Added typing and missing CP7 functions

[hackapet/Adafruit_Blinka_Displayio.git] / paralleldisplay.py

diff --git a/displayio/parallelbus.py b/paralleldisplay.py
similarity index 77%
rename from displayio/parallelbus.py
rename to paralleldisplay.py
index 7b4ea43491914d9b196cf846ecf4bf932ab92be6..f2aae8ddb29b00191f839e1a140e55ff135d4750 100644 (file)
--- a/displayio/parallelbus.py
+++ b/paralleldisplay.py
@@ -3,10 +3,10 @@
 # SPDX-License-Identifier: MIT
 
 """
-`displayio.parallelbus`
+`paralleldisplay`
 ================================================================================
 
-displayio for Blinka
+paralleldisplay for Blinka
 
 **Software and Dependencies:**
 
@@ -17,6 +17,9 @@ displayio for Blinka
 
 """
 
+import _typing
+import microcontroller
+
 __version__ = "0.0.0-auto.0"
 __repo__ = "https://github.com/adafruit/Adafruit_Blinka_displayio.git"
 
@@ -24,10 +27,20 @@ __repo__ = "https://github.com/adafruit/Adafruit_Blinka_displayio.git"
 class ParallelBus:
     """Manage updating a display over 8-bit parallel bus in the background while Python code
     runs. This protocol may be refered to as 8080-I Series Parallel Interface in datasheets.
-    It doesn’t handle display initialization.
+    It doesn't handle display initialization.
     """
 
-    def __init__(self, i2c_bus, *, device_address, reset=None):
+    def __init__(
+        self,
+        *,
+        data0: microcontroller.Pin,
+        command: microcontroller.Pin,
+        chip_select: microcontroller.Pin,
+        write: microcontroller.Pin,
+        read: microcontroller.Pin,
+        reset: microcontroller.Pin,
+        frequency: int = 30000000,
+    ):
         # pylint: disable=unnecessary-pass
         """Create a ParallelBus object associated with the given pins. The
         bus is inferred from data0 by implying the next 7 additional pins on a given GPIO
@@ -42,13 +55,13 @@ class ParallelBus:
         """
         pass
 
-    def reset(self):
+    def reset(self) -> None:
         """Performs a hardware reset via the reset pin. Raises an exception if called when
         no reset pin is available.
         """
         raise NotImplementedError("ParallelBus reset has not been implemented yet")
 
-    def send(self, command, data):
+    def send(self, command: int, data: _typing.ReadableBuffer) -> None:
         """Sends the given command value followed by the full set of data. Display state,
         such as vertical scroll, set via ``send`` may or may not be reset once the code is
         done.