nrf_dfu_transports_init() error in background dfu

[alex kim]

Hi,

I am using 

• PCA10056
• SDK 15.3.0
• Keil IDE
• The soft device is S140 
• JLinkRTTViewer for debug

I am testing background serial-dfu.(refer to https://devzone.nordicsemi.com/f/nordic-q-a/46336/bootloader-no-transport-dual-bank-dfu-and-dependencies)

I erase 52840 whole and write SoftDevice & bootloader.

I used keil debug to download the app and run.

An error occurred with the attachment.

Please advise

Alex

[Vidar Berg]

Hi Alex,

Looks like the error comes from the uart_dfu_transport_init() function in nrf_dfu_serial_uart.c. Please try to debug this function to find out what's returning the error. 

Best regards,

Vidar

[alex kim]

Hi Vidar,

1 ) It returns 0x08 from nrf_dfu_transport_init (dfu_observer).

      An error occurred with the attachment.

2) I set NRF_LOG_ENABLE to 1 in the bootloader and the application.

     The bootloader prints messages well, but the application does not print them.

     Please advise.

[Vidar Berg]

Hi,

1. What is BOOTLOADER_START_ADDR set to in your project settings? The problem is that it doesn't correspond to the actual bootloader start address.

2. This one looks better. Bank 0 looks to contain valid data and the cache is starting at bank 1.

[alex kim]

Hi Vidar,

Sorry for asking too basic questions often.

1. Where and how do I set BOOTLOADER_START_ADDR in Keil?

 <info> app: bootloader_addr_actual = E4000 bootloader_addr_expected = 26000
 00>
 00> START_ADDR to 0xE4000

 In secure_bootloader(uart), IROM1 is set to 0xE4000.

2. I get the following error message.

00> <debug> app: cache_address: 0x50000.
00>
00> <debug> app: cache_too_small: false.
00>
00> <debug> app: keep_firmware: true.
00>
00> <debug> nrf_dfu_settings: Writing settings...
00>
00> <debug> nrf_dfu_settings: Erasing old settings at: 0x000FF000
00>
00> <debug> nrf_dfu_flash: nrf_fstorage_erase(addr=0x0x000FF000, len=1 pages), queue usage: 0
00>
00> <error> app: SOFTDEVICE: INVALID MEMORY ACCESS

Best regards,

Alex

[Vidar Berg]

Hi Alex,

1. You can define the BOOTLOADER_START_ADDR symbol in options for target --> C/C++ --> Preprocessor symbols. E.g., BOOTLOADER_START_ADDR=0xE4000 if 0xe4000 is the start address of your bootloader

2. You need to use the "nrf_fstorage_sd" when the Softdevice is enabled because the nrf_fstorage_nvmc will access the NVMC registers directly. This is why you get the invalid memory access assertion.

[alex kim]

Hi Vidar,

Thank you for your kind reply every time.
I'm using secure_bootloader \ pca10056_uart_debug.
a nrf_fstorage_nvme.c is used for secure_bootloader.
a nrf_fstorage_sd.c is used for background dfu by using ble.
I'm not sure if "SOFTDEVICE: INVALID MEMORY ACCESS" is occurring.

[Vidar Berg]

Hi Alex,

The screenshot in your previous response shows that p_fs->p_api was set to "nrf_fstorage_nvmc" when you got the assertion. Please double-check this.

[alex kim]

Hi Vidar,

Please double-check this.

No Links Linked to This.

[Vidar Berg]

Hi Alex,

Are you still getting the Softdevice assertion when you perform background DFU? I meant to ask if you could double-check if the Softdevice backend is indeed used because the screenshot you posted earlier shows it's not.

[alex kim]

Hi Vidar,

yes, i still getting the Softdevice assertion.

[Vidar Berg]

Hi Alex,

Here is the screenshot I've been referring to:

[alex kim]

Hi Vidar,

The device has both central and peripheral functions.

1. I added "BLE_STACK_SUPPORT_REQD" to the preprocessor in keil.

   Is it correct ?

2.  Below is the prepocessor in Keil that is currently configured.

    Please check for any missing parts.

   "DEBUG BOOTLOADER_START_ADDR=0xE4000 BLE_STACK_SUPPORT_REQD

   BOARD_PCA10056 CONFIG_GPIO_AS_PINRESET FLOAT_ABI_HARD NRF52840_XXAA

   NRF_SD_BLE_API_VERSION=6 S140 SOFTDEVICE_PRESENT SWI_DISABLE0

   NRF_DFU_SETTINGS_VERSION=1  __HEAP_SIZE=0 __STACK_SIZE=8192"

3. The following error occurred

    nrf_dfu_flash: nrf_fstorage_write() failed with error 0x4.

   I attached a log file.

Fullscreen log-200228.txt Download

00> <info> app: Initializing fds...
00> 
00> <info> app: Reading flash usage statistics...
00> 
00> <info> app: Found 1 valid records.
00> 
00> <info> app: Found 0 dirty records (ready to be garbage collected).
00> 
00> <info> app: Setup Config file found, updating boot count to 91.
00> 
00> <info> app: Load Config file found, updating boot count to 92.
00> 
00> <info> app: Reset Config file found, updating boot count to 92.
00> 
00> <info> app: bootloader_addr_actual = E4000 bootloader_addr_expected = E4000
00> 
00> ge.
00> 
00> source, write not needed. Skipping.
00> 
00> <info> nrf_dfu_serial: nrf_dfu_serial_on_packet_received
00> 
00> <debug> nrf_dfu_serial: Received ping 1
00> 
00> <info> nrf_dfu_serial_uart: Allocated buffer 2000CBF8
00> 
00> <debug> nrf_dfu_req_handler: Handle NRF_DFU_OP_PING
00> 
00> <debug> nrf_dfu_req_handler: Request handling complete. Result: 0x1
00> 
00> <debug> nrf_dfu_serial: Sending Response: [0x9, 0x1]
00> 
00> <info> nrf_dfu_serial: nrf_dfu_serial_on_packet_received
00> 
00> <debug> nrf_dfu_serial: Set receipt notif target: 0
00> 
00> <info> nrf_dfu_serial_uart: Allocated buffer 2000CBF8
00> 
00> 
00> 
00> <info> nrf_dfu_serial: nrf_dfu_serial_on_packet_received
00> 
00> <debug> nrf_dfu_serial: Received serial mtu
00> 
00> <info> nrf_dfu_serial_uart: Allocated buffer 2000CBF8
00> 
00> <debug> nrf_dfu_req_handler: Handle NRF_DFU_OP_MTU_GET
00> 
00> <debug> nrf_dfu_req_handler: Request handling complete. Result: 0x1
00> 
00> <debug> nrf_dfu_serial: Sending Response: [0x7, 0x1]
00> 
00> <info> nrf_dfu_serial: nrf_dfu_serial_on_packet_received
00> 
00> <info> nrf_dfu_serial_uart: Allocated buffer 2000CBF8
00> 
00> mmand)
00> 
00> <debug> nrf_dfu_req_handler: Request handling complete. Result: 0x1
00> 
00> <debug> nrf_dfu_serial: Sending Response: [0x6, 0x1]
00> 
00> <info> nrf_dfu_serial: nrf_dfu_serial_on_packet_received
00> 
00> <info> nrf_dfu_serial_uart: Allocated buffer 2000CBF8
00> 
00> <debug> nrf_dfu_req_handler: Handle NRF_DFU_OP_OBJECT_EXECUTE (command)
00> 
00> <debug> nrf_dfu_settings: Destination settings are identical to .
00> 
00> <info> nrf_dfu_serial: nrf_dfu_serial_on_packet_received
00> 
00> <info> nrf_dfu_serial_uart: Allocated buffer 2000CBF8
00> 
00> <debug> nrf_dfu_req_handler: Handle NRF_DFU_OP_OBJECT_SELECT (data)
00> 
00> <debug> nrf_dfu_req_handler: crc = 0x0, offset = 0x0, max_size = 0x1000
00> 
00> <debug> nrf_dfu_req_handler: Request handling complete. Result: 0x1
00> 
00> <debug> nrf_dfu_serial: Sending Response: [0x6, 0x1]
00> 
00> <info> nrf_dfu_serial: nrf_dfu_serial_on_packet_received
00> 
00> <info> nrf_dfu_serial_uart: Allocated buffer 2000CBF8
00> 
00> ta)
00> 
00> 0x1
00> 
00> <info> nrf_dfu_serial: nrf_dfu_serial_on_packet_received
00> 
00> <info> nrf_dfu_serial_uart: Allocated buffer 2000CC7C
00> 
00> <debug> nrf_dfu_req_handler: Handle NRF_DFU_OP_OBJECT_WRITE (data)
00> 
00> <debug> nrf_dfu_flash: nrf_fstorage_write(addr=0x00050000, src=0x2000CBFC, len=64 bytes), queue usage: 1
00> 
00> <debug> nrf_dfu_req_handler: Request handling complete. Result: 0x1
00> 
00> <info> nrf_dfu_serial: nrf_dfu_serial_on_packet_received
00> 
00> <info> nrf_dfu_serial_uart: Allocated buffer 2000CD00
00> 
00> <debug> nrf_dfu_req_handler: Handle NRF_DFU_OP_OBJECT_WRITE (data)
00> 
00> <debug> nrf_dfu_flash: nrf_fstorage_write(addr=0x00050040, src=0x2000CC80, len=64 bytes), queue usage: 2
00> 
00> <debug> nrf_dfu_req_handler: Request handling complete. Result: 0x1
00> 
00> <info> nrf_dfu_serial: nrf_dfu_serial_on_packet_received
00> 
00> <info> nrf_dfu_serial_uart: Allocated buffer 2000CD84
00> 
00> a)
00> 
00> x2000CD04, len=64 bytes), queue usage: 3
00> 
00> <debug> nrf_dfu_req_handler: Request handling complete. Result: 0x1
00> 
00> <info> nrf_dfu_serial: nrf_dfu_serial_on_packet_received
00> 
00> <info> nrf_dfu_serial_uart: Allocated buffer 2000CE08
00> 
00> <debug> nrf_dfu_req_handler: Handle NRF_DFU_OP_OBJECT_WRITE (data)
00> 
00> <debug> nrf_dfu_flash: nrf_fstorage_write(addr=0x000500C0, src=0x2000CD88, len=64 bytes), queue usage: 4
00> 
00> <warning> nrf_dfu_flash: nrf_fstorage_write() failed with error 0x4.
00> 
00> 0x1
00> 
00> <info> nrf_dfu_serial: nrf_dfu_serial_on_packet_received
00> 
00> <info> nrf_dfu_serial_uart: Allocated buffer 2000CD84
00> 
00> <debug> nrf_dfu_req_handler: Handle NRF_DFU_OP_OBJECT_WRITE (data)
00> 
00> <debug> nrf_dfu_flash: nrf_fstorage_write(addr=0x000500C0, src=0x2000CE0C, len=64 bytes), queue usage: 4
00> 
00> <warning> nrf_dfu_flash: nrf_fstorage_write() failed with error 0x4.
00> 
00> <debug> nrf_dfu_req_handler: Request handling complete. Result: 0x1
00> 
00> <info> nrf_dfu_serial: nrf_dfu_serial_on_packet_received
00> 
00> <info> nrf_dfu_serial_uart: Allocated buffer 2000CE08
00> 
00> <debug> nrf_dfu_req_handler: Handle NRF_DFU_OP_OBJECT_WRITE (data)
00> 
00> <debug> nrf_dfu_flash: nrf_fstorage_write(addr=0x000500C0, src=0x2000CD88, len=64 bytes), queue usage: 4
00> 
00> <warning> nrf_dfu_flash: nrf_fstorage_write() failed with error 0x4.
00> 
00> <debug> nrf_dfu_req_handler: Request handling complete. Result: 0x1
00> 
00> <info> nrf_dfu_serial: nrf_dfu_serial_on_packet_received
00> 
00> a)
00> 
00> x2000CE0C, len=64 bytes), queue usage: 4
00> 
00> <warning> nrf_dfu_flash: nrf_fstorage_write() failed with error 0x4.
00> 
00> <debug> nrf_dfu_req_handler: Request handling complete. Result: 0x1
00> 
00> <info> nrf_dfu_serial: nrf_dfu_serial_on_packet_received
00> 
00> <info> nrf_dfu_serial_uart: Allocated buffer 2000CE08
00> 
00> <debug> nrf_dfu_req_handler: Handle NRF_DFU_OP_OBJECT_WRITE (data)
00> 
00> <debug> nrf_dfu_flash: nrf_fstorage_write(addr=0x000500C0, src=0x2000CD88, len=64 bytes), queue usage: 4
00> 
00> 0x4.
00> 
00> 0x1
00> 
00> <debug> nrf_dfu_flash: Flash erase success: addr=0x00050000, pending 3
00> 
00> <debug> nrf_dfu_flash: Flash write success: addr=0x00050000, pending 2
00> 
00> <debug> nrf_dfu_flash: Flash write success: addr=0x00050040, pending 1
00> 
00> <debug> nrf_dfu_flash: Flash write success: addr=0x00050080, pending 0
00> 
00> <info> app: Fast advertising.
00> 

4276.sdk_config.h

4. I added to nrf_dfu_serial_on_packet_received () as below and the background download succeeded.

   What changes should I make to make background download qualitatively without flash pending?

void nrf_dfu_serial_on_packet_received(nrf_dfu_serial_t * p_transport,
   uint8_t const * p_data,
   uint32_t length)
{

 ...

switch (request.request)
{

...

   case NRF_DFU_OP_OBJECT_SELECT:
   {
      nrf_sdh_disable_request();  <===  0302 add
      request.select.object_type = p_payload[0];
   } break;

 }

}

Best regards,

Alex