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<p>
Use <a class="el" href="system_8h.html#a11">SEND_NETWORK_B()</a> macro instead of invoking this function directly. 
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Definition at line <a class="el" href="ethernet_8c-source.html#l00148">148</a> of file <a class="el" href="ethernet_8c-source.html">ethernet.c</a>.
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References <a class="el" href="config_8h-source.html#l00091">DATABUS</a>, <a class="el" href="config_8h-source.html#l00102">IOCHRDY</a>, and <a class="el" href="config_8h-source.html#l00100">IOW</a>.
<p>
Referenced by <a class="el" href="ethernet_8c-source.html#l00725">NE2000SendFrame()</a>, and <a class="el" href="ethernet_8c-source.html#l00608">NE2000WriteEthernetHeader()</a>.    </td>
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<a name="a41" doxytag="ethernet.h::inNE2000"></a><p>
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          <td class="md" nowrap valign="top"> UINT8 inNE2000 </td>
          <td class="md" valign="top">(&nbsp;</td>
          <td class="md" nowrap valign="top">UINT8&nbsp;</td>
          <td class="mdname1" valign="top" nowrap>&nbsp; <em>reg</em>          </td>
          <td class="md" valign="top">)&nbsp;</td>
          <td class="md" nowrap></td>
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<dl compact><dt><b>Author: </b></dt><dd>
 <ul>
<li> Jari Lahti (<a href="mailto:[e-mail]">[e-mail]</a>) </ul>
</dl><dl compact><dt><b>Date: </b></dt><dd>
19.02.2002 </dl><dl compact><dt><b>Parameters: </b></dt><dd>
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<tr><td valign=top><em>reg</em>&nbsp;</td><td>
NE2000 register address </td></tr>
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</dl><dl compact><dt><b>Returns: </b></dt><dd>
Register content</dl>Invoke this function to read contents of a NE2000 register. 
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Definition at line <a class="el" href="ethernet_8c-source.html#l00198">198</a> of file <a class="el" href="ethernet_8c-source.html">ethernet.c</a>.
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References <a class="el" href="config_8h-source.html#l00097">ADRBUS</a>, <a class="el" href="config_8h-source.html#l00091">DATABUS</a>, <a class="el" href="config_8h-source.html#l00094">DATADIR</a>, <a class="el" href="config_8h-source.html#l00085">DDR_IN</a>, <a class="el" href="config_8h-source.html#l00102">IOCHRDY</a>, and <a class="el" href="config_8h-source.html#l00101">IOR</a>.
<p>
Referenced by <a class="el" href="ethernet_8c-source.html#l00570">InitTransmission()</a>, <a class="el" href="ethernet_8c-source.html#l00393">NE2000CheckOverFlow()</a>, <a class="el" href="ethernet_8c-source.html#l00274">NE2000CheckRxFrame()</a>, and <a class="el" href="ethernet_8c-source.html#l00482">NE2000ReceiveFrame()</a>.    </td>
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<a name="a42" doxytag="ethernet.h::inNE2000again"></a><p>
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          <td class="md" nowrap valign="top"> UINT8 inNE2000again </td>
          <td class="md" valign="top">(&nbsp;</td>
          <td class="md" nowrap valign="top">void&nbsp;</td>
          <td class="mdname1" valign="top" nowrap>&nbsp;          </td>
          <td class="md" valign="top">)&nbsp;</td>
          <td class="md" nowrap></td>
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<p>
<dl compact><dt><b>Author: </b></dt><dd>
 <ul>
<li> Jari Lahti (<a href="mailto:[e-mail]">[e-mail]</a>) </ul>
</dl><dl compact><dt><b>Date: </b></dt><dd>
19.02.2002 </dl><dl compact><dt><b>Returns: </b></dt><dd>
Register content</dl>Invoke this function to continue reading contents of a NE2000 register, usefull when reading a sequence of bytes from Ethernet controller.
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Use <a class="el" href="system_8h.html#a9">RECEIVE_NETWORK_B()</a> macro instead of directly invoking this function for easier driver change. 
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Definition at line <a class="el" href="ethernet_8c-source.html#l00226">226</a> of file <a class="el" href="ethernet_8c-source.html">ethernet.c</a>.
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References <a class="el" href="config_8h-source.html#l00091">DATABUS</a>, <a class="el" href="config_8h-source.html#l00102">IOCHRDY</a>, and <a class="el" href="config_8h-source.html#l00101">IOR</a>.
<p>
Referenced by <a class="el" href="ethernet_8c-source.html#l00482">NE2000ReceiveFrame()</a>.    </td>
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<a name="a43" doxytag="ethernet.h::NE2000CheckRxFrame"></a><p>
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          <td class="md" nowrap valign="top"> UINT8 NE2000CheckRxFrame </td>
          <td class="md" valign="top">(&nbsp;</td>
          <td class="md" nowrap valign="top">void&nbsp;</td>
          <td class="mdname1" valign="top" nowrap>&nbsp;          </td>
          <td class="md" valign="top">)&nbsp;</td>
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<p>
<dl compact><dt><b>Author: </b></dt><dd>
 <ul>
<li> Jari Lahti (<a href="mailto:[e-mail]">[e-mail]</a>) </ul>
</dl><dl compact><dt><b>Date: </b></dt><dd>
19.02.2002 </dl><dl compact><dt><b>Returns: </b></dt><dd>
 <ul>
<li> <a class="el" href="system_8h.html#a1">TRUE</a> - if there is a new packet waiting <li> <a class="el" href="system_8h.html#a2">FALSE</a> - if there is no new packet waiting</ul>
</dl>Invoke this function to check if there is a new Ethernet frame in the NIC's buffer waiting to be processed. 
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Definition at line <a class="el" href="ethernet_8c-source.html#l00274">274</a> of file <a class="el" href="ethernet_8c-source.html">ethernet.c</a>.
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References <a class="el" href="ethernet_8h-source.html#l00088">BOUNDARY</a>, <a class="el" href="ethernet_8h-source.html#l00085">CR</a>, <a class="el" href="ethernet_8h-source.html#l00113">CURR</a>, <a class="el" href="ethernet_8c-source.html#l00198">inNE2000()</a>, <a class="el" href="ethernet_8c-source.html#l00118">outNE2000()</a>, and <a class="el" href="ethernet_8h-source.html#l00100">RCR</a>.
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Referenced by <a class="el" href="ethernet_8c-source.html#l00482">NE2000ReceiveFrame()</a>.    </td>
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<a name="a44" doxytag="ethernet.h::NE2000DumpRxFrame"></a><p>
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          <td class="md" nowrap valign="top"> void NE2000DumpRxFrame </td>
          <td class="md" valign="top">(&nbsp;</td>
          <td class="md" nowrap valign="top">void&nbsp;</td>
          <td class="mdname1" valign="top" nowrap>&nbsp;          </td>
          <td class="md" valign="top">)&nbsp;</td>
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<p>
<dl compact><dt><b>Author: </b></dt><dd>
 <ul>
<li> Jari Lahti (<a href="mailto:[e-mail]">[e-mail]</a>) </ul>
</dl><dl compact><dt><b>Date: </b></dt><dd>
19.02.2002</dl>Discard the current received frame by advancing the receive circular buffer tail pointer. 
<p>
Definition at line <a class="el" href="ethernet_8c-source.html#l00304">304</a> of file <a class="el" href="ethernet_8c-source.html">ethernet.c</a>.
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References <a class="el" href="ethernet_8h-source.html#l00088">BOUNDARY</a>, <a class="el" href="ethernet_8h-source.html#l00085">CR</a>, <a class="el" href="ethernet_8c-source.html#l00079">NE2000NextPktPtr</a>, and <a class="el" href="ethernet_8c-source.html#l00118">outNE2000()</a>.    </td>
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<a name="a45" doxytag="ethernet.h::NE2000Init"></a><p>
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          <td class="md" nowrap valign="top"> void NE2000Init </td>
          <td class="md" valign="top">(&nbsp;</td>
          <td class="md" nowrap valign="top">UINT8 *&nbsp;</td>
          <td class="mdname1" valign="top" nowrap>&nbsp; <em>mac</em>          </td>
          <td class="md" valign="top">)&nbsp;</td>
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<dl compact><dt><b>Author: </b></dt><dd>
 <ul>
<li> Jari Lahti (<a href="mailto:[e-mail]">[e-mail]</a>) </ul>
</dl><dl compact><dt><b>Date: </b></dt><dd>
19.02.2002 </dl><dl compact><dt><b>Parameters: </b></dt><dd>
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<tr><td valign=top><em>mac</em>&nbsp;</td><td>
Pointer to NIC's hardware address</td></tr>
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</dl>Invoke this function at startup to properly initialize NIC's registers, HW address and operation. 
<p>
Definition at line <a class="el" href="ethernet_8c-source.html#l00327">327</a> of file <a class="el" href="ethernet_8c-source.html">ethernet.c</a>.
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References <a class="el" href="ethernet_8h-source.html#l00088">BOUNDARY</a>, <a class="el" href="ethernet_8h-source.html#l00085">CR</a>, <a class="el" href="ethernet_8h-source.html#l00113">CURR</a>, <a class="el" href="ethernet_8h-source.html#l00102">DCR</a>, <a class="el" href="ethernet_8h-source.html#l00095">ISR</a>, <a class="el" href="ethernet_8c-source.html#l00080">NE2000CurrPktPtr</a>, <a class="el" href="ethernet_8c-source.html#l00079">NE2000NextPktPtr</a>, <a class="el" href="ethernet_8c-source.html#l00118">outNE2000()</a>, <a class="el" href="ethernet_8h-source.html#l00107">PAR0</a>, <a class="el" href="ethernet_8h-source.html#l00086">PSTART</a>, <a class="el" href="ethernet_8h-source.html#l00087">PSTOP</a>, <a class="el" href="ethernet_8h-source.html#l00100">RCR</a>, <a class="el" href="config_8h-source.html#l00104">RESETPIN_NE2000</a>, <a class="el" href="ethernet_8h-source.html#l00124">RXBUF_END</a>, <a class="el" href="ethernet_8h-source.html#l00123">RXBUF_START</a>, and <a class="el" href="ethernet_8h-source.html#l00101">TCR</a>.    </td>
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<a name="a46" doxytag="ethernet.h::NE2000CheckOverFlow"></a><p>
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          <td class="md" nowrap valign="top"> void NE2000CheckOverFlow </td>
          <td class="md" valign="top">(&nbsp;</td>
          <td class="md" nowrap valign="top">void&nbsp;</td>
          <td class="mdname1" valign="top" nowrap>&nbsp;          </td>
          <td class="md" valign="top">)&nbsp;</td>
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<dl compact><dt><b>Author: </b></dt><dd>
 <ul>
<li> Jari Lahti (<a href="mailto:[e-mail]">[e-mail]</a>) </ul>
</dl><dl compact><dt><b>Date: </b></dt><dd>
19.02.2002</dl>This function checks if receive-buffer overflow has happened. If it did, NIC is reinitialized to ensure proper operation.
<p>
Invoke this function periodically to ensure proper operation under heavy load. 
<p>
Definition at line <a class="el" href="ethernet_8c-source.html#l00393">393</a> of file <a class="el" href="ethernet_8c-source.html">ethernet.c</a>.
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References <a class="el" href="ethernet_8h-source.html#l00088">BOUNDARY</a>, <a class="el" href="ethernet_8h-source.html#l00085">CR</a>, <a class="el" href="ethernet_8h-source.html#l00113">CURR</a>, <a class="el" href="ethernet_8c-source.html#l00198">inNE2000()</a>, <a class="el" href="ethernet_8h-source.html#l00095">ISR</a>, <a class="el" href="ethernet_8c-source.html#l00080">NE2000CurrPktPtr</a>, <a class="el" href="ethernet_8c-source.html#l00079">NE2000NextPktPtr</a>, <a class="el" href="ethernet_8c-source.html#l00118">outNE2000()</a>, <a class="el" href="ethernet_8h-source.html#l00098">RBCR0</a>, and <a class="el" href="ethernet_8h-source.html#l00101">TCR</a>.    </td>
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<a name="a47" doxytag="ethernet.h::NE2000ReceiveFrame"></a><p>
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          <td class="md" nowrap valign="top"> UINT8 NE2000ReceiveFrame </td>
          <td class="md" valign="top">(&nbsp;</td>
          <td class="md" nowrap valign="top">void&nbsp;</td>
          <td class="mdname1" valign="top" nowrap>&nbsp;          </td>
          <td class="md" valign="top">)&nbsp;</td>
          <td class="md" nowrap></td>
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<dl compact><dt><b>Author: </b></dt><dd>
 <ul>
<li> Jari Lahti (<a href="mailto:[e-mail]">[e-mail]</a>) </ul>
</dl><dl compact><dt><b>Date: </b></dt><dd>
19.02.2002 </dl><dl compact><dt><b>Returns: </b></dt><dd>
 <ul>
<li> <a class="el" href="system_8h.html#a1">TRUE</a> - new frame exists, variables initialized so further processing may start <li> <a class="el" href="system_8h.html#a2">FALSE</a> - no new Ethernet frame detected</ul>
</dl>Invoke this function periodically (better not directly but by invoking <a class="el" href="group__periodic__functions.html#a7">NETWORK_CHECK_IF_RECEIVED()</a> macro) to test for newly-arrived Ethernet packets.
<p>