new oled driver (experimental)

src/hal/ttgov21old.h

@@ -19,7 +19,7 @@
 #define HAS_LED NOT_A_PIN // no usable LED on board
 #define DISABLE_BROWNOUT 1 // comment out if you want to keep brownout feature
 
-#define HAS_DISPLAY U8X8_SSD1306_128X64_NONAME_HW_I2C
+#define HAS_DISPLAY 1
 //#define DISPLAY_FLIP  1 // rotated display
 //#define BAT_MEASURE_ADC ADC1_GPIO35_CHANNEL // battery probe GPIO pin -> ADC1_CHANNEL_7
 //#define BAT_VOLTAGE_DIVIDER 2 // voltage divider 100k/100k on board
@@ -27,7 +27,7 @@
 // Pins for I2C interface of OLED Display
 #define MY_OLED_SDA (21)
 #define MY_OLED_SCL (22)
-#define MY_OLED_RST U8X8_PIN_NONE
+#define MY_OLED_RST NOT_A_PIN
 
 // Pins for LORA chip SPI interface, reset line and interrupt lines
 #define LORA_SCK  (5)