📄 tos.interfaces.timer.nc.html
字号:
<html><head><title>Interface: Timer</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.interfaces.Timer.nc.source">tos.interfaces.Timer.nc</a></b></font></td></tr></table><hr><h1 align="center">Interface: Timer</h1><p> This interface provides a generic timer that can be used to generate events at regular intervals. <table border="0" cellpadding="0"><tr valign="top"><td><b>Author:</b><td> Su Ping </td></tr><tr valign="top"><td> </td><td> Sam Madden </td></tr><tr valign="top"><td> </td><td> David Gay </td></tr><tr valign="top"><td><b>Modified:</b><td> 7/16/02</td></tr></table><p><dl><dt>Components providing this interface:<dd> <a href="tos.system.TimerC.nc.html">tos.system.TimerC</a><br> <a href="tos.system.TimerM.nc.html">tos.system.TimerM</a><br></dl><p><dl><dt>Components requiring this interface:<dd> <a href="apps.Oscilloscope.OscilloscopeM.nc.html">apps.Oscilloscope.OscilloscopeM</a><br> <a href="apps.Sense.SenseM.nc.html">apps.Sense.SenseM</a><br> <a href="apps.Userfuc.M2MFuncM.nc.html">apps.Userfuc.M2MFuncM</a><br> <a href="apps.last.M2MFuncM.nc.html">apps.last.M2MFuncM</a><br> <a href="apps.last.MultihopM.nc.html">apps.last.MultihopM</a><br> <a href="apps.last.TopologyM.nc.html">apps.last.TopologyM</a><br> <a href="apps.newtopo.M2MFuncM.nc.html">apps.newtopo.M2MFuncM</a><br> <a href="apps.newtopo.MultihopM.nc.html">apps.newtopo.MultihopM</a><br> <a href="apps.newtopo.TopologyM.nc.html">apps.newtopo.TopologyM</a><br> <a href="apps.surge.SurgeM.nc.html">apps.surge.SurgeM</a><br> <a href="apps.topo.M2MFuncM.nc.html">apps.topo.M2MFuncM</a><br> <a href="apps.topo.MultihopM.nc.html">apps.topo.MultihopM</a><br> <a href="tos.lib.Counters.SenseToInt.nc.html">tos.lib.Counters.SenseToInt</a><br> <a href="tos.lib.Route.MultiHopLEPSM.nc.html">tos.lib.Route.MultiHopLEPSM</a><br> <a href="tos.platform.mica2.ADCREFM.nc.html">tos.platform.mica2.ADCREFM</a><br> <a href="tos.sensorboards.micasb.PhotoTempM.nc.html">tos.sensorboards.micasb.PhotoTempM</a><br> <a href="tos.system.AMPromiscuous.nc.html">tos.system.AMPromiscuous</a><br> <a href="tos.system.AMStandard.nc.html">tos.system.AMStandard</a><br></dl><p><table BORDER="1" CELLPADDING="3" CELLSPACING="0" WIDTH="100%"><tr BGCOLOR="#CCCCFF"><td><h3>Commands</h3></td></tr></table><ul><li> result_t <a href="# result_t start(char type, uint32_t interval)"><b>start</b> </a>(char type, uint32_t interval)<menu> Start the timer. </menu><p><li> result_t <a href="# result_t stop(void)"><b>stop</b> </a>(void)<menu> Stop the timer, preventing it from firing again.</menu><p></ul><table BORDER="1" CELLPADDING="3" CELLSPACING="0" WIDTH="100%"><tr BGCOLOR="#CCCCFF"><td><h3>Events</h3></td></tr></table><ul><li> result_t <b>fired</b>(void)<menu> The signal generated by the timer when it fires.</menu><p></ul><table BORDER="1" CELLPADDING="3" CELLSPACING="0" WIDTH="100%"><tr BGCOLOR="#CCCCFF"><td><h3>Commands - Details</h3></td></tr></table> <a name=" result_t start(char type, uint32_t interval)"></a> <h4>start</h4> result_t <b>start</b>(char type, uint32_t interval)<P><menu> Start the timer. <table border="0" cellpadding="0"></td></tr><tr valign="top"><td><br><b>Parameters:</b></td><td><menu><p STYLE="text-indent: -1cm"><b>type</b> - The type of timer to start. Valid values include 'TIMER_REPEAT' for a timer that fires repeatedly, or 'TIMER_ONE_SHOT' for a timer that fires once. </p><p STYLE="text-indent: -1cm"><b>interval</b> - The timer interval in <b>binary milliseconds</b> (1/1024 second). Note that the timer cannot support an arbitrary range of intervals. (Unfortunately this interface does not specify the valid range of timer intervals, which are specific to a platform.) </menu></td></tr><tr valign="top"><td><b>Returns:</b></td><td> Returns SUCCESS if the timer could be started with the given type and interval. Returns FAIL if the type is not one of TIMER_REPEAT or TIMER_ONE_SHOT, if the timer rate is too high, or if there are too many timers currently active.</td></tr></table></menu><hr> <a name=" result_t stop(void)"></a> <h4>stop</h4> result_t <b>stop</b>(void)<P><menu> Stop the timer, preventing it from firing again. If this is a TIMER_ONE_SHOT timer and it has not fired yet, prevents it from firing. <table border="0" cellpadding="0"><tr valign="top"><td><b>Returns:</b></td><td> SUCCESS if the timer could be stopped, or FAIL if the timer is not running or the timer ID is out of range.</td></tr></table></menu>⌨️ 快捷键说明
复制代码
Ctrl + C
搜索代码
Ctrl + F
全屏模式
F11
切换主题
Ctrl + Shift + D
显示快捷键
?
增大字号
Ctrl + =
减小字号
Ctrl + -