cpconst_h.html

Controller Area Network Programming Interface Environment Ver0.8。 CanPie版本0.8. CAN总线通讯编程接口源代码。

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Mask for buffer field in v_MsgFlags     </td>
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<a name="a10" doxytag="cpconst.h::CP_MASK_DLC_BITS"></a><p>
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#define CP_MASK_DLC_BITS&nbsp;&nbsp;&nbsp;0x0000000F
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Mask for DLC field in v_MsgFlags     </td>
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<a name="a8" doxytag="cpconst.h::CP_MASK_EXT_BIT"></a><p>
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#define CP_MASK_EXT_BIT&nbsp;&nbsp;&nbsp;0x80000000
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Set the EXT bit in the v_MsgId field     </td>
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<a name="a7" doxytag="cpconst.h::CP_MASK_EXT_FRAME"></a><p>
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#define CP_MASK_EXT_FRAME&nbsp;&nbsp;&nbsp;0x1FFFFFFF
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Mask for extended frame (29 bits)     </td>
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<a name="a9" doxytag="cpconst.h::CP_MASK_RTR_BIT"></a><p>
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#define CP_MASK_RTR_BIT&nbsp;&nbsp;&nbsp;0x40000000
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Set the RTR bit in the v_MsgId field     </td>
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<a name="a6" doxytag="cpconst.h::CP_MASK_STD_FRAME"></a><p>
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#define CP_MASK_STD_FRAME&nbsp;&nbsp;&nbsp;0x000007FF
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Mask for standard frame (11 bits)     </td>
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<hr><h2>Enumeration Type Documentation</h2>
<a name="a113" doxytag="cpconst.h::CP_BAUD"></a><p>
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enum CP_BAUD
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Fixed baudrates.
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 The values of the enumeration CP_BAUD are used as parameter for the function <a class="el" href="cpuser_h.html#a2">CpUserBaudrate</a>(). <dl compact><dt>
<b>Enumeration values:</b><dd>
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<tr><td valign=top><a name="a113a58" doxytag="CP_BAUD_10K"></a><em>CP_BAUD_10K</em>
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Baudrate 10 kBit/sec </td></tr>
<tr><td valign=top><a name="a113a59" doxytag="CP_BAUD_20K"></a><em>CP_BAUD_20K</em>
&nbsp;</td><td>
Baudrate 20 kBit/sec </td></tr>
<tr><td valign=top><a name="a113a60" doxytag="CP_BAUD_50K"></a><em>CP_BAUD_50K</em>
&nbsp;</td><td>
Baudrate 50 kBit/sec </td></tr>
<tr><td valign=top><a name="a113a61" doxytag="CP_BAUD_100K"></a><em>CP_BAUD_100K</em>
&nbsp;</td><td>
Baudrate 100 kBit/sec </td></tr>
<tr><td valign=top><a name="a113a62" doxytag="CP_BAUD_125K"></a><em>CP_BAUD_125K</em>
&nbsp;</td><td>
Baudrate 125 kBit/sec </td></tr>
<tr><td valign=top><a name="a113a63" doxytag="CP_BAUD_250K"></a><em>CP_BAUD_250K</em>
&nbsp;</td><td>
Baudrate 250 kBit/sec </td></tr>
<tr><td valign=top><a name="a113a64" doxytag="CP_BAUD_500K"></a><em>CP_BAUD_500K</em>
&nbsp;</td><td>
Baudrate 500 kBit/sec </td></tr>
<tr><td valign=top><a name="a113a65" doxytag="CP_BAUD_800K"></a><em>CP_BAUD_800K</em>
&nbsp;</td><td>
Baudrate 800 kBit/sec </td></tr>
<tr><td valign=top><a name="a113a66" doxytag="CP_BAUD_1M"></a><em>CP_BAUD_1M</em>
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Baudrate 1 MBit/sec </td></tr>
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<a name="a117" doxytag="cpconst.h::CP_BUFFER"></a><p>
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enum CP_BUFFER
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Buffer definition.
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 The enumeration CP_BUFFER is used to define a message buffer inside a FullCAN controller. The index for the first buffer starts at 1.     </td>
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<a name="a118" doxytag="cpconst.h::CP_BUFFER_DIR"></a><p>
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enum CP_BUFFER_DIR
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Buffer direction definition.
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<b>Enumeration values:</b><dd>
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<tr><td valign=top><a name="a118a107" doxytag="CP_BUFFER_DIR_RX"></a><em>CP_BUFFER_DIR_RX</em>
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Buffer direction is receive </td></tr>
<tr><td valign=top><a name="a118a108" doxytag="CP_BUFFER_DIR_TX"></a><em>CP_BUFFER_DIR_TX</em>
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Buffer direction is transmit </td></tr>
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<a name="a112" doxytag="cpconst.h::CP_CALLBACK"></a><p>
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enum CP_CALLBACK
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Callback Return Codes.
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 These return values are used by the callback functions that can be installed by the function <a class="el" href="cpuser_h.html#a6">CpUserIntFunctions</a>(). 
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 <b>Example</b> <div class="fragment"><pre> _U08 MyCallback(<a class="code" href="struct_CpStruct_CAN.html">CpStruct_CAN</a> * pCanMsgV)<font class="keyword"></font>
<font class="keyword"> </font>{
    <font class="comment">// Do something with IDs &lt; 100</font>
    <font class="keywordflow">if</font>( <a class="code" href="cpmacro_h.html#a4">CpMacGetStdId</a>(pCanMsgV) &lt; 100)
    {
       <font class="comment">//.....</font>
       <font class="keywordflow">return</font>(CP_CALLBACK_PROCESSED)
    }

    <font class="comment">// Put all other messages into the FIFO</font>
    <font class="keywordflow">return</font> (CP_CALLBACK_PUSH_FIFO);
 }</pre></div> <br>
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<b>Enumeration values:</b><dd>
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<tr><td valign=top><a name="a112a56" doxytag="CP_CALLBACK_PROCESSED"></a><em>CP_CALLBACK_PROCESSED</em>
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Message was processed by callback and is not inserted in the FIFO </td></tr>
<tr><td valign=top><a name="a112a57" doxytag="CP_CALLBACK_PUSH_FIFO"></a><em>CP_CALLBACK_PUSH_FIFO</em>
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Message was processed by callback and is inserted in the FIFO </td></tr>
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<a name="a110" doxytag="cpconst.h::CP_CC"></a><p>
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enum CP_CC
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