1 files changed, 63 insertions, 0 deletions
diff --git a/kvmd/atx.py b/kvmd/atx.py
new file mode 100644
index 00000000..9ce97386
--- /dev/null
+++ b/kvmd/atx.py
@@ -0,0 +1,63 @@
+import asyncio
+
+from typing import Dict
+
+from .logging import get_logger
+
+from . import aioregion
+from . import gpio
+
+
+# =====
+class AtxIsBusy(aioregion.RegionIsBusyError):
+    pass
+
+
+class Atx:
+    def __init__(
+        self,
+        power_led: int,
+        hdd_led: int,
+
+        power_switch: int,
+        reset_switch: int,
+        click_delay: float,
+        long_click_delay: float,
+    ) -> None:
+
+        self.__power_led = gpio.set_input(power_led)
+        self.__hdd_led = gpio.set_input(hdd_led)
+
+        self.__power_switch = gpio.set_output(power_switch)
+        self.__reset_switch = gpio.set_output(reset_switch)
+        self.__click_delay = click_delay
+        self.__long_click_delay = long_click_delay
+
+        self.__region = aioregion.AioExclusiveRegion(AtxIsBusy)
+
+    def get_state(self) -> Dict:
+        return {
+            "busy": self.__region.is_busy(),
+            "leds": {
+                "power": (not gpio.read(self.__power_led)),
+                "hdd": (not gpio.read(self.__hdd_led)),
+            },
+        }
+
+    async def click_power(self) -> None:
+        await self.__click(self.__power_switch, self.__click_delay)
+        get_logger().info("Clicked power")
+
+    async def click_power_long(self) -> None:
+        await self.__click(self.__power_switch, self.__long_click_delay)
+        get_logger().info("Clicked power (long press)")
+
+    async def click_reset(self) -> None:
+        await self.__click(self.__reset_switch, self.__click_delay)
+        get_logger().info("Clicked reset")
+
+    async def __click(self, pin: int, delay: float) -> None:
+        with self.__region:
+            for flag in (True, False):
+                gpio.write(pin, flag)
+                await asyncio.sleep(delay)