hotfix for https://forums.adafruit.com/viewtopic.php?f=47&t=171641 (this library is going to get refactored anyways and all this code will move out)

Author: ladyada

Adafruit_SSD1306.cpp

@@ -57,11 +57,11 @@
 // SOME DEFINES AND STATIC VARIABLES USED INTERNALLY -----------------------
 
 #if defined(I2C_BUFFER_LENGTH)
-#define WIRE_MAX I2C_BUFFER_LENGTH ///< Particle or similar Wire lib
+#define WIRE_MAX min(256, I2C_BUFFER_LENGTH) ///< Particle or similar Wire lib
 #elif defined(BUFFER_LENGTH)
-#define WIRE_MAX BUFFER_LENGTH ///< AVR or similar Wire lib
+#define WIRE_MAX min(256, BUFFER_LENGTH) ///< AVR or similar Wire lib
 #elif defined(SERIAL_BUFFER_SIZE)
-#define WIRE_MAX (SERIAL_BUFFER_SIZE - 1) ///< Newer Wire uses RingBuffer
+#define WIRE_MAX min(255, SERIAL_BUFFER_SIZE - 1) ///< Newer Wire uses RingBuffer
 #else
 #define WIRE_MAX 32 ///< Use common Arduino core default
 #endif
@@ -387,7 +387,7 @@ void Adafruit_SSD1306::ssd1306_commandList(const uint8_t *c, uint8_t n) {
   if (wire) { // I2C
     wire->beginTransmission(i2caddr);
     WIRE_WRITE((uint8_t)0x00); // Co = 0, D/C = 0
-    uint8_t bytesOut = 1;
+    uint16_t bytesOut = 1;
     while (n--) {
       if (bytesOut >= WIRE_MAX) {
         wire->endTransmission();
@@ -946,7 +946,7 @@ void Adafruit_SSD1306::display(void) {
   if (wire) { // I2C
     wire->beginTransmission(i2caddr);
     WIRE_WRITE((uint8_t)0x40);
-    uint8_t bytesOut = 1;
+    uint16_t bytesOut = 1;
     while (count--) {
       if (bytesOut >= WIRE_MAX) {
         wire->endTransmission();