AT32UC3C-EK SPI

#include <asf.h>

#define PBC      12000000

#define SPI_TMP             (&AVR32_SPI0)

#define DummyData 0xFF 

 //init spi 0

 void init_spi(void){

   static const gpio_map_t SPI_GPIO_MAPPING  =

  {

  {102,0 }, //GPIO102, Function A  // SPI Clock.

  {101,0 }, //GPIO101, Function A  // MISO.

  {107,0 }, //GPIO107, Function A  // MOSI.

  {93,0 }, //GPIO93, Function A  // CS0

  };

  // Assign I/Os to SPI

  gpio_enable_module(SPI_GPIO_MAPPING, sizeof(SPI_GPIO_MAPPING) / sizeof(SPI_GPIO_MAPPING[0]));

  //enable the clock for the spi controller

  sysclk_enable_pba_module(SYSCLK_SPI0);

  //set spi options

  spi_options_t spi_options =

  {

    .baudrate     = 12000000,  // spi baudrate

    .bits         = 16,    // number of bits from 8 to 16

    .modfdis      = 0,    // disables the mode fault detection

    .reg          = 0,    // spi channel

    .spck_delay   = 0,    // delay before first clock pulse

    .spi_mode     = 1,    // spi mode to use when transmitting

    .stay_act     = 0,    // sets this chip to stay active after last transfer

    .trans_delay  = 0    // delay between each transfer

  };

  spi_initMaster(SPI_TMP, &spi_options);      // init function

  spi_set_master_mode(SPI_TMP);          // set master mode

  spi_selectChip(SPI_TMP, 0);              // select a chip

  spi_setupChipReg(SPI_TMP, &spi_options, PBC);  // setup chip

  spi_enable(SPI_TMP);              // enable spi

}

int main (void){

  board_init();

  init_spi();

  while (1){

    spi_write(SPI_TMP,DummyData); //0xFF tends to be good for dummy data

    //spi_read((&AVR32_SPI0),&data_read); //Read data

  }

}