60 lines
2.1 KiB
C
60 lines
2.1 KiB
C
#ifndef __ETHERNETIF_H
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#define __ETHERNETIF_H
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#include "lwip/err.h"
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#include "lwip/netif.h"
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void run_tx_test(void);
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void WritePHYReg(uint8_t reg_add, uint16_t reg_val);
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uint16_t ReadPHYReg(uint8_t reg_add);
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#define ROM_CFG_USERADR_ID 0x1FFFF7E8
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#define ETH_DMARxDesc_FrameLengthShift 16
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#define ETH_MAX_PACKET_SIZE \
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1536 /* ETH_HEADER + VLAN_TAG + MAX_ETH_PAYLOAD + ETH_CRC */
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#define ETH_HEADER \
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14 /* 6 byte Dest addr, 6 byte Src addr, 2 byte length/type \
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*/
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#define ETH_CRC 4 /* Ethernet CRC */
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#define ETH_EXTRA 2 /* Extra bytes in some cases */
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#define VLAN_TAG 4 /* optional 802.1q VLAN Tag */
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#define MIN_ETH_PAYLOAD 46 /* Minimum Ethernet payload size */
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#define MAX_ETH_PAYLOAD 1500 /* Maximum Ethernet payload size */
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#define MIN_ETH_FRAME_SIZE (ETH_HEADER + MIN_ETH_PAYLOAD) /* 60 bytes */
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typedef struct {
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uint32_t volatile Status; /* Status */
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uint32_t ControlBufferSize; /* Control and Buffer1, Buffer2 lengths */
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uint32_t Buffer1Addr; /* Buffer1 address pointer */
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uint32_t Buffer2NextDescAddr; /* Buffer2 or next descriptor address pointer */
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} ETH_DMADESCTypeDef;
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/**
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* @brief Initialize the ethernet interface and lwIP network stack.
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* This function should be passed as the init function to netif_add().
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*
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* @param netif The lwIP network interface structure to be initialized.
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* @return ERR_OK if the loopif is initialized, ERR_MEM if private data couldn't
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* be allocated.
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*/
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err_t ethernetif_init(struct netif* netif);
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/**
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* @brief This function should be called periodically from your main loop
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* to check for incoming packets and pass them to lwIP.
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*
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* @param netif The lwIP network interface structure.
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*/
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void ethernetif_input(struct netif* netif);
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/**
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* @brief This function should be called periodically from your main loop
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* to check the link status and update lwIP accordingly.
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*
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* @param netif The lwIP network interface structure..
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*/
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void ethernetif_link_poll(struct netif* netif);
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#endif /* __ETHERNETIF_H */ |