Mikroelektronika MIKROE-350 Fiche De Données

397

- SOFTWARE AND HARDWARE SOLUTIONS FOR EMBEDDED WORLD

CHAPTER 6

sub procedure SPI_Glcd_Rectangle(dim x_upper_left as byte, dim
y_upper_left 

as byte, dim x_bottom_right as byte, dim

y_bottom_right 

as byte, dim color as byte)

Nothing.

Draws a rectangle on Glcd.

Parameters : 

- 

x_upper_left:

x coordinate of the upper left rectangle corner. Valid values: 0..127 

- 

y_upper_left:

y coordinate of the upper left rectangle corner. Valid values: 0..63 

- 

x_bottom_right:

x coordinate of the lower right rectangle corner. Valid 

values: 0..127 

- 

y_bottom_right:

y coordinate of the lower right rectangle corner. Valid 

values: 0..63 

- 

color:

color parameter. Valid values: 0..2 

The parameter 

color

determines the color of the rectangle border: 0 white, 1

black, and 2 inverts each dot.

Glcd needs to be initialized for SPI communication, see SPI_Glcd_Init routines.

' Draw a rectangle between dots (5,5) and (40,40)

SPI_Glcd_Rectangle(5, 5, 40, 40, 1)