85 lines
2.8 KiB
C
85 lines
2.8 KiB
C
/*
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ChibiOS/RT - Copyright (C) 2006-2007 Giovanni Di Sirio.
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This file is part of ChibiOS/RT.
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ChibiOS/RT is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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ChibiOS/RT is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef _SAM7X_EMAC_H_
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#define _SAM7X_EMAC_H_
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typedef struct {
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uint32_t w1;
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uint32_t w2;
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} BufDescriptorEntry;
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#define W1_R_OWNERSHIP 0x00000001
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#define W1_R_WRAP 0x00000002
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#define W1_R_ADDRESS_MASK 0xFFFFFFFC
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#define W2_R_LENGTH_MASK 0x00000FFF
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#define W2_R_FRAME_START 0x00004000
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#define W2_R_FRAME_END 0x00008000
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#define W2_R_CFI 0x00010000
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#define W2_R_VLAN_PRIO_MASK 0x000E0000
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#define W2_R_PRIO_TAG_DETECTED 0x00100000
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#define W2_R_VLAN_TAG_DETECTED 0x00200000
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#define W2_R_TYPE_ID_MATCH 0x00400000
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#define W2_R_ADDR4_MATCH 0x00800000
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#define W2_R_ADDR3_MATCH 0x01000000
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#define W2_R_ADDR2_MATCH 0x02000000
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#define W2_R_ADDR1_MATCH 0x04000000
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#define W2_R_RFU1 0x08000000
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#define W2_R_ADDR_EXT_MATCH 0x10000000
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#define W2_R_UNICAST_MATCH 0x20000000
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#define W2_R_MULTICAST_MATCH 0x40000000
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#define W2_R_BROADCAST_DETECTED 0x80000000
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#define W1_T_BUFFER_MASK 0xFFFFFFFC
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#define W2_T_LENGTH_MASK 0x000007FF
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#define W2_T_LOCKED 0x00000800 /* Not an EMAC flag, used by the driver */
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#define W2_T_RFU1 0x00003000
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#define W2_T_LAST_BUFFER 0x00004000
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#define W2_T_NO_CRC 0x00008000
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#define W2_T_RFU2 0x07FF0000
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#define W2_T_BUFFERS_EXHAUSTED 0x08000000
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#define W2_T_TRANSMIT_UNDERRUN 0x10000000
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#define W2_T_RETRY_LIMIT_EXC 0x20000000
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#define W2_T_WRAP 0x40000000
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#define W2_T_USED 0x80000000
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struct MACHeader {
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uint8_t destination[6];
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uint8_t source[6];
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uint8_t ethertype[2];
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};
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#ifdef __cplusplus
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extern "C" {
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#endif
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void InitEMAC(int prio);
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void EMACSetAddress(uint8_t *eaddr);
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bool_t EMACGetLinkStatus(void);
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bool_t EMACTransmit(struct MACHeader *hdr, uint8_t *data, size_t size);
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bool_t EMACReceive(uint8_t *buf, size_t *sizep);
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#ifdef __cplusplus
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}
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#endif
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extern EventSource EMACFrameTransmitted, EMACFrameReceived;
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#endif /* _SAM7X_EMAC_H_ */
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