From 2d50715e31ac194257be6439a39cdfb756a5fcc5 Mon Sep 17 00:00:00 2001
From: Peter Hinch <peter@hinch.me.uk>
Date: Fri, 7 Jun 2024 14:55:19 +0100
Subject: [PATCH] Async EPD demos: fix iss #66.

---
 DRIVERS.md               | 1 -
 gui/demos/epd29_async.py | 8 ++++----
 gui/demos/epd_async.py   | 6 +++---
 3 files changed, 7 insertions(+), 8 deletions(-)

diff --git a/DRIVERS.md b/DRIVERS.md
index 9909c65..4a36690 100644
--- a/DRIVERS.md
+++ b/DRIVERS.md
@@ -1172,7 +1172,6 @@ needed in more advanced asynchronous applications and their use is discussed in
  modify widgets without risk of display corruption.
  * `complete` Set when display update is complete. It is now safe to call
  `ssd.refresh()`.
- EPD.
 
 ### 5.1.4 Public bound variables
 
diff --git a/gui/demos/epd29_async.py b/gui/demos/epd29_async.py
index 124624d..427c897 100644
--- a/gui/demos/epd29_async.py
+++ b/gui/demos/epd29_async.py
@@ -19,7 +19,7 @@ from gui.widgets.dial import Dial, Pointer
 import gui.fonts.arial10 as arial10
 import gui.fonts.font6 as small
 
-ssd._asyn = True  # HACK to make it config agnostic
+# ssd._asyn = True  # HACK to make it config agnostic
 # Some ports don't support uos.urandom.
 # See https://github.com/peterhinch/micropython-samples/tree/master/random
 def xorshift64star(modulo, seed=0xF9AC6BA4):
@@ -94,7 +94,7 @@ async def meter(evt):
 
 async def main():
     refresh(ssd, True)  # Clear display
-    await ssd.wait()
+    await ssd.complete.wait()
     print("Ready")
     evt = asyncio.Event()
     asyncio.create_task(meter(evt))
@@ -102,9 +102,9 @@ async def main():
     asyncio.create_task(compass(evt))
     while True:
         # Normal procedure before refresh, but 10s sleep should mean it always returns immediately
-        await ssd.wait()
+        await ssd.complete.wait()
         refresh(ssd)  # Launches ._as_show()
-        await ssd.updated()
+        await ssd.updated.wait()
         # Content has now been shifted out so coros can update
         # framebuffer in background
         evt.set()
diff --git a/gui/demos/epd_async.py b/gui/demos/epd_async.py
index 8e92c3c..b86a30b 100644
--- a/gui/demos/epd_async.py
+++ b/gui/demos/epd_async.py
@@ -95,7 +95,7 @@ async def main():
     #    ssd.show()
     #    await ssd.wait()
     refresh(ssd, True)  # Clear display
-    await ssd.wait()
+    await ssd.complete.wait()
     print("Ready")
     evt = asyncio.Event()
     asyncio.create_task(meter(evt))
@@ -103,9 +103,9 @@ async def main():
     asyncio.create_task(fields(evt))
     while True:
         # Normal procedure before refresh, but 10s sleep should mean it always returns immediately
-        await ssd.wait()
+        await ssd.complete.wait()
         refresh(ssd)  # Launches ._as_show()
-        await ssd.updated()
+        await ssd.updated.wait()
         # Content has now been shifted out so coros can update
         # framebuffer in background
         evt.set()