refactoring

kvmd/apps/cleanup/__init__.py

@@ -0,0 +1,40 @@
+import os
+import subprocess
+import time
+
+from ...application import init
+from ...logging import get_logger
+
+from ... import gpio
+
+
+# =====
+def main() -> None:
+    config = init()
+    logger = get_logger(0)
+
+    logger.info("Cleaning up ...")
+    with gpio.bcm():
+        for (name, pin) in [
+            ("hid_reset", config["hid"]["pinout"]["reset"]),
+            ("msd_target", config["msd"]["pinout"]["target"]),
+            ("msd_reset", config["msd"]["pinout"]["reset"]),
+            ("atx_power_switch", config["atx"]["pinout"]["power_switch"]),
+            ("atx_reset_switch", config["atx"]["pinout"]["reset_switch"]),
+            ("streamer_cap", config["streamer"]["pinout"]["cap"]),
+            ("streamer_conv", config["streamer"]["pinout"]["conv"]),
+        ]:
+            if pin > 0:
+                logger.info("Writing value=0 to pin=%d (%s)", pin, name)
+                gpio.set_output(pin, initial=False)
+
+    streamer = os.path.basename(config["streamer"]["cmd"][0])
+    logger.info("Trying to find and kill %r ...", streamer)
+    try:
+        subprocess.check_output(["killall", streamer], stderr=subprocess.STDOUT)
+        time.sleep(3)
+        subprocess.check_output(["killall", "-9", streamer], stderr=subprocess.STDOUT)
+    except subprocess.CalledProcessError:
+        pass
+
+    logger.info("Bye-bye")