shutdown on pin

default.toml

@@ -2,6 +2,7 @@ fire_servo_range = [65, 150] #90 is onder de buis
 fire_delay = 1.0
 stepper_range = [0, 300] # tweak this not sure about the range, was not used in old code
 communicator = "raw"
+shutdown_pin = 17
 
 [gcode]
 port = "COM8"

main.py

@@ -1,10 +1,11 @@
 import argparse
+import time
 
 from communicator.communicator_mock import MockCommunicator
 from communicator.communicator_serial import SerialCommunicator
 from controller.sjoel_controller_gcode import SjoelControllerGcode
 from server.sjoel_server_socket import SjoelServerSocket
-from settings.device_settings import CommunicatorType
+from settings.device_settings import CommunicatorType, DeviceSettings
 from settings.hosting_settings import HostingSettings
 
 
@@ -59,10 +60,34 @@ def create_app(config: HostingSettings | None = None):
         else:
             raise ValueError("Invalid communicator type")
 
+    if device_settings.shutdown_pin is not None:
+        import pigpio
+        pi = pigpio.pi()
+        pi.set_mode(device_settings.shutdown_pin, pigpio.INPUT)
+        pi.set_pull_up_down(device_settings.shutdown_pin, pigpio.PUD_DOWN)
+        pi.callback(device_settings.shutdown_pin, pigpio.RISING_EDGE, lambda: shutdown(device_settings))
+
     # Create server
     return SjoelServerSocket(controller).init()
 
 
+def shutdown(device_settings: DeviceSettings):
+    print("Shutting down")
+
+    import os
+    os.system("sudo shutdown -h now")
+
+    if device_settings.shutdown_led_pin is not None:
+        import pigpio
+        pi = pigpio.pi()
+        pi.set_mode(device_settings.shutdown_led_pin, pigpio.OUTPUT)
+        while True:
+            pi.write(device_settings.shutdown_led_pin, 1)
+            time.sleep(0.1)
+            pi.write(device_settings.shutdown_led_pin, 0)
+            time.sleep(0.1)
+
+
 if __name__ == '__main__':
     # load settings
     hosting_settings = parse_hosting_settings()

settings/device_settings.py

@@ -1,5 +1,4 @@
 import enum
-from typing import Literal
 
 import toml
 from pydantic import BaseModel
@@ -18,6 +17,8 @@ class DeviceSettings(BaseModel):
     fire_delay: float
     stepper_range: tuple[int, int]
     communicator: CommunicatorType
+    shutdown_pin: int | None = None
+    shutdown_led_pin: int | None = None
     gcode: GcodeSettings | None = None
     raw: RawControlsSettings | None = None