CC2640R2F: CC2640R2f 射频tx与rx

在main函数中开启了两个线程，txThread和rxThread，当发出一个数据包后，进入rx线程等待数据包，收到数据包后进入tx线程，当再次进入tx线程RF_runCmd发数据包时，无法执行命令，请问每次使用完RF_runCmd函数后，是否需要关闭RF驱动，如下三个函数都有什么区别吗？

RF_yield(rfHandle);

RF_close(rfHandle);

RF_cancelCmd(rfHandle, ch, 0);

Kevin Qiu1：

user6446631 说：请问每次使用完RF_runCmd函数后，是否需要关闭RF驱动

没有要求每次都要关闭

区别查看下面的注释说明

/***@briefSignal that radio client is not going to issue more commands in a while. <br>**Hint to RF driver that, irrespective of inactivity timeout, no new further*commands will be issued for a while and thus the radio can be powered down at*the earliest convenience. In case the RF_yield() is called within a callback,*the callback will need to finish and return before the power down sequence is*initiated. Posting new commands to the queue will cancel any pending RF_yield()*request. <br>**@note Calling context : Task**@param hHandle previously returned by RF_open()*/
extern void RF_yield(RF_Handle h);/***@briefClose client connection to RF driver**Allows a RF client (high-level driver or application) to close its connection*to the RF driver.*RF_close pends on all commands in the command queue before closing the connection.*If a client has access to the radio by using RF_RequestAccess API, and the same client calls RF_close,*then the connection to the RF driver is closed immediately without waiting for the access duration to be over.**@note Calling context : Task**@param hHandle previously returned by RF_open()*/
extern void RF_close(RF_Handle h);
***@briefAbort/stop/cancel single command in command queue.**If command is running, aborts/stops it and posts callback for the*aborted/stopped command. <br>*If command has not yet run, cancels it it and posts callback for the*canceled command. <br>*If command has already run or been aborted/stopped/canceled, has no effect.<br>*If RF_cancelCmd is called from a Swi context with same or higher priority*than RF Driver Swi, when the RF core is powered OFF -> the cancel callback will be delayed*until the next power-up cycle.<br>**@note Calling context : Task/SWI**@param hHandle previously returned by RF_open()*@param chCommand handle previously returned by RF_postCmd().*@param mode1: Stop gracefully, 0: abort abruptly*@returnRF_Stat indicates if command was successfully completed*/
extern RF_Stat RF_cancelCmd(RF_Handle h, RF_CmdHandle ch, uint8_t mode);