From a8049bb66f7bc62c9a33488615d0990e0a920520 Mon Sep 17 00:00:00 2001
From: HampusM <hampus@hampusmat.com>
Date: Mon, 14 Feb 2022 09:53:28 +0100
Subject: build: add utility scripts

---
 tools/monitor.py | 44 ++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 44 insertions(+)
 create mode 100644 tools/monitor.py

(limited to 'tools/monitor.py')

diff --git a/tools/monitor.py b/tools/monitor.py
new file mode 100644
index 0000000..f909efb
--- /dev/null
+++ b/tools/monitor.py
@@ -0,0 +1,44 @@
+"""Serial monitor."""
+import argparse
+import sys
+import asyncio
+import os
+
+if os.name == "nt":  # NT-based operating systems (Windows)
+    from serial.serialwin32 import Serial
+elif os.name == "posix":
+    from serial.serialposix import Serial
+else:
+    raise NotImplementedError(
+        "Sorry no implementation for your platform ({}) available."
+        .format(sys.platform)
+    )
+
+
+async def read(port: str, baud_rate: int):
+    """Reads a serial port."""
+    with Serial(port, baud_rate) as serial_port:
+        while(serial_port.is_open):
+            sys.stdout.buffer.write(serial_port.read())
+            sys.stdout.flush()
+
+
+async def main():
+    """Monitors serial output."""
+    parser = argparse.ArgumentParser(
+        description="A tool for monitoring a Arduino")
+
+    parser.add_argument(
+        "port", help="A serial device port e.g. /dev/ttyACM0 or com3")
+    parser.add_argument("baud_rate", help="The serial device baud rate")
+
+    args = parser.parse_args()
+
+    await read(args.port, args.baud_rate)
+
+if __name__ == "__main__":
+    try:
+        asyncio.run(main())
+    except KeyboardInterrupt:
+        print("\nReceived keyboard interrupt. Exiting...")
+        exit(0)
-- 
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