Mikroelektronika MIKROE-742 데이터 시트

432

- SOFTWARE AND HARDWARE SOLUTIONS FOR EMBEDDED WORLD

CHAPTER 6

Global variables : 

- 

SPExpanderCS

: Chip Select line 

- 

SPExpanderRST

: Reset line 

- 

SPExpanderCS_Direction

: Direction of the Chip Select pin 

- 

SPExpanderRST_Direction

: Direction of the Reset pin

must be defined before using this function. 

SPI module needs to be initialized. See SPI1_Init and SPI1_Init_Advanced routines. 

' port expander pinout definition
var SPExpanderCS as sbit at PORTB.B1

SPExpanderRST as 

sbit at PORTB.B0

SPExpanderCS_Direction as 

sbit at DDRB.B1

SPExpanderRST_Direction as 

sbit at DDRB.B0

...

// Initialize SPI module
SPI1_Init_Advanced(_SPI_MASTER, _SPI_FCY_DIV32,
_SPI_CLK_HI_TRAILING);

SPI_Rd_Ptr := @SPI1_Read;                    // Pass pointer to

SPI Read function of used SPI module
SPI_T6963C_Config(240, 64, 8, 0, 0, 1, 3, 4);

procedure SPI_T6963C_WriteData(Ddata : byte);

Nothing.

Writes data to T6963C controller via SPI interface.

Parameters : 

- 

Ddata

: data to be written 

Toshiba Glcd module needs to be initialized. See SPI_T6963C_Config routine.

SPI_T6963C_WriteData(AddrL);