Created
December 19, 2023 01:26
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defmodule UartListener do | |
use GenServer | |
@serial_port "/dev/cu.usbserial-2210" # e.g., "/dev/ttyUSB0" | |
@baud_rate 115200 | |
# @ic7300_address "94" # Hexadecimal address of IC-7300 | |
# @controller_address "E0" # Hexadecimal address of the controller (PC) | |
# Client | |
def start_link(args) do | |
GenServer.start_link(__MODULE__, args, name: __MODULE__) | |
end | |
def send_data(pid, data) do | |
GenServer.call(pid, {:send_data, data}) | |
end | |
def init(%{} = _state) do | |
{:ok, pid} = Circuits.UART.start_link() | |
case Circuits.UART.open(pid, @serial_port, speed: @baud_rate) do | |
:ok -> | |
{:ok, %{pid: pid}} | |
{:error, reason} -> {:stop, reason} | |
end | |
end | |
def handle_info({:circuits_uart, _port, data}, state) do | |
process_uart_data(data) | |
{:noreply, state} | |
end | |
defp process_uart_data(data) do | |
data | |
|> :erlang.binary_to_list() | |
|> Enum.map(&Integer.to_string(&1, 16)) | |
|> control_command() | |
end | |
# listen for frequency change | |
def control_command(["FE", "FE", "0", "94", "0" | rest]) do | |
IO.puts("FREQUENCY") | |
info = List.delete_at(rest, length(rest) - 1) |> Enum.reverse |> Enum.join | |
IO.puts("ORIGINAL: #{info} | NEW: #{format_frequency(info)}") | |
end | |
# listen for mode / filter change | |
def control_command(["FE", "FE", "0", "94", "1" | rest]) do | |
IO.puts("MODE") | |
IO.inspect(rest) | |
end | |
def parse_uart_data(data) do | |
[command | rest] = data | |
IO.puts("COMMAND #{command}") | |
IO.inspect(rest) | |
end | |
def handle_info(data, state) do | |
{:noreply, state} | |
end | |
def format_frequency(number) do | |
number | |
|> String.reverse() | |
|> String.graphemes() | |
|> Enum.chunk_every(3, 3, :discard) | |
|> Enum.map(&Enum.join(&1, "")) | |
|> Enum.join(".") | |
|> String.reverse() | |
end | |
e |
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