spi.Init

#include <file_config.h>

BOOL Init  (
     void);

The function Init initializes the SPI serial interface. It is invoked by the function finit upon system startup.

The function is part of the SPI Driver. The prototype is defined in the file File_Config.h. Developers must customize the function.

• __TRUE - on success.
• __FALSE - on failure.

spi.BusSpeed, spi.CheckMedia, spi.RecBuf, spi.Send, spi.SendBuf, spi.SetSS, spi.UnInit

/* SPI Device Driver Control Block */
SPI_DRV spi0_drv = {
  Init,
  UnInit,
  Send,
  SendBuf,
  RecBuf,
  BusSpeed,
  SetSS,
  CheckMedia
};

/* Initialize and enable the SSP Interface module. */
static BOOL Init (void)  {

  /* SSEL is GPIO, output set to high. */
  IODIR0 |= 1<<20;
  IOSET0  = 1<<20;
  PINSEL1 = (PINSEL1 & ~0x000003FC) | 0x000000A8;

  /* Enable SPI in Master Mode, CPOL=0, CPHA=0. */
  SSPCR0  = 0x0007;
  SSPCR1  = 0x0002;
  SSPCPSR = 0xFE;
  return (__TRUE);
}