tests: Rename uasyncio to asyncio.

This work was funded through GitHub Sponsors.

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

tests/multi_espnow/81_asyncio_server.py

@@ -0,0 +1,96 @@
+# Test of a ESPnow asyncio echo server and client transferring data.
+# Test will SKIP if instance0 (asyncio echo server) does not support asyncio.
+# - eg. ESP8266 with 1MB flash.
+# Instance1 is not required to support asyncio.
+
+try:
+    import network
+    import random
+    import espnow
+except ImportError:
+    print("SKIP")
+    raise SystemExit
+
+# Set read timeout to 5 seconds
+timeout_ms = 5000
+default_pmk = b"MicroPyth0nRules"
+sync = True
+
+
+def client_send(e, peer, msg, sync):
+    print("TEST: send/recv(msglen=", len(msg), ",sync=", sync, "): ", end="", sep="")
+    try:
+        if not e.send(peer, msg, sync):
+            print("ERROR: Send failed.")
+            return
+    except OSError as exc:
+        # Don't print exc as it is differs for esp32 and esp8266
+        print("ERROR: OSError:")
+        return
+
+
+def init(e, sta_active=True, ap_active=False):
+    wlans = [network.WLAN(i) for i in [network.STA_IF, network.AP_IF]]
+    e.active(True)
+    e.set_pmk(default_pmk)
+    wlans[0].active(sta_active)
+    wlans[1].active(ap_active)
+    wlans[0].disconnect()  # Force esp8266 STA interface to disconnect from AP
+    return e
+
+
+async def echo_server(e):
+    peers = []
+    async for peer, msg in e:
+        if peer not in peers:
+            peers.append(peer)
+            e.add_peer(peer)
+
+        #  Echo the message back to the sender
+        if not await e.asend(peer, msg, sync):
+            print("ERROR: asend() failed to", peer)
+            return
+
+        if msg == b"!done":
+            return
+
+
+# Server
+def instance0():
+    try:
+        import asyncio
+        from aioespnow import AIOESPNow
+    except ImportError:
+        print("SKIP")
+        raise SystemExit
+    e = AIOESPNow()
+    init(e, True, False)
+    multitest.globals(PEERS=[network.WLAN(i).config("mac") for i in (0, 1)])
+    multitest.next()
+    print("Server Start")
+    asyncio.run(echo_server(e))
+    print("Server Done")
+    e.active(False)
+
+
+def instance1():
+    e = espnow.ESPNow()
+    init(e, True, False)
+    peer = PEERS[0]
+    e.add_peer(peer)
+    multitest.next()
+
+    for i in range(5):
+        msg = bytes([random.getrandbits(8) for _ in range(12)])
+        client_send(e, peer, msg, True)
+        p2, msg2 = e.irecv(timeout_ms)
+        print("OK" if msg2 == msg else "ERROR: Received != Sent")
+
+    # Tell the server to stop
+    print("DONE")
+    msg = b"!done"
+    client_send(e, peer, msg, True)
+    p2, msg2 = e.irecv(timeout_ms)
+    print("OK" if msg2 == msg else "ERROR: Received != Sent")
+
+    e.active(False)