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<div class="title">display/display.c</div> </div>
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<div class="fragment"><div class="line"><span class="comment">/******************************************************************************</span></div><div class="line"><span class="comment">* examples/display.c *</span></div><div class="line"><span class="comment">* ================== *</span></div><div class="line"><span class="comment">* *</span></div><div class="line"><span class="comment">* Version: 1.0.0 *</span></div><div class="line"><span class="comment">* Date : 27.09.15 *</span></div><div class="line"><span class="comment">* Author : Peter Weissig *</span></div><div class="line"><span class="comment">* *</span></div><div class="line"><span class="comment">* For help or bug report please visit: *</span></div><div class="line"><span class="comment">* https://github.com/RoboAG/avr_robolib *</span></div><div class="line"><span class="comment">******************************************************************************/</span></div><div class="line"></div><div class="line"><span class="comment">// include from gcc</span></div><div class="line"><span class="preprocessor">#include <inttypes.h></span></div><div class="line"></div><div class="line"><span class="comment">// include all necessary headers from robolib</span></div><div class="line"><span class="preprocessor">#include "display.h"</span></div><div class="line"></div><div class="line"><span class="keywordtype">int</span> main (<span class="keywordtype">void</span>) {</div><div class="line"> <span class="comment">// initialize robolib</span></div><div class="line"> <a name="a0"></a><a class="code" href="robolib_8dox_a73ba7be7f0f88aacfbaa7d1129377e86.html#a73ba7be7f0f88aacfbaa7d1129377e86">robolib_init</a>();</div><div class="line"></div><div class="line"> <span class="comment">// draw a smiley on the Display</span></div><div class="line"> display_clear();</div><div class="line"> string_from_const(display_print, <span class="stringliteral">"Display :-)"</span>);</div><div class="line"></div><div class="line"> <span class="comment">// variable fo storing last position of "*"</span></div><div class="line"> uint8_t position = 0;</div><div class="line"></div><div class="line"> <span class="comment">// endless loop</span></div><div class="line"> <span class="keywordflow">while</span> (1) {</div><div class="line"> <span class="comment">// change the smiley</span></div><div class="line"> display_gotoxy(10,0);</div><div class="line"> display_print(<span class="charliteral">'D'</span>);</div><div class="line"></div><div class="line"> <span class="comment">// wait for 0.25 seconds</span></div><div class="line"> delay_ms(500);</div><div class="line"></div><div class="line"> <span class="comment">// change the smiley</span></div><div class="line"> display_gotoxy(10,0);</div><div class="line"> display_print(<span class="charliteral">'|'</span>);</div><div class="line"></div><div class="line"> <span class="comment">// wait for 0.25 seconds</span></div><div class="line"> delay_ms(500);</div><div class="line"></div><div class="line"></div><div class="line"> <span class="comment">// clear old "*"</span></div><div class="line"> display_gotoxy(position,1);</div><div class="line"> display_print(<span class="charliteral">' '</span>);</div><div class="line"></div><div class="line"> <span class="comment">// calculate new position</span></div><div class="line"> ++position;</div><div class="line"> <span class="keywordflow">if</span> (position > 15) {position = 0;}</div><div class="line"></div><div class="line"> <span class="comment">// draw new "*"</span></div><div class="line"> display_gotoxy(position,1);</div><div class="line"> display_print(<span class="charliteral">'*'</span>);</div><div class="line"> }</div><div class="line"></div><div class="line"> <span class="keywordflow">return</span> (0);</div><div class="line">}</div><div class="line"></div><div class="line"></div><div class="line"><span class="comment">/******************************************************************************</span></div><div class="line"><span class="comment">* *</span></div><div class="line"><span class="comment">* How to compile this example *</span></div><div class="line"><span class="comment">* =========================== *</span></div><div class="line"><span class="comment">* *</span></div><div class="line"><span class="comment">* required files *</span></div><div class="line"><span class="comment">* + display.c (source code, this file) *</span></div><div class="line"><span class="comment">* + display_header.ini (headerfile as '.ini') *</span></div><div class="line"><span class="comment">* + Makefile (needed for compiling, linking and downloading) *</span></div><div class="line"><span class="comment">* *</span></div><div class="line"><span class="comment">* 1. adjust Makefile (only needed once) *</span></div><div class="line"><span class="comment">* + set "MCU" to the controller type (e.g. atmega64) *</span></div><div class="line"><span class="comment">* + set "PATH_LIB" to the library (e.g. ~/avr/robolib) *</span></div><div class="line"><span class="comment">* *</span></div><div class="line"><span class="comment">* 2. compile library and create headerfile (only needed once) *</span></div><div class="line"><span class="comment">* + open a console (e.g. strg+alt+t) *</span></div><div class="line"><span class="comment">* + change to the directory of the files (e.g. cd ~/avr/test/) *</span></div><div class="line"><span class="comment">* + run make with "ini" as parameter (e.g. make ini) *</span></div><div class="line"><span class="comment">* ==> check output for errors *</span></div><div class="line"><span class="comment">* *</span></div><div class="line"><span class="comment">* 3. compile main file and link everything (needed for all changes) *</span></div><div class="line"><span class="comment">* + open a console (e.g. strg+alt+t) *</span></div><div class="line"><span class="comment">* + change to the directory of the files (e.g. cd ~/avr/test/) *</span></div><div class="line"><span class="comment">* + run make with "all" as parameter (e.g. make all) *</span></div><div class="line"><span class="comment">* ==> check output for errors *</span></div><div class="line"><span class="comment">* *</span></div><div class="line"><span class="comment">* How to download this example *</span></div><div class="line"><span class="comment">* ============================ *</span></div><div class="line"><span class="comment">* *</span></div><div class="line"><span class="comment">* required files *</span></div><div class="line"><span class="comment">* + out.hex (machine code, created in the steps above) *</span></div><div class="line"><span class="comment">* + Makefile (needed for compiling, linking and downloading) *</span></div><div class="line"><span class="comment">* *</span></div><div class="line"><span class="comment">* 1. adjust Makefile (only needed once) *</span></div><div class="line"><span class="comment">* + set "COMPORT_PROG" to the serial device (e.g. /dev/ttyS0) *</span></div><div class="line"><span class="comment">* + set "BAUDRATE_PROG" to the speed (e.g. 57600) *</span></div><div class="line"><span class="comment">* *</span></div><div class="line"><span class="comment">* 2. download result (needed for all changes) *</span></div><div class="line"><span class="comment">* + open a console (e.g. strg+alt+t) *</span></div><div class="line"><span class="comment">* + change to the directory of the files (e.g. cd ~/avr/test/) *</span></div><div class="line"><span class="comment">* + run make with "program" as parameter (e.g. make program) *</span></div><div class="line"><span class="comment">* ==> check output for errors *</span></div><div class="line"><span class="comment">* *</span></div><div class="line"><span class="comment">******************************************************************************/</span></div></div><!-- 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