AN3128 datasheet(73/105 Pages) STMICROELECTRONICS

73 / 105 page

AN3128

Multi-input embedded GUI library firmware

Doc ID 16918 Rev 5

73/105

4.6.3

GL_SetBackColor HAL function

Table 42 describes the GL_SetBackColor function of the hardware abstraction layer.

4.6.4

GL_Clear HAL function

Table 43 describes the GL_Clear function of the hardware abstraction layer.

Required preconditions None

Called functions

LCD_SetTextColor (TextColor)

Table 41.

GL_SetTextColor (continued)

Name

Description

Table 42.

GL_SetBackColor

Name

Description

Function name

GL_SetBackColor

Function prototype

void GL_SetBackColor (__IO uint16_t BackColor)

Behavior description

Sets the background color

Input parameter {x}

Color: specifies the background color code RGB(5-6-5)

Output parameter {x}

BackColor: background color global variable used by GL_DrawChar and

GL_DrawPicture functions

Return value

None

Required preconditions None

Called functions

LCD_SetBackColor (BackColor)

Table 43.

GL_Clear

Name

Description

Function name

GL_Clear

Function prototype

void GL_Clear (GL_uint16_t color)

Behavior description

Clears the whole LCD

Input parameter {x}

Color: the color of the background

Output parameter {x}

None

Return value

None

Required preconditions None

Called functions

LCD_Clear (Color)

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