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5515 c55_csl_3.07 低功耗例程无法被唤醒

你好,

跑例程 C:\ti\c55_lp\c55_csl_3.07\ccs_v6.x_examples\power\CSL_PowerManagement_IDLE3_Example 在 EVM5515板上,我发现CPU无法被alarm rtc唤醒。这个例程本意是设置一个8s后产生中断的alarm,然后将cpu置于IDLE3的状态,8s后被alarm唤醒然后继续往下执行剩下的程序。但是从打印中,我们看出,alarm已经正常产生中断,CPU确没有被唤醒。打印如下:

CSL RTC TESTS

This test demonstrates RTC ALARM interrupt generation capability
RTC_setCallback Successful
RTC_config Successful
RTC_getConfig Successful
RTC_setTime Successful
RTC_setDate Successful
RTC_setAlarm Successful
RTC_eventEnable for ALARM EVENT Successful

Starting the RTC..alarm will be produced on 12:12:30:0512, 3-12-13 ....Have a sleep

Current Time and Date is : 12:12:12:0122, 03-12-13

Disabling USB Clk domain

Disabling Clk to all preipherals except Sysclk to clk generator

RTC Alarm Interrupt has been generated

Sysclk and PLL turned back ON