From 3d489a93834b5c9354f7172a62305cdd810cdd76 Mon Sep 17 00:00:00 2001
From: Phil Howard <phil@gadgetoid.com>
Date: Wed, 8 Jun 2022 13:11:37 +0100
Subject: [PATCH] ST7789: 240x240 Handle unsupported rotations gracefully.

---
 drivers/st7789/st7789.cpp | 18 +++++++++---------
 1 file changed, 9 insertions(+), 9 deletions(-)

diff --git a/drivers/st7789/st7789.cpp b/drivers/st7789/st7789.cpp
index 99361f1f..4a9d2430 100644
--- a/drivers/st7789/st7789.cpp
+++ b/drivers/st7789/st7789.cpp
@@ -123,15 +123,6 @@ namespace pimoroni {
       int col_offset = 0;
     
       switch(rotate) {
-        case ROTATE_0:
-          if (!round) row_offset = 0;
-          caset[0] = col_offset;
-          caset[1] = width + col_offset - 1;
-          raset[0] = row_offset;
-          raset[1] = width + row_offset - 1;
-
-          madctl = MADCTL::HORIZ_ORDER;
-          break;
         case ROTATE_90:
           if (!round) row_offset = 0;
           caset[0] = row_offset;
@@ -157,6 +148,15 @@ namespace pimoroni {
 
           madctl = MADCTL::ROW_ORDER | MADCTL::SWAP_XY;
           break;
+        default: // ROTATE_0 (and for any smart-alec who tries to rotate 45 degrees or something...)
+          if (!round) row_offset = 0;
+          caset[0] = col_offset;
+          caset[1] = width + col_offset - 1;
+          raset[0] = row_offset;
+          raset[1] = width + row_offset - 1;
+
+          madctl = MADCTL::HORIZ_ORDER;
+          break;
       }
     }