Mikroelektronika MIKROE-350 Data Sheet

220

- SOFTWARE AND HARDWARE SOLUTIONS FOR EMBEDDED WORLD

CHAPTER 6

sub procedure Glcd_Init()

Nothing.

Initializes the Glcd module. Each of the control lines is both port and pin config-
urable, while data lines must be on a single port (pins <0:7>).

Global variables : 

- 

GLCD_CS1

: Chip select 1 signal pin 

- 

GLCD_CS2

: Chip select 2 signal pin 

- 

GLCD_RS

: Register select signal pin 

- 

GLCD_RW

: Read/Write Signal pin 

- 

GLCD_EN

: Enable signal pin 

- 

GLCD_RST

: Reset signal pin 

- 

GLCD_DataPort

: Data port 

- 

GLCD_CS1_Direction

: Direction of the Chip select 1 pin 

- 

GLCD_CS2_Direction

: Direction of the Chip select 2 pin 

- 

GLCD_RS_Direction

: Direction of the Register select signal pin 

- 

GLCD_RW_Direction

: Direction of the Read/Write signal pin 

- 

GLCD_EN_Direction

: Direction of the Enable signal pin 

- 

GLCD_RST_Direction

: Direction of the Reset signal pin 

- 

GLCD_DataPort_Direction

: Direction of the Data port 

must be defined before using this function.

// Glcd module connections
dim GLCD_DataPort           as byte at PORTC

GLCD_DataPort_Direction 

as byte at DDRC

dim GLCD_CS1 as sbit at PORTD.B2

GLCD_CS2 

as sbit at PORTD.B3

GLCD_RS  

as sbit at PORTD.B4

GLCD_RW  

as sbit at PORTD.B5

GLCD_EN  

as sbit at PORTD.B6

GLCD_RST 

as sbit at PORTD.B7

dim GLCD_CS1_Direction as sbit at DDRD.B2

GLCD_CS2_Direction 

as sbit at DDRD.B3

GLCD_RS_Direction 

as sbit at DDRD.B4

GLCD_RW_Direction  

as sbit at DDRD.B5

GLCD_EN_Direction  

as sbit at DDRD.B6

GLCD_RST_Direction 

as sbit at DDRD.B7

// End Glcd module connections

...

Glcd_Init()