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<a name="l00129"></a>00129 
<a name="l00130"></a>00130     <span class="comment">// For calibrating joystick</span>
<a name="l00131"></a>00131     <span class="comment">//LCD_setXY (0, 0);</span>
<a name="l00132"></a>00132     <span class="comment">//LCD_printf ("Joystick: %04i", adcresult);</span>
<a name="l00133"></a>00133 
<a name="l00134"></a>00134     <span class="comment">// these values are measured experimentaly</span>
<a name="l00135"></a>00135     <span class="keywordflow">if</span> ((adcresult &gt; 1800) &amp;&amp; (adcresult &lt; 1950))
<a name="l00136"></a>00136     {
<a name="l00137"></a>00137         jresult += JOY_POS_LEFT;
<a name="l00138"></a>00138     }
<a name="l00139"></a>00139     <span class="keywordflow">else</span> <span class="keywordflow">if</span> ((adcresult &gt; 1100) &amp;&amp; (adcresult &lt; 1250))
<a name="l00140"></a>00140     {
<a name="l00141"></a>00141         jresult += JOY_POS_RIGHT;
<a name="l00142"></a>00142     }
<a name="l00143"></a>00143     <span class="keywordflow">else</span> <span class="keywordflow">if</span> ((adcresult &gt; 2000) &amp;&amp; (adcresult &lt; 2150))
<a name="l00144"></a>00144     {
<a name="l00145"></a>00145         jresult += JOY_POS_UP;
<a name="l00146"></a>00146     }
<a name="l00147"></a>00147     <span class="keywordflow">else</span> <span class="keywordflow">if</span> ((adcresult &gt; 600) &amp;&amp; (adcresult &lt; 750))
<a name="l00148"></a>00148     {
<a name="l00149"></a>00149         jresult += JOY_POS_DOWN;
<a name="l00150"></a>00150     }
<a name="l00151"></a>00151 
<a name="l00152"></a>00152     <span class="keywordflow">if</span> ((P2IN &amp; BIT6) != 0)
<a name="l00153"></a>00153     {
<a name="l00154"></a>00154         jresult += JOY_POS_CENTER;
<a name="l00155"></a>00155     }
<a name="l00156"></a>00156 
<a name="l00157"></a>00157     <span class="keywordflow">return</span> jresult;
<a name="l00158"></a>00158 }
<a name="l00159"></a>00159 
<a name="l00160"></a><a class="code" href="periphery_8h.html#63c0677a7650d8b00aabded94d64693c">00160</a> <a class="code" href="periphery_8h.html#ee61ae8f1c2cb6699241b9779166205f">KBD_buttonPressed_t</a> <a class="code" href="periphery_8c.html#63c0677a7650d8b00aabded94d64693c">KBD_getButtonPressed</a> ()
<a name="l00161"></a>00161 {
<a name="l00162"></a>00162     <a class="code" href="periphery_8h.html#ee61ae8f1c2cb6699241b9779166205f">KBD_buttonPressed_t</a> buttonPressed;
<a name="l00163"></a>00163     <span class="keyword">static</span> JOY_pos_t prevJoyPos = 0;
<a name="l00164"></a>00164     JOY_pos_t joyPos;
<a name="l00165"></a>00165     
<a name="l00166"></a>00166     <span class="comment">// Polling joystick position</span>
<a name="l00167"></a>00167     joyPos = <a class="code" href="periphery_8c.html#3ef001533f2bf00e62e27f2a1e5172ed">JOY_getPosition</a> ();
<a name="l00168"></a>00168     buttonPressed = (prevJoyPos ^ joyPos) &amp; joyPos;
<a name="l00169"></a>00169     prevJoyPos = joyPos;
<a name="l00170"></a>00170     <span class="keywordflow">if</span> (<a class="code" href="periphery_8c.html#091d014581a2dd236ee7eb29ea220219">KBD_b1Pressed</a>)
<a name="l00171"></a>00171     {
<a name="l00172"></a>00172         buttonPressed |= <a class="code" href="periphery_8h.html#14dc48ed135ccdd9551d8ac9195adce38aa3e27b2e075b24bf225d7aaa89ae1d">KBD_B1</a>;
<a name="l00173"></a>00173         <a class="code" href="periphery_8c.html#091d014581a2dd236ee7eb29ea220219">KBD_b1Pressed</a> = <a class="code" href="common_8h.html#a93f0eb578d23995850d61f7d61c55c1">FALSE</a>;
<a name="l00174"></a>00174     }
<a name="l00175"></a>00175     <span class="keywordflow">if</span> (<a class="code" href="periphery_8c.html#073df23545e437a9157e7e7bd906821f">KBD_b2Pressed</a>)
<a name="l00176"></a>00176     {
<a name="l00177"></a>00177         buttonPressed |= <a class="code" href="periphery_8h.html#14dc48ed135ccdd9551d8ac9195adce33ab3e16ccfb2dd3794bd9e36441f679c">KBD_B2</a>;
<a name="l00178"></a>00178         <a class="code" href="periphery_8c.html#073df23545e437a9157e7e7bd906821f">KBD_b2Pressed</a> = <a class="code" href="common_8h.html#a93f0eb578d23995850d61f7d61c55c1">FALSE</a>;
<a name="l00179"></a>00179     }
<a name="l00180"></a>00180     <span class="keywordflow">return</span> buttonPressed;
<a name="l00181"></a>00181 }
<a name="l00182"></a>00182 
<a name="l00186"></a><a class="code" href="periphery_8h.html#75690af9e89afd801dc40b20b5c813f1">00186</a> <span class="keywordtype">void</span> <a class="code" href="periphery_8c.html#75690af9e89afd801dc40b20b5c813f1">GPIO_init</a>(<span class="keywordtype">void</span>) 
<a name="l00187"></a>00187 {
<a name="l00188"></a>00188     <span class="comment">// all as GPIO</span>
<a name="l00189"></a>00189     P1SEL   = 0x00;
<a name="l00190"></a>00190     P2SEL   = 0x00;
<a name="l00191"></a>00191     P3SEL   = 0x00;
<a name="l00192"></a>00192     P4SEL   = 0x00;
<a name="l00193"></a>00193     P5SEL   = 0x00;
<a name="l00194"></a>00194     P6SEL   = 0x00;
<a name="l00195"></a>00195     P7SEL   = 0x00;
<a name="l00196"></a>00196     P8SEL   = 0x00;
<a name="l00197"></a>00197     P9SEL   = 0x00;
<a name="l00198"></a>00198     P10SEL  = 0x00;
<a name="l00199"></a>00199 
<a name="l00200"></a>00200     <span class="comment">// all as low</span>
<a name="l00201"></a>00201     P1OUT   = 0x00;
<a name="l00202"></a>00202     P2OUT   = 0x00;
<a name="l00203"></a>00203     P3OUT   = 0x00;
<a name="l00204"></a>00204     P4OUT   = 0x00;
<a name="l00205"></a>00205     P5OUT   = 0x00;
<a name="l00206"></a>00206     P6OUT   = 0x00;
<a name="l00207"></a>00207     P7OUT   = 0x00;
<a name="l00208"></a>00208     P8OUT   = 0x00;
<a name="l00209"></a>00209     P9OUT   = 0x00;
<a name="l00210"></a>00210     P10OUT  = 0x00;
<a name="l00211"></a>00211 
<a name="l00212"></a>00212     <span class="comment">// all as output</span>
<a name="l00213"></a>00213     P1DIR   = 0xFF;
<a name="l00214"></a>00214     P2DIR   = 0xFF;
<a name="l00215"></a>00215     P3DIR   = 0xFF;
<a name="l00216"></a>00216     P4DIR   = 0xFF;
<a name="l00217"></a>00217     P5DIR   = 0xFF;
<a name="l00218"></a>00218     P6DIR   = 0xFF;
<a name="l00219"></a>00219     P7DIR   = 0xFF;
<a name="l00220"></a>00220     P8DIR   = 0xFF;
<a name="l00221"></a>00221     P9DIR   = 0xFF;
<a name="l00222"></a>00222     P10DIR  = 0xFF;
<a name="l00223"></a>00223 }
<a name="l00224"></a>00224 
<a name="l00228"></a><a class="code" href="periphery_8h.html#d773088e6129cd48c3d19dc2d2bd9a94">00228</a> <span class="keywordtype">void</span> <a class="code" href="periphery_8c.html#d773088e6129cd48c3d19dc2d2bd9a94">ADC12_init</a> (<span class="keywordtype">void</span>)
<a name="l00229"></a>00229 {
<a name="l00230"></a>00230     <span class="comment">/* ADC12 Control Register 0 */</span>
<a name="l00231"></a>00231     <span class="comment">// ADC12 sample-and-hold time -&gt; 256 x ADC12CLKs,</span>
<a name="l00232"></a>00232     <span class="comment">// Reference = 2.5V, Select ADC12MEM0</span>
<a name="l00233"></a>00233     ADC12CTL0 = SHT03; <span class="comment">// orig!</span>
<a name="l00234"></a>00234     <span class="comment">//ADC12CTL0 = REFON | REF2_5V;</span>
<a name="l00235"></a>00235 
<a name="l00236"></a>00236     <span class="comment">// Sample-and-hold source select -&gt; ADC12SC bit, no clock divider,</span>
<a name="l00237"></a>00237     <span class="comment">// clock -&gt; ADC12OSC - internal osillator ~5MHz, Single-channel and single-conversion</span>
<a name="l00238"></a>00238     <span class="comment">// ADC12CTL1 = SHP;</span>
<a name="l00239"></a>00239 
<a name="l00240"></a>00240     <span class="comment">// Sample-and-hold source select -&gt; ADC12SC bit, no clock divider,</span>
<a name="l00241"></a>00241     <span class="comment">// clock -&gt; MCLK - external osillator ~2MHz, Single-channel and single-conversion</span>
<a name="l00242"></a>00242     <span class="comment">//ADC12CTL1 = ADC12SSEL1 | SHP;</span>
<a name="l00243"></a>00243     ADC12CTL1 = ADC12SSEL1; <span class="comment">// orig!</span>
<a name="l00244"></a>00244 
<a name="l00245"></a>00245     <span class="comment">// Conversion Memory Control Registers</span>
<a name="l00246"></a>00246     <span class="comment">// Select reference -&gt; VR+ = AVCC+ and VR