fix 8-bit address for ESP32

Author: osmanovv

src/SSD1306I2C.h

@@ -55,12 +55,13 @@ class SSD1306I2C : public OLEDDisplay {
 public:
 #ifdef __MBED__
     SSD1306I2C(uint8_t address, PinName sda, PinName scl, OLEDDISPLAY_GEOMETRY g = GEOMETRY_128_64) {
+      this->_address = address << 1;  // convert from 7 to 8 bit for mbed.
 #elif ESP_PLATFORM
     SSD1306I2C(uint8_t address, gpio_num_t sda, gpio_num_t scl, OLEDDISPLAY_GEOMETRY g = GEOMETRY_128_64) {
+      this->_address = address;
 #endif
       setGeometry(g);
 
-      this->_address = address << 1;  // convert from 7 to 8 bit for mbed.
       this->_sda = sda;
       this->_scl = scl;
 

src/main.cpp

@@ -18,8 +18,8 @@ void app_main()
   display.flipScreenVertically();
   display.setFont(ArialMT_Plain_10);
   display.setTextAlignment(TEXT_ALIGN_LEFT);
-  char buffer[12];
-  display.drawStringf(0, 24, buffer, "ESP-IDF %s", IDF_VER);
+  char buffer[16];
+  display.drawStringf(28, 24, buffer, "ESP-IDF %s", IDF_VER);
   display.display();
 }