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