speed__cntr_8h.html

使用AVR单片机控制步进电机的软件代码

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Definition at line <a class="el" href="speed__cntr_8h-source.html#l00082">82</a> of file <a class="el" href="speed__cntr_8h-source.html">speed_cntr.h</a>.
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Referenced by <a class="el" href="speed__cntr_8c-source.html#l00046">speed_cntr_Move()</a>, and <a class="el" href="speed__cntr_8c-source.html#l00164">speed_cntr_TIMER1_COMPA_interrupt()</a>.    </td>
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<a class="anchor" name="a1" doxytag="speed_cntr.h::FSPR" ></a><p>
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          <td class="md" nowrap valign="top"> #define FSPR&nbsp;&nbsp;&nbsp;200          </td>
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Number of (full)steps per round on stepper motor in use. 
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Definition at line <a class="el" href="speed__cntr_8h-source.html#l00056">56</a> of file <a class="el" href="speed__cntr_8h-source.html">speed_cntr.h</a>.    </td>
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<a class="anchor" name="a10" doxytag="speed_cntr.h::RUN" ></a><p>
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          <td class="md" nowrap valign="top"> #define RUN&nbsp;&nbsp;&nbsp;3          </td>
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Definition at line <a class="el" href="speed__cntr_8h-source.html#l00083">83</a> of file <a class="el" href="speed__cntr_8h-source.html">speed_cntr.h</a>.
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Referenced by <a class="el" href="speed__cntr_8c-source.html#l00046">speed_cntr_Move()</a>, and <a class="el" href="speed__cntr_8c-source.html#l00164">speed_cntr_TIMER1_COMPA_interrupt()</a>.    </td>
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<a class="anchor" name="a7" doxytag="speed_cntr.h::STOP" ></a><p>
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          <td class="md" nowrap valign="top"> #define STOP&nbsp;&nbsp;&nbsp;0          </td>
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Definition at line <a class="el" href="speed__cntr_8h-source.html#l00080">80</a> of file <a class="el" href="speed__cntr_8h-source.html">speed_cntr.h</a>.
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Referenced by <a class="el" href="speed__cntr_8c-source.html#l00143">speed_cntr_Init_Timer1()</a>, and <a class="el" href="speed__cntr_8c-source.html#l00164">speed_cntr_TIMER1_COMPA_interrupt()</a>.    </td>
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<a class="anchor" name="a0" doxytag="speed_cntr.h::T1_FREQ" ></a><p>
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          <td class="md" nowrap valign="top"> #define T1_FREQ&nbsp;&nbsp;&nbsp;460750          </td>
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Frequency of timer1 in [Hz].<p>
Modify this according to frequency used. Because of the prescaler setting, the timer1 frequency is the clock frequency divided by 8. 
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Definition at line <a class="el" href="speed__cntr_8h-source.html#l00053">53</a> of file <a class="el" href="speed__cntr_8h-source.html">speed_cntr.h</a>.    </td>
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<a class="anchor" name="a4" doxytag="speed_cntr.h::T1_FREQ_148" ></a><p>
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          <td class="md" nowrap valign="top"> #define T1_FREQ_148&nbsp;&nbsp;&nbsp;((int)((T1_FREQ*0.676)/100))          </td>
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Definition at line <a class="el" href="speed__cntr_8h-source.html#l00075">75</a> of file <a class="el" href="speed__cntr_8h-source.html">speed_cntr.h</a>.
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Referenced by <a class="el" href="speed__cntr_8c-source.html#l00046">speed_cntr_Move()</a>.    </td>
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<hr><h2>Function Documentation</h2>
<a class="anchor" name="a15" doxytag="speed_cntr.h::min" ></a><p>
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          <td class="md" nowrap valign="top"> unsigned int min           </td>
          <td class="md" valign="top">(&nbsp;</td>
          <td class="md" nowrap valign="top">unsigned int&nbsp;</td>
          <td class="mdname" nowrap> <em>x</em>, </td>
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          <td class="md" nowrap align="right"></td>
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          <td class="md" nowrap>unsigned int&nbsp;</td>
          <td class="mdname" nowrap> <em>y</em></td>
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          <td></td>
          <td class="md">)&nbsp;</td>
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Find minimum value. 
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Returns the smallest value.<p>
<dl compact><dt><b>Returns:</b></dt><dd>Min(x,y). </dd></dl>

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Definition at line <a class="el" href="speed__cntr_8c-source.html#l00281">281</a> of file <a class="el" href="speed__cntr_8c-source.html">speed_cntr.c</a>.
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<pre class="fragment"><div>00282 {
00283   <span class="keywordflow">if</span>(x &lt; y){
00284     <span class="keywordflow">return</span> x;
00285   }
00286   <span class="keywordflow">else</span>{
00287     <span class="keywordflow">return</span> y;
00288   }
00289 }
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<a class="anchor" name="a13" doxytag="speed_cntr.h::speed_cntr_Init_Timer1" ></a><p>
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          <td class="md" nowrap valign="top"> void speed_cntr_Init_Timer1           </td>
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          <td class="md" nowrap valign="top">void&nbsp;</td>
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