sorry, here is my code...
Thanks!
Stéphane
#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 4 //default 0
#define CL_POL 1 //default 1
#define CL_PHA 1 //default 0
#define CL_BRATE 3000000 //default 8192000, 2000000?
#define CS_UP_UDLY 1 //default 1
#define CS_DW_UDLY 1 //default 1
#define TR_BT_UDLY 1 //default 1
static cyg_spi_at91_device_t spi_eb55_device CYG_SPI_DEVICE_ON_BUS(0) =
{
.spi_device.spi_bus = &cyg_spi_at91_bus.spi_bus,
.dev_num = DEV_NUM, // Device number
.cl_pol = CL_POL, // Clock polarity (0 or 1)
.cl_pha = CL_PHA, // Clock phase (0 or 1)
.cl_brate = CL_BRATE, // Clock baud rate
.cs_up_udly = CS_UP_UDLY, // Delay in usec between CS up and
transfer start
.cs_dw_udly = CS_DW_UDLY, // Delay in usec between transfer end and
CS down
.tr_bt_udly = TR_BT_UDLY // Delay in usec between two transfers
};
cyg_spi_device *cyg_spi_eb55_device = &spi_eb55_device.spi_device;
void printAT91_SPI_Configuration(cyg_spi_at91_device_t dev);
void setAT91_SPI_Configuration(cyg_spi_at91_device_t *dev);
void cyg_user_start(void)
{
cyg_uint8 tx_data0, tx_data1, tx_data2, tx_data3;
cyg_uint8 rx_data;
printf("Entering application !\n");
hal_diag_led(0x0);
tx_data0=0x0;
tx_data1=0x1;
tx_data2=0x90;
tx_data3=0x15;
//setAT91_SPI_Configuration(cyg_spi_dataflash_dev0);
cyg_spi_tick(cyg_spi_eb55_device, 0, 10);
printf("Sending data...\n");
printf("1\n");
cyg_spi_transaction_begin(cyg_spi_eb55_device);
printf("2\n");
cyg_spi_transaction_transfer(cyg_spi_eb55_device, 0, 1, &tx_data0,
&rx_data, 0);
printf("3\n");
//cyg_spi_transaction_tick(cyg_spi_eb55_device, 0, 1);
printf("4\n");
cyg_spi_transaction_end(cyg_spi_eb55_device);
printf("5\n");
printf("Datas deceived : %i\n",rx_data);
printf("Sending data...\n");
printf("1\n");
cyg_spi_transaction_begin(cyg_spi_eb55_device);
printf("2\n");
cyg_spi_transaction_transfer(cyg_spi_eb55_device, 0, 1, &tx_data1,
&rx_data, 0);
printf("3\n");
//cyg_spi_transaction_tick(cyg_spi_eb55_device, 0, 1);
printf("4\n");
cyg_spi_transaction_end(cyg_spi_eb55_device);
printf("5\n");
printf("Datas deceived : %i\n",rx_data);
printf("Sending data...\n");
printf("1\n");
cyg_spi_transaction_begin(cyg_spi_eb55_device);
printf("2\n");
cyg_spi_transaction_transfer(cyg_spi_eb55_device, 0, 1, &tx_data2,
&rx_data, 0);
printf("3\n");
//cyg_spi_transaction_tick(cyg_spi_eb55_device, 0, 1);
printf("4\n");
cyg_spi_transaction_end(cyg_spi_eb55_device);
printf("5\n");
printf("Datas deceived : %i\n",rx_data);
printf("Sending data...\n");
printf("1\n");
cyg_spi_transaction_begin(cyg_spi_eb55_device);
printf("2\n");
cyg_spi_transaction_transfer(cyg_spi_eb55_device, 0, 1, &tx_data3,
&rx_data, 0);
printf("3\n");
//cyg_spi_transaction_tick(cyg_spi_eb55_device, 0, 1);
printf("4\n");
cyg_spi_transaction_end(cyg_spi_eb55_device);
printf("5\n");
printf("Datas deceived : %i\n",rx_data);
//printAT91_SPI_Configuration(*spi_eb55_device);
/*printf("Sending data...\n");
cyg_spi_transfer(cyg_spi_eb55_device, 0, 1, &tx_data0, &rx_data);
cyg_spi_tick(cyg_spi_eb55_device, 0, 1);
printf("Datas deceived : %i\n",rx_data);
cyg_spi_transfer(cyg_spi_eb55_device, 0, 1, &tx_data1, &rx_data);
cyg_spi_tick(cyg_spi_eb55_device, 0, 1);
printf("Datas deceived : %i\n",rx_data);
cyg_spi_transfer(cyg_spi_eb55_device, 0, 1, &tx_data2, &rx_data);
//cyg_spi_tick(cyg_spi_eb55_device, 0, 8);
printf("Datas deceived : %i\n",rx_data);
cyg_spi_transfer(cyg_spi_eb55_device, 0, 1, &tx_data3, &rx_data);
//cyg_spi_tick(cyg_spi_eb55_device, 0, 8);
printf("Datas deceived : %i\n",rx_data);*/
printf("End of main !\n");
//cyg_thread_exit();
}
void setAT91_SPI_Configuration(cyg_spi_at91_device_t *dev)
{
printAT91_SPI_Configuration(*dev);
printf("Setting SPI AT91 devince configuration...\n");
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");
printAT91_SPI_Configuration(*dev);
}
void printAT91_SPI_Configuration(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");
}
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