hook analogio

[Adafruit_Blinka-hackapet.git] / src / analogio.py

diff --git a/src/analogio.py b/src/analogio.py
index 35a40ac03018d657eb9089c97c20f50e52c9d283..7d3f92af1ef75b5e02053d764ae566b99be8a411 100644 (file)
--- a/src/analogio.py
+++ b/src/analogio.py
@@ -1,53 +1,71 @@
+# SPDX-FileCopyrightText: 2021 Melissa LeBlanc-Williams for Adafruit Industries
+#
+# SPDX-License-Identifier: MIT
 """
 `analogio` - Analog input and output control
-=================================================
+============================================
 See `CircuitPython:analogio` in CircuitPython for more details.
-* Author(s): Carter Nelson
+Not supported by all boards.
+
+* Author(s): Carter Nelson, Melissa LeBlanc-Williams
 """
+import os
+import sys
 
-from adafruit_blinka.agnostic import board_id, detector
+from adafruit_blinka.agnostic import detector
 
-# pylint: disable=ungrouped-imports,wrong-import-position
+# pylint: disable=ungrouped-imports,wrong-import-position,unused-import
 
 if detector.board.microchip_mcp2221:
-    from adafruit_blinka.microcontroller.mcp2221.pin import Pin
+    if "BLINKA_FORCECHIP" not in os.environ:
+        from adafruit_blinka.microcontroller.mcp2221.analogio import AnalogIn
+        from adafruit_blinka.microcontroller.mcp2221.analogio import AnalogOut
+    elif os.environ["BLINKA_FORCECHIP"] == "MCP2221":
+        from adafruit_blinka.microcontroller.fake_mcp2221.analogio import AnalogIn
+        from adafruit_blinka.microcontroller.fake_mcp2221.analogio import AnalogOut
+elif detector.board.greatfet_one:
+    from adafruit_blinka.microcontroller.nxp_lpc4330.analogio import AnalogIn
+    from adafruit_blinka.microcontroller.nxp_lpc4330.analogio import AnalogOut
+elif detector.board.any_odroid_40_pin:
+    from adafruit_blinka.microcontroller.generic_linux.sysfs_analogin import AnalogIn
+elif detector.board.any_siemens_simatic_iot2000:
+    from adafruit_blinka.microcontroller.am65xx.analogio import AnalogIn
+    from adafruit_blinka.microcontroller.am65xx.analogio import AnalogOut
+elif detector.chip.RK3308:
+    from adafruit_blinka.microcontroller.generic_linux.sysfs_analogin import AnalogIn
+elif detector.chip.RK3399:
+    from adafruit_blinka.microcontroller.generic_linux.sysfs_analogin import AnalogIn
+elif detector.chip.RK3588:
+    from adafruit_blinka.microcontroller.generic_linux.sysfs_analogin import AnalogIn
+elif detector.chip.RK3568:
+    from adafruit_blinka.microcontroller.generic_linux.sysfs_analogin import AnalogIn
+elif detector.chip.RK3566:
+    from adafruit_blinka.microcontroller.generic_linux.sysfs_analogin import AnalogIn
+elif detector.chip.IMX6ULL:
+    from adafruit_blinka.microcontroller.generic_linux.sysfs_analogin import AnalogIn
+elif detector.chip.STM32MP157:
+    from adafruit_blinka.microcontroller.generic_linux.sysfs_analogin import AnalogIn
+elif detector.chip.A10:
+    from adafruit_blinka.microcontroller.generic_linux.sysfs_analogin import AnalogIn
+elif detector.chip.A20:
+    from adafruit_blinka.microcontroller.generic_linux.sysfs_analogin import AnalogIn
+elif "sphinx" in sys.modules:
+    pass
+elif detector.board.pico_u2if:
+    from adafruit_blinka.microcontroller.rp2040_u2if.analogio import (
+        AnalogIn_Pico as AnalogIn,
+    )
+elif detector.board.feather_u2if:
+    from adafruit_blinka.microcontroller.rp2040_u2if.analogio import (
+        AnalogIn_Feather as AnalogIn,
+    )
+elif detector.board.qtpy_u2if:
+    from adafruit_blinka.microcontroller.rp2040_u2if.analogio import (
+        AnalogIn_QTPY as AnalogIn,
+    )
+elif detector.board.itsybitsy_u2if:
+    from adafruit_blinka.microcontroller.rp2040_u2if.analogio import (
+        AnalogIn_ItsyBitsy as AnalogIn,
+    )
 else:
     raise NotImplementedError("analogio not supported for this board.")
-
-from adafruit_blinka import ContextManaged
-
-
-class AnalogIn(ContextManaged):
-    def __init__(self, pin):
-        self._pin = Pin(pin.id)
-        self._pin.init(mode=Pin.ADC)
-
-    @property
-    def value(self):
-        return self._pin.value()
-
-    @value.setter
-    def value(self, value):
-        # emulate what CircuitPython does
-        raise AttributeError("'AnalogIn' object has no attribute 'value'")
-
-    def deinit(self):
-        del self._pin
-
-
-class AnalogOut(ContextManaged):
-    def __init__(self, pin):
-        self._pin = Pin(pin.id)
-        self._pin.init(mode=Pin.DAC)
-
-    @property
-    def value(self):
-        # emulate what CircuitPython does
-        raise AttributeError("unreadable attribute")
-
-    @value.setter
-    def value(self, value):
-        self._pin.value(value)
-
-    def deinit(self):
-        del self._pin