src/nenuscanner/leds.py

@@ -1,8 +1,7 @@
-from gpiozero import PWMLED
+import gpiod
 
 from . import config
 
-GPIO_LED_MAX_PWM_VALUE = 0.8
 
 class Leds:
     def __enter__(self):
@@ -16,42 +15,39 @@ class Leds:
 
     def off(self):
         pass
+    
+    
+
 
 class GpioLed:
     def __init__(self, gpio_pin: int):
         self.gpio_pin = gpio_pin
         self.led = None
 
-    def enter(self):
-        self.led = PWMLED(
-            self.gpio_pin,
-            initial_value=1.0,
-            frequency=200,
-        )
+    def enter(self, chip: gpiod.Chip):
+        self.led = chip.get_line(self.gpio_pin)
+        self.led.request(consumer=str(self), type=gpiod.LINE_REQ_DIR_OUT)
         self.off()
 
     def exit(self):
         self.off()
-        self.led.close()
+        self.led.release()
         self.led = None
 
-    def set_value(self, value: float):
-        value = min(1.0, max(0.0, value))
-        self.led.set_value(1.0 - GPIO_LED_MAX_PWM_VALUE * value)
-
     def on(self):
-        self.set_value(0)
+        self.led.set_value(0)
 
     def off(self):
-        self.set_value(1)
+        self.led.set_value(1)
 
     def __str__(self):
         return f'LED{self.gpio_pin:02}'
 
 
 class GpioLeds(Leds):
-    def __init__(self, gpio_pins: list[int]):
+    def __init__(self, chip: str, gpio_pins: list[int]):
         self._entered = False
+        self.chip = gpiod.Chip(chip)
         self.leds = []
 
         for pin in gpio_pins:
@@ -61,7 +57,7 @@ class GpioLeds(Leds):
         if not self._entered:
             self._entered = True
             for led in self.leds:
-                led.enter()
+                led.enter(self.chip)
         return self
 
     def __exit__(self, *args):
@@ -77,7 +73,7 @@ class GpioLeds(Leds):
     def on(self):
         for led in self.leds:
             led.on()
-
+    
     def enter(self):
         return self.__enter__()
 
@@ -88,7 +84,7 @@ class GpioLeds(Leds):
         for led in self.leds:
             if led.gpio_pin == uuid:
                 return led
-        raise ValueError(f"No LED with UUID {uuid}")
+        raise ValueError(f"No LED with UUID {uuid}")    
 
 class DummyLed:
     def __init__(self, gpio_pin: int):
@@ -133,7 +129,7 @@ class DummyLeds(Leds):
     def on(self):
         for led in self.leds:
             led.on()
-
+    
     def enter(self):
         return self.__enter__()
 
@@ -144,10 +140,10 @@ class DummyLeds(Leds):
         for led in self.leds:
             if led.gpio_pin == uuid:
                 return led
-        raise ValueError(f"No LED with UUID {uuid}")
+        raise ValueError(f"No LED with UUID {uuid}")    
 
 
-_leds = GpioLeds(config.LEDS_UUIDS) if config.GPIO_CHIP is not None else DummyLeds(config.LEDS_UUIDS)
+_leds = GpioLeds(config.GPIO_CHIP, config.LEDS_UUIDS) if config.GPIO_CHIP is not None else DummyLeds(config.LEDS_UUIDS)
 
 
 def get() -> Leds: