esphome:
  name: esp32-eltek-can

esp32:
  board: wemos_d1_mini32
  framework:
    type: arduino

wifi:
  networks:
  - ssid: !secret wifi_ssid
    password: !secret wifi_password

api:
ota:
logger:

globals:
  - id: temp_inlet
    type: int
    restore_value: no
    initial_value: '0'
  - id: temp_outlet
    type: int
    restore_value: no
    initial_value: '0'
  - id: voltage_input
    type: int
    restore_value: no
    initial_value: '0'
  - id: voltage_output
    type: float
    restore_value: no
    initial_value: '0'
  - id: current_output
    type: float
    restore_value: no
    initial_value: '0'
  - id: serial_number
    type: uint8_t[6]
  - id: current_limiting
    type: bool
    initial_value: 'false'

web_server:
  port: 80

canbus:
  - platform: esp32_can
    rx_pin: GPIO18
    tx_pin: GPIO19
    can_id: 1
    id: eltek
    use_extended_id: true
    bit_rate: 125kbps
    on_frame:
    - can_id:      0  # listen to all messages
      can_id_mask: 0
      use_extended_id: true
      then:
        - lambda: |-
            char buf[29];
            // DGN
            // Source Address (SA)
            // Priority
            // Data (8 bytes)
            int dgn = (can_id >>8) & 0x1ffff;
            int pri = (can_id >> 26) & 0b111;
            int sa  = can_id & 0xff;
            snprintf((char*)&buf, sizeof(buf), "%05X,%02X,%1X,%02X%02X%02X%02X%02X%02X%02X%02X", dgn, sa, pri, x[0], x[1], x[2], x[3], x[4], x[5], x[6], x[7]);
            id(rvc_rx).publish_state((const char*)&buf);
            ESP_LOGI("can", "%s", (const char*)&buf);

sensor:
  - platform: template
    id: eltek_temp_inlet
    name: "Eltek inlet temperature"
    device_class: temperature
    unit_of_measurement: "°C"
    accuracy_decimals: 0
    update_interval: 1s
    lambda: |-
      return (id(temp_inlet));
  - platform: template
    id: eltek_temp_outlet
    name: "Eltek outlet temperature"
    device_class: temperature
    unit_of_measurement: "°C"
    accuracy_decimals: 0
    update_interval: 1s
    lambda: |-
      return (id(temp_outlet));
  - platform: template
    id: eltek_voltage_input
    name: "Eltek voltage input"
    device_class: voltage
    unit_of_measurement: "V"
    accuracy_decimals: 0
    update_interval: 1s
    lambda: |-
      return (id(voltage_input));
  - platform: template
    id: eltek_voltage_output
    name: "Eltek voltage output"
    device_class: voltage
    unit_of_measurement: "V"
    accuracy_decimals: 2
    update_interval: 1s
    lambda: |-
      return (id(voltage_output));
  - platform: template
    id: eltek_cell_voltage
    name: "Eltek cell voltage (13S Li-ion)"
    device_class: voltage
    unit_of_measurement: "V"
    accuracy_decimals: 2
    update_interval: 1s
    lambda: |-
      return (id(voltage_output) / 13);
  - platform: template
    id: eltek_current_output
    name: "Eltek current output"
    device_class: current
    unit_of_measurement: "A"
    accuracy_decimals: 2
    update_interval: 1s
    lambda: |-
      return (id(current_output));
  - platform: template
    id: eltek_power_output
    name: "Eltek power output"
    device_class: power
    unit_of_measurement: "W"
    accuracy_decimals: 2
    update_interval: 1s
    lambda: |-
      return (id(current_output) * id(voltage_output));

number:
  - platform: template
    id: eltek_voltage
    name: "Eltek FP2 voltage"
    device_class: voltage
    unit_of_measurement: "V"
    update_interval: 5s
    restore_value: true
    min_value: 44.50
    max_value: 57.60
    step: 0.1
    optimistic: true
    mode: box

  - platform: template
    id: eltek_current
    name: "Eltek FP2 current"
    device_class: current
    unit_of_measurement: "A"
    update_interval: 5s
    restore_value: true
    min_value: 0.10
    max_value: 41.70
    step: 0.1
    optimistic: true
    mode: box

switch:
  - platform: restart
    name: "ESPhome Eltek FP2 restart"

binary_sensor:
  - platform: template
    name: "Current limiting active"
    lambda: |-
      if (id(current_limiting)) {
        return true;
      } else {
        return false;
      }

text_sensor:
  - platform: wifi_info
    ip_address:
      name: ESP IP Address
    ssid:
      name: ESP Connected SSID

  - platform: template
    name: "Flatpack2 temperatures"
    lambda: |-
      char buf[200];
      sprintf(buf, "%.0f°C / %.0f°C", id(eltek_temp_inlet).state, id(eltek_temp_outlet).state);
      return (std::string) buf;
    update_interval: 1s