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