docs: Rename uasyncio to asyncio.

This work was funded through GitHub Sponsors.

Signed-off-by: Jim Mussared <jim.mussared@gmail.com>

docs/library/asyncio.rst

@@ -1,7 +1,7 @@
-:mod:`uasyncio` --- asynchronous I/O scheduler
-==============================================
+:mod:`asyncio` --- asynchronous I/O scheduler
+=============================================
 
-.. module:: uasyncio
+.. module:: asyncio
    :synopsis: asynchronous I/O scheduler for writing concurrent code
 
 |see_cpython_module|
@@ -9,27 +9,27 @@
 
 Example::
 
-    import uasyncio
+    import asyncio
 
     async def blink(led, period_ms):
         while True:
             led.on()
-            await uasyncio.sleep_ms(5)
+            await asyncio.sleep_ms(5)
             led.off()
-            await uasyncio.sleep_ms(period_ms)
+            await asyncio.sleep_ms(period_ms)
 
     async def main(led1, led2):
-        uasyncio.create_task(blink(led1, 700))
-        uasyncio.create_task(blink(led2, 400))
-        await uasyncio.sleep_ms(10_000)
+        asyncio.create_task(blink(led1, 700))
+        asyncio.create_task(blink(led2, 400))
+        await asyncio.sleep_ms(10_000)
 
     # Running on a pyboard
     from pyb import LED
-    uasyncio.run(main(LED(1), LED(2)))
+    asyncio.run(main(LED(1), LED(2)))
 
     # Running on a generic board
     from machine import Pin
-    uasyncio.run(main(Pin(1), Pin(2)))
+    asyncio.run(main(Pin(1), Pin(2)))
 
 Core functions
 --------------
@@ -71,9 +71,9 @@ Additional functions
     than *timeout* seconds.  If *awaitable* is not a task then a task will be
     created from it.
 
-    If a timeout occurs, it cancels the task and raises ``uasyncio.TimeoutError``:
+    If a timeout occurs, it cancels the task and raises ``asyncio.TimeoutError``:
     this should be trapped by the caller.  The task receives
-    ``uasyncio.CancelledError`` which may be ignored or trapped using ``try...except``
+    ``asyncio.CancelledError`` which may be ignored or trapped using ``try...except``
     or ``try...finally`` to run cleanup code.
 
     Returns the return value of *awaitable*.
@@ -108,7 +108,7 @@ class Task
 
 .. method:: Task.cancel()
 
-    Cancel the task by injecting ``uasyncio.CancelledError`` into it.  The task may
+    Cancel the task by injecting ``asyncio.CancelledError`` into it.  The task may
     ignore this exception.  Cleanup code may be run by trapping it, or via
     ``try ... finally``.
 
@@ -148,7 +148,7 @@ class ThreadSafeFlag
 .. class:: ThreadSafeFlag()
 
     Create a new flag which can be used to synchronise a task with code running
-    outside the uasyncio loop, such as other threads, IRQs, or scheduler
+    outside the asyncio loop, such as other threads, IRQs, or scheduler
     callbacks.  Flags start in the cleared state.  The class does not currently
     work under the Unix build of MicroPython.
 

docs/library/espnow.rst

@@ -632,7 +632,7 @@ Supporting asyncio
 ------------------
 
 A supplementary module (`aioespnow`) is available to provide
-:doc:`asyncio<uasyncio>` support.
+:doc:`asyncio<asyncio>` support.
 
 **Note:** Asyncio support is available on all ESP32 targets as well as those
 ESP8266 boards which include the asyncio module (ie. ESP8266 devices with at
@@ -642,7 +642,7 @@ A small async server example::
 
     import network
     import aioespnow
-    import uasyncio as asyncio
+    import asyncio
 
     # A WLAN interface must be active to send()/recv()
     network.WLAN(network.STA_IF).active(True)
@@ -680,7 +680,7 @@ A small async server example::
     asyncio.run(main(e, peer, 120, 10))
 
 .. module:: aioespnow
-    :synopsis: ESP-NOW :doc:`uasyncio` support
+    :synopsis: ESP-NOW :doc:`asyncio` support
 
 .. class:: AIOESPNow()
 

docs/library/index.rst

@@ -57,6 +57,7 @@ library.
    :maxdepth: 1
 
    array.rst
+   asyncio.rst
    binascii.rst
    builtins.rst
    cmath.rst
@@ -77,7 +78,6 @@ library.
    struct.rst
    sys.rst
    time.rst
-   uasyncio.rst
    zlib.rst
    _thread.rst
 

docs/library/machine.I2S.rst

@@ -47,7 +47,7 @@ I2S objects can be created and initialized using::
 3 modes of operation are supported:
  - blocking
  - non-blocking
- - uasyncio
+ - asyncio
 
 blocking::
 
@@ -63,13 +63,13 @@ non-blocking::
    audio_in.irq(i2s_callback)          # i2s_callback is called when buf is filled
    num_read = audio_in.readinto(buf)   # returns immediately
 
-uasyncio::
+asyncio::
 
-   swriter = uasyncio.StreamWriter(audio_out)
+   swriter = asyncio.StreamWriter(audio_out)
    swriter.write(buf)
    await swriter.drain()
 
-   sreader = uasyncio.StreamReader(audio_in)
+   sreader = asyncio.StreamReader(audio_in)
    num_read = await sreader.readinto(buf)
 
 Some codec devices like the WM8960 or SGTL5000 require separate initialization

docs/reference/isr_rules.rst

@@ -219,20 +219,20 @@ Exceptions
 If an ISR raises an exception it will not propagate to the main loop. The interrupt will be disabled unless the
 exception is handled by the ISR code.
 
-Interfacing to uasyncio
------------------------
+Interfacing to asyncio
+----------------------
 
-When an ISR runs it can preempt the `uasyncio` scheduler. If the ISR performs a `uasyncio`
+When an ISR runs it can preempt the `asyncio` scheduler. If the ISR performs a `asyncio`
 operation the scheduler's operation can be disrupted. This applies whether the interrupt is hard
 or soft and also applies if the ISR has passed execution to another function via
 `micropython.schedule`. In particular creating or cancelling tasks is invalid in an ISR context.
-The safe way to interact with `uasyncio` is to implement a coroutine with synchronisation performed by
-`uasyncio.ThreadSafeFlag`. The following fragment illustrates the creation of a task in response
+The safe way to interact with `asyncio` is to implement a coroutine with synchronisation performed by
+`asyncio.ThreadSafeFlag`. The following fragment illustrates the creation of a task in response
 to an interrupt:
 
 .. code:: python
 
-    tsf = uasyncio.ThreadSafeFlag()
+    tsf = asyncio.ThreadSafeFlag()
 
     def isr(_):  # Interrupt handler
         tsf.set()
@@ -240,7 +240,7 @@ to an interrupt:
     async def foo():
         while True:
             await tsf.wait()
-            uasyncio.create_task(bar())
+            asyncio.create_task(bar())
 
 In this example there will be a variable amount of latency between the execution of the ISR and the execution
 of ``foo()``. This is inherent to cooperative scheduling. The maximum latency is application