lcd__functions_8c-source.html

SMS傳送Sourcode,compiler with C,AT command

00146 <span class="comment">*       Parameters :    None</span>
00147 <span class="comment">*</span>
00148 <span class="comment">*       Purpose :               Clear the LCD</span>
00149 <span class="comment">*</span>
00150 <span class="comment">*****************************************************************************/</span>
<a name="l00151"></a><a class="code" href="Lcd__functions_8h.html#a4">00151</a> <span class="keywordtype">void</span> <a class="code" href="LCD__functions_8c.html#a7">LCD_Clear</a>(<span class="keywordtype">void</span>)
00152 {
00153     <span class="keywordtype">char</span> i;
00154 
00155     <span class="keywordflow">for</span> (i=0; i&lt;<a class="code" href="LCD__driver_8h.html#a4">TEXTBUFFER_SIZE</a>; i++)
00156         <a class="code" href="LCD__driver_8c.html#a4">gTextBuffer</a>[i] = <span class="charliteral">' '</span>;
00157 }
00158 
00159 
00160 <span class="comment">/****************************************************************************</span>
00161 <span class="comment">*</span>
00162 <span class="comment">*       Function name : LCD_Colon</span>
00163 <span class="comment">*</span>
00164 <span class="comment">*       Returns :               None</span>
00165 <span class="comment">*</span>
00166 <span class="comment">*       Parameters :    show: Enables the colon if TRUE, disable if FALSE</span>
00167 <span class="comment">*</span>
00168 <span class="comment">*       Purpose :               Enable/disable colons on the LCD</span>
00169 <span class="comment">*</span>
00170 <span class="comment">*****************************************************************************/</span>
<a name="l00171"></a><a class="code" href="Lcd__functions_8h.html#a5">00171</a> <span class="keywordtype">void</span> <a class="code" href="Lcd__functions_8h.html#a5">LCD_Colon</a>(<span class="keywordtype">char</span> show)
00172 {
00173     <a class="code" href="LCD__driver_8c.html#a9">gColon</a> = show;
00174 }
00175 
00176 
00177 <span class="comment">/****************************************************************************</span>
00178 <span class="comment">*</span>
00179 <span class="comment">*       Function name : LCD_UpdateRequired</span>
00180 <span class="comment">*</span>
00181 <span class="comment">*       Returns :               None</span>
00182 <span class="comment">*</span>
00183 <span class="comment">*       Parameters :    update: TRUE/FALSE</span>
00184 <span class="comment">*                   scrollmode: not in use</span>
00185 <span class="comment">*</span>
00186 <span class="comment">*       Purpose :               Tells the LCD that there is new data to be presented</span>
00187 <span class="comment">*</span>
00188 <span class="comment">*****************************************************************************/</span>
<a name="l00189"></a><a class="code" href="Lcd__functions_8h.html#a2">00189</a> <span class="keywordtype">void</span> <a class="code" href="Lcd__functions_8h.html#a2">LCD_UpdateRequired</a>(<span class="keywordtype">char</span> update, <span class="keywordtype">char</span> scrollmode)
00190 {
00191 
00192     <span class="keywordflow">while</span> (<a class="code" href="LCD__driver_8c.html#a2">gLCD_Update_Required</a>);
00193 
00194     <a class="code" href="LCD__driver_8c.html#a6">gScrollMode</a> = scrollmode;
00195     <a class="code" href="LCD__driver_8c.html#a5">gScroll</a> = 0;
00196 
00197     <a class="code" href="LCD__driver_8c.html#a2">gLCD_Update_Required</a> = update;
00198 }
00199 
00200 
00201 <span class="comment">/****************************************************************************</span>
00202 <span class="comment">*</span>
00203 <span class="comment">*       Function name : LCD_FlashReset</span>
00204 <span class="comment">*</span>
00205 <span class="comment">*       Returns :               None</span>
00206 <span class="comment">*</span>
00207 <span class="comment">*       Parameters :    None</span>
00208 <span class="comment">*</span>
00209 <span class="comment">*       Purpose :               This function resets the blinking cycle of a flashing digit</span>
00210 <span class="comment">*</span>
00211 <span class="comment">*****************************************************************************/</span>
<a name="l00212"></a><a class="code" href="Lcd__functions_8h.html#a6">00212</a> <span class="keywordtype">void</span> <a class="code" href="LCD__functions_8c.html#a10">LCD_FlashReset</a>(<span class="keywordtype">void</span>)
00213 {
00214     <a class="code" href="LCD__driver_8c.html#a8">gFlashTimer</a> = 0;
00215 }
00216 
00217 
00218 
00219 <span class="comment">/****************************************************************************</span>
00220 <span class="comment">*</span>
00221 <span class="comment">*       Function name : SetContrast</span>
00222 <span class="comment">*</span>
00223 <span class="comment">*   Returns :       char ST_state (to the state-machine)</span>
00224 <span class="comment">*</span>
00225 <span class="comment">*   Parameters :    char input (from joystick)</span>
00226 <span class="comment">*</span>
00227 <span class="comment">*       Purpose :               Adjust the LCD contrast</span>
00228 <span class="comment">*</span>
00229 <span class="comment">*****************************************************************************/</span>
<a name="l00230"></a><a class="code" href="Lcd__functions_8h.html#a7">00230</a> <span class="keywordtype">char</span> <a class="code" href="Lcd__functions_8h.html#a7">SetContrast</a>(<span class="keywordtype">char</span> input)
00231 {
00232     <span class="keyword">static</span> <span class="keywordtype">char</span> enter = 1;
00233     <span class="keywordtype">char</span> CH, CL;
00234 
00235     <span class="keywordflow">if</span> (enter)
00236     {
00237         <a class="code" href="LCD__functions_8c.html#a7">LCD_Clear</a>();
00238         enter = 0;
00239     }
00240 
00241     CH = <a class="code" href="BCD_8h.html#a0">CHAR2BCD2</a>(<a class="code" href="LCD__functions_8c.html#a2">CONTRAST</a>);
00242     CL = (CH &amp; 0x0F) + <span class="charliteral">'0'</span>;
00243     CH = (CH &gt;&gt; 4) + <span class="charliteral">'0'</span>;
00244 
00245     <a class="code" href="Lcd__functions_8h.html#a3">LCD_putc</a>(0, <span class="charliteral">'C'</span>);
00246     <a class="code" href="Lcd__functions_8h.html#a3">LCD_putc</a>(1, <span class="charliteral">'T'</span>);
00247     <a class="code" href="Lcd__functions_8h.html#a3">LCD_putc</a>(2, <span class="charliteral">'R'</span>);
00248     <a class="code" href="Lcd__functions_8h.html#a3">LCD_putc</a>(3, <span class="charliteral">' '</span>);
00249     <a class="code" href="Lcd__functions_8h.html#a3">LCD_putc</a>(4, CH);
00250     <a class="code" href="Lcd__functions_8h.html#a3">LCD_putc</a>(5, CL);
00251 
00252     <a class="code" href="Lcd__functions_8h.html#a2">LCD_UpdateRequired</a>(<a class="code" href="LCD__functions_8c.html#a1">TRUE</a>, 0);
00253 
00254     <span class="keywordflow">if</span> (<a class="code" href="main_8h.html#a27">input</a> == <a class="code" href="main_8h.html#a27a21">KEY_PLUS</a>)
00255         <a class="code" href="LCD__functions_8c.html#a2">CONTRAST</a>++;
00256     <span class="keywordflow">else</span> <span class="keywordflow">if</span> (<a class="code" href="main_8h.html#a27">input</a> == <a class="code" href="main_8h.html#a27a22">KEY_MINUS</a>)
00257         <a class="code" href="LCD__functions_8c.html#a2">CONTRAST</a>--;
00258 
00259     <span class="keywordflow">if</span> (<a class="code" href="LCD__functions_8c.html#a2">CONTRAST</a> == 255)
00260         <a class="code" href="LCD__functions_8c.html#a2">CONTRAST</a> = 0;
00261     <span class="keywordflow">if</span> (<a class="code" href="LCD__functions_8c.html#a2">CONTRAST</a> &gt; 15)
00262         <a class="code" href="LCD__functions_8c.html#a2">CONTRAST</a> = 15;
00263 
00264     <a class="code" href="LCD__driver_8h.html#a10">LCD_CONTRAST_LEVEL</a>(<a class="code" href="LCD__functions_8c.html#a2">CONTRAST</a>);
00265 
00266 
00267 
00268 
00269     <span class="keywordflow">return</span> 1;
00270 }
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