演示的工程是 [application]    nRF51_SDK_10.0.0_dc26b5e\examples\ble_peripheral\ble_app_hrs\pca10028\s110_with_dfu [bootload]      nRF51_SDK_10.0.0_dc26b5e\examples\dfu\bootloader\pca10028\dual_bank_ble_s110 [softdevice]    nRF51_SDK_10.0.0_dc26b5e\componen…