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<html><head><title>Component: HPLCC2420M</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.HPLCC2420M.nc.source">tos.platform.micaz.HPLCC2420M.nc</a></b></font></td></tr></table><hr><h1 align="center">Component: HPLCC2420M</h1><p> Low level hardware access to the CC2420 <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.interfaces.StdControl.nc.html">StdControl</a> <li> <a href="tos.lib.CC2420Radio.HPLCC2420.nc.html">HPLCC2420</a> <li> <a href="tos.lib.CC2420Radio.HPLCC2420RAM.nc.html">HPLCC2420RAM</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> norace uint8_t *rambuf<li> norace uint8_t ramlen<li> norace uint16_t ramaddr</ul><table BORDER="1" CELLPADDING="3" CELLSPACING="0" WIDTH="100%"><tr BGCOLOR="#CCCCFF"><td><h3>Function Index</h3></td></tr></table><ul><li> command result_t <a href="tos.interfaces.StdControl.nc.html#command result_t StdControl.init(void)"><b>StdControl.init</b> </a>(void)<menu>******************************************************* function: init set Atmega pin directions for cc2420 enable SPI master bus******************************************************</menu><p><li> command result_t <a href="tos.interfaces.StdControl.nc.html#command result_t StdControl.start(void)"><b>StdControl.start</b> </a>(void)<li> command result_t <a href="tos.interfaces.StdControl.nc.html#command result_t StdControl.stop(void)"><b>StdControl.stop</b> </a>(void)<li> async command result_t <a href="#async command result_t HPLCC2420.enableFIFOP(void)"><b>HPLCC2420.enableFIFOP</b> </a>(void)<menu>******************************************************* function: enableFIFOP enable CC2420 fifop interruptCC2420 is configured for FIFOP interrupt on RXFIFO > Threshwhere thresh is programmed in CC2420Const.h CP_IOCFGO reg. </menu><p><li> async command result_t <a href="tos.lib.CC2420Radio.HPLCC2420.nc.html#async command result_t HPLCC2420.disableFIFOP(void)"><b>HPLCC2420.disableFIFOP</b> </a>(void)<menu>******************************************************* function: disbleFIFOP disable CC2420 fifop interrupt******************************************************</menu><p><li> async command uint8_t <a href="tos.lib.CC2420Radio.HPLCC2420.nc.html#async command uint8_t HPLCC2420.cmd(uint8_t addr)"><b>HPLCC2420.cmd</b> </a>(uint8_t addr)<menu>******************************************************* function: cmd send a command strobe******************************************************</menu><p><li> async command result_t <a href="tos.lib.CC2420Radio.HPLCC2420.nc.html#async command result_t HPLCC2420.write(uint8_t addr, uint16_t data)"><b>HPLCC2420.write</b> </a>(uint8_t addr, uint16_t data)<menu>************************************************************************ function: write - accepts a 6 bit address and 16 bit data, - write addr byte to SPI while reading status - if cmd strobe then just write addr, read status and exit - else write 16 bit data - SPI bus runs at ~ 3.6Mhz clock (2.2 usec/byte xfr) NEED TO CHK IS SPI BUS IN USE????????????????????????????? THIS ROUTINE IS POLLING SPI CHANGE ???????????????????????? ******************************************************</menu><p><li> async command uint16_t <a href="tos.lib.CC2420Radio.HPLCC2420.nc.html#async command uint16_t HPLCC2420.read(uint8_t addr)"><b>HPLCC2420.read</b> </a>(uint8_t addr)<menu>************************************************************************** function: read description: accepts a 6 bit address, write addr byte to SPI while reading status read status, followed by 2 data bytes Input: 6 bit address Output: 16 bit data **************************************************************************</menu><p><li> void __attribute((signal)) <b>__vector_7</b>(void)<li> task void <b>signalRAMRd</b>(void)<li> async command result_t <a href="tos.lib.CC2420Radio.HPLCC2420RAM.nc.html#async command result_t HPLCC2420RAM.read(uint16_t addr, uint8_t length, uint8_t *buffer)"><b>HPLCC2420RAM.read</b> </a>(uint16_t addr, uint8_t length, uint8_t *buffer)<menu> Read data from CC2420 RAM <table border="0" cellpadding="0"><tr valign="top"><td><b>Returns:</b></td><td> SUCCESS if the request was accepted</td></tr></table></menu><p><li> task void <b>signalRAMWr</b>(void)<li> async command result_t <a href="#async command result_t HPLCC2420RAM.write(uint16_t addr, uint8_t length, uint8_t *buffer)"><b>HPLCC2420RAM.write</b> </a>(uint16_t addr, uint8_t length, uint8_t *buffer)<menu> Write databuffer to CC2420 RAM.</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="async command result_t HPLCC2420.enableFIFOP(void)"></a> <h4>HPLCC2420.enableFIFOP</h4> async command result_t <a href="tos.lib.CC2420Radio.HPLCC2420.nc.html#async command result_t HPLCC2420.enableFIFOP(void)"><b>HPLCC2420.enableFIFOP</b> </a>(void)<P><menu>******************************************************* function: enableFIFOP enable CC2420 fifop interruptCC2420 is configured for FIFOP interrupt on RXFIFO > Threshwhere thresh is programmed in CC2420Const.h CP_IOCFGO reg. Threshold is 127 asof 15apr04 (AlmostFull)FIFOP is asserted as long as RXFIFO>ThresholdFIFOP is active LOW******************************************************</menu><hr> <a name="async command result_t HPLCC2420RAM.write(uint16_t addr, uint8_t length, uint8_t *buffer)"></a> <h4>HPLCC2420RAM.write</h4> async command result_t <a href="tos.lib.CC2420Radio.HPLCC2420RAM.nc.html#async command result_t HPLCC2420RAM.write(uint16_t addr, uint8_t length, uint8_t *buffer)"><b>HPLCC2420RAM.write</b> </a>(uint16_t addr, uint8_t length, uint8_t *buffer)<P><menu> Write databuffer to CC2420 RAM. <table border="0" cellpadding="0"></td></tr><tr valign="top"><td><br><b>Parameters:</b></td><td><menu><p STYLE="text-indent: -1cm"><b>addr</b> - RAM Address (9 bits) </p><p STYLE="text-indent: -1cm"><b>length</b> - Nof bytes to write </p><p STYLE="text-indent: -1cm"><b>buffer</b> - Pointer to data buffer </menu></td></tr><tr valign="top"><td><b>Returns:</b></td><td> SUCCESS if the request was accepted</td></tr></table></menu>⌨️ 快捷键说明
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