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I modified the component to remove all Adafruit library dependencies and instead use a lightweight, self-contained ESPHome driver for ADXL345. After these changes, multiple ADXL345 sensors can be used in combination with a TCA9548A I²C multiplexer without conflicts.
346 lines
9.4 KiB
YAML
346 lines
9.4 KiB
YAML
#
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# EspHome device that controls the inclination of a bed. Assumes the Esp32
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# is connected to a 12V motor via a motor controller with GPIO4 and 5
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# connected to the forward and reverse PWM inputs. Also requires an
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# ADXL345 accelerometer that is mounted under the bed frame in such a way
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# that its tilt angle can be determined based on it becoming "off_vertical".
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# This is used to stop the bed motor once the ADXL345 tells this Esp32 the
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# bed is inclined as desired. I also have an LCD readout but that is optional.
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#
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esphome:
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name: bed-controller2
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friendly_name: Bed Controller2
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on_boot:
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# network not up yet when at 600 priority
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- priority: 600
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then:
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- light.turn_on:
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id: onboard_led
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red: 100%
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green: 0%
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blue: 0%
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# network and mqtt are up, turn light green off and enable motor
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- priority: 200
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then:
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- output.turn_on: motor_ren
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- output.turn_on: motor_len
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- delay: 10s
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- light.turn_off:
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id: onboard_led
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- lambda: |-
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id(lcd).no_backlight();
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comment: esp32-c3-devkitm-1
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libraries:
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- "Wire"
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- "SPI"
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- "Adafruit BusIO"
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- "Adafruit Unified Sensor"
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- "Adafruit ADXL345"
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external_components:
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- source:
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type: git
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url: https://github.com/jdillenburg/esphome
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ref: main
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components: [ adxl345 ]
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packages:
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wifi: !include { file: "packages/wifi.yaml", vars: { ssid: "bed-controller" }}
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esp32:
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board: esp32-c3-devkitm-1
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framework:
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type: arduino
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# Enable logging
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logger:
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level: WARN
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# Enable Home Assistant API
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api:
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encryption:
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key: !secret bed_controller2_api_key
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ota:
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- platform: esphome
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password: "630cb512ba32dcd66c55220b3921a0b0"
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# Sync time with Home Assistant.
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time:
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- platform: homeassistant
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id: homeassistant_time
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# Text sensors with general information.
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text_sensor:
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# Expose ESPHome version as sensor.
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- platform: version
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name: ESPHome Version
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# Expose WiFi information as sensors.
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- platform: wifi_info
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ip_address:
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name: IP
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ssid:
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name: SSID
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bssid:
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name: BSSID
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switch:
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- platform: restart
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name: "Restart"
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globals:
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- id: motor_speed
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type: float
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restore_value: False
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initial_value: '10'
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- id: num_speeds
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type: int
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restore_value: False
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initial_value: '2'
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- id: motor_dir_char
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type: std::string
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initial_value: '"+"'
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output:
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- platform: ledc
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pin: GPIO4
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id: motor_forward_pin
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- platform: ledc
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pin: GPIO5
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id: motor_reverse_pin
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- platform: gpio
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pin: GPIO6
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id: motor_ren
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- platform: gpio
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pin: GPIO7
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id: motor_len
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fan:
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- platform: hbridge
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id: bed_motor
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name: "Bed Motor"
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pin_a: motor_forward_pin
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pin_b: motor_reverse_pin
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decay_mode: slow
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number:
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- platform: template
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name: Lower limit
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id: bed_lower_limit
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icon: "mdi:cogs"
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optimistic: true
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restore_value: true
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initial_value: "0.0"
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min_value: -90.0
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max_value: 90.0
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step: 1.0
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unit_of_measurement: degrees
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on_value:
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then:
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- script.execute: start_motor_if_needed
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- platform: template
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name: Upper limit
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id: bed_upper_limit
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icon: "mdi:cogs"
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optimistic: true
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restore_value: true
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initial_value: "45.0"
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min_value: -90.0
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max_value: 90.0
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step: 1.0
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unit_of_measurement: degrees
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on_value:
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then:
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- script.execute: start_motor_if_needed
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- platform: template
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name: Accuracy
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id: accuracy
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icon: "mdi:cogs"
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optimistic: true
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restore_value: true # If you don't want to store the setting at ESP, set it to false.
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initial_value: "2.0" # Default accuracy Setting 2%
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min_value: 0.0
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max_value: 100.0
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step: 1.0
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on_value:
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then:
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- script.execute: start_motor_if_needed
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- platform: template
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name: Desired percentage
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id: bed_desired_position
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icon: "mdi:cogs"
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optimistic: true
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restore_value: true # If you don't want to store the setting at ESP, set it to false.
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initial_value: "0.0" # Default desired position Setting
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min_value: 0.0
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max_value: 100.0
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step: 1.0
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unit_of_measurement: percentage
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on_value:
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then:
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- script.execute: start_motor_if_needed
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- platform: template
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name: Max motor speed
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id: max_speed
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icon: "mdi:cogs"
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optimistic: true
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restore_value: true # If you don't want to store the setting at ESP, set it to false.
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initial_value: "90.0" # Default desired max_speed setting
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min_value: 0.0
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max_value: 100.0
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step: 5.0
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unit_of_measurement: percentage
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on_value:
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then:
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- script.execute: start_motor_if_needed
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light:
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- platform: esp32_rmt_led_strip
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chipset: WS2811
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pin: GPIO8
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num_leds: 1
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rgb_order: GRB
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restore_mode: RESTORE_DEFAULT_ON
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id: onboard_led
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name: "Status light"
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# turn LCD backlight on and off along with status LED
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on_turn_off:
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then:
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- lambda: |-
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id(lcd).no_backlight();
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on_turn_on:
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then:
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- lambda: |-
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id(lcd).backlight();
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i2c:
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sda: GPIO0
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scl: GPIO1
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frequency: 400kHz
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adxl345:
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id: adxl345_sensor
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address: 0x53
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update_interval: 100ms
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off_vertical:
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id: bed_angle
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name: "Bed Angle"
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unit_of_measurement: degrees
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filters:
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- sliding_window_moving_average:
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window_size: 5
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send_every: 5
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- throttle_average: 10s
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on_value:
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then:
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- lambda: |-
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id(bed_position).publish_state(100 * (id(bed_angle).state - id(bed_lower_limit).state) / (id(bed_upper_limit).state - id(bed_lower_limit).state));
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- script.execute: start_motor_if_needed
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jitter:
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id: jitter_raw
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internal: True
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unit_of_measurement: "m/s²"
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accuracy_decimals: 3
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sensor:
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- platform: template
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id: bed_position
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accuracy_decimals: 0
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name: "Bed Position"
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update_interval: never
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lambda: return 100 * (id(bed_angle).state - id(bed_lower_limit).state) / (id(bed_upper_limit).state - id(bed_lower_limit).state);
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script:
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- id: calc_motor_speed
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then:
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- lambda: |-
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float diff = abs(id(bed_desired_position).state - id(bed_position).state);
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float speed_size = id(max_speed).state / id(num_speeds);
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if (diff > 20) {
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id(motor_speed) = id(max_speed).state;
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}
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else if (diff > 10 && id(num_speeds) > 1) {
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id(motor_speed) = speed_size * 2;
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}
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else {
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id(motor_speed) = speed_size;
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}
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- id: start_motor_if_needed
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then:
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- script.execute: calc_motor_speed
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- if:
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condition:
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lambda: 'return id(bed_position).state < -id(accuracy).state;'
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then:
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- logger.log: 'bed lower then lower limit!'
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- fan.turn_on:
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id: bed_motor
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direction: FORWARD
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speed:
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!lambda |-
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id(motor_dir_char) = "+";
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return id(motor_speed);
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else:
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- if:
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condition:
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lambda: 'return id(bed_position).state > 100.0 + id(accuracy).state;'
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then:
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- logger.log: 'bed higher than high limit!'
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- fan.turn_on:
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id: bed_motor
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direction: REVERSE
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speed:
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!lambda |-
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id(motor_dir_char) = "-";
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return id(motor_speed);
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else:
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- if:
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condition:
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- lambda: 'return id(bed_position).state < id(bed_desired_position).state - id(accuracy).state;'
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then:
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- logger.log: 'bed lower than desired, moving up'
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- fan.turn_on:
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id: bed_motor
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direction: FORWARD
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speed:
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!lambda |-
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id(motor_dir_char) = "+";
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return id(motor_speed);
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else:
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- if:
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condition:
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- lambda: 'return id(bed_position).state > id(bed_desired_position).state + id(accuracy).state;'
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then:
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- logger.log: 'bed higher than desired, moving down'
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- fan.turn_on:
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id: bed_motor
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direction: REVERSE
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speed:
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!lambda |-
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id(motor_dir_char) = "-";
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return id(motor_speed);
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else:
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- fan.turn_off: bed_motor
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- lambda: |-
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id(motor_dir_char) = " ";
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id(motor_speed) = 0.0;
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display:
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- platform: lcd_pcf8574
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id: lcd
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dimensions: 16x2
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address: 0x27
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update_interval: 30s
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lambda: |-
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static bool toggle = false;
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toggle = !toggle;
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if (toggle) {
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it.printf(0, 0, "I:%.0f%% ", id(bed_desired_position).state);
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} else {
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it.printf(0, 1, "D:%.0f%% ", id(bed_position).state);
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} |