mcu-nspanel-office-j: dim the display at night like the bedroom panel

Inactive display dim follows the sun (5 % by day, off after dusk at
-6 degrees) and stays at 5 % while light.office_j_lights is on.
Re-applied on time sync, at dawn/dusk and when the lights change.

assets/images/made-for-esphome-black-on-white.svg

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assets/images/made-for-esphome-white-on-black.svg

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common/common.yaml

@@ -24,8 +24,8 @@ text_sensor:
   # - <<: !include text_sensor/uptime.yaml
   - <<: !include text_sensor/wifi_info.yaml
 
-# time:
+time:
-#.  - <<: !include time/homeassistant.yaml
+  - <<: !include time/homeassistant.yaml
 
 network:
   enable_ipv6: true

common/common_dev.yaml

@@ -24,5 +24,8 @@ text_sensor:
   - <<: !include text_sensor/version.yaml
   - <<: !include text_sensor/wifi_info.yaml
 
+time:
+  - <<: !include time/homeassistant.yaml
+
 network:
   enable_ipv6: true

common/common_esp8266.yaml

@@ -23,5 +23,8 @@ text_sensor:
   - <<: !include text_sensor/version.yaml
   - <<: !include text_sensor/wifi_info.yaml
 
+time:
+  - <<: !include time/homeassistant.yaml
+
 network:
   enable_ipv6: true

common/common_eth.yaml

@@ -21,5 +21,8 @@ text_sensor:
   - <<: !include text_sensor/version.yaml
   - <<: !include text_sensor/ethernet_info.yaml
 
+time:
+  - <<: !include time/homeassistant.yaml
+
 network:
   enable_ipv6: true

common/common_wo_debug.yaml

@@ -27,3 +27,6 @@ text_sensor:
   - <<: !include text_sensor/git_ref.yaml
   - <<: !include text_sensor/version.yaml
   - <<: !include text_sensor/wifi_info.yaml
+
+time:
+  - <<: !include time/homeassistant.yaml

include/m5paper_weather.h

@@ -0,0 +1,176 @@
+#pragma once
+// Hourly weather forecast for mcu-m5paper: parsed from the weather.get_forecasts
+// response and kept in the on-board FM24C02 EEPROM (256 B, I2C 0x50), so it
+// survives the power-off between RTC wake-ups.
+
+#include <cmath>
+#include <cstdio>
+#include <cstring>
+
+#include "esphome/components/i2c/i2c_bus.h"
+#include "esphome/components/json/json_util.h"
+#include "esphome/core/hal.h"
+
+namespace m5paper_weather {
+
+static constexpr uint8_t EEPROM_ADDR = 0x50;
+static constexpr uint8_t EEPROM_PAGE = 8;
+static constexpr uint8_t MAGIC = 0xA5;
+static constexpr uint8_t VERSION = 1;
+static constexpr uint8_t MAX_HOURS = 48;
+// magic, version, fetched_at (u32), first_ts (u32), count
+static constexpr size_t HEADER = 11;
+static constexpr size_t MAX_SIZE = HEADER + MAX_HOURS * 4;
+static_assert(MAX_SIZE <= 256, "forecast does not fit into the EEPROM");
+
+static constexpr uint8_t NO_VALUE = 0xFF;
+static constexpr int8_t NO_TEMP = INT8_MIN;
+
+struct Hour {
+  uint8_t cond;   // index into CONDITIONS, NO_VALUE if unknown
+  int8_t temp2;   // temperature in 0.5 °C, NO_TEMP if unknown
+  uint8_t wind;   // km/h, NO_VALUE if unknown
+  uint8_t pop;    // precipitation probability %, NO_VALUE if unknown
+};
+static_assert(sizeof(Hour) == 4, "Hour must stay 4 bytes");
+
+struct Forecast {
+  uint32_t fetched_at{0};  // UTC epoch of the download
+  uint32_t first_ts{0};    // UTC epoch of hours[0]; entries are 1 h apart
+  uint8_t count{0};
+  Hour hours[MAX_HOURS]{};
+
+  bool valid() const { return this->count > 0; }
+  // hour covering the given UTC epoch, nullptr if outside the forecast
+  const Hour *at(uint32_t ts) const {
+    if (!this->valid() || ts < this->first_ts)
+      return nullptr;
+    uint32_t idx = (ts - this->first_ts) / 3600;
+    return idx < this->count ? &this->hours[idx] : nullptr;
+  }
+};
+
+// the forecast in RAM, loaded from the EEPROM at boot
+inline Forecast &forecast() {
+  static Forecast fc;
+  return fc;
+}
+
+// Home Assistant weather conditions; the index is the stored condition code
+static const char *const CONDITIONS[] = {
+    "clear-night", "cloudy", "exceptional", "fog",         "hail",  "lightning",   "lightning-rainy", "partlycloudy",
+    "pouring",     "rainy",  "snowy",       "snowy-rainy", "sunny", "windy",       "windy-variant",
+};
+static const char *const CONDITION_NAMES[] = {
+    "Jasno",  "Oblačno", "Extrémne počasie", "Hmla",           "Krupobitie", "Búrka",   "Búrka s dažďom", "Polooblačno",
+    "Lejak",  "Dážď",    "Sneženie",         "Dážď so snehom", "Slnečno",    "Veterno", "Veterno, oblačno",
+};
+static constexpr uint8_t NUM_CONDITIONS = sizeof(CONDITIONS) / sizeof(CONDITIONS[0]);
+
+inline uint8_t condition_code(const char *name) {
+  for (uint8_t i = 0; i < NUM_CONDITIONS; i++) {
+    if (strcmp(name, CONDITIONS[i]) == 0)
+      return i;
+  }
+  return NO_VALUE;
+}
+
+inline const char *condition_name(uint8_t code) { return code < NUM_CONDITIONS ? CONDITION_NAMES[code] : "?"; }
+
+// days since 1970-01-01 for a proleptic Gregorian date (H. Hinnant's algorithm)
+inline int32_t days_from_civil(int y, int m, int d) {
+  y -= m <= 2;
+  const int era = (y >= 0 ? y : y - 399) / 400;
+  const int yoe = y - era * 400;
+  const int doy = (153 * (m + (m > 2 ? -3 : 9)) + 2) / 5 + d - 1;
+  const int doe = yoe * 365 + yoe / 4 - yoe / 100 + doy;
+  return era * 146097 + doe - 719468;
+}
+
+// "2026-09-27T16:00:00+00:00" -> UTC epoch, 0 on error
+inline uint32_t parse_iso8601(const char *s) {
+  int y, mo, d, h, mi, sec = 0, oh = 0, om = 0;
+  char sign = '+';
+  int n = sscanf(s, "%d-%d-%dT%d:%d:%d%c%d:%d", &y, &mo, &d, &h, &mi, &sec, &sign, &oh, &om);
+  if (n < 5)
+    return 0;
+  int64_t ts = int64_t(days_from_civil(y, mo, d)) * 86400 + h * 3600 + mi * 60 + sec;
+  if (n >= 8 && (sign == '+' || sign == '-')) {
+    int64_t offset = oh * 3600 + om * 60;
+    ts += sign == '+' ? -offset : offset;
+  }
+  return ts > 0 ? uint32_t(ts) : 0;
+}
+
+// Parse the weather.get_forecasts response for the given entity;
+// Home Assistant wraps the action response as {"response": {...}}
+inline bool parse(ArduinoJson::JsonObjectConst response, const char *entity, uint32_t now, Forecast &fc) {
+  ArduinoJson::JsonObjectConst root = response["response"].is<ArduinoJson::JsonObjectConst>()
+                                          ? response["response"].as<ArduinoJson::JsonObjectConst>()
+                                          : response;
+  ArduinoJson::JsonArrayConst items = root[entity]["forecast"];
+  if (items.isNull() || items.size() == 0)
+    return false;
+
+  Forecast out;
+  for (ArduinoJson::JsonObjectConst item : items) {
+    if (out.count >= MAX_HOURS)
+      break;
+    if (out.count == 0) {
+      out.first_ts = parse_iso8601(item["datetime"] | "");
+      if (out.first_ts == 0)
+        return false;
+    }
+    Hour &hour = out.hours[out.count++];
+    hour.cond = condition_code(item["condition"] | "");
+    float temp = item["temperature"] | NAN;
+    hour.temp2 = std::isnan(temp) ? NO_TEMP : int8_t(std::max(-127L, std::min(127L, lroundf(temp * 2))));
+    float wind = item["wind_speed"] | NAN;
+    hour.wind = std::isnan(wind) ? NO_VALUE : uint8_t(std::max(0L, std::min(254L, lroundf(wind))));
+    float pop = item["precipitation_probability"] | NAN;
+    hour.pop = std::isnan(pop) ? NO_VALUE : uint8_t(std::max(0L, std::min(100L, lroundf(pop))));
+  }
+  out.fetched_at = now;
+  fc = out;
+  return true;
+}
+
+inline bool load(esphome::i2c::I2CBus *bus, Forecast &fc) {
+  uint8_t buf[MAX_SIZE];
+  const uint8_t start = 0;
+  fc.count = 0;
+  if (bus->write_readv(EEPROM_ADDR, &start, 1, buf, sizeof(buf)) != esphome::i2c::ERROR_OK)
+    return false;
+  if (buf[0] != MAGIC || buf[1] != VERSION)
+    return false;
+  memcpy(&fc.fetched_at, buf + 2, 4);
+  memcpy(&fc.first_ts, buf + 6, 4);
+  fc.count = std::min(buf[10], MAX_HOURS);
+  memcpy(fc.hours, buf + HEADER, fc.count * sizeof(Hour));
+  return true;
+}
+
+inline bool save(esphome::i2c::I2CBus *bus, const Forecast &fc) {
+  uint8_t buf[MAX_SIZE];
+  buf[0] = MAGIC;
+  buf[1] = VERSION;
+  memcpy(buf + 2, &fc.fetched_at, 4);
+  memcpy(buf + 6, &fc.first_ts, 4);
+  buf[10] = fc.count;
+  memcpy(buf + HEADER, fc.hours, fc.count * sizeof(Hour));
+  const size_t len = HEADER + fc.count * sizeof(Hour);
+
+  // page writes must not cross an 8-byte page boundary; 5 ms write cycle per page
+  for (size_t off = 0; off < len; off += EEPROM_PAGE) {
+    uint8_t page[EEPROM_PAGE + 1];
+    const size_t n = std::min<size_t>(EEPROM_PAGE, len - off);
+    page[0] = uint8_t(off);
+    memcpy(page + 1, buf + off, n);
+    if (bus->write(EEPROM_ADDR, page, n + 1) != esphome::i2c::ERROR_OK)
+      return false;
+    esphome::delay(6);
+  }
+  return true;
+}
+
+}  // namespace m5paper_weather

mcu-atoms3.yaml

@@ -491,8 +491,7 @@ sensor:
   #   name: Dallas Temp 4
   #   one_wire_id: hub_1
 
-time:
+# time:
-  - !include common/time/homeassistant.yaml
   # - platform: sntp
   #   id: sntp_time
   #   timezone: Europe/Bratislava

mcu-basement.yaml

@@ -139,8 +139,7 @@ switch:
     id: relay_2
 
 time:
-  - platform: homeassistant
+  - id: !extend ha_time
-    timezone: Europe/Bratislava
     on_time:
       - seconds: 0
         minutes: /15

mcu-cec-bedroom.yaml

@@ -31,11 +31,6 @@ packages:
 
 debug:
 
-time:
-  - platform: homeassistant
-    id: ha_time
-    timezone: Europe/Bratislava
-
 i2c:
   # - id: i2c0
   sda: 32

mcu-clock-1.yaml

@@ -109,11 +109,6 @@ globals:
     restore_value: no
     initial_value: "false"
 
-time:
-  - platform: homeassistant
-    id: ha_time
-    timezone: Europe/Bratislava
-
 display:
   - platform: tm1637
     id: tm1637_display

mcu-clock-living-room.yaml

@@ -51,11 +51,6 @@ globals:
     restore_value: no
     initial_value: "false"
 
-time:
-  - platform: homeassistant
-    id: ha_time
-    timezone: Europe/Bratislava
-
 binary_sensor:
   - platform: gpio
     name: Button

mcu-eworkbench.yaml

@@ -242,11 +242,6 @@ binary_sensor:
 #     on_clockwise:
 #       - display_menu.down:
 
-time:
-  - platform: homeassistant
-    id: ha_time
-    timezone: Europe/Bratislava
-
 # display:
 #   - platform: tm1637
 #     id: tm1637_display

mcu-fireplace.yaml

@@ -44,11 +44,6 @@ packages:
 # Relay1    G22
 # Relay2    G19
 
-time:
-  - platform: homeassistant
-    id: ha_time
-    timezone: Europe/Bratislava
-
 i2c:
   # - id: i2c0
   #   sda: 26

mcu-heater.yaml

@@ -129,9 +129,7 @@ globals:
     initial_value: '20.5'
 
 time:
-  - platform: homeassistant
+  - id: !extend ha_time
-    id: ha_time
-    timezone: Europe/Bratislava
     on_time:
       - seconds: 0
         minutes: /1

mcu-kitchen.yaml

@@ -55,11 +55,6 @@ api:
 # Relay1    G22
 # Relay2    G19
 
-time:
-  - platform: homeassistant
-    id: ha_time
-    timezone: Europe/Bratislava
-
 i2c:
   # - id: i2c0
   #   sda: 26

mcu-lvgl-trainer.yaml

@@ -4,6 +4,13 @@ substitutions:
   name: Trainer Display
   area: Basement
   comment: "${area} | Pain Cave"
+  light_basement: light.mcu_basement_2_light
+  light_workbench: light.mcu_basement_2_workbench_light
+  light_exercise: light.exercise_room
+  fan: light.mcu_dimmer_exercise_room_fan
+
+# Pages (480x320, navigation bar at the bottom):
+# clock, lights, training, fan, stopwatch, status
 
 esphome:
   name: mcu-${device}
@@ -17,7 +24,6 @@ esp32:
   framework:
     type: esp-idf
 
-
 packages:
   common: !include common/common.yaml
 
@@ -36,71 +42,17 @@ spi:
   clk_pin: 47
   data_pins: [21, 48, 40, 39]
 
-color:
-  - id: my_red
-    red: 100%
-    green: 0%
-    blue: 0%
-  - id: my_orange
-    red: 100%
-    green: 50%
-    blue: 0%
-  - id: my_yellow
-    red: 100%
-    green: 100%
-    blue: 0%
-  - id: my_green
-    red: 0%
-    green: 100%
-    blue: 0%
-  - id: my_blue
-    red: 0%
-    green: 0%
-    blue: 100%
-  - id: my_teal
-    red: 0%
-    green: 100%
-    blue: 100%
-  - id: my_gray
-    red: 70%
-    green: 70%
-    blue: 70%
-  - id: my_white
-    red: 100%
-    green: 100%
-    blue: 100%
-
-font:
-  - file: "gfonts://Roboto"
-    id: Roboto_48
-    size: 48
-  - file: "gfonts://Roboto"
-    id: Roboto_36
-    size: 36
-  - file: "gfonts://Roboto"
-    id: Roboto_24
-    size: 24
-  - file: "gfonts://Roboto"
-    id: Roboto_12
-    size: 12
-  - file: "gfonts://Roboto"
-    id: font_std
-    size: 40
-    glyphs: "!\"%()+=,-_.:°0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz/\\[]|&@#'"
-  - file: "gfonts://Roboto@700"
-    id: font_title
-    size: 40
-    glyphs: "!\"%()+=,-_.:°0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz/\\[]|&@#'"
-
 globals:
-  - id: bgcolor
+  # stopwatch: accumulated time of finished runs + start of the current run
-    type: Color
+  - id: sw_running
-    initial_value: "Color::random_color()"
+    type: bool
-
+    initial_value: 'false'
-# power_supply:
+  - id: sw_start
-#   id: main_backlight
+    type: uint32_t
-#   pin: 1
+    initial_value: '0'
-#   enable_on_boot: true
+  - id: sw_accum
+    type: uint32_t
+    initial_value: '0'
 
 output:
   - platform: ledc
@@ -119,7 +71,6 @@ display:
   - platform: mipi_spi
     model: AXS15231
     data_rate: 40MHz #20mhz is default
-    #spi_mode: MODE2
     id: main_display
     spi_id: display_qspi
     dimensions:
@@ -127,11 +78,6 @@ display:
       width: 320
     cs_pin: 45
     auto_clear_enabled: false
-    # show_test_card: true
-    # lambda: |-
-    #   it.fill(id(bgcolor));
-    #   it.print(it.get_width()/2, it.get_height()/2-20, id(font_title), TextAlign::CENTER, "ESPHome");
-    #   it.print(it.get_width()/2, it.get_height()/2+20, id(font_std), TextAlign::CENTER, "@UTBDK");
 
 touchscreen:
   - platform: axs15231
@@ -142,27 +88,8 @@ touchscreen:
     # interrupt_pin:
     # number: 3
     # ignore_strapping_warning: true
-    calibration:
+    # no calibration/transform: the driver defaults to the native 320x480 panel and
-      x_min: 0
+    # LVGL applies its own rotation to touch points
-      x_max: 479
-      y_min: 0
-      y_max: 319
-    transform:
-      swap_xy: true
-      mirror_x: false
-      mirror_y: true
-    # on_touch:
-    #   - lambda: |-
-    #       Color newColor;
-    #       do { newColor =  Color::random_color(); } while (newColor == id(bgcolor));
-    #       id(bgcolor) = newColor;
-
-    #       ESP_LOGI("cal", "x=%d, y=%d, x_raw=%d, y_raw=%0d",
-    #         touch.x,
-    #         touch.y,
-    #         touch.x_raw,
-    #         touch.y_raw
-    #       );
     on_release:
       - if:
           condition: lvgl.is_paused
@@ -183,107 +110,596 @@ uart:
 
 binary_sensor:
   - platform: homeassistant
-    id: exercise_room_light
+    id: basement_light
-    entity_id: light.exercise_room
+    entity_id: ${light_basement}
     trigger_on_initial_state: true
     on_state:
-      then:
+      - lvgl.widget.update:
-        lvgl.widget.update:
+          id: basement_light_btn
-          id: exercise_room_light_btn
           state:
             checked: !lambda return x;
   - platform: homeassistant
-    id: exercise_room_fan
+    id: workbench_light
-    entity_id: light.mcu_dimmer_exercise_room_fan
+    entity_id: ${light_workbench}
     trigger_on_initial_state: true
     on_state:
-      then:
+      - lvgl.widget.update:
-        lvgl.widget.update:
+          id: workbench_light_btn
-          id: exercise_room_fan_btn
           state:
             checked: !lambda return x;
+  - platform: homeassistant
+    id: exercise_light
+    entity_id: ${light_exercise}
+    trigger_on_initial_state: true
+    on_state:
+      - lvgl.widget.update:
+          id: exercise_light_btn
+          state:
+            checked: !lambda return x;
+      # brightness and color temperature only make sense while the light is on
+      - if:
+          condition:
+            lambda: return x;
+          then:
+            - lvgl.widget.show: exercise_controls
+          else:
+            - lvgl.widget.hide: exercise_controls
+  - platform: homeassistant
+    id: fan_on
+    entity_id: ${fan}
+    trigger_on_initial_state: true
+    on_state:
+      - script.execute: update_fan_buttons
+
+sensor:
+  - platform: homeassistant
+    id: fan_brightness
+    entity_id: ${fan}
+    attribute: brightness
+    on_value:
+      - script.execute: update_fan_buttons
+
+text_sensor:
+  # light attributes read as text: they are 'None' while the light is off
+  - platform: homeassistant
+    id: exercise_brightness
+    entity_id: ${light_exercise}
+    attribute: brightness
+    on_value:
+      - if:
+          condition:
+            lambda: return parse_number<float>(x).has_value();
+          then:
+            - lvgl.slider.update:
+                id: exercise_brightness_slider
+                value: !lambda return roundf(*parse_number<float>(x) * 100.0f / 255.0f);
+  - platform: homeassistant
+    id: exercise_color_temp
+    entity_id: ${light_exercise}
+    attribute: color_temp_kelvin
+    on_value:
+      - if:
+          condition:
+            lambda: return parse_number<float>(x).has_value();
+          then:
+            - lvgl.slider.update:
+                id: exercise_color_temp_slider
+                value: !lambda return *parse_number<float>(x);
+  # a running automation (e.g. its delay) has current > 0
+  - platform: homeassistant
+    id: training_start_running
+    entity_id: automation.zwift_enable_fan
+    attribute: current
+    on_value:
+      - script.execute: update_training_status
+  - platform: homeassistant
+    id: training_stop_running
+    entity_id: automation.zwift_disable_fan
+    attribute: current
+    on_value:
+      - script.execute: update_training_status
+
+script:
+  - id: update_fan_buttons
+    then:
+      - lambda: |-
+          // fan level rounded to the 10 % steps of the buttons, 0 = off
+          int pct = 0;
+          if (id(fan_on).state && !std::isnan(id(fan_brightness).state))
+            pct = (int) roundf(id(fan_brightness).state * 10.0f / 255.0f) * 10;
+          const int levels[] = {0, 50, 60, 70, 80, 90, 100};
+          lv_obj_t *matrix = id(fan_matrix)->obj;
+          for (int i = 0; i < 7; i++) {
+            if (levels[i] == pct)
+              lv_buttonmatrix_set_button_ctrl(matrix, i, LV_BUTTONMATRIX_CTRL_CHECKED);
+            else
+              lv_buttonmatrix_clear_button_ctrl(matrix, i, LV_BUTTONMATRIX_CTRL_CHECKED);
+          }
+      - lvgl.label.update:
+          id: fan_status_label
+          text: !lambda |-
+            if (!id(fan_on).state)
+              return std::string("Ventilátor vypnutý");
+            if (std::isnan(id(fan_brightness).state))
+              return std::string("Ventilátor zapnutý");
+            return str_sprintf("Ventilátor %.0f %%", id(fan_brightness).state * 100.0f / 255.0f);
+
+  - id: update_training_status
+    then:
+      - lvgl.label.update:
+          id: training_status_label
+          text: !lambda |-
+            if (id(training_start_running).state != "0" && !id(training_start_running).state.empty())
+              return std::string("Tréning sa spúšťa, ventilátor sa zapne o 10 min");
+            if (id(training_stop_running).state != "0" && !id(training_stop_running).state.empty())
+              return std::string("Tréning sa ukončuje, ventilátor sa vypne o 2 min");
+            return std::string("");
+
+  - id: update_stopwatch
+    then:
+      - lvgl.label.update:
+          id: stopwatch_label
+          text: !lambda |-
+            const uint32_t ms = id(sw_accum) + (id(sw_running) ? millis() - id(sw_start) : 0);
+            const uint32_t s = ms / 1000;
+            if (s >= 3600)
+              return str_sprintf("%u:%02u:%02u", s / 3600, (s / 60) % 60, s % 60);
+            return str_sprintf("%02u:%02u.%u", s / 60, s % 60, (ms / 100) % 10);
+      - lvgl.label.update:
+          id: stopwatch_start_label
+          text: !lambda |-
+            return std::string(id(sw_running) ? "Stop" : "Štart");
+
+  - id: update_status
+    then:
+      - lvgl.label.update:
+          id: status_label
+          text: !lambda |-
+            std::string out;
+            if (wifi::global_wifi_component->is_connected()) {
+              out = str_sprintf("WiFi: connected  (%d dBm)", wifi::global_wifi_component->wifi_rssi());
+              // IPv6 first (skip link-local), then IPv4
+              char buf[network::IP_ADDRESS_BUFFER_SIZE];
+              for (bool v6 : {true, false}) {
+                for (auto &ip : wifi::global_wifi_component->get_ip_addresses()) {
+                  if (!ip.is_set() || ip.is_ip6() != v6)
+                    continue;
+                  ip.str_to(buf);
+                  if (v6 && strncmp(buf, "fe80", 4) == 0)
+                    continue;
+                  out += "\n    ";
+                  out += buf;
+                }
+              }
+            } else {
+              out = "WiFi: connecting...";
+            }
+            out += api::global_api_server->is_connected_with_state_subscription() ? "\nHome Assistant: connected"
+                                                                                  : "\nHome Assistant: waiting...";
+            const uint32_t up = millis() / 1000;
+            out += str_sprintf("\nESPHome %s  ·  up %ud %02u:%02u", ESPHOME_VERSION, up / 86400, (up / 3600) % 24,
+                               (up / 60) % 60);
+            return out;
+
+interval:
+  - interval: 1s
+    then:
+      - lvgl.label.update:
+          id: clock_label
+          text: !lambda |-
+            auto now = id(ha_time).now();
+            if (!now.is_valid())
+              return std::string("--:--:--");
+            return now.strftime("%H:%M:%S");
+  - interval: 100ms
+    then:
+      - if:
+          condition:
+            and:
+              - lambda: return id(sw_running);
+              - lvgl.page.is_showing: stopwatch_page
+          then:
+            - script.execute: update_stopwatch
+  - interval: 2s
+    then:
+      - if:
+          condition:
+            lvgl.page.is_showing: status_page
+          then:
+            - script.execute: update_status
+
+image:
+  - platform: file
+    file: assets/images/made-for-esphome-white-on-black.svg
+    id: esphome_logo
+    resize: 280x83
+    type: RGB565
+    transparency: alpha_channel
+
+font:
+  - file: "gfonts://Roboto@500"
+    id: font_digits
+    size: 110
+    glyphs: "0123456789:.-"
+  - file: "gfonts://Roboto"
+    id: font_ui
+    size: 24
+    glyphs: &sk_glyphs "ÁÄČĎÉÍĹĽŇÓÔŔŠŤÚÝŽáäčďéíĺľňóôŕšťúýž°·"
+    glyphsets: [GF_Latin_Kernel]
+  - file: "gfonts://Roboto@500"
+    id: font_button
+    size: 34
+    glyphs: *sk_glyphs
+    glyphsets: [GF_Latin_Kernel]
+  - file: "gfonts://Roboto"
+    id: font_small
+    size: 18
+    glyphs: *sk_glyphs
+    glyphsets: [GF_Latin_Kernel]
 
 lvgl:
   rotation: 90
   buffer_size: 100%
   log_level: WARN
   color_depth: 16
-  default_font: montserrat_18
+  default_font: font_ui
-  #   on_idle:
+  bg_color: 0x000000
-  #     - timeout: !lambda "return (id(display_timeout).state * 1000);"
+  text_color: 0xFFFFFF
-  #       then:
+  theme:
-  #         - logger.log: "LVGL is idle"
+    button:
-  #         - light.turn_off:
+      bg_color: 0x2B2F36
-  #             id: display_backlight
+      radius: 12
-  #             transition_length: 2500ms
+      checked:
-  #         - lvgl.pause:
+        bg_color: 0xE08A00
+    buttonmatrix:
+      bg_opa: TRANSP
+      border_width: 0
+      items:
+        bg_color: 0x2B2F36
+        text_color: 0xFFFFFF
+        radius: 12
+        checked:
+          bg_color: 0xE08A00
+    slider:
+      bg_color: 0x2B2F36
+      indicator:
+        bg_color: 0xE08A00
+      knob:
+        bg_color: 0xFFFFFF
   top_layer:
     widgets:
       - buttonmatrix:
+          id: nav_bar
           align: bottom_mid
-          # styles: header_footer
+          width: 100%
-          pad_all: 0
+          height: 56
-          outline_width: 0
+          pad_all: 4
-          id: top_layer
+          pad_column: 6
-          # items:
+          items:
-          #   styles: header_footer
+            text_font: montserrat_28
           rows:
             - buttons:
                 - id: page_prev
-                  text: "\uF053"
+                  text: ""
                   on_press:
                     then:
                       lvgl.page.previous:
                 - id: page_home
-                  text: "\uF015"
+                  text: ""
                   on_press:
                     then:
-                      lvgl.page.show: main_page
+                      lvgl.page.show: clock_page
                 - id: page_next
-                  text: "\uF054"
+                  text: ""
                   on_press:
                     then:
                       lvgl.page.next:
   pages:
-    - id: main_page
+    # 1: clock (default after boot)
+    - id: clock_page
       widgets:
         - label:
-            text: "ESPHome LVGL Display"
+            id: clock_label
             align: CENTER
-            text_align: CENTER
+            y: -28
-            text_color: 0xFFFFFF
+            text_font: font_digits
-    - id: excercise_page
+            text: "--:--:--"
+
+    # 2: basement lights
+    - id: lights_page
+      pad_all: 10
       widgets:
-        - label:
-            align: CENTER
-            text: 'Hello World!'
         - button:
-            id: exercise_room_light_btn
+            id: basement_light_btn
             align: TOP_LEFT
-            width: 100
+            width: 148
-            height: 70
+            height: 80
             checkable: true
             widgets:
               - label:
                   align: CENTER
-                text: 'Light'
+                  text: "Pivnica"
             on_click:
               - homeassistant.action:
                   action: light.toggle
                   data:
-                    entity_id: light.exercise_room
+                    entity_id: ${light_basement}
         - button:
-            id: exercise_room_fan_btn
+            id: workbench_light_btn
-            align: TOP_RIGHT
+            align: TOP_MID
-            width: 100
+            width: 148
-            height: 70
+            height: 80
             checkable: true
             widgets:
               - label:
                   align: CENTER
-                text: 'Fan'
+                  text: "Pracovný stôl"
             on_click:
               - homeassistant.action:
                   action: light.toggle
                   data:
-                    entity_id: light.mcu_dimmer_exercise_room_fan
+                    entity_id: ${light_workbench}
+        - button:
+            id: exercise_light_btn
+            align: TOP_RIGHT
+            width: 148
+            height: 80
+            checkable: true
+            widgets:
+              - label:
+                  align: CENTER
+                  text: "Posilka"
+            on_click:
+              - homeassistant.action:
+                  action: light.toggle
+                  data:
+                    entity_id: ${light_exercise}
+        - obj:
+            id: exercise_controls
+            hidden: true
+            y: 110
+            width: 460
+            height: 120
+            pad_all: 0
+            bg_opa: TRANSP
+            border_width: 0
+            scrollbar_mode: "OFF"
+            widgets:
+              - label:
+                  x: 4
+                  y: 0
+                  text_font: font_small
+                  text: "Posilka jas"
+              - slider:
+                  id: exercise_brightness_slider
+                  x: 14
+                  y: 32
+                  width: 430
+                  height: 16
+                  min_value: 1
+                  max_value: 100
+                  value: 100
+                  on_release:
+                    - homeassistant.action:
+                        action: light.turn_on
+                        data:
+                          entity_id: ${light_exercise}
+                          brightness_pct: !lambda return (int) x;
+              - label:
+                  x: 4
+                  y: 62
+                  text_font: font_small
+                  text: "Posilka teplota  (2700 – 6500 K)"
+              - slider:
+                  id: exercise_color_temp_slider
+                  x: 14
+                  y: 94
+                  width: 430
+                  height: 16
+                  min_value: 2700
+                  max_value: 6500
+                  value: 2700
+                  on_release:
+                    - homeassistant.action:
+                        action: light.turn_on
+                        data:
+                          entity_id: ${light_exercise}
+                          color_temp_kelvin: !lambda return (int) x;
+
+    # 3: training start / stop
+    - id: training_page
+      pad_all: 10
+      widgets:
+        - button:
+            align: TOP_LEFT
+            y: 10
+            width: 222
+            height: 150
+            bg_color: 0x1E7D32
+            widgets:
+              - label:
+                  align: CENTER
+                  text_font: font_button
+                  text: "Štart"
+            on_click:
+              - homeassistant.action:
+                  action: automation.trigger
+                  data:
+                    entity_id: automation.zwift_enable_fan
+        - button:
+            align: TOP_RIGHT
+            y: 10
+            width: 222
+            height: 150
+            bg_color: 0xB71C1C
+            widgets:
+              - label:
+                  align: CENTER
+                  text_font: font_button
+                  text: "Stop"
+            on_click:
+              - homeassistant.action:
+                  action: automation.trigger
+                  data:
+                    entity_id: automation.zwift_disable_fan
+        - label:
+            id: training_status_label
+            align: TOP_MID
+            y: 185
+            width: 440
+            text_align: CENTER
+            text_font: font_small
+            text: ""
+
+    # 4: fan
+    - id: fan_page
+      pad_all: 10
+      widgets:
+        - buttonmatrix:
+            id: fan_matrix
+            align: TOP_MID
+            width: 460
+            height: 180
+            pad_row: 8
+            pad_column: 8
+            one_checked: true
+            items:
+              text_font: font_button
+            rows:
+              - buttons:
+                  - text: "Vyp"
+                    control:
+                      checkable: true
+                    on_press:
+                      - homeassistant.action:
+                          action: light.turn_off
+                          data:
+                            entity_id: ${fan}
+                  - text: "50"
+                    control:
+                      checkable: true
+                    on_press:
+                      - homeassistant.action:
+                          action: light.turn_on
+                          data:
+                            entity_id: ${fan}
+                            brightness_pct: "50"
+                  - text: "60"
+                    control:
+                      checkable: true
+                    on_press:
+                      - homeassistant.action:
+                          action: light.turn_on
+                          data:
+                            entity_id: ${fan}
+                            brightness_pct: "60"
+                  - text: "70"
+                    control:
+                      checkable: true
+                    on_press:
+                      - homeassistant.action:
+                          action: light.turn_on
+                          data:
+                            entity_id: ${fan}
+                            brightness_pct: "70"
+              - buttons:
+                  - text: "80"
+                    control:
+                      checkable: true
+                    on_press:
+                      - homeassistant.action:
+                          action: light.turn_on
+                          data:
+                            entity_id: ${fan}
+                            brightness_pct: "80"
+                  - text: "90"
+                    control:
+                      checkable: true
+                    on_press:
+                      - homeassistant.action:
+                          action: light.turn_on
+                          data:
+                            entity_id: ${fan}
+                            brightness_pct: "90"
+                  - text: "100"
+                    control:
+                      checkable: true
+                    on_press:
+                      - homeassistant.action:
+                          action: light.turn_on
+                          data:
+                            entity_id: ${fan}
+                            brightness_pct: "100"
+        - label:
+            id: fan_status_label
+            align: TOP_MID
+            y: 200
+            text_font: font_small
+            text: ""
+
+    # 5: stopwatch
+    - id: stopwatch_page
+      pad_all: 10
+      widgets:
+        - label:
+            id: stopwatch_label
+            align: TOP_MID
+            y: 10
+            text_font: font_digits
+            text: "00:00.0"
+        - button:
+            align: TOP_LEFT
+            y: 150
+            width: 222
+            height: 90
+            widgets:
+              - label:
+                  id: stopwatch_start_label
+                  align: CENTER
+                  text_font: font_button
+                  text: "Štart"
+            on_click:
+              - lambda: |-
+                  if (id(sw_running)) {
+                    id(sw_accum) += millis() - id(sw_start);
+                    id(sw_running) = false;
+                  } else {
+                    id(sw_start) = millis();
+                    id(sw_running) = true;
+                  }
+              - script.execute: update_stopwatch
+        - button:
+            align: TOP_RIGHT
+            y: 150
+            width: 222
+            height: 90
+            widgets:
+              - label:
+                  align: CENTER
+                  text_font: font_button
+                  text: "Reset"
+            on_click:
+              - lambda: |-
+                  id(sw_accum) = 0;
+                  id(sw_start) = millis();
+              - script.execute: update_stopwatch
+
+    # 6: status
+    - id: status_page
+      on_load:
+        - script.execute: update_status
+      widgets:
+        - image:
+            src: esphome_logo
+            align: TOP_MID
+            y: 8
+        - label:
+            align: TOP_MID
+            y: 96
+            text: "${name}"
+        - label:
+            id: status_label
+            x: 20
+            y: 130
+            text_font: font_small
+            text: ""

mcu-lvgl.yaml

@@ -158,10 +158,6 @@ text_sensor:
     icon: mdi:clock-start
     internal: True
 
-time:
-  - platform: homeassistant
-    id: time_comp
-
 number:
   - platform: template
     initial_value: 0

mcu-m5paper.yaml

@@ -4,94 +4,370 @@ substitutions:
   name: M5Paper
   area: DEV
   comment: M5Paper
+  weather_entity: weather.openweathermap
+
+# Power modes
+# - USB: always on, WiFi + API, forecast refreshed every hour and redrawn every 15 min
+# - battery: RTC wakes the board every 15 min (off 1:00-5:00), it draws the forecast
+#   from EEPROM and powers itself off; WiFi only to refresh the forecast every 6 h
+# Screens: status (after power-on, until Home Assistant connects) and forecast
+# The mode is detected by trying to power off: on USB the board keeps running.
 
 esphome:
   name: mcu-${device}
   friendly_name: ${name}
   area: ${area}
   comment: ${comment}
+  includes:
+    - include/m5paper_weather.h
+  on_boot:
+    - priority: 600
+      then:
+        - lambda: |-
+            // BM8563 CONTROL_STATUS_2: TF (bit 2) is set when the timer woke us up
+            const uint8_t reg = 0x01;
+            uint8_t status = 0;
+            if (id(i2c_main)->write_readv(0x51, &reg, 1, &status, 1) == i2c::ERROR_OK) {
+              id(rtc_wake) = status & 0x04;
+              // clear TF and TIE so the RTC releases the power latch
+              const uint8_t clear[2] = {reg, uint8_t(status & ~0x05)};
+              id(i2c_main)->write(0x51, clear, 2);
+            }
+            m5paper_weather::load(id(i2c_main), m5paper_weather::forecast());
+            ESP_LOGI("m5paper", "Wake-up: %s, forecast: %u h", id(rtc_wake) ? "RTC" : "power-on", m5paper_weather::forecast().count);
+    - priority: -100
+      then:
+        - if:
+            condition:
+              lambda: return id(rtc_wake);
+            then:
+              - script.execute: battery_cycle
+            else:
+              # power button / USB: stay awake for a while (logs, OTA), then decide the mode
+              - wifi.enable:
+              # IT8951 init runs asynchronously after setup
+              - delay: 3s
+              - component.update: m5paper_display
+              - delay: 2min
+              - script.execute: battery_cycle
 
 esp32:
   variant: esp32
   toolchain: esp-idf
   framework:
     type: esp-idf
+    advanced:
+      flash_chip: generic
+      minimum_chip_revision: 3.0
+      sram1_as_iram: true
 
 psram:
 
-external_components:
-  - source: github://Passific/m5paper_esphome
-
 packages:
   common: !include common/common.yaml
 
-time:
+globals:
-  - platform: homeassistant
+  - id: show_status
-    id: ha_time
+    type: bool
-    timezone: Europe/Bratislava
+    initial_value: 'true'
-    on_time_sync:
+  - id: usb_mode
-      - bm8563.write_time
+    type: bool
-  - platform: bm8563
+    initial_value: 'false'
-    id: rtc_time
+  - id: rtc_wake
-    sleep_duration: 3600000ms
+    type: bool
+    initial_value: 'false'
+  # battery cycle running: forecast screen regardless of the connection state
+  - id: weather_page
+    type: bool
+    initial_value: 'false'
+  - id: fetch_done
+    type: bool
+    initial_value: 'false'
+  - id: sleep_s
+    type: int
+    initial_value: '900'
 
-m5paper:
+wifi:
-  battery_power_pin: GPIO5
+  enable_on_boot: false
-  main_power_pin: GPIO2
+  on_connect:
-  # update_interval: 10s
+    - if:
-  # battery_voltage:
+        condition:
-  #   name: "${name} Battery"
+          lambda: return id(show_status) && !id(weather_page);
+        then:
+          - component.update: m5paper_display
 
+api:
+  # status screen until Home Assistant connects (log viewers don't subscribe to states)
+  on_client_connected:
+    - delay: 2s
+    - if:
+        condition:
+          api.connected:
+            state_subscription_only: true
+        then:
+          - lambda: id(show_status) = false;
+    - if:
+        condition:
+          lambda: return !id(weather_page);
+        then:
+          - component.update: m5paper_display
+    # outside the battery cycle: refresh a forecast older than an hour
+    - if:
+        condition:
+          and:
+            - lambda: |-
+                const auto &fc = m5paper_weather::forecast();
+                const auto now = id(rtc_time).now();
+                return !id(weather_page) && (!fc.valid() || !now.is_valid() || now.timestamp - fc.fetched_at >= 3600);
+            - api.connected:
+                state_subscription_only: true
+        then:
+          - script.execute: fetch_forecast
+  on_client_disconnected:
+    - if:
+        condition:
+          not:
+            api.connected:
+              state_subscription_only: true
+        then:
+          - lambda: id(show_status) = true;
+          - if:
+              condition:
+                lambda: return !id(weather_page);
+              then:
+                - component.update: m5paper_display
+
+# I2C devices (i2c_main)
 # 0x44 SHT30
-# 0x50
+# 0x50 FM24C02 EEPROM (forecast storage, see include/m5paper_weather.h)
-# 0x51
+# 0x51 BM8563 RTC
-# 0x5D GT911
+# 0x5D GT911 touch (docs say 0x14; the driver tries 0x5D, then 0x14)
 
 i2c:
   - id: i2c_main
     sda: 21
     scl: 22
-    scan: true #false
+    scan: true
+  # Port A
   # - id: i2c_a
   #   sda: 25
   #   scl: 32
-  #   scan: true #false
+  # Port B
   # - id: i2c_b
   #   sda: 26
   #   scl: 33
-  #   scan: true #false
+  # Port C
   # - id: i2c_c
   #   sda: 18
   #   scl: 19
-  #   scan: true #false
 
 spi:
   clk_pin: 14
   miso_pin: 13
   mosi_pin: 12
 
+switch:
+  # Power control MOS (no PMU on M5Paper); on battery the device powers off when this goes low
+  - platform: gpio
+    id: main_power
+    pin:
+      number: GPIO2
+      ignore_strapping_warning: true
+    restore_mode: ALWAYS_ON
+    internal: true
+  # External power (Grove ports)
+  - platform: gpio
+    id: ext_power
+    pin:
+      number: GPIO5
+      ignore_strapping_warning: true
+    restore_mode: ALWAYS_ON
+    internal: true
+
+script:
+  # One wake-up on battery: refresh the forecast if it is old, draw it, power off
+  - id: battery_cycle
+    mode: single
+    then:
+      - lambda: id(weather_page) = true;
+      - wait_until:
+          condition:
+            lambda: return id(rtc_time).now().is_valid();
+          timeout: 10s
+      - if:
+          condition:
+            lambda: |-
+              const auto &fc = m5paper_weather::forecast();
+              const auto now = id(rtc_time).now();
+              return !fc.valid() || !now.is_valid() || now.timestamp - fc.fetched_at >= 6 * 3600 - 600;
+          then:
+            - wifi.enable:
+            - wait_until:
+                condition:
+                  api.connected:
+                    state_subscription_only: true
+                timeout: 45s
+            - if:
+                condition:
+                  api.connected:
+                    state_subscription_only: true
+                then:
+                  - script.execute: fetch_forecast
+                  - wait_until:
+                      condition:
+                        lambda: return id(fetch_done);
+                      timeout: 15s
+      - wait_until:
+          condition:
+            lambda: return !std::isnan(id(current_temperature).state);
+          timeout: 5s
+      - component.update: m5paper_display
+      # let the e-paper refresh finish before cutting power
+      - delay: 4s
+      - script.execute: try_sleep
+
+  - id: fetch_forecast
+    mode: single
+    then:
+      - lambda: id(fetch_done) = false;
+      - homeassistant.action:
+          action: weather.get_forecasts
+          data:
+            entity_id: ${weather_entity}
+            type: hourly
+          capture_response: true
+          on_success:
+            - lambda: |-
+                auto &fc = m5paper_weather::forecast();
+                if (m5paper_weather::parse(response, "${weather_entity}", id(rtc_time).now().timestamp, fc)) {
+                  const bool saved = m5paper_weather::save(id(i2c_main), fc);
+                  ESP_LOGI("m5paper", "Forecast: %u h%s", fc.count, saved ? "" : " (EEPROM write failed)");
+                } else {
+                  ESP_LOGW("m5paper", "Forecast: unexpected response");
+                }
+                id(fetch_done) = true;
+            # the battery cycle draws on its own
+            - if:
+                condition:
+                  lambda: return !id(weather_page);
+                then:
+                  - component.update: m5paper_display
+          on_error:
+            - lambda: |-
+                ESP_LOGW("m5paper", "Forecast: %s", error.c_str());
+                id(fetch_done) = true;
+
+  # Arm the RTC and cut power; if we are still running afterwards, we are on USB
+  - id: try_sleep
+    mode: single
+    then:
+      - lambda: |-
+          // next quarter hour, 1:00-5:00 in one go
+          int duration = 900;
+          const auto now = id(rtc_time).now();
+          if (now.is_valid()) {
+            const int sod = now.hour * 3600 + now.minute * 60 + now.second;
+            int next = (sod / 900 + 1) * 900;
+            if (next - sod < 90)  // the 1/60 Hz RTC timer may wake us up to a minute early
+              next += 900;
+            const int next_hour = (next / 3600) % 24;
+            if (next_hour >= 1 && next_hour < 5)
+              next = (next / 86400) * 86400 + 5 * 3600;
+            duration = next - sod;
+          }
+          if (duration > 255)  // longer timers count whole minutes
+            duration = (duration + 59) / 60 * 60;
+          id(sleep_s) = std::min(duration, 255 * 60);
+          ESP_LOGI("m5paper", "Powering off for %d s", id(sleep_s));
+      - bm8563.start_timer:
+          duration: !lambda return id(sleep_s);
+      # a battery wake-up is shorter than boot_is_good_after: confirm the OTA image
+      # before cutting power, otherwise the bootloader rolls back
+      - safe_mode.mark_successful:
+      - delay: 200ms
+      - switch.turn_off: main_power
+      - delay: 2s
+      # still alive -> USB power
+      - switch.turn_on: main_power
+      - lambda: |-
+          ESP_LOGI("m5paper", "Still running, USB power");
+          id(usb_mode) = true;
+          id(weather_page) = false;
+          id(show_status) = !api::global_api_server->is_connected_with_state_subscription();
+      - wifi.enable:
+      - component.update: m5paper_display
+
+interval:
+  # USB mode: the battery voltage drops once USB is unplugged -> go to battery mode
+  - interval: 5min
+    then:
+      - if:
+          condition:
+            lambda: |-
+              static float last = NAN;
+              const float v = id(battery_voltage).state;
+              const bool dropped = id(usb_mode) && !std::isnan(last) && last - v > 0.03f;
+              last = v;
+              return dropped;
+          then:
+            - lambda: |-
+                ESP_LOGI("m5paper", "Battery voltage dropping, checking USB");
+                id(usb_mode) = false;
+            - script.execute: battery_cycle
+
+time:
+  - id: !extend ha_time
+    on_time_sync:
+      - bm8563.write_time
+      - if:
+          condition:
+            lambda: return !id(weather_page);
+          then:
+            - component.update: m5paper_display
+    on_time:
+      - seconds: 0
+        minutes: /15
+        then:
+          - if:
+              condition:
+                lambda: return !id(show_status) && !id(weather_page);
+              then:
+                - component.update: m5paper_display
+      # USB mode: keep the stored forecast fresh for battery mode
+      - seconds: 0
+        minutes: 5
+        then:
+          - if:
+              condition:
+                and:
+                  - lambda: return id(usb_mode);
+                  - api.connected:
+                      state_subscription_only: true
+              then:
+                - script.execute: fetch_forecast
+  - platform: bm8563
+    id: rtc_time
+
 binary_sensor:
   - platform: gpio
     name: ${name} Button UP
     id: button_up
     pin:
-      number: 37
+      number: GPIO37
       inverted: true
     on_press:
       - component.update: m5paper_display
-    on_release:
-      - component.update: m5paper_display
   - platform: gpio
     name: ${name} Button Press
     id: button_press
     pin:
-      number: 38
+      number: GPIO38
       inverted: true
   - platform: gpio
     name: ${name} Button Down
     id: button_down
     pin:
-      number: 39
+      number: GPIO39
       inverted: true
   - platform: touchscreen
     name: ${name} Top Left Touch Button
@@ -103,51 +379,19 @@ binary_sensor:
     y_min: 0
     y_max: 100
     on_press:
-      # Example of applying the sleep duration and shutting down to the lowest power mode
+      - script.execute: battery_cycle
-      - bm8563.apply_sleep_duration
-      - delay: 1s
-      - m5paper.shutdown_main_power
 
-font:
+button:
-  - file: "gfonts://Roboto"
+  - platform: template
-    id: font_default
+    name: Refresh Display
-    size: 20
+    entity_category: config
-  - file: "gfonts://Roboto"
+    on_press:
-    id: roboto_32
+      - component.update: m5paper_display
-    size: 32
+  - platform: template
-  - file: "gfonts://Roboto"
+    name: Refresh Forecast
-    id: roboto_24
+    entity_category: config
-    size: 24
+    on_press:
-  - file: "gfonts://Roboto"
+      - script.execute: fetch_forecast
-    id: roboto_12
-    size: 12
-
-display:
-  - platform: it8951e
-    id: m5paper_display
-    cs_pin: GPIO15
-    reset_pin: GPIO23
-    busy_pin: GPIO27
-    rotation: 90
-    reversed: False
-    update_interval: "never"
-    lambda: |-
-      it.printf(25, 25, id(roboto_32), "%.1f°", id(current_temperature).state);
-      it.strftime(350, 25, id(roboto_32), "%H:%M:%S", id(rtc_time).now());
-
-touchscreen:
-  - platform: gt911
-    display: m5paper_display
-    id: gt911_touchscreen
-    interrupt_pin: GPIO36
-
-# display:
-#   - platform: waveshare_epaper
-#     cs_pin: 15
-#     model: 2.90in
-#     full_update_every: 30
-#     lambda: |-
-#       it.print(0, 0, id(font1), "Hello World!");
 
 sensor:
   - platform: sht3xd
@@ -156,9 +400,252 @@ sensor:
       id: current_temperature
     humidity:
       name: Humidity
+      id: current_humidity
     address: 0x44
     update_interval: 60s
+  - platform: adc
+    id: battery_voltage
+    name: Battery Voltage
+    pin: GPIO35
+    attenuation: 12db
+    samples: 16
+    update_interval: 60s
+    entity_category: diagnostic
+    filters:
+      - multiply: 2.0 # 1:2 voltage divider
+  - platform: copy
+    source_id: battery_voltage
+    id: battery_level
+    name: Battery
+    unit_of_measurement: "%"
+    device_class: battery
+    accuracy_decimals: 0
+    filters:
+      - calibrate_linear:
+          - 3.3 -> 0.0
+          - 4.15 -> 100.0
+      - clamp:
+          min_value: 0
+          max_value: 100
 
-# touchscreen:
+.image_defaults:
-#   - platform: gt911
+  icon_large: &icon_large {platform: file, type: BINARY, transparency: chroma_key, resize: 150x150}
-#     interrupt_pin: 36
+  icon_small: &icon_small {platform: file, type: BINARY, transparency: chroma_key, resize: 44x44}
+
+image:
+  - platform: file
+    file: assets/images/made-for-esphome-white-on-black.svg
+    id: esphome_logo
+    resize: 460x136
+    type: GRAYSCALE
+    transparency: alpha_channel
+  # weather icons, same order as m5paper_weather::CONDITIONS
+  - {<<: *icon_large, file: "mdi:weather-night", id: wl_clear_night}
+  - {<<: *icon_large, file: "mdi:weather-cloudy", id: wl_cloudy}
+  - {<<: *icon_large, file: "mdi:alert-circle-outline", id: wl_exceptional}
+  - {<<: *icon_large, file: "mdi:weather-fog", id: wl_fog}
+  - {<<: *icon_large, file: "mdi:weather-hail", id: wl_hail}
+  - {<<: *icon_large, file: "mdi:weather-lightning", id: wl_lightning}
+  - {<<: *icon_large, file: "mdi:weather-lightning-rainy", id: wl_lightning_rainy}
+  - {<<: *icon_large, file: "mdi:weather-partly-cloudy", id: wl_partlycloudy}
+  - {<<: *icon_large, file: "mdi:weather-pouring", id: wl_pouring}
+  - {<<: *icon_large, file: "mdi:weather-rainy", id: wl_rainy}
+  - {<<: *icon_large, file: "mdi:weather-snowy", id: wl_snowy}
+  - {<<: *icon_large, file: "mdi:weather-snowy-rainy", id: wl_snowy_rainy}
+  - {<<: *icon_large, file: "mdi:weather-sunny", id: wl_sunny}
+  - {<<: *icon_large, file: "mdi:weather-windy", id: wl_windy}
+  - {<<: *icon_large, file: "mdi:weather-windy-variant", id: wl_windy_variant}
+  - {<<: *icon_small, file: "mdi:weather-night", id: ws_clear_night}
+  - {<<: *icon_small, file: "mdi:weather-cloudy", id: ws_cloudy}
+  - {<<: *icon_small, file: "mdi:alert-circle-outline", id: ws_exceptional}
+  - {<<: *icon_small, file: "mdi:weather-fog", id: ws_fog}
+  - {<<: *icon_small, file: "mdi:weather-hail", id: ws_hail}
+  - {<<: *icon_small, file: "mdi:weather-lightning", id: ws_lightning}
+  - {<<: *icon_small, file: "mdi:weather-lightning-rainy", id: ws_lightning_rainy}
+  - {<<: *icon_small, file: "mdi:weather-partly-cloudy", id: ws_partlycloudy}
+  - {<<: *icon_small, file: "mdi:weather-pouring", id: ws_pouring}
+  - {<<: *icon_small, file: "mdi:weather-rainy", id: ws_rainy}
+  - {<<: *icon_small, file: "mdi:weather-snowy", id: ws_snowy}
+  - {<<: *icon_small, file: "mdi:weather-snowy-rainy", id: ws_snowy_rainy}
+  - {<<: *icon_small, file: "mdi:weather-sunny", id: ws_sunny}
+  - {<<: *icon_small, file: "mdi:weather-windy", id: ws_windy}
+  - {<<: *icon_small, file: "mdi:weather-windy-variant", id: ws_windy_variant}
+
+font:
+  - file: "gfonts://Roboto"
+    id: font_title
+    size: 48
+  - file: "gfonts://Roboto"
+    id: font_status
+    size: 28
+    glyphs: &sk_glyphs "ÁÄČĎÉÍĹĽŇÓÔŔŠŤÚÝŽáäčďéíĺľňóôŕšťúýž°·"
+    glyphsets: [GF_Latin_Kernel]
+  - file: "gfonts://Roboto"
+    id: font_small
+    size: 24
+    glyphs: *sk_glyphs
+    glyphsets: [GF_Latin_Kernel]
+  - file: "gfonts://Roboto"
+    id: font_tiny
+    size: 18
+    glyphs: "0123456789% "
+  - file: "gfonts://Roboto@500"
+    id: font_date
+    size: 34
+    glyphs: *sk_glyphs
+    glyphsets: [GF_Latin_Kernel]
+  - file: "gfonts://Roboto@500"
+    id: font_hour
+    size: 28
+    glyphs: "0123456789-°"
+  - file: "gfonts://Roboto"
+    id: font_temp
+    size: 110
+    glyphs: "0123456789.,-°C "
+
+color:
+  - id: ink
+    red: 0%
+    green: 0%
+    blue: 0%
+  - id: paper
+    red: 100%
+    green: 100%
+    blue: 100%
+
+display:
+  - platform: it8951
+    id: m5paper_display
+    model: m5stack-m5paper
+    rotation: 270
+    update_interval: never
+    # 1bpp: updates use the fast DU waveform, full GC16 refresh every 30 updates
+    grayscale: false
+    dithering: false
+    lambda: |-
+      // 540x960 portrait
+      it.fill(id(paper));
+      const int w = it.get_width();
+      const int cx = w / 2;
+      const float batt = id(battery_level).state;
+      const float temp = id(current_temperature).state;
+      const float hum = id(current_humidity).state;
+
+      // status screen after power-on, until Home Assistant connects
+      if (id(show_status) && !id(weather_page)) {
+        it.image(cx, 200, id(esphome_logo), ImageAlign::CENTER);
+        it.print(cx, 320, id(font_title), id(ink), TextAlign::CENTER, "${name}");
+
+        const bool wifi_ok = wifi::global_wifi_component->is_connected();
+        if (wifi_ok) {
+          it.printf(40, 440, id(font_status), id(ink), "WiFi: connected  (%d dBm)", wifi::global_wifi_component->wifi_rssi());
+          // IPv6 first (skip link-local), then IPv4
+          int y = 484;
+          char buf[network::IP_ADDRESS_BUFFER_SIZE];
+          for (bool v6 : {true, false}) {
+            for (auto &ip : wifi::global_wifi_component->get_ip_addresses()) {
+              if (!ip.is_set() || ip.is_ip6() != v6 || y > 590)
+                continue;
+              ip.str_to(buf);
+              if (v6 && strncmp(buf, "fe80", 4) == 0)
+                continue;
+              it.print(60, y, id(font_small), id(ink), buf);
+              y += 34;
+            }
+          }
+        } else {
+          it.print(40, 440, id(font_status), id(ink), "WiFi: connecting...");
+        }
+        const bool api_ok = api::global_api_server->is_connected_with_state_subscription();
+        it.print(40, 620, id(font_status), id(ink),
+                 api_ok ? "Home Assistant: connected" : "Home Assistant: waiting...");
+        if (!std::isnan(batt))
+          it.printf(40, 670, id(font_status), id(ink), "Battery: %.0f%%  (%.2f V)", batt, id(battery_voltage).state);
+        it.printf(40, 720, id(font_status), id(ink), "Forecast: %u h stored", m5paper_weather::forecast().count);
+        it.printf(40, 900, id(font_small), id(ink), "ESPHome %s", ESPHOME_VERSION);
+        return;
+      }
+
+      // forecast screen
+      using namespace m5paper_weather;
+      image::Image *large[] = {id(wl_clear_night), id(wl_cloudy),    id(wl_exceptional),   id(wl_fog),
+                               id(wl_hail),        id(wl_lightning), id(wl_lightning_rainy), id(wl_partlycloudy),
+                               id(wl_pouring),     id(wl_rainy),     id(wl_snowy),         id(wl_snowy_rainy),
+                               id(wl_sunny),       id(wl_windy),     id(wl_windy_variant)};
+      image::Image *small[] = {id(ws_clear_night), id(ws_cloudy),    id(ws_exceptional),   id(ws_fog),
+                               id(ws_hail),        id(ws_lightning), id(ws_lightning_rainy), id(ws_partlycloudy),
+                               id(ws_pouring),     id(ws_rainy),     id(ws_snowy),         id(ws_snowy_rainy),
+                               id(ws_sunny),       id(ws_windy),     id(ws_windy_variant)};
+      static const char *const DAYS[] = {"Nedeľa", "Pondelok", "Utorok", "Streda", "Štvrtok", "Piatok", "Sobota"};
+
+      const auto &fc = m5paper_weather::forecast();
+      const auto now = id(rtc_time).now();
+
+      // header: date, battery
+      if (now.is_valid())
+        it.printf(24, 16, id(font_date), id(ink), "%s %d. %d.", DAYS[(now.day_of_week + 6) % 7], now.day_of_month,
+                  now.month);
+      if (!std::isnan(batt))
+        it.printf(w - 24, 22, id(font_small), id(ink), TextAlign::TOP_RIGHT, "%.0f %%", batt);
+
+      const Hour *cur = now.is_valid() ? fc.at(now.timestamp) : nullptr;
+      if (cur == nullptr) {
+        it.print(cx, 230, id(font_status), id(ink), TextAlign::CENTER, "Predpoveď nie je k dispozícii");
+      } else {
+        // current hour
+        if (cur->cond < NUM_CONDITIONS)
+          it.image(24, 80, large[cur->cond], id(ink));
+        if (cur->temp2 != NO_TEMP)
+          it.printf(200, 70, id(font_temp), id(ink), "%.0f°", cur->temp2 / 2.0f);
+        it.print(204, 200, id(font_status), id(ink), condition_name(cur->cond));
+        if (cur->wind != NO_VALUE)
+          it.printf(204, 245, id(font_small), id(ink), "vietor %u km/h", cur->wind);
+        if (cur->pop != NO_VALUE)
+          it.printf(204, 280, id(font_small), id(ink), "zrážky %u %%", cur->pop);
+
+        // next 24 hours: 3 columns x 8 rows
+        const uint32_t first = (now.timestamp / 3600 + 1) * 3600;
+        const int top = 440, row_h = 60, col_w = w / 3;
+        for (int i = 0; i < 24; i++) {
+          const Hour *h = fc.at(first + i * 3600);
+          if (h == nullptr)
+            break;
+          const int x = (i / 8) * col_w + 12;
+          const int y = top + (i % 8) * row_h;
+          const auto t = ESPTime::from_epoch_local(first + i * 3600);
+          it.printf(x, y + 14, id(font_hour), id(ink), "%02d", t.hour);
+          if (h->cond < NUM_CONDITIONS)
+            it.image(x + 42, y + 8, small[h->cond], id(ink));
+          if (h->temp2 != NO_TEMP)
+            it.printf(x + 94, y + 6, id(font_hour), id(ink), "%.0f°", h->temp2 / 2.0f);
+          if (h->pop != NO_VALUE && h->pop >= 10)
+            it.printf(x + 94, y + 38, id(font_tiny), id(ink), "%u %%", h->pop);
+        }
+        for (int c = 1; c < 3; c++)
+          it.vertical_line(c * col_w, top, 8 * row_h, id(ink));
+      }
+
+      // indoor
+      it.horizontal_line(24, 340, w - 48, id(ink));
+      it.printf(cx, 380, id(font_status), id(ink), TextAlign::CENTER, "Doma %.1f °C · %.0f %%", temp, hum);
+      it.horizontal_line(24, 420, w - 48, id(ink));
+
+      // footer
+      if (fc.valid()) {
+        const auto f = ESPTime::from_epoch_local(fc.fetched_at);
+        it.printf(24, 944, id(font_small), id(ink), TextAlign::BOTTOM_LEFT, "predpoveď %d. %d. %02d:%02d",
+                  f.day_of_month, f.month, f.hour, f.minute);
+      }
+      if (now.is_valid())
+        it.printf(w - 24, 944, id(font_small), id(ink), TextAlign::BOTTOM_RIGHT, "%02d:%02d", now.hour, now.minute);
+
+touchscreen:
+  - platform: gt911
+    id: gt911_touchscreen
+    display: m5paper_display
+    # GPIO36 is input-only; INT is only driven as output when reset_pin is set
+    interrupt_pin:
+      number: GPIO36
+      mode:
+        input: true
+        output: false

mcu-mains-power.yaml

@@ -228,9 +228,7 @@ button:
       - pzemac.reset_energy: pzemac_l3
 
 time:
-  - platform: homeassistant
+  - id: !extend ha_time
-    id: ha_time
-    timezone: Europe/Bratislava
     on_time:
       - cron: '0 0 0 * * *'
         then:

mcu-nspanel-bedroom.yaml

@@ -136,9 +136,7 @@ nspanel_lovelace:
       thermo_entity_id: climate.bt_trv_bedroom
 
 time:
-  - platform: homeassistant
+  - id: !extend ha_time
-    id: ha_time
-    timezone: Europe/Bratislava
     on_time_sync:
       - script.execute: apply_sleep_dim
 

mcu-nspanel-dev.yaml

@@ -540,11 +540,6 @@ sensor:
   - platform: template
     id: room_temperature_id
 
-time:
-  platform: homeassistant
-  id: ha_time
-  timezone: Europe/Bratislava
-
 text_sensor:
   - platform: homeassistant
     id: name_day

mcu-nspanel-fireplace.yaml

@@ -185,11 +185,6 @@ nspanel_lovelace:
         - name: Auto-zatváranie
           entity_id: switch.gate_auto_close
 
-time:
-  - platform: homeassistant
-    id: ha_time
-    timezone: Europe/Bratislava
-
 binary_sensor:
   - platform: gpio
     name: Left Button

mcu-nspanel-office-j.yaml

@@ -38,6 +38,16 @@ external_components:
 packages:
   common: !include common/common.yaml
 
+script:
+  - id: apply_sleep_dim
+    then:
+      - lambda: |-
+          uint8_t dim;
+          if (id(bedroom_lights).state) dim = 5;              // sleepOverride
+          else if (id(sun_id).is_above_horizon(-6)) dim = 5;  // day
+          else dim = 0;                                       // night
+          id(nspanel_id).set_display_inactive_dim(dim);
+
 api:
   homeassistant_services: true
   homeassistant_states: true
@@ -135,9 +145,9 @@ nspanel_lovelace:
           entity_id: switch.gate_auto_close
 
 time:
-  - platform: homeassistant
+  - id: !extend ha_time
-    id: ha_time
+    on_time_sync:
-    timezone: Europe/Bratislava
+      - script.execute: apply_sleep_dim
 
 binary_sensor:
   - platform: gpio
@@ -161,6 +171,12 @@ binary_sensor:
             entity_id: light.bedside_left
       - lambda: 'id(nspanel_id).render_default_page();'
 
+  - platform: homeassistant       # sleepOverride
+    id: bedroom_lights
+    entity_id: light.office_j_lights
+    on_state:
+      - script.execute: apply_sleep_dim
+
 output:
   - platform: ledc
     id: buzzer_out
@@ -186,6 +202,20 @@ light:
 #   #   name: Relay 2
 #   #   output: relay_2
 
+sun:
+  id: sun_id
+  time_id: ha_time
+  latitude: 48.15°
+  longitude: 17.11°
+  on_sunrise:
+    - elevation: -6°
+      then:
+        - script.execute: apply_sleep_dim
+  on_sunset:
+    - elevation: -6°
+      then:
+        - script.execute: apply_sleep_dim
+
 switch:
   - platform: gpio
     name: Screen Power

mcu-nspanel-office-r.yaml

@@ -158,11 +158,6 @@ nspanel_lovelace:
         - name: Auto-zatváranie
           entity_id: switch.gate_auto_close
 
-time:
-  - platform: homeassistant
-    id: ha_time
-    timezone: Europe/Bratislava
-
 binary_sensor:
   - platform: gpio
     name: Left Button

mcu-nspanel-patio.yaml

@@ -214,11 +214,6 @@ nspanel_lovelace:
         - name: Rast trávy
           entity_id: automation.irrigation_grow_grass
 
-time:
-  - platform: homeassistant
-    id: ha_time
-    timezone: Europe/Bratislava
-
 binary_sensor:
   - platform: gpio
     name: Left Button

mcu-patio.yaml

@@ -54,11 +54,6 @@ packages:
 # Relay1    G22
 # Relay2    G19
 
-time:
-  - platform: homeassistant
-    id: ha_time
-    timezone: Europe/Bratislava
-
 i2c:
   # - id: i2c0
   #   sda: 26

mcu-pow-dishwasher.yaml

@@ -187,5 +187,3 @@ switch:
       - switch.turn_off: relay_off # bi-stable relay so no need to keep on
     interlock: [relay_on]
 
-time:
-  - !include common/time/homeassistant.yaml

mcu-pow-washer.yaml

@@ -2,7 +2,7 @@
 substitutions:
   device: pow-washer
   name: Washer POW
-  comment: 
+  comment: "spare"
   area: Washroom
   update_interval: 10s
 
@@ -186,6 +186,3 @@ switch:
       - delay: 500ms
       - switch.turn_off: relay_off # bi-stable relay so no need to keep on
     interlock: [relay_on]
-
-time:
-  - !include common/time/homeassistant.yaml

mcu-shed.yaml

@@ -109,5 +109,3 @@ switch:
       number: 19
       mode: OUTPUT
 
-time:
-  - !include common/time/homeassistant.yaml

mcu-socket-01.yaml

@@ -121,8 +121,7 @@ switch:
 #     number: GPIO00
 #     inverted: True
 
-time:
+# time:
-  - !include common/time/homeassistant.yaml
 #   - platform: homeassistant
 #     timezone: Europe/Bratislava
 #     on_time:

mcu-socket-02.yaml

@@ -122,8 +122,7 @@ switch:
     on_turn_off:
       - light.turn_off: light_red
 
-time:
+# time:
-  - !include common/time/homeassistant.yaml
 #   - platform: homeassistant
 #     timezone: Europe/Bratislava
 #     on_time:

mcu-socket-03.yaml

@@ -144,8 +144,7 @@ switch:
 #     number: GPIO00
 #     inverted: True
 
-time:
+# time:
-  - !include common/time/homeassistant.yaml
 #   - platform: homeassistant
 #     timezone: Europe/Bratislava
 #     on_time:

mcu-stackchan.yaml

@@ -0,0 +1,899 @@
+substitutions:
+  device: stackchan
+  name: StackChan
+  area: DEV
+  comment: StackChan
+
+esphome:
+  name: mcu-${device}
+  friendly_name: ${name}
+  area: ${area}
+  comment: ${comment}
+  on_boot:
+    - priority: -100
+      then:
+        - light.turn_on:
+            id: light_bar
+            brightness: 20%
+            red: 0%
+            green: 0%
+            blue: 100%
+        - component.update: display_tft
+
+esp32:
+  variant: esp32s3
+  flash_size: 16MB
+  toolchain: esp-idf
+  framework:
+    type: esp-idf
+
+psram:
+  mode: quad
+  speed: 80MHz
+
+packages:
+  common: !include common/common.yaml
+
+external_components:
+  - source: github://m5stack/esphome-yaml/components
+    components: [axp2101, aw88298, aw9523b, si12t, m5ioe1, ftservo, scs9009]
+    refresh: 0s
+  - source: github://randybb/esphome-components
+    components: [audio_spectrum]
+    refresh: 1d
+
+globals:
+  - id: in_love
+    type: bool
+    initial_value: 'false'
+  - id: show_status
+    type: bool
+    initial_value: 'true'
+  - id: mouth_open
+    type: float
+    initial_value: '0.0'
+  - id: eyes_open
+    type: bool
+    initial_value: 'true'
+  - id: speaking
+    type: bool
+    initial_value: 'false'
+  - id: listening
+    type: bool
+    initial_value: 'false'
+  - id: gaze_x
+    type: int
+    initial_value: '0'
+  - id: gaze_y
+    type: int
+    initial_value: '0'
+
+i2c:
+  - id: i2c_bsp
+    sda: 12
+    scl: 11
+    frequency: 100kHz
+
+axp2101:
+  id: axp2101_pmu
+  i2c_id: i2c_bsp
+
+aw9523b:
+  id: aw9523b_hub
+  i2c_id: i2c_bsp
+  p0_drive_mode: PUSH_PULL
+
+m5ioe1:
+  id: m5ioe1_hub
+  i2c_id: i2c_bsp
+  reset: true
+
+output:
+  - platform: axp2101
+    id: lcd_backlight_output
+    type: range
+    channel: DLDO1
+    min_voltage: 2600
+    max_voltage: 3300
+  - platform: axp2101
+    channel: ALDO1
+    voltage: 1800
+  - platform: axp2101
+    channel: ALDO2
+    voltage: 3300
+  - platform: axp2101
+    channel: ALDO3
+    voltage: 3300
+  - platform: axp2101
+    channel: ALDO4
+    voltage: 3300
+  - platform: axp2101
+    channel: BLDO1
+    voltage: 2800
+  - platform: axp2101
+    channel: BLDO2
+    voltage: 1500
+  - platform: axp2101
+    channel: DCDC1
+    voltage: 3300
+  - platform: axp2101
+    channel: DCDC4
+    voltage: 1800
+  - platform: axp2101
+    channel: DCDC3
+    voltage: 3300
+  - platform: axp2101
+    channel: DCDC5
+    voltage: 3300
+
+switch:
+  - platform: gpio
+    id: boost_en
+    name: Boost
+    entity_category: config
+    pin:
+      aw9523b_id: aw9523b_hub
+      number: 15
+    restore_mode: RESTORE_DEFAULT_ON
+  - platform: gpio
+    id: usb_otg_en
+    name: USB OTG
+    entity_category: config
+    pin:
+      aw9523b_id: aw9523b_hub
+      number: 5
+    restore_mode: RESTORE_DEFAULT_OFF
+  - platform: gpio
+    id: bus_out_en
+    name: BUS Out
+    entity_category: config
+    pin:
+      aw9523b_id: aw9523b_hub
+      number: 1
+    restore_mode: RESTORE_DEFAULT_ON
+  - platform: gpio
+    id: light_bar_en
+    internal: true
+    pin:
+      m5ioe1_id: m5ioe1_hub
+      number: 13
+      mode:
+        output: true
+        pullup: true
+    restore_mode: ALWAYS_ON
+  - platform: gpio
+    id: aw_rst
+    internal: true
+    pin:
+      aw9523b_id: aw9523b_hub
+      number: 2
+    restore_mode: ALWAYS_ON
+  - platform: gpio
+    id: cam_rst
+    internal: true
+    pin:
+      aw9523b_id: aw9523b_hub
+      number: 8
+    restore_mode: ALWAYS_ON
+  - platform: gpio
+    id: servo_power
+    internal: true
+    pin:
+      m5ioe1_id: m5ioe1_hub
+      number: 0
+      mode:
+        output: true
+        pullup: true
+    restore_mode: ALWAYS_ON
+
+i2s_audio:
+  - id: i2s_bus
+    i2s_lrclk_pin: 33
+    i2s_bclk_pin: 34
+    i2s_mclk_pin:
+      number: 0
+      ignore_strapping_warning: true
+
+audio_adc:
+  - platform: es7210
+    id: es7210_adc
+    i2c_id: i2c_bsp
+    bits_per_sample: 16bit
+    sample_rate: 16000
+    mic_gain: 36
+
+audio_dac:
+  - platform: aw88298
+    id: aw88298_dac
+    i2c_id: i2c_bsp
+    sample_rate: 48000
+
+microphone:
+  - platform: i2s_audio
+    id: stackchan_microphone
+    i2s_audio_id: i2s_bus
+    i2s_din_pin: 14
+    adc_type: external
+    sample_rate: 16000
+    bits_per_sample: 16bit
+
+speaker:
+  - platform: i2s_audio
+    id: speaker_id
+    i2s_audio_id: i2s_bus
+    dac_type: external
+    i2s_dout_pin: 13
+    audio_dac: aw88298_dac
+    sample_rate: 48000
+    buffer_duration: 100ms
+  # pass-through that computes the spectrum shown on the display while music plays
+  - platform: audio_spectrum
+    id: spectrum
+    output_speaker: speaker_id
+    bands: 20
+  - platform: mixer
+    id: mixer_speaker_id
+    output_speaker: spectrum
+    num_channels: 1
+    source_speakers:
+      - id: announcement_spk_mixer_input
+      - id: media_spk_mixer_input
+  - platform: resampler
+    id: media_spk_resampling_input
+    output_speaker: media_spk_mixer_input
+  - platform: resampler
+    id: announcement_spk_resampling_input
+    output_speaker: announcement_spk_mixer_input
+
+media_player:
+  - platform: speaker
+    id: media_out
+    name: Player
+    buffer_size: 14000
+    # AW88298 maps volume linearly to -96..0 dB, the lower half is inaudible
+    volume_min: 0.5
+    volume_max: 1.0
+    media_pipeline:
+      speaker: media_spk_resampling_input
+      format: NONE
+    announcement_pipeline:
+      speaker: announcement_spk_resampling_input
+      format: NONE
+    on_announcement:
+      - script.execute: release_i2s_bus
+    on_play:
+      - script.execute: release_i2s_bus
+    on_idle:
+      - if:
+          condition:
+            not:
+              voice_assistant.is_running:
+          then:
+            - micro_wake_word.start:
+
+micro_wake_word:
+  id: mww
+  microphone: stackchan_microphone
+  models:
+    - model: okay_nabu
+  on_wake_word_detected:
+    - voice_assistant.start:
+        wake_word: !lambda return wake_word;
+
+voice_assistant:
+  id: va
+  microphone: stackchan_microphone
+  media_player: media_out
+  micro_wake_word: mww
+  noise_suppression_level: 2
+  auto_gain: 31dBFS
+  on_client_connected:
+    - micro_wake_word.start:
+    - delay: 2s
+    - lambda: id(show_status) = false;
+    - component.update: display_tft
+  on_client_disconnected:
+    - micro_wake_word.stop:
+    - lambda: id(show_status) = true;
+    - component.update: display_tft
+  on_listening:
+    - lambda: |-
+        id(listening) = true;
+        id(gaze_x) = 0;
+        id(gaze_y) = 0;
+    - component.update: display_tft
+    - light.turn_on: {id: light_bar, brightness: 60%, red: 0%, green: 60%, blue: 100%}
+  on_stt_end:
+    - lambda: id(listening) = false;
+    - component.update: display_tft
+    - light.turn_on: {id: light_bar, brightness: 40%, red: 80%, green: 50%, blue: 0%}
+  on_tts_start:
+    - lambda: id(speaking) = true;
+    - light.turn_on: {id: light_bar, brightness: 60%, red: 0%, green: 100%, blue: 20%}
+  on_end:
+    - wait_until:
+        not:
+          media_player.is_announcing: media_out
+    - lambda: |-
+        id(speaking) = false;
+        id(listening) = false;
+        id(mouth_open) = 0.0f;
+    - component.update: display_tft
+    - light.turn_on: {id: light_bar, brightness: 20%, red: 0%, green: 0%, blue: 100%}
+    - wait_until:
+        not: voice_assistant.is_running
+    - micro_wake_word.start:
+  on_error:
+    - light.turn_on: {id: light_bar, brightness: 60%, red: 100%, green: 0%, blue: 0%}
+
+script:
+  # short tap on the head starts the assistant
+  - id: head_tap
+    then:
+      - if:
+          condition:
+            not: voice_assistant.is_running
+          then:
+            - voice_assistant.start:
+  # stroking the head shows the in-love face for a while
+  - id: head_stroke
+    mode: restart
+    then:
+      - lambda: id(in_love) = true;
+      - component.update: display_tft
+      - delay: 5s
+      - lambda: id(in_love) = false;
+      - component.update: display_tft
+  # mic and speaker share one I2S bus - the mic must be released before playback
+  - id: release_i2s_bus
+    mode: single
+    then:
+      - if:
+          condition:
+            microphone.is_capturing:
+          then:
+            - micro_wake_word.stop:
+            # stop VA only while it is listening (e.g. continued conversation), not during its own response
+            - if:
+                condition:
+                  lambda: return id(listening);
+                then:
+                  - voice_assistant.stop:
+            - wait_until:
+                condition:
+                  not:
+                    microphone.is_capturing:
+                timeout: 2s
+
+interval:
+  - interval: 80ms  # spectrum analyzer frame rate while music plays
+    then:
+      - if:
+          condition:
+            and:
+              - media_player.is_playing: media_out
+              - not: voice_assistant.is_running
+          then:
+            - component.update: display_tft
+  # head touch gestures: a touch episode ends after 250 ms without contact;
+  # tap = short episode, stroke = longer episode that reaches the pads one after another
+  - interval: 50ms
+    then:
+      - lambda: |-
+          static bool active = false;
+          static uint32_t start = 0, last_on = 0;
+          static uint32_t first_on[3];
+          const bool on[3] = {id(head_touch_1).state != "No touch", id(head_touch_2).state != "No touch",
+                              id(head_touch_3).state != "No touch"};
+          const uint32_t now = millis();
+
+          if (on[0] || on[1] || on[2]) {
+            if (!active) {
+              active = true;
+              start = now;
+              first_on[0] = first_on[1] = first_on[2] = 0;
+            }
+            for (int i = 0; i < 3; i++)
+              if (on[i] && first_on[i] == 0)
+                first_on[i] = now;
+            last_on = now;
+            return;
+          }
+          if (!active || now - last_on < 250)
+            return;
+          active = false;
+
+          const uint32_t duration = last_on - start;
+          int pads = 0;
+          uint32_t earliest = UINT32_MAX, latest = 0;
+          for (int i = 0; i < 3; i++) {
+            if (first_on[i] == 0)
+              continue;
+            pads++;
+            earliest = std::min(earliest, first_on[i]);
+            latest = std::max(latest, first_on[i]);
+          }
+          const uint32_t spread = latest - earliest;
+          ESP_LOGD("head_touch", "duration %u ms, pads %d, spread %u ms, order 1:%d 2:%d 3:%d", (unsigned) duration,
+                   pads, (unsigned) spread, first_on[0] ? (int) (first_on[0] - earliest) : -1,
+                   first_on[1] ? (int) (first_on[1] - earliest) : -1, first_on[2] ? (int) (first_on[2] - earliest) : -1);
+
+          if (pads >= 2 && spread >= 150 && duration >= 400) {
+            id(head_stroke).execute();
+          } else if (duration <= 600) {
+            id(head_tap).execute();
+          }
+  - interval: 1s  # status screen refresh until Home Assistant connects
+    then:
+      - if:
+          condition:
+            lambda: return id(show_status);
+          then:
+            - component.update: display_tft
+  - interval: 90ms
+    then:
+      - lambda: |-
+          if (id(speaking)) {
+            id(mouth_open) = 0.15f + (esp_random() % 85) / 100.0f;
+            id(display_tft).update();
+          } else if (id(mouth_open) > 0) {
+            id(mouth_open) = 0;
+            id(display_tft).update();
+          }
+  - interval: 3s  # blinking
+    then:
+      - delay: !lambda return esp_random() % 3000;
+      - lambda: id(eyes_open) = false;
+      - component.update: display_tft
+      - delay: 150ms
+      - lambda: id(eyes_open) = true;
+      - component.update: display_tft
+  - interval: 7s  # looking around while idle
+    then:
+      - lambda: |-
+          if (!id(speaking) && !id(listening)) {
+            id(gaze_x) = (int) (esp_random() % 21) - 10;
+            id(gaze_y) = (int) (esp_random() % 11) - 5;
+            id(display_tft).update();
+          }
+
+spi:
+  - id: spi_bus
+    clk_pin: 36
+    mosi_pin: 37
+
+image:
+  - platform: file
+    file: assets/images/made-for-esphome-white-on-black.svg
+    id: esphome_logo
+    resize: 230x68
+    type: RGB565
+    transparency: alpha_channel
+  - platform: file
+    file: mdi:ear-hearing
+    id: icon_listening
+    resize: 28x28
+    type: BINARY
+
+font:
+  - file: "gfonts://Roboto"
+    id: font_title
+    size: 24
+  - file: "gfonts://Roboto"
+    id: font_status
+    size: 16
+
+color:
+  - id: status_ok
+    red: 30%
+    green: 85%
+    blue: 40%
+  - id: status_wait
+    red: 100%
+    green: 70%
+    blue: 0%
+  - id: love_red
+    red: 100%
+    green: 25%
+    blue: 45%
+  - id: status_low
+    red: 100%
+    green: 20%
+    blue: 20%
+  - id: status_dim
+    red: 55%
+    green: 55%
+    blue: 55%
+  - id: face_fg
+    red: 100%
+    green: 100%
+    blue: 100%
+  - id: face_bg
+    red: 0%
+    green: 0%
+    blue: 0%
+
+display:
+  - platform: mipi_spi
+    id: display_tft
+    model: M5CORE
+    dc_pin: 35
+    reset_pin:
+      aw9523b_id: aw9523b_hub
+      number: 9
+    cs_pin:
+      number: 3
+      ignore_strapping_warning: true
+    data_rate: 40MHz
+    invert_colors: true
+    update_interval: never
+    auto_clear_enabled: false
+    lambda: |-
+      static bool first_draw = true;
+      static bool dot_shown = false;
+      static bool bar_drawn = false;
+      static int last_bars = -1, last_batt = -2;
+      static bool last_charging = false;
+
+      const bool wifi_ok = wifi::global_wifi_component->is_connected();
+      const int8_t rssi = wifi_ok ? wifi::global_wifi_component->wifi_rssi() : -127;
+      const int wifi_bars = !wifi_ok ? 0 : rssi > -55 ? 4 : rssi > -65 ? 3 : rssi > -75 ? 2 : 1;
+      const int batt = std::isnan(id(battery_level).state) ? -1 : (int) roundf(id(battery_level).state);
+      const bool charging = id(battery_charging).state;
+
+      // status screen until Home Assistant connects
+      if (id(show_status)) {
+        first_draw = true;
+        it.fill(id(face_bg));
+        it.image(160, 46, id(esphome_logo), ImageAlign::CENTER);
+        it.print(160, 95, id(font_title), id(face_fg), TextAlign::CENTER, "${name}");
+
+        if (wifi_ok) {
+          it.printf(20, 114, id(font_status), id(status_ok), "WiFi: connected  (%d dBm)", rssi);
+          // one global IPv6 (skip link-local) and one IPv4 address
+          int y = 133;
+          char buf[network::IP_ADDRESS_BUFFER_SIZE];
+          for (bool v6 : {true, false}) {
+            for (auto &ip : wifi::global_wifi_component->get_ip_addresses()) {
+              if (!ip.is_set() || ip.is_ip6() != v6)
+                continue;
+              ip.str_to(buf);
+              if (v6 && strncmp(buf, "fe80", 4) == 0)
+                continue;
+              it.print(30, y, id(font_status), id(status_dim), buf);
+              y += 19;
+              break;
+            }
+          }
+        } else {
+          it.print(20, 114, id(font_status), id(status_wait), "WiFi: connecting...");
+        }
+
+        const bool api_ok = api::global_api_server->is_connected();
+        it.print(20, 172, id(font_status), api_ok ? id(status_ok) : id(status_wait),
+                 api_ok ? "Home Assistant: connected" : "Home Assistant: waiting...");
+
+        if (batt >= 0) {
+          it.printf(20, 191, id(font_status), batt <= 20 && !charging ? id(status_low) : id(status_dim),
+                    "Battery: %d%%%s", batt, charging ? " (charging)" : "");
+        }
+        it.printf(20, 212, id(font_status), id(status_dim), "ESPHome %s", ESPHOME_VERSION);
+        it.printf(300, 212, id(font_status), id(status_dim), TextAlign::TOP_RIGHT, "up %us",
+                  (unsigned) (millis() / 1000));
+        return;
+      }
+
+      // stack-chan face: 2 eyes + mouth, 320x240
+      // the whole screen is cleared only once, then just the face areas, so that only the
+      // changed region is sent over SPI instead of the whole 150 kB buffer
+      const bool love = id(in_love);
+      const bool music = id(media_out).state == media_player::MEDIA_PLAYER_STATE_PLAYING && !id(va).is_running();
+      // switching between face, in-love face and spectrum repaints everything
+      static int last_mode = -1;
+      const int mode = music ? 2 : love ? 1 : 0;
+      if (mode != last_mode) {
+        last_mode = mode;
+        first_draw = true;
+      }
+
+      // the in-love face is drawn outside the partially cleared areas, so it always repaints everything
+      static bool spectrum_reset = true;
+      if (first_draw || love) {
+        it.fill(id(face_bg));
+        first_draw = false;
+        bar_drawn = false;
+        spectrum_reset = true;
+      } else if (!music) {
+        it.filled_rectangle(70, 78, 181, 31, id(face_bg));   // eyes including gaze range
+        it.filled_rectangle(105, 130, 111, 38, id(face_bg)); // mouth
+        if (dot_shown && !id(listening)) {
+          it.filled_rectangle(254, 2, 28, 28, id(face_bg));
+        }
+      }
+      dot_shown = id(listening);
+
+      // status bar (battery top-left, wifi top-right), redrawn only when something changes
+      if (!bar_drawn || wifi_bars != last_bars || batt != last_batt || charging != last_charging) {
+        bar_drawn = true;
+        last_bars = wifi_bars;
+        last_batt = batt;
+        last_charging = charging;
+        it.filled_rectangle(4, 4, 90, 22, id(face_bg));
+        it.filled_rectangle(288, 4, 28, 22, id(face_bg));
+
+        // battery: outline, terminal nub and fill proportional to the charge
+        if (batt >= 0) {
+          const Color c = charging ? id(status_ok) : batt <= 20 ? id(status_low) : id(status_dim);
+          it.rectangle(8, 8, 26, 13, c);
+          it.filled_rectangle(34, 12, 2, 5, c);
+          it.filled_rectangle(10, 10, 22 * batt / 100, 9, c);
+          it.printf(40, 6, id(font_status), c, "%d%%", batt);
+        }
+
+        // wifi: 4 bars, unused ones dimmed; red when disconnected
+        for (int i = 0; i < 4; i++) {
+          const int h = 4 + 3 * i;
+          const Color c = !wifi_ok ? id(status_low) : i < wifi_bars ? id(status_dim) : Color(40, 40, 40);
+          it.filled_rectangle(290 + i * 6, 21 - h, 4, h, c);
+        }
+      }
+      // Winamp style spectrum analyzer instead of the face while music plays.
+      // Only the segments that changed since the last frame are drawn or cleared, which keeps both the
+      // pixel work and the SPI transfer small.
+      if (music) {
+        static float peak[32];
+        static uint32_t peak_time[32];
+        static int prev_segs[32], prev_cap[32];
+        const uint32_t now = millis();
+        const int bands = std::min<int>(id(spectrum).get_bands(), 32);
+        const int x0 = 12, x1 = 308, top = 40, bottom = 228;
+        const int slot = (x1 - x0) / bands, bar_w = slot - 3;
+        const int seg_h = 5;  // 4 px LED segment + 1 px gap
+        const int max_segs = (bottom - top) / seg_h;
+        if (spectrum_reset) {
+          spectrum_reset = false;
+          for (int b = 0; b < 32; b++) {
+            peak[b] = 0.0f;
+            prev_segs[b] = 0;
+            prev_cap[b] = -1;
+          }
+        }
+        auto seg_y = [&](int s) { return bottom - (s + 1) * seg_h + 1; };
+        for (int b = 0; b < bands; b++) {
+          const float level = id(spectrum).get_level(b);
+          const int x = x0 + b * slot + 1;
+          const int segs = std::min(max_segs, (int) (level * max_segs));
+
+          // peak caps hold for a moment, then fall slowly
+          if (level >= peak[b]) {
+            peak[b] = level;
+            peak_time[b] = now;
+          } else if (now - peak_time[b] > 400) {
+            peak[b] = std::max(0.0f, peak[b] - 0.03f);
+          }
+          const int cap = peak[b] > 0.0f ? std::min(max_segs - 1, std::max(segs, (int) (peak[b] * max_segs))) : -1;
+
+          // the old cap is cleared first; bar segments drawn below repaint anything it overlapped
+          if (prev_cap[b] >= 0 && prev_cap[b] != cap)
+            it.filled_rectangle(x, seg_y(prev_cap[b]), bar_w, seg_h - 1, id(face_bg));
+
+          if (segs > prev_segs[b]) {
+            for (int s = prev_segs[b]; s < segs; s++) {
+              // green at the bottom, through yellow to red at the top
+              const float f = float(s) / float(max_segs - 1);
+              const Color c = f < 0.5f ? Color((uint8_t) (510 * f), 230, 0) : Color(255, (uint8_t) (460 * (1.0f - f)), 0);
+              it.filled_rectangle(x, seg_y(s), bar_w, seg_h - 1, c);
+            }
+          } else if (segs < prev_segs[b]) {
+            it.filled_rectangle(x, seg_y(prev_segs[b] - 1), bar_w, (prev_segs[b] - segs) * seg_h, id(face_bg));
+          }
+          prev_segs[b] = segs;
+
+          if (cap >= segs && cap >= 0 && (cap != prev_cap[b] || cap == segs)) {
+            const int cy = seg_y(cap) + seg_h - 3;
+            it.filled_rectangle(x, cy, bar_w, 2, id(status_dim));
+          }
+          prev_cap[b] = cap;
+        }
+        return;
+      }
+
+      const int ex = id(gaze_x), ey = id(gaze_y);
+      const int eye_y = 93 + ey, eye_r = 8;
+      const int lx = 90 + ex, rx = 230 + ex;
+
+      if (love) {
+        // heart eyes, blush and a wide smile
+        for (int cx : {lx, rx}) {
+          it.filled_circle(cx - 6, eye_y - 3, 7, id(love_red));
+          it.filled_circle(cx + 6, eye_y - 3, 7, id(love_red));
+          it.filled_triangle(cx - 13, eye_y - 1, cx + 13, eye_y - 1, cx, eye_y + 14, id(love_red));
+        }
+        it.filled_circle(60 + ex, 130 + ey, 12, Color(90, 20, 40));
+        it.filled_circle(260 + ex, 130 + ey, 12, Color(90, 20, 40));
+        if (!id(speaking)) {
+          it.filled_circle(160 + ex / 2, 132 + ey / 2, 30, id(face_fg));
+          it.filled_circle(160 + ex / 2, 122 + ey / 2, 30, id(face_bg));
+        }
+      } else if (id(eyes_open)) {
+        it.filled_circle(lx, eye_y, eye_r, id(face_fg));
+        it.filled_circle(rx, eye_y, eye_r, id(face_fg));
+      } else {
+        it.filled_rectangle(lx - eye_r, eye_y - 2, eye_r * 2, 4, id(face_fg));
+        it.filled_rectangle(rx - eye_r, eye_y - 2, eye_r * 2, 4, id(face_fg));
+      }
+
+      const float m = id(mouth_open);
+      if (!love || id(speaking)) {
+        const int mw = 90 - (int) (40 * m);
+        const int mh = 4 + (int) (26 * m);
+        it.filled_rectangle(160 - mw / 2 + ex / 2, 148 - mh / 2 + ey / 2, mw, mh, id(face_fg));
+      }
+
+      if (id(listening)) {
+        it.image(254, 2, id(icon_listening), id(face_fg), id(face_bg));  // left of the wifi bars
+      }
+
+touchscreen:
+  - platform: ft63x6
+    id: touch_lcd
+    i2c_id: i2c_bsp
+    reset_pin:
+      aw9523b_id: aw9523b_hub
+      number: 0
+    on_touch:
+      - voice_assistant.start:
+
+esp32_camera:
+  id: camera_id
+  name: Camera
+  i2c_id: i2c_bsp
+  setup_priority: -200  # after power rails and IO expanders
+  pixel_format: RGB565
+  max_framerate: 15 fps
+  frame_buffer_count: 1
+  # GC0308 has no JPEG, convert RGB565 -> JPEG for HA (as in BSP); runs in the main loop, so no periodic frames
+  jpeg_quality: 12
+  idle_framerate: 0 fps
+  vsync_pin:
+    number: 46
+    ignore_strapping_warning: true
+  href_pin: 38
+  external_clock:
+    pin: 2
+    frequency: 20MHz
+  pixel_clock_pin:
+    number: 45
+    ignore_strapping_warning: true
+  data_pins: [39, 40, 41, 42, 15, 16, 48, 47]
+  resolution: 320x240
+  frame_buffer_location: PSRAM
+
+sensor:
+  - platform: axp2101
+    id: axp2101_sensor
+    battery_level:
+      id: battery_level
+      name: Battery Level
+      filters:
+        - delta: 1.0
+      on_value:
+        - component.update: display_tft
+    battery_charging:
+      id: battery_charging
+      name: Battery Charging
+      on_state:
+        - component.update: display_tft
+  - platform: ltr_als_ps
+    i2c_id: i2c_bsp
+    address: 0x23
+    type: ALS_PS
+    ambient_light:
+      id: ambient_light
+      name: Ambient Light
+    ps_counts:
+      id: proximity_counts
+      name: Proximity Counts
+  - platform: ina226
+    i2c_id: i2c_bsp
+    address: 0x41
+    shunt_resistance: 0.01 ohm
+    max_current: 3.2A
+    current:
+      id: ina226_current
+      name: Current
+    power:
+      id: ina226_power
+      name: Power
+    bus_voltage:
+      id: ina226_bus_voltage
+      name: Bus Voltage
+
+si12t:
+  id: touch_hub
+  i2c_id: i2c_bsp
+  # report low-strength touches too, not only medium/high
+  intr_level: OUTPUT_ALL
+
+text_sensor:
+  - platform: si12t
+    id: head_touch_1
+    name: Head Touch 1
+    channel: CH_1
+    # lower level = lower touch threshold: SENS_LEVEL_1 = 0.7 % capacitance change (default level 3 is 1.2 %),
+    # SENS_LEVEL_0 made neighbouring pads trigger together
+    sensitivity: SENS_LEVEL_1
+    extend_threshold: false
+    update_interval: 100ms
+    internal: true
+  - platform: si12t
+    id: head_touch_2
+    name: Head Touch 2
+    channel: CH_2
+    sensitivity: SENS_LEVEL_1
+    extend_threshold: false
+    update_interval: 100ms
+    internal: true
+  - platform: si12t
+    id: head_touch_3
+    name: Head Touch 3
+    channel: CH_3
+    sensitivity: SENS_LEVEL_1
+    extend_threshold: false
+    update_interval: 100ms
+    internal: true
+
+uart:
+  - id: uart_servo
+    tx_pin: 6
+    rx_pin: 7
+    baud_rate: 1000000
+
+scs9009:
+
+ftservo:
+  - platform: scs9009
+    id: x_servo
+    address: 1
+  - platform: scs9009
+    id: y_servo
+    address: 2
+
+number:
+  - platform: ftservo
+    ftservo_id: x_servo
+    angle:
+      id: servo_x_angle
+      name: Servo X Angle
+      min_value: -164
+      max_value: 164
+      use_raw_angle: false
+      angle_offset: 164
+      step: 5
+
+light:
+  - platform: m5ioe1
+    id: light_bar
+    name: Light Bar
+    num_led: 12
+  - platform: monochromatic
+    id: lcd_backlight
+    name: LCD Backlight
+    output: lcd_backlight_output
+    restore_mode: ALWAYS_ON
+    
+remote_transmitter:
+  id: ir_tx
+  pin: 5
+  carrier_duty_percent: 50%
+  non_blocking: true
+
+remote_receiver:
+  id: ir_rx
+  pin: 10
+
+time:
+  - platform: bm8563
+    id: rtc_time
+    i2c_id: i2c_bsp
+    update_interval: never

mcu-well.yaml

@@ -358,5 +358,3 @@ valve:
     close_action:
       - switch.turn_off: irrigation_relay_8
 
-time:
-  - !include common/time/homeassistant.yaml