From 2098cb87ae7b2d91f87a5a6b2cfa9d3c12b886ef Mon Sep 17 00:00:00 2001
From: Aleksei <alexey.dynda@gmail.com>
Date: Mon, 4 Dec 2017 22:51:18 +1000
Subject: [PATCH] Workaround fix for ESP32 #10 i2c known issue:
 https://github.com/espressif/arduino-esp32/issues/839

---
 src/i2c/ssd1306_i2c_wire.cpp | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/i2c/ssd1306_i2c_wire.cpp b/src/i2c/ssd1306_i2c_wire.cpp
index 60e6e859..354228a6 100644
--- a/src/i2c/ssd1306_i2c_wire.cpp
+++ b/src/i2c/ssd1306_i2c_wire.cpp
@@ -64,8 +64,8 @@ void ssd1306_i2cConfigure_Wire(int8_t scl, int8_t sda)
 void ssd1306_i2cSendByte_Wire(uint8_t data)
 {
     // Do not write too many bytes for standard Wire.h. It may become broken
-#if defined(I2C_BUFFER_LENGTH)
-    if (s_bytesWritten >= (I2C_BUFFER_LENGTH >> 1))
+#if defined(ESP32) || defined(ESP31B)
+    if (s_bytesWritten >= (I2C_BUFFER_LENGTH >> 4))
 #elif defined(BUFFER_LENGTH)
     if (s_bytesWritten >= (BUFFER_LENGTH >> 1))
 #else