nrf24l01_8c-source.html

MSP acquires data and sends through USB to PC. Check the link for PC capture software and project d

<a name="l00247"></a>00247     <a class="code" href="nrf24l01_8c.html#54849a1c58ce64ba16a055ad9555a027">status</a> = <a class="code" href="nrf24l01_8c.html#af5c055cad67312ebfb0361c281cbd34">SPI_Send_command_with_ADDR</a>(<a class="code" href="nrf24l01_8h.html#3b68b214d5753039d2c156ad57cd7153">W_REGISTER</a>, <a class="code" href="nrf24l01_8h.html#060e61d8f6e7ad28984540faa85cdecf">RX_PW_P0</a>, 1);
<a name="l00248"></a>00248     <span class="comment">//Write RX_PW_P1 register -&gt; Set number of bytes in RX payload in data pipe1 -&gt; 1 byte</span>
<a name="l00249"></a>00249     <a class="code" href="nrf24l01_8c.html#54849a1c58ce64ba16a055ad9555a027">status</a> = <a class="code" href="nrf24l01_8c.html#af5c055cad67312ebfb0361c281cbd34">SPI_Send_command_with_ADDR</a>(<a class="code" href="nrf24l01_8h.html#3b68b214d5753039d2c156ad57cd7153">W_REGISTER</a>, <a class="code" href="nrf24l01_8h.html#a260ec97512905cec17f8ade82bc550d">RX_PW_P1</a>, 1);
<a name="l00250"></a>00250     <a class="code" href="nrf24l01_8c.html#0eb561cc69d3336ac273f4246ee7e631">NRF_prepareForReceive</a> ();
<a name="l00251"></a>00251 }
<a name="l00252"></a>00252 
<a name="l00260"></a><a class="code" href="nrf24l01_8h.html#4015c7b6345fb495c62de60a81c9457e">00260</a> <span class="keywordtype">void</span> <a class="code" href="nrf24l01_8c.html#4015c7b6345fb495c62de60a81c9457e">NRF_send</a> (uint8_t byte)
<a name="l00261"></a>00261 {
<a name="l00262"></a>00262     uint8_t status_temp;
<a name="l00263"></a>00263 
<a name="l00264"></a>00264     <span class="comment">// Chip enable low</span>
<a name="l00265"></a>00265     <a class="code" href="nrf24l01_8c.html#2e2fcc38fc7a1cbb847a00bf8bb59d18">CE_LOW</a>();
<a name="l00266"></a>00266 
<a name="l00267"></a>00267     <span class="comment">// Setting for TX device</span>
<a name="l00268"></a>00268     <span class="comment">// Write CONFIG register -&gt; 00001010 - CRC enable, power-up, TX</span>
<a name="l00269"></a>00269     <a class="code" href="nrf24l01_8c.html#54849a1c58ce64ba16a055ad9555a027">status</a> = <a class="code" href="nrf24l01_8c.html#af5c055cad67312ebfb0361c281cbd34">SPI_Send_command_with_ADDR</a> (<a class="code" href="nrf24l01_8h.html#3b68b214d5753039d2c156ad57cd7153">W_REGISTER</a>,<a class="code" href="nrf24l01_8h.html#37bdababe611f11d0d4c5ecdadb31487">CONFIG_REG_ADDR</a>, 0x0A);
<a name="l00270"></a>00270 
<a name="l00271"></a>00271     <span class="comment">// Send payload - send any data</span>
<a name="l00272"></a>00272     <a class="code" href="nrf24l01_8c.html#54849a1c58ce64ba16a055ad9555a027">status</a> = <a class="code" href="nrf24l01_8c.html#15f5e33b83469e385132981afe4dd382">SPI_Send_command_without_ADDR</a> (<a class="code" href="nrf24l01_8h.html#fd12673bc8ca8559b0eee395e8845982">W_TX_PAYLOAD</a>, byte);
<a name="l00273"></a>00273 
<a name="l00274"></a>00274     <span class="comment">// Pulse for CE -&gt; starts the transmission.</span>
<a name="l00275"></a>00275     <a class="code" href="nrf24l01_8c.html#46de8521b533215eafef482a6dee9a7d">CE_HIGH</a>();
<a name="l00276"></a>00276     <a class="code" href="nrf24l01_8c.html#2e2fcc38fc7a1cbb847a00bf8bb59d18">CE_LOW</a>();
<a name="l00277"></a>00277 
<a name="l00278"></a>00278     <span class="comment">// Read STATUS register</span>
<a name="l00279"></a>00279     <a class="code" href="nrf24l01_8c.html#54849a1c58ce64ba16a055ad9555a027">status</a> = <a class="code" href="nrf24l01_8c.html#15f5e33b83469e385132981afe4dd382">SPI_Send_command_without_ADDR</a>(<a class="code" href="nrf24l01_8h.html#7b5a6dc6c173a198aedd1eb7808d6992">NRF_NOP</a>, <a class="code" href="nrf24l01_8h.html#7b5a6dc6c173a198aedd1eb7808d6992">NRF_NOP</a>);
<a name="l00280"></a>00280 
<a name="l00281"></a>00281     <span class="comment">// if exceed number of transmision packets</span>
<a name="l00282"></a>00282     <span class="keywordflow">if</span> ((<a class="code" href="nrf24l01_8c.html#54849a1c58ce64ba16a055ad9555a027">status</a> &amp; <a class="code" href="nrf24l01_8h.html#b4482ead4f3b452a032f63ac03ee1870">MAX_RT</a>) != 0) 
<a name="l00283"></a>00283     {
<a name="l00284"></a>00284 
<a name="l00285"></a>00285         <span class="comment">// Clear MAX_RT bit in status register</span>
<a name="l00286"></a>00286         status_temp = <a class="code" href="nrf24l01_8c.html#af5c055cad67312ebfb0361c281cbd34">SPI_Send_command_with_ADDR</a>(<a class="code" href="nrf24l01_8h.html#3b68b214d5753039d2c156ad57cd7153">W_REGISTER</a>, <a class="code" href="nrf24l01_8h.html#117d55643ed1138ff52f6cefd72cb876">STATUS_ADDR</a>, (<a class="code" href="nrf24l01_8c.html#54849a1c58ce64ba16a055ad9555a027">status</a>|MAX_RT));
<a name="l00287"></a>00287 
<a name="l00288"></a>00288         <span class="comment">// No communication event here</span>
<a name="l00289"></a>00289         <a class="code" href="lcd_8c.html#745f4e24d600186db3dc2fea9b4a52d6">LCD_printf</a> (<span class="stringliteral">"MAX_RT\n"</span>);
<a name="l00290"></a>00290 
<a name="l00291"></a>00291         <span class="comment">// Flush TX FIFO (in TX mode)</span>
<a name="l00292"></a>00292         status_temp = <a class="code" href="nrf24l01_8c.html#15f5e33b83469e385132981afe4dd382">SPI_Send_command_without_ADDR</a>(<a class="code" href="nrf24l01_8h.html#bce47e8066832b6ac4e18162a79859b4">FLUSH_TX</a>, <a class="code" href="nrf24l01_8h.html#7b5a6dc6c173a198aedd1eb7808d6992">NRF_NOP</a>); <span class="comment">// XXX test code</span>
<a name="l00293"></a>00293     }
<a name="l00294"></a>00294 
<a name="l00295"></a>00295     <span class="comment">// If packet sent on TX</span>
<a name="l00296"></a>00296     <span class="keywordflow">if</span> ((<a class="code" href="nrf24l01_8c.html#54849a1c58ce64ba16a055ad9555a027">status</a> &amp; <a class="code" href="nrf24l01_8h.html#b5f5243908a39ffd514fe701e9749bdc">TX_DS</a>) != 0) 
<a name="l00297"></a>00297     {
<a name="l00298"></a>00298         <span class="comment">// Clear TX_DS bit in status register</span>
<a name="l00299"></a>00299         status_temp = <a class="code" href="nrf24l01_8c.html#af5c055cad67312ebfb0361c281cbd34">SPI_Send_command_with_ADDR</a>(<a class="code" href="nrf24l01_8h.html#3b68b214d5753039d2c156ad57cd7153">W_REGISTER</a>, <a class="code" href="nrf24l01_8h.html#117d55643ed1138ff52f6cefd72cb876">STATUS_ADDR</a>, (<a class="code" href="nrf24l01_8c.html#54849a1c58ce64ba16a055ad9555a027">status</a>|TX_DS));
<a name="l00300"></a>00300 
<a name="l00301"></a>00301         <span class="comment">// Your code here</span>
<a name="l00302"></a>00302         <span class="comment">//LCD_printf ("TX_DS\n");</span>
<a name="l00303"></a>00303     }
<a name="l00304"></a>00304 
<a name="l00305"></a>00305     <span class="comment">// If TX full</span>
<a name="l00306"></a>00306     <span class="keywordflow">if</span> ((<a class="code" href="nrf24l01_8c.html#54849a1c58ce64ba16a055ad9555a027">status</a> &amp; <a class="code" href="nrf24l01_8h.html#f3b1baf3a7a57b7471443d1ff002c778">TX_FULL</a>) != 0)
<a name="l00307"></a>00307     {
<a name="l00308"></a>00308         <span class="comment">// Flush TX FIFO (in TX mode)</span>
<a name="l00309"></a>00309         status_temp = <a class="code" href="nrf24l01_8c.html#15f5e33b83469e385132981afe4dd382">SPI_Send_command_without_ADDR</a>(<a class="code" href="nrf24l01_8h.html#bce47e8066832b6ac4e18162a79859b4">FLUSH_TX</a>, <a class="code" href="nrf24l01_8h.html#7b5a6dc6c173a198aedd1eb7808d6992">NRF_NOP</a>);
<a name="l00310"></a>00310 
<a name="l00311"></a>00311         <span class="comment">// Your code here</span>
<a name="l00312"></a>00312         <span class="comment">// ...</span>
<a name="l00313"></a>00313         <a class="code" href="lcd_8c.html#745f4e24d600186db3dc2fea9b4a52d6">LCD_printf</a> (<span class="stringliteral">"TX_FULL\n"</span>);
<a name="l00314"></a>00314     }
<a name="l00315"></a>00315 
<a name="l00316"></a>00316 }
<a name="l00317"></a>00317 
<a name="l00321"></a><a class="code" href="nrf24l01_8h.html#0eb561cc69d3336ac273f4246ee7e631">00321</a> <span class="keywordtype">void</span> <a class="code" href="nrf24l01_8c.html#0eb561cc69d3336ac273f4246ee7e631">NRF_prepareForReceive</a> ()
<a name="l00322"></a>00322 {
<a name="l00323"></a>00323     <span class="comment">// Setting for RX device</span>
<a name="l00324"></a>00324     <span class="comment">//Write CONFIG register -&gt; 00001010 - CRC enable, power-up, RX</span>
<a name="l00325"></a>00325     <a class="code" href="nrf24l01_8c.html#54849a1c58ce64ba16a055ad9555a027">status</a> = <a class="code" href="nrf24l01_8c.html#af5c055cad67312ebfb0361c281cbd34">SPI_Send_command_with_ADDR</a>(<a class="code" href="nrf24l01_8h.html#3b68b214d5753039d2c156ad57cd7153">W_REGISTER</a>,<a class="code" href="nrf24l01_8h.html#37bdababe611f11d0d4c5ecdadb31487">CONFIG_REG_ADDR</a>, 0x0B);
<a name="l00326"></a>00326 }
<a name="l00327"></a>00327 
<a name="l00337"></a><a class="code" href="nrf24l01_8h.html#b7ad95e7d453872170e9a6d1d2db6fc3">00337</a> <a class="code" href="common_8h.html#449976458a084f880dc8e3d29e7eb6f5">bool_t</a> <a class="code" href="nrf24l01_8c.html#b7ad95e7d453872170e9a6d1d2db6fc3">NRF_receive</a> (uint8_t *<span class="keyword">const</span> byte)
<a name="l00338"></a>00338 {
<a name="l00339"></a>00339     uint8_t payload;
<a name="l00340"></a>00340     uint8_t status_temp;
<a name="l00341"></a>00341 
<a name="l00342"></a>00342     <a class="code" href="nrf24l01_8c.html#46de8521b533215eafef482a6dee9a7d">CE_HIGH</a> ();
<a name="l00343"></a>00343     <span class="keywordflow">if</span> (<a class="code" href="nrf24l01_8h.html#5a29d3246010ea1c5e45d4166761cd97">IRQ</a> ()) <span class="comment">// check interrupt line of nRF24L01...</span>
<a name="l00344"></a>00344     {
<a name="l00345"></a>00345         <span class="comment">// Read STATUS status register</span>
<a name="l00346"></a>00346         <a class="code" href="nrf24l01_8c.html#54849a1c58ce64ba16a055ad9555a027">status</a> = <a class="code" href="nrf24l01_8c.html#15f5e33b83469e385132981afe4dd382">SPI_Send_command_without_ADDR</a>(<a class="code" href="nrf24l01_8h.html#7b5a6dc6c173a198aedd1eb7808d6992">NRF_NOP</a>, <a class="code" href="nrf24l01_8h.html#7b5a6dc6c173a198aedd1eb7808d6992">NRF_NOP</a>);
<a name="l00347"></a>00347 
<a name="l00348"></a>00348         <span class="comment">// Set high when new data arrives RX FIFO</span>
<a name="l00349"></a>00349         <span class="keywordflow">if</span> ((<a class="code" href="nrf24l01_8c.html#54849a1c58ce64ba16a055ad9555a027">status</a> &amp; <a class="code" href="nrf24l01_8h.html#312d1f2745a86149b27cff7d61e715df">RX_DR</a>) != 0)
<a name="l00350"></a>00350         {
<a name="l00351"></a>00351             <span class="comment">// Chip enable low</span>
<a name="l00352"></a>00352             <a class="code" href="nrf24l01_8c.html#2e2fcc38fc7a1cbb847a00bf8bb59d18">CE_LOW</a>();
<a name="l00353"></a>00353 
<a name="l00354"></a>00354             <span class="comment">//Read payload data</span>
<a name="l00355"></a>00355             payload = <a class="code" href="nrf24l01_8c.html#15f5e33b83469e385132981afe4dd382">SPI_Send_command_without_ADDR</a>(<a class="code" href="nrf24l01_8h.html#462d8c2314b823b724574c1ca73225a6">R_RX_PAYLOAD</a>, <a class="code" href="nrf24l01_8h.html#7b5a6dc6c173a198aedd1eb7808d6992">NRF_NOP</a>);
<a name="l00356"></a>00356 
<a name="l00357"></a>00357             <span class="comment">// Clear RX_DR bit in status register</span>
<a name="l00358"></a>00358             status_temp = <a class="code" href="nrf24l01_8c.html#af5c055cad67312ebfb0361c281cbd34">SPI_Send_command_with_ADDR</a>(<a class="code" href="nrf24l01_8h.html#3b68b214d5753039d2c156ad57cd7153">W_REGISTER</a>, <a class="code" href="nrf24l01_8h.html#117d55643ed1138ff52f6cefd72cb876">STATUS_ADDR</a>, (<a class="code" href="nrf24l01_8c.html#54849a1c58ce64ba16a055ad9555a027">status</a>|RX_DR));
<a name="l00359"></a>00359 
<a name="l00360"></a>00360             *byte = payload;
<a name="l00361"></a>00361 
<a name="l00362"></a>00362             <span class="comment">// Flush RX FIFO</span>
<a name="l00363"></a>00363             status_temp = <a class="code" href="nrf24l01_8c.html#15f5e33b83469e385132981afe4dd382">SPI_Send_command_without_ADDR</a>(<a class="code" href="nrf24l01_8h.html#b2418a6171d7f1eefd458927fdfe7057">FLUSH_RX</a>, <a class="code" href="nrf24l01_8h.html#7b5a6dc6c173a198aedd1eb7808d6992">NRF_NOP</a>); <span class="comment">// XXX test code</span>
<a name="l00364"></a>00364             <span class="keywordflow">return</span> <a class="code" href="common_8h.html#a8cecfc5c5c054d2875c03e77b7be15d">TRUE</a>;
<a name="l00365"></a>00365         }
<a name="l00366"></a>00366     }
<a name="l00367"></a>00367     <span class="keywordflow">return</span> <a class="code" href="common_8h.html#a93f0eb578d23995850d61f7d61c55c1">FALSE</a>;
<a name="l00368"></a>00368 }
</pre></div><hr size="1"><address style="align: right;"><small>Generated on Sun Oct 21 19:25:35 2007 for Sample MSP430-4619LCD Project by&nbsp;
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