From 46684adebd70acc7c612078f0030629ec1043bfb Mon Sep 17 00:00:00 2001
From: infinition <37984399+infinition@users.noreply.github.com>
Date: Tue, 19 Nov 2024 23:44:44 +0100
Subject: [PATCH] Update epd2in13.py

New flag & if condition to track if the display has been initialized &
avoid repeated initialization and accumulation of File descriptors  & system crash.
---
 resources/waveshare_epd/epd2in13.py | 9 +++++----
 1 file changed, 5 insertions(+), 4 deletions(-)

diff --git a/resources/waveshare_epd/epd2in13.py b/resources/waveshare_epd/epd2in13.py
index 611e9d7..e8fa364 100644
--- a/resources/waveshare_epd/epd2in13.py
+++ b/resources/waveshare_epd/epd2in13.py
@@ -9,6 +9,7 @@ logger = logging.getLogger(__name__)
 
 class EPD:
     def __init__(self):
+        self.is_initialized = False  # New flag to track if the display has been initialized #INFINITION
         self.reset_pin = epdconfig.RST_PIN
         self.dc_pin = epdconfig.DC_PIN
         self.busy_pin = epdconfig.BUSY_PIN
@@ -66,10 +67,10 @@ class EPD:
         logger.debug("e-Paper busy release")
 
     def init(self, lut):
-        if (epdconfig.module_init() != 0):
-            return -1
-        # EPD hardware init start
-        self.reset()
+        if not self.is_initialized:  # Avoid repeated initialization and accumulation of File descriptors #INFINITION
+            if epdconfig.module_init() != 0:
+                return -1
+            self.reset()
         self.send_command(0x01) # DRIVER_OUTPUT_CONTROL
         self.send_data((EPD_HEIGHT - 1) & 0xFF)
         self.send_data(((EPD_HEIGHT - 1) >> 8) & 0xFF)