Initial commit

sensor.yaml

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+# ===================================================================
+# ESPHome 配置: 基于 ESP32 + ADS1015 + SSD1306 的压力监测器 (最终完整版)
+#
+# 修正了 ota 组件的配置格式。
+# ===================================================================
+
+esphome:
+  name: pressure-monitor
+
+# -- 平台和板型配置 --
+esp32:
+  board: esp32dev
+  framework:
+    type: arduino
+
+# -- 标准网络连接配置 --
+wifi:
+  ssid: "hhhhhhhh"
+  password: "nihaoahhh"
+
+# -- Home Assistant API, OTA 更新, 日志等 --
+api:
+
+ota:
+  platform: esphome # <-- 已修正：为 ota 添加 platform
+
+logger:
+
+# ===================================================================
+# I2C 总线配置
+# ===================================================================
+i2c:
+  sda: 21
+  scl: 22
+  scan: true
+  frequency: 400kHz
+
+# ===================================================================
+# ADC 硬件组件配置
+# ===================================================================
+ads1115:
+  id: ads1015_hub
+  address: 0x48
+
+# ===================================================================
+# 传感器实体配置
+# ===================================================================
+sensor:
+  # -----------------------------------------------------------------
+  # 步骤 1: 定义一个 ADS1115 传感器，读取电压 (Vs)
+  # -----------------------------------------------------------------
+  - platform: ads1115
+    ads1115_id: ads1015_hub
+    id: sensor_voltage
+    name: "Sensor Voltage"
+    multiplexer: 'A0_GND'
+    gain: 4.096
+    update_interval: 50ms
+    unit_of_measurement: "V"
+    icon: "mdi:flash-circle"
+    accuracy_decimals: 3
+    filters:
+      - sliding_window_moving_average:
+          window_size: 16
+          send_every: 4
+
+  # -----------------------------------------------------------------
+  # 步骤 2: 创建一个模板传感器来计算压力 (MPa)
+  # -----------------------------------------------------------------
+  - platform: template
+    id: pressure_sensor
+    name: "Pressure"
+    unit_of_measurement: "MPa"
+    icon: "mdi:gauge"
+    accuracy_decimals: 3
+    lambda: |-
+      const float sensor_volts = id(sensor_voltage).state;
+      if (isnan(sensor_volts)) {
+        return NAN;
+      }
+      
+      const float SENSOR_MIN_V = 0.5f;
+      const float SENSOR_MAX_V = 4.5f;
+      const float PRESSURE_FULL_SCALE_MPA = 0.2f;
+      const float span_v = SENSOR_MAX_V - SENSOR_MIN_V;
+      
+      if (span_v <= 0.0f) {
+        return 0.0f;
+      }
+      
+      float ratio = (sensor_volts - SENSOR_MIN_V) / span_v;
+      
+      if (ratio < 0.0f) ratio = 0.0f;
+      if (ratio > 1.0f) ratio = 1.0f;
+      
+      return ratio * PRESSURE_FULL_SCALE_MPA;
+
+# ===================================================================
+# 显示屏配置 (SSD1306 OLED)
+# ===================================================================
+font:
+  - file: "gfonts://Roboto"
+    id: roboto_font
+    size: 12
+  - file: "gfonts://Roboto"
+    id: roboto_font_large
+    size: 24
+
+display:
+  - platform: ssd1306_i2c
+    id: oled_display
+    model: "SSD1306 128x64"
+    address: 0x3C
+    update_interval: 200ms
+    lambda: |-
+      const float pressure = id(pressure_sensor).state;
+      const float voltage = id(sensor_voltage).state;
+      const bool sensor_ok = !isnan(pressure) && !isnan(voltage) && voltage > 0.1;
+
+      // 绘制标题栏
+      it.filled_rectangle(0, 0, 128, 16, COLOR_ON);
+      it.print(4, 4, id(roboto_font), COLOR_OFF, "PRESSURE");
+
+      if (sensor_ok) {
+        it.print(128 - 22, 4, id(roboto_font), COLOR_OFF, "OK");
+      } else {
+        it.print(128 - 26, 4, id(roboto_font), COLOR_OFF, "ERR");
+      }
+
+      if (!sensor_ok) {
+        it.printf(it.get_width() / 2, 40, id(roboto_font), TextAlign::CENTER, "SENSOR ERR");
+        return;
+      }
+
+      // 绘制主读数
+      it.printf(it.get_width() / 2, 34, id(roboto_font_large), TextAlign::CENTER, "%.3f", pressure);
+      it.print(it.get_width() - 2, 44, id(roboto_font), TextAlign::TOP_RIGHT, "MPa");
+      
+      // 绘制电压
+      it.printf(4, 52, id(roboto_font), TextAlign::TOP_LEFT, "Vs: %.3f V", voltage);
+      
+      // 绘制进度条
+      const int bar_x = 4, bar_y = 64 - 8, bar_w = 128 - 8, bar_h = 6;
+      it.rectangle(bar_x, bar_y, bar_w, bar_h, COLOR_ON);
+      float ratio = pressure / 0.2f;
+      if (ratio < 0.0f) ratio = 0.0f;
+      if (ratio > 1.0f) ratio = 1.0f;
+      int filled_w = (int)(ratio * (bar_w - 2));
+      if (filled_w > 0) {
+        it.filled_rectangle(bar_x + 1, bar_y + 1, filled_w, bar_h - 2, COLOR_ON);
+      }