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<html><head><title>Component: HPLCC2420FIFOM</title></head><body><table BORDER="0" CELLPADDING="3" CELLSPACING="0" width="100%"><tr><td><font size="-1"><b><font color="blue"><a href="apps_p.html">Apps</a></font></b> <b><a href="components_p.html">Components</a></b> <b><a href="interfaces_p.html">Interfaces</a></b> <b><a href="allfiles_p.html">All Files</a></b> <b><a href="index.html">Source Tree</a></b> </font></td><td align="right"><font size="-1">source: <b><a href="tos.platform.micaz.HPLCC2420FIFOM.nc.source">tos.platform.micaz.HPLCC2420FIFOM.nc</a></b></font></td></tr></table><hr><h1 align="center">Component: HPLCC2420FIFOM</h1><p> Low level hardware access to the CC2420 Rx,Tx fifos <table border="0" cellpadding="0"><tr valign="top"><td><b>Author:</b><td> Alan Broad </td></tr></table><p><table BORDER="1" CELLPADDING="3" CELLSPACING="0" WIDTH="100%"><tr BGCOLOR="#CCCCFF"><td><h3>Provided Interfaces</h3></td></tr></table><ul><li> <a href="tos.lib.CC2420Radio.HPLCC2420FIFO.nc.html">HPLCC2420FIFO</a> </ul><table BORDER="1" CELLPADDING="3" CELLSPACING="0" WIDTH="100%"><tr BGCOLOR="#CCCCFF"><td><h3>Variables</h3></td></tr></table><ul><li> norace bool bSpiAvail<li> uint8_t *txbuf<li> uint8_t *rxbuf<li> uint8_t txlength<li> uint8_t rxlength</ul><table BORDER="1" CELLPADDING="3" CELLSPACING="0" WIDTH="100%"><tr BGCOLOR="#CCCCFF"><td><h3>Function Index</h3></td></tr></table><ul><li> task void <b>signalTXdone</b>(void)<li> task void <a href="#task void signalRXdone(void)"><b>signalRXdone</b> </a>(void)<menu>Returns data buffer from RXFIFO and number of bytes read.</menu><p><li> async command result_t <a href="#async command result_t HPLCC2420FIFO.writeTXFIFO(uint8_t len, uint8_t *msg)"><b>HPLCC2420FIFO.writeTXFIFO</b> </a>(uint8_t len, uint8_t *msg)<menu> Writes a series of bytes to the transmit FIFO.</menu><p><li> async command result_t <a href="#async command result_t HPLCC2420FIFO.readRXFIFO(uint8_t len, uint8_t *msg)"><b>HPLCC2420FIFO.readRXFIFO</b> </a>(uint8_t len, uint8_t *msg)<menu> Read from the RX FIFO queue. </menu><p></ul><table BORDER="1" CELLPADDING="3" CELLSPACING="0" WIDTH="100%"><tr BGCOLOR="#CCCCFF"><td><h3>Function Descriptions</h3></td></tr></table> <a name="task void signalRXdone(void)"></a> <h4>signalRXdone</h4> task void <b>signalRXdone</b>(void)<P><menu>Returns data buffer from RXFIFO and number of bytes read. <table border="0" cellpadding="0"></td></tr><tr valign="top"><td><br><b>Parameters:</b></td><td><menu><p STYLE="text-indent: -1cm"><b>rxlength</b> - Nofbytes read from RXFIFO (including 1st byte which is usually length</p><p STYLE="text-indent: -1cm"><b>rxbuf</b> - pointer to buffer********************************************************************************</menu></menu></td></tr></table></menu><hr> <a name="async command result_t HPLCC2420FIFO.writeTXFIFO(uint8_t len, uint8_t *msg)"></a> <h4>HPLCC2420FIFO.writeTXFIFO</h4> async command result_t <a href="tos.lib.CC2420Radio.HPLCC2420FIFO.nc.html#async command result_t HPLCC2420FIFO.writeTXFIFO(uint8_t len, uint8_t *msg)"><b>HPLCC2420FIFO.writeTXFIFO</b> </a>(uint8_t len, uint8_t *msg)<P><menu> Writes a series of bytes to the transmit FIFO. <table border="0" cellpadding="0"></td></tr><tr valign="top"><td><br><b>Parameters:</b></td><td><menu><p STYLE="text-indent: -1cm"><b>length</b> - nof bytes be written </p><p STYLE="text-indent: -1cm"><b>msg</b> - pointer to first byte of data </menu></td></tr><tr valign="top"><td><b>Returns:</b></td><td> SUCCESS if the bus is free to write to the FIFO</td></tr></table></menu><hr> <a name="async command result_t HPLCC2420FIFO.readRXFIFO(uint8_t len, uint8_t *msg)"></a> <h4>HPLCC2420FIFO.readRXFIFO</h4> async command result_t <a href="tos.lib.CC2420Radio.HPLCC2420FIFO.nc.html#async command result_t HPLCC2420FIFO.readRXFIFO(uint8_t len, uint8_t *msg)"><b>HPLCC2420FIFO.readRXFIFO</b> </a>(uint8_t len, uint8_t *msg)<P><menu> Read from the RX FIFO queue. Will read bytes from the queue until the length is reached (determined by the first byte read). RXFIFODone() is signalled when all bytes have been read or the end of the packet has been reached. <table border="0" cellpadding="0"></td></tr><tr valign="top"><td><br><b>Parameters:</b></td><td><menu><p STYLE="text-indent: -1cm"><b>length</b> - number of bytes requested from the FIFO </p><p STYLE="text-indent: -1cm"><b>data</b> - buffer bytes should be placed into </menu></td></tr><tr valign="top"><td><b>Returns:</b></td><td> SUCCESS if the bus is free to read from the FIFO</td></tr></table></menu>⌨️ 快捷键说明
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