标签天线fin时间计算疑问

蓝点无限

imagine 发表于 2020-5-13 19:44
8位哪里可以看到？

1. /*! ------------------------------------------------------------------------------------------------------------------
   
2. * @fn dwt_setdelayedtrxtime()
   
3. *
   
4. * @brief This API function configures the delayed transmit time or the delayed RX on time
   
5. *
   
6. * input parameters
   
7. * @param starttime - the TX/RX start time (the 32 bits should be the high 32 bits of the system time at which to send the message,
   
8. * or at which to turn on the receiver)
   
9. *
   
10. * output parameters none
    
11. *
    
12. * no return value
    
13. */
    
14. void dwt_setdelayedtrxtime(uint32 starttime)
    
15. {
    
16.     dwt_write32bitoffsetreg(DX_TIME_ID, 1, starttime) ;
    
17. 
    
18. } // end dwt_setdelayedtrxtime()
    

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delayed tx是匹配时钟高32bit。因为时钟低9bit是无效的


也就是delayed tx，定时发送时间，是一个"整数"
但是这个是芯片发送出去的时间，我要打包进去的是一个实际从模块出来的时间，所以又要加个天线延时进去

蓝点无限

imagine 发表于 2020-5-14 11:16
感谢  蓝点哥