ssd1306.h File Reference

SSD1306 OLED display controller driver.

Copyright (c) 2012-2018 Microchip Technology Inc. and its subsidiaries.

#include <compiler.h>
#include <port.h>
#include <spi.h>
#include <delay.h>
#include "conf_ssd1306.h"

Macros
Fundamental Command defines
#define	SSD1306_CMD_COL_ADD_SET_LSB(column)   (0x00 | (column))
#define	SSD1306_CMD_COL_ADD_SET_MSB(column)   (0x10 | (column))
#define	SSD1306_CMD_SET_MEMORY_ADDRESSING_MODE   0x20
#define	SSD1306_CMD_SET_COLUMN_ADDRESS   0x21
#define	SSD1306_CMD_SET_PAGE_ADDRESS   0x22
#define	SSD1306_CMD_SET_DISPLAY_START_LINE(line)   (0x40 | (line))
#define	SSD1306_CMD_SET_CONTRAST_CONTROL_FOR_BANK0   0x81
#define	SSD1306_CMD_SET_CHARGE_PUMP_SETTING   0x8D
#define	SSD1306_CMD_SET_SEGMENT_RE_MAP_COL0_SEG0   0xA0
#define	SSD1306_CMD_SET_SEGMENT_RE_MAP_COL127_SEG0   0xA1
#define	SSD1306_CMD_ENTIRE_DISPLAY_AND_GDDRAM_ON   0xA4
#define	SSD1306_CMD_ENTIRE_DISPLAY_ON   0xA5
#define	SSD1306_CMD_SET_NORMAL_DISPLAY   0xA6
#define	SSD1306_CMD_SET_INVERSE_DISPLAY   0xA7
#define	SSD1306_CMD_SET_MULTIPLEX_RATIO   0xA8
#define	SSD1306_CMD_SET_DISPLAY_ON   0xAF
#define	SSD1306_CMD_SET_DISPLAY_OFF   0xAE
#define	SSD1306_CMD_SET_PAGE_START_ADDRESS(page)   (0xB0 | (page))
#define	SSD1306_CMD_SET_COM_OUTPUT_SCAN_UP   0xC0
#define	SSD1306_CMD_SET_COM_OUTPUT_SCAN_DOWN   0xC8
#define	SSD1306_CMD_SET_DISPLAY_OFFSET   0xD3
#define	SSD1306_CMD_SET_DISPLAY_CLOCK_DIVIDE_RATIO   0xD5
#define	SSD1306_CMD_SET_PRE_CHARGE_PERIOD   0xD9
#define	SSD1306_CMD_SET_COM_PINS   0xDA
#define	SSD1306_CMD_SET_VCOMH_DESELECT_LEVEL   0xDB
#define	SSD1306_CMD_NOP   0xE3
Graphic Acceleration Command defines
#define	SSD1306_CMD_SCROLL_H_RIGHT   0x26
#define	SSD1306_CMD_SCROLL_H_LEFT   0x27
#define	SSD1306_CMD_CONTINUOUS_SCROLL_V_AND_H_RIGHT   0x29
#define	SSD1306_CMD_CONTINUOUS_SCROLL_V_AND_H_LEFT   0x2A
#define	SSD1306_CMD_DEACTIVATE_SCROLL   0x2E
#define	SSD1306_CMD_ACTIVATE_SCROLL   0x2F
#define	SSD1306_CMD_SET_VERTICAL_SCROLL_AREA   0xA3

Functions
OLED controller write and read functions
void	ssd1306_write_command (uint8_t command)
	Writes a command to the display controller. More...
void	ssd1306_write_data (uint8_t data)
	Write data to the display controller. More...
static uint8_t	ssd1306_read_data (void)
	Read data from the controller. More...
static uint8_t	ssd1306_get_status (void)
	Read status from the controller. More...
OLED Controller reset
static void	ssd1306_hard_reset (void)
	Perform a hard reset of the OLED controller. More...
Sleep control
static void	ssd1306_sleep_enable (void)
	Enable the OLED sleep mode. More...
static void	ssd1306_sleep_disable (void)
	Disable the OLED sleep mode. More...
Address setup for the OLED
static void	ssd1306_set_page_address (uint8_t address)
	Set current page in display RAM. More...
static void	ssd1306_set_column_address (uint8_t address)
	Set current column in display RAM. More...
static void	ssd1306_set_display_start_line_address (uint8_t address)
	Set the display start draw line address. More...
Display hardware control
static void	ssd1306_display_on (void)
	Turn the OLED display on. More...
static void	ssd1306_display_off (void)
	Turn the OLED display off. More...
static uint8_t	ssd1306_set_contrast (uint8_t contrast)
	Set the OLED contrast level. More...
static void	ssd1306_display_invert_enable (void)
	Invert all pixels on the device. More...
static void	ssd1306_display_invert_disable (void)
	Disable invert of all pixels on the device. More...
Initialization
void	ssd1306_init (void)
	Initialize the OLED controller. More...

Variables
struct spi_module	ssd1306_master
struct spi_slave_inst	ssd1306_slave