/home/midibox/svn_snapshot/mios32/trunk/modules/uip/mios32/LPC17xx/lpc17xx_emac.c File Reference

#include <string.h>
#include "lpc17xx_emac.h"
#include "uip-conf.h"
#include "uipopt.h"

Defines
#define	LAN8720_ID   0x0007C0F0
#define	LPC17XX_EMAC_MEM_SECTION   __attribute__ ((section (".bss_ahb")))
#define	LPC17XX_EMAC_NUM_RX_FRAG   4
#define	LPC17XX_EMAC_NUM_TX_FRAG   3
#define	LPC17XX_EMAC_FRAG_SIZE   1538
#define	NUM_RX_FRAG   LPC17XX_EMAC_NUM_RX_FRAG
#define	NUM_TX_FRAG   LPC17XX_EMAC_NUM_TX_FRAG
#define	ETH_FRAG_SIZE   LPC17XX_EMAC_FRAG_SIZE
#define	ETH_MAX_FLEN   LPC17XX_EMAC_FRAG_SIZE
#define	NUM_RX_FRAG   LPC17XX_EMAC_NUM_RX_FRAG
#define	NUM_TX_FRAG   LPC17XX_EMAC_NUM_TX_FRAG
#define	RX_DESC_BASE   ((u32)&rx_desc_ll)
#define	RX_STAT_BASE   ((u32)&rx_stat_ll)
#define	TX_DESC_BASE   ((u32)&tx_desc_ll)
#define	TX_STAT_BASE   ((u32)&tx_stat)
#define	MEM32(addr)   (*((volatile u32 *)(addr)))
#define	RX_DESC_PACKET(i)   MEM32(RX_DESC_BASE + 8*i + 0)
#define	RX_DESC_CTRL(i)   MEM32(RX_DESC_BASE + 8*i + 4)
#define	RX_STAT_INFO(i)   MEM32(RX_STAT_BASE + 8*i + 0)
#define	RX_STAT_HASHCRC(i)   MEM32(RX_STAT_BASE + 8*i + 4)
#define	TX_DESC_PACKET(i)   MEM32(TX_DESC_BASE + 8*i + 0)
#define	TX_DESC_CTRL(i)   MEM32(TX_DESC_BASE + 8*i + 4)
#define	TX_STAT_INFO(i)   tx_stat[i]
#define	RX_BUF(i)   (&rx_buf[(i*ETH_FRAG_SIZE)/4])
#define	TX_BUF(i)   (&tx_buf[(i*ETH_FRAG_SIZE)/4])
Functions
BOOL_32	EMAC_Init (uint8_t *mac_addr)
BOOL_32	EMAC_Init2 (uint8_t *mac_addr)
BOOL_32	EMAC_Init3 (uint8_t *mac_addr)
BOOL_32	EMAC_CheckLink (void)
UNS_32	EMAC_ReadPacket (void *pPacket)
BOOL_32	EMAC_SendPacket (void *pPacket, UNS_32 size, void *pPacket2, UNS_32 size2)
Variables
LPC_EMAC	SA1 = (mac_addr[3]<<8) | mac_addr[2]
LPC_EMAC	SA2 = (mac_addr[5]<<8) | mac_addr[4]
LPC_EMAC	RxFilterCtrl = RFC_BCAST_EN | RFC_PERFECT_EN
LPC_EMAC	IntEnable = INT_RX_DONE | INT_TX_DONE
LPC_EMAC	IntClear = 0xFFFF
LPC_EMAC	Command = (CR_RX_EN | CR_TX_EN)
LPC_EMAC	MAC1 = MAC1_REC_EN
return	TRUE

---

Define Documentation

#define ETH_FRAG_SIZE   LPC17XX_EMAC_FRAG_SIZE

#define ETH_MAX_FLEN   LPC17XX_EMAC_FRAG_SIZE

#define LAN8720_ID   0x0007C0F0

#define LPC17XX_EMAC_FRAG_SIZE   1538

#define LPC17XX_EMAC_MEM_SECTION   __attribute__ ((section (".bss_ahb")))

#define LPC17XX_EMAC_NUM_RX_FRAG   4

#define LPC17XX_EMAC_NUM_TX_FRAG   3

#define MEM32

(

addr

)

(*((volatile u32 *)(addr)))

#define NUM_RX_FRAG   LPC17XX_EMAC_NUM_RX_FRAG

#define NUM_RX_FRAG   LPC17XX_EMAC_NUM_RX_FRAG

#define NUM_TX_FRAG   LPC17XX_EMAC_NUM_TX_FRAG

#define NUM_TX_FRAG   LPC17XX_EMAC_NUM_TX_FRAG

#define RX_BUF

(

i

)

(&rx_buf[(i*ETH_FRAG_SIZE)/4])

#define RX_DESC_BASE   ((u32)&rx_desc_ll)

#define RX_DESC_CTRL

(

i

)

MEM32(RX_DESC_BASE + 8*i + 4)

#define RX_DESC_PACKET

(

i

)

MEM32(RX_DESC_BASE + 8*i + 0)

#define RX_STAT_BASE   ((u32)&rx_stat_ll)

#define RX_STAT_HASHCRC

(

i

)

MEM32(RX_STAT_BASE + 8*i + 4)

#define RX_STAT_INFO

(

i

)

MEM32(RX_STAT_BASE + 8*i + 0)

#define TX_BUF

(

i

)

(&tx_buf[(i*ETH_FRAG_SIZE)/4])

#define TX_DESC_BASE   ((u32)&tx_desc_ll)

#define TX_DESC_CTRL

(

i

)

MEM32(TX_DESC_BASE + 8*i + 4)

#define TX_DESC_PACKET

(

i

)

MEM32(TX_DESC_BASE + 8*i + 0)

#define TX_STAT_BASE   ((u32)&tx_stat)

#define TX_STAT_INFO

(

i

)

tx_stat[i]

---

Function Documentation

BOOL_32 EMAC_CheckLink

(

void

)

BOOL_32 EMAC_Init

(

uint8_t *

mac_addr

)

BOOL_32 EMAC_Init2

(

uint8_t *

mac_addr

)

BOOL_32 EMAC_Init3

(

uint8_t *

mac_addr

)

UNS_32 EMAC_ReadPacket

(

void *

pPacket

)

Here is the call graph for this function:

BOOL_32 EMAC_SendPacket	(	void *	pPacket,
		UNS_32	size,
		void *	pPacket2,
		UNS_32	size2
	)

---

Variable Documentation

LPC_EMAC Command = (CR_RX_EN | CR_TX_EN)

LPC_EMAC IntClear = 0xFFFF

LPC_EMAC IntEnable = INT_RX_DONE | INT_TX_DONE

LPC_EMAC MAC1 = MAC1_REC_EN

LPC_EMAC RxFilterCtrl = RFC_BCAST_EN | RFC_PERFECT_EN

LPC_EMAC SA1 = (mac_addr[3]<<8) | mac_addr[2]

LPC_EMAC SA2 = (mac_addr[5]<<8) | mac_addr[4]

return TRUE