/***************************************************************************//**
 * @file 	drv_ethernet.h
 * @brief 	Ethernet driver (SPI mode) of RT-Thread RTOS for using EFM32 USART 
 *  module
 * 	 This driver is tested by using the Microchip ENC28J60 stand-alone Ethernet 
 *  controller with SPI interface.
 * 	COPYRIGHT (C) 2011, RT-Thread Development Team
 * @author 	onelife
 * @version 0.4 beta
 *******************************************************************************
 * @section License
 * The license and distribution terms for this file may be found in the file 
 *  LICENSE in this distribution or at http://www.rt-thread.org/license/LICENSE
 *******************************************************************************
 * @section Change Logs
 * Date			Author		Notes
 * 2011-06-22	onelife		Initial creation for using EFM32 USART module
 ******************************************************************************/
#ifndef __DEV_ETHERNET_H__
#define __DEV_ETHERNET_H__

/* Includes ------------------------------------------------------------------*/
#include "enc28j60.h"

/* Exported types ------------------------------------------------------------*/
/* Exported constants --------------------------------------------------------*/
/* Exported macro ------------------------------------------------------------*/
#define ETH_ADDR_LEN 			(6)
#define ETH_CLK_MAX 			(10000000) 	/* Should be more than 8 Mz (Errata 1) */
//#define ETH_HALF_DUPLEX

#define ETH_PERIOD_WAIT_INIT 	(RT_TICK_PER_SECOND/100)
#define ETH_PERIOD_WAIT_TX 		(RT_TICK_PER_SECOND/100)
#define ETH_SPI_RX_SKIP 		(1)

#define ETH_RESET_PORT 			(gpioPortB)
#define ETH_RESET_PIN 			(9)
#define ETH_INT_PORT 			(gpioPortB)
#define ETH_INT_PIN 			(10)

/* Exported functions ------------------------------------------------------- */
rt_err_t efm_hw_eth_init(void);

#endif /* __DEV_ETHERNET_H__ */