From d0b9b737f916a32f0bca6d6819ea7a16c8920b33 Mon Sep 17 00:00:00 2001
From: infinition <37984399+infinition@users.noreply.github.com>
Date: Tue, 19 Nov 2024 23:44:00 +0100
Subject: [PATCH] Update epd2in13_V2.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_V2.py | 11 +++++++----
 1 file changed, 7 insertions(+), 4 deletions(-)

diff --git a/resources/waveshare_epd/epd2in13_V2.py b/resources/waveshare_epd/epd2in13_V2.py
index cbaad67..700b14d 100644
--- a/resources/waveshare_epd/epd2in13_V2.py
+++ b/resources/waveshare_epd/epd2in13_V2.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
@@ -99,10 +100,12 @@ class EPD:
         self.ReadBusy()
         
     def init(self, update):
-        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.is_initialized = True
+        
         if(update == self.FULL_UPDATE):
             self.ReadBusy()
             self.send_command(0x12) # soft reset