group__enc28j60.html

avr应用测试程序

<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="ga197" doxytag="enc28j60::MAX_FRAMELEN"></a>
#define&nbsp;</td><td class="memItemRight" valign="bottom"><b>MAX_FRAMELEN</b>&nbsp;&nbsp;&nbsp;1518</td></tr>

<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="ga198" doxytag="enc28j60::ETHERNET_MIN_PACKET_LENGTH"></a>
#define&nbsp;</td><td class="memItemRight" valign="bottom"><b>ETHERNET_MIN_PACKET_LENGTH</b>&nbsp;&nbsp;&nbsp;0x3C</td></tr>

<tr><td colspan="2"><br><h2>Functions</h2></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="ga0" doxytag="enc28j60::enc28j60ReadOp"></a>
u08&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__enc28j60.html#ga0">enc28j60ReadOp</a> (u08 op, u08 address)</td></tr>

<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">do a ENC28J60 read operation <br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="ga1" doxytag="enc28j60::enc28j60WriteOp"></a>
void&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__enc28j60.html#ga1">enc28j60WriteOp</a> (u08 op, u08 address, u08 data)</td></tr>

<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">do a ENC28J60 write operation <br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="ga2" doxytag="enc28j60::enc28j60ReadBuffer"></a>
void&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__enc28j60.html#ga2">enc28j60ReadBuffer</a> (u16 len, u08 *data)</td></tr>

<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">read the packet buffer memory <br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="ga3" doxytag="enc28j60::enc28j60WriteBuffer"></a>
void&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__enc28j60.html#ga3">enc28j60WriteBuffer</a> (u16 len, u08 *data)</td></tr>

<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">write the packet buffer memory <br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="ga4" doxytag="enc28j60::enc28j60SetBank"></a>
void&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__enc28j60.html#ga4">enc28j60SetBank</a> (u08 address)</td></tr>

<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">set the register bank for register at address <br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="ga5" doxytag="enc28j60::enc28j60Read"></a>
u08&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__enc28j60.html#ga5">enc28j60Read</a> (u08 address)</td></tr>

<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">read ax88796 register <br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="ga6" doxytag="enc28j60::enc28j60Write"></a>
void&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__enc28j60.html#ga6">enc28j60Write</a> (u08 address, u08 data)</td></tr>

<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">write ax88796 register <br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="ga7" doxytag="enc28j60::enc28j60PhyRead"></a>
u16&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__enc28j60.html#ga7">enc28j60PhyRead</a> (u08 address)</td></tr>

<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">read a PHY register <br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="ga8" doxytag="enc28j60::enc28j60PhyWrite"></a>
void&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__enc28j60.html#ga8">enc28j60PhyWrite</a> (u08 address, u16 data)</td></tr>

<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">write a PHY register <br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="ga9" doxytag="enc28j60::enc28j60Init"></a>
void&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__enc28j60.html#ga9">enc28j60Init</a> (void)</td></tr>

<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">initialize the ethernet interface for transmit/receive <br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">void&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__enc28j60.html#ga10">enc28j60PacketSend</a> (unsigned int len, unsigned char *packet)</td></tr>

<tr><td class="memItemLeft" nowrap align="right" valign="top">unsigned int&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__enc28j60.html#ga11">enc28j60PacketReceive</a> (unsigned int maxlen, unsigned char *packet)</td></tr>

<tr><td class="memItemLeft" nowrap align="right" valign="top">void&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__enc28j60.html#ga12">enc28j60ReceiveOverflowRecover</a> (void)</td></tr>

<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="ga13" doxytag="enc28j60::enc28j60RegDump"></a>
void&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__enc28j60.html#ga13">enc28j60RegDump</a> (void)</td></tr>

<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">formatted print of important ENC28J60 registers <br></td></tr>
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<hr><h2>Function Documentation</h2>
<a class="anchor" name="ga11" doxytag="enc28j60.h::enc28j60PacketReceive"></a><p>
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          <td class="md" nowrap valign="top">unsigned int enc28j60PacketReceive           </td>
          <td class="md" valign="top">(&nbsp;</td>
          <td class="md" nowrap valign="top">unsigned int&nbsp;</td>
          <td class="mdname" nowrap> <em>maxlen</em>, </td>
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          <td class="mdname" nowrap> <em>packet</em></td>
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          <td class="md">)&nbsp;</td>
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<p>
Packet receive function. Gets a packet from the network receive buffer, if one is available. The packet will by headed by an ethernet header. <dl compact><dt><b>Parameters:</b></dt><dd>
  <table border="0" cellspacing="2" cellpadding="0">
    <tr><td valign="top"></td><td valign="top"><em>maxlen</em>&nbsp;</td><td>The maximum acceptable length of a retrieved packet. </td></tr>
    <tr><td valign="top"></td><td valign="top"><em>packet</em>&nbsp;</td><td>Pointer where packet data should be stored. </td></tr>
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<dl compact><dt><b>Returns:</b></dt><dd>Packet length in bytes if a packet was retrieved, zero otherwise. </dd></dl>

<p>
Definition at line <a class="el" href="enc28j60_8c-source.html#l00404">404</a> of file <a class="el" href="enc28j60_8c-source.html">enc28j60.c</a>.    </td>
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<a class="anchor" name="ga10" doxytag="enc28j60.h::enc28j60PacketSend"></a><p>
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          <td class="md" nowrap valign="top">void enc28j60PacketSend           </td>
          <td class="md" valign="top">(&nbsp;</td>
          <td class="md" nowrap valign="top">unsigned int&nbsp;</td>
          <td class="mdname" nowrap> <em>len</em>, </td>
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          <td class="md" nowrap>unsigned char *&nbsp;</td>
          <td class="mdname" nowrap> <em>packet</em></td>
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<p>
Packet transmit function. Sends a packet on the network. It is assumed that the packet is headed by a valid ethernet header. <dl compact><dt><b>Parameters:</b></dt><dd>
  <table border="0" cellspacing="2" cellpadding="0">
    <tr><td valign="top"></td><td valign="top"><em>len</em>&nbsp;</td><td>Length of packet in bytes. </td></tr>
    <tr><td valign="top"></td><td valign="top"><em>packet</em>&nbsp;</td><td>Pointer to packet data. </td></tr>
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</dl>

<p>
Definition at line <a class="el" href="enc28j60_8c-source.html#l00385">385</a> of file <a class="el" href="enc28j60_8c-source.html">enc28j60.c</a>.    </td>
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<a class="anchor" name="ga12" doxytag="enc28j60.h::enc28j60ReceiveOverflowRecover"></a><p>
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          <td class="md" nowrap valign="top">void enc28j60ReceiveOverflowRecover           </td>
          <td class="md" valign="top">(&nbsp;</td>
          <td class="md" nowrap valign="top">void&nbsp;</td>
          <td class="mdname1" valign="top" nowrap>          </td>
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<p>
execute procedure for recovering from a receive overflow this should be done when the receive memory fills up with packets 
<p>
Definition at line <a class="el" href="enc28j60_8c-source.html#l00449">449</a> of file <a class="el" href="enc28j60_8c-source.html">enc28j60.c</a>.    </td>
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