Remote DFU: Operation Failed Error in Secure OTA

[Nilesh Bhavsar]

Hi,

I am trying to secure OTA in nrf51822 board.

For that trying to build bootloader file available in SDK 12.2.0 version at location nRF5_SDK_12.2.0_f012efa\examples\dfu\bootloader_secure\pca10028_debug\arm5_no_packs. But it is building perfectly and give me error of micro_ecc_lib_nrf51.lib file not found error.

i have already installed 4.9-2015-q3-update of the GCC compiler toolchain for ARM and put uECC.h file in external/micro-ecc/micro-ecc file.

[Nilesh Bhavsar]

Dear Sir,

Please find below nRFLogger's Log:

nRF Connect, 2017-06-02
DfuTarg (D5:2B:A9:BA:40:D1)
V	17:00:47.279	Connecting to D5:2B:A9:BA:40:D1...
D	17:00:47.279	gatt = device.connectGatt(autoConnect = false)
D	17:00:47.372	[Callback] Connection state changed with status: 0 and new state: CONNECTED (2)
I	17:00:47.372	Connected to D5:2B:A9:BA:40:D1
D	17:00:47.575	[Broadcast] Action received: android.bluetooth.device.action.ACL_CONNECTED
V	17:00:47.645	Discovering services...
D	17:00:47.645	gatt.discoverServices()
D	17:00:47.666	[Callback] Services discovered with status: 0
I	17:00:47.668	Services discovered
V	17:00:47.703	Generic Access (0x1800)
- Device Name [R W] (0x2A00)
- Appearance [R] (0x2A01)
- Peripheral Preferred Connection Parameters [R] (0x2A04)
Generic Attribute (0x1801)
Secure DFU Service (0xFE59)
- DFU Packet [WNR] (8ec90002-f315-4f60-9fb8-838830daea50)
- DFU Control Point [N W] (8ec90001-f315-4f60-9fb8-838830daea50)
   Client Characteristic Configuration (0x2902)
V	17:00:59.238	[DFU] DFU service started
V	17:00:59.238	[DFU] Opening file...
I	17:00:59.429	[DFU] Image file opened (28744 bytes in total)
D	17:00:59.429	[DFU] wait(1000)
D	17:01:00.424	[DFU] wait(1000)
V	17:01:01.469	[DFU] Connecting to DFU target...
D	17:01:01.470	[DFU] gatt = device.connectGatt(autoConnect = false)
I	17:01:01.470	[DFU] Connected to D5:2B:A9:BA:40:D1
V	17:01:01.470	[DFU] Discovering services...
D	17:01:01.470	[DFU] gatt.discoverServices()
I	17:01:01.535	[DFU] Services discovered
D	17:01:01.597	[DFU] wait(1000)
V	17:01:02.565	[DFU] Enabling notifications for 8ec90001-f315-4f60-9fb8-838830daea50
D	17:01:02.566	[DFU] gatt.setCharacteristicNotification(8ec90001-f315-4f60-9fb8-838830daea50, true)
D	17:01:02.575	[DFU] gatt.writeDescriptor(00002902-0000-1000-8000-00805f9b34fb, value=0x01-00)
I	17:01:02.613	[DFU] Data written to descr.8ec90001-f315-4f60-9fb8-838830daea50, value (0x): 01-00
V	17:01:02.613	[DFU] Notifications enabled for 8ec90001-f315-4f60-9fb8-838830daea50
A	17:01:02.613	[DFU] Notifications enabled
D	17:01:02.613	[DFU] wait(1000)
V	17:01:03.624	[DFU] Writing to characteristic 8ec90001-f315-4f60-9fb8-838830daea50
D	17:01:03.625	[DFU] gatt.writeCharacteristic(8ec90001-f315-4f60-9fb8-838830daea50)
I	17:01:03.685	[DFU] Data written to 8ec90001-f315-4f60-9fb8-838830daea50, value (0x): 06-01
I	17:01:03.685	[DFU] Notification received from 8ec90001-f315-4f60-9fb8-838830daea50, value (0x): 60-06-01-00-01-00-00-86-00-00-00-7F-2D-F2-C4
A	17:01:03.685	[DFU] Command object info received (Max size = 256, Offset = 134, CRC = C4F22D7F)
A	17:01:03.686	[DFU] Received CRC match Init packet
V	17:01:03.686	[DFU] Writing to characteristic 8ec90001-f315-4f60-9fb8-838830daea50
D	17:01:03.686	[DFU] gatt.writeCharacteristic(8ec90001-f315-4f60-9fb8-838830daea50)
I	17:01:03.727	[DFU] Data written to 8ec90001-f315-4f60-9fb8-838830daea50, value (0x): 04
I	17:01:03.727	[DFU] Notification received from 8ec90001-f315-4f60-9fb8-838830daea50, value (0x): 60-04-0A
E	17:01:03.727	[DFU] Remote DFU error: REMOTE DFU OPERATION FAILED
V	17:01:03.727	[DFU] Disconnecting...
D	17:01:03.784	[DFU] gatt.disconnect()
I	17:01:03.785	[DFU] Disconnected
D	17:01:03.785	[DFU] gatt.refresh() (hidden)
D	17:01:03.785	[DFU] gatt.close()
D	17:01:03.789	[DFU] wait(600)

Also i have no change in any IRAM setting for bootloader and example only add external flash for programming.