board: nRF52832_xxac_s132 nordic / SDK 11 While you try to add DFU  OTA service and flash softdevice, application ,and bootloader to your nRF52 (by nRFgo or command line tools),  you might see its

一、 使用MDK中的cmsis_os接口，需要查看以下代码是否被启用 /*Setup SVC to reset value.*/__STATIC_INLINE void SVC_Setup(void){#if (__ARM_ARCH_7A__ == 0U)/* Service Call interrupt might be configured before kernel start