初始时加入syscntl_load_debugger_cfg();
表示可以重复Jlink连接调试仿真
utilities\secondary_bootloader\includes\bootloader.h
/************** 2-wire UART support **************/
#define UART_SUPPORTED
/************** 1-wire UART support ************/
#if defined (DA14531)
#define ONE_WIRE_UART_SUPPORTED
#endif
utilities\secondary_bootloader\includes\da1458x_config_basic.h打开以下定义宏
#define CFG_SPI_FLASH_EXTENSIONS
#undef CFG_SPI_DMA_SUPPORT
utilit