-    touchscreen_id: touch
-    x_min: 108
-    x_max: 208
-    y_min: 212
-    y_max: 240
-    internal: true
-    on_click:
-      - min_length: 50ms
-        max_length: 1500ms
-        then:
-          - logger.log:
-              level: INFO
-              format: "OWON short press: %s"
-              args: ["owon_meter.selected_button_name()"]
-          - ble_client.ble_write:
-              id: owon_ble_client
-              service_uuid: "0000fff0-0000-1000-8000-00805f9b34fb"
-              characteristic_uuid: "0000fff3-0000-1000-8000-00805f9b34fb"
-              value: !lambda |-
-                std::vector<uint8_t> data = {owon_meter.selected_button, 0x01};
-                return data;
-      - min_length: 1500ms
-        max_length: 5000ms
-        then:
-          - logger.log:
-              level: INFO
-              format: "OWON long press: %s"
-              args: ["owon_meter.selected_button_name()"]
-          - ble_client.ble_write:
-              id: owon_ble_client
-              service_uuid: "0000fff0-0000-1000-8000-00805f9b34fb"
-              characteristic_uuid: "0000fff3-0000-1000-8000-00805f9b34fb"
-              value: !lambda |-
-                uint8_t press_type = (owon_meter.selected_button == 1 || owon_meter.selected_button == 5) ? 0x01 : 0x00;
-                std::vector<uint8_t> data = {owon_meter.selected_button, press_type};
-                return data;
-  - platform: touchscreen
-    id: button_c
-    touchscreen_id: touch
-    x_min: 242
-    x_max: 282
-    y_min: 212
-    y_max: 240
-    internal: true
-    on_press:
-      then:
-        - lambda: |-
-            owon_meter.next_button();
-
-  - platform: template
-    name: "${friendly_name} OWON Connected"
-    lambda: |-
-      return owon_meter.connected;
-  - platform: template
-    name: "${friendly_name} OWON Overload"
-    lambda: |-
-      return owon_meter.overload;
-  - platform: template
-    name: "${friendly_name} OWON Low Battery"
-    lambda: |-
-      return owon_meter.low_battery;
-  - platform: template
-    name: "${friendly_name} Atorch Connected"
-    device_class: connectivity
-    lambda: |-
-      return id(atorch_connected);
-
-sensor:
-  - platform: ble_client
-    type: characteristic
-    ble_client_id: owon_ble_client
-    id: owon_notify_source
-    internal: true
-    service_uuid: "0000fff0-0000-1000-8000-00805f9b34fb"
-    characteristic_uuid: "0000fff4-0000-1000-8000-00805f9b34fb"
-    notify: true
-    update_interval: never
-    lambda: |-
-      owon_meter.handle_notify(x);
-      return owon_meter.value();
-
-  - platform: wifi_signal
-    name: "${friendly_name} WiFi Signal"
-    update_interval: 60s
-
-  - platform: atorch_dl24
-    atorch_dl24_id: atorch0
-    voltage:
-      name: "${friendly_name} Atorch Voltage"
-      id: atorch_voltage
-    current:
-      name: "${friendly_name} Atorch Current"
-      id: atorch_current
-    power:
-      name: "${friendly_name} Atorch Power"
-      id: atorch_power
-    capacity:
-      name: "${friendly_name} Atorch Capacity"
-      id: atorch_capacity
-    temperature:
-      name: "${friendly_name} Atorch Temperature"
-      id: atorch_temperature
-    dim_backlight:
-      name: "${friendly_name} Atorch Dim Backlight"
-      id: atorch_dim_backlight
-
-text_sensor:
-  - platform: template
-    name: "${friendly_name} OWON Reading"
-    update_interval: 1s
-    lambda: |-
-      return owon_meter.reading_text();
-  - platform: template
-    name: "${friendly_name} OWON Unit"
-    update_interval: 1s
-    lambda: |-
-      return std::string(owon_meter.scale()) + owon_meter.unit();
-  - platform: template
-    name: "${friendly_name} OWON Mode"
-    update_interval: 1s
-    lambda: |-
-      return owon_meter.mode_text();
-
-button:
-  - platform: atorch_dl24
-    atorch_dl24_id: atorch0
-    reset_energy:
-      name: "${friendly_name} Atorch Reset Energy"
-    reset_capacity:
-      name: "${friendly_name} Atorch Reset Capacity"
-    reset_runtime:
-      name: "${friendly_name} Atorch Reset Runtime"
-    reset_all:
-      name: "${friendly_name} Atorch Reset All"
-    usb_plus:
-      name: "${friendly_name} Atorch Plus"
-    usb_minus:
-      name: "${friendly_name} Atorch Minus"
-    setup:
-      name: "${friendly_name} Atorch Setup"
-    enter:
-      name: "${friendly_name} Atorch Enter"
-  - platform: template
-    name: "OWON SELECT"
-    id: owon_btn_select
-    on_press:
-      - ble_client.ble_write:
-          id: owon_ble_client
-          service_uuid: "0000fff0-0000-1000-8000-00805f9b34fb"
-          characteristic_uuid: "0000fff3-0000-1000-8000-00805f9b34fb"
-          value: !lambda "return std::vector<uint8_t>({1, 0x01});"
-
-  - platform: template
-    name: "OWON RANGE"
-    id: owon_btn_range
-    on_press:
-      - ble_client.ble_write:
-          id: owon_ble_client
-          service_uuid: "0000fff0-0000-1000-8000-00805f9b34fb"
-          characteristic_uuid: "0000fff3-0000-1000-8000-00805f9b34fb"
-          value: !lambda "return std::vector<uint8_t>({2, 0x01});"
-
-  - platform: template
-    name: "OWON HOLD | LIGHT"
-    id: owon_btn_hold
-    on_press:
-      - ble_client.ble_write:
-          id: owon_ble_client
-          service_uuid: "0000fff0-0000-1000-8000-00805f9b34fb"
-          characteristic_uuid: "0000fff3-0000-1000-8000-00805f9b34fb"
-          value: !lambda "return std::vector<uint8_t>({3, 0x01});"
-
-  - platform: template
-    name: "OWON RELATIVE | BT"
-    id: owon_btn_rel
-    on_press:
-      - ble_client.ble_write:
-          id: owon_ble_client
-          service_uuid: "0000fff0-0000-1000-8000-00805f9b34fb"
-          characteristic_uuid: "0000fff3-0000-1000-8000-00805f9b34fb"
-          value: !lambda "return std::vector<uint8_t>({4, 0x01});"
-
-  - platform: template
-    name: "OWON HZ | DUTY"
-    id: owon_btn_hz
-    on_press:
-      - ble_client.ble_write:
-          id: owon_ble_client
-          service_uuid: "0000fff0-0000-1000-8000-00805f9b34fb"
-          characteristic_uuid: "0000fff3-0000-1000-8000-00805f9b34fb"
-          value: !lambda "return std::vector<uint8_t>({5, 0x01});"
-
-  - platform: template
-    name: "OWON MAX | MIN"
-    id: owon_btn_maxmin
-    on_press:
-      - ble_client.ble_write:
-          id: owon_ble_client
-          service_uuid: "0000fff0-0000-1000-8000-00805f9b34fb"
-          characteristic_uuid: "0000fff3-0000-1000-8000-00805f9b34fb"
-          value: !lambda "return std::vector<uint8_t>({6, 0x01});"

esphome/livingroom.yaml

@@ -53,11 +53,16 @@ esp32:
   board: nodemcu-32s
   framework:
     type: esp-idf
+    advanced: 
+      minimum_chip_revision: "3.0"
+
+network:
+  enable_ipv6: true
 
 wifi:
   ssid: "Voltage-legacy"
   password: !secret voltage_legacy_psk
-  use_address: ${name}.home  
+  # use_address: ${name}.home  
   power_save_mode: high
   fast_connect: on
   min_auth_mode: WPA2

esphome/m5stack-atom-echo.yaml

@@ -26,12 +26,15 @@ ota:
     id: ota_esphome
     password: !secret ota
 
+network:
+  enable_ipv6: true
+
 wifi:
   on_connect:
     - delay: 5s  # Gives time for improv results to be transmitted
   ssid: Voltage-legacy
   password: !secret voltage_legacy_psk
-  use_address: ${name}.home
+  #use_address: ${name}.home
   power_save_mode: high
   fast_connect: on
   min_auth_mode: WPA2

esphome/raspiaudio-muse-luxe.yaml

@@ -25,10 +25,13 @@ external_components:
       components: [es8388]
       refresh: 0s
 
+network:
+  enable_ipv6: true
+
 wifi:
   ssid: Voltage-legacy
   password: !secret voltage_legacy_psk
-  use_address: ${name}.home
+  #use_address: ${name}.home
   power_save_mode: high
   fast_connect: on
   min_auth_mode: WPA2

esphome/riden-labornetzteil-18a.yaml

@@ -50,10 +50,13 @@ esphome:
 esp8266:
   board: esp12e
 
+network:
+  enable_ipv6: true
+
 wifi:
   ssid: "Voltage-legacy"
   password: !secret voltage_legacy_psk
-  use_address: riden-labornetzteil-18a.home  
+  #use_address: riden-labornetzteil-18a.home  
   power_save_mode: high
   fast_connect: on
   min_auth_mode: WPA2

esphome/riden-labornetzteil-6a.yaml

@@ -50,10 +50,13 @@ esphome:
 esp8266:
   board: esp12e
 
+network:
+  enable_ipv6: true
+
 wifi:
   ssid: "Voltage-legacy"
   password: !secret voltage_legacy_psk
-  use_address: riden-labornetzteil-6a.home  
+  #use_address: riden-labornetzteil-6a.home  
   power_save_mode: high
   fast_connect: on
   min_auth_mode: WPA2

esphome/serverroom.yaml

@@ -16,10 +16,13 @@ esp32:
   framework:
     type: esp-idf
 
+network:
+  enable_ipv6: true
+
 wifi:
   ssid: "Voltage-legacy"
   password: !secret voltage_legacy_psk
-  use_address: serverroom.home  
+  #use_address: serverroom.home  
   power_save_mode: high
   fast_connect: on
   min_auth_mode: WPA2

recorder.yaml

@@ -36,8 +36,6 @@ exclude:
       - sensor.time
       - sensor.awtrix_kitchen_current_app
       - sensor.awtrix_desk_current_app
-    - sensor.owon_b35t_multimeter_core2_owon_b35t_multimeter_core2_reading
-    - sensor.owon_b35t_multimeter_core2_owon_b35t_multimeter_core2_mode
-    - sensor.owon_b35t_multimeter_core2_owon_b35t_multimeter_core2_unit
 #    event_types:
 #      - call_service # Don't record service calls
+