From 1993d403e5e18b94384ecf5ee9428ec2da135223 Mon Sep 17 00:00:00 2001
From: David Tillotson <david@acmelabs.co.uk>
Date: Sat, 6 Mar 2021 21:27:40 +0000
Subject: [PATCH] Added portrait mode (building with the work from
 hamid-elaosta:portrait)

---
 drivers/st7789/st7789.cpp               | 9 +++++++++
 libraries/pico_display/pico_display.cpp | 5 +++++
 libraries/pico_display/pico_display.hpp | 5 ++++-
 3 files changed, 18 insertions(+), 1 deletion(-)

diff --git a/drivers/st7789/st7789.cpp b/drivers/st7789/st7789.cpp
index 77528dec..0c1c567a 100644
--- a/drivers/st7789/st7789.cpp
+++ b/drivers/st7789/st7789.cpp
@@ -58,6 +58,10 @@ namespace pimoroni {
         madctl[0] = 0x70;
       }
       
+      if(width == 135 && height == 240) {
+		madctl[0] = 0x00;
+      }
+
       command(reg::MADCTL,    1, madctl);  // row/column addressing order - rgb pixel order
       command(reg::TEON,      1, "\x00");  // enable frame sync signal if used
       command(reg::COLMOD,    1, "\x05");  // 16 bits per pixel
@@ -78,6 +82,11 @@ namespace pimoroni {
         command(reg::RASET,     4, "\x00\x35\x00\xbb"); // 53 .. 187 (135 rows)
         command(reg::CASET,     4, "\x00\x28\x01\x17"); // 40 .. 279 (240 columns)
       }
+
+      if(width == 135 && height == 240) {
+        command(reg::CASET,     4, "\x00\x34\x00\xba"); // 52 .. 186 (135 rows)
+        command(reg::RASET,     4, "\x00\x28\x01\x17"); // 40 .. 279 (240 columns)
+      }
     }
 
     // the dma transfer works but without vsync it's not that useful as you could
diff --git a/libraries/pico_display/pico_display.cpp b/libraries/pico_display/pico_display.cpp
index f4b38031..0e2606e5 100644
--- a/libraries/pico_display/pico_display.cpp
+++ b/libraries/pico_display/pico_display.cpp
@@ -17,6 +17,11 @@ namespace pimoroni {
       __fb = buf;
   }
 
+  PicoDisplay::PicoDisplay(uint16_t *buf, int width, int height)
+    : PicoGraphics(width, height, buf), screen(width, height, buf)  {
+      __fb = buf;
+  }
+
   void PicoDisplay::init() {
     // setup the rgb led for pwm control
     pwm_config cfg = pwm_get_default_config();
diff --git a/libraries/pico_display/pico_display.hpp b/libraries/pico_display/pico_display.hpp
index abc4e41c..a0553abf 100644
--- a/libraries/pico_display/pico_display.hpp
+++ b/libraries/pico_display/pico_display.hpp
@@ -9,7 +9,9 @@ namespace pimoroni {
   public:
     static const int WIDTH = 240;
     static const int HEIGHT = 135;
-    static const uint8_t A = 12;
+    static const int PORTRAIT_WIDTH  = 135;
+    static const int PORTRAIT_HEIGHT = 240;
+     static const uint8_t A = 12;
     static const uint8_t B = 13;
     static const uint8_t X = 14;
     static const uint8_t Y = 15;
@@ -20,6 +22,7 @@ namespace pimoroni {
 
   public:
     PicoDisplay(uint16_t *buf);
+    PicoDisplay(uint16_t *buf, int width, int height);
 
     void init();
     void update();