Writing programs using nRF Connect Programmer

RE: Writing programs using nRF Connect Programmer

Vidar Berg — Wed, 20 Jan 2021 14:25:22 GMT

Yes, but the NETIMPRESS programmer should only write to 0x10001014 when it's programming the bootloader.

RE: Writing programs using nRF Connect Programmer

komuro — Wed, 20 Jan 2021 14:23:07 GMT

Hi,

As for the HEX file I wrote, the bootloader is implemented and the address of the boot (0x0003C000) is also set to 0x10001014.
Therefore, I believe it is correct that NETIMPRESS works (because the address of boot is written to 0x10001014).

nRFconnect works even without boot. I think this behavior is special, why is this?

RE: Writing programs using nRF Connect Programmer

Vidar Berg — Wed, 20 Jan 2021 13:59:04 GMT

Hi,

The boot address shall only be written when you program the bootloader hex. So the question is why the NETIMPRESS programmer is writing the bootloader start address to 0x10001014 when it's not included in the hex file.

Maybe you have a custom programming scripts that writes this address after loading the hex files (i.e. app+sdk)?

RE: Writing programs using nRF Connect Programmer

komuro — Wed, 20 Jan 2021 13:36:01 GMT

I checked the HEX file.
We have confirmed that the HEX file we wrote sets the boot address (0x0003C000) to 0x10001014.
The following is the setting location.
-----
:02000000041000EA
:0410140000C0030015

In addition, we have additionally confirmed the following
Two patterns of writing (nRFconnect and NETIMPRESS) were performed, and the HEX files were compared by reading each pattern.
As a result of comparison, the following differences were found between nRFconnect and NETIMPRESS.

The following is an excerpt from the read results of nRFconnect.
-----
:020000041000EA
:10100000FFFFFFFFFFFFFFFF00FFFFFFFFFFFFFFEF
:10101000FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFE0

The following is an excerpt from the read results of NETIMPRESS.
-----
:020000041000EA
:1010000000800100FFFFFFFF00FFFFFFFFFFFFFF6A
:10101000FFFFFFFF00C00300FFFFFFFFFFFFFFFF19

Checking the above, I am still back to my initial question.
I see that NETIMPRESS has the boot address set and works.
In nRFconnect, the boot address is not set to 0x10001014.
Why does it work?

RE: Writing programs using nRF Connect Programmer

Vidar Berg — Wed, 13 Jan 2021 08:47:47 GMT

The question is if the "NETIMPRESS" programmer is writing to the NRF_UICR->BOOTLOADERADDR register at 0x10001014 when they are programming the app + sd.

RE: Writing programs using nRF Connect Programmer

komuro — Tue, 12 Jan 2021 16:01:23 GMT

Thanks for confirming.

Set "sd_softdevice_vector_table_base_set(NRF_UICR->BOOTLOADERADDR)" in "bootloader_start()" of dfu_app_handler.c.
"bootloader_start()" is not set at startup, but is it called from within the library at startup?
Does "nRF Connect Programmer" work properly unlike "Another Tool" because of the above settings?

RE: Writing programs using nRF Connect Programmer

Vidar Berg — Tue, 12 Jan 2021 10:20:22 GMT

Ok, so if I've understood this correctly, the device works ok if you don't program the bootloader, right? If so, is it possible that they may still be writing the bootloader address to the UICR @ 0x10001014 even if the bootloader is not present?

The master boot record will assume that a bootloader is present if this register is set as explained here: Bootloader

RE: Writing programs using nRF Connect Programmer

komuro — Fri, 08 Jan 2021 16:12:48 GMT

[quote userid="4240" url="~/f/nordic-q-a/69914/writing-programs-using-nrf-connect-programmer/287407#287407"]What other tools do you use for programming? [/quote]

It was confirmed.
NETIMPRESS AF430 is used for writing.
SWD Adapter AZ442 is also used.

RE: Writing programs using nRF Connect Programmer

komuro — Tue, 05 Jan 2021 14:58:22 GMT

Thank you for your confirmation.
The other tool was confirmed by another company, so we don't know what they were using (we'll add it as soon as we know).
The following is a summary of the situation.

	app + sdk + boot	app + sdk
nRF Connect Programmer	OK	OK
Another Tool	OK	NG

RE: Writing programs using nRF Connect Programmer

Vidar Berg — Tue, 05 Jan 2021 07:52:06 GMT

I think I misunderstood your question, I thought the problem was that program execution didn't start (boot) after loading the FW from Keil. What other tools do you use for programming?

RE: Writing programs using nRF Connect Programmer

komuro — Mon, 04 Jan 2021 08:11:36 GMT

Thank you for confirming.
In the debugger settings, the "Reset and Run" checkbox was checked.
Is this check related to the fact that it works with nRF Connect Programmer and does not work with tools other than nRF Connect Programmer?

RE: Writing programs using nRF Connect Programmer

Vidar Berg — Mon, 28 Dec 2020 14:09:09 GMT

Hello,

Please check if the "Reset and Run" checbox is ticked in your debugger settings.