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请问:
我使用NuMaker-IoT-M487 开发板, 测试 SYS_SPDMode_Wakeup 这包sample code 然后在debug模式下执行, 并选择RTC alarm进入power down mode , 接着在UART1视窗看到 如下讯息后, 就没看到有wake up的动作, 我将程式停止后 只看到停在这行程式而已 /* Restore HIRC control register */ SYS->IRCTCTL = u32HIRCTRIMCTL; 请问这code的具体动作是如何以及怎么知道已经唤醒?谢谢!! CPU @ 192000000 Hz Power manager Power Manager Status 0x0 +-----------------------------------------------------------------+ | SPD Power-down Mode and Wake-up Sample Code | | Please Select Power Down Mode and Wake up source. | +-----------------------------------------------------------------+ |[1] SPD0 GPIO Wake-up pin(PA.0) and using rising edge wake up. | |[2] SPD0 Wake-up tiMER time-out interval is 1024 OSC10K clocks. | |[3] SPD0 Wake-up by ACMP0.(band-gap voltage) | |[4] SPD0 Wake-up by RTC Tick. | |[5] SPD0 Wake-up by RTC Alarm. | |[6] SPD0 Wake-up by RTC Tamper0(PF.6), Low level. | |[7] SPD0 Wake-up by BOD. | |[8] SPD0 Wake-up by LVR. | |[a] SPD1 GPIO Wake-up pin(PA.0) and using rising edge wake up. | | SPD1 Wake-up TIMER time-out interval is 1024 OSC10K clocks. | |[c] SPD1 Wake-up by ACMP0.(band-gap voltage) | |[d] SPD1 Wake-up by RTC Tick. | |[e] SPD1 Wake-up by RTC Alarm. | |[f] SPD1 Wake-up by RTC Tamper0(PF.6), Low level. | |[g] SPD1 Wake-up by BOD. | |[h] SPD1 Wake-up by LVR. | +-----------------------------------------------------------------+ # Set RTC current date/time: 2020/09/04 10:00:00. # Set RTC alarm date/time: 2020/09/04 10:00:59. Enter to SPD0 Power-Down mode...... |
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1个回答
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SPD模式不支持DEBUG下运行,请全速运行进行测试
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