SSD1327 Class Reference

API for SSD1327 i2c controlled OLED displays. More...

Detailed Description

• ID: ssd1327
• Name: SSD1327 OLED Display
• Other Names: Grove OLED Display 1.12"
• Category: display
• Manufacturer: seeed adafruit
• Link: http://garden.seeedstudio.com/images/8/82/SSD1327_datasheet.pdf
• Link: http://www.seeedstudio.com/wiki/Grove_-_OLED_Display_1.12%22
• Connection: i2c

The SSD1327 is a 96x96 Dot matrix OLED/PLED segment driver with controller. This implementation was tested using the Grove LED 96×96 Display module which is an OLED monochrome display.

    upm::SSD1327 *lcd = new upm::SSD1327(BUS_NUMBER, 0x3C);

    // If you don't set the display to be white, the seeed logo will appear jagged
    lcd->setGrayLevel(12);
    lcd->draw(SeeedLogo, 96 * 96 / 8);

    // Simple print hello world
    for (uint8_t i = 0; i < 12; i++)
    {
        lcd->setCursor(i, 0);
        lcd->setGrayLevel(i);
        lcd->write("Hello World");
    }

    delete lcd;

Public Member Functions
	SSD1327 (int bus, int address=0x3C)
	~SSD1327 ()
mraa_result_t	draw (uint8_t *data, int bytes)
void	setGrayLevel (uint8_t level)
mraa_result_t	write (std::string msg)
mraa_result_t	setCursor (int row, int column)
mraa_result_t	clear ()
mraa_result_t	home ()
Public Member Functions inherited from I2CLcd
	I2CLcd (int bus, int lcdAddress)
mraa_result_t	write (int x, int y, std::string msg)
virtual mraa_result_t	createChar (uint8_t charSlot, uint8_t charData[])
std::string	name ()

Additional Inherited Members
Protected Attributes inherited from I2CLcd
std::string	m_name
int	m_lcd_control_address
int	m_bus
mraa::I2c	m_i2c_lcd_control

Constructor & Destructor Documentation

SSD1327	(	int	bus,
		int	address = 0x3C
	)

SSD1327 Constructor, calls libmraa initialisation functions

Parameters

bus	i2c bus to use
address	the slave address the lcd is registered on

Here is the call graph for this function:

~SSD1327

(

)

SSD1327 destructor

Member Function Documentation

mraa_result_t draw	(	uint8_t *	data,
		int	bytes
	)

Draw an image, see examples/python/make_oled_pic.py for an explanation on how the pixels are mapped to bytes

Parameters

data	the buffer to read
bytes	the amount of bytes to read from the pointer

Returns

Result of operation

void setGrayLevel

(

uint8_t

level

)

Set gray level for LCD panel

Parameters

gray	level from 0-255

Returns

Result of operation

mraa_result_t write ( std::string  msg )

virtual

Write a string to LCD

Parameters

msg	The std::string to write to display, note only ascii chars are supported

Returns

Result of operation

Implements I2CLcd.

mraa_result_t setCursor ( int  row, int  column  )

virtual

Set cursor to a coordinate

Parameters

row	The row to set cursor to
column	The column to set cursor to

Returns

Result of operation

Implements I2CLcd.

Here is the caller graph for this function:

mraa_result_t clear ( )

virtual

Clear display from characters

Returns

Result of operatio

Implements I2CLcd.

Here is the caller graph for this function:

mraa_result_t home ( )

virtual

Return to coordinate 0,0

Returns

Result of operation

Implements I2CLcd.

Here is the call graph for this function:

Inheritance diagram for SSD1327:

Collaboration diagram for SSD1327:

---

The documentation for this class was generated from the following files:

• /var/lib/jenkins/workspace/upm-doc-stable/src/lcd/ssd1327.h
• /var/lib/jenkins/workspace/upm-doc-stable/src/lcd/ssd1327.cxx