From 5aadcc7b36b6798cc9099ed825394e4cbaf256f9 Mon Sep 17 00:00:00 2001
From: CCTweaker <19865794+cctweaker@users.noreply.github.com>
Date: Fri, 8 Jul 2022 11:42:55 +0300
Subject: [PATCH] Update LedMatrix.cpp

I have a few MAX7219 modules that use a different column assignment and the 2 already implemented orientations did not work for me.

After these changes DisplayRotate 1 and DisplayRotate 3 commands do what they are supposed to do.
---
 lib/lib_display/LedControl/src/LedMatrix.cpp | 17 ++++++++++++++++-
 1 file changed, 16 insertions(+), 1 deletion(-)

diff --git a/lib/lib_display/LedControl/src/LedMatrix.cpp b/lib/lib_display/LedControl/src/LedMatrix.cpp
index fb23fbc26..12ce04e1d 100644
--- a/lib/lib_display/LedControl/src/LedMatrix.cpp
+++ b/lib/lib_display/LedControl/src/LedMatrix.cpp
@@ -330,7 +330,22 @@ void LedMatrix::refresh()
             }
             else // ORIENTATION_TURN_RIGHT || ORIENTATION_TURN_LEFT
             {
-                // not implemented yet
+                col = addr % modulesPerRow;
+                pixelRow = (addr / modulesPerRow) * 8 + ledRow;
+                bufPos = pixelRow * modulesPerRow + col;
+
+                if (moduleOrientation == ORIENTATION_TURN_RIGHT)
+                {
+                    // ORIENTATION_TURN_RIGHT
+                    deviceDataBuff[addr] = buffer[bufPos];
+                    deviceRow = ledRow;
+                }
+                else
+                {
+                    // ORIENTATION_TURN_LEFT
+                    deviceDataBuff[maxDevices - 1 - addr] = revereBitorder(buffer[bufPos]);
+                    deviceRow = 7 - ledRow; // upside down
+                }
             }
         }
         setRow_allDevices(deviceRow, deviceDataBuff);