From 760585f9a62792381d0f8c15265caee57028a92b Mon Sep 17 00:00:00 2001
From: Pedro <ptsmonteiro@gmail.com>
Date: Mon, 6 Nov 2023 21:44:36 +0100
Subject: [PATCH] Add endpoints GET /devices/audio and GET /devices/serial

---
 modem/serial_ports.py | 19 +++++++++++++++++++
 modem/server.py       | 14 +++++++++++++-
 2 files changed, 32 insertions(+), 1 deletion(-)
 create mode 100644 modem/serial_ports.py

diff --git a/modem/serial_ports.py b/modem/serial_ports.py
new file mode 100644
index 00000000..e4151a81
--- /dev/null
+++ b/modem/serial_ports.py
@@ -0,0 +1,19 @@
+import serial.tools.list_ports
+import crcengine
+
+def get_ports():
+    crc_algorithm = crcengine.new("crc16-ccitt-false")  # load crc8 library
+
+    serial_devices = []
+    ports = serial.tools.list_ports.comports()
+    print(ports)
+    for port, desc, hwid in ports:
+        # calculate hex of hwid if we have unique names
+        crc_hwid = crc_algorithm(bytes(hwid, encoding="utf-8"))
+        crc_hwid = crc_hwid.to_bytes(2, byteorder="big")
+        crc_hwid = crc_hwid.hex()
+        description = f"{desc} [{crc_hwid}]"
+        serial_devices.append(
+            {"port": str(port), "description": str(description)}
+        )
+    return serial_devices
diff --git a/modem/server.py b/modem/server.py
index 1547910f..131acf9c 100644
--- a/modem/server.py
+++ b/modem/server.py
@@ -1,8 +1,9 @@
 from flask import Flask, request, jsonify
 from flask_sock import Sock
 import os
-import json
+import serial_ports
 from config import CONFIG
+import audio
 
 app = Flask(__name__)
 sock = Sock(app)
@@ -55,6 +56,17 @@ def config():
     elif request.method == 'GET':
         return api_response(app.config_manager.read())
 
+@app.route('/devices/audio', methods=['GET'])
+def get_audio_devices():
+    dev_in, dev_out = audio.get_audio_devices()
+    devices = { 'in': dev_in, 'out': dev_out }
+    return api_response(devices)
+
+@app.route('/devices/serial', methods=['GET'])
+def get_serial_devices():
+    devices = serial_ports.get_ports()
+    return api_response(devices)
+
 # Event websocket
 @sock.route('/events')
 def echo(sock):