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extruder_2intercom_8h_source.html
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<h1>extruder/intercom.h</h1> </div>
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<div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="preprocessor">#ifndef _INTERCOM_H</span>
<a name="l00002"></a>00002 <span class="preprocessor"></span><span class="preprocessor">#define _INTERCOM_H</span>
<a name="l00003"></a>00003 <span class="preprocessor"></span>
<a name="l00004"></a>00004 <span class="preprocessor">#include <stdint.h></span>
<a name="l00005"></a>00005 <span class="preprocessor">#include "config.h"</span>
<a name="l00006"></a>00006
<a name="l00007"></a>00007 <span class="preprocessor">#ifdef HOST</span>
<a name="l00008"></a>00008 <span class="preprocessor"></span><span class="preprocessor"> #define enable_transmit() do { WRITE(TX_ENABLE_PIN,1); UCSR1B &=~MASK(RXEN1); } while(0)</span>
<a name="l00009"></a>00009 <span class="preprocessor"></span><span class="preprocessor"> #define disable_transmit() do { WRITE(TX_ENABLE_PIN,0); UCSR1B &= ~(MASK(TXCIE1) | MASK(UDRIE1)); UCSR1B |= MASK(RXEN1); } while(0)</span>
<a name="l00010"></a>00010 <span class="preprocessor"></span><span class="preprocessor">#else</span>
<a name="l00011"></a>00011 <span class="preprocessor"></span><span class="preprocessor"> #define enable_transmit() do { WRITE(TX_ENABLE_PIN,1); UCSR0B &= ~MASK(RXEN0); } while(0)</span>
<a name="l00012"></a>00012 <span class="preprocessor"></span><span class="preprocessor"> #define disable_transmit() do { WRITE(TX_ENABLE_PIN,0); UCSR0B &= ~(MASK(TXCIE0) | MASK(UDRIE0)); UCSR0B |= MASK(RXEN0); } while(0)</span>
<a name="l00013"></a>00013 <span class="preprocessor"></span><span class="preprocessor">#endif</span>
<a name="l00014"></a>00014 <span class="preprocessor"></span>
<a name="l00016"></a>00016 <span class="keyword">enum</span> {
<a name="l00017"></a>00017 ERROR_BAD_CRC
<a name="l00018"></a>00018 } err_codes;
<a name="l00019"></a>00019
<a name="l00022"></a>00022 <span class="keyword">typedef</span> <span class="keyword">struct </span>{
<a name="l00023"></a>00023 uint8_t start;
<a name="l00024"></a>00024 uint8_t dio;
<a name="l00025"></a>00025 uint8_t controller_num;
<a name="l00026"></a>00026 uint8_t control_word;
<a name="l00027"></a>00027 uint8_t control_index;
<a name="l00028"></a>00028
<a name="l00029"></a>00029 <span class="keyword">union </span>{
<a name="l00030"></a>00030 int32_t control_data_int32;
<a name="l00031"></a>00031 uint32_t control_data_uint32;
<a name="l00032"></a>00032 <span class="keywordtype">float</span> control_data_float;
<a name="l00033"></a>00033 uint16_t temp[2];
<a name="l00034"></a>00034 };
<a name="l00035"></a>00035 uint8_t err;
<a name="l00036"></a>00036 uint8_t <a class="code" href="gcode__parse_8c.html#a6dc4adfe55db495c45536ad747d3df4a" title="crude crc macro">crc</a>;
<a name="l00037"></a>00037 } <a class="code" href="structintercom__packet__t.html" title="intercom packet structure, both tx and rx">intercom_packet_t</a>;
<a name="l00038"></a>00038
<a name="l00040"></a>00040 <span class="keyword">typedef</span> <span class="keyword">union </span>{
<a name="l00041"></a>00041 <a class="code" href="structintercom__packet__t.html" title="intercom packet structure, both tx and rx">intercom_packet_t</a> packet;
<a name="l00042"></a>00042 uint8_t data[<span class="keyword">sizeof</span>(<a class="code" href="structintercom__packet__t.html" title="intercom packet structure, both tx and rx">intercom_packet_t</a>)];
<a name="l00043"></a>00043 } <a class="code" href="unionintercom__packet.html" title="this allows us to fill the packet struct, then pass it to something that expects an array of bytes...">intercom_packet</a>;
<a name="l00044"></a>00044
<a name="l00045"></a>00045 <span class="keyword">extern</span> <a class="code" href="unionintercom__packet.html" title="this allows us to fill the packet struct, then pass it to something that expects an array of bytes...">intercom_packet</a> tx;
<a name="l00046"></a>00046 <span class="keyword">extern</span> <a class="code" href="unionintercom__packet.html" title="this allows us to fill the packet struct, then pass it to something that expects an array of bytes...">intercom_packet</a> rx;
<a name="l00047"></a>00047
<a name="l00049"></a>00049 <span class="keywordtype">void</span> intercom_init(<span class="keywordtype">void</span>);
<a name="l00050"></a>00050
<a name="l00053"></a>00053 <span class="keywordtype">void</span> send_temperature(uint8_t index, uint16_t temperature);
<a name="l00054"></a>00054
<a name="l00057"></a>00057 uint16_t read_temperature(uint8_t index);
<a name="l00058"></a>00058
<a name="l00061"></a>00061 <span class="keywordtype">void</span> set_dio(uint8_t index, uint8_t value);
<a name="l00062"></a>00062
<a name="l00065"></a>00065 uint8_t get_dio(uint8_t index);
<a name="l00066"></a>00066
<a name="l00068"></a>00068 <span class="keywordtype">void</span> set_err(uint8_t err);
<a name="l00069"></a>00069
<a name="l00071"></a>00071 uint8_t get_err(<span class="keywordtype">void</span>);
<a name="l00072"></a>00072
<a name="l00075"></a>00075 <span class="keywordtype">void</span> start_send(<span class="keywordtype">void</span>);
<a name="l00076"></a>00076
<a name="l00077"></a>00077 <span class="preprocessor">#define FLAG_RX_IN_PROGRESS 1</span>
<a name="l00078"></a>00078 <span class="preprocessor"></span><span class="preprocessor">#define FLAG_TX_IN_PROGRESS 2</span>
<a name="l00079"></a>00079 <span class="preprocessor"></span><span class="preprocessor">#define FLAG_NEW_RX 4</span>
<a name="l00080"></a>00080 <span class="preprocessor"></span><span class="preprocessor">#define FLAG_TX_FINISHED 8</span>
<a name="l00081"></a>00081 <span class="preprocessor"></span><span class="keyword">extern</span> <span class="keyword">volatile</span> uint8_t intercom_flags;
<a name="l00082"></a>00082
<a name="l00083"></a>00083
<a name="l00084"></a>00084
<a name="l00085"></a>00085 <span class="preprocessor">#endif </span><span class="comment">/* _INTERCOM_H */</span>
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