#include <stdio.h>
#include <cyg/hal/hal_diag.h>
#include <cyg/io/spi.h>
#include <cyg/io/spi_at91.h>
#include <cyg/io/spi_eb55.h>

#define DEV_NUM 5 //default 0
#define CL_POL 1 //default 1 //mode3=1
#define CL_PHA 1 //default 0 //mode3=1
#define CL_BRATE 10000 //default 8192000
#define CS_UP_UDLY 1 //default 1
#define CS_DW_UDLY 1 //default 1
#define TR_BT_UDLY 1 //default 1

cyg_spi_at91_device_t *spi_eb55_device;
cyg_spi_device *cyg_spi_eb55_device;

void echo_spi_at91_device(cyg_spi_at91_device_t dev);
cyg_spi_device *configure_spi_at91_device(cyg_spi_at91_device_t *dev);

int main()
{
    int i=0;
    cyg_uint8 tx_data_test;
    cyg_uint8 rx_data;
    
    printf("Entering application !\n");
    hal_diag_led(0x0);
    
    //HAL_WRITE_UINT32(0xFFFEC000, 0x01FC);
    
    cyg_spi_eb55_device = configure_spi_at91_device(spi_eb55_device);
    
    tx_data_test=0x55;
    
    printf("Sending data...\n");
    printf("1\n");
    cyg_spi_transaction_begin(cyg_spi_eb55_device);
    printf("2\n");
    while(1)
    {
        printf("%i\n",i++);
        printf("a\n");
        cyg_spi_transaction_transfer(cyg_spi_eb55_device, 0, 8, &tx_data_test, &rx_data, 0);
        cyg_spi_transaction_tick(cyg_spi_eb55_device, 0, 1);
        printf("b\n");
        //printf("Datas deceived : %i\n",rx_data);
    }
    
    /*cyg_spi_transaction_end(cyg_spi_eb55_device);*/
    
    printf("End of main !\n");
}

cyg_spi_device *configure_spi_at91_device(cyg_spi_at91_device_t *dev)
{
    echo_spi_at91_device(*dev);
    
    printf("Setting SPI AT91 device configuration...\n");
    dev->spi_device.spi_bus = &cyg_spi_at91_bus.spi_bus;
    dev->dev_num = DEV_NUM;
    dev->cl_pol = CL_POL;
    dev->cl_pha = CL_PHA;
    dev->cl_brate = CL_BRATE;
    dev->cs_up_udly = CS_UP_UDLY;
    dev->cs_dw_udly = CS_DW_UDLY;
    dev->tr_bt_udly = TR_BT_UDLY;
    printf("Configuration setted.\n");
    
    echo_spi_at91_device(*dev);
    
    return &dev->spi_device;
}

void echo_spi_at91_device(cyg_spi_at91_device_t dev)
{
    printf("Printing SPI AT91 device configuration :\n");
    printf("-  -------------\n");
    printf("-  dev_number  = %i\n",dev.dev_num);
    printf("-  cl_polarity = %i\n",dev.cl_pol);
    printf("-  cl_phase    = %i\n",dev.cl_pha);
    printf("-  cl_baudrate = %i\n",dev.cl_brate);
    printf("-  cs_up_udly  = %i\n",dev.cs_up_udly);
    printf("-  cs_dw_udly  = %i\n",dev.cs_dw_udly);
    printf("-  tr_br_udly  = %i\n",dev.tr_bt_udly);
    printf("-  -------------\n");
}