grove.display

Submodules

• grove.display.base
  • Classes
  • Variables
• grove.display.jhd1802
  • Classes
• grove.display.sh1107g
  • Classes

Classes

• JHD1802: Grove - 16 x 2 LCD, using chip JHD1802.
• SH1107G_SSD1327: OLED Display 1.12”(v2) use chip SSD1327 or SH1107G.

class grove.display.JHD1802(address=62)

Grove - 16 x 2 LCD, using chip JHD1802.

• Grove - 16 x 2 LCD (Black on Yellow)
• Grove - 16 x 2 LCD (Black on Red)
• Grove - 16 x 2 LCD (White on Blue)

Also, it’s our class name, which could drive the above three LCDs.

Parameters:address (int) – I2C device address, default to 0x3E.

Inheritance

clear()

Clears the screen and positions the cursor in the upper-left corner.

draw(data, bytes)

Not implement for char type display device.

home()

Positions the cursor in the upper-left of the LCD. That is, use that location in outputting subsequent text to the display.

name

Get device name

Returns:JHD1802 Return type:string

setCursor(row, column)

Position the LCD cursor; that is, set the location at which subsequent text written to the LCD will be displayed.

Parameters:

• row (int) – the row at which to position cursor, with 0 being the first row
• column (int) – the column at which to position cursor, with 0 being the first column

Returns:

None

size()

Get display size

Returns:the display size, in characters. Return type:(Rows, Columns)

type()

Get device type

Returns:TYPE_CHAR Return type:int

write(msg)

Write character(s) to the LCD.

Parameters:msg (string) – the character(s) to write to the display Returns:None

class grove.display.SH1107G_SSD1327(address=60)

OLED Display 1.12”(v2) use chip SSD1327 or SH1107G.

Parameters:address (int) – I2C device address, default to 0x3E.

Inheritance

clear()

Clears the screen and positions the cursor in the upper-left corner.

draw(data, bytes)

Quickly transfer/draw bulk data (specified by data) to OLED, transfer size specified by bytes.

Parameters:

• data (list of int) – the data to transfer/draw
• bytes (int) – data size

home()

Positions the cursor in the upper-left of the OLED. That is, use that location in outputting subsequent text to the display.

name

Get device name

Returns:SH1107G/SSD1307 depends your device plugin. Return type:string

setCursor(row, column)

Position the OLED cursor; that is, set the location at which subsequent text written to the OLED will be displayed.

Parameters:

• row (int) – the row at which to position cursor, with 0 being the first row
• column (int) – the column at which to position cursor, with 0 being the first column

Returns:

None

type()

Get device type

Returns:TYPE_GRAY Return type:int

write(msg)

Write character(s) to the OLED.

Parameters:msg (string) – the character(s) to write to the display Returns:None