ea1788_board.c

NXPl788上lwip的无操作系统移植,基于Embest开发板

/**********************************************************************
* $Id$		ea1788_board.c			2011-11-20
*//**
* @file		ea1788_board.c
* @brief	Board specific functions for the EA1788 board
* @version	1.0
* @date		20. Nov. 2011
* @author	NXP MCU SW Application Team
* 
* Copyright(C) 2011, NXP Semiconductor
* All rights reserved.
*
***********************************************************************
* Software that is described herein is for illustrative purposes only
* which provides customers with programming information regarding the
* products. This software is supplied "AS IS" without any warranties.
* NXP Semiconductors assumes no responsibility or liability for the
* use of the software, conveys no license or title under any patent,
* copyright, or mask work right to the product. NXP Semiconductors
* reserves the right to make changes in the software without
* notification. NXP Semiconductors also make no representation or
* warranty that such application will be suitable for the specified
* use without further testing or modification.
**********************************************************************/

#include "lpc177x_8x_gpio.h"
#include "lpc_board.h"

/** @ingroup EA1788
 * @{
 */

/** \brief  GPIO port used for LED control on the EA1788 board
 */
#define LED_GPIO_PORT_USED		(3)

/** \brief  GPIO bit used for LED control on the EA1788 board
 */
#define LED_GPIO_PIN_BIT		(1 << 23)

/** \brief  Set the EA1788 module red LED to an on or off state

    This function sets the LED to an on or off state for the board.
	The red LED on the EA1788 CPU module is used.

    \param [in]      state  New LED state, 0 = off, !0 = on
 */
void led_set(s32_t state)
{
	/* Set inverse GPIO state based on LED drive state */
	if (state)
		GPIO_OutputValue(LED_GPIO_PORT_USED, LED_GPIO_PIN_BIT, ENABLE);
	else
		GPIO_OutputValue(LED_GPIO_PORT_USED, LED_GPIO_PIN_BIT, DISABLE);
}

/** \brief  Setup EA1788 board for LWIP examples

    This function sets up the LED and ethernet pin muxing for the LPC1788
	as used on the EA1788 board.
 */
void board_setup(void)
{
	GPIO_Init();

	/* Set LED GPIO to an output */
	GPIO_SetDir(LED_GPIO_PORT_USED, LED_GPIO_PIN_BIT, GPIO_DIRECTION_OUTPUT);
    GPIO_SetDir(3, (1<<24), GPIO_DIRECTION_OUTPUT);
    GPIO_SetDir(3, (1<<25), GPIO_DIRECTION_OUTPUT);
    GPIO_SetDir(3, (1<<26), GPIO_DIRECTION_OUTPUT);
    GPIO_SetDir(3, (1<<27), GPIO_DIRECTION_OUTPUT);
    GPIO_SetDir(3, (1<<28), GPIO_DIRECTION_OUTPUT);
    GPIO_SetDir(3, (1<<29), GPIO_DIRECTION_OUTPUT);
    GPIO_SetDir(3, (1<<31), GPIO_DIRECTION_OUTPUT);
    
    GPIO_OutputValue(3, (1<<24), DISABLE);
    GPIO_OutputValue(3, (1<<25), DISABLE);
    GPIO_OutputValue(3, (1<<26), DISABLE);
    GPIO_OutputValue(3, (1<<27), DISABLE);
    GPIO_OutputValue(3, (1<<28), DISABLE);
    GPIO_OutputValue(3, (1<<29), DISABLE);
    GPIO_OutputValue(3, (1<<31), DISABLE);
	/* Configure ethernet pin muxing as follows:
	   RMII_TXD0     -> P1.0    -> FUNC1
	   RMII_TXD1     -> P1.1    -> FUNC1
	   RMII_TXEN     -> P1.4    -> FUNC1
	   RMII_RXD0     -> P1.9    -> FUNC1
	   RMII_RXD1     -> P1.10   -> FUNC1
	   RMII_CRS      -> P1.8    -> FUNC1
	   RMII_RXER     -> P1.14   -> FUNC1
	   RMII_MDIO     -> P1.17   -> FUNC1
	   RMII_MCD      -> P1.16   -> FUNC1
	   RMII_CLK      -> P1.15   -> FUNC1
	*/
	PINSEL_ConfigPin(1, 0, 1);
	PINSEL_ConfigPin(1, 1, 1);
	PINSEL_ConfigPin(1, 4, 1);
	PINSEL_ConfigPin(1, 9, 1);
	PINSEL_ConfigPin(1, 10, 1);
	PINSEL_ConfigPin(1, 8, 1);
	PINSEL_ConfigPin(1, 14, 1);
	PINSEL_ConfigPin(1, 17, 1);
	PINSEL_ConfigPin(1, 16, 1);
	PINSEL_ConfigPin(1, 15, 1);
}

/** \brief  Populates the MAC address for the board.

    This function sets the MAC address used for the EA1788 board. Although
	this can be replaced with something more capable, it simply uses a
	hard-coded MAC address for this example.
 */
void board_get_macaddr(u8_t *macaddr)
{
	macaddr[0] = LPC_EMAC_ADDR0;
	macaddr[1] = LPC_EMAC_ADDR1;
	macaddr[2] = LPC_EMAC_ADDR2;
	macaddr[3] = LPC_EMAC_ADDR3;
	macaddr[4] = LPC_EMAC_ADDR4;
	macaddr[5] = LPC_EMAC_ADDR5;
}

/**
 * @}
 */

/* --------------------------------- End Of File ------------------------------ */