DYP-A01

Use DYP-A01 ultrasonic distance sensor in Elixir.

Usage

# List available serial ports
iex> Circuits.UART.enumerate
%{
  "ttyAMA0" => %{},
  "ttyS0" => %{},
  "ttyUSB0" => %{
    description: "CP2102 USB to UART Bridge Controller",
    manufacturer: "Silicon Labs",
    product_id: 60000,
    serial_number: "0001",
    vendor_id: 4292
  }
}

# Start a gen server for interacting with a DYP-A01 sensor on port ttyAMA0
iex> {:ok, pid} = DYPA01.start_link(port_name: "ttyAMA0")
{:ok, #PID<0.1407.0>}

# Measure the current distance
iex> DYPA01.measure(pid)
{:ok, %DYPA01.Measurement{distance_mm: 1680, timestamp_ms: 321793}}