Enc28j60Eth.h

00001 /*
00002  Enc28J60Network.h
00003  UIPEthernet network driver for Microchip ENC28J60 Ethernet Interface.
00004 
00005  Copyright (c) 2013 Norbert Truchsess <norbert.truchsess@t-online.de>
00006  All rights reserved.
00007 
00008  based on enc28j60.c file from the AVRlib library by Pascal Stang.
00009  For AVRlib See http://www.procyonengineering.com/
00010 
00011  Modified (ported to mbed) by Zoltan Hudak <hudakz@inbox.com>
00012 
00013  This program is free software: you can redistribute it and/or modify
00014  it under the terms of the GNU General Public License as published by
00015  the Free Software Foundation, either version 3 of the License, or
00016  (at your option) any later version.
00017 
00018  This program is distributed in the hope that it will be useful,
00019  but WITHOUT ANY WARRANTY; without even the implied warranty of
00020  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00021  GNU General Public License for more details.
00022 
00023  You should have received a copy of the GNU General Public License
00024  along with this program.  If not, see <http://www.gnu.org/licenses/>.
00025  */
00026 #ifndef ENC28J60PHY_H
00027 #define ENC28J60PHY_H
00028 
00029 #include "mbed.h"
00030 #include "MemPool.h"
00031 
00032 #define UIP_RECEIVEBUFFERHANDLE 0xff
00033 
00034 //#define ENC28J60DEBUG
00035 
00036 class Enc28j60Eth : public MemPool
00037 {
00038 private:
00039     SPI             _spi;
00040     DigitalOut      _cs;
00041     static uint16_t nextPacketPtr;
00042     static uint8_t  bank;
00043 
00044     static struct memblock  receivePkt;
00045 
00046     uint16_t    setReadPtr(memhandle handle, memaddress position, uint16_t len);
00047     void        setERXRDPT();
00048     void        readBuffer(uint16_t len, uint8_t* data);
00049     void        writeBuffer(uint16_t len, uint8_t* data);
00050     void        setBank(uint8_t address);
00051     uint8_t     readReg(uint8_t address);
00052     void        writeReg(uint8_t address, uint8_t data);
00053     void        phyWrite(uint8_t address, uint16_t data);
00054     uint16_t    phyRead(uint8_t address);
00055     void        clkout(uint8_t clk);
00056 
00057     friend void enc28j60_mempool_block_move_callback(memaddress, memaddress, memaddress);
00058 public:
00059     Enc28j60Eth(PinName mosi, PinName miso, PinName sclk, PinName cs);
00060     uint8_t     getrev();
00061     void        powerOn();
00062     void        powerOff();
00063     bool        linkStatus();
00064 
00065     void        init(uint8_t* macaddr);
00066     memhandle   receivePacket();
00067     void        freePacket();
00068     size_t      blockSize(memhandle handle);
00069     void        sendPacket(memhandle handle);
00070     uint16_t    readPacket(memhandle handle, memaddress position, uint8_t* buffer, uint16_t len);
00071     uint16_t    writePacket(memhandle handle, memaddress position, uint8_t* buffer, uint16_t len);
00072     void        copyPacket(memhandle dest, memaddress dest_pos, memhandle src, memaddress src_pos, uint16_t len);
00073     uint16_t    chksum(uint16_t sum, memhandle handle, memaddress pos, uint16_t len);
00074 
00075     uint8_t     readOp(uint8_t op, uint8_t address);
00076     uint8_t     readByte(uint16_t addr);
00077     void        writeOp(uint8_t op, uint8_t address, uint8_t data);
00078     void        writeRegPair(uint8_t address, uint16_t data);
00079     void        writeByte(uint16_t addr, uint8_t data);
00080 };
00081 
00082 #endif