From 9ca2424df1f7dae54d5605d10fccbc7620203b04 Mon Sep 17 00:00:00 2001
From: python273 <iam@python273.pw>
Date: Tue, 22 Oct 2019 20:53:15 +0300
Subject: [PATCH] Add non-blocking screen updating
Signed-off-by: python273 <iam@python273.pw>
---
pwnagotchi/ui/display.py | 22 ++++++++++++++++++++--
1 file changed, 20 insertions(+), 2 deletions(-)
diff --git a/pwnagotchi/ui/display.py b/pwnagotchi/ui/display.py
index c057922..c28b4d7 100644
--- a/pwnagotchi/ui/display.py
+++ b/pwnagotchi/ui/display.py
@@ -1,7 +1,8 @@
import os
import logging
-import pwnagotchi.plugins as plugins
+import threading
+import pwnagotchi.plugins as plugins
import pwnagotchi.ui.hw as hw
import pwnagotchi.ui.web as web
from pwnagotchi.ui.view import View
@@ -18,6 +19,14 @@ class Display(View):
self.init_display()
+ self._canvas_next_event = threading.Event()
+ self._canvas_next = None
+ self._render_thread_instance = threading.Thread(
+ target=self._render_thread,
+ daemon=True
+ )
+ self._render_thread_instance.start()
+
def is_inky(self):
return self._implementation.name == 'inky'
@@ -59,6 +68,14 @@ class Display(View):
img = self._canvas if self._rotation == 0 else self._canvas.rotate(-self._rotation)
return img
+ def _render_thread(self):
+ """Used for non-blocking screen updating."""
+
+ while True:
+ self._canvas_next_event.wait()
+ self._canvas_next_event.clear()
+ self._implementation.render(self._canvas_next)
+
def _on_view_rendered(self, img):
web.update_frame(img)
try:
@@ -70,4 +87,5 @@ class Display(View):
if self._enabled:
self._canvas = (img if self._rotation == 0 else img.rotate(self._rotation))
if self._implementation is not None:
- self._implementation.render(self._canvas)
+ self._canvas_next = self._canvas
+ self._canvas_next_event.set()