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CC3220 定时器如何清空计数

  我在控制程序中用了一个32位的定时器,SDK中只有Timer_getCount函数获取当前定时器的计数值,请问如何设置定时器的计数值呢?

  • 参考下这边的代码实现: e2e.ti.com/.../402787
  • 我试了一下,不行

    这是我串口输出的信息

    1_timercount is 0

    2_timercount is 211

    3_timercount is 162612

    reload

    4_timercount is 412853

    reload

    5_timercount is 663308

    程序是这个样子的

        uint32_t timercount = Timer_getCount(timer0);
        Display_printf(display,0,0,"1_timercount is %d",timercount);
        Timer_start(timer0);
        timercount = Timer_getCount(timer0);
        Display_printf(display,0,0,"2_timercount is %d",timercount);
        GPIO_setConfig(KEY, GPIO_CFG_IN_PD);
        timercount = Timer_getCount(timer0);
        Display_printf(display,0,0,"3_timercount is %d",timercount);
        Display_printf(display,0,0,"reload");
        reLoad();
        timercount = Timer_getCount(timer0);
        Display_printf(display,0,0,"4_timercount is %d",timercount);
        Display_printf(display,0,0,"reload");
        reLoad();
        timercount = Timer_getCount(timer0);
        Display_printf(display,0,0,"5_timercount is %d",timercount);

    其中reLoad()是用来清空计数的,内容如下:

    void reLoad()
    {
        TimerCC32XX_HWAttrs const *hwAttrs = timer0->hwAttrs;
        unsigned long ulInts;
        ulInts  = MAP_TimerIntStatus(hwAttrs->baseAddress,true);
        MAP_TimerIntClear(hwAttrs->baseAddress, ulInts);
    }

  • 不好意思,我重新看了一下,刚才用错了
  • 没事,解决就好