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# SSD1306 0.96" OLED display
## SSD1306 Description
Detailed information are described in [Datasheet SSD1306 ](https://cdn-shop.adafruit.com/datasheets/SSD1306.pdf ).
## Library
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C library is aimed for driving [SSD1306 0.96" OLED display ](#demonstration ) 128x64 through TWI's Atmega16.
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### Usage
Prior defined for MCU Atmega16. Need to be carefull with TWI ports definition.
| PORT | [Atmega16 ](http://ww1.microchip.com/downloads/en/devicedoc/doc2466.pdf ) | [Atmega8 ](https://ww1.microchip.com/downloads/en/DeviceDoc/Atmel-2486-8-bit-AVR-microcontroller-ATmega8_L_datasheet.pdf ) |
| :---: | :---: | :---: |
| SCL | PC0 | PC5 |
| SDA | PC1 | PC4 |
### Tested
Library was tested and proved on a **_SSD1306 0.96″ OLED Dispay_** with **_Atmega16_** .
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## Init OLED Sequence
Init sequence OLED display was defined according to page 64 (next to last page) of [Datasheet SSD1306 ](https://cdn-shop.adafruit.com/datasheets/SSD1306.pdf ).
```
// +---------------------------+
// | Set MUX Ratio |
// +---------------------------+
// | 0xA8, 0x3F |
// +---------------------------+
// |
// +---------------------------+
// | Set Display Offset |
// +---------------------------+
// | 0xD3, 0x00 |
// +---------------------------+
// |
// +---------------------------+
// | Set Display Start Line |
// +---------------------------+
// | 0x40 |
// +---------------------------+
// |
// +---------------------------+
// | Set Segment Remap |
// +---------------------------+
// | 0xA0 / 0xA1 |
// +---------------------------+
// |
// +---------------------------+
// | Set COM Output Scan |
// | Direction |
// +---------------------------+
// | 0xC0 / 0xC8 |
// +---------------------------+
// |
// +---------------------------+
// | Set COM Pins hardware |
// | configuration |
// +---------------------------+
// | 0xDA, 0x02 |
// +---------------------------+
// |
// +---------------------------+
// | Set Contrast Control |
// +---------------------------+
// | 0x81, 0x7F |
// +---------------------------+
// |
// +---------------------------+
// | Disable Entire Display On |
// +---------------------------+
// | 0xA4 |
// +---------------------------+
// |
// +---------------------------+
// | Set Normal Display |
// +---------------------------+
// | 0xA6 |
// +---------------------------+
// |
// +---------------------------+
// | Set Osc Frequency |
// +---------------------------+
// | 0xD5, 0x80 |
// +---------------------------+
// |
// +---------------------------+
// | Enable charge pump |
// | regulator |
// +---------------------------+
// | 0x8D, 0x14 |
// +---------------------------+
// |
// +---------------------------+
// | Display On |
// +---------------------------+
// | 0xAF |
// +---------------------------+
```
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## Demonstration
## Links
- [Datasheet SSD1306 ](https://cdn-shop.adafruit.com/datasheets/SSD1306.pdf )
