Mikroelektronika MIKROE-350 Fiche De Données

423

- 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
dim 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)

sub procedure SPI_T6963C_WriteData(dim Ddata as 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)