mpd frontend

Author: brainsmoke

scripts/pad_daemon.py

@@ -0,0 +1,60 @@
+#!/usr/bin/env python3
+
+import subprocess, os, time
+
+TTY="/dev/ttyACM0"
+
+cmd_map = {
+    b'1': ['true'],
+	b'2': ['mpc', 'volume', '+2'],
+    b'3': ['true'],
+    b'X': ['true'],
+
+    b'4': ['mpc', 'prev'],
+    b'5': ['mpc', 'toggle'],
+    b'6': ['mpc', 'next'],
+    b'Y': ['true'],
+
+    b'7': ['true'],
+	b'8': ['mpc', 'volume', '-2'],
+    b'9': ['true'],
+    b'Y': ['true'],
+
+    b'C': ['true'],
+    b'0': ['true'],
+    b'B': ['true'],
+    b'W': ['true'],
+}
+
+
+def run_cmd(f, args):
+    output = subprocess.check_output(args)
+    lines = output.split(b'\n')
+    if lines[1].startswith(b'[playing]'):
+        f.write(b'P')
+    else:
+        f.write(b'O')
+    f.flush()
+
+def run():
+
+    try:
+        subprocess.check_output(['stty', '-F', TTY, 'raw'])
+    except subprocess.CalledProcessError:
+        return
+
+    with open(TTY, 'r+b', buffering=0) as f:
+
+        run_cmd(f, ['mpc'])
+
+        c = None
+        while c != b'':
+            c = f.read(1)
+            cmd = cmd_map.get(c, None)
+            if cmd:
+                run_cmd(f, cmd)
+ 
+while True:
+    run()
+    time.sleep(1)
+