LCD SetBitmap

From Bennu Wiki
Jump to: navigation, search

Up to LCD.DLL Functions



Definition

INT LCD_SetBitmap ( <INT device> , <INT priority> , <BYTE POINTER map> )

Sets the bitmap of the device to a certain map with a certain priority.

Parameters

INT device - Number of the device.
INT priority - The priority of the bitmap (see notes).
BYTE POINTER map - Pointer to a 160x43 byte array.

Returns

INT : LCD.DLL Errorcodes

LCD_ERROR_NONE - 0 - No error.
LCD_ERROR_SERVICEINACTIVE - -14 - The service is inactive.
LCD_ERROR_DEVICENOTCONNECTED - -21 - Device not connected.
LCD_ERROR_INVALIDPARAMETER - -22 - Invalid parameter.

Notes

  • Multiple priorities can be used:
LCD_PRIORITY_IDLE_NO_SHOW - Lowest priority, disable displaying. Use this priority when you don’t have anything to show.
LCD_PRIORITY_BACKGROUND - Priority used for low priority items.
LCD_PRIORITY_NORMAL - Normal priority, to be used by most applications most of the time.
LCD_PRIORITY_ALERT - Highest priority. To be used only for critical screens, such as "your CPU temperature is too high"
  • One can use map_buffer() to obtain a byte pointer to a map. Make sure this map is of size 160x43 and it has a color depth of 8.


LCD.DLL Functions
LCD_About()LCD_Close()LCD_Devices()LCD_GetDepth()LCD_GetHeight()LCD_GetNumButtons()LCD_GetWidth()LCD_Init()LCD_IntVersion()LCD_Open()LCD_Quit()LCD_ReadButton()LCD_ReadButtons()LCD_SetBitmap()LCD_Version()