peripheral_hids_mouse example error in nRF Connect SDK

Question

test board: . rf\samples\bluetooth\peripheral_hids_mouse\ on nrf51_pca10028 board. error info: assert: '!radio_is_ready()' failed E: ***** HARD FAULT ***** E: ARCH_EXCEPT with reason 3 E: r0/a1: 0x00000003 r1/a2: 0x00000023 r2/a3: 0x40001000 E: r3/a4: 0x0001316f r12/ip: 0x0000000a r14/lr: 0x0000253f E: xpsr: 0x21000011 E: Faulting instruction address (r15/pc): 0x00013174 E: >>> ZEPHYR FATAL ERROR 3: Kernel oops on CPU 0 E: Fault during interrupt handling version: ~/ncs/nrf$ git log commit 0f9ab8f8a62e92749022ae98baf739ca632c0ddf (HEAD -> master, origin/master) Author: Ulf Magnusson Date: Sat Dec 21 05:17:51 2019 +0100 doc: Fix pylint warnings that fail CI pylint warnings now cause failures in CI. Fix some bad indentation, a bare 'except:' ('except Exception:' avoids catching Ctrl-C and the like), and suppress an unused-variable warning about a 'tags' variable that gets created by Sphinx. Signed-off-by: Ulf Magnusson build: west build -d build_ble_hid_test -b nrf51_pca10028 . rf\samples\bluetooth\peripheral_hids_mouse\ Serial output: *** Booting Zephyr OS build v2.0.99-ncs1-rc1-1160-gf2d732b7fa5d *** Starting Bluetooth Peripheral HIDS mouse example I: 8 Sectors of 1024 bytes I: alloc wra: 0, 3a0 I: data wra: 0, 67 I: HW Platform: Nordic Semiconductor (0x0002) I: HW Variant: nRF51x (0x0001) I: Firmware: Standard Bluetooth controller (0x00) Version 2.1 Build 0 I: No ID address. App must call settings_load() Bluetooth initialized I: Saving ID I: Identity: d6:f6:55:1d:ee:0f (random) I: HCI: version 5.1 (0x0a) revision 0x0000, manufacturer 0x05f1 I: LMP: version 5.1 (0x0a) subver 0xffff Regular advertising started Connected 43:6a:4a:a5:3f:dc (random) Regular advertising started Disconnected from 43:6a:4a:a5:3f:dc (random) (reason 19) Regular advertising started Connected 43:6a:4a:a5:3f:dc (random) Regular advertising started Passkey for 43:6a:4a:a5:3f:dc (random): 680091 Press Button 1 to confirm, Button 2 to reject. Numeric Match, conn 0x2000051c Security changed: 43:6a:4a:a5:3f:dc (random) level 4 Pairing completed: 6c:b7:49:7c:5e:07 (public), bonded: 1 button_changed(): up button_changed(): up button_changed(): up button_changed(): up button_changed(): up button_changed(): down button_changed(): down button_changed(): down button_changed(): down button_changed(): down button_changed(): up button_changed(): up button_changed(): up button_changed(): up button_changed(): up button_changed(): up button_changed(): up button_changed(): right button_changed(): right button_changed(): up button_changed(): right button_changed(): up button_changed(): right button_changed(): up button_changed(): right button_changed(): up button_changed(): right button_changed(): right button_changed(): up button_changed(): right button_changed(): right button_changed(): right button_changed(): right button_changed(): right button_changed(): right button_changed(): right button_changed(): right button_changed(): up button_changed(): up button_changed(): up button_changed(): right button_changed(): right button_changed(): right button_changed(): right button_changed(): right button_changed(): right button_changed(): right button_changed(): right button_changed(): right button_changed(): right button_changed(): right button_changed(): right button_changed(): right button_changed(): right button_changed(): right button_changed(): right button_changed(): right button_changed(): right button_changed(): right button_changed(): right button_changed(): up button_changed(): right button_changed(): up button_changed(): right button_changed(): up button_changed(): right button_changed(): up button_changed(): right button_changed(): up button_changed(): right button_changed(): up button_changed(): right button_changed(): right button_changed(): up button_changed(): right button_changed(): up button_changed(): right button_changed(): up button_changed(): right button_changed(): right button_changed(): up button_changed(): right button_changed(): right button_changed(): up button_changed(): right button_changed(): up button_changed(): right button_changed(): up button_changed(): right button_changed(): up button_changed(): right button_changed(): up button_changed(): up button_changed(): up button_changed(): right button_changed(): up button_changed(): right button_changed(): up button_changed(): right button_changed(): up button_changed(): right button_changed(): up button_changed(): up button_changed(): right button_changed(): right button_changed(): up button_changed(): right button_changed(): up button_changed(): right button_changed(): up button_changed(): right button_changed(): up button_changed(): right button_changed(): up button_changed(): right button_changed(): right button_changed(): up assert: '!radio_is_ready()' failed E: ***** HARD FAULT ***** E: ARCH_EXCEPT with reason 3 E: r0/a1: 0x00000003 r1/a2: 0x00000023 r2/a3: 0x40001000 E: r3/a4: 0x0001316f r12/ip: 0x0000000a r14/lr: 0x0000253f E: xpsr: 0x21000011 E: Faulting instruction address (r15/pc): 0x00013174 E: >>> ZEPHYR FATAL ERROR 3: Kernel oops on CPU 0 E: Fault during interrupt handling E: Current thread: 0x20002078 (unknown) E: Resetting system *** Booting Zephyr OS build v2.0.99-ncs1-rc1-1160-gf2d732b7fa5d *** Starting Bluetooth Peripheral HIDS mouse example I: 8 Sectors of 1024 bytes I: alloc wra: 0, 378 I: data wra: 0, ec I: HW Platform: Nordic Semiconductor (0x0002) I: HW Variant: nRF51x (0x0001) I: Firmware: Standard Bluetooth controller (0x00) Version 2.1 Build 0 I: No ID address. App must call settings_load() Bluetooth initialized I: Saving ID I: Identity: d6:f6:55:1d:ee:0f (random) I: HCI: version 5.1 (0x0a) revision 0x0000, manufacturer 0x05f1 I: LMP: version 5.1 (0x0a) subver 0xffff Direct advertising to 6c:b7:49:7c:5e:07 (public) started Direct advertising to 6c:b7:49:7c:5e:07 (public) timed out Regular advertising started button_changed(): up button_changed(): right button_changed(): right Connected 6c:b7:49:7c:5e:07 (public) Advertising failed to start (err -5) Security changed: 6c:b7:49:7c:5e:07 (public) level 4