Mikroelektronika MIKROE-738 Datenbogen

mikroC PRO for PIC32

MikroElektronika

387

Expander_Init_Advanced

void Expander_Init_Advanced(char *rstPort, char rstPin, char haen);

Description Initializes Port Expander using SPI communication.
Parameters - 

rstPort

: Port Expander’s reset port 

- 

rstPin

: Port Expander’s reset pin 

- 

haen

: Port Expander’s hardware address 

Nothing.

- 

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 SPIx_Init and SPIx_Init_Advanced routines. 

sbit  SPExpanderRST at RF0_bit;

sbit  SPExpanderCS  at RF1_bit;

sbit  SPExpanderRST_Direction at TRISF0_bit;

sbit  SPExpanderCS_Direction  at TRISF1_bit;

...

SPI1_Init();        // Initialize SPI1 module used with PortExpander

Expander_Init_Advanced(&PORTB, 0, 0);         // Initialize Port Expander

None.