调C2000的launchpad遇到一点问题，关于CPU TIMER的，在函数库中有个TIMER_reload（）函数。。。

你好，Shunli

F28xx系列的Timer都是在完成一整个计数周期之后，才会重新对新的初始值进行载入，这是芯片本身决定的。

想请教一下，你所提到的TIMER_reload()这个函数的定义是在哪里？

timer.c中的TIMER_reload()函数中写：

// clear the bits
timer->TCR &= (~(uint32_t)TIMER_TCR_TRB_BITS);

TRB：

CPU-Timer Reload bit.
0 The TRB bit is always read as zero. Writes of 0 are ignored.
1 When you write a 1 to TRB, the TIMH:TIM is loaded with the value in the PRDH:PRD,
and the prescaler counter (PSCH:PSC) is loaded with the value in the timer dividedown
register (TDDRH:TDDR).

置一才reload，所以例程函数写错了。

Yes.

TIMER_reload in /f2802x_common/source/timer.c clear the TRB bit instead of setting it.
Replace: timer->TCR &= (~(uint32_t)TIMER_TCR_TRB_BITS);
With: timer->TCR |= TIMER_TCR_TRB_BITS;

Have report the bug.

-Eric