mirror of
https://github.com/Matiasus/SSD1306.git
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142 lines
3.4 KiB
C
142 lines
3.4 KiB
C
/**
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* ---------------------------------------------------------------+
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* @desc SSD1306 OLED Driver
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* ---------------------------------------------------------------+
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* Copyright (C) 2020 Marian Hrinko.
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* Written by Marian Hrinko (mato.hrinko@gmail.com)
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*
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* @author Marian Hrinko
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* @datum 06.10.2020
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* @file ssd1306.h
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* @tested AVR Atmega16
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*
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* @depend twi library
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* ---------------------------------------------------------------+
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*/
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#ifndef __SSD1306_H__
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#define __SSD1306_H__
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#define SSD1306_SUCCESS 0
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// Address definition
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// -----------------------------------
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#define SSD1306_ADDRESS 0x3C
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// Command definition
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// -----------------------------------
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#define SSD1306_COMMAND 0x80 // Continuation bit=1, D/C=0; 1000 0000
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#define SSD1306_COMMAND_STREAM 0x00 // Continuation bit=0, D/C=0; 0000 0000
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#define SSD1306_DATA 0xC0 // Continuation bit=1, D/C=1; 1100 0000
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#define SSD1306_DATA_STREAM 0x40 // Continuation bit=0, D/C=1; 0100 0000
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#define SSD1306_SET_MUX_RATIO 0xA8
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#define SSD1306_DISPLAY_OFFSET 0xD3
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#define SSD1306_DISPLAY_ON 0xAF
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#define SSD1306_DISPLAY_OFF 0xAE
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#define SSD1306_DIS_ENT_DISP_ON 0xA4
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#define SSD1306_DIS_NORMAL 0xA6
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#define SSD1306_DIS_INVERSE 0xA7
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#define SSD1306_DEACT_SCROLL 0x2E
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#define SSD1306_ACTIVE_SCROLL 0x2F
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#define SSD1306_SET_START_LINE 0x40
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#define SSD1306_MEMORY_ADDR_MODE 0x20
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#define SSD1306_SET_COLUMN_ADDR 0x21
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#define SSD1306_SET_PAGE_ADDR 0x22
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#define SSD1306_SEG_REMAP 0xA0
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#define SSD1306_SEG_REMAP_OP 0xA1
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#define SSD1306_COM_SCAN_DIR 0xC0
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#define SSD1306_COM_SCAN_DIR_OP 0xC0
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#define SSD1306_COM_PIN_CONF 0xDA
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#define SSD1306_SET_CONTRAST 0x81
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#define SSD1306_SET_OSC_FREQ 0xD5
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#define SSD1306_SET_CHAR_REG 0x8D
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// Characters definition
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// -----------------------------------
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// number of columns for chars
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#define CHARS_COLS_LENGTH 5
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// Clear Color
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// -----------------------------------
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#define CLEAR_COLOR 0x00
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// Init Status
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// -----------------------------------
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#define INIT_STATUS 0xFF
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// AREA definition
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// -----------------------------------
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#define START_PAGE_ADDR 0
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#define END_PAGE_ADDR 7
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#define START_COLUMN_ADDR 0
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#define END_COLUMN_ADDR 127
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// @var set area
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volatile unsigned int set_area;
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/**
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* @desc SSD1306 Init
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*
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* @param void
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*
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* @return char
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*/
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char SSD1306_Init(void);
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/**
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* @desc SSD1306 Send Start and SLAW request
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*
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* @param void
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*
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* @return char
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*/
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char SSD1306_Send_StartAndSLAW(void);
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/**
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* @desc SSD1306 Send Command
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*
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* @param char
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*
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* @return char
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*/
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char SSD1306_Send_Command(char);
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/**
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* @desc SSD1306 Clear Screen
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*
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* @param void
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*
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* @return char
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*/
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char SSD1306_ClearScreen(void);
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/**
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* @desc SSD1306 Set Position
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*
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* @param char
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* @param char
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*
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* @return char
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*/
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char SSD1306_SetPosition(char, char);
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/**
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* @desc SSD1306 Draw Character
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*
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* @param char
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*
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* @return char
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*/
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char SSD1306_DrawChar(char);
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/**
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* @desc SSD1306 Draw String
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*
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* @param char *
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*
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* @return char
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*/
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char SSD1306_DrawString(char *);
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#endif
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