From 83ca2a006bd4ff7942dd076ac00f1f706bc6b859 Mon Sep 17 00:00:00 2001
From: mstrVLT <mstrvlt@gmail.com>
Date: Tue, 5 Feb 2019 02:38:30 +0300
Subject: [PATCH] =?UTF-8?q?Wemos=20OLED=20Shield=20(64=C3=9748)=20support?=
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---
 Adafruit_SSD1306.cpp | 27 +++++++++++++++++++--------
 1 file changed, 19 insertions(+), 8 deletions(-)

diff --git a/Adafruit_SSD1306.cpp b/Adafruit_SSD1306.cpp
index 46218d7d..f5c27a8b 100644
--- a/Adafruit_SSD1306.cpp
+++ b/Adafruit_SSD1306.cpp
@@ -885,14 +885,25 @@ uint8_t *Adafruit_SSD1306::getBuffer(void) {
 */
 void Adafruit_SSD1306::display(void) {
   TRANSACTION_START
-  static const uint8_t PROGMEM dlist1[] = {
-    SSD1306_PAGEADDR,
-    0,                         // Page start address
-    0xFF,                      // Page end (not really, but works here)
-    SSD1306_COLUMNADDR,
-    0 };                       // Column start address
-  ssd1306_commandList(dlist1, sizeof(dlist1));
-  ssd1306_command1(WIDTH - 1); // Column end address
+  if((WIDTH == 64) && (HEIGHT == 48)) {
+    static const uint8_t PROGMEM dlist1[] = {
+      SSD1306_PAGEADDR,
+      0,                         // Page start address
+      0xFF,                      // Page end (not really, but works here)
+      SSD1306_COLUMNADDR,
+      32 };                       // Column start address
+    ssd1306_commandList(dlist1, sizeof(dlist1));
+    ssd1306_command1(32 + WIDTH - 1); // Column end address
+  } else {
+    static const uint8_t PROGMEM dlist1[] = {
+      SSD1306_PAGEADDR,
+      0,                         // Page start address
+      0xFF,                      // Page end (not really, but works here)
+      SSD1306_COLUMNADDR,
+      0 };                       // Column start address
+    ssd1306_commandList(dlist1, sizeof(dlist1));
+    ssd1306_command1(WIDTH - 1); // Column end address
+  }
 
 #if defined(ESP8266)
   // ESP8266 needs a periodic yield() call to avoid watchdog reset.