for nRF51822,it realizes the LED shining

RTC
...\JLinkLog.txt
...\JLinkSettings.ini
...\Listings
...\........\arm_startup_nrf51.lst
...\........\RTC.map
...\main.c
...\Objects
...\.......\app_error.crf
...\.......\app_error.d
...\.......\app_error.o
...\.......\app_timer.crf
...\.......\app_timer.d
...\.......\app_timer.o
...\.......\app_util_platform.crf
...\.......\app_util_platform.d
...\.......\app_util_platform.o
...\.......\arm_startup_nrf51.d
...\.......\arm_startup_nrf51.o
...\.......\main.crf
...\.......\main.d
...\.......\nrf_assert.crf
...\.......\nrf_assert.d
...\.......\nrf_assert.o
...\.......\nrf_delay.crf
...\.......\nrf_delay.d
...\.......\nrf_delay.o
...\.......\RTC.build_log.htm
...\.......\RTC.htm
...\.......\RTC.lnp
...\.......\RTC.sct
...\.......\RTC_Target 1.dep
...\.......\system_nrf51.crf
...\.......\system_nrf51.d
...\.......\system_nrf51.o
...\RTC.uvguix.lenovo
...\RTC.uvoptx
...\RTC.uvprojx
...\RTE
...\...\Device
...\...\......\nRF51822_xxAA
...\...\......\.............\arm_startup_nrf51.s
...\...\......\.............\system_nrf51.c
...\...\nRF_Libraries
...\...\.............\nRF51822_xxAA
...\...\.............\.............\app_error.c
...\...\.............\.............\app_error.h
...\...\.............\.............\app_timer.c
...\...\.............\.............\app_timer.h
...\...\.............\.............\app_util_platform.c.0000
...\...\.............\.............\nrf_assert.c
...\...\.............\.............\nrf_assert.h
...\...\RTE_Components.h

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