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Async EPD demos: fix iss #66.

pull/70/head
Peter Hinch 2024-06-07 14:55:19 +01:00
rodzic 77f5b211e5
commit 2d50715e31
3 zmienionych plików z 7 dodań i 8 usunięć
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1
DRIVERS.md
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@ -1172,7 +1172,6 @@ needed in more advanced asynchronous applications and their use is discussed in
modify widgets without risk of display corruption. modify widgets without risk of display corruption.
* `complete` Set when display update is complete. It is now safe to call * `complete` Set when display update is complete. It is now safe to call
`ssd.refresh()`. `ssd.refresh()`.
EPD.
### 5.1.4 Public bound variables ### 5.1.4 Public bound variables

8
gui/demos/epd29_async.py
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@ -19,7 +19,7 @@ from gui.widgets.dial import Dial, Pointer
import gui.fonts.arial10 as arial10 import gui.fonts.arial10 as arial10
import gui.fonts.font6 as small 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. # Some ports don't support uos.urandom.
# See https://github.com/peterhinch/micropython-samples/tree/master/random # See https://github.com/peterhinch/micropython-samples/tree/master/random
def xorshift64star(modulo, seed=0xF9AC6BA4): def xorshift64star(modulo, seed=0xF9AC6BA4):
@ -94,7 +94,7 @@ async def meter(evt):
async def main(): async def main():
refresh(ssd, True) # Clear display refresh(ssd, True) # Clear display
await ssd.wait() await ssd.complete.wait()
print("Ready") print("Ready")
evt = asyncio.Event() evt = asyncio.Event()
asyncio.create_task(meter(evt)) asyncio.create_task(meter(evt))
@ -102,9 +102,9 @@ async def main():
asyncio.create_task(compass(evt)) asyncio.create_task(compass(evt))
while True: while True:
# Normal procedure before refresh, but 10s sleep should mean it always returns immediately # 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() refresh(ssd) # Launches ._as_show()
await ssd.updated() await ssd.updated.wait()
# Content has now been shifted out so coros can update # Content has now been shifted out so coros can update
# framebuffer in background # framebuffer in background
evt.set() evt.set()

6
gui/demos/epd_async.py
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@ -95,7 +95,7 @@ async def main():
# ssd.show() # ssd.show()
# await ssd.wait() # await ssd.wait()
refresh(ssd, True) # Clear display refresh(ssd, True) # Clear display
await ssd.wait() await ssd.complete.wait()
print("Ready") print("Ready")
evt = asyncio.Event() evt = asyncio.Event()
asyncio.create_task(meter(evt)) asyncio.create_task(meter(evt))
@ -103,9 +103,9 @@ async def main():
asyncio.create_task(fields(evt)) asyncio.create_task(fields(evt))
while True: while True:
# Normal procedure before refresh, but 10s sleep should mean it always returns immediately # 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() refresh(ssd) # Launches ._as_show()
await ssd.updated() await ssd.updated.wait()
# Content has now been shifted out so coros can update # Content has now been shifted out so coros can update
# framebuffer in background # framebuffer in background
evt.set() evt.set()