lcd__driver_8c.html

SMS傳送Sourcode,compiler with C,AT command

00289 <span class="comment">            gAutoPressJoystick = TRUE;</span>
00290 <span class="comment">            auto_joystick_count = 15;</span>
00291 <span class="comment">        }</span>
00292 <span class="comment">    }</span>
00293 <span class="comment">    else</span>
00294 <span class="comment">        auto_joystick_count = 0;</span>
00295 <span class="comment">      */</span>
00296 <span class="comment">/**************** Auto press joystick for the main.c, END ***************/</span>
00297 
00298     LCD_timer--;                    <span class="comment">// Decreased every LCD frame</span>
00299 
00300     <span class="keywordflow">if</span> (<a class="code" href="LCD__driver_8c.html#a6">gScrollMode</a>)
00301     {
00302         <span class="comment">// If we are in scroll mode, and the timer has expired,</span>
00303         <span class="comment">// we will update the LCD</span>
00304         <span class="keywordflow">if</span> (LCD_timer == 0)
00305         {
00306             <span class="keywordflow">if</span> (<a class="code" href="LCD__driver_8c.html#a7">gLCD_Start_Scroll_Timer</a> == 0)
00307             {
00308                 <a class="code" href="LCD__driver_8c.html#a2">gLCD_Update_Required</a> = <a class="code" href="LCD__functions_8c.html#a1">TRUE</a>;
00309             }
00310             <span class="keywordflow">else</span>
00311                 <a class="code" href="LCD__driver_8c.html#a7">gLCD_Start_Scroll_Timer</a>--;
00312         }
00313     }
00314     <span class="keywordflow">else</span>
00315     {   <span class="comment">// if not scrolling,</span>
00316         <span class="comment">// disble LCD start of frame interrupt</span>
00317 <span class="comment">//        cbi(LCDCRA, LCDIE);   //DEBUG</span>
00318         <a class="code" href="LCD__driver_8c.html#a5">gScroll</a> = 0;
00319     }
00320 
00321 
00322     EOL = <a class="code" href="LCD__functions_8c.html#a0">FALSE</a>;
00323     <span class="keywordflow">if</span> (<a class="code" href="LCD__driver_8c.html#a2">gLCD_Update_Required</a> == <a class="code" href="LCD__functions_8c.html#a1">TRUE</a>)
00324     {
00325         <span class="comment">// Duty cycle of flashing characters</span>
00326         <span class="keywordflow">if</span> (gFlashTimer &lt; (LCD_FLASH_SEED &gt;&gt; 1))
00327             flash = 0;
00328         <span class="keywordflow">else</span>
00329             flash = 1;
00330 
00331         <span class="comment">// Repeat for the six LCD characters</span>
00332         <span class="keywordflow">for</span> (i = 0; i &lt; 6; i++)
00333         {
00334             <span class="keywordflow">if</span> ((<a class="code" href="LCD__driver_8c.html#a5">gScroll</a>+i) &gt;= 0 &amp;&amp; (!EOL))
00335             {
00336                 <span class="comment">// We have some visible characters</span>
00337                 c = <a class="code" href="LCD__driver_8c.html#a4">gTextBuffer</a>[i + <a class="code" href="LCD__driver_8c.html#a5">gScroll</a>];
00338                 c_flash = c &amp; 0x80 ? 1 : 0;
00339                 c = c &amp; 0x7F;
00340 
00341                 <span class="keywordflow">if</span> (c == <span class="charliteral">'\0'</span>)
00342                     EOL = i+1;      <span class="comment">// End of character data</span>
00343             }
00344             <span class="keywordflow">else</span>
00345                 c = <span class="charliteral">' '</span>;
00346 
00347             <span class="comment">// Check if this character is flashing</span>
00348 
00349             <span class="keywordflow">if</span> (c_flash &amp;&amp; flash)
00350                 <a class="code" href="LCD__driver_8h.html#a19">LCD_WriteDigit</a>(<span class="charliteral">' '</span>, i);
00351             <span class="keywordflow">else</span>
00352                 <a class="code" href="LCD__driver_8h.html#a19">LCD_WriteDigit</a>(c, i);
00353         }
00354 
00355         <span class="comment">// Copy the segment buffer to the real segments</span>
00356         <span class="keywordflow">for</span> (i = 0; i &lt; <a class="code" href="LCD__driver_8h.html#a3">LCD_REGISTER_COUNT</a>; i++)
00357             *(<a class="code" href="LCD__driver_8h.html#a9">pLCDREG</a> + i) = *(<a class="code" href="LCD__driver_8c.html#a3">LCD_Data</a>+i);
00358 
00359         <span class="comment">// Handle colon</span>
00360         <span class="keywordflow">if</span> (<a class="code" href="LCD__driver_8c.html#a9">gColon</a>)
00361             *(<a class="code" href="LCD__driver_8h.html#a9">pLCDREG</a> + 8) = 0x01;
00362         <span class="keywordflow">else</span>
00363             *(<a class="code" href="LCD__driver_8h.html#a9">pLCDREG</a> + 8) = 0x00;
00364 
00365         <span class="comment">// If the text scrolled off the display,</span>
00366         <span class="comment">// we have to start over again.</span>
00367         <span class="keywordflow">if</span> (EOL == 1)
00368             <a class="code" href="LCD__driver_8c.html#a5">gScroll</a> = -6;
00369         <span class="keywordflow">else</span>
00370             <a class="code" href="LCD__driver_8c.html#a5">gScroll</a>++;
00371 
00372         <span class="comment">// No need to update anymore</span>
00373         <a class="code" href="LCD__driver_8c.html#a2">gLCD_Update_Required</a> = <a class="code" href="LCD__functions_8c.html#a0">FALSE</a>;
00374     }
00375 
00376 
00377     <span class="comment">// LCD_timer is used when scrolling text</span>
00378     <span class="keywordflow">if</span> (LCD_timer == 0)
00379     {
00380 <span class="comment">/*        if ((gScroll &lt;= 0) || EOL)</span>
00381 <span class="comment">            LCD_timer = LCD_TIMER_SEED/2;</span>
00382 <span class="comment">        else*/</span>
00383             LCD_timer = <a class="code" href="LCD__driver_8h.html#a1">LCD_TIMER_SEED</a>;
00384     }
00385 
00386     <span class="comment">// gFlashTimer is used when flashing characters</span>
00387     <span class="keywordflow">if</span> (<a class="code" href="LCD__driver_8c.html#a8">gFlashTimer</a> == <a class="code" href="LCD__driver_8h.html#a2">LCD_FLASH_SEED</a>)
00388         <a class="code" href="LCD__driver_8c.html#a8">gFlashTimer</a>= 0;
00389     <span class="keywordflow">else</span>
00390         <a class="code" href="LCD__driver_8c.html#a8">gFlashTimer</a>++;
00391 
00392 }
</div></pre>
<p>
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<a class="anchor" name="a12" doxytag="LCD_driver.c::LCD_WriteDigit" ></a><p>
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          <td class="md" nowrap valign="top"> void LCD_WriteDigit           </td>
          <td class="md" valign="top">(&nbsp;</td>
          <td class="md" nowrap valign="top">char&nbsp;</td>
          <td class="mdname" nowrap> <em>c</em>, </td>
        </tr>
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          <td class="md" nowrap align="right"></td>
          <td></td>
          <td class="md" nowrap>char&nbsp;</td>
          <td class="mdname" nowrap> <em>digit</em></td>
        </tr>
        <tr>
          <td></td>
          <td class="md">)&nbsp;</td>
          <td class="md" colspan="2"></td>
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<p>

<p>
Definition at line <a class="el" href="LCD__driver_8c-source.html#l00174">174</a> of file <a class="el" href="LCD__driver_8c-source.html">LCD_driver.c</a>.
<p>
References <a class="el" href="LCD__driver_8c-source.html#l00063">LCD_character_table</a>, <a class="el" href="LCD__driver_8c-source.html#l00038">LCD_Data</a>, and <a class="el" href="AVRGSM__zip_8c-source.html#l00027">mask</a>.
<p>
Referenced by <a class="el" href="LCD__driver_8c-source.html#l00255">LCD_SOF_interrupt()</a>.
<p>
<pre class="fragment"><div>00175 {
00176 
00177     <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> seg = 0x0000;                  <span class="comment">// Holds the segment pattern</span>
00178     <span class="keywordtype">char</span> <a class="code" href="AVRGSM__zip_8c.html#a1">mask</a>, nibble;
00179     <span class="keywordtype">char</span> *ptr;
00180     <span class="keywordtype">char</span> i;
00181 
00182 
00183     <span class="keywordflow">if</span> (digit &gt; 5)                              <span class="comment">// Skip if digit is illegal</span>
00184         <span class="keywordflow">return</span>;
00185 
00186     <span class="comment">//Lookup character table for segmet data</span>
00187     <span class="keywordflow">if</span> ((c &gt;= <span class="charliteral">'*'</span>) &amp;&amp; (c &lt;= <span class="charliteral">'z'</span>))
00188     {
00189         <span class="comment">// c is a letter</span>
00190         <span class="keywordflow">if</span> (c &gt;= <span class="charliteral">'a'</span>)                           <span class="comment">// Convert to upper case</span>
00191             c &amp;= ~0x20;                         <span class="comment">// if necessarry</span>
00192 
00193         c -= <span class="charliteral">'*'</span>;
00194 
00195         seg = <a class="code" href="LCD__driver_8c.html#a10">LCD_character_table</a>[c];
00196     }
00197 
00198     <span class="comment">// Adjust mask according to LCD segment mapping</span>
00199     <span class="keywordflow">if</span> (digit &amp; 0x01)
00200         <a class="code" href="AVRGSM__zip_8c.html#a1">mask</a> = 0x0F;                <span class="comment">// Digit 1, 3, 5</span>
00201     <span class="keywordflow">else</span>
00202         <a class="code" href="AVRGSM__zip_8c.html#a1">mask</a> = 0xF0;                <span class="comment">// Digit 0, 2, 4</span>
00203 
00204     ptr = <a class="code" href="LCD__driver_8c.html#a3">LCD_Data</a> + (digit &gt;&gt; 1);  <span class="comment">// digit = {0,0,1,1,2,2}</span>
00205 
00206     <span class="keywordflow">for</span> (i = 0; i &lt; 4; i++)
00207     {
00208         nibble = seg &amp; 0x000F;
00209         seg &gt;&gt;= 4;
00210         <span class="keywordflow">if</span> (digit &amp; 0x01)
00211             nibble &lt;&lt;= 4;
00212         *ptr = (*ptr &amp; <a class="code" href="AVRGSM__zip_8c.html#a1">mask</a>) | nibble;
00213         ptr += 5;
00214     }
00215 }
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<hr><h2>Variable Documentation</h2>
<a class="anchor" name="a1" doxytag="LCD_driver.c::gAutoPressJoystick" ></a><p>
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          <td class="md" nowrap valign="top"> BOOL <a class="el" href="LCD__driver_8c.html#a1">gAutoPressJoystick</a>          </td>
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<p>

<p>
Definition at line <a class="el" href="LCD__driver_8c-source.html#l00032">32</a> of file <a class="el" href="LCD__driver_8c-source.html">LCD_driver.c</a>.    </td>
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<a class="anchor" name="a0" doxytag="LCD_driver.c::gButtonTimeout" ></a><p>
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          <td class="md" nowrap valign="top"> unsigned char <a class="el" href="LCD__driver_8c.html#a0">gButtonTimeout</a>          </td>
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<p>
Definition at line <a class="el" href="LCD__driver_8c-source.html#l00030">30</a> of file <a class="el" href="LCD__driver_8c-source.html">LCD_driver.c</a>.
<p>
Referenced by <a class="el" href="LCD__driver_8c-source.html#l00255">LCD_SOF_interrupt()</a>, and <a class="el" href="button_8c-source.html#l00092">PinChangeInterrupt()</a>.    </td>
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